CN104312048A - PVC (polyvinyl chloride) board and production method thereof - Google Patents
PVC (polyvinyl chloride) board and production method thereof Download PDFInfo
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- CN104312048A CN104312048A CN201410608536.1A CN201410608536A CN104312048A CN 104312048 A CN104312048 A CN 104312048A CN 201410608536 A CN201410608536 A CN 201410608536A CN 104312048 A CN104312048 A CN 104312048A
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- pvc
- pvc board
- raw material
- foaming
- production method
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 229920000915 polyvinyl chloride Polymers 0.000 title abstract 7
- 239000004800 polyvinyl chloride Substances 0.000 title abstract 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011575 calcium Substances 0.000 claims abstract description 12
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 239000006260 foam Substances 0.000 claims abstract description 7
- 238000005187 foaming Methods 0.000 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000012768 molten material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 5
- -1 polyethylene Polymers 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 abstract description 2
- 239000003381 stabilizer Substances 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical group [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical class [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- 150000003151 propanoic acid esters Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08J9/08—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 carbon dioxide
-
- 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
-
- 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
- C08J9/04—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
- C08J9/106—Azides
-
- 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
- C08J9/107—Nitroso compounds
-
- 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
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- 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
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a PVC (polyvinyl chloride) board and a production method thereof. The PVC board is produced from 84-86% of PVC scrap, 7-8% of calcium powder, 0.8-1.1% of a stabilizer, 3.5-4% of a foam control agent, 0.15-0.3% of a yellow foamer, 0.4-0.7% of a white foamer, 0.05-0.25% of PE (polyethylene) wax, 0.2-0.4% of OK60, 0.15-0.3% of OA6 and 1-1.7% of ACM. The production method comprises the following steps: performing low-temperature mixing, extruding, cooling and shaping. The PVC board produced by the production method is high in hardness, good in fire-proof performance and good in high temperature resistance; the production method is energy-saving, low in cost and high in efficiency.
Description
Technical field
The present invention relates to the production method of PVC board and PVC board thereof.
Background technology
In building trade, the template that tradition uses is essentially wooden form, but wooden form is the loss to natural resources, and easily rots, and the number of times of recycling is few, can not again be recycled, therefore, present wooden form substantially substitute by plastic mould.At the initial stage of plastic mould research, basic adopt raw material as new in resin, additive etc., cause material cost and manufacturing cost high.Afterwards, people began one's study and in additive, add waste material carry out production template.
Be disclose a kind of composite plastic template and preparation method thereof in the patent documentation of 2013.7.24 as be 201310191688.1 applyings date at application number being 2013.5.22 Shen Qing Publication day, and concrete machine describes this composite plastic template is made up of upper and lower surface hard layer and middle foaming layer, wherein in middle foaming layer, PVC waste material accounts for about 47%.Its preparation method comprises and then the heating material of mixing is cooled to 40-50 DEG C rapidly to 115-130 DEG C, last extrusion moulding.Be 201410019562.0 applyings date be 2014.1.16 Shen Qing Publication day at application number be also disclose a kind of high rigidity PVC in the patent documentation of 2014.5.14 to build Wood-plastic formwork and preparation method thereof, disclose in preparation method and then the heating material of mixing is cooled to less than 50 DEG C rapidly to 105-120 DEG C, last extrusion moulding.Be 201010276115.5 applyings date be 2010.9.9 Shen Qing Publication day at application number be also disclose a kind of wood plastic building mould in the patent documentation of 2011.1.12, and disclose raw material and obtain this wood plastic building mould through high-temperature mixing, cooling, extrusion molding.
In above-mentioned disclosed document, the per-cent that waste material accounts for whole raw material is little, cause the cost of material high, and in the fabrication process, raw material all needs then to cool rapidly through high-temperature mixing just can extrude, and in intensification and process of cooling, all needs to consume a large amount of energy, make production cost high, the shaping efficiency of sheet material is low.
Summary of the invention
The first object of the present invention is to provide the PVC board that a kind of hardness is high, fire resistance good, resistance to elevated temperatures is good, cost is low.
The second object of the present invention is to provide a kind of production method of PVC board, and the hardness of the PVC board utilizing the method to produce is high, fire resistance good, resistance to elevated temperatures is good, and this production method is energy-conservation, and cost is low, and efficiency is high.
For reaching above-mentioned first object, PVC board, according to weight percent meter, be prepared from by following raw material:
PVC waste material 84%-86%
Calcium powder 7%-8%
Stablizer 0.8%-1.1%
Foaming control agent 3.5%-4%
Yellow foaming 0.15%-0.3%
White hair bubble 0.4%-0.7%
PE wax 0.05%-0.25%
OK60 0.2%-0.4%
OA6 0.15%-0.3%
ACM 1%-1.7% 。
Further, the weight percent of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stablizer 0.9%
Foaming control agent 3.7%
Yellow foaming 0.25%
White hair bubble 0.6%
PE wax 0.1%
OK60 0.3%
OA6 0.25%
ACM 1.4% 。
For reaching above-mentioned second object, a kind of method of producing PVC board, comprises the steps:
(1) raw material is mixed at 60-70 DEG C;
(2) be sent in forcing machine by the raw material mixed and foam, then extrude through extrusion die, the temperature controlling forcing machine is 170-190 DEG C, and the temperature passing into the water coolant of extrusion die is 10-15 DEG C;
(3) molten materials leaving extrusion die is cooled, formation PVC board of shaping.
