JP4727462B2 - Deodorant polyurethane foam and method for producing the same - Google Patents
Deodorant polyurethane foam and method for producing the same Download PDFInfo
- Publication number
- JP4727462B2 JP4727462B2 JP2006065438A JP2006065438A JP4727462B2 JP 4727462 B2 JP4727462 B2 JP 4727462B2 JP 2006065438 A JP2006065438 A JP 2006065438A JP 2006065438 A JP2006065438 A JP 2006065438A JP 4727462 B2 JP4727462 B2 JP 4727462B2
- Authority
- JP
- Japan
- Prior art keywords
- deodorant
- polyurethane foam
- polyurethane
- beads
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002781 deodorant agent Substances 0.000 title claims description 77
- 229920005830 Polyurethane Foam Polymers 0.000 title claims description 55
- 239000011496 polyurethane foam Substances 0.000 title claims description 55
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000011324 bead Substances 0.000 claims description 84
- 229920002635 polyurethane Polymers 0.000 claims description 40
- 239000004814 polyurethane Substances 0.000 claims description 40
- 239000002994 raw material Substances 0.000 claims description 40
- 229920005862 polyol Polymers 0.000 claims description 31
- 150000003077 polyols Chemical class 0.000 claims description 27
- 238000005187 foaming Methods 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 239000004088 foaming agent Substances 0.000 claims description 13
- 239000005056 polyisocyanate Substances 0.000 claims description 10
- 229920001228 polyisocyanate Polymers 0.000 claims description 10
- PFTAWBLQPZVEMU-DZGCQCFKSA-N (+)-catechin Chemical compound C1([C@H]2OC3=CC(O)=CC(O)=C3C[C@@H]2O)=CC=C(O)C(O)=C1 PFTAWBLQPZVEMU-DZGCQCFKSA-N 0.000 claims description 9
- ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 claims description 9
- 235000005487 catechin Nutrition 0.000 claims description 9
- 239000003610 charcoal Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 229950001002 cianidanol Drugs 0.000 claims description 9
- 230000020169 heat generation Effects 0.000 claims description 6
- 230000008033 biological extinction Effects 0.000 claims 1
- 239000006260 foam Substances 0.000 description 24
- 230000001877 deodorizing effect Effects 0.000 description 13
- -1 ether polyols Chemical class 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 239000003054 catalyst Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000012948 isocyanate Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 229920006248 expandable polystyrene Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920002323 Silicone foam Polymers 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000013514 silicone foam Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- KYVBNYUBXIEUFW-UHFFFAOYSA-N 1,1,3,3-tetramethylguanidine Chemical compound CN(C)C(=N)N(C)C KYVBNYUBXIEUFW-UHFFFAOYSA-N 0.000 description 1
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 1
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
- CDMDQYCEEKCBGR-UHFFFAOYSA-N 1,4-diisocyanatocyclohexane Chemical compound O=C=NC1CCC(N=C=O)CC1 CDMDQYCEEKCBGR-UHFFFAOYSA-N 0.000 description 1
- KMHSUNDEGHRBNV-UHFFFAOYSA-N 2,4-dichloropyrimidine-5-carbonitrile Chemical class ClC1=NC=C(C#N)C(Cl)=N1 KMHSUNDEGHRBNV-UHFFFAOYSA-N 0.000 description 1
- ACMIJDVJWLMBCX-PXAZEXFGSA-N 4-[(3ar,6ar)-2,3,3a,4,6,6a-hexahydro-1h-pyrrolo[2,3-c]pyrrol-5-yl]-6-fluoro-n-methyl-2-(2-methylpyrimidin-5-yl)oxy-9h-pyrimido[4,5-b]indol-8-amine Chemical compound CNC1=CC(F)=CC(C2=C(N3C[C@@H]4NCC[C@@H]4C3)N=3)=C1NC2=NC=3OC1=CN=C(C)N=C1 ACMIJDVJWLMBCX-PXAZEXFGSA-N 0.000 description 1
- HVCNXQOWACZAFN-UHFFFAOYSA-N 4-ethylmorpholine Chemical compound CCN1CCOCC1 HVCNXQOWACZAFN-UHFFFAOYSA-N 0.000 description 1
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- HDONYZHVZVCMLR-UHFFFAOYSA-N N=C=O.N=C=O.CC1CCCCC1 Chemical compound N=C=O.N=C=O.CC1CCCCC1 HDONYZHVZVCMLR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229920001870 copolymer plastic Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229940097362 cyclodextrins Drugs 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- KIQKWYUGPPFMBV-UHFFFAOYSA-N diisocyanatomethane Chemical compound O=C=NCN=C=O KIQKWYUGPPFMBV-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000004872 foam stabilizing agent Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NULJZZQMTQVLPG-UHFFFAOYSA-N n,n-dimethylmorpholin-4-amine Chemical compound CN(C)N1CCOCC1 NULJZZQMTQVLPG-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- OOCYPIXCHKROMD-UHFFFAOYSA-M phenyl(propanoyloxy)mercury Chemical compound CCC(=O)O[Hg]C1=CC=CC=C1 OOCYPIXCHKROMD-UHFFFAOYSA-M 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- WESIJKDWGUWFEP-UHFFFAOYSA-H trimagnesium;diphosphate;hydrate Chemical compound O.[Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O WESIJKDWGUWFEP-UHFFFAOYSA-H 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Description
本発明は、ポリウレタン原料の反応時の発熱で発泡した発泡性ビーズと消臭剤を含有してなる消臭性ポリウレタン発泡体とその製造方法に関する。 The present invention relates to a deodorizing polyurethane foam comprising foaming beads foamed by heat generated during reaction of a polyurethane raw material and a deodorant, and a method for producing the same.
ポリウレタン原料に発泡性ビーズを含有させて、ポリウレタン原料の反応時における発熱で発泡性ビーズを発泡させた発泡性ビーズ含有ポリウレタン発泡体が提案されている。前記発泡性ビーズ含有ポリウレタン発泡体は、通気性、吸音性、断熱性、高硬度に優れるため、自動車、電車、航空、家具等のクッション材、または建材用断熱材などに使用することができる。また、発泡性ビーズ含有ポリウレタン発泡体は、用途によっては消臭性が求められることがある。 A foamable bead-containing polyurethane foam has been proposed in which foamable beads are contained in a polyurethane raw material, and foamable beads are foamed by heat generated during the reaction of the polyurethane raw material. Since the foamed bead-containing polyurethane foam is excellent in air permeability, sound absorption, heat insulation and high hardness, it can be used as a cushioning material for automobiles, trains, aviation, furniture, etc., or a heat insulating material for building materials. In addition, the foamable bead-containing polyurethane foam may be required to have deodorizing properties depending on the application.
