CN111073287A - Low-warpage and high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material and preparation method thereof - Google Patents
Low-warpage and high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material and preparation method thereof Download PDFInfo
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- CN111073287A CN111073287A CN201911288660.3A CN201911288660A CN111073287A CN 111073287 A CN111073287 A CN 111073287A CN 201911288660 A CN201911288660 A CN 201911288660A CN 111073287 A CN111073287 A CN 111073287A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/02—Polythioethers; Polythioether-ethers
Abstract
The invention discloses a carbon fiber polyphenylene sulfide composite material with low warpage and high mechanical property and a preparation method thereof; the polyphenylene sulfide composite material comprises the following components in parts by weight: 40.0-80.0 parts of polyphenylene sulfide resin, 10.0-50.0 parts of flat carbon fiber, 0.5-1.0 part of coupling agent, 0.2-1.0 part of nucleating agent, 0.2-0.4 part of antioxidant and 0.2-0.4 part of lubricant. Compared with the common carbon fiber reinforced polyphenylene sulfide composite material with a circular section in the current market, the flat carbon fiber reinforced polyphenylene sulfide composite material has the advantages of high mechanical property and electrical conductivity, good performance of stable size and low warpage, increased application added value of polyphenylene sulfide, and can be used in the field with high requirement on flatness.
Description
Technical Field
The invention relates to a carbon fiber reinforced polyphenylene sulfide composite material, in particular to a carbon fiber reinforced polyphenylene sulfide composite material with low warpage and high mechanical property and a preparation method thereof, which is a carbon fiber reinforced polyphenylene sulfide composite material with simple process and high requirements on mechanical property, conductivity and flatness.
Background
Polyphenylene sulfide is a high-performance engineering plastic with excellent crystallization performance, has excellent heat resistance, chemical corrosion resistance and flame retardance, but the mechanical performance of a single polyphenylene sulfide material is not ideal enough, so that the application range of the polyphenylene sulfide material is limited, and in order to meet the requirements of different fields, the polyphenylene sulfide is generally further modified to enable electronic appliances, automobiles, mechanical equipment and precise instruments to be widely applied. However, in recent years, in some applications such as the field of replacing steel with plastics, higher and higher requirements are provided for the mechanical property, the electrical conductivity, the dimensional accuracy and the flatness of a polyphenylene sulfide product, a composite material is prepared by filling the polyphenylene sulfide with carbon fibers with circular cross sections, the mechanical property and the electrical conductivity of the polyphenylene sulfide product are solved, but the method cannot meet the relevant requirements for the product with higher flatness requirement, and some inventors select and add part of warping prevention agents (such as glass beads) to improve the flatness of the composite material, but the effect is not obvious, and the mechanical property of the composite material and the mechanical property of the product are influenced.
Therefore, in order to improve the flatness requirement of the carbon fiber reinforced polyphenylene sulfide product, further research needs to be strengthened, and a carbon fiber reinforced polyphenylene sulfide composite material with excellent dimensional stability and flatness is developed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a carbon fiber reinforced polyphenylene sulfide composite material with low warpage and high mechanical property and a preparation method thereof
The technical scheme adopted by the invention for solving the technical problems is as follows:
a low-warpage high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material is composed of the following raw materials in percentage by weight:
polyphenylene sulfide: 40-80%;
flat carbon fibers: 10-50%;
coupling agent: 0.5-1.0%;
nucleating agent: 0.2-1%;
antioxidant: 0.2 to 0.4 percent;
lubricant: 0.2 to 0.4 percent.
In the carbon fiber reinforced polyphenylene sulfide composite material with low warpage and high mechanical property,
the polyphenylene sulfide resin is linear polyphenylene sulfide, and the melt flow rate is 500-800g/10 min.
The length of the flat carbon fiber is 6mm, and the length-diameter ratio of the cross section is 4:1, and is treated with a silane coupling agent. The preparation method of the flat carbon fiber comprises the following steps: preparing polyacrylonitrile spinning solution, filtering and metering the demonomerized and defoamed polyacrylonitrile spinning solution, extruding the solution through a spinning nozzle to form a spinning trickle, feeding the spinning nozzle used in the production process into a coagulating bath for coagulation forming, drafting, washing, drying and densifying to obtain flat polyacrylonitrile precursor for high-performance carbon fibers, oxidizing, carbonizing at low temperature and high temperature, sizing and silanizing, then rolling to obtain flat carbon fibers, and cutting the flat carbon fibers into short flat carbon fibers with the diameter of 6 mm.
