CN113136077A - PMMA/ASA alloy material and preparation method and application thereof - Google Patents
PMMA/ASA alloy material and preparation method and application thereof Download PDFInfo
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- CN113136077A CN113136077A CN202110354589.5A CN202110354589A CN113136077A CN 113136077 A CN113136077 A CN 113136077A CN 202110354589 A CN202110354589 A CN 202110354589A CN 113136077 A CN113136077 A CN 113136077A
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- pmma
- alloy material
- asa alloy
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 title claims abstract description 53
- 239000004926 polymethyl methacrylate Substances 0.000 title claims abstract description 53
- 239000000956 alloy Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 16
- 239000000806 elastomer Substances 0.000 claims abstract description 14
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 17
- 239000003963 antioxidant agent Substances 0.000 claims description 12
- 230000003078 antioxidant effect Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 229920001897 terpolymer Polymers 0.000 claims description 4
- -1 acrylic ester Chemical class 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- TUZBYYLVVXPEMA-UHFFFAOYSA-N butyl prop-2-enoate;styrene Chemical compound C=CC1=CC=CC=C1.CCCCOC(=O)C=C TUZBYYLVVXPEMA-UHFFFAOYSA-N 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 3
- 230000000996 additive effect Effects 0.000 claims 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 abstract description 10
- 229930182470 glycoside Natural products 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 239000012752 auxiliary agent Substances 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 229920000638 styrene acrylonitrile Polymers 0.000 abstract 3
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 229930182478 glucoside Natural products 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000012257 stirred material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/12—Copolymers of styrene with unsaturated nitriles
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of thermoplastic high polymer materials, and particularly discloses a PMMA/ASA alloy material and a preparation method and application thereof. The PMMA/ASA alloy material comprises the following components in percentage by mass: 15-35% of polymethyl methacrylate; the styrene acrylonitrile is 26-65% of a copolymer of styrene acrylonitrile; 2-5% of styrene maleic acid glycoside copolymer; 15-25% of an acrylate elastomer; 3-5% of a compatilizer; 0.1-2% of a lubricant; 0.1-2% of an auxiliary agent. According to the invention, the ratio of PMMA to SAN resin is optimized, so that the defect of low impact toughness of PMMA resin is reduced, and the high temperature resistance stability of the material is improved; the lubricating property among material molecular chains is improved by preferably selecting a proper lubricating agent system, so that the molecular chain regularity of the material after molding is improved, and the linear expansion coefficient of the material is improved.
Description
Technical Field
The invention belongs to the technical field of thermoplastic high polymer materials, and particularly relates to a PMMA/ASA alloy material and a preparation method and application thereof.
Background
The PMMA/ASA alloy belongs to an amorphous multicomponent mixed alloy material. The high-gloss and high-colorability acrylic acid alloy combines the characteristics of high gloss and high colorability of polymethyl methacrylate, high rigidity of acrylonitrile, good processability of styrene and high toughness of acrylate rubber, and each component in the alloy has excellent weather resistance. Due to the excellent comprehensive performance, the PMMA/ASA alloy material is widely applied to the fields of decorative parts of automobile interior and exterior trim, building materials, shells of electronic and electric appliances and the like. The material can realize the effects of piano black and high weather resistance of products without a spraying process.
Chinese patent publication CN109337272A discloses a PMMA/ASA synthetic resin composition, which has high gloss and good physical and mechanical properties, and realizes high gloss and high dyeing property of alloy materials mainly through resin selection. The Chinese patent publication CN111117129A discloses a blow molding PMMA/ASA alloy material with high melt strength, which realizes the high melt strength of the material through special rubber powder selection and AS resin selection. Chinese patent publication CN111690222A discloses a highly heat-resistant PMMA/ASA alloy material, which is improved in heat resistance by adding a suitable kind of highly heat-resistant resin. For application scenarios of automotive exterior trim, the material is required to have good impact toughness and dimensional stability. Therefore, the impact strength of the material is improved and the linear expansion coefficient of the material is reduced by the design of the formula components of the material and the optimization of the processing process conditions, so that the material has important significance.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention mainly aims to provide a PMMA/ASA alloy material.
