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Polyphenylene sulfide composite material and preparation method thereof

A technology of composite materials and polyphenylene sulfide, which is applied in the field of polyphenylene sulfide composite materials and its preparation, can solve the problems of low mechanical strength, low thermal conductivity of materials, low mechanical properties of composite materials, etc., and achieve good thermal conductivity and The effect of mechanical properties and simple operation

Active Publication Date: 2012-07-11
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are certain studies at home and abroad, and there are reports abroad that PPS and metal powder and metal fiber composite materials have the advantage of excellent electrical and thermal conductivity, but the material has low mechanical strength and poor fluidity; Liu Yunchun in China has studied PPS and oxidation. The performance and application of aluminum thermally conductive composite materials, when the mass fraction of alumina is 70%, the thermal conductivity of the composite material is 2.3W / (m.K), and the mechanical properties of the composite material are not high. Qin Bixun et al. studied PPS and The thermal conductivity of the magnesium oxide composite material, the thermal conductivity of the obtained composite material is not high, and the Chinese patent CN101225231A discloses a preparation method of insulating and thermally conductive glass fiber reinforced PPS, mainly composed of PPS resin and inorganic insulating and thermally conductive fillers, but The thermal conductivity of the material prepared by this method is not high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A thermally conductive polyphenylene sulfide material consists of the following components by weight:

[0039] Polyphenylene sulfide resin 20

[0040] Thermally conductive graphite (black, powdery, particle size is 1000 mesh) 50

[0041] Fiberglass 10

[0042] POE 17

[0043] Antioxidant 330 0.2

[0044] Antioxidant S-9228 0.2

[0045] Titanate coupling agent TTS 0.4

[0046] Silicone lubricant 1.2

[0047] White powder EBS 0.6

[0048] Powdered white talc 0.4

[0049] (1) Dry 35 parts of polyphenylene sulfide resin at 130°C for 2-4 hours;

[0050] (2) Dilute 0.4 parts of coupling agent 3 to 5 times, add it to 50 parts of thermal conductive filler in the high-speed mixer by spraying, mix at high speed for 30 minutes, then raise the temperature to 100°C, mix for another 30 minutes and take it out , dry at 120°C for 2 hours;

[0051] (3) Add the dried polyphenylene sulfide and the mixture obtained in step (2) to a high-speed mixer, add 17 parts of elastomers, 10...

Embodiment 2

[0056] A thermally conductive polyphenylene sulfide material consists of the following components by weight:

[0057] Polyphenylene sulfide resin 32

[0058]Thermally conductive graphite (black, powdery, particle size is 1000 mesh) 40

[0059] carbon fiber 20

[0060] POE 5

[0061] Antioxidant 330 0.2

[0062] Antioxidant S-9228 0.2

[0063] Aluminum-titanium composite coupling agent HW-133 0.4

[0064] Silicone lubricant 1.2

[0065] White powder EBS 0.6

[0066] Powdered white talc 0.4

[0067] (1) Dry 32 parts of polyphenylene sulfide resin at 130°C for 2-4 hours;

[0068] (2) Dilute 0.4 parts of coupling agent 3 to 5 times, add it to 40 parts of thermally conductive filler in a high-speed mixer by spraying, mix at high speed for 30 minutes, then raise the temperature to 100°C, mix for another 30 minutes and take it out , dry at 120°C for 2 hours;

[0069] (3) Add the dried polyphenylene sulfide and the mixture obtained in step (2) to a high-speed mixer, add 5 pa...

Embodiment 3

[0074] A thermally conductive polyphenylene sulfide material consists of the following components by weight:

[0075] Polyphenylene sulfide resin 35

[0076] Thermally conductive graphite (black, powdery, particle size is 1000 mesh) 25

[0077] carbon fiber 35

[0078] Modified PS 2

[0079] Antioxidant 330 0.2

[0080] Antioxidant S-9228 0.2

[0081] Aluminum-titanium composite coupling agent HW-133 0.4

[0082] Silicone lubricant 1.2

[0083] White powder EBS 0.6

[0084] Powdered white talc 0.4

[0085] (1) Dry 35 parts of polyphenylene sulfide resin at 130°C for 2-4 hours;

[0086] (2) Dilute 0.4 parts of coupling agent 3 to 5 times, add it to 20 parts of thermally conductive filler in the high-speed mixer by spraying, mix at high speed for 30 minutes, then raise the temperature to 100°C, mix for another 30 minutes and take it out , dry at 120°C for 2 hours;

[0087] (3) Add the dried polyphenylene sulfide and the mixture obtained in step (2) to a high-speed mixe...

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Abstract

The invention discloses a polyphenylene sulfide composite material and a preparation method of the composite material, belonging to the technical field of macromolecular material. The polyphenylene sulfide composite material disclosed by the invention comprises following components in parts by weight: 20-35 parts of polyphenylene sulfide resin, 25-50 parts of heat-conducting filler, 10-35 parts of reinforcing fiber, 2-17 parts of elastomer, 0.2-1 parts of antioxidant, 0.3-0.8 parts of coupling agent, 1-2 parts of lubricant, 0.5-1 parts of dispersant and 0.2-0.5 parts of nucleating agent. The invention also discloses a preparation method of the polyphenylene sulfide composite material. The preparation method of the invention is simple; and the polyphenylene sulfide composite material has good heat conductivity and mechanical property.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a polyphenylene sulfide composite material and a preparation method thereof. Background technique [0002] Compared with metal materials, the poor thermal conductivity of polymer materials limits its application in some fields. However, due to the advantages of light weight, low price and corrosion resistance of polymer materials, people hope to develop high thermal conductivity materials. Molecular materials to expand their range of applications. At present, the research on thermally conductive polymer materials is mainly concentrated on filled thermally conductive polymer composite materials. High thermally conductive materials facilitate the heat conduction and heat dissipation of the system and improve the reliability of electronic products. , multi-functional development, put forward higher requirements on the thermal conductivity of electronic compone...

Claims

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Application Information

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IPC IPC(8): C08L81/02C08K13/06C08K9/06C08K9/04C08K3/04C08K3/22C08K3/28C08K3/38C08K7/14C08K7/06B29B9/06B29C47/92B29C48/92
Inventor 郭雪晴
Owner HEFEI GENIUS NEW MATERIALS
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