一方、消臭性を有する発泡性ビーズ成形品として、金属フタロシアニン誘導体からなる消臭剤の塗膜が表面に形成された発泡性ビーズを予備発泡させ、その後に型成形で賦形したものが提案されている。 On the other hand, as a foamed bead molded product having deodorizing properties, a foamed bead with a deodorant coating film made of a metal phthalocyanine derivative formed on the surface is pre-foamed and then shaped by molding Has been.
しかし、前記消臭性発泡性ビーズ成形品は、使用可能な消臭剤が金属フタロシアニン誘導体に限定されるため、消臭剤選択の余地が少なく、安価な消臭剤を用いることができない問題がある。しかも、金属フタロシアニン誘導体からなる消臭剤を発泡性ビーズの表面に塗膜として固着するため、水性アクリル樹脂または水性ウレタン樹脂からなる固着剤に金属フタロシアニン誘導体を混入した混合物を、発泡性ビーズの表面に付着させて塗膜を形成する必要があることから、工程数が増大し、コストが嵩む問題がある。さらに、前記消臭性発泡性ビーズ成形品は、通常の発泡性ビーズ成形品と同様に、隣接する発泡性ビーズ同士が密着しているため、通気性に劣っており、発泡性ビーズ成形品内に外気が侵入し難いことから、成形品内部の発泡性ビーズの表面に固着されている消臭剤による消臭効果を期待し難い問題もある。 However, since the deodorant foaming bead molded product is limited to metal phthalocyanine derivatives, there is little room for selection of the deodorant, and an inexpensive deodorant cannot be used. is there. Moreover, in order to fix the deodorant composed of a metal phthalocyanine derivative on the surface of the expandable bead as a coating film, a mixture in which the metal phthalocyanine derivative is mixed in the adhesive composed of an aqueous acrylic resin or an aqueous urethane resin is used. Therefore, there is a problem that the number of steps increases and the cost increases. Further, the deodorant expandable bead molded product is inferior in breathability because the adjacent expandable beads are in intimate contact with each other, as in the normal expandable bead molded product. Since it is difficult for outside air to enter, there is also a problem that it is difficult to expect the deodorizing effect of the deodorant fixed to the surface of the foamable beads inside the molded product.
本発明は前記の点に鑑みなされたものであって、発泡性ビーズが含有された安価な消臭性ポリウレタン発泡体とその簡易な製造方法の提供を目的とする。 This invention is made | formed in view of the said point, Comprising: It aims at provision of the cheap deodorizing polyurethane foam containing the expandable bead, and its simple manufacturing method.
請求項1の発明は、ポリウレタン発泡体に発泡性ビーズと消臭剤を含有してなる消臭性ポリウレタン発泡体であって、前記ポリウレタン発泡体が、ポリオール、ポリイソシアネート、発泡性ビーズ、減熱剤、発泡剤及び消臭剤を含むポリウレタン原料から発泡、硬化したものであり、前記発泡性ビーズが、前記ポリウレタン原料の発泡反応時の発熱によって発泡していることを特徴とする。 The invention of claim 1 is a deodorant polyurethane foam comprising a polyurethane foam containing expandable beads and a deodorant , wherein the polyurethane foam is a polyol, polyisocyanate, expandable beads, heat reduction The foamed beads are foamed and cured from a polyurethane raw material containing an agent, a foaming agent and a deodorant, and the foamable beads are foamed by heat generation during the foaming reaction of the polyurethane raw material.
請求項2の発明は、請求項1において、前記消臭剤が、カテキンと備長炭の何れか一方あるいは両方からなることを特徴とする。 The invention of claim 2 is characterized in that, in claim 1 , the deodorant comprises one or both of catechin and bincho charcoal.
請求項3の発明は、ポリオール、ポリイソシアネート、発泡性ビーズ、減熱剤、発泡剤及び消臭剤を含むポリウレタン原料を発泡、硬化させ、前記ポリウレタン原料の発泡反応時の発熱によって前記発泡性ビーズを発泡させることを特徴とする消臭性ポリウレタン発泡体の製造方法に係る。 The invention of claim 3 is to foam and cure a polyurethane raw material containing a polyol, polyisocyanate, expandable beads, a heat reducing agent, a foaming agent and a deodorant, and generate the foamable beads by heat generation during the foaming reaction of the polyurethane raw material. The present invention relates to a method for producing a deodorant polyurethane foam characterized by foaming.
請求項4の発明は、請求項3において、前記ポリウレタン原料中のポリオール100重量部に対して、前記発泡性ビーズが10〜50重量部、前記消臭剤が0.5〜5重量部であることを特徴とする。 Invention of Claim 4 is Claim 3 WHEREIN: The said foamable bead is 10-50 weight part with respect to 100 weight part of polyols in the said polyurethane raw material, and the said deodorizer is 0.5-5 weight part. It is characterized by that.
本発明の消臭性ポリウレタン発泡体によれば、消臭剤によって消臭性を発揮することができる。また、発泡性ビーズなどの原料から生じる臭気についても消臭することができるので、消臭性ポリウレタン発泡体自体を臭気の無いあるいは少ないものとすることができる。しかも、本発明の消臭性ポリウレタン発泡体によれば、ポリウレタン発泡体が有する通気性によって発泡体内部に外気を侵入させることができるため、発泡体内部の消臭剤によっても消臭効果を発揮することができる。さらに、消臭剤には、安価な汎用消臭剤であるカテキンや備長炭を用いることができるため、消臭性ポリウレタン発泡体を安価にすることができる。 According to the deodorant polyurethane foam of the present invention, the deodorant can be exhibited by the deodorant. In addition, since odors generated from raw materials such as expandable beads can be deodorized, the deodorant polyurethane foam itself can have no odor or less. Moreover, according to the deodorant polyurethane foam of the present invention, since the outside air can be infiltrated into the inside of the foam by the breathability of the polyurethane foam, the deodorizing effect is also exhibited by the deodorizer inside the foam. can do. Furthermore, since catechin and Bincho charcoal, which are inexpensive general-purpose deodorants, can be used as the deodorant, the deodorant polyurethane foam can be made inexpensive.
