CN108912490A - High-temperature resistance plastice bag and preparation method thereof - Google Patents
High-temperature resistance plastice bag and preparation method thereof Download PDFInfo
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- CN108912490A CN108912490A CN201810641529.XA CN201810641529A CN108912490A CN 108912490 A CN108912490 A CN 108912490A CN 201810641529 A CN201810641529 A CN 201810641529A CN 108912490 A CN108912490 A CN 108912490A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- -1 polypropylene Polymers 0.000 claims abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004743 Polypropylene Substances 0.000 claims abstract description 20
- 229920001155 polypropylene Polymers 0.000 claims abstract description 20
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000004014 plasticizer Substances 0.000 claims abstract description 17
- 229920000728 polyester Polymers 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 24
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 24
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 19
- 239000004917 carbon fiber Substances 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 12
- 239000000194 fatty acid Substances 0.000 claims description 12
- 229930195729 fatty acid Natural products 0.000 claims description 12
- 239000003365 glass fiber Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 229920002545 silicone oil Polymers 0.000 claims description 12
- IXQGCWUGDFDQMF-UHFFFAOYSA-N o-Hydroxyethylbenzene Natural products CCC1=CC=CC=C1O IXQGCWUGDFDQMF-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 150000001721 carbon Chemical class 0.000 claims description 7
- QWBBPBRQALCEIZ-UHFFFAOYSA-N 2,3-dimethylphenol Chemical compound CC1=CC=CC(O)=C1C QWBBPBRQALCEIZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 229910052570 clay Inorganic materials 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of high-temperature resistance plastice bags and preparation method thereof, wherein the preparation method includes：By extrusion molding after polypropylene, modified carbon fiber, methyl methacrylate, polyester fiber, filler, plasticizer and antioxidant mixing granulation, high-temperature resistance plastice bag is made, it is poor to solve common polybag its high temperature resistance, the problem of often being easy to become soft and deformed under the higher environment of temperature, and then influencing its service performance.
Description
Technical Field
The invention relates to the field of plastic bag preparation, in particular to a high-temperature-resistant plastic bag and a preparation method thereof.
Background
The plastic bag is very widely used in life, but the plastic bag is poor in high-temperature resistance due to the limitation of physical and chemical properties in the using process, and is easy to soften and deform in the environment with higher temperature, so that the using performance of the plastic bag is affected.
Therefore, the invention provides a high-temperature-resistant plastic bag which can effectively resist high temperature, still has hard materials in a high-temperature environment and is not easy to soften and deform, and a preparation method thereof, and aims to solve the problems in need of the invention.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant plastic bag and a preparation method thereof, and solves the problems that the common plastic bag is poor in high-temperature resistance and is easy to soften and deform in a high-temperature environment, and further the use performance of the common plastic bag is influenced.
In order to achieve the above object, the present invention provides a method for manufacturing a high temperature resistant plastic bag, the method comprising: mixing and granulating polypropylene, modified carbon fiber, methyl methacrylate, polyester fiber, filler, plasticizer and antioxidant, and then extruding and molding to prepare a high-temperature-resistant plastic bag; wherein,
the preparation method of the modified carbon fiber comprises the following steps: mixing carbon fibers, glass fibers, a silane coupling agent, silicone oil, propylene glycol fatty acid ester and absolute ethyl alcohol to obtain a mixture M;
respectively carrying out primary heat treatment and secondary heat treatment on the mixture M to obtain modified carbon fibers; wherein, the conditions of the first heat treatment comprise: the temperature is 65-75 deg.C, and the time is 1-5 min; the conditions of the second heat treatment include: the temperature is 30-50 deg.C, and the time is 10-20 min;
relative to 100 parts by weight of carbon fiber, the using amount of glass fiber is 10-18 parts by weight, the using amount of silane coupling agent is 5-8 parts by weight, the using amount of silicone oil is 5-15 parts by weight, the using amount of propylene glycol fatty acid ester is 10-20 parts by weight, and the using amount of absolute ethyl alcohol is 140-160 parts by weight;
the modified carbon fiber is used in 35-70 parts by weight, the methyl methacrylate is used in 25-45 parts by weight, the polyester fiber is used in 5-25 parts by weight, the filler is used in 5-25 parts by weight, the plasticizer is used in 0.5-10 parts by weight, and the antioxidant is used in 1-15 parts by weight, relative to 100 parts by weight of polypropylene.
