CN107474442A - A kind of PVC board and its preparation technology - Google Patents

A kind of PVC board and its preparation technology Download PDF

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Publication number
CN107474442A
CN107474442A CN201710881065.5A CN201710881065A CN107474442A CN 107474442 A CN107474442 A CN 107474442A CN 201710881065 A CN201710881065 A CN 201710881065A CN 107474442 A CN107474442 A CN 107474442A
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China
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part
pvc board
parts
characterised
kind
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CN201710881065.5A
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Chinese (zh)
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陈健
杨文乾
张建光
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苏州富通高新材料科技股份有限公司
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Priority to CN201710881065.5A priority Critical patent/CN107474442A/en
Publication of CN107474442A publication Critical patent/CN107474442A/en

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-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
    • C08J9/10Working-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
    • C08J9/102Azo-compounds
    • C08J9/103Azodicarbonamide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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
    • C08L27/02Compositions 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
    • C08L27/04Compositions 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
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/04N2 releasing, ex azodicarbonamide or nitroso compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J2327/00Characterised 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
    • C08J2327/02Characterised 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
    • C08J2327/04Characterised 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
    • C08J2327/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a kind of PVC board and its preparation technology, PVC board includes by weight part:40 ~ 60 parts of Corvic, 0.1 ~ 0.5 part of white oil, 2.5 ~ 3 parts of stabilizer, 1 ~ 3 part of titanium dioxide, 0.1 ~ 0.5 part of stearic acid, 0.1 ~ 0.3 part of Tissuemat E, 0.01 ~ 0.5 part of stearic amide, 0.01 ~ 0.2 part of ultraviolet absorber, 0.01 ~ 0.03 part of colouring agent, 0.01 ~ 0.1 part of fluorescent whitening agent OB, 10 ~ 20 parts of activated Calcium carbonate, 10 ~ 20 parts of talcum powder, 0.1 ~ 0.3 part of foaming agent.Cost of the present invention is low, and heat endurance is good, adds rigidity, improves plasticizing quality, improves outward appearance so that section bar is smooth, and weatherability, toughness, uniformity are good.

Description

A kind of PVC board and its preparation technology

Technical field

The present invention relates to plate forming technical field, more particularly to a kind of PVC board and its preparation technology.

Background technology

Polyvinyl chloride, English abbreviation PVC, it is the thermoplastic resin being polymerized by polyethylene under initiator effect.Work The PVC molecular weight of industry production has larger dispersiveness, the reduction of molecular weight with polymerisation temperature typically in the range of 50,000 ~ 120,000 And increase, but it is poor to the stability of light and heat, more than 100 DEG C or through long-time solar exposure, it will decompose and produce chlorination Hydrogen, and further autocatalysis decomposition causes discoloration, physical and mechanical properties also declines rapidly, must be added to help in actual applications Agent is to improve the performance of each side.

PVC plastic sheet material has been popular a kind of novel light body ornament materials in the world today, is very popular Product, PVC plastic sheet material from enter Chinese market since, big and medium-sized cities obtain universal accreditation at home, and use is non- Often extensively.

Following defect be present in existing PVC plastic abnormal shape sheet material:1st, cost is higher;2nd, heat endurance is bad, becomes under low temperature It is hard brittle, easily softening relaxation under high temperature;3rd, processing characteristics, impact resistance, resistance to ag(e)ing are poor;3rd, discharged in production process Harmful substance, produce hazardous waste, finished product can discharge dioxin sour gas at high temperature, its additive in use by Gradually volatilize, pollute air.

The content of the invention

In view of the deficienciess of the prior art, the purpose of the present invention, which is that, provides a kind of PVC board and its preparation work Skill, cost is low, and heat endurance is good, adds rigidity, improves plasticizing quality, improves outward appearance so that section bar is smooth, weatherability, tough Property, uniformity are good.

To achieve these goals, the technical solution adopted by the present invention is such:A kind of PVC board, with components by weight percent Meter includes:40 ~ 60 parts of Corvic, 0.1 ~ 0.5 part of white oil, 2.5 ~ 3 parts of stabilizer, 1 ~ 3 part of titanium dioxide, stearic acid 0.1 ~ 0.5 part, 0.1 ~ 0.3 part of Tissuemat E, 0.01 ~ 0.5 part of stearic amide, 0.01 ~ 0.2 part of ultraviolet absorber, colouring agent 0.01 ~ 0.03 part, 0.01 ~ 0.1 part of fluorescent whitening agent OB, 10 ~ 20 parts of activated Calcium carbonate, 10 ~ 20 parts of talcum powder, foaming agent 0.1 ~ 0.3 Part.