また、本発明の製造方法によれば、予め発泡性ビーズの表面に消臭剤と固着剤の混合物を付着させて塗膜を形成する必要が無く、しかも、発泡性ビーズを予備発泡させる必要も無いため、簡略かつ安価に消臭性ポリウレタン発泡体を製造することができる。 Further, according to the production method of the present invention, it is not necessary to previously apply a mixture of a deodorant and a fixing agent to the surface of the expandable beads to form a coating film, and it is also necessary to pre-expand the expandable beads. Therefore, the deodorant polyurethane foam can be produced simply and inexpensively.
以下本発明の実施形態を詳細に説明する。本発明における消臭性ポリウレタン発泡体はポリウレタン発泡体に発泡性ビーズと消臭剤を含有したものである。前記ポリウレタン発泡体は、ポリオール、ポリイソシアネート、発泡性ビーズ、減熱剤、発泡剤及び消臭剤を含むポリウレタン原料から発泡、硬化したものであり、前記発泡性ビーズが、前記ポリウレタン原料の発泡反応時の発熱によって発泡している。 Hereinafter, embodiments of the present invention will be described in detail. The deodorant polyurethane foam in the present invention is a polyurethane foam containing foam beads and a deodorant. The polyurethane foam is foamed and cured from a polyurethane raw material containing polyol, polyisocyanate, foamable beads, heat reducing agent, foaming agent and deodorant, and the foamable beads are subjected to a foaming reaction of the polyurethane raw material. It is foaming due to the heat generated at the time.
本発明において使用されるポリオールは、ポリウレタン発泡体に用いられる公知のエーテル系ポリオールまたはエステル系ポリオールの何れか一方又は両方を用いることができる。エーテル系ポリオールとしては、エチレングリコール、ジエチレングリコール、プロピレングリコール、ジプロピレングリコール、ブチレングリコール、ネオペンチルグリコール、グリセリン、ペンタエリスリトール、トリメチロールプロパン、ソルビトール、シュークロース等の多価アルコール、またはその多価アルコールにエチレンオキサイド、プロピレンオキサイド等のアルキレンオキサイドを付加したポリエーテルポリオールを挙げることができる。また、エステル系ポリオールとしては、マロン酸、コハク酸、アジピン酸等の脂肪族カルボン酸やフタル酸等の芳香族カルボン酸と、エチレングリコール、ジエチレングリコール、プロピレングリコール等の脂肪族グリコール等とから重縮合して得られたポリエステルポリオールを挙げることできる。 As the polyol used in the present invention, any one or both of known ether polyols and ester polyols used for polyurethane foams can be used. Examples of ether polyols include polyhydric alcohols such as ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, butylene glycol, neopentyl glycol, glycerin, pentaerythritol, trimethylolpropane, sorbitol, and sucrose, or polyhydric alcohols thereof. The polyether polyol which added alkylene oxides, such as ethylene oxide and a propylene oxide, can be mentioned. As ester polyols, polycondensation of aliphatic carboxylic acids such as malonic acid, succinic acid and adipic acid and aromatic carboxylic acids such as phthalic acid and aliphatic glycols such as ethylene glycol, diethylene glycol and propylene glycol. The polyester polyol obtained in this way can be mentioned.
ポリイソシアネートとしては、芳香族系、脂環式、脂肪族系の何れでもよく、また、1分子中に2個のイソシアネート基を有する2官能のイソシアネートであっても、あるいは1分子中に3個以上のイソシアネート基を有する3官能以上のイソシアネートであってもよく、それらを単独であるいは複数組み合わせて使用してもよい。 The polyisocyanate may be aromatic, alicyclic or aliphatic, and may be a bifunctional isocyanate having two isocyanate groups in one molecule, or three in one molecule. Trifunctional or higher isocyanates having the above isocyanate groups may be used, and these may be used alone or in combination.
例えば、2官能のイソシアネートとしては、2,4−トリレンジイソシアネート、2,6−トリレンジイソシアネート、m−フェニレンジイソシネート、p−フェニレンジイソシアネート、4,4’−ジフェニルメタンジイソシアネート、2,4’−ジフェニルメタンジアネート、2,2’−ジフェニルメタンジイソシアネート、キシリレンジイソシアネート、3,3’−ジメチル−4,4’−ビフェニレンジイソネート、3,3’−ジメトキシ−4,4’−ビフェニレンジイソシアネートなどの芳香族系のもの、シクロヘキサン−1,4−ジイソシアネート、イソホロンジイソシアネート、ジシクロヘキシルメタン−4,4’−ジイソシアネート、メチルシクロヘキサンジイソシアネートなどの脂環式のもの、ブタン−1,4−ジイソシアネート、ヘキサメチレンジイソシアネート、イソプロピレンジイソシアネート、メチレンジイソシアネート、リジンイソシアネートなどの脂肪族系のものを挙げることができる。 For example, as the bifunctional isocyanate, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, m-phenylene diisocyanate, p-phenylene diisocyanate, 4,4'-diphenylmethane diisocyanate, 2,4'- Fragrances such as diphenylmethane diate, 2,2′-diphenylmethane diisocyanate, xylylene diisocyanate, 3,3′-dimethyl-4,4′-biphenylene diisonate, 3,3′-dimethoxy-4,4′-biphenylene diisocyanate Aliphatic ones such as cyclohexane-1,4-diisocyanate, isophorone diisocyanate, dicyclohexylmethane-4,4′-diisocyanate, methylcyclohexane diisocyanate, butane-1,4-diisocyanate Over DOO, hexamethylene diisocyanate, isopropylene diisocyanate, methylene diisocyanate, there may be mentioned aliphatic, such as lysine isocyanate.
