CN104673943B - The preparation method of environmental and ecological aluming kip - Google Patents
The preparation method of environmental and ecological aluming kip Download PDFInfo
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- CN104673943B CN104673943B CN201310622193.XA CN201310622193A CN104673943B CN 104673943 B CN104673943 B CN 104673943B CN 201310622193 A CN201310622193 A CN 201310622193A CN 104673943 B CN104673943 B CN 104673943B
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- water
- kip
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- formic acid
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 230000007613 environmental effect Effects 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 78
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 39
- 235000019253 formic acid Nutrition 0.000 claims abstract description 39
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 238000005237 degreasing agent Methods 0.000 claims abstract description 23
- 239000013527 degreasing agent Substances 0.000 claims abstract description 20
- 238000007654 immersion Methods 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 19
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 14
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 14
- 238000005238 degreasing Methods 0.000 claims abstract description 10
- 238000005554 pickling Methods 0.000 claims abstract description 10
- 239000007844 bleaching agent Substances 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 230000003647 oxidation Effects 0.000 claims abstract description 5
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 150000001450 anions Chemical class 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- 102000004190 Enzymes Human genes 0.000 claims description 10
- 108090000790 Enzymes Proteins 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 9
- 239000004280 Sodium formate Substances 0.000 claims description 8
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 claims description 8
- 235000019254 sodium formate Nutrition 0.000 claims description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001238 wet grinding Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 102000004882 Lipase Human genes 0.000 claims description 3
- 108090001060 Lipase Proteins 0.000 claims description 3
- 239000004367 Lipase Substances 0.000 claims description 3
- 206010053615 Thermal burn Diseases 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 238000009960 carding Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000009837 dry grinding Methods 0.000 claims description 3
- 239000006081 fluorescent whitening agent Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 235000019421 lipase Nutrition 0.000 claims description 3
- 230000002879 macerating effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 241000165940 Houjia Species 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 150000002192 fatty aldehydes Chemical class 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 230000033116 oxidation-reduction process Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 241001494479 Pecora Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C1/00—Chemical treatment prior to tanning
- C14C1/04—Soaking
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—Multi-step processes
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C5/00—Degreasing leather
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/614—Optical bleaching or brightening in aqueous solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a kind of preparation method of environmental and ecological aluming kip.Raw material kip is soaked first, degreasing agent and soda ash are added during immersion, passes through shaving of soaking, fleshing；It is then placed in water, adds degreasing agent and soda ash carries out soak degreasing, secondary fleshing；It is subsequently added into water and carries out secondary immersion, softening, allowances for bark fleshing；Then pickling, softening are carried out, skin is gone out after pickling and stands two days；Then tanning is carried out, skin is gone out after tanning and stands two days, edit is carried out, is subsequently added into water, and adds syntans, fatting agent, formic acid and is soaked, goes out skin and stands one day, then carry out oxidation washing, reducing bleach, finally arranged, obtain product.Aluming kip is prepared using the present invention, can reduce environmental pollution, reduce the associated maintenance expense such as waste water treatment, so as to reduce production cost；And the properties of product prepared are excellent.
Description
Technical field
The invention belongs to shearling industry processing and fabricating technical field, more particularly to a kind of environmental and ecological aluming kip
Preparation method.
Background technology
In shearling manufacturing process, tanning is essential, very important process, is not by the skin of tanning
Rawhide, it can not use；Rawhide is changed into removing from office after tanning, possesses the people such as softness, shelf-stable, water-permeable and air permeable, water-fastness institute
Need, dress ornament performance.For a long time, the making processing of shearling use chrome tanning always, this method making shearling from
Tanning processes can all cause seriously to pollute to sewage disposal to environment.In recent years, China is paid much attention to environmental protection work, greatly
Energy-conservation, emission reduction, consumption-reducing technological and product, full-scale development production environmentally friendly machine are carried out in power exploitation.And the manufacturing of chrome tanning agent
Larger pollution is also resulted in environment, is unfavorable for environmental protection.Therefore, environment protection ecological type shearling preparation method is developed to environment
Protect significant.
At present, also there is the patent literature of correlation on shearling tanning preparation method.Such as：1st, Application No.