The invention also aims to provide a preparation method of the PMMA/ASA alloy material.
The invention further aims to provide application of the PMMA/ASA alloy material in the fields of automobile exterior trim, household appliances and the like.
The purpose of the invention is realized by the following scheme:
a PMMA/ASA alloy material comprises the following components in percentage by mass:
the melt mass flow rate of the PMMA resin is 5-10 g/10min (230 ℃, 3.8 Kg);
preferably, the amount of the PMMA resin is 15 to 35 wt%, and more preferably 20 to 30 wt%.
The PMMA/ASA alloy material is characterized in that: the SAN resin is styrene/acrylonitrile copolymer, and the melt mass flow rate of the SAN resin is 10-20 g/10min (220 ℃, 10Kg)
The addition amount of the SAN resin is 26-65 wt%, wherein the preferred addition amount is 39-49 wt%.
The PMMA/ASA alloy material is characterized in that: the styrene-maleic acid glucoside copolymer (SMA) has a maleic acid glucoside monomer content of more than 20%.
The addition amount of the styrene maleic acid glycoside copolymer (SMA) is 2-5 wt%, and preferably 3 wt%.
The PMMA/ASA alloy material is characterized in that: the acrylate elastomer is an elastomer obtained by copolymerizing (ACM) acrylate serving as a main monomer, the main chain of the acrylate elastomer is a saturated carbon chain, and the side group of the acrylate elastomer is a polar ester group;
the amount of the acrylic elastomer (ACM) added is 15 to 30 wt%, preferably 25 wt%.
The PMMA/ASA alloy material is characterized in that: the compatilizer is ethylene-methyl acrylate-glycidyl methacrylate (EMA-GMA) random terpolymer;
the ethylene-methyl acrylate-glycidyl methacrylate (EMA-GMA) random terpolymer is added in an amount of 3 to 5 wt%, preferably 4 wt%.
The PMMA/ASA alloy material is characterized in that: the lubricant is poly (butyl acrylate-styrene), wherein FC-113 of Aidic is preferred. The butyl acrylate copolymer is introduced mainly to improve the lubricity among molecular chains of the material;
the amount of the lubricant added is 0.1 to 2 wt%, preferably 1 wt%.
The PMMA/ASA alloy material is characterized in that: the auxiliary agent is an antioxidant, toner and the like, and the preferable addition amount is 0.1-1 wt%.
The invention also provides a preparation method of the PMMA/ASA alloy material, which comprises the following steps:
premixing material components of the PMMA/ASA alloy material, adding the material components through a main feeding port of a double-screw extruder, and carrying out melt blending, cooling and granulation to obtain the PMMA/ASA alloy material.
The premixing is preferably carried out in a high-speed stirrer, the mixing temperature is not higher than 60 ℃, the stirring speed is 800-1200 r/min, preferably 1000r/min, and the mixing time is 1-2 min.
The twin screw extruder selected for the present invention was a co-rotating twin screw extruder having a length to diameter ratio of 52/1.
The conditions of the melt blending are preferably that the temperature of each heating section is 200-250 ℃, and the rotating speed of a screw of a main machine is 500-600 r/min.
The PMMA/ASA alloy material has good processing performance, excellent shock resistance and dimensional stability, and can be applied to the fields of automobile exterior decoration, household appliances and the like.
The invention has the characteristics that:
according to the invention, by designing the ratio of PMMA to SAN resin, the defect of low impact toughness of PMMA resin is reduced, and the high temperature resistance stability of the material is improved; the lubricating property among material molecular chains is improved by preferably selecting a proper lubricating agent system, so that the molecular chain regularity of the material after molding is improved, and the linear expansion coefficient of the material is improved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the PMMA/ASA alloy material provided by the invention realizes better balance between the toughness and the processing performance of the material, and improves the application performance of the material;
(2) the PMMA/ASA alloy material has lower linear expansion coefficient, thereby reducing the dimensional stability of products in the application process.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
The reagents used in the examples are commercially available without specific reference.