The invention also provides a high-temperature-resistant plastic bag prepared by the preparation method.
Through the technical scheme, the invention provides a high-temperature-resistant plastic bag and a preparation method thereof, wherein the preparation method comprises the following steps: the high-temperature-resistant plastic bag is prepared by mixing and granulating polypropylene, modified carbon fibers, methyl methacrylate, polyester fibers, a filler, a plasticizer and an antioxidant, and then extruding and molding, and has excellent high-temperature-resistant capacity and no softening deformation under a high-temperature environment through the synergistic effect of the components.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a preparation method of a high-temperature-resistant plastic bag, which comprises the following steps: mixing and granulating polypropylene, modified carbon fiber, methyl methacrylate, polyester fiber, filler, plasticizer and antioxidant, and then extruding and molding to prepare a high-temperature-resistant plastic bag; wherein,
the preparation method of the modified carbon fiber comprises the following steps: mixing carbon fibers, glass fibers, a silane coupling agent, silicone oil, propylene glycol fatty acid ester and absolute ethyl alcohol to obtain a mixture M;
respectively carrying out primary heat treatment and secondary heat treatment on the mixture M to obtain modified carbon fibers; wherein, the conditions of the first heat treatment comprise: the temperature is 65-75 deg.C, and the time is 1-5 min; the conditions of the second heat treatment include: the temperature is 30-50 deg.C, and the time is 10-20 min;
relative to 100 parts by weight of carbon fiber, the using amount of glass fiber is 10-18 parts by weight, the using amount of silane coupling agent is 5-8 parts by weight, the using amount of silicone oil is 5-15 parts by weight, the using amount of propylene glycol fatty acid ester is 10-20 parts by weight, and the using amount of absolute ethyl alcohol is 140-160 parts by weight;
the modified carbon fiber is used in 35-70 parts by weight, the methyl methacrylate is used in 25-45 parts by weight, the polyester fiber is used in 5-25 parts by weight, the filler is used in 5-25 parts by weight, the plasticizer is used in 0.5-10 parts by weight, and the antioxidant is used in 1-15 parts by weight, relative to 100 parts by weight of polypropylene.
In a preferred embodiment of the present invention, in order to obtain a plastic bag having more excellent high temperature resistance, the modified carbon fiber is used in an amount of 40 to 60 parts by weight, the methyl methacrylate is used in an amount of 30 to 40 parts by weight, the polyester fiber is used in an amount of 10 to 20 parts by weight, the filler is used in an amount of 10 to 20 parts by weight, the plasticizer is used in an amount of 1 to 8 parts by weight, and the antioxidant is used in an amount of 2 to 10 parts by weight, based on 100 parts by weight of the polypropylene.
In a preferred embodiment of the present invention, in order to make the plastic bag have more excellent high temperature resistance, the filler is one or more of clay, talc and sodium silicate.
In a preferred embodiment of the present invention, in order to improve the strength of the plastic bag, the antioxidant is one or more of methyl phenol, dimethyl phenol, and ethyl phenol.
In the present invention, the polypropylene and the modified carbon fiber may be of a type conventionally used in the art, for example, in the embodiment of the present invention, the weight average molecular weight of the polypropylene is 10000-.
The present invention will be described in detail below by way of examples.
Example 1
100g of polypropylene, 40g of modified carbon fiber, 30g of methyl methacrylate, 10g of polyester fiber, 10g of clay, 1g of plasticizer and 2g of ethyl phenol are mixed, granulated and extruded to form the high-temperature-resistant plastic bag A1. The preparation method of the modified carbon fiber comprises the following steps: mixing carbon fibers, glass fibers, a silane coupling agent, silicone oil, propylene glycol fatty acid ester and absolute ethyl alcohol to obtain a mixture M;
respectively carrying out primary heat treatment and secondary heat treatment on the mixture M to obtain modified carbon fibers; wherein, the conditions of the first heat treatment comprise: the temperature is 65 ℃ and the time is 1 min; the conditions of the second heat treatment include: the temperature is 30 ℃ and the time is 10 min;
relative to 100g of carbon fiber, the dosage of the glass fiber is 18g, the dosage of the silane coupling agent is 8g, the dosage of the silicone oil is 15g, the dosage of the propylene glycol fatty acid ester is 20g, and the dosage of the absolute ethyl alcohol is 160 g.
