CN104312048B - PVC board and production method - Google Patents
PVC board and production method Download PDFInfo
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- CN104312048B CN104312048B CN201410608536.1A CN201410608536A CN104312048B CN 104312048 B CN104312048 B CN 104312048B CN 201410608536 A CN201410608536 A CN 201410608536A CN 104312048 B CN104312048 B CN 104312048B
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- pvc
- pvc board
- bubble
- raw material
- stabilizer
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 21
- 238000001125 extrusion Methods 0.000 claims abstract description 20
- 238000005187 foaming Methods 0.000 claims abstract description 19
- 239000003381 stabilizer Substances 0.000 claims abstract description 15
- 206010049865 Achromotrichia acquired Diseases 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
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- -1 Azide Compound Chemical class 0.000 description 1
- 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
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 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
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- 229920000642 polymer Polymers 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
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
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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
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- 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
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- 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
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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
- 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
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- 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 kind of PVC board and production method, PVC board is prepared from by PVC waste material, the calcium powder of 7% 8%, the stabilizer of 0.8% 1.1%, the foaming control agent of 3.5% 4%, the yellow hair bubble of 0.15 0.3%, the poliosis bubble of 0.4% 0.7%, the PE wax of 0.05% 0.25%, the OK60 of 0.2% 0.4%, the OA6 of 0.15% 0.3%, the ACM of 1% 1.7% of 84% 86%.Production method is low-temperature mixed, extrusion, cooling and shaping.The hardness utilizing the PVC board that the method produces is high, fire protecting performance is good, resistance to elevated temperatures is good, and this production method is energy-conservation, low cost, and efficiency is high.
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 substantially plank sheathing, but plank sheathing is the loss to natural resources,
And easily rot, the number of times of recycling is few, it is impossible to again recycled, and therefore, present plank sheathing is moulded the most substantially
Material template is substituted.At the initial stage of plastic formwork research, the raw material that basic employing is as new in resin, additive etc., causes material to become
This and manufacturing cost are high.Later, people began one's study and added waste material in additive to produce template.
As being the special of 2013.7.24 in Application No. 201310191688.1 filing date 2013.5.22 Shen Qing Publication day
Profit document discloses a kind of composite plastic template and preparation method thereof, and concrete machine describes this composite plastic template by up and down
Surface hard layer and middle foaming layer composition, wherein in middle foaming layer, PVC waste material accounts for about 47%.
Its preparation method includes that the material of mixing is heated to 115-130 DEG C is cooled to 40-50 DEG C the most rapidly, is finally extruded into
Type.In the patent documentation that Application No. 201410019562.0 filing date 2014.1.16 Shen Qing Publication day is 2014.5.14
Also disclose that a kind of high rigidity PVC building Wood-plastic formwork and preparation method thereof, disclose the material of mixing in preparation method
It is heated to 105-120 DEG C and is cooled to less than 50 DEG C the most rapidly, last extrusion molding.In Application No. 201010276115.5 Shen
Please day be 2010.9.9 Shen Qing Publication day be 2011.1.12 patent documentation in also disclose that a kind of wood plastic building mould, and public
Opened raw material through high-temperature mixing, cooling, extruded obtain this wood plastic building mould.
In above-mentioned disclosed document, the percentage ratio that waste material accounts for whole raw material is little, and the cost causing material is high, and is manufacturing
During, raw material is required for cooling down the most rapidly could extrude through high-temperature mixing, and in liter gentle cooling procedure, is required for
Consume substantial amounts of energy so that production cost is high, and the shaping efficiency of sheet material is low.
Summary of the invention
The first object of the present invention is to provide a kind of hardness height, fire protecting performance is good, resistance to elevated temperatures is good, the PVC of low cost
Sheet material.
The second object of the present invention is to provide the production method of a kind of PVC board, utilizes the PVC board that the method produces
Hardness is high, fire protecting performance is good, resistance to elevated temperatures is good, and this production method is energy-conservation, low cost, and efficiency is high.