The following examples were processed in the following specific manner: adding materials weighed according to the following formula into a high-speed stirrer, stirring for 2min, then adding the uniformly stirred materials into a hopper of a parallel double-screw extruder with the length-diameter ratio of 52/1, and setting the temperatures of all sections of the extruder from the hopper to a die head as (nine zones in total): the rotating speed of a screw of a main machine is 500r/min at 200-250 ℃, and the rotating speed of a feeding screw of a hopper is 28r/min, so that the materials are blended, melted and extruded; and cooling the strips through a water tank, air-drying the strips, then cutting the strips into granules by using a granulator, and performing injection molding to obtain the target material.
Example one
PMMA resin (CM-205, Qimei) 20 wt%, SAN resin (SAN PN-127, Qimei) 46 wt%, styrene maleic acid glycoside copolymer (SMA26080, POLYSCOPE)3 wt%, ACM elastomer (ACM-24, Nichikoku) 25 wt%, compatibilizer (PTW, DuPont) 4 wt%, lubricant (FC113, Aidicke) 1 wt%, antioxidant (1076, BASF)0.1 wt%, antioxidant (PEP36, Aidicke) 0.2 wt%, carbon black 0.7 wt%. The components are premixed in a high-speed mixing mill, added from a main feeding port of a double-screw extruder, and subjected to melt blending, strip drawing, water cooling, grain cutting and drying to obtain a target product.
Example two
30 wt% of PMMA resin (CM-205, Qimei), 36 wt% of SAN resin (SAN PN-127, Qimei), 3 wt% of styrene maleic acid glycoside copolymer (SMA26080, POLYSCOPE), 25 wt% of ACM elastomer (ACM-24, Nichikoku chemical), 4 wt% of compatilizer (PTW, DuPont), 1 wt% of lubricant (FC113, Aidicke), 0.1 wt% of antioxidant (1076, BASF), 0.2 wt% of antioxidant (PEP36, Aidicke) and 0.7 wt% of carbon black. The components are premixed in a high-speed mixing mill, added from a main feeding port of a double-screw extruder, and subjected to melt blending, strip drawing, water cooling, grain cutting and drying to obtain a target product.
EXAMPLE III
23 wt% of PMMA resin (CM-205, Qimei), 43 wt% of SAN resin (SAN PN-127, Qimei), 3 wt% of styrene maleic acid glycoside copolymer (SMA26080, POLYSCOPE), 25 wt% of ACM elastomer (ACM-24, Nichikoku), 4 wt% of compatilizer (PTW, DuPont), 1 wt% of lubricant (FC113, Aidicke), 0.1 wt% of antioxidant (1076, BASF), 0.2 wt% of antioxidant (PEP36, Aidicke) and 0.7 wt% of carbon black. The components are premixed in a high-speed mixing mill, added from a main feeding port of a double-screw extruder, and subjected to melt blending, strip drawing, water cooling, grain cutting and drying to obtain a target product.
Example four
25 wt% of PMMA resin (CM-205, Qimei), 51 wt% of SAN resin (SAN PN-127, Qimei), 3 wt% of styrene maleic acid glycoside copolymer (SMA26080, POLYSCOPE), 15 wt% of ACM elastomer (ACM-24, Nichikoku), 4 wt% of compatilizer (PTW, DuPont), 1 wt% of lubricant (FC113, Aidicke), 0.1 wt% of antioxidant (1076, BASF), 0.2 wt% of antioxidant (PEP36, Aidicke) and 0.7 wt% of carbon black. The components are premixed in a high-speed mixing mill, added from a main feeding port of a double-screw extruder, and subjected to melt blending, strip drawing, water cooling, grain cutting and drying to obtain a target product.