As a kind of preferred scheme, the density of the Corvic is 1.35 ~ 1.45g/cm3, apparent density 0.4 ~0.5 g/cm3

As a kind of preferred scheme, the Corvic is Porous-type PVC Resins, its particle diameter is 0.1 ~ 0.2mm, it is spherical in cotton.

As a kind of preferred scheme, the stabilizer include 2 ~ 7 parts of lead sulfate tribasic, dibasic lead stearate 0.5 ~ 1.5 part.

As a kind of preferred scheme, the colouring agent is ultramarine.

As a kind of preferred scheme, the foaming agent is azodicarbonamide.

A kind of preparation technology of described PVC board, comprises the following steps:

(1)Each component is put into tempering tank according to parts by weight and carries out batch mixing formation mixture;

(2)Mixture is entered in the hopper of extruder, the extrusion molding after the compacting of extruder, melting, mixing homogenizing Mould;

(3)Mould is cooled sizing, and PVC board is pulled out by hauling machine;

(4)The cleaved machine-cut of the PVC board pulled out is cut, and the PVC board of well cutting is examined into storage.

As a kind of preferred scheme, the step(1)Cooling mechanism is provided with middle tempering tank, in tempering tank Material carries out cooling processing.

As a kind of preferred scheme, the step(1)Temperature sensor is provided with middle tempering tank, in tempering tank Material carry out temperature detection.

As a kind of preferred scheme, the step(2)Heating mechanism is provided with middle hopper, for the mixing in hopper Thing carries out temperature control.

Compared with prior art, beneficial effects of the present invention:

1st, heat endurance is good, adds rigidity;

2nd, plasticizing quality is improved, improves outward appearance so that section bar is smooth, and weatherability, toughness, uniformity are good;

3rd, it is nontoxic, dust pollution is small, section bar weld strength is high.

Embodiment

With reference to specific embodiment, the invention will be further described.Following examples are only used for clearly illustrating Technical scheme, and can not be limited the scope of the invention with this.

Embodiment 1:

A kind of PVC board, includes by weight part:40 parts of Corvic, 0.1 part of white oil, 2.5 parts of stabilizer, titanium white 1 part of powder, 0.1 part of stearic acid, 0.1 part of Tissuemat E, 0.01 part of stearic amide, 0.01 part of ultraviolet absorber, colouring agent 0.01 Part, 0.01 part of fluorescent whitening agent OB, 10 parts of activated Calcium carbonate, 10 parts of talcum powder, 0.1 part of foaming agent.

Specifically, the density of the Corvic is 1.35 ~ 1.45g/cm3, apparent density be 0.4 ~ 0.5 g/cm3

Specifically, the Corvic is Porous-type PVC Resins, its particle diameter is 0.1 ~ 0.2mm, in cotton It is spherical.

Specifically, the stabilizer includes 2 parts of lead sulfate tribasic, 0.5 part of dibasic lead stearate.More specifically, Good heat stability, chronicity, electric insulating quality, good weatherability, cost are low.

Specifically, the colouring agent is ultramarine.More specifically, can high temperature resistant (less than 400 DEG C), alkaline-resisting, weatherability and Light resistance is good, extremely stable to Exposure to Sunlight and wind and rain in an atmosphere, there is 7~8 grades of lights resistance of brilliance, non-toxic and safe.

Specifically, the foaming agent is azodicarbonamide.More specifically, to increase elasticity, toughness.

A kind of preparation technology of described PVC board, comprises the following steps:

(1)Each component is put into tempering tank according to parts by weight and carries out batch mixing formation mixture;

(2)Mixture is entered in the hopper of extruder, the extrusion molding after the compacting of extruder, melting, mixing homogenizing Mould;

(3)Mould is cooled sizing, and PVC board is pulled out by hauling machine;

(4)The cleaved machine-cut of the PVC board pulled out is cut, and the PVC board of well cutting is examined into storage.

Specifically, the step(1)Cooling mechanism is provided with middle tempering tank, for being dropped to the material in tempering tank Temperature processing.More specifically, the cooling mechanism in the present invention can use water cooling well known to those skilled in the art, air cooling cooling Deng.

Specifically, the step(1)Temperature sensor is provided with middle tempering tank, for being carried out to the material in tempering tank Temperature detection.

Specifically, the step(2)Heating mechanism is provided with middle hopper, for entering trip temperature to the mixture in hopper Control.More specifically, the heating arrangements in the present invention can use Resistant heating well known to those skilled in the art etc..

Embodiment 2:

A kind of PVC board, includes by weight part:60 parts of Corvic, 0.5 part of white oil, 3 parts of stabilizer, titanium dioxide 3 It is part, 0.5 part of stearic acid, 0.3 part of Tissuemat E, 0.5 part of stearic amide, 0.2 part of ultraviolet absorber, 0.03 part of colouring agent, glimmering 0.1 part of optical brightener OB, 20 parts of activated Calcium carbonate, 20 parts of talcum powder, 0.3 part of foaming agent.