The application for a patent for invention of the 201210351740.0th, entitled " tibet lamp ecological bating clean preparation method ", the patent producer
Method generally comprises preparation before tan, degreasing, immersion, fleshing, degreasing, immersion, softening pickling, tanning, neutralization, wet-milling oxygen are washed, stuffing,
Neutralize, go out the processes such as skin standing, arrangement.2nd, Application No. 200810182294.9, the entitled " side of making white tanned shearling
The application for a patent for invention of method ", the preparation method generally comprise the preparatory stage（Pre- immersion, the wet bur, water dumping, wet cropping, secondary scraped
The processes such as immersion, fleshing, deburring, rawhide degreasing, trine immersion, softening, pickling and standing）With the tanning stage（Including tanning, quiet
Put, press oil, spraying water, wet-milling, washing, oxidation, washing, bleaching, washing, water dumping and leaching stuffing process）.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method of environmental and ecological aluming kip.By this hair
Bright technical scheme makes aluming kip, and caused sewage, pollutant are less in manufacturing process, are advantageous to environmental protection；And this hair
The product of bright making have it is bright it is pure white, dermatotome is plentiful, frivolous soft, oxidation-reduction resistance can strong, acid and alkali-resistance, sweat proof, anti-corrosion
Property it is strong, odorless, shrinkage temperature are high, elasticity is good and Color is good the features such as.Aluming sheep is prepared by the technology of the present invention method
Lambskin can reduce environmental pollution, reduce the associated maintenance expense such as waste water treatment, so as to reduce production cost.
In order to solve the above problems, the technical scheme that the present invention takes is：
The present invention provides a kind of preparation method of environmental and ecological aluming kip, and the preparation method comprises the following steps：
A, soak：According to every chi2Kip adds the ratio of 4 liters of water, gets out normal-temperature water, and adds 0.5g/L immersions
Agent, 1.0g/L anion degreasing agent, 1.0g/L nonionics degreasing agent and 0.5g/L soda ash, it is 7.0 that its pH value is uniformly surveyed in stroke afterwards,
Skin is thrown until completely dissolved, raw material kip is then placed in and is soaked, and 10~15min of stroke, stands overnight per hour, cleaning
Once, then shaving, fleshing；
B, degreasing：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, and water temperature risen into 35~38 DEG C, and
1.5~2g/L anion degreasing agent, 2.0g/L nonionics degreasing agent and 0.5g/L soda ash are added, stroke is uniform, surveys its pH value and is
7.0, it is then placed in the material after step a processing and carries out soak degreasing, soaks 2h, the stroke fur 10 per hour in immersion process
~15min, carry out secondary fleshing；
C, multiple immersion, softening：According to every chi2Kip adds the ratio of 4 liters of water, gets out normal-temperature water, and add 2g/L
Anion degreasing agent, 1.0g/L nonionics degreasing agent, 1.0 g/L soaking enzymes, 0.5 g/L lipase, 0.5 g/L macerating enzymes and
1.2g/L fatty aldehyde strokes are uniform, the material then added after step b processing, add rear stroke 15min, stand overnight, survey it
PH value is 6.0~6.5；Morning next day water temperature heating soaks 2~4h, fleshing is allowanced for bark after immersion on this condition to 35 DEG C；
D, pickling softens：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, and water temperature risen into 35 DEG C, and
It is uniform to add 60 g/L salt, 1~2 g/L fatting agents and 3 g/L formic acid strokes, adds 1.5~2 g/L acid bating enzymes, it is thorough
Skin stroke 30min is thrown per hour after the dissolving of bottom；The g/L formic acid of acidicenzym 537 and 2~4 is added after 6~12h and carries out pickling, it is acid
The ratio that enzyme 537 adds 12~14 grams of acidicenzyms 537 according to every kip adds, then stroke 20min, and surveying its pH value is
2.8~3.0, it is 2.5~2.8 then to add sulfuric acid and adjust its pH value, soaked overnight, 15~20min of night stroke, next day
Early go out skin and stand 1~2 day；