The coupling agent is one or a mixture of more of gamma-glycidoxypropyltrimethoxysilane (KH560), N- β - (aminoethyl) -gamma-aminopropylmethyldimethoxysilane (coupling agent 602), aminoethylaminopropyltriethoxysilane (KH793), titanate coupling agent isopropyl Tristearate Titanate (TTS), bis (dioctyloxypyrophosphate) ethylene titanate (titanate coupling agent 311) or aluminum-titanium composite coupling agent.
The nucleating agent is talcum powder with the mesh number of more than or equal to 10000 meshes;
the antioxidant is one or a mixture of more of tetra [ methyl- β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester (antioxidant 1010), β - (3, 5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate (antioxidant 1076), 1,3, 5-trimethyl-2, 4, 6-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) benzene (antioxidant 330), tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 168) or bis (2, 4-dicumylphenyl) pentaerythritol diphosphite (antioxidant S9228).
The lubricant is silicone lubricant.
The carbon fiber reinforced polyphenylene sulfide composite material with low warpage and high mechanical property and the preparation method thereof comprise the following steps:
1) weighing the raw materials according to the weight ratio;
2) putting the raw materials except the carbon fiber into a high-speed mixer for dry mixing for 3-5 min;
3) feeding the substance obtained in the step 2) into a double-screw extruder through a main feeder, and adding carbon fibers into a side feeding port of the double-screw extruder;
4) extruding, cooling, granulating and drying the substance obtained in the step 3), wherein the rotating speed of the double-screw extruder is 300-400 r.p., the temperatures of the 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃ and the machine head is 290-300 ℃.
The invention has the advantages that:
1. the carbon fiber with the flat section is used for the modified composite material, and compared with the carbon fiber modified polyphenylene sulfide composite material with the round section, the carbon fiber modified polyphenylene sulfide composite material has the advantages of better dimensional stability, lower warping degree and more excellent flatness.
Detailed Description
The technical features of the present invention will be further described with reference to the following embodiments.
In the embodiment of the invention, polyphenylene sulfide is provided for Zhejiang new composition, the model is 1150, and the melt index is 500-; the length of the flat carbon fiber is 6mm, the tensile strength is 4.0GPa, the tensile modulus is 230GPa, the bulk density is 350g/l, and the flat carbon fiber is provided by a high-performance laboratory of the university of Donghua; the chopped carbon fiber (abbreviated as round carbon fiber) having a round carbon fiber shape was a 6 mm-long chopped round rod-shaped carbon fiber supplied by Korea TYM, and had a tensile strength of 4.0GPa, a tensile modulus of 230GPa, and a density of 1.78g/cm3(ii) a The bulk density was 350 g/l. The silane coupling agent is KH 560; the lubricant is silicone master batch provided by German Wake; the antioxidant is the antioxidant with the trade name of 1076; the nucleating agent is talcum powder with 10000 meshes.
Example 1:
(1) 77.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(2) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(3) 20% by weight of flat carbon fibers were fed through a twin-screw side feed port.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Example 2:
(1) weighing 72.9% of polyphenylene sulfide, 0.3% of KH 5601.0%, 0.3% of antioxidant, 0.3% of lubricant and 0.5% of nucleating agent according to the weight ratio.
(2) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(3) Adding 25% by weight of flat carbon fibers from a double-screw side feeding port.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Example 3:
(1) 67.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(2) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(3) 30% by weight of flat carbon fibers were fed through a double-screw side feed port.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Example 4:
(1) 62.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(2) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(3) 35% by weight of flat carbon fibers were fed through the twin-screw side feed inlet.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Example 5:
(1) 57.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(2) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(3) 40% by weight of flat carbon fibers were fed through the twin-screw side feed inlet.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Comparative example 1:
(4) 77.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(5) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(6) 20 percent of round carbon fiber by weight is added from a feeding port at the side of the double screw.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Comparative example 2:
(6) weighing 72.9% of polyphenylene sulfide, 0.3% of KH 5601.0%, 0.3% of antioxidant, 0.3% of lubricant and 0.5% of nucleating agent according to the weight ratio.
