CN108410063B - Modified PP recycled material for automobiles and preparation method thereof - Google Patents
Modified PP recycled material for automobiles and preparation method thereof Download PDFInfo
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- CN108410063B CN108410063B CN201810262676.6A CN201810262676A CN108410063B CN 108410063 B CN108410063 B CN 108410063B CN 201810262676 A CN201810262676 A CN 201810262676A CN 108410063 B CN108410063 B CN 108410063B
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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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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- Compositions Of Macromolecular Compounds (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
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Abstract
The invention provides a modified PP recycled material for automobiles and a preparation method thereof, wherein the preparation raw materials comprise: the material comprises PP homopolymerization wire-drawing grade crushed material, PP homopolymerization injection molding grade crushed material, PP copolymerization washing machine cylinder crushed material, PP copolymerization high-impact sheet grade crushed material and color master. The invention also provides a corresponding preparation method, and the modified PP recycled material for the automobile prepared by the preparation method has the advantages of stable performance and better physical properties such as impact strength, melt index and the like than other single PP material raw materials. The modified PP recycled material can be used for manufacturing impact-resistant parts such as automobile door plates and the like, and can also be used for manufacturing high-impact-resistant parts such as bumpers and the like after further modification. The automobile modification user uses the material and the method provided by the invention for modification, the operation is simple and easy, and the cost is low.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a modified PP (polypropylene) recycled material for automobiles and a preparation method thereof.
Background
Polypropylene (PP for short) is the third most common material in the world after polyethylene and polyvinyl chloride due to its advantages of low density, good heat resistance, balanced mechanical properties, and low cost, and is widely used in the industries of electronics, machinery, daily necessities, and the like. Polypropylene is not only closely related to daily life of people, but also has become an indispensable important material in industrial and agricultural production. The global total consumption of polypropylene is 4230 million tons in 2011, the annual composite growth rate is 4.5 percent, and the global total consumption of polypropylene is predicted to reach 6240 million tons in 2020. However, with the increasing production and consumption of polypropylene, the amount of waste polypropylene generated by huge consumption is increasing every year, and the recovery of the waste polypropylene becomes a serious environmental and social problem. In recent years, the price of polypropylene has floated due to the increasing shortage of petroleum resources, so that the recycling of waste polypropylene is widely concerned and highly regarded by countries all over the world.
Polypropylene is widely used for preparing shell materials of electric appliances, automobile materials or display rack materials and the like, and a large amount of old materials and waste materials exist in each period. A large amount of defective materials or defective products and recycled products are generated in the production process, and the conventional methods for treating the waste materials, the defective products or the recycled products mainly comprise the following methods:
(1) the burning or landfill mode, because it produces harmful gas such as sulfur dioxide, very easily cause environmental pollution in burning the in-process to converge, and adopt the landfill mode, waste land resource, the difficult degradability of the material also can cause very big harm to the environment, this kind of mode is being phased out at present:
(2) the method is characterized in that waste electrical appliance shell materials, defective products or recovered products are simply recycled and grain extracted without any scientific and technical modification, the matrix grade is common plastics, the problem of environmental pollution is solved, the economic value of the defective materials is not fully utilized, and the poor-quality materials flow to the market, so that serious consequences can be generated, and poor-quality products can be generated.
Patent CN 104774391A discloses a waste polypropylene regenerated toughening modification composition and a preparation method thereof, and discloses a target composition prepared by mixing, melting and granulating raw materials of a metallocene polyethylene elastomer, an inorganic nano filler, waste polypropylene, a reinforcing aid R, a compatilizer, a lubricant, an antioxidant and the like. The technical scheme mainly selects the toughening agent and the reinforcing auxiliary agent and adopts a two-step granulation method to obtain the waste polypropylene regenerated composition with high toughness.
Patent CN 102167877A discloses a chain-extended regenerated polypropylene material, which discloses a preparation method of a chain-extended regenerated polypropylene material by taking recycled polypropylene, a grafting agent, a grafting catalyst, a chain extender, an antioxidant and a light stabilizer as materials.
The recycled waste polypropylene is a main raw material of the regenerated polypropylene material, the waste polypropylene has wide sources and large difference, and the polypropylene from different sources often affects the performance of the finally prepared regenerated material, so that the performance levels of the prepared regenerated polypropylene material are uneven. However, in the prior art, the classification and selection of the waste polypropylene raw materials are rarely involved, which is not beneficial to the preparation and practical application of the polypropylene reclaimed material.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a modified PP recycled material for automobiles and a preparation method thereof, aiming at the defects of the prior art. The modified PP recycled material for the automobile has the advantages of stable performance, impact strength, melt index and other physical properties superior to those of other single PP raw materials. The modified PP recycled material can be used for manufacturing impact-resistant parts such as automobile door plates and the like, and can also be used for manufacturing high-impact-resistant parts such as bumpers and the like after further modification. The automobile modification user uses the material and the method provided by the invention for modification, the operation is simple and easy, and the cost is low.