E, tanning：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 35 DEG C, Ran Houjia
Material：50~60g/L of salt, the g/L of formic acid 0.3~0.5, the g/L of iron removing reagent 0.3~0.5, bleeding agent 1.0g/L, the g/L of tanning agent 5,
5~7g/L of the g/L of sodium formate 2 and soda ash；
Water, temperature are mixed up, and addition salt, formic acid, iron removing reagent, bleeding agent, tanning agent and sodium formate are required according to charging,
It is uniform that various materials add rear stroke, and now pH value is 4.0, the kip then added after step d processing, adds rear stroke 10
~15min, stop drawing, stay overnight, secondary daily 5~7g/L soda ash carries alkali, divides 6~8 times and carries alkali, and alkali is carried once per 30min；Make its pH value
Go out skin after reaching 7~7.5,2 hours and stand 2 days；
F, arrange：Material after conventionally being stood to step e carries out water dumping, stretching, extension, wet-milling, natural drying, spray
Water moisture regain, dry shovel and dry grinding；
G, fill：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, and water temperature risen into 35 DEG C, add 8~
12g/L syntans strokes are uniform, then add the material after step f is arranged, add rear stroke 30min, left undisturbed overnight, next day
Morning rotation is warming up to 35 DEG C, then addition 2g/L fatting agents and 0.5g/L formic acid, stroke 15min after addition formic acid, left undisturbed overnight,
Morning next day is heated up to 35~38 DEG C, and it is 3.6~3.8 to survey its pH value, goes out skin and stands 1 day；
H, oxidation washing：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 40~45
DEG C, it is uniform then to add 3g/L hydrogen peroxide, 2g/L ammoniacal liquor and 1~2g/L anion degreasing agents, stroke；Then add at step g
Material after reason, continuous stroke go out skin in 1.5~2 hours；Once, washing time is 10~20min for normal temperature washing after going out skin；
I, reducing bleach：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 55~60
DEG C, 3~4g/L bleaching agents, 0.2~0.4g/L fluorescent whitening agents and 1.5g/L formic acid are then added, stroke is uniform, surveys its pH value
For 3.5~3.8, the material that then adds after step h processing, continuous stroke 60min goes out skin after adding, washing once, after washing
Carry out water dumping, linked network is dried；
J, finally arrange：Conventionally dried material is got damp again, stretched, raising, carding, scald hair, cut
Hair, classification trimming, maintenance and gage bundling storage.
According to the preparation method of above-mentioned environmental and ecological aluming kip, 60 g/L salt, 1~2 g/L are added in step d
After fatting agent and 3 g/L formic acid strokes are uniform, its pH value is surveyed as 4.0~4.5.
According to the preparation method of above-mentioned environmental and ecological aluming kip, sodium formate adds at twice in step e, and two take second place
Between be spaced 60min.
Added according to the preparation method of above-mentioned environmental and ecological aluming kip, described in step g 2g/L fatting agents and
0.5g/L formic acid, wherein formic acid add four times, and it is 60min that four times, which add time interval,.
According to the preparation method of above-mentioned environmental and ecological aluming kip, 1.5g/L formic acid adds twice described in step i,
0.5g/L formic acid is added for the first time, and 1.0g/L formic acid is added after 30 minutes.
The positive beneficial effect of the present invention：
By technical solution of the present invention making aluming kip, caused sewage, pollutant are less in manufacturing process, favorably
In environmental protection；And the product that makes of the present invention have it is bright it is pure white, dermatotome is plentiful, frivolous soft, oxidation-reduction resistance can be strong, resistance to
The features such as soda acid, sweat proof, anti-corrosive properties are strong, odorless, shrinkage temperature are high, elasticity is good and Color is good.Pass through the technology of the present invention
Method prepares aluming kip and can reduce environmental pollution, reduce the associated maintenance expense such as waste water treatment, so as to reduce production
Cost.
Embodiment：
The present invention is expanded on further with reference to embodiments, but is not intended to limit present disclosure.
