CN109135124A - Low-density advertising board and preparation method thereof - Google Patents
Low-density advertising board and preparation method thereof Download PDFInfo
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- CN109135124A CN109135124A CN201810978399.9A CN201810978399A CN109135124A CN 109135124 A CN109135124 A CN 109135124A CN 201810978399 A CN201810978399 A CN 201810978399A CN 109135124 A CN109135124 A CN 109135124A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 238000005187 foaming Methods 0.000 claims abstract description 30
- 241000276489 Merlangius merlangus Species 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 19
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 19
- 239000003381 stabilizer Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 17
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004088 foaming agent Substances 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000004014 plasticizer Substances 0.000 claims abstract description 9
- 239000012745 toughening agent Substances 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 claims description 13
- 238000005282 brightening Methods 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229920001596 poly (chlorostyrenes) Polymers 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 230000002087 whitening effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 238000009472 formulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a low-density advertising board and a preparation method thereof, and belongs to the technical field of polyvinyl chloride boards. The advertising board is composed of polyvinyl chloride SG8 type resin, heavy calcium carbonate, an advertising template reclaimed material, a foaming regulator, a calcium-zinc stabilizer, a lubricant, a plasticizer, a foaming agent, a toughening agent and the like, and comprises the following steps: sequentially putting calcium zinc stabilizer, coarse whiting, polyvinyl chloride SG8 type resin, foaming agent, lubricant, foaming regulator, whitening agent, toughening agent and return material of the advertising board into a hot mixing pot, stirring and heating, then putting the mixture into a cold mixing pot, stirring and cooling, conveying the cooled material to an extruder, heating by six sections of double screws of a charging barrel to plasticize the material well, conveying the material to a die, cooling, pressing and shaping by a shaping table, and moving out by a tractor, cutting and shaping to obtain the finished product. The invention can be used for producing the advertising thin plate.
Description
Technical field
The present invention relates to a kind of low-density billboards and preparation method thereof, belong to polyvinyl-chloride plate material technical field.
Background technique
With the development of advertising sector, traditional iron and aluminum advertisement product is gradually wide by low density polyvinyl-chloride
Plate is accused to be substituted.Polyvinyl-chloride foam material the processing performances such as can saw, can follow closely, can dig, can glue due to having, and have anti-
Water, Anti-moth-eating, alkaline-resisting, anti-corrosion, sound insulation, has the features such as preferable stability and weatherability at fire prevention, has obtained good development,
It is widely used in advertisement board industry.
Relatively thin foam polyvinyl chloride billboard low for density, the problem in production is that density is done to get off, plate hair
Crisp easy fracture, calcium powder amount, which can add Shang Qu, leads to high production cost and production is unstable.And the thin billboard market price is low, is produced into
This height, leading to the thin billboard of whole market, supply falls short of demand.The factory formula and technique initialization of thin billboard are also with production
Constantly change debugging is not accomplished to stablize unified production on a large scale.Existing formula composition is complex, stabilizer multiplicity, and two to three
Kind is used cooperatively, and stablizing effect is bad.The plasticizer of addition is also very different, and solid-state, liquid have, and it is difficult to increase production
Degree.
Summary of the invention
The present invention provides a kind of low-density billboards, have density low, the big feature of hardness can continue to give birth on a large scale
It produces.
The present invention also provides preparation methods.
The low-density billboard, is made of the raw material of following parts by weight: 50-60 parts of type resin of polyvinyl chloride SG8, weight
70-80 parts of calcium, 50-60 parts of advertisement formwork reclaimed materials, 90 7 parts of foaming control agent, 401 2 parts of foaming control agent, calcium zinc stabilizer
4-4.5 parts, 0.2-0.3 parts of in-lubricant sp-60,0.3-0.4 parts of polyethylene wax, 0.2-0.3 parts of N-14P, plasticiser OA6
0.5-0.6 parts, 1.4-1.5 parts of AC foaming agent of heat release type, 0.7-1.0 parts of triumphant c-2 foaming agent, blue light brightening agent 0.1 in heat absorbing type
Part, 0.5-1 parts of toughening agent C PE；
Wherein coarse whiting is using being preceding activated.
Preferred low-density billboard, is made of the raw material of following parts by weight: 55 parts of resin of polyvinyl chloride SG8 type, coarse whiting
It is 75 parts, 55 parts of advertisement formwork reclaimed materials, 90 7 parts of foaming control agent, 401 2 parts of foaming control agent, 4.2 parts of calcium zinc stabilizer, interior
0.25 part of lubricant sp-60,0.35 part of polyethylene wax, 0.25 part of N-14P, 0.55 part of plasticiser OA6, heat release type AC foaming
1.45 parts of agent, 0.8 part of triumphant c-2 foaming agent in heat absorbing type, 0.1 part of blue light brightening agent, 0.6 part of toughening agent C PE.