The invention provides a modified PP recycled material for automobiles, which comprises the following raw materials: the material comprises PP homopolymerization wire-drawing grade crushed material, PP homopolymerization injection molding grade crushed material, PP copolymerization washing machine cylinder crushed material, PP copolymerization high-impact sheet grade crushed material and color master.
Preferably, the modified PP recycled material for the automobile comprises the following raw materials in parts by weight: 10-40 parts of PP homopolymerization wire-drawing grade crushed aggregates, 14-40 parts of PP homopolymerization injection molding grade crushed aggregates, 10-50 parts of PP copolymerization washing machine cylinder crushed aggregates, 5-15 parts of PP copolymerization high-impact sheet grade crushed aggregates and 1-2 parts of color master batch.
Further preferably, the modified PP recycled material for automobile comprises the following raw materials in parts by weight: 25-40 parts of PP homopolymerization wire-drawing grade crushed aggregates, 14-35 parts of PP homopolymerization injection molding grade crushed aggregates, 20-50 parts of PP copolymerization washing machine cylinder crushed aggregates, 5-15 parts of PP copolymerization high-impact sheet grade crushed aggregates and 1-2 parts of color master batch.
Still more preferably, the raw materials for manufacturing the modified PP recycled material for automobiles comprise, by weight: 10-40 parts of PP homopolymerization wire-drawing grade crushed aggregates, 14-40 parts of PP homopolymerization injection molding grade crushed aggregates, 10-50 parts of PP copolymerization washing machine cylinder crushed aggregates, 5-15 parts of PP copolymerization high-impact sheet grade crushed aggregates, 1-2 parts of color master and 2-5 parts of composite auxiliary agents.
In a preferred embodiment, the melt index of the comminuted PP homopolymeric wiredrawing grade material is between 6 and 10g/10min and the impact strength is > 3KJ/m3(ii) a The melt index of the PP homopolymerization injection molding grade crushed material is 10-15g/10min, and the impact strength is more than 3.5KJ/m3(ii) a The melt index of the PP copolymerization washing machine cylinder crushed material is 15-25g/10min, and the impact strength is more than 5KJ/m3(ii) a The melt index of the PP copolymerization high impact sheet grade crushed material is 2-5g/10min, and the impact strength is more than 25KJ/m3。
Preferably, the compound auxiliary agent consists of 2, 6-di-tert-butyl-p-cresol and calcium stearate.
In a preferred embodiment, the weight part ratio of the 2, 6-di-tert-butyl-p-cresol to the calcium stearate in the composite auxiliary agent is 1-2: 2-4.
In a preferred embodiment, the weight part ratio of the 2, 6-di-tert-butyl-p-cresol to the calcium stearate in the composite auxiliary agent is 1: 2.
The invention also provides a preparation method of the modified PP recycled material for the automobile, which comprises the following steps:
(1) weighing the raw materials in parts by weight for later use;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder to be heated and melted;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Preferably, the temperature for the heating and melting in step (3) is 220-250 ℃.
Polypropylene materials can be classified into homopolymers and copolymers according to the composition of the monomers involved in the polymerization. The homopolymerized polypropylene material is polymerized by a single propylene monomer, and a molecular chain does not contain an ethylene monomer, so that the regularity of the molecular chain is high, and the material has high crystallinity, high mechanical strength and high heat property, but has poor impact property. The copolymerized polypropylene material is mainly prepared by adding a small amount of ethylene monomer during synthesis for copolymerization, and has high impact strength.
The PP homopolymerization wire-drawing grade crushed material is a material obtained by crushing and ball mill processing the waste material of a wire-drawing grade homopolymerization PP product. Common wiredrawing grade homopolymerized PP products comprise space bags, woven bags, stationery, fishing nets and the like, and the invention selects the materials with the melt index of 6-10g/10min and the impact strength of more than 3KJ/m in the preferred embodiment3The PP homopolymerization wire-drawing grade crushed material.
Crushing and pelletizing PP homopolymer injection molding grade crushed material, namely, waste material of injection molding grade homopolymer PP productAnd (4) processing the obtained material by a mill. Common injection-grade homopolymerized PP products are beverage bottles, microwave ovens, baby feeding bottles and the like, and the invention selects the preferable embodiment with the melt index of 10-15g/10min and the impact strength of more than 3.5KJ/m3PP homopolymerization injection molding grade crushed aggregates.