また、3官能以上のイソシアネートとしては、1−メチルベンゾール−2,4,6−トリイソシアネート、1,3,5−トリメチルベンゾール−2,4,6−トリイソシアネート、ビフェニル−2,4,4’−トリイソシアネート、ジフェニルメタン−2,4,4’−トリイソシアネート、メチルジフェニルメタン−4,6,4’−トリイソシアネート、4,4’−ジメチルジフェニルメタン−2,2’,5,5’テトライソシアネート、トリフェニルメタン−4,4’,4”−トリイソシアネート、ポリメリックMDI等を挙げることができる。なお、その他ウレタンプレポリマーも使用することができる。また、ポリイソシアネートは、それぞれ一種類に限られず一種類以上であってもよい。例えば、脂肪族系イソシアネートの一種類と芳香族系イソシアネートの二種類を併用してもよい。 Examples of the tri- or higher functional isocyanate include 1-methylbenzole-2,4,6-triisocyanate, 1,3,5-trimethylbenzole-2,4,6-triisocyanate, biphenyl-2,4,4 ′. -Triisocyanate, diphenylmethane-2,4,4'-triisocyanate, methyldiphenylmethane-4,6,4'-triisocyanate, 4,4'-dimethyldiphenylmethane-2,2 ', 5,5' tetraisocyanate, triisocyanate Examples thereof include phenylmethane-4,4 ′, 4 ″ -triisocyanate, polymeric MDI, and the like. Other urethane prepolymers can also be used. The polyisocyanate is not limited to one type, but one type. For example, one type of aliphatic isocyanate and The two types of aromatic isocyanates may be used in combination.
発泡性ビーズは、ポリウレタン原料が反応して発泡する際に発生する反応熱で発泡するものであり、消臭性ポリウレタン発泡体には発泡後の状態で分散している。前記ポリウレタン原料に配合される未発泡状態の発泡性ビーズは、発泡後の発泡性ビーズよりも粒径が小さく、ポリウレタン原料に所望の量を分散混合し易い。一般に、ビーズの成形体の製造方法では、未発泡の発泡性ビーズを予備発泡させて、粒径が1〜5mmまで球形の状態で予備発泡させ、この予備発泡させた球形の発泡性ビーズをモールド内に投入して加熱融着させることで成形体としている。しかし、予備発泡させた発泡性ビーズをポリウレタン原料に混合分散させて本発明の消臭性ポリウレタン発泡体を構成することは、予備発泡させた発泡性ビーズの粒径が大きすぎ、所望量を混合分散できないために好ましくない。 The foamable beads are foamed by reaction heat generated when the polyurethane raw material reacts and foams, and are dispersed in the deodorized polyurethane foam in a state after foaming. The unexpanded foamable beads blended in the polyurethane raw material have a smaller particle size than the foamable beads after foaming, and it is easy to disperse and mix a desired amount in the polyurethane raw material. In general, in the method of manufacturing a molded body of beads, unexpanded expandable beads are pre-expanded and pre-expanded in a spherical state to a particle size of 1 to 5 mm, and the pre-expanded spherical expandable beads are molded. It is made into a molded body by being put in and heat-sealed. However, pre-foamed expandable beads are mixed and dispersed in a polyurethane raw material to form the deodorant polyurethane foam of the present invention. The pre-expanded expandable beads have a too large particle size and a desired amount is mixed. It is not preferable because it cannot be dispersed.
発泡性ビーズの素材には、ポリカーボネート、メチルメタアクリレート、ポリエチレン/ポリプロピレン共重合体、ポリエチレン/ポリスチレン共重合体、アクリル/スチレン共重合体、ポリ尿酸等を挙げることができる。なかでも、発泡性ビーズの好ましい一例として、発泡性ポリスチレンビーズを挙げることができる。発泡性ポリスチレンビーズは、ポリスチレン又はスチレンを主体にした共重合プラスチックに発泡剤を含浸させたものからなる。発泡性ポリスチレンビーズに用いられる発泡剤としては、ペンタン、ブタン、プロパン等であって、数平均分子量が1000〜3000の高分子が好ましい。また、前記発泡性ビーズは、耐熱温度が80℃以上、発泡開始温度が150℃以下のものが好ましい。耐熱温度が80℃より低い場合、発泡性ビーズが一旦発泡した後、崩壊して収縮しやすくなる。一方、発泡開始温度が150℃より高い場合、ポリウレタン原料の発泡時の発熱で発泡性ビーズが発泡し難くなる。発泡性ビーズの量は、ポリオール100重量部に対して10〜50重量部が好ましい。発泡性ビーズの量が10重量部未満の場合、消臭性ポリウレタン発泡体の密度が低くなって硬度が低くなる。一方、50重量部を超えると、ポリウレタン原料の発泡時の発熱では発泡性ビーズの全量を発泡させる熱量を供給できなくなって、発泡性ビーズが充分に発泡(膨張)せず、消臭性ポリウレタン発泡体に含まれる発泡後の発泡性ビーズが、平均粒径の小さなものになる。 Examples of the foamable bead material include polycarbonate, methyl methacrylate, polyethylene / polypropylene copolymer, polyethylene / polystyrene copolymer, acrylic / styrene copolymer, and polyuric acid. Among these, as a preferable example of the expandable beads, expandable polystyrene beads can be exemplified. The expandable polystyrene beads are made by impregnating polystyrene or styrene-based copolymer plastic with a foaming agent. As the foaming agent used for the expandable polystyrene beads, pentane, butane, propane or the like, and a polymer having a number average molecular weight of 1000 to 3000 is preferable. The expandable beads preferably have a heat resistant temperature of 80 ° C. or higher and a foaming start temperature of 150 ° C. or lower. When the heat-resistant temperature is lower than 80 ° C., the expandable beads are once foamed and then collapse and easily contract. On the other hand, when the foaming start temperature is higher than 150 ° C., the foamable beads are difficult to foam due to the heat generated when the polyurethane raw material is foamed. The amount of expandable beads is preferably 10 to 50 parts by weight with respect to 100 parts by weight of polyol. When the amount of expandable beads is less than 10 parts by weight, the density of the deodorant polyurethane foam is lowered and the hardness is lowered. On the other hand, if it exceeds 50 parts by weight, the heat generated when the polyurethane raw material is foamed cannot supply the amount of heat for foaming all of the expandable beads, and the expandable beads do not sufficiently expand (expand) and deodorant polyurethane foam. The foamable beads after foaming contained in the body have a small average particle diameter.