Further, deburring and cut-out are carried out to PVC board.
Further, the weight percent of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stablizer 0.9%
Foaming control agent 3.7%
Yellow foaming 0.25%
White hair bubble 0.6%
PE wax 0.1%
OK60 0.3%
OA6 0.25%
ACM 1.4% 。
The invention has the beneficial effects as follows: compared to existing technology, the per-cent that PVC waste material accounts for whole raw material has exceeded 85%, and PVC waste material obtains by reclaiming, and therefore, can reduce costs, environmental protection; This PVC board tested, its Shore durometer number is greater than 77.1, and hardness is high; Its fire-protection rating meets UL94V-0 levels necessitate; Temperature to be 90 DEG C of humidity be place 24 hours in the environment of 33% after the test result that obtains be that sample does not find the sign be out of shape, and color and luster is normal, and its resistance to elevated temperatures is good.In this PVC board process of production, relative to prior art, the process eliminating high-temperature mixing and cool rapidly, production method of the present invention, because adding a large amount of PVC waste materials, therefore, only needs to mix under the temperature environment of about 65 DEG C, therefore, save the large energy required for heating and cooling, thus reduce cost, in addition, from production process, operation before extruding is simplified, and this improves production efficiency.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated.
PVC board is prepared from by the calcium powder of the PVC waste material of 84%-86%, 7%-8%, stablizer, the foaming control agent of 3.5%-4%, the Huang foaming of 0.15-0.3%, the ACM of the white hair bubble of 0.4%-0.7%, OA6,1%-1.7% of the PE wax of 0.05%-0.25%, OK60,0.15%-0.3% of 0.2%-0.4% of 0.8%-1.1%, and above per-cent is all weight percentage.
Wherein, stablizer is compound Pb stabilizer or calcium zinc class stablizer.Yellow foaming is azo diformazan phthalein amine, azo two isobutyl is fine, nitroso group foaming agent or phthalein fat class whipping agent; White hair bubble is sodium bicarbonate, bicarbonate of ammonia, volatile salt or triazo-compound.Described OK60 is silicon-dioxide flatting silica, and described OA6 is polyethylene wax wetting agent, and described ACM is modification propionic acid ester polymkeric substance.
Embodiment 1.
(1) by the stablizer of 0.8%, 3.5% foaming control agent, the Huang foaming of 0.15%, white hair bubble, the PE wax of 0.05%, OK60, the OA6 of 0.15%, ACM, the PVC waste material of 86%, the calcium powder of 7.75% of 1% of 0.2% of 0.4% mix at 70 DEG C.
(2) be directly sent in forcing machine by the raw material mixed and foam, then extrude through extrusion die, the temperature controlling forcing machine is 170-190 DEG C, and the temperature passing into the water coolant of extrusion die is 10-15 DEG C.
(3) molten materials leaving extrusion die is cooled, shaping forms the smooth PVC board of upper and lower surface.
(4) deburring and cut-out are carried out to PVC board.
Embodiment 2.
(1) by the stablizer of 1.1%, 4% foaming control agent, the Huang foaming of 0.3%, white hair bubble, the PE wax of 0.25%, OK60, the OA6 of 0.3%, ACM, the PVC waste material of 84.25%, the calcium powder of 7 % of 1.7% of 0.4% of 0.7% mix at 60-70 DEG C.
(2) be directly sent in forcing machine by the raw material mixed and foam, then extrude through extrusion die, the temperature controlling forcing machine is 170-190 DEG C, and the temperature passing into the water coolant of extrusion die is 10-15 DEG C.
(3) molten materials leaving extrusion die is cooled, shaping forms the smooth PVC board of upper and lower surface.
(4) deburring and cut-out are carried out to PVC board.
Embodiment 3.
(1) by the stablizer of 1.1%, 4% foaming control agent, the Huang foaming of 0.2%, white hair bubble, the PE wax of 0.2%, OK60, the OA6 of 0.2%, ACM, the PVC waste material of 84%, the calcium powder of 8 % of 1.5% of 0.3% of 0.5% mix at 60-70 DEG C.
(2) be directly sent in forcing machine by the raw material mixed and foam, then extrude through extrusion die, the temperature controlling forcing machine is 170-190 DEG C, and the temperature passing into the water coolant of extrusion die is 10-15 DEG C.
