CN102942754B - High-hardness polyvinyl chloride free foaming plate material and preparation method of same - Google Patents
High-hardness polyvinyl chloride free foaming plate material and preparation method of same Download PDFInfo
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- CN102942754B CN102942754B CN201210525858.0A CN201210525858A CN102942754B CN 102942754 B CN102942754 B CN 102942754B CN 201210525858 A CN201210525858 A CN 201210525858A CN 102942754 B CN102942754 B CN 102942754B
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- polyvinyl chloride
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- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 28
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 28
- 238000005187 foaming Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims abstract description 4
- 239000000049 pigment Substances 0.000 claims abstract description 4
- 239000004088 foaming agent Substances 0.000 claims abstract description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000003607 modifier Substances 0.000 claims description 8
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 7
- 239000001993 wax Substances 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 4
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 4
- 150000004645 aluminates Chemical class 0.000 claims description 4
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 2
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 125000000018 nitroso group Chemical group N(=O)* 0.000 claims description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical class CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 1
- 239000012744 reinforcing agent Substances 0.000 abstract 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention relates to a high-hardness polyvinyl chloride free foaming plate material and a preparation method of the same and belongs to the technical field of polyvinyl chloride plate materials. The high-hardness polyvinyl chloride free foaming plate material is prepared from the following ingredients in parts by weight: 60-80 parts of polyvinyl chloride resin powder, 2-5 parts of stabilizer, 5-15 parts of foaming regulator, 2-10 parts of impact modifier, 5-25 parts of packing, 1-4 parts of lubricant, 1-3 parts of foaming agent, 1-20 parts of reinforcing agent, 1-5 parts of plasticization accelerant, and 0-0.1 part of pigment, wherein the total parts of the ingredients by weight is 100. The high-hardness polyvinyl chloride free foaming plate material has the characteristics of high hardness, low density, watertightness, moisture resistance and flame retardance; the surface of the high-hardness polyvinyl chloride free foaming plate material can be printed and coated, therefore the high-hardness polyvinyl chloride free foaming plate material can be widely applied to the industry of advertising production; and the preparation method is simple and feasible, and easy to implement.
Description
Technical field
The present invention relates to a kind of high rigidity polyvinyl chloride free foaming board and preparation method thereof, belong to polyvinyl-chloride plate material technical field.
Background technology
Since reform and opening-up, the socio-economic development of China is advanced by leaps and bounds, economic total volume leaps to second place of the world, and developing of all trades and professions is inevitable, and wherein the tempo of advertising is also a wherein bright spot, the making of advertising pictures, various sign board, also selected many type materials, by original aluminium sheet, iron plate, plank gradually to plastic plate future development, polyvinyl chloride free foaming board is type material within this context, this sheet material cost performance is superior, and can reclaim reprocessing.Free foaming method sheet material is compared with foam method, co-extrusion foaming method, and density is relatively low, and more easily makees thin plate, and range of application is wider.
Polyvinyl chloride free foaming board of the prior art is usually because hardness is not good, and in use procedure, easily distortion and surface are easily scratched, and have impact on work-ing life.Generally, along with the increase of sheet material hardness, density also can correspondingly increase.
Summary of the invention
The object of this invention is to provide a kind of high rigidity polyvinyl chloride free foaming board, have that hardness is high, density is low, waterproof, protection against the tide, fire-retardant feature; Invention also provides its preparation method.
High rigidity polyvinyl chloride free foaming board of the present invention, it is characterized in that being made up of the raw material of following parts by weight, and raw material gross weight number is 100 parts:
The polymerization degree of described polyvinyl chloride resin powder is 600 ~ 1050, preferably 600 ~ 800.
Described stablizer is compound lead stabilizer, calcium zinc stabilizer or organotin stabilizer.
Described foaming control agent is ACR modifier.
Described impact modifier is chlorinatedpolyethylene, alkyl acrylate impact modifier or ethylene-vinyl acetate polymkeric substance.
Described filler is calcium carbonate or talcum powder.
Described lubricant is stearic acid, stearate, Solsperse 2000 compound, stearic amide class, fatty acid metal soap class, polyethylene wax, paraffin or oxidic polyethylene.
Described whipping agent is made up of yellow whipping agent and white hair infusion, and the mass ratio of yellow whipping agent and white hair infusion is 1:1 ~ 1:4, and yellow whipping agent is that Cellmic C 121, azo two isobutyl are fine, nitroso group foaming agent or hydrazides class whipping agent; White hair infusion is sodium bicarbonate, bicarbonate of ammonia, volatile salt or triazo-compound.
Described strengthening agent is modification of ultrafine silicon dioxide or modified nano calcium carbonate.Modification of ultrafine silicon dioxide is that vapor phase process is produced, and adopt titanate coupling agent or aluminate coupling agent conveniently technique carry out surface treatment, granularity 2500 order, nano-calcium carbonate granularity between 0.01 ~ 0.1 μm, and adopt titanate coupling agent or aluminate coupling agent conveniently technique carry out surface treatment.