Example 2
100g of polypropylene, 60g of modified carbon fiber, 40g of methyl methacrylate, 20g of polyester fiber, 20g of talc, 8g of plasticizer and 10g of methyl phenol are mixed, granulated and extruded to form the high-temperature-resistant plastic bag A2. The preparation method of the modified carbon fiber comprises the following steps: mixing carbon fibers, glass fibers, a silane coupling agent, silicone oil, propylene glycol fatty acid ester and absolute ethyl alcohol to obtain a mixture M;
respectively carrying out primary heat treatment and secondary heat treatment on the mixture M to obtain modified carbon fibers; wherein, the conditions of the first heat treatment comprise: the temperature is 75 ℃, and the time is 5 min; the conditions of the second heat treatment include: the temperature is 50 deg.C, and the time is 20 min;
relative to 100g of carbon fiber, the dosage of the glass fiber is 18g, the dosage of the silane coupling agent is 8g, the dosage of the silicone oil is 15g, the dosage of the propylene glycol fatty acid ester is 20g, and the dosage of the absolute ethyl alcohol is 160 g.
Example 3
100g of polypropylene, 50g of modified carbon fiber, 35g of methyl methacrylate, 15g of polyester fiber, 15g of sodium silicate, 5g of plasticizer and 5g of dimethyl phenol are mixed, granulated and extruded to form the high-temperature-resistant plastic bag A3. The preparation method of the modified carbon fiber comprises the following steps: mixing carbon fibers, glass fibers, a silane coupling agent, silicone oil, propylene glycol fatty acid ester and absolute ethyl alcohol to obtain a mixture M;
respectively carrying out primary heat treatment and secondary heat treatment on the mixture M to obtain modified carbon fibers; wherein, the conditions of the first heat treatment comprise: the temperature is 70 deg.C, and the time is 3 min; the conditions of the second heat treatment include: the temperature is 40 deg.C, and the time is 15 min;
relative to 100g of carbon fiber, the using amount of the glass fiber is 14g, the using amount of the silane coupling agent is 6g, the using amount of the silicone oil is 10g, the using amount of the propylene glycol fatty acid ester is 15g, and the using amount of the absolute ethyl alcohol is 150 g.
Example 4
A high temperature resistant plastic bag A4 was prepared by following the procedure of example 1 except that 100g of polypropylene, 35g of modified carbon fiber, 25g of methyl methacrylate, 5g of polyester fiber, 5g of clay, 0.5g of plasticizer and 1g of ethylphenol were mixed, pelletized and extruded.
Example 5
A high temperature resistant plastic bag A5 was prepared by following the procedure of example 1, except that 100g of polypropylene, 70g of modified carbon fiber, 45g of methyl methacrylate, 25g of polyester fiber, 25g of sodium silicate, 10g of plasticizer and 15g of dimethylphenol were mixed, pelletized and then extrusion-molded.
Comparative example 1
A high temperature resistant plastic bag D1 was prepared by following the procedure of example 1 except that 100g of polypropylene, 25g of modified carbon fiber, 15g of methyl methacrylate, 2g of polyester fiber, 2g of clay, 0.2g of plasticizer and 0.5g of ethylphenol were mixed, pelletized and extruded.
Comparative example 2
A high temperature resistant plastic bag D2 was prepared by following the procedure of example 1, except that 100g of polypropylene, 80g of modified carbon fiber, 55g of methyl methacrylate, 35g of polyester fiber, 35g of sodium silicate, 15g of plasticizer and 20g of dimethylphenol were mixed, pelletized and then extrusion-molded.
Test example 1
The prepared high-temperature-resistant plastic bags A1-A5, D1 and D2 are placed in an environment of 70 ℃, and the deformation condition of the plastic bags is observed.