Embodiment 1：
The preparation method of the environmental and ecological aluming kip of the present invention, the detailed step of the preparation method are as follows：
A, soak：According to every chi2Kip adds the ratio of 4 liters of water, gets out normal-temperature water, and adds 0.5g/L immersions
Agent, 1.0g/L anion degreasing agent, 1.0g/L nonionics degreasing agent and 0.5g/L soda ash, it is 7.0 that its pH value is uniformly surveyed in stroke afterwards,
Skin is thrown until completely dissolved, raw material kip is then placed in and is soaked, and 10~15min of stroke, stands overnight per hour, cleaning
Once, then shaving, fleshing；
B, degreasing：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, and water temperature risen into 35~38 DEG C, and
1.5~2g/L anion degreasing agent, 2.0g/L nonionics degreasing agent and 0.5g/L soda ash are added, stroke is uniform, surveys its pH value and is
7.0, it is then placed in the material after step a processing and carries out soak degreasing, soaks 2h, the stroke fur 10 per hour in immersion process
~15min, carry out secondary fleshing；
C, multiple immersion, softening：According to every chi2Kip adds the ratio of 4 liters of water, gets out normal-temperature water, and add 2g/L
Anion degreasing agent, 1.0g/L nonionics degreasing agent, 1.0 g/L soaking enzymes, 0.5 g/L lipase, 0.5 g/L macerating enzymes and
1.2g/L fatty aldehyde strokes are uniform, the material then added after step b processing, add rear stroke 15min, stand overnight, survey it
PH value is 6.0~6.5；Morning next day water temperature heating soaks 2~4h, fleshing is allowanced for bark after immersion on this condition to 35 DEG C；
D, pickling softens：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, and water temperature risen into 35 DEG C, and
It is uniform to add 60 g/L salt, 1~2 g/L fatting agents and 3 g/L formic acid strokes, it is 4.0~4.5 to survey its pH value, addition 1.5~
2 g/L acid bating enzymes, skin stroke 30min is thoroughly thrown per hour after dissolving；The g/L of acidicenzym 537 and 2~4 is added after 6~12h
Formic acid carries out pickling, and the ratio that acidicenzym 537 adds 12~14 grams of acidicenzyms 537 according to every kip adds, then stroke
20min, it is 2.8~3.0 to survey its pH value, and it is 2.5~2.8 then to add sulfuric acid and adjust its pH value, soaked overnight, night stroke one
Secondary 15~20min, next day early go out skin and stand 1~2 day；
E, tanning：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 35 DEG C, Ran Houjia
Material：50~60g/L of salt, the g/L of formic acid 0.3~0.5, the g/L of iron removing reagent 0.3~0.5, bleeding agent 1.0g/L, the g/L of tanning agent 5,
The g/L of sodium formate 2（Sodium formate adds at twice, twice between be spaced 60min）With 5~7g/L of soda ash；
Water, temperature are mixed up, and addition salt, formic acid, iron removing reagent, bleeding agent, tanning agent and sodium formate are required according to charging,
It is uniform that various materials add rear stroke, and now pH value is 4.0, the kip then added after step d processing, adds rear stroke 10
~15min, stop drawing, stay overnight, secondary daily 5~7g/L soda ash carries alkali, divides 6~8 times and carries alkali, and alkali is carried once per 30min；Make its pH value
Go out skin after reaching 7~7.5,2 hours and stand 2 days；
F, arrange：Material after conventionally being stood to step e carries out water dumping, stretching, extension, wet-milling, natural drying, spray
Water moisture regain, dry shovel and dry grinding；
G, fill：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, and water temperature risen into 35 DEG C, add 8~
12g/L syntans strokes are uniform, then add the material after step f is arranged, add rear stroke 30min, left undisturbed overnight, next day
Morning rotation is warming up to 35 DEG C, then adds 2g/L fatting agents and 0.5g/L formic acid（Formic acid adds four times, four addition time intervals
It is 60min）, add stroke 15min after formic acid, left undisturbed overnight, morning next day is heated up to 35~38 DEG C, survey its pH value for 3.6~
3.8, go out skin and stand 1 day；
H, oxidation washing：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 40~45
DEG C, it is uniform then to add 3g/L hydrogen peroxide, 2g/L ammoniacal liquor and 1~2g/L anion degreasing agents, stroke；Then add at step g
Material after reason, continuous stroke go out skin in 1.5~2 hours；Once, washing time is 10~20min for normal temperature washing after going out skin；
I, reducing bleach：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 55~60
DEG C, then add 3~4g/L bleaching agents, 0.2~0.4g/L fluorescent whitening agents and 1.5g/L formic acid（1.5g/L formic acid adds twice
Enter, add 0.5g/L formic acid for the first time, 1.0g/L formic acid is added after 30 minutes）, stroke is uniform, and it is 3.5~3.8 to survey its pH value,
Then the material added after step h processing, continuous stroke 60min goes out skin after adding, and washing once, after washing carries out water dumping, hung
Net drying；
J, finally arrange：Conventionally dried material is got damp again, stretched, raising, carding, scald hair, cut
Hair, classification trimming, maintenance and gage bundling storage.