Described plasticizing promotor is heat resistant type AS resin, and be vinyl cyanide, alpha-methyl styrene, cinnamic multipolymer, wherein vinyl cyanide, alpha-methyl styrene, cinnamic mass ratio are 45:15:40.
Described pigment is titanium dioxide, ultramarine, phthalocyanine blue, iron oxide red, iron oxide yellow, bright red or carbon black.
The preparation method of described high rigidity polyvinyl chloride free foaming board, adopt conical double screw extruder and three roller processing unitss to process the raw material of formula ratio, screw speed 10 ~ 25 revs/min, processing temperature 130 ~ 190 DEG C, screw rod oil temperature 70 ~ 120 DEG C, die temperature 150 ~ 180 DEG C, die lip temperature 130 ~ 180 DEG C, adopt three roller glazings cool and eliminate tension force, control to be cut into through automatic meter counter after fixed width, fixed length.
Beneficial effect of the present invention is as follows:
High rigidity polyvinyl chloride free foaming board provided by the invention, have that hardness is high, density is low, waterproof, protection against the tide, fire-retardant feature, its printable surface, overlay film, can be widely used in ad production industry, its preparation method is simple, easy to implement.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
Be the polyvinyl chloride resin powder of 700 by 60 weight parts of polymer degree, the compound lead stabilizer of 2 weight parts, the ACR modifier of 8 weight parts, the chlorinatedpolyethylene of 5 weight parts, the light calcium carbonate of 17 weight parts, the polyethylene wax of 1 weight part, the Cellmic C 121 of 0.5 weight part, the sodium bicarbonate of 0.5 weight part, the modification of ultrafine silicon dioxide of 5 weight parts, the heat resistant type AS resin of 1 weight part.
Preparation method is as follows:
Conical double-screw and three roller processing unitss are adopted to process the Foamed polyvinyl chloride material of formula ratio, through heat cold enter 80/156 conical double screw extruder, control screw speed 17 revs/min, barrel Heating temperature is respectively 180 DEG C, 175 DEG C, 170 DEG C, 160 DEG C, screw rod oil temperature 95 DEG C, die temperature 170 DEG C, die lip temperature 140 DEG C, be the sheet material of 3mm through free foaming aftershaping, density is 560kg/m
3, plate surface average hardness is 59(shore hardness).
Embodiment 2
Be the polyvinyl chloride resin powder of 1000 by 65 weight parts of polymer degree, the compound lead stabilizer of 3 weight parts, the ACR modifier of 5 weight parts, the chlorinatedpolyethylene of 2 weight parts, the light calcium carbonate of 5 weight parts, the polyethylene wax of 4 weight parts, the Cellmic C 121 of 0.5 weight part, the sodium bicarbonate of 1.5 weight parts, the modification of ultrafine silicon dioxide of 10 weight parts, the heat resistant type AS resin of 3.9 weight parts, the titanium dioxide of 0.1 weight part.
Preparation method as embodiment 1, panel density 570kg/m
3, plate surface average hardness is 60(shore hardness).
Embodiment 3
Be the polyvinyl chloride resin powder of 1000 by 70 weight parts of polymer degree, the compound lead stabilizer of 2 weight parts, the ACR modifier of 6 weight parts, the chlorinatedpolyethylene of 6 weight parts, the light calcium carbonate of 10 weight parts, the ethylene-vinyl acetate polymkeric substance of 2 weight parts, the Cellmic C 121 of 0.5 weight part, the sodium bicarbonate of 0.5 weight part, the nano-calcium carbonate of 1 weight part, the heat resistant type AS resin of 1.9 weight parts, the iron oxide red of 0.1 weight part.
Preparation method as embodiment 1, panel density be 550kg/m
3, plate surface average hardness is 58(shore hardness).
Embodiment 4
Be the polyvinyl chloride resin powder of 700 by 75 weight parts of polymer degree, the calcium zinc stabilizer of 2 weight parts, the ACR modifier of 5 weight parts, the ethylene-vinyl acetate polymkeric substance of 7 weight parts, the talcum powder of 5 weight parts, the polyethylene wax of 1 weight part, the Cellmic C 121 of 0.5 weight part, the sodium bicarbonate of 0.5 weight part, the nano-calcium carbonate of 3 weight parts, the heat resistant type AS resin of 1 weight part.
Preparation method as embodiment 1, panel density be 530kg/m
3, plate surface average hardness is 57(shore hardness).
Comparative example 1
Be the polyvinyl chloride resin powder of 700 by 63 weight parts of polymer degree, the compound lead stabilizer of 2 weight parts, the ACR modifier of 8 weight parts, the chlorinatedpolyethylene of 5 weight parts, the light calcium carbonate of 20 weight parts, the polyethylene wax of 1 weight part, the Cellmic C 121 of 0.5 weight part, the sodium bicarbonate of 0.5 weight part.