For reaching above-mentioned first purpose, PVC board, in percentage by weight, it is prepared from the following materials:
PVC waste material 84%-86%
Calcium powder 7%-8%
Stabilizer 0.8%-1.1%
Foaming control agent 3.5%-4%
Yellow hair bubble 0.15%-0.3%
Poliosis 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 percentage by weight of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stabilizer 0.9%
Foaming control agent 3.7%
Yellow hair bubble 0.25%
Poliosis bubble 0.6%
PE wax 0.1%
OK60 0.3%
OA6 0.25%
ACM 1.4%。
For reaching above-mentioned second purpose, a kind of method producing PVC board, comprise the steps:
(1) by raw material at 60-70 DEG C of mix homogeneously；
(2) raw material of mix homogeneously being sent in extruder foaming, the most extruded die head is extruded, and controls extruder
Temperature is 170-190 DEG C, and the temperature of the cooling water being passed through extrusion die is 10-15 DEG C；
(3) fused materials leaving extrusion die is cooled down, formation PVC board of shaping.
Further, PVC board is carried out deburring and cut-out.
Further, the percentage by weight of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stabilizer 0.9%
Foaming control agent 3.7%
Yellow hair bubble 0.25%
Poliosis 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, PVC waste material accounts for the percentage ratio of whole raw material and has exceeded 85%, and
PVC waste material is obtained by recovery, accordingly, it is capable to reduce cost, environmental protection；This PVC board is tested, its Shore durometer number
More than 77.1, hardness is high；Its fire-protection rating meets UL94V-0 rank requirement；Temperature be 90 DEG C of humidity be 33% environment in put
The test result obtained after putting 24 hours is, sample does not find the sign of deformation, and color and luster is normal, and its resistance to elevated temperatures is good.?
During producing this PVC board, relative to prior art, eliminate high-temperature mixing and the process cooled down rapidly, the life of the present invention
Product method is because adding substantial amounts of PVC waste material, therefore it may only be necessary to mix under the temperature environment of about 65 DEG C, therefore, and joint
Save the big energy required for heating and cooling, thus reduce cost, it addition, the work from the point of view of production process, before extrusion
Sequence is simplified, and this improves production efficiency.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further elaborated.
PVC board by the PVC waste material of 84%-86%, the calcium powder of 7%-8%, the stabilizer of 0.8%-1.1%, 3.5%-4% send out
Bubble regulator, the yellow hair bubble of 0.15-0.3%, the poliosis bubble of 0.4%-0.7%, the PE wax of 0.05%-0.25%, 0.2%-0.4%
The ACM of OA6,1%-1.7% of OK60,0.15%-0.3% is prepared from, and above percentage ratio is all weight percentage.
Wherein, stabilizer is compound Pb stabilizer or calcium zinc class stabilizer.Yellow hair bubble is azo diformazan phthalein amine, azo two
Isobutyl is fine, nitroso group foaming agent or phthalein fat class foaming agent；Poliosis bubble is sodium bicarbonate, ammonium hydrogen carbonate, ammonium carbonate or Azide
Compound.Described OK60 is silicon dioxide flatting silica, and described OA6 is Tissuemat E wetting agent, and described ACM is modified propanoic acid
Esters polymer.
Embodiment 1.
(1) by 0.8% stabilizer, the foaming control agent of 3.5%, the yellow hair bubble of 0.15%, the poliosis bubble of 0.4%, 0.05%
PE wax, the OK60 of 0.2%, the OA6 of 0.15%, the ACM of 1%, the PVC waste material of 86%, 7.75% calcium powder at 70 DEG C of mix homogeneously.
(2) raw material of mix homogeneously being sent directly in extruder foaming, the most extruded die head is extruded, and controls extrusion
The temperature of machine is 170-190 DEG C, and the temperature of the cooling water being passed through extrusion die is 10-15 DEG C.
(3) cool down the fused materials leaving extrusion die, shaping forms the PVC board that upper and lower surface is smooth.
(4) PVC board is carried out deburring and cut-out.
Embodiment 2.
(1) by 1.1% stabilizer, the foaming control agent of 4%, 0.3% yellow hair bubble, 0.7% poliosis bubble, the PE of 0.25%
Wax, the OK60 of 0.4%, the OA6 of 0.3%, the ACM of 1.7%, the PVC waste material of 84.25%, 7 % calcium powder at 60-70 DEG C of mix homogeneously.
(2) raw material of mix homogeneously being sent directly in extruder foaming, the most extruded die head is extruded, and controls extrusion
The temperature of machine is 170-190 DEG C, and the temperature of the cooling water being passed through extrusion die is 10-15 DEG C.
(3) cool down the fused materials leaving extrusion die, shaping forms the PVC board that upper and lower surface is smooth.
(4) PVC board is carried out deburring and cut-out.
Embodiment 3.