Claims (5)
1. a kind of preparation method of environmental and ecological aluming kip, it is characterised in that the preparation method comprises the following steps：
A, soak：According to every chi2Kip add 4 liters of water ratio, get out normal-temperature water, and add 0.5g/L immersion agent,
1.0g/L anion degreasing agent, 1.0g/L nonionics degreasing agent and 0.5g/L soda ash, it is 7.0 that its pH value is uniformly surveyed in stroke afterwards, is treated
Skin is thrown after being completely dissolved, raw material kip is then placed in and is soaked, 10~15min of stroke, stands overnight per hour, cleaning one
It is secondary, then shaving, fleshing；
B, degreasing：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 35~38 DEG C, and add
1.5~2g/L anion degreasing agent, 2.0g/L nonionics degreasing agent and 0.5g/L soda ash, stroke is uniform, and it is 7.0 to survey its pH value,
Be then placed in step a processing after material carry out soak degreasing, soak 2h, in immersion process per hour stroke fur 10~
15min, carry out secondary fleshing；
C, multiple immersion, softening：According to every chi2Kip adds the ratio of 4 liters of water, gets out normal-temperature water, and add 2g/L anion
Degreasing agent, 1.0g/L nonionics degreasing agent, 1.0 g/L soaking enzymes, 0.5 g/L lipase, 0.5 g/L macerating enzymes and 1.2g/L fat
Fat aldehyde stroke is uniform, the material then added after step b processing, adds rear stroke 15min, stands overnight, and surveys its pH value as 6.0
~6.5；Morning next day water temperature heating soaks 2~4h, fleshing is allowanced for bark after immersion on this condition to 35 DEG C；
D, pickling softens：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 35 DEG C, and add 60
G/L salt, 1~2 g/L fatting agents and 3 g/L formic acid strokes are uniform, add 1.5~2 g/L acid bating enzymes, thoroughly after dissolving
Skin stroke 30min is thrown per hour；Acidicenzym 537 and 2~4 g/L formic acid is added after 6~12h and carries out pickling, acidicenzym 537 according to
The ratio that every kip adds 12~14 grams of acidicenzyms 537 adds, then stroke 20min, and it is 2.8~3.0 to survey its pH value, so
It is 2.5~2.8 to add sulfuric acid afterwards and adjust its pH value, soaked overnight, 15~20min of night stroke, and next day early goes out skin and stands 1
~2 days；
E, tanning：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 35 DEG C, then fed：Food
50~60g/L of salt, the g/L of formic acid 0.3~0.5, the g/L of iron removing reagent 0.3~0.5, bleeding agent 1.0g/L, the g/L of tanning agent 5, sodium formate
5~7g/L of 2 g/L and soda ash；
Water, temperature are mixed up, and addition salt, formic acid, iron removing reagent, bleeding agent, tanning agent and sodium formate are required according to charging, it is various
It is uniform that material adds rear stroke, and now pH value is 4.0, the kip then added after step d processing, add rear stroke 10~
15min, stop drawing, stay overnight, secondary daily 5~7g/L soda ash carries alkali, divides 6~8 times and carries alkali, and alkali is carried once per 30min；Reach its pH value
Go out skin after by 7~7.5,2 hours and stand 2 days；
F, arrange：Material after conventionally being stood to step e carries out water dumping, stretching, extension, wet-milling, natural drying, sprayed water back
Tide, dry shovel and dry grinding；
G, fill：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, and water temperature is risen into 35 DEG C, adds 8~12g/L
Syntans stroke is uniform, then adds the material after step f is arranged, and adds rear stroke 30min, left undisturbed overnight, and morning next day turns
It is dynamic to be warming up to 35 DEG C, 2g/L fatting agents and 0.5g/L formic acid are then added, adds stroke 15min after formic acid, left undisturbed overnight, next day