The PP copolymerization washing machine cylinder crushed material is a material obtained by crushing and ball mill treatment of a washing machine barrel made of recycled copolymerization polypropylene material. In a preferred embodiment, the invention uses a melt index of 15 to 25g/10min and an impact strength of > 5KJ/m3The PP copolymerization washing machine cylinder crushed material.
The PP copolymerized high impact sheet-level crushed material is a material obtained by crushing and ball milling a sheet-level copolymerized polypropylene material with high impact strength. The sheet-grade polypropylene material is a polypropylene sheet with the thickness of about 0.1-2mm which is extruded or calendered after a polypropylene raw material is heated and melted in an extruder or a calender. In a preferred embodiment, the invention uses a melt index of 2 to 5g/10min and an impact strength of > 25KJ/m3The PP copolymerized high impact sheet material is crushed material.
The polypropylene wastes from different sources have different physical and chemical properties, and the modified PP recycled material for the automobile with stable performance is prepared by selecting different raw materials in a specific weight part ratio and fully utilizing the material characteristics of the raw materials. In the research process, the addition of the composite auxiliary agent consisting of 2, 6-di-tert-butyl-p-cresol and calcium stearate can further improve the performance of the regenerated polypropylene material.
The modified PP recycled material for the automobile provided by the invention has the following advantages:
(1) the modified PP recycled material for the automobile has the advantages of stable performance, and better physical properties such as impact strength, melt index and the like than other single PP raw materials;
(2) the preparation method of the modified PP recycled material for the automobile is simple to operate and low in cost;
(3) the modified PP recycled material for the automobile can be used for manufacturing impact-resistant parts such as automobile door plates and the like, and can be further modified to be used for manufacturing high-impact-resistant parts such as bumpers and the like.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
The parameters for each of the comminuted materials used in the embodiments provided herein are as follows: the melt index of the PP homopolymerization wire-drawing-grade crushed material is 6-10g/10min, and the impact strength is more than 3KJ/m3(ii) a The melt index of PP homopolymerization injection molding grade crushed material is 10-15g/10min, and the impact strength is more than 3.5KJ/m3(ii) a The melt index of the crushed PP copolymerization washing machine cylinder is 15-25g/10min, and the impact strength is more than 5KJ/m3(ii) a The melt index of the crushed PP copolymerized high impact sheet material is 2-5g/10min, and the impact strength is more than 25KJ/m3。
Example 1
(1) Weighing the following raw materials in parts by weight: 30 parts of PP homopolymerization wire-drawing grade crushed material, 32 parts of PP homopolymerization injection molding grade crushed material, 27 parts of PP copolymerization washing machine cylinder crushed material, 10 parts of PP copolymerization high-punching sheet grade crushed material and 1 part of black master batch;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 230 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Example 2
(1) Weighing the following raw materials in parts by weight: 40 parts of PP homopolymerization wire-drawing grade crushed aggregates, 14 parts of PP homopolymerization injection molding grade crushed aggregates, 40 parts of PP copolymerization washing machine cylinder crushed aggregates, 5 parts of PP copolymerization high-impact sheet grade crushed aggregates and 1 part of black master batch;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 235 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Example 3
(1) Weighing the following raw materials in parts by weight: 10 parts of PP homopolymerization wire-drawing grade crushed aggregates, 27 parts of PP homopolymerization injection molding grade crushed aggregates, 50 parts of PP copolymerization washing machine cylinder crushed aggregates, 12 parts of PP copolymerization high-impact sheet grade crushed aggregates and 1 part of black master batch;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 230 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Example 4
(1) Weighing the following raw materials in parts by weight: 25 parts of PP homopolymerization wire-drawing grade crushed aggregates, 32 parts of PP homopolymerization injection molding grade crushed aggregates, 27 parts of PP copolymerization washing machine cylinder crushed aggregates, 15 parts of PP copolymerization high-punching sheet grade crushed aggregates, 1 part of black master batch and 2 parts of composite auxiliary agents, wherein the composite auxiliary agents consist of 2, 6-di-tert-butyl-p-cresol and calcium stearate, and the weight part ratio of the 2, 6-di-tert-butyl-p-cresol to the calcium stearate is 1: 2;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 240 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Comparative example 1
(1) Weighing the following raw materials in parts by weight: 50 parts of PP homopolymerization wire-drawing grade crushed aggregates, 10 parts of PP homopolymerization injection molding grade crushed aggregates, 30 parts of PP copolymerization washing machine cylinder crushed aggregates, 30 parts of PP copolymerization high-punching sheet material grade crushed aggregates and 1 part of black master batch;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 230 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Comparative example 2