The low-density billboard density is 0.3-0.4g/cm3。
The low-density billboard is with a thickness of 1.8-3.0mm.
The preparation method of the low-density billboard, comprising the following steps:
Coarse whiting and polyvinyl chloride are successively put into again after the mixed pot stirring of calcium zinc stabilizer investment heat is first warming up to 50-60 DEG C
SG8 type resin, successively then according to foaming agent-lubricant-foaming control agent-brightening agent, toughener-billboard feed back sequence
Stirring is warming up to 110-120 DEG C in the mixed pot of investment heat, and mixture is then put into stirring in cold mixing pot and is cooled to 40-60 DEG C, will
Cooling material is delivered to extruder, makes its plasticizing good transportation to mold through six sections of twin-screw heating of barrel, cold via shaping platform
But pressing sizing, dragger excision forming of moving out obtain finished product；
Wherein extruder temperature is 170-185 DEG C；Mold temperature is 160-170 DEG C；Mold oil temperature machine is 165-175 DEG C；
Shaping platform cooling water temperature is 17-30 DEG C.
Compared with prior art, the beneficial effects of the present invention are:
Invention increases the usage amount of coarse whiting, the ratio of polyvinyl chloride and calcium powder has up to arrived 1:1.5, makes formulation cost
It substantially reduces.Thickener caused by increasing in order to avoid coarse whiting, invention increases the dosages of calcium zinc stabilizer, while in order to improve
Material fluidity caused by coarse whiting increases is poor, and invention increases the usage amounts of plasticiser.
Foaming control agent 90 (methyl methacrylate) and foaming control agent 401 (styrene) are used cooperatively by the present invention,
Methyl methacrylate plasticizing is relatively slow but torque is high, and styrene plasticizing is fast, but torque is low, and styrene, can for thin plate
To increase the surface hardness of thin plate, the two collocation use can allow low-density thin plate to have higher surface hardness and good modeling
The property changed.
It is first put into stabilizer when mixing of the present invention and is warming up to 50-60 DEG C, stabilizer is enable preferably to coat polychlorostyrene
Ethylene.
The present invention uses six sections of spiro rod plasticizings, although than six sections spiro rod plasticizings of seven sections of screw rods are fast, plasticizing effect is good,
Discovery when producing low-density advertisement thin plate of the invention is easy thickener with seven sections of screw rods, and the available machine time is short.Present invention eliminates
The use of die lip is held if passing through die lip instantaneous cooling in die orifice out because to involve speed fast for low-density billboard itself
Disconnected plate is easily caused, the cooling effect of shaping platform is enough.Temperature mold of the present invention uses low temperature, mainly shear heat and die heater
Heat source is provided, the available machine time can be greatly prolonged.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
The low-density billboard, is made of the raw material of following parts by weight: 55 parts of resin of polyvinyl chloride SG8 type, coarse whiting
It is 75 parts, 55 parts of advertisement formwork reclaimed materials, 90 7 parts of foaming control agent, 401 2 parts of foaming control agent, 4.2 parts of calcium zinc stabilizer, interior
0.25 part of lubricant sp-60,0.35 part of polyethylene wax, 0.25 part of N-14P, 0.55 part of plasticiser OA6, heat release type AC foaming
1.45 parts of agent, 0.8 part of triumphant c-2 foaming agent in heat absorbing type, 0.1 part of blue light brightening agent, 0.6 part of toughening agent C PE；Wherein coarse whiting makes
It is activated with preceding.
The preparation method of the low-density billboard, comprising the following steps:
First the mixed pot stirring of calcium zinc stabilizer investment heat is warming up to after 55 DEG C and successively puts into coarse whiting and polyvinyl chloride SG8 type again
Resin is successively put into then according to foaming agent-lubricant-foaming control agent-brightening agent, toughener-billboard feed back sequence
Stirring is warming up to 115 DEG C in the mixed pot of heat, and mixture is then put into stirring in cold mixing pot and is cooled to 50 DEG C, by cooling material conveying
To extruder, so that it is plasticized good transportation through six sections of twin-screw heating of barrel and led to mold via the cooling pressing sizing of shaping platform
Draw machine excision forming of moving out and obtains finished product；Wherein extruder temperature is 180 DEG C；Mold temperature is 165 DEG C；Mold oil temperature machine is
170℃；Shaping platform cooling water temperature is 25 DEG C.