Morning is heated up to 35~38 DEG C, and it is 3.6~3.8 to survey its pH value, goes out skin and stands 1 day；
H, oxidation washing：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 40~45 DEG C, then
It is uniform to add 3g/L hydrogen peroxide, 2g/L ammoniacal liquor and 1~2g/L anion degreasing agents, stroke；Then the thing added after step g processing
Material, continuous stroke go out skin in 1.5~2 hours；Once, washing time is 10~20min for normal temperature washing after going out skin；
I, reducing bleach：According to every chi2Kip adds the ratio of 4 liters of water, gets out water, water temperature is risen into 55~60 DEG C, then
Add 3~4g/L bleaching agents, 0.2~0.4g/L fluorescent whitening agents and 1.5g/L formic acid, stroke is uniform, survey its pH value for 3.5~
3.8, the material then added after step h processing, continuous stroke 60min goes out skin after adding, and washing once, is got rid of after washing
Water, linked network are dried；
J, finally arrange：Conventionally dried material is got damp again, stretched, raising, carding, scald hair, cropping, point
Class trimming, maintenance and gage bundling storage.
2. the preparation method of environmental and ecological aluming kip according to claim 1, it is characterised in that：Added in step d
60 g/L salt, 1~2 g/L fatting agents and 3 g/L formic acid strokes it is uniform after, survey its pH value as 4.0~4.5.
3. the preparation method of environmental and ecological aluming kip according to claim 1, it is characterised in that：Formic acid in step e
Sodium adds at twice, twice between be spaced 60min.
4. the preparation method of environmental and ecological aluming kip according to claim 1, it is characterised in that：Described in step g
2g/L fatting agents and 0.5g/L formic acid are added, wherein formic acid adds four times, and it is 60min that four times, which add time interval,.
5. the preparation method of environmental and ecological aluming kip according to claim 1, it is characterised in that：Described in step i
1.5g/L formic acid is added twice, adds 0.5g/L formic acid for the first time, and 1.0g/L formic acid is added after 30 minutes.
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| CN105063251B (en) * | 2015-08-28 | 2017-03-08 | 焦作隆丰皮草企业有限公司 | A kind of aqueouss degreasing method of sheep shearing |
| CN105648122B (en) * | 2016-01-26 | 2017-12-26 | 青铜峡市兴泰皮草有限责任公司 | Cunning sub- skin amphimixis tanning agent process for tanning |
| CN106011324B (en) * | 2016-06-12 | 2017-11-28 | 桐乡市恒球皮草制品有限公司 | A kind of small sheep, cunning sub- mirabilite technique |
| CN105969919B (en) * | 2016-06-12 | 2017-11-28 | 桐乡市恒球皮草制品有限公司 | A kind of taw technique of fox rawhide fur |
| CN109628657A (en) * | 2018-12-29 | 2019-04-16 | 深圳市方润环境科技有限公司 | A kind of salt-free acid-free chromte tannage method of high-grade sheep clothes hair leather |
| CN111304381B (en) * | 2020-03-17 | 2022-04-08 | 焦作隆丰皮草企业有限公司 | Pickling softener, ecological tanning agent and production process of soil-fattened wool leather |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4060384A (en) * | 1976-09-09 | 1977-11-29 | Seton Company | Manufacture of leather |
| US4614520A (en) * | 1984-07-27 | 1986-09-30 | Ibello Alfredo | Leather processing |
| CN1326004A (en) * | 2000-05-26 | 2001-12-12 | 吴佳 | Technology for tanning and dyeing lamb hide used as both fur and leather |
| CN101736097B (en) * | 2008-11-22 | 2012-12-05 | 际华三五一二皮革服装有限公司 | Method for manufacturing white tanned shearling |
| CN102703619B (en) * | 2012-06-07 | 2016-05-25 | 故城县海青皮草有限公司 | A kind of energy saving and environment friendly standard mink skin process for tanning |
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