減熱剤は、前記ポリウレタン原料の発泡時に発熱温度が高くなりすぎて、一旦発泡した発泡性ビーズが熱で崩壊して収縮するのを防ぐためのものであり、前記ポリウレタン原料の発泡時の発熱を抑えて最高発熱温度を下げることのできる化合物からなる。前記減熱剤としては、所定温度に達したときに水分を放出し、水の蒸発潜熱によってポリウレタン原料の発泡時の発熱温度を低下させる化合物が好ましい。前記減熱剤の具体例としては、粒状の独立気泡からなる熱可塑性樹脂発泡体の気泡内に水を有するMWパウダー(登録商標、白石カルシウム株式会社製)や無機水和物を挙げることができ、特には無機水和物が好ましい。無機水和物としては、二水石膏、硫酸マグネシウム水和物、リン酸マグネシウム水和物の群から選ばれる少なくとも一種を挙げることができる。減熱剤の量は、ポリオール100重量部に対して10〜30重量部が好ましい。10重量部未満の場合には、減熱剤による減熱効果が少なくなって、一旦発泡した発泡性ビーズがポリウレタン原料の発泡時の発熱によって収縮し易いと共に、消臭性ポリウレタン発泡体の密度が低くなって硬度も低くなる。一方、30重量部を超えると消臭性ポリウレタン発泡体が内部に空洞を有するパンクした状態の発泡不良のものになりやすい。 The heat reducing agent is for preventing the foaming beads once foamed from collapsing and contracting due to heat when the polyurethane raw material is foamed, and the heat generated during foaming of the polyurethane raw material. It consists of a compound that can suppress the maximum exothermic temperature and suppress the. As the heat reducing agent, a compound that releases water when a predetermined temperature is reached and lowers the heat generation temperature when the polyurethane raw material is foamed by the latent heat of vaporization of water is preferable. Specific examples of the heat reducing agent include MW powder (registered trademark, manufactured by Shiraishi Calcium Co., Ltd.) having water in the bubbles of a thermoplastic resin foam composed of granular closed cells and inorganic hydrate. In particular, inorganic hydrates are preferred. Examples of the inorganic hydrate include at least one selected from the group of dihydrate gypsum, magnesium sulfate hydrate, and magnesium phosphate hydrate. The amount of the heat reducing agent is preferably 10 to 30 parts by weight with respect to 100 parts by weight of the polyol. When the amount is less than 10 parts by weight, the heat reducing effect of the heat reducing agent is reduced, and the foamed beads once foamed easily contract due to heat generated when the polyurethane raw material is foamed, and the density of the deodorant polyurethane foam is low. It becomes lower and the hardness becomes lower. On the other hand, when the amount exceeds 30 parts by weight, the deodorant polyurethane foam tends to be a poorly foamed state having a puncture inside.
発泡剤は、水、ペンタン、シクロペンタン、ヘキサン、シクロヘキサン、ジクロロメタン、炭酸ガス等が用いられる。発泡剤が水の場合、添加量は消臭性ポリウレタン発泡体において目的とする密度や良好な発泡状態が得られる範囲に決定され、特にポリオール100重量部に対して3〜5重量部が好ましい。3重量部より少ないとポリウレタン発泡体が充分に発泡せず、しかもポリウレタン原料の発泡時における発熱が少なくなって発泡性ビーズが充分発泡(膨張)せず、消臭性ポリウレタン発泡体の硬度が低くなる。一方、5重量部を超えると、ポリウレタン原料の発泡時に発熱が大になって一旦発泡した発泡性ビーズが収縮し、消臭性ポリウレタン発泡体の硬度が低くなる。 As the foaming agent, water, pentane, cyclopentane, hexane, cyclohexane, dichloromethane, carbon dioxide gas, or the like is used. When the foaming agent is water, the amount added is determined within a range in which the desired density and good foamed state can be obtained in the deodorant polyurethane foam, and 3 to 5 parts by weight are particularly preferred with respect to 100 parts by weight of the polyol. When the amount is less than 3 parts by weight, the polyurethane foam does not sufficiently foam, and the heat generated during foaming of the polyurethane raw material is reduced, so that the foam beads are not sufficiently expanded (expanded), and the hardness of the deodorant polyurethane foam is low. Become. On the other hand, when the amount exceeds 5 parts by weight, heat generation becomes large when the polyurethane raw material is foamed, and the foamed beads once foamed shrink, and the hardness of the deodorant polyurethane foam is lowered.
消臭剤は、有機物、無機物の何れであってもく、また、一種類に限られず、二種類以上のものを用いてもよい。有機消臭剤としては、鉄フタロシアニン系化合物やサイクロデキストリン、さらには茶葉から抽出されるカテキンやタンニン等の植物抽出物等が挙げられる。無機消臭剤としては、亜鉛、銀、マグネシウム、鉛、スズ、銅、チタン、アルミニウム、ジルコニウム等の酸化物、リン酸塩、珪酸塩、もしくはこれらの混合物等が挙げられる。混合物の場合は、アモルファス状態で均一にされていることが望ましい。また、前記消臭剤は、多孔質物資でもよい。多孔質物質からなる消臭剤としては、ゼオライト、活性炭、活性白土、備長炭等を挙げることができる。それらの中でも備長炭は入手し易く、安価であることから、本発明の消臭剤として好ましいものである。また、カテキンは、多価フェノールの有機化合物であり、化学反応の吸着によって消臭作用を発揮するため、物理的吸着による消臭性とは異なり、温度上昇に伴う吸着物質の再放出が極めて少なく、本発明における消臭剤として特に好適である。さらに、前記消臭剤は、ポリウレタン原料中に分散し易い状態のもの、例えば粉状のものや粒状のものなどが好ましい。また、粉状の消臭剤を液体に分散させた懸濁状のものでもよい。 The deodorant may be either organic or inorganic, and is not limited to one type, and two or more types may be used. Examples of the organic deodorant include iron phthalocyanine compounds, cyclodextrins, and plant extracts such as catechin and tannin extracted from tea leaves. Examples of the inorganic deodorant include zinc, silver, magnesium, lead, tin, copper, titanium, aluminum, zirconium and other oxides, phosphates, silicates, and mixtures thereof. In the case of a mixture, it is desirable that the mixture be uniform in an amorphous state. The deodorant may be a porous material. Examples of the deodorant made of a porous material include zeolite, activated carbon, activated clay, and bincho charcoal. Among them, Bincho charcoal is easy to obtain and inexpensive, and is therefore preferable as the deodorant of the present invention. Catechin is an organic compound of polyhydric phenol that exerts a deodorizing action by adsorption of chemical reaction. Therefore, unlike the deodorizing property by physical adsorption, the re-release of the adsorbed substance due to temperature rise is extremely small. Particularly suitable as a deodorant in the present invention. Furthermore, the deodorant is preferably in a state that is easily dispersed in the polyurethane raw material, for example, powder or granular. Further, a suspension in which a powdery deodorant is dispersed in a liquid may be used.