TABLE 1
From the above table data, it can be seen that plastic bags a1-a5 manufactured within the scope of the present invention were tested without significant or slight deformation and softening, while plastic bags D1 and D2 manufactured outside the scope of the present invention were tested with severe deformation and softening, and plastic bags a1-A3 manufactured within the preferred scope of the present invention had more excellent performance.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (6)
1. The preparation method of the high-temperature-resistant plastic bag is characterized by comprising the following steps: mixing and granulating polypropylene, modified carbon fiber, methyl methacrylate, polyester fiber, filler, plasticizer and antioxidant, and then extruding and molding to prepare a high-temperature-resistant plastic bag; wherein,
the preparation method of the modified carbon fiber comprises the following steps: mixing carbon fibers, glass fibers, a silane coupling agent, silicone oil, propylene glycol fatty acid ester and absolute ethyl alcohol to obtain a mixture M;
respectively carrying out primary heat treatment and secondary heat treatment on the mixture M to obtain modified carbon fibers; wherein, the conditions of the first heat treatment comprise: the temperature is 65-75 deg.C, and the time is 1-5 min; the conditions of the second heat treatment include: the temperature is 30-50 deg.C, and the time is 10-20 min;
relative to 100 parts by weight of carbon fiber, the using amount of glass fiber is 10-18 parts by weight, the using amount of silane coupling agent is 5-8 parts by weight, the using amount of silicone oil is 5-15 parts by weight, the using amount of propylene glycol fatty acid ester is 10-20 parts by weight, and the using amount of absolute ethyl alcohol is 140-160 parts by weight;
the modified carbon fiber is used in 35-70 parts by weight, the methyl methacrylate is used in 25-45 parts by weight, the polyester fiber is used in 5-25 parts by weight, the filler is used in 5-25 parts by weight, the plasticizer is used in 0.5-10 parts by weight, and the antioxidant is used in 1-15 parts by weight, relative to 100 parts by weight of polypropylene.
2. The production method according to claim 1, wherein the modified carbon fiber is used in an amount of 40 to 60 parts by weight, the methyl methacrylate is used in an amount of 30 to 40 parts by weight, the polyester fiber is used in an amount of 10 to 20 parts by weight, the filler is used in an amount of 10 to 20 parts by weight, the plasticizer is used in an amount of 1 to 8 parts by weight, and the antioxidant is used in an amount of 2 to 10 parts by weight, relative to 100 parts by weight of the polypropylene.
3. The method of claim 1, wherein the filler is one or more of clay, talc, and sodium silicate.
4. The method of claim 1, wherein the antioxidant is one or more of methyl phenol, dimethyl phenol, and ethyl phenol.
5. The production method as claimed in claim 1, wherein the weight average molecular weight of the polypropylene is 10000-20000.
6. A high temperature resistant plastic bag, characterized in that it is produced by the production method of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641529.XA CN108912490A (en) | 2018-06-21 | 2018-06-21 | High-temperature resistance plastice bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641529.XA CN108912490A (en) | 2018-06-21 | 2018-06-21 | High-temperature resistance plastice bag and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108912490A true CN108912490A (en) | 2018-11-30 |
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| CN201810641529.XA Pending CN108912490A (en) | 2018-06-21 | 2018-06-21 | High-temperature resistance plastice bag and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330977A (en) * | 2015-12-03 | 2016-02-17 | 芜湖品通塑业科技有限公司 | High-strength plastic bag and preparation method thereof |
| CN105330976A (en) * | 2015-12-03 | 2016-02-17 | 芜湖品通塑业科技有限公司 | Plastic freshness-keeping bag and preparation method thereof |
| CN105924734A (en) * | 2016-06-08 | 2016-09-07 | 铜陵方正塑业科技有限公司 | High-temperature-resistant plastic bag and preparation method thereof |
| CN107828125A (en) * | 2017-11-13 | 2018-03-23 | 安徽申科塑业有限公司 | A kind of environmentally friendly nursery polybag |
-
2018
- 2018-06-21 CN CN201810641529.XA patent/CN108912490A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330977A (en) * | 2015-12-03 | 2016-02-17 | 芜湖品通塑业科技有限公司 | High-strength plastic bag and preparation method thereof |
| CN105330976A (en) * | 2015-12-03 | 2016-02-17 | 芜湖品通塑业科技有限公司 | Plastic freshness-keeping bag and preparation method thereof |
| CN105924734A (en) * | 2016-06-08 | 2016-09-07 | 铜陵方正塑业科技有限公司 | High-temperature-resistant plastic bag and preparation method thereof |
| CN107828125A (en) * | 2017-11-13 | 2018-03-23 | 安徽申科塑业有限公司 | A kind of environmentally friendly nursery polybag |
Non-Patent Citations (2)
| Title |
|---|
| 林师沛，等: "《塑料配置与成型》", 31 October 2004, 化学工业出版社 * |
| 王国全，等: "《聚合物改性》", 31 May 2016, 中国轻工业出版社 * |
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Application publication date: 20181130 |