Embodiment 2
The low-density billboard, is made of the raw material of following parts by weight: 50 parts of resin of polyvinyl chloride SG8 type, coarse whiting
70 parts, 50 parts of advertisement formwork reclaimed materials, 90 7 parts of foaming control agent, 401 2 parts of foaming control agent, 4 parts of calcium zinc stabilizer, interior profit
0.2 part of lubrication prescription sp-60,0.3 part of polyethylene wax, 0.2 part of N-14P, 0.5 part of plasticiser OA6, heat release type AC foaming agent 1.4
Part, 0.7 part of triumphant c-2 foaming agent in heat absorbing type, 0.1 part of blue light brightening agent, 0.5 part of toughening agent C PE；Wherein coarse whiting is using preceding needing
It is activated.
The preparation method of the low-density billboard, comprising the following steps:
First the mixed pot stirring of calcium zinc stabilizer investment heat is warming up to after 50 DEG C and successively puts into coarse whiting and polyvinyl chloride SG8 type again
Resin is successively put into then according to foaming agent-lubricant-foaming control agent-brightening agent, toughener-billboard feed back sequence
Stirring is warming up to 110 DEG C in the mixed pot of heat, and mixture is then put into stirring in cold mixing pot and is cooled to 40 DEG C, by cooling material conveying
To extruder, so that it is plasticized good transportation through six sections of twin-screw heating of barrel and led to mold via the cooling pressing sizing of shaping platform
Draw machine excision forming of moving out and obtains finished product；Wherein extruder temperature is 170 DEG C；Mold temperature is 160 DEG C；Mold oil temperature machine is
165℃；Shaping platform cooling water temperature is 17 DEG C.
Embodiment 3
The low-density billboard, is made of the raw material of following parts by weight: 60 parts of resin of polyvinyl chloride SG8 type, coarse whiting
It is 80 parts, 60 parts of advertisement formwork reclaimed materials, 90 7 parts of foaming control agent, 401 2 parts of foaming control agent, 4.5 parts of calcium zinc stabilizer, interior
0.3 part of lubricant sp-60,0.4 part of polyethylene wax, 0.3 part of N-14P, 0.6 part of plasticiser OA6, heat release type AC foaming agent 1.5
Part, 1.0 parts of triumphant c-2 foaming agent in heat absorbing type, 0.1 part of blue light brightening agent, 1 part of toughening agent C PE；Wherein coarse whiting is using preceding needing
It is activated.
The preparation method of the low-density billboard, comprising the following steps:
First the mixed pot stirring of calcium zinc stabilizer investment heat is warming up to after 60 DEG C and successively puts into coarse whiting and polyvinyl chloride SG8 type again
Resin is successively put into then according to foaming agent-lubricant-foaming control agent-brightening agent, toughener-billboard feed back sequence
Stirring is warming up to 120 DEG C in the mixed pot of heat, and mixture is then put into stirring in cold mixing pot and is cooled to 60 DEG C, by cooling material conveying
To extruder, so that it is plasticized good transportation through six sections of twin-screw heating of barrel and led to mold via the cooling pressing sizing of shaping platform
Draw machine excision forming of moving out and obtains finished product；Wherein extruder temperature is 185 DEG C；Mold temperature is 170 DEG C；Mold oil temperature machine is
175℃；Shaping platform cooling water temperature is 30 DEG C.
By the low-density advertisement thin plate of conventional formulation with described in 1-3 of the embodiment of the present invention with a thickness of the low of 1.8-3.0mm
Density billboard compares, and design parameter is as follows:
| Density/g/cm3 | Thickness/mm | Hardness shore A | Available machine time | One ton of cost/member | |
| Conventional formulation | 0.35 | 4.4 | 72 | 5 days | 6700 |
| Embodiment 1 | 0.33 | 2.2 | 83 | 12 days | 5800 |
| Embodiment 2 | 0.34 | 2.6 | 86 | 17 days | 5800 |
| Embodiment 3 | 0.34 | 2.0 | 85 | 15 days | 5800 |
As can be seen from the above table, the more conventionally produced thin plate of the low-density billboard of the method for the present invention production is thinner,
And hardness is bigger, cost is lower, and inventive formulation and method can greatly prolong the available machine time.
Claims (5)
1. a kind of low-density billboard, it is characterised in that be made of the raw material of following parts by weight: polyvinyl chloride SG8 type resin 50-
60 parts, 70-80 parts of coarse whiting, 50-60 parts of advertisement formwork reclaimed materials, 90 7 parts of foaming control agent, 401 2 parts of foaming control agent, calcium
4-4.5 parts of zinc stabilizer, 0.2-0.3 parts of in-lubricant sp-60,0.3-0.4 parts of polyethylene wax, 0.2-0.3 parts of N-14P, modeling
0.5-0.6 parts of agent OA6,1.4-1.5 parts of AC foaming agent of heat release type, 0.7-1.0 parts of triumphant c-2 foaming agent in heat absorbing type, blue light increases
White dose 0.1 part, 0.5-1 parts of toughening agent C PE；
Wherein coarse whiting is using being preceding activated.