前記消臭剤の添加量は、ポリオール100重量部に対して0.5〜5重量部が好ましい。0.5重量部より少ないと消臭効果が低くなり、一方、5重量部を超えると、ポリウレタン原料の発泡が阻害され、発泡状態の良好な消臭性ポリウレタン発泡体が得られなくなる。 The addition amount of the deodorant is preferably 0.5 to 5 parts by weight with respect to 100 parts by weight of the polyol. When the amount is less than 0.5 parts by weight, the deodorizing effect is lowered. On the other hand, when the amount exceeds 5 parts by weight, foaming of the polyurethane raw material is inhibited, and a deodorant polyurethane foam having a good foamed state cannot be obtained.
また、前記ポリウレタン原料には触媒が含まれる。触媒は、ポリウレタン発泡体用として公知のものを用いることができる。例えば、トリエチルアミン、トリエチレンジアミン、ジエタノールアミン、ジメチルアミノモルフォリン、N−エチルモルホリン、テトラメチルグアニジン等のアミン触媒や、スタナスオクトエートやジブチルチンジラウレート等の錫触媒やフェニル水銀プロピオン酸塩あるいはオクテン酸鉛等の金属触媒(有機金属触媒とも称される。)を挙げることができる。触媒の一般的な量は、ポリオール100重量部に対して0.01〜2.0重量部程度である。 The polyurethane raw material includes a catalyst. As the catalyst, a known catalyst for polyurethane foams can be used. For example, amine catalysts such as triethylamine, triethylenediamine, diethanolamine, dimethylaminomorpholine, N-ethylmorpholine, tetramethylguanidine, tin catalysts such as stannous octoate and dibutyltin dilaurate, phenylmercurypropionate or lead octenoate And metal catalysts (also referred to as organometallic catalysts). The general amount of the catalyst is about 0.01 to 2.0 parts by weight with respect to 100 parts by weight of the polyol.
さらに前記ポリウレタン原料には、適宜添加剤が含まれる。添加剤としては、整泡剤、顔料などを挙げることができる。整泡剤は、ポリウレタン発泡体に用いられるものであればよく、シリコーン系整泡剤、含フッ素化合物系整泡剤および公知の界面活性剤を挙げることができる。顔料は、求められる色に応じたものが用いられる。 Furthermore, the said polyurethane raw material contains an additive suitably. Examples of the additive include a foam stabilizer and a pigment. Any foam stabilizer may be used as long as it is used for polyurethane foams, and examples thereof include silicone foam stabilizers, fluorine-containing compound foam stabilizers, and known surfactants. As the pigment, those according to the required color are used.
前記消臭性ポリウレタン発泡体の製造は、ポリウレタン原料を調製した後、ポリウレタン原料を常温大気圧下で反応させる公知のスラブ発泡により行われるのが好ましい。具体的には、ポリオール、減熱剤、発泡剤、消臭剤、触媒、適宜の添加剤を混合した後、未発泡の発泡性ビーズを添加混合し、この混合物にポリイソシアネートを公知のポリウレタン注入機で混合して得たポリウレタン原料を、ベルトコンベア上に吐出し、ベルトコンベアが移動する間に、前記ポリウレタン原料を常温大気圧下で反応させて自然発泡させ、硬化させることで消臭性ポリウレタン発泡体を連続的に製造することができる。なお、前記消臭剤については、ポリオール原料中での分散を良好にするため、予めポリオールと混合しておくのが好ましい。 The production of the deodorant polyurethane foam is preferably carried out by known slab foaming in which a polyurethane raw material is reacted at room temperature and atmospheric pressure after preparing the polyurethane raw material. Specifically, a polyol, a heat reducing agent, a foaming agent, a deodorant, a catalyst, and appropriate additives are mixed, then unfoamed foam beads are added and mixed, and polyisocyanate is injected into this mixture by a known polyurethane. The polyurethane raw material obtained by mixing in a machine is discharged onto a belt conveyor, and while the belt conveyor moves, the polyurethane raw material reacts under normal temperature and atmospheric pressure to cause natural foaming and curing, thereby deodorizing polyurethane Foam can be produced continuously. In addition, about the said deodorizer, in order to make dispersion | distribution in a polyol raw material favorable, it is preferable to mix with a polyol previously.
以下、本発明の実施例について、比較例とともに具体的に説明する。表1〜表4に示す各成分を同表中の割合で配合してポリウレタン原料を調製し、この調製により得られたポリウレタン原料を用いてスラブ発泡させ、得られたスラブ発泡体を150×100×50mmに裁断して実施例及び比較例の消臭性ポリウレタン発泡体を得た。ポリウレタン原料の調製は、まずポリオールに、減熱剤、発泡剤、消臭剤、触媒、適宜の添加剤を混合し、その後に未発泡の発泡性ビーズを添加混合し、その混合物にポリイソシアネートを混合することにより行った。表1は消臭剤の種類及び量を変化させた場合、表2は発泡性ビーズの量を変化させた場合、表3は減熱剤の量を変化させた場合、表4は発泡剤(水)の量を変化させた場合である。 Examples of the present invention will be specifically described below together with comparative examples. A polyurethane raw material is prepared by blending the components shown in Tables 1 to 4 in the ratios in the same table, slab foamed using the polyurethane raw material obtained by this preparation, and the resulting slab foam is 150 × 100. Cut to 50 mm to obtain deodorant polyurethane foams of Examples and Comparative Examples. Preparation of the polyurethane raw material involves first mixing a polyol with a heat reducing agent, foaming agent, deodorant, catalyst, and appropriate additives, and then adding and mixing unfoamed expandable beads, and adding polyisocyanate to the mixture. This was done by mixing. Table 1 shows the case where the type and amount of the deodorant is changed, Table 2 shows the case where the amount of the expandable beads is changed, Table 3 shows the case where the amount of the heat reducing agent is changed, Table 4 shows the case where the amount of the foaming agent ( This is a case where the amount of water) is changed.