(3) molten materials leaving extrusion die is cooled, shaping forms the smooth PVC board of upper and lower surface.
(4) deburring and cut-out are carried out to PVC board.
Embodiment 4.
(1) by the stablizer of 0.9%, 3.7% foaming control agent, the Huang foaming of 0.25%, white hair bubble, the PE wax of 0.1%, OK60, the OA6 of 0.25%, ACM, the PVC waste material of 85.5%, the calcium powder of 7 % of 1.4% of 0.3% of 0.6% mix at 60-70 DEG C.
(2) be directly sent in forcing machine by the raw material mixed and foam, then extrude through extrusion die, the temperature controlling forcing machine is 170-190 DEG C, and the temperature passing into the water coolant of extrusion die is 10-15 DEG C.
(3) molten materials leaving extrusion die is cooled, shaping forms the smooth PVC board of upper and lower surface.
(4) deburring and cut-out are carried out to PVC board.
The PVC board of produce above-described embodiment and the performance of existing PVC board compare, and result is as follows:
The condition of above-mentioned high temperature resistant test is except temperature difference, and other condition is humidity 33%, 24 hours storage periods.
According to above-mentioned test result, the hardness of PVC board of the present invention is greater than the hardness of existing PVC board, and PVC board of the present invention is not out of shape at 90 DEG C, and existing PVC board has at 90 DEG C and is slightly out of shape, and illustrates that the resistance to elevated temperatures of PVC board of the present invention is good.
In addition, compared to existing technology, the per-cent that PVC waste material accounts for whole raw material has exceeded 85%, and PVC waste material obtains by reclaiming, and therefore, can reduce costs, environmental protection.In this PVC board process of production, relative to prior art, the process eliminating high-temperature mixing and cool rapidly, production method of the present invention, because adding a large amount of PVC waste materials, therefore, only needs to mix under the temperature environment of about 65 DEG C, therefore, save the large energy required for heating and cooling, thus reduce cost, in addition, from production process, operation before extruding is simplified, and this improves production efficiency.
Claims (5)
1.PVC sheet material, is characterized in that: according to weight percent meter, is prepared from by following raw material:
PVC waste material 84%-86%
Calcium powder 7%-8%
Stablizer 0.8%-1.1%
Foaming control agent 3.5%-4%
Yellow foaming 0.15%-0.3%
White hair bubble 0.4%-0.7%
PE wax 0.05%-0.25%
OK60 0.2%-0.4%
OA6 0.15%-0.3%
ACM 1%-1.7% 。
2. PVC board according to claim 1, is characterized in that: the weight percent of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stablizer 0.9%
Foaming control agent 3.7%
Yellow foaming 0.25%
White hair bubble 0.6%
PE wax 0.1%
OK60 0.3%
OA6 0.25%
ACM 1.4% 。
3. produce a method for PVC board as claimed in claim 1, it is characterized in that comprising the steps:
(1) raw material is mixed at 60-70 DEG C;
(2) be sent in forcing machine by the raw material mixed and foam, then extrude through extrusion die, the temperature controlling forcing machine is 170-190 DEG C, and the temperature passing into the water coolant of extrusion die is 10-15 DEG C;
(3) molten materials leaving extrusion die is cooled, formation PVC board of shaping.
4. the method for production PVC board according to claim 3, is characterized in that: carry out deburring and cut-out to PVC board.
5. the method for production PVC board according to claim 3, is characterized in that: the weight percent of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stablizer 0.9%
Foaming control agent 3.7%
Yellow foaming 0.25%
White hair bubble 0.6%
PE wax 0.1%
OK60 0.3%
OA6 0.25%
ACM 1.4% 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410608536.1A CN104312048B (en) | 2014-11-03 | 2014-11-03 | PVC board and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410608536.1A CN104312048B (en) | 2014-11-03 | 2014-11-03 | PVC board and production method |
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| CN104592687A (en) * | 2015-02-04 | 2015-05-06 | 梁伯行 | PVC (polyvinyl chloride) board and production method thereof |
| CN105001557A (en) * | 2015-08-08 | 2015-10-28 | 孙禹 | Method for preparing building formwork through waste PVC plastic steel material |
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| US6015612A (en) * | 1992-08-31 | 2000-01-18 | Andersen Corporation | Polymer wood composite |
| CN1648158A (en) * | 2004-12-24 | 2005-08-03 | 华南理工大学 | A kind of wood-plastic composite material and preparation method thereof |
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| CN104592687A (en) * | 2015-02-04 | 2015-05-06 | 梁伯行 | PVC (polyvinyl chloride) board and production method thereof |
| CN105001557A (en) * | 2015-08-08 | 2015-10-28 | 孙禹 | Method for preparing building formwork through waste PVC plastic steel material |
| CN105001557B (en) * | 2015-08-08 | 2018-04-20 | 孙禹 | The method that discarded PVC plastic steel material prepares building template |
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| CN104312048B (en) | 2016-11-23 |
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