2. low-density billboard according to claim 1, it is characterised in that be made of the raw material of following parts by weight: polychlorostyrene second
55 parts of resin of alkene SG8 type, 75 parts of coarse whiting, 55 parts of advertisement formwork reclaimed materials, 90 7 parts of foaming control agent, foaming control agent 401 2
Part, 4.2 parts of calcium zinc stabilizer, 0.25 part of in-lubricant sp-60,0.35 part of polyethylene wax, 0.25 part of N-14P, plasticiser OA6
0.55 part, 1.45 parts of foaming agent of heat release type AC, 0.8 part of triumphant c-2 foaming agent in heat absorbing type, 0.1 part of blue light brightening agent, toughener
0.6 part of CPE.
3. low-density billboard according to claim 1 or 2, it is characterised in that: the low-density billboard density is
0.3-0.4g/cm3。
4. low-density billboard according to claim 3, it is characterised in that: the low-density billboard is with a thickness of 1.8-
3.0mm。
5. a kind of preparation method of low-density billboard described in claim 1, it is characterised in that the following steps are included:
Coarse whiting and polyvinyl chloride SG8 type are successively put into again after the mixed pot stirring of calcium zinc stabilizer investment heat is first warming up to 50-60 DEG C
Resin is successively put into then according to foaming agent-lubricant-foaming control agent-brightening agent, toughener-billboard feed back sequence
Stirring is warming up to 110-120 DEG C in the mixed pot of heat, and mixture is then put into stirring in cold mixing pot and is cooled to 40-60 DEG C, will be cooled down
Material is delivered to extruder, so that it is plasticized good transportation to mold through six sections of twin-screw heating of barrel, presses via shaping platform is cooling
Sizing is closed, dragger excision forming of moving out obtains finished product；
Wherein extruder temperature is 170-185 DEG C；Mold temperature is 160-170 DEG C；Mold oil temperature machine is 165-175 DEG C；Sizing
Platform cooling water temperature is 17-30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978399.9A CN109135124A (en) | 2018-08-27 | 2018-08-27 | Low-density advertising board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978399.9A CN109135124A (en) | 2018-08-27 | 2018-08-27 | Low-density advertising board and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN109135124A true CN109135124A (en) | 2019-01-04 |
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ID=64828050
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| CN201810978399.9A Pending CN109135124A (en) | 2018-08-27 | 2018-08-27 | Low-density advertising board and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951193A (en) * | 2019-12-20 | 2020-04-03 | 山东汇丰新材料科技股份有限公司 | Low-density UV special plate and preparation method thereof |
| CN111234408A (en) * | 2020-01-17 | 2020-06-05 | 山东汇丰新材料科技股份有限公司 | High-brightness paint-free plate with thickness of 15-18mm |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN104910554A (en) * | 2015-06-08 | 2015-09-16 | 山东汇丰木塑型材股份有限公司 | 3-5mm-thick polyvinyl chloride foamed poster board |
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| CN102391595A (en) * | 2011-12-06 | 2012-03-28 | 山东博拓塑业股份有限公司 | Polyvinyl chloride surface crusting foaming sheet material and its preparation method |
| CN102391594A (en) * | 2011-12-06 | 2012-03-28 | 山东博拓塑业股份有限公司 | Polyvinyl chloride foamed plate and preparation method thereof |
| CN104893156A (en) * | 2015-06-08 | 2015-09-09 | 山东汇丰木塑型材股份有限公司 | 6-17mm-thick polyvinyl chloride foamed poster board and preparation method thereof |
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| CN110951193A (en) * | 2019-12-20 | 2020-04-03 | 山东汇丰新材料科技股份有限公司 | Low-density UV special plate and preparation method thereof |
| CN111234408A (en) * | 2020-01-17 | 2020-06-05 | 山东汇丰新材料科技股份有限公司 | High-brightness paint-free plate with thickness of 15-18mm |
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Address after: 273300 Wenshui Park, Pingyi County Economic Development Zone, Linyi City, Shandong Province, to the north of National Highway 327, west of Fengshan Road Applicant after: Shandong Huifeng New Material Science and Technology Co., Ltd. Address before: 273300 Wenshui Park, Pingyi County Economic Development Zone, Linyi City, Shandong Province, west of Fengshan Road, north of 327 National Road Applicant before: SHANDONG HUIFENG WOOD PLASTIC PROFILE CO., LTD. |
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