Specifically, the density of the Corvic is 1.35 ~ 1.45g/cm3, apparent density be 0.4 ~ 0.5 g/cm3

Specifically, the Corvic is Porous-type PVC Resins, its particle diameter is 0.1 ~ 0.2mm, in cotton It is spherical.

Specifically, the stabilizer includes 7 parts of lead sulfate tribasic, 1.5 parts of dibasic lead stearate.More specifically, Good heat stability, chronicity, electric insulating quality, good weatherability, cost are low.

Specifically, the colouring agent is ultramarine.More specifically, can high temperature resistant (less than 400 DEG C), alkaline-resisting, weatherability and Light resistance is good, extremely stable to Exposure to Sunlight and wind and rain in an atmosphere, there is 7~8 grades of lights resistance of brilliance, non-toxic and safe.

Specifically, the foaming agent is azodicarbonamide.More specifically, to increase elasticity, toughness.

A kind of preparation technology of described PVC board, comprises the following steps:

(1)Each component is put into tempering tank according to parts by weight and carries out batch mixing formation mixture;

(2)Mixture is entered in the hopper of extruder, the extrusion molding after the compacting of extruder, melting, mixing homogenizing Mould;

(3)Mould is cooled sizing, and PVC board is pulled out by hauling machine;

(4)The cleaved machine-cut of the PVC board pulled out is cut, and the PVC board of well cutting is examined into storage.

Specifically, the step(1)Cooling mechanism is provided with middle tempering tank, for being dropped to the material in tempering tank Temperature processing.More specifically, the cooling mechanism in the present invention can use water cooling well known to those skilled in the art, air cooling cooling Deng.

Specifically, the step(1)Temperature sensor is provided with middle tempering tank, for being carried out to the material in tempering tank Temperature detection.

Specifically, the step(2)Heating mechanism is provided with middle hopper, for entering trip temperature to the mixture in hopper Control.More specifically, the heating arrangements in the present invention can use Resistant heating well known to those skilled in the art etc..

Embodiment 3:

A kind of PVC board, includes by weight part:50 parts of Corvic, 0.3 part of white oil, 2.8 parts of stabilizer, titanium white 2 parts of powder, 0.28 part of stearic acid, 0.2 part of Tissuemat E, 0.25 part of stearic amide, 0.1 part of ultraviolet absorber, colouring agent 0.02 Part, 0.06 part of fluorescent whitening agent OB, 15 parts of activated Calcium carbonate, 15 parts of talcum powder, 0.2 part of foaming agent.

Specifically, the density of the Corvic is 1.35 ~ 1.45g/cm3, apparent density be 0.4 ~ 0.5 g/cm3

Specifically, the Corvic is Porous-type PVC Resins, its particle diameter is 0.1 ~ 0.2mm, in cotton It is spherical.

Specifically, the stabilizer includes 5 parts of lead sulfate tribasic, 1 part of dibasic lead stearate.More specifically, it is hot Excellent in stability, chronicity, electric insulating quality, good weatherability, cost are low.

Specifically, the colouring agent is ultramarine.More specifically, can high temperature resistant (less than 400 DEG C), alkaline-resisting, weatherability and Light resistance is good, extremely stable to Exposure to Sunlight and wind and rain in an atmosphere, there is 7~8 grades of lights resistance of brilliance, non-toxic and safe.

Specifically, the foaming agent is azodicarbonamide.More specifically, to increase elasticity, toughness.

A kind of preparation technology of described PVC board, comprises the following steps:

(1)Each component is put into tempering tank according to parts by weight and carries out batch mixing formation mixture;

(2)Mixture is entered in the hopper of extruder, the extrusion molding after the compacting of extruder, melting, mixing homogenizing Mould;

(3)Mould is cooled sizing, and PVC board is pulled out by hauling machine;

(4)The cleaved machine-cut of the PVC board pulled out is cut, and the PVC board of well cutting is examined into storage.

Specifically, the step(1)Cooling mechanism is provided with middle tempering tank, for being dropped to the material in tempering tank Temperature processing.More specifically, the cooling mechanism in the present invention can use water cooling well known to those skilled in the art, air cooling cooling Deng.

Specifically, the step(1)Temperature sensor is provided with middle tempering tank, for being carried out to the material in tempering tank Temperature detection.

Specifically, the step(2)Heating mechanism is provided with middle hopper, for entering trip temperature to the mixture in hopper Control.More specifically, the heating arrangements in the present invention can use Resistant heating well known to those skilled in the art etc..

Carry out performance test to PVC board made of embodiments of the invention 1 ~ 3, it is heat endurance, rigidity, weatherability, tough Property, uniformity raise successively, and the performance of the PVC board of 3 embodiments is above the PVC board of in the market.

Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation Also it should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of PVC board, it is characterised in that include by weight part:40 ~ 60 parts of Corvic, white oil 0.1 ~ 0.5 Part, 2.5 ~ 3 parts of stabilizer, 1 ~ 3 part of titanium dioxide, 0.1 ~ 0.5 part of stearic acid, 0.1 ~ 0.3 part of Tissuemat E, stearic amide 0.01 ~ 0.5 part, 0.01 ~ 0.2 part of ultraviolet absorber, 0.01 ~ 0.03 part of colouring agent, 0.01 ~ 0.1 part of fluorescent whitening agent OB, activated carbon Sour 10 ~ 20 parts of calcium, 10 ~ 20 parts of talcum powder, 0.1 ~ 0.3 part of foaming agent.
A kind of 2. PVC board according to claim 1, it is characterised in that:The density of the Corvic be 1.35 ~ 1.45g/cm3, apparent density be 0.4 ~ 0.5 g/cm3
A kind of 3. PVC board according to any one of claim 1 or 2, it is characterised in that:The Corvic is Porous-type PVC Resins, its particle diameter is 0.1 ~ 0.2mm, spherical in cotton.
A kind of 4. PVC board according to claim 1, it is characterised in that:The stabilizer includes lead sulfate tribasic 2 ~ 7 Part, 0.5 ~ 1.5 part of dibasic lead stearate.
A kind of 5. PVC board according to claim 1, it is characterised in that:The colouring agent is ultramarine.
A kind of 6. PVC board according to claim 1, it is characterised in that:The foaming agent is azodicarbonamide.
7. the preparation technology of the PVC board described in a kind of claim 1, it is characterised in that comprise the following steps:
(1)Each component is put into tempering tank according to parts by weight and carries out batch mixing formation mixture;
(2)Mixture is entered in the hopper of extruder, the extrusion molding after the compacting of extruder, melting, mixing homogenizing Mould;
(3)Mould is cooled sizing, and PVC board is pulled out by hauling machine;
(4)The cleaved machine-cut of the PVC board pulled out is cut, and the PVC board of well cutting is examined into storage.
8. the preparation technology of PVC board according to claim 7, it is characterised in that:The step(1)Set in middle tempering tank Cooling mechanism is equipped with, for carrying out cooling processing to the material in tempering tank.
9. the preparation technology of PVC board according to claim 7, it is characterised in that:The step(1)Set in middle tempering tank Temperature sensor is equipped with, for carrying out temperature detection to the material in tempering tank.
10. the preparation technology of PVC board according to claim 7, it is characterised in that:The step(2)Set in middle hopper Heating mechanism is equipped with, for carrying out temperature control to the mixture in hopper.
CN201710881065.5A 2017-09-26 2017-09-26 A kind of PVC board and its preparation technology CN107474442A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108586975A (en) * 2018-03-30 2018-09-28 芜湖海螺新材料有限公司 A kind of PVC furniture-plates and preparation method thereof
CN109337254A (en) * 2018-11-01 2019-02-15 浙江同正管道技术有限公司 A kind of PVC-U drainage pipe with smooth inner wall as ceramics

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102229728A (en) * 2011-05-10 2011-11-02 江苏明天材料科技有限公司 Micro-foaming wood plastic composite sheet and preparation method thereof
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
CN102464841A (en) * 2010-11-19 2012-05-23 山东博拓塑业股份有限公司 Hard polyvinyl chloride foamed sheet
CN102477192A (en) * 2010-11-29 2012-05-30 山东博拓塑业股份有限公司 Antistatic polyvinyl chloride foamed board
CN104017309A (en) * 2014-06-20 2014-09-03 无锡市宏宇汽车配件制造有限公司 Polyvinyl chloride low-foaming car plate and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102464841A (en) * 2010-11-19 2012-05-23 山东博拓塑业股份有限公司 Hard polyvinyl chloride foamed sheet
CN102477192A (en) * 2010-11-29 2012-05-30 山东博拓塑业股份有限公司 Antistatic polyvinyl chloride foamed board
CN102229728A (en) * 2011-05-10 2011-11-02 江苏明天材料科技有限公司 Micro-foaming wood plastic composite sheet and preparation method thereof
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
CN104017309A (en) * 2014-06-20 2014-09-03 无锡市宏宇汽车配件制造有限公司 Polyvinyl chloride low-foaming car plate and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108586975A (en) * 2018-03-30 2018-09-28 芜湖海螺新材料有限公司 A kind of PVC furniture-plates and preparation method thereof
CN109337254A (en) * 2018-11-01 2019-02-15 浙江同正管道技术有限公司 A kind of PVC-U drainage pipe with smooth inner wall as ceramics

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Application publication date: 20171215