表1〜表4におけるポリオールはポリエーテルポリオール、品番:サンニックスGP3050F、MW3000、官能基数f=3、OH価=33、三洋化成工業株式会社製、消臭剤(備長炭)は、脱臭用、粉末状、協同組合ラテスト製、消臭剤(カテキン)は、粉末状、山陽色素株式会社製、減熱剤は二水石膏、アミン触媒は6−ジメチルアミノ−1−ヘキサノール、品番:カオーライザーNo.25、花王株式会社製、金属触媒はオクチル酸第一錫、品番:MRH110、城北化学工業株式会社製、整泡剤はシリコーン整泡剤、品番:F650A、信越化学工業株式会社製、発泡性ビーズは発泡性ポリスチレンビーズ、品番:NEWRS、耐熱温度120〜130℃、未発泡平均粒径0.8mm、発泡後平均粒径1.2mm、日立化成工業株式会社製、ポリイソシアネートはトリレンジイソシアネート、品番:T−80、日本ポリウレタン工業株式会社製である。 Polyols in Tables 1 to 4 are polyether polyols, product numbers: Sannix GP3050F, MW3000, functional group number f = 3, OH number = 33, manufactured by Sanyo Chemical Industries, Ltd., deodorant (Bincho charcoal), for deodorization, Powdered, manufactured by Kyodo Kyodo Latest, deodorant (catechin) is powder, manufactured by Sanyo Dye Co., Ltd. . 25, manufactured by Kao Corporation, metal catalyst is stannous octylate, product number: MRH110, manufactured by Johoku Chemical Industry Co., Ltd., foam stabilizer is silicone foam stabilizer, product number: F650A, manufactured by Shin-Etsu Chemical Co., Ltd., expandable beads Is expandable polystyrene beads, product number: NEWRS, heat-resistant temperature 120 to 130 ° C., unfoamed average particle size 0.8 mm, average particle size after foaming 1.2 mm, manufactured by Hitachi Chemical Co., Ltd., polyisocyanate is tolylene diisocyanate, product number : T-80, manufactured by Nippon Polyurethane Industry Co., Ltd.
このようにして得られた実施例及び比較例の消臭性ポリウレタン発泡体に対して発泡体の状態、発泡性ビーズの外観及び発泡性ビーズの平均粒径の測定、密度の測定(JIS K7222−2004準拠)、アンモニアに対する消臭性の測定を行った。結果は表1〜4の下部に示すとおりである。 For the deodorant polyurethane foams of Examples and Comparative Examples thus obtained, the state of the foam, the appearance of the expandable beads, the average particle diameter of the expandable beads, and the density (JIS K7222- 2004), and deodorant properties for ammonia were measured. The results are as shown at the bottom of Tables 1-4.
なお、発泡体の状態判断は、消臭性ポリウレタン発泡体を切断して内部にパンク(空洞)が有るか否かを判断することにより行った。また、表1〜表4の発泡体の状態欄において「○」はパンクが無く良好な発泡状態の場合、「パンク」は内部にパンク(空洞)が有った場合を示す。 The state of the foam was determined by cutting the deodorant polyurethane foam and determining whether or not there was a puncture (cavity) inside. Further, in the foam state column of Tables 1 to 4, “◯” indicates a case where there is no puncture and a good foamed state, and “puncture” indicates a case where puncture (cavity) is present inside.
発泡性ビーズの外観及び発泡性ビーズの平均粒径測定は、消臭性ポリウレタン発泡体を切断して発泡性ビーズの外観(大きさ及び収縮の有無)を目視で判断すると共に発泡性ビーズの平均粒径を目視で測定することにより行った。表1〜表4のビーズ外観欄における「○」は発泡性ビーズが所定の大きさである場合、「小」は小さい場合、「収縮」は一旦発泡後収縮している場合を示す。 The appearance of the expandable beads and the average particle size of the expandable beads are determined by cutting the deodorant polyurethane foam and judging the appearance (size and presence / absence of shrinkage) of the expandable beads visually and averaging the expandable beads. This was done by measuring the particle size visually. In the bead appearance column of Tables 1 to 4, “◯” indicates that the expandable bead has a predetermined size, “small” indicates a small size, and “shrinkage” indicates a case where the foaming is once contracted after expansion.
消臭性の測定は、2000mlの広口ガラス瓶に消臭性ポリウレタン発泡体の試験片(150×100×50mm)を収容し、アンモニア(2.8%水溶液、100μl)をシリンジで注入して広口ガラス瓶を密閉し、常温で24時間保持した後に広口ガラス瓶内の残留アンモニアをガラスクロマトグラフィーで測定することにより行った。なお、広口ガラス瓶に消臭性ポリウレタン発泡体の試験片を収容することなく同様にして24時間後の残留アンモニアを測定したところ100ppmであった。 The deodorizing property was measured by storing a deodorant polyurethane foam test piece (150 × 100 × 50 mm) in a 2000 ml wide-mouth glass bottle, and injecting ammonia (2.8% aqueous solution, 100 μl) with a syringe. Was kept at room temperature for 24 hours, and then the residual ammonia in the wide-mouth glass bottle was measured by glass chromatography. The residual ammonia after 24 hours was measured in the same manner without accommodating a test piece of deodorant polyurethane foam in a wide-mouth glass bottle, and it was 100 ppm.