(7) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(8) Adding 25% round carbon fiber by weight into the double-screw side feeding port.
(9) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(10) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Comparative example 3:
(4) 67.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(5) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(6) 30 percent of circular carbon fiber by weight is added from a feeding port at the side of the double screw.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Comparative example 4:
(1) 62.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(2) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(3) Adding 35% by weight of round carbon fiber from a feeding port at the side of the double screw.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Comparative example 5:
(1) 57.9 percent of polyphenylene sulfide, 0.3 percent of KH 5601.0 percent of antioxidant, 0.3 percent of lubricant and 0.5 percent of nucleating agent are weighed according to the weight ratio.
(2) The raw materials are put into a high-speed mixer to be blended for 5 minutes and then are added from the main feeding port of a double-screw extruder.
(3) Adding 40% of round carbon fiber by weight into the double-screw side feeding port.
(4) And extruding and granulating the materials by a double-screw extruder, wherein the temperatures of 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃, the head is 290-300 ℃, the rotating speed is 380r.p.m, and the mixture is subjected to composite treatment such as shearing, melting and the like in the double-screw extruder.
(5) And (4) extruding, cooling, granulating and drying the substance obtained in the step (4).
Comparison of the performance tests was carried out on the samples prepared according to the examples and comparative examples, the tensile performance test being carried out according to ISO 527-2, the test specimen size being 150 x 10 x 4mm, the tensile speed being 50 mm/min; bending performance testing was performed according to ISO 178, with a sample size of 80 x 10 x 4mm and a bending speed of 2 mm/min; impact strength of the simply supported beam was according to ISO 179, sample size 55 × 6 × 4; the melt flow index is tested according to ISO 1183 by adopting an ISO test standard, the surface resistance is tested by a quick 4990 surface resistance meter, the warpage is evaluated by a feeler gauge test, the test method comprises the steps of firstly beating a plate by a mould, wherein the size of the mould is 150mm x 100mm x 2mm, and the warpage is compared by a test plate at the same position. The test properties are shown in table 1 below.
Table 1 shows the test data of examples 1 to 3 and comparative examples 1 to 3
As can be seen from the table, the mechanical properties and the electrical conductivity of the polyphenylene sulfide reinforced by the flat carbon fibers are basically consistent with those of the polyphenylene sulfide reinforced by the round carbon fibers, but the warping degree of the flat carbon fiber reinforced polyphenylene sulfide composite material product is obviously smaller than that of the round carbon fiber reinforced polyphenylene sulfide composite material product, namely the flatness of the polyphenylene sulfide plate reinforced by the flat carbon fibers is obviously better than that of the round carbon fiber reinforced polyphenylene sulfide.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and is not intended to limit the invention. Several equivalent variations, which can be made by a person skilled in the art without departing from the inventive concept, are to be considered within the scope of the invention.
Claims (9)
1. A low-warpage and high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material is characterized in that: the composite material consists of the following raw materials in percentage by weight:
polyphenylene sulfide: 40-80%;
flat carbon fibers: 10-50%;
coupling agent: 0.5-1.0%;
nucleating agent: 0.2-1%;
antioxidant: 0.2 to 0.4 percent;
lubricant: 0.2 to 0.4 percent.
2. The low-warpage high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material as claimed in claim 1, wherein: the polyphenylene sulfide resin is linear polyphenylene sulfide, and the melt flow rate is 500-800g/10 min.
3. The low-warpage high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material as claimed in claim 1, wherein: the length of the flat carbon fiber is 6mm, and the length-diameter ratio of the cross section is 4:1, and is treated with a silane coupling agent.