(1) by 1.1% stabilizer, the foaming control agent of 4%, 0.2% yellow hair bubble, 0.5% poliosis bubble, the PE of 0.2%
Wax, the OK60 of 0.3%, the OA6 of 0.2%, the ACM of 1.5%, the PVC waste material of 84%, 8 % calcium powder at 60-70 DEG C of mix homogeneously.
(2) raw material of mix homogeneously being sent directly in extruder foaming, the most extruded die head is extruded, and controls extrusion
The temperature of machine is 170-190 DEG C, and the temperature of the cooling water being passed through extrusion die is 10-15 DEG C.
(3) cool down the fused materials leaving extrusion die, shaping forms the PVC board that upper and lower surface is smooth.
(4) PVC board is carried out deburring and cut-out.
Embodiment 4.
(1) by 0.9% stabilizer, the foaming control agent of 3.7%, the yellow hair bubble of 0.25%, the poliosis bubble of 0.6%, 0.1%
PE wax, the OK60 of 0.3%, the OA6 of 0.25%, the ACM of 1.4%, the PVC waste material of 85.5%, the calcium powder of 7 % mix all at 60-70 DEG C
Even.
(2) raw material of mix homogeneously being sent directly in extruder foaming, the most extruded die head is extruded, and controls extrusion
The temperature of machine is 170-190 DEG C, and the temperature of the cooling water being passed through extrusion die is 10-15 DEG C.
(3) cool down the fused materials leaving extrusion die, shaping forms the PVC board that upper and lower surface is smooth.
(4) PVC board is carried out deburring and cut-out.
The PVC board produced by above-described embodiment compares with the performance of existing PVC board, and result is as follows:
The condition of above-mentioned high temperature resistant test is different except temperature, and other condition is humidity 33%, 24 hours standing times.
According to above-mentioned test result, the hardness of the PVC board of the present invention is more than the hardness of existing PVC board, the present invention's
PVC board is not deformed at 90 DEG C, and existing PVC board has at 90 DEG C and slightly deforms, and the resistance to height of the PVC board of the present invention is described
Warm nature can be good.
Additionally, compared to existing technology, PVC waste material accounts for the percentage ratio of whole raw material and has exceeded 85%, and PVC waste material is to pass through
Recovery obtains, accordingly, it is capable to reduce cost, environmental protection.During producing this PVC board, relative to prior art, eliminate height
Temperature is mixing and the process that cools down rapidly, and the production method of the present invention is because adding substantial amounts of PVC waste material, therefore it may only be necessary to 65
Mix under temperature environment about DEG C, therefore, save the big energy required for heating and cooling, thus reduce into
This, it addition, from the point of view of production process, the operation before extrusion is simplified, and this improves production efficiency.
Claims (5)
1.PVC sheet material, it is characterised in that: in percentage by weight, it is prepared from the following materials:
PVC waste material 84%-86%
Calcium powder 7%-8%
Stabilizer 0.8%-1.1%
Foaming control agent 3.5%-4%
Yellow hair bubble 0.15%-0.3%
Poliosis 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%。
PVC board the most according to claim 1, it is characterised in that: the percentage by weight of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stabilizer 0.9%
Foaming control agent 3.7%
Yellow hair bubble 0.25%
Poliosis bubble 0.6%
PE wax 0.1%
OK60 0.3%
OA6 0.25%
ACM 1.4%。
3. the method producing PVC board as claimed in claim 1, it is characterised in that comprise the steps:
(1) by raw material at 60-70 DEG C of mix homogeneously；
(2) raw material of mix homogeneously being sent in extruder foaming, the most extruded die head is extruded, and controls the temperature of extruder
For 170-190 DEG C, the temperature of the cooling water being passed through extrusion die is 10-15 DEG C；
(3) fused materials leaving extrusion die is cooled down, formation PVC board of shaping.
The method of production PVC board the most according to claim 3, it is characterised in that: PVC board is carried out deburring and cuts
Disconnected.
The method of production PVC board the most according to claim 3, it is characterised in that: the percentage by weight of each raw material is:
PVC waste material 85.5%
Calcium powder 7%
Stabilizer 0.9%
Foaming control agent 3.7%
Yellow hair bubble 0.25%
Poliosis 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)
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| CN101852004A (en) * | 2010-06-02 | 2010-10-06 | 赵如勇 | Method for processing plastic floor material by utilizing PVC waste material |
| CN102250476A (en) * | 2011-05-19 | 2011-11-23 | 安徽绿能技术研究院 | Bamboo-fiber-based micro-foamed wood-plastic composite material and preparation method thereof |
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