表1の結果から、消臭剤として備長炭やカテキンをポリオール100重量部に対して0.5〜5重量部含む実施例1A〜1Dは、ポリウレタン発泡体を良好に発泡させることができ、しかも良好な消臭性が得られたのに対し、消臭剤として備長炭やカテキンをポリオール100重量部に対して0.5重量部未満含む比較例1A,1Cの場合は消臭性が低くなり、一方、5重量部を超えて含む比較例1B,1Dにあっては、ポリウレタン発泡体にパンクが発生して良好に発泡させることができないことがわかる。このことから、消臭剤の量は、ポリオール100重量部に対して0.5〜5重量部が好ましいことが理解される。 From the results of Table 1, Examples 1A to 1D containing 0.5 to 5 parts by weight of Bincho charcoal and catechin as deodorizers with respect to 100 parts by weight of polyol can foam the polyurethane foam well, and In the case of Comparative Examples 1A and 1C containing less than 0.5 parts by weight of Bincho charcoal or catechin as a deodorant with respect to 100 parts by weight of the polyol, the deodorant was lowered while good deodorant was obtained. On the other hand, in Comparative Examples 1B and 1D containing more than 5 parts by weight, it can be seen that the polyurethane foam is punctured and cannot be foamed well. From this, it is understood that the amount of the deodorant is preferably 0.5 to 5 parts by weight with respect to 100 parts by weight of the polyol.
表2の結果から、ポリオール100重量部に対して発泡性ビーズの量が10〜50重量部である実施例2A〜2Dは、発泡性ビーズの外観が良好で充分に発泡しているのに対し、発泡性ビーズが10重量部未満の比較例2Bは、消臭性ポリウレタン発泡体の密度が低くなり、一方、発泡性ビーズが50重量部を超える比較例2Aは発泡性ビーズが充分に発泡せず、発泡性ビーズの平均粒径が1.2mm未満となることがわかる。このことから、発泡性ビーズの量は、ポリオール100重量部に対して10〜50重量部が好ましいことが理解される。 From the results of Table 2, Examples 2A to 2D, in which the amount of expandable beads is 10 to 50 parts by weight with respect to 100 parts by weight of polyol, the appearance of expandable beads is good and sufficiently foamed In Comparative Example 2B, in which the expandable beads are less than 10 parts by weight, the density of the deodorant polyurethane foam is low, whereas in Comparative Example 2A, in which the expandable beads exceeds 50 parts by weight, the expandable beads are sufficiently foamed. It can be seen that the average particle size of the expandable beads is less than 1.2 mm. From this, it is understood that the amount of expandable beads is preferably 10 to 50 parts by weight with respect to 100 parts by weight of polyol.
表3の結果から、減熱剤の量が10〜30重量部の実施例3A〜3Cは、発泡体の状態及び発泡性ビーズの外観が良好であるのに対し、減熱剤が10重量部未満の比較例3Bは発泡時の発熱が高くなるため、一旦発泡した発泡性ビーズが収縮し、一方、減熱剤の量が30重量部を超える比較例3Aは発泡体が内部に空洞を有するパンク状態となることがわかる。このことから、減熱剤の量はポリオール100重量部に対して10〜30重量部が好ましいことが理解される。 From the results of Table 3, Examples 3A to 3C in which the amount of the heat reducing agent is 10 to 30 parts by weight are good in the state of the foam and the appearance of the expandable beads, whereas the amount of the heat reducing agent is 10 parts by weight. In Comparative Example 3B below, heat generation at the time of foaming is high, so that the foamed beads once foamed shrink, whereas in Comparative Example 3A in which the amount of the heat reducing agent exceeds 30 parts by weight, the foam has a cavity inside It turns out that it becomes a punk state. From this, it is understood that the amount of the heat reducing agent is preferably 10 to 30 parts by weight with respect to 100 parts by weight of the polyol.
表4の結果から、発泡剤(水)の量が3〜5重量部の実施例4A〜4Cは、発泡体の状態が良好であって発泡性ビーズの外観も良好であるのに対し、3重量部未満の比較例4Aは発泡性ビーズが充分に発泡せず、一方、5重量部を超える比較例4Bは一旦発泡した発泡性ビーズが収縮するようになり、何れの場合も発泡性ビーズの平均粒径が1.2mm未満となって発泡体の硬度を高くできないことがわかる。このことから、発泡剤(水)の量は、ポリオール100重量部に対して3〜5重量部が好ましいことが理解される。 From the results of Table 4, in Examples 4A to 4C in which the amount of the foaming agent (water) is 3 to 5 parts by weight, the foamed state is good and the appearance of the expandable beads is also good. In Comparative Example 4A having less than parts by weight, the expandable beads do not sufficiently foam, whereas in Comparative Example 4B exceeding 5 parts by weight, the once expanded foam beads are contracted. It can be seen that the average particle size is less than 1.2 mm and the hardness of the foam cannot be increased. From this, it is understood that the amount of the blowing agent (water) is preferably 3 to 5 parts by weight with respect to 100 parts by weight of the polyol.
このように、本発明の消臭性ポリウレタン発泡体は、消臭性に優れ、しかも汎用消臭剤であるカテキンや備長炭を用いることができるため、安価である。さらに、本発明の消臭性ポリウレタン発泡体は、ポリウレタン発泡体による通気性を発揮することができるため、発泡体内の消臭剤についても消臭作用を発揮させることができ、寝具、ソファ、建材、壁材統として好適なものである。また、本発明の製造方法によれば、簡単かつ安価に消臭性ポリウレタン発泡体を得ることができる。 As described above, the deodorant polyurethane foam of the present invention is excellent in deodorizing properties, and can be used at low cost because catechin and bincho charcoal, which are general-purpose deodorants, can be used. Furthermore, since the deodorant polyurethane foam of the present invention can exhibit the breathability of the polyurethane foam, the deodorant in the foam can also exert a deodorizing action, and bedding, sofas, building materials It is suitable as a wall material series. Moreover, according to the manufacturing method of this invention, a deodorant polyurethane foam can be obtained easily and cheaply.
Claims (4)
前記ポリウレタン発泡体が、ポリオール、ポリイソシアネート、発泡性ビーズ、減熱剤、発泡剤及び消臭剤を含むポリウレタン原料から発泡、硬化したものであり、
前記発泡性ビーズが、前記ポリウレタン原料の発泡反応時の発熱によって発泡していることを特徴とする消臭性ポリウレタン発泡体。 A deodorant polyurethane foam comprising a polyurethane foam containing expandable beads and a deodorant ,
The polyurethane foam is foamed and cured from a polyurethane raw material containing a polyol, polyisocyanate, expandable beads, heat reducing agent, foaming agent and deodorant,
The deodorant polyurethane foam, wherein the foamable beads are foamed by heat generation during the foaming reaction of the polyurethane raw material.
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