Comparative example
59 wt% of PMMA resin (CM-205, Qimei), 40 wt% of ASA resin (A600N, UMG), 0.1 wt% of antioxidant (1076, BASF), 0.2 wt% of antioxidant (PEP36, Adeca) and 0.7 wt% of carbon black. The components are premixed in a high-speed mixing mill, added from a main feeding port of a double-screw extruder, and subjected to melt blending, strip drawing, water cooling, grain cutting and drying to obtain a target product.
TABLE 1 Properties of PMMA/ASA alloy materials
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
2. PMMA/ASA alloy material according to claim 1, characterized in that:
the addition amount of the PMMA resin is 20-30 wt%;
the melt mass flow rate of the PMMA resin is 5-10 g/10 min; 230 ℃ and 3.8 Kg.
3. PMMA/ASA alloy material according to claim 1, characterized in that:
the addition amount of the SAN resin is 39-49 wt%;
the content of maleic anhydride monomer in the SMA is more than 20%.
4. PMMA/ASA alloy material according to claim 1, characterized in that:
the acrylic ester elastomer is an elastomer obtained by copolymerizing acrylic ester serving as a main monomer, the main chain of the elastomer is a saturated carbon chain, and the side group of the elastomer is a polar ester group;
the addition amount of the acrylate elastomer is 25 wt%.
5. PMMA/ASA alloy material according to claim 1, characterized in that:
the compatilizer is ethylene-methyl acrylate-glycidyl methacrylate random terpolymer; the addition amount of the ethylene-methyl acrylate-glycidyl methacrylate random terpolymer is 4 wt%.
6. PMMA/ASA alloy material according to claim 1, characterized in that: the lubricant is poly (butyl acrylate-styrene); the lubricant was added in an amount of 1 wt%.
7. PMMA/ASA alloy material according to claim 1, characterized in that: the other additives are an antioxidant and toner, and the additive amount of the additives is 0.1-1 wt%.
8. The preparation method of the PMMA/ASA alloy material according to any one of claims 1 to 7, which is characterized by comprising the following steps:
premixing material components of the PMMA/ASA alloy material, adding the material components through a main feeding port of a double-screw extruder, and carrying out melt blending, cooling and granulation to obtain the PMMA/ASA alloy material.
9. The method of claim 8, wherein: the premixing is carried out in a high-speed stirrer, the mixing temperature is not higher than 60 ℃, the stirring speed is 800-1200 r/min, and the mixing time is 1-2 min; the twin screw extruder selected was a co-rotating twin screw extruder having a length to diameter ratio of 52/1.
10. The PMMA/ASA alloy material according to any one of claims 1 to 7 is applied to the fields of automobile exterior trim and household appliances.
Priority Applications (1)
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CN202110354589.5A CN113136077A (en) | 2021-04-01 | 2021-04-01 | PMMA/ASA alloy material and preparation method and application thereof |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107501829A (en) * | 2017-07-13 | 2017-12-22 | 宁波泰甬汽车零部件有限公司 | A kind of automobile-used resistance to thermal level exempts to spray PMMA/ASA alloys |
CN109337272A (en) * | 2018-09-13 | 2019-02-15 | 广东锦湖日丽高分子材料有限公司 | A kind of PMMA/ASA alloy resin composition and preparation method thereof |
-
2021
- 2021-04-01 CN CN202110354589.5A patent/CN113136077A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107501829A (en) * | 2017-07-13 | 2017-12-22 | 宁波泰甬汽车零部件有限公司 | A kind of automobile-used resistance to thermal level exempts to spray PMMA/ASA alloys |
CN109337272A (en) * | 2018-09-13 | 2019-02-15 | 广东锦湖日丽高分子材料有限公司 | A kind of PMMA/ASA alloy resin composition and preparation method thereof |
Non-Patent Citations (3)
Title |
---|
柴春鹏等: "《高分子合成材料学》", 31 January 2019, 北京理工大学出版社 * |
王加龙: "《塑料注射成型》", 31 August 2009, 印刷工业出版社 * |
王文广: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
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