4. The low-warpage high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material as claimed in claim 3, wherein: the preparation method of the flat carbon fiber comprises the following steps: preparing polyacrylonitrile spinning solution, filtering and metering the demonomerized and defoamed polyacrylonitrile spinning solution, extruding the solution through a spinning nozzle to form a spinning trickle, feeding the spinning nozzle used in the production process into a coagulating bath for coagulation forming, drafting, washing, drying and densifying to obtain flat polyacrylonitrile precursor for high-performance carbon fibers, oxidizing, carbonizing at low temperature and high temperature, sizing and silanizing, then rolling to obtain flat carbon fibers, and cutting the flat carbon fibers into short flat carbon fibers with the diameter of 6 mm.
5. The carbon fiber reinforced polyphenylene sulfide composite material with low warpage and high mechanical property as claimed in claim 1, wherein the coupling agent is one or more selected from gamma-glycidoxypropyltrimethoxysilane (KH560), N- β - (aminoethyl) -gamma-aminopropylmethyldimethoxysilane (coupling agent 602), aminoethylaminopropyltriethoxysilane (KH793), titanate coupling agent isopropyl Tristearate Titanate (TTS), bis (dioctyloxypyrophosphate) ethylenetitanate (titanate coupling agent 311) or aluminum-titanium composite coupling agent.
6. The low-warpage high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material as claimed in claim 1, wherein: the nucleating agent is talcum powder with the mesh number of more than or equal to 10000 meshes.
7. The carbon fiber reinforced polyphenylene sulfide composite material with low warpage and high mechanical property as claimed in claim 1, wherein the antioxidant is one or more selected from tetrakis [ methyl- β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester (antioxidant 1010), n-octadecyl β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (antioxidant 1076), 1,3, 5-trimethyl-2, 4, 6-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) benzene (antioxidant 330), tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 168) or bis (2, 4-dicumylphenyl) pentaerythritol diphosphite (antioxidant S-9228).
8. The low-warpage high-mechanical-property carbon fiber reinforced polyphenylene sulfide composite material as claimed in claim 1, wherein: the lubricant is silicone lubricant.
9. The method for preparing the carbon fiber reinforced polyphenylene sulfide composite material with low warpage and high mechanical property according to any one of claims 1 to 8, wherein the method comprises the following steps: the method comprises the following steps:
1) weighing the raw materials according to the weight ratio;
2) putting the raw materials except the carbon fiber into a high-speed mixer for dry mixing for 3-5 min;
3) feeding the substance obtained in the step 2) into a double-screw extruder through a main feeder, and adding carbon fibers into a side feeding port of the double-screw extruder;
4) extruding, cooling, granulating and drying the substance obtained in the step 3), wherein the rotating speed of the double-screw extruder is 300-400 r.p., the temperatures of the 1-6 areas of the double-screw extruder are 240-250 ℃, 270-280 ℃, 285-290 ℃, 300-310 ℃, 310-320 ℃, 300-310 ℃ and the machine head is 290-300 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113025040A (en) * | 2021-03-09 | 2021-06-25 | 上海普利特伴泰材料科技有限公司 | PPS (polyphenylene sulfide) special plastic capable of being used for conductive columns in lithium battery cover plate assembly |
| CN113980467A (en) * | 2021-12-17 | 2022-01-28 | 上海普利特伴泰材料科技有限公司 | Conductive composite PPS material and preparation method thereof |
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| CN102140233A (en) * | 2011-02-18 | 2011-08-03 | 金发科技股份有限公司 | Low warpage liquid crystal polymer composition and preparation method thereof |
| JP2014145006A (en) * | 2013-01-28 | 2014-08-14 | Tosoh Corp | High-strength polyarylenesulfide-based composition |
| CN103205821A (en) * | 2013-04-27 | 2013-07-17 | 东华大学 | Preparation method of moisture-absorption flat polyacrylonitrile fiber |
| JP2018035354A (en) * | 2016-08-29 | 2018-03-08 | 東レ株式会社 | Polyphenylene sulfide resin composition, and molding comprising the same |
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| CN113025040A (en) * | 2021-03-09 | 2021-06-25 | 上海普利特伴泰材料科技有限公司 | PPS (polyphenylene sulfide) special plastic capable of being used for conductive columns in lithium battery cover plate assembly |
| CN113980467A (en) * | 2021-12-17 | 2022-01-28 | 上海普利特伴泰材料科技有限公司 | Conductive composite PPS material and preparation method thereof |
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