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Electric-insulating heat-conducting polyphenyl thioether composite material and preparation method thereof

A composite material and polyphenylene sulfide technology, which are applied in the field of insulating and thermally conductive polyphenylene sulfide composite materials and their preparation, can solve the problems of low thermal conductivity and the like, and achieve simple preparation process, improved continuity, good mechanical properties and processing performance. Effect

Inactive Publication Date: 2012-07-04
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of low thermal conductivity of materials, the object of the present invention is to provide an insulating and thermally conductive polyphenylene sulfide composite material, which has excellent thermal conductivity, good mechanical properties and processing properties

Method used

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  • Electric-insulating heat-conducting polyphenyl thioether composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Components and parts by weight are as follows:

[0036] 20 parts polyphenylene sulfide

[0037] MgO powder 50 parts

[0038] MgO whiskers 10 parts

[0039] POE elastomer 10 parts

[0040] 10 parts non-alkali untwisted glass fiber

[0041] Silane coupling agent 1 part

[0042] Antioxidant ST-3611 0.5 parts

[0043] Silicone powder 1 part

[0044] Put 50 parts of MgO powder, 10 parts of MgO whiskers and 1 part of silane coupling agent into the high-speed mixer, and stir at 80-120°C for 10-45 minutes; then add 20 parts of polyphenylene sulfide into the high-speed mixer, And add 10 parts of POE elastomer, 0.5 parts of antioxidant ST-3611, 1 part of silicone powder and mix evenly; the resulting mixture is added from the hopper of the extruder, and 10 parts of alkali-free and twist-free glass fiber are added from the glass fiber port , through melt extrusion and granulation to prepare insulating and heat-conducting polyphenylene sulfide composite materials.

Embodiment 2

[0046] Components and parts by weight are as follows:

[0047] 30 parts polyphenylene sulfide

[0048] MgO powder 40 parts

[0049] MgO whiskers 10 parts

[0050] POE elastomer 10 parts

[0051]10 parts non-alkali untwisted glass fiber

[0052] Titanate coupling agent 1 part

[0053] Antioxidant ST-3611 0.5 parts

[0054] Silicone powder 1 part

[0055] Put 40 parts of MgO powder, 10 parts of MgO whiskers and 1 part of titanate coupling agent into the high-speed mixer, stir at 80-120°C for 10-45 minutes; then add 30 parts of polyphenylene sulfide into the high-speed mixer , and add 10 parts of POE elastomer, 0.5 parts of antioxidant ST-3611, 1 part of silicone powder and mix evenly; Insulation and heat conduction polyphenylene sulfide composite material is obtained through melt extrusion and granulation.

Embodiment 3

[0057] Components and parts by weight are as follows:

[0058] 40 parts polyphenylene sulfide

[0059] MgO powder 30 parts

[0060] MgO whiskers 10 parts

[0061] POE elastomer 10 parts

[0062] 10 parts non-alkali untwisted glass fiber

[0063] Silane coupling agent 1 part

[0064] Antioxidant ST-36110. 0.5 parts

[0065] Silicone powder 1 part

[0066] Put 30 parts of MgO powder, 10 parts of MgO whiskers and 1 part of silane coupling agent into the high-speed mixer, and stir at 80-120°C for 10-45 minutes; then add 40 parts of polyphenylene sulfide into the high-speed mixer, And add 10 parts of POE elastomer, 0.5 parts of antioxidant ST-3611, 1 part of silicone powder and mix evenly; the resulting mixture is added from the hopper of the extruder, and 10 parts of alkali-free and twist-free glass fiber are added from the glass fiber port , through melt extrusion and granulation to prepare insulating and heat-conducting polyphenylene sulfide composite materials.

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Abstract

The invention belongs to the technical field of high molecular materials, and discloses an electric-insulating heat-conducting polyphenyl thioether composite material and a preparation method thereof. The composite material disclosed by the invention comprises the following components in parts by weight: 20-40 parts of polyphenyl thioether, 40-60 parts of heat-conducting filler, 5-10 parts of toughener, 5-10 parts of glass fiber, 0.5-4 parts of coupling agent, 0.3-1 part of antioxidant and 0.5-2 parts of processing assistant. The preparation method of the composite material comprises the following steps: adding 40-60 parts of heat-conducting filler and 0.5-4 parts of coupling agent into a high-speed mixer, and mixing at 80-120 DEG C for 10-45 minutes; adding the mixture and 20-40 parts of polyphenyl thioether into the high-speed mixer, adding 5-15 parts of toughener, 0.3-1 part of antioxidant and 0.5-2 parts of processing assistant, and evenly mixing; adding the mixture into an extruding machine through a feed hopper, and adding 5-15 parts of glass fiber through a glass fiber port; and carrying out melt extrusion and granulating. The polyphenyl thioether composite material disclosed by the invention has excellent heat-conducting property, and remains favorable mechanical properties and processability.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to an insulating and heat-conducting polyphenylene sulfide composite material and a preparation method thereof. Background technique [0002] With the rapid development of industrial production and science and technology, people put forward newer and higher requirements for thermally conductive materials. In addition to thermal conductivity, materials are expected to have excellent comprehensive properties, such as light weight, easy process, excellent mechanical properties, and durability. Chemical corrosion and excellent electrical insulation properties, etc., and due to the rapid development of the modern information industry, high expectations are placed on the development of electronic equipment in the direction of ultra-thin, light, digital, multi-functional, and networked. Due to the excellent characteristics of light weight, chemical corrosion resistanc...

Claims

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Application Information

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IPC IPC(8): C08L81/02C08K13/06C08K9/06C08K9/04C08K3/22C08K3/34C08K3/28C08K7/08C08K7/10C08K7/06C08K7/14B29B9/06
Inventor 章园红
Owner HEFEI GENIUS NEW MATERIALS
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