Preparation method as embodiment 1, panel density be 550kg/m
3, plate surface average hardness is 47(shore hardness).
Comparative example 2
Be the polyvinyl chloride resin powder of 1000 by 68.9 weight parts of polymer degree, the compound lead stabilizer of 3 weight parts, the ACR modifier of 5 weight parts, the chlorinatedpolyethylene of 2 weight parts, the light calcium carbonate of 15 weight parts, the polyethylene wax of 4 weight parts, the Cellmic C 121 of 0.5 weight part, the sodium bicarbonate of 1.5 weight parts, the titanium dioxide of 0.1 weight part.
Preparation method as embodiment 1, panel density 570kg/m
3, plate surface average hardness is 48(shore hardness).
As can be seen from above comparative example 1-2 and embodiment 1-4, with the addition of strengthening agent and plastify promotor when density transform is little, the hardness of sheet material is greatly improved.
Strengthening agent employing titanate coupling agent described in embodiment conveniently technique carries out surface treatment.
Claims (8)
1. a high rigidity polyvinyl chloride free foaming board, it is characterized in that being made up of the raw material of following parts by weight, and raw material gross weight number is 100 parts:
Polyvinyl chloride resin powder 60 ~ 80
Stablizer 2 ~ 5
Foaming control agent 5 ~ 15
Impact modifier 2 ~ 10
Filler 5 ~ 25
Lubricant 1 ~ 4
Whipping agent 1 ~ 3
Strengthening agent 1 ~ 20
Plasticizing promotor 1 ~ 5
Pigment 0 ~ 0.1;
Described strengthening agent is modification of ultrafine silicon dioxide or nano-calcium carbonate; Modification of ultrafine silicon dioxide is that vapor phase process is produced, and adopts titanate coupling agent or aluminate coupling agent to carry out surface treatment, granularity 2500 order; Nano-calcium carbonate granularity is 0.01 ~ 0.1 μm, and adopts titanate coupling agent or aluminate coupling agent to carry out surface treatment;
Described plasticizing promotor is heat resistant type AS resin, and be vinyl cyanide, alpha-methyl styrene, cinnamic multipolymer, wherein vinyl cyanide, alpha-methyl styrene, cinnamic mass ratio are 45:15:40.
2. sheet material according to claim 1, is characterized in that the polymerization degree of described polyvinyl chloride resin powder is 600 ~ 1050.
3. sheet material according to claim 1, is characterized in that described stablizer is compound lead stabilizer, calcium zinc stabilizer or organotin stabilizer.
4. sheet material according to claim 1, is characterized in that described foaming control agent is ACR modifier.
5. sheet material according to claim 1, is characterized in that described impact modifier is chlorinatedpolyethylene, alkyl acrylate impact modifier or ethylene-vinyl acetate polymkeric substance.
6. sheet material according to claim 1, is characterized in that described filler is calcium carbonate or talcum powder; Described lubricant is stearic acid, stearate, stearic amide class, fatty acid metal soap class, polyethylene wax, paraffin or oxidic polyethylene; Described whipping agent is made up of yellow whipping agent and white hair infusion, and the mass ratio of yellow whipping agent and white hair infusion is 1:1 ~ 1:4, and yellow whipping agent is that Cellmic C 121, azo two isobutyl are fine, nitroso group foaming agent or hydrazides class whipping agent; White hair infusion is sodium bicarbonate, bicarbonate of ammonia, volatile salt or triazo-compound.
7. sheet material according to claim 1, is characterized in that described pigment is titanium dioxide, ultramarine, phthalocyanine blue, iron oxide red, iron oxide yellow, bright red or carbon black.
8. the arbitrary described preparation of plates method of claim 1 ~ 7, it is characterized in that: adopt conical double screw extruder and three roller processing unitss to process the raw material of formula ratio, screw speed 10 ~ 25 revs/min, processing temperature 130 ~ 190 DEG C, screw rod oil temperature 70 ~ 120 DEG C, die temperature 150 ~ 180 DEG C, die lip temperature 130 ~ 180 DEG C, adopt three roller glazings cool and eliminate tension force, control to be cut into through automatic meter counter after fixed width, fixed length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210525858.0A CN102942754B (en) | 2012-12-07 | 2012-12-07 | High-hardness polyvinyl chloride free foaming plate material and preparation method of same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210525858.0A CN102942754B (en) | 2012-12-07 | 2012-12-07 | High-hardness polyvinyl chloride free foaming plate material and preparation method of same |
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| Publication Number | Publication Date |
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| CN102942754A CN102942754A (en) | 2013-02-27 |
| CN102942754B true CN102942754B (en) | 2015-06-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103665661B (en) * | 2013-12-02 | 2016-01-06 | 南通瑞普埃尔生物工程有限公司 | A kind of hard PVC foamed board and preparation method thereof |
| CN104292696A (en) * | 2014-09-30 | 2015-01-21 | 山东瑞丰高分子材料股份有限公司 | Polyvinyl chloride (PVC) foamed sheet and preparation method thereof |
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