(1) Weighing the following raw materials in parts by weight: 30 parts of PP homopolymerization wire-drawing grade crushed material, 32 parts of PP homopolymerization injection molding grade crushed material, 27 parts of PP copolymerization washing machine cylinder crushed material, 10 parts of PP copolymerization high-punching sheet grade crushed material, 1 part of black master and 2 parts of composite auxiliary agent, wherein the composite auxiliary agent consists of 2, 6-di-tert-butyl-p-cresol and calcium stearate, and the weight part ratio of the 2, 6-di-tert-butyl-p-cresol to the calcium stearate is 2: 1;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 235 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Comparative example 3
(1) Weighing the following raw materials in parts by weight: 30 parts of PP homopolymerization wire-drawing grade crushed material, 40 parts of PP homopolymerization injection molding grade crushed material, 30 parts of PP copolymerization washing machine cylinder crushed material, 10 parts of PP copolymerization high-impact sheet grade crushed material, 1 part of black master and 2 parts of calcium stearate;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 240 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Comparative example 4
(1) Weighing the following raw materials in parts by weight: 30 parts of PP homopolymerization wire drawing grade crushed material, 32 parts of PP homopolymerization injection molding grade crushed material, 27 parts of PP copolymerization washing machine cylinder crushed material, 10 parts of PP copolymerization high-punching sheet grade crushed material, 1 part of black master batch and 2 parts of 2, 6-di-tert-butyl-p-cresol;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder for heating and melting, wherein the heating and melting temperature is 230 ℃;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
Examples of the experiments
The properties of the regenerated polypropylene material particles prepared in examples 1-4 and comparative examples 1-4 were tested, and the melt Mass Flow Rate (MFR) was measured according to GB/T3682-2000; the detection experiment method of the ash is carried out according to GB/T12670-2008; the test method for testing the impact strength is carried out according to GB/T1843-2008. The detection results are as follows:
| MFR(g/10min) | ash (%) | Impact Strength (KJ/m)3) | |
| Example 1 | 15.00 | 3.08 | 7.5 |
| Example 2 | 12.00 | 4.08 | 4.5 |
| Example 3 | 16.05 | 5.90 | 8.5 |
| Example 4 | 13.20 | 4.75 | 10.0 |
| Comparative example 1 | 8.04 | 4.65 | 3.6 |
| Comparative example 2 | 11.52 | 5.77 | 4.5 |
| Comparative example 3 | 9.05 | 4.20 | 3.2 |
| Comparative example 4 | 9.36 | 5.22 | 3.5 |
The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and the technical scheme also comprises the technical scheme formed by any combination of the technical characteristics. While the foregoing is directed to embodiments of the present invention, it will be appreciated by those skilled in the art that various changes may be made in the embodiments without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (3)
1. The modified PP recycled material for the automobile is characterized by comprising the following raw materials in parts by weight: 25-40 parts of PP homopolymerization wire-drawing grade crushed aggregates, 14-35 parts of PP homopolymerization injection molding grade crushed aggregates, 20-50 parts of PP copolymerization washing machine cylinder crushed aggregates, 5-15 parts of PP copolymerization high-impact sheet grade crushed aggregates and 1-2 parts of color master batch.
2. The method for preparing modified PP recycled material for automobiles according to claim 1, comprising the steps of:
(1) weighing the raw materials for later use;
(2) putting the prepared raw materials into a stirrer for fully stirring;
(3) after the granulator is preheated, putting the stirred raw materials into a granulator by using a feeder to be heated and melted;
(4) and extruding the molten material by a screw, drawing wires, cooling by cooling water, drying, and cutting into granules by a granulator.
3. The method for preparing modified PP recycled material for automobiles as described in claim 2, wherein the temperature for the heating and melting in the step (3) is 220-250 ℃.
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| CN111171454B (en) * | 2020-03-06 | 2023-09-22 | 深圳市丽德宝纸品有限公司 | Anti-aging PP hollow plate and preparation method thereof |
| CN114539678B (en) * | 2022-03-22 | 2023-08-15 | 天津金发新材料有限公司 | Energy-saving regenerated polypropylene composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864110A (en) * | 2010-06-08 | 2010-10-20 | 常州塑金高分子科技有限公司 | Automobile special material produced by utilizing recovered plastic |
| CN104910516A (en) * | 2015-06-15 | 2015-09-16 | 常州塑金高分子科技有限公司 | Special antimicrobial mould-proof low-odor regenerative polypropylene modified material for automobile instrument desk and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101864110A (en) * | 2010-06-08 | 2010-10-20 | 常州塑金高分子科技有限公司 | Automobile special material produced by utilizing recovered plastic |
| CN104910516A (en) * | 2015-06-15 | 2015-09-16 | 常州塑金高分子科技有限公司 | Special antimicrobial mould-proof low-odor regenerative polypropylene modified material for automobile instrument desk and preparation method thereof |
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