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Long glass fiber reinforced electrically and thermally conductive polyphenylene sulfide composite material and preparation method thereof

A composite material, polyphenylene sulfide technology, applied in the direction of coating, etc., to achieve the effect of easy process control, simple formula and consistent arrangement

Active Publication Date: 2013-01-30
上海事升新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But PPS is the same as other plastics, the main difference from metal is its insulation and power-saving performance, which limits its ability to replace metal in some fields

Method used

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  • Long glass fiber reinforced electrically and thermally conductive polyphenylene sulfide composite material and preparation method thereof
  • Long glass fiber reinforced electrically and thermally conductive polyphenylene sulfide composite material and preparation method thereof
  • Long glass fiber reinforced electrically and thermally conductive polyphenylene sulfide composite material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Adopt pultrusion method to make 40 parts (parts by weight, the same below) PPS resin, PPS is cross-linked polyphenylene sulfide, and the weight average molecular weight is greater than 3.0*10 5 , 60 parts of continuous long carbon fiber (pitch-based carbon fiber filament), 0.5 part of silane coupling agent KH590, 0.3 part of antioxidant (composed of 0.15 part of antioxidant 1010, 0.15 part of antioxidant 168), 0.5 part of silicone powder Made of long carbon fiber reinforced PPS resin masterbatch;

[0039] 50 parts of PPS resin, PPS is cross-linked polyphenylene sulfide, the weight average molecular weight is greater than 3.0*10 5 , 50 parts of high thermal conductivity graphite, 0.5 parts of silane coupling agent KH590, 0.3 parts of antioxidant (composed of 0.15 parts of antioxidant 1010, 0.15 parts of antioxidant 168), 0.5 parts of silicone powder, 0.5 parts of oxidized polyethylene wax Mix evenly, extrude and granulate through a twin-screw extruder to make conductive...

Embodiment 2

[0044] Adopt pultrusion method to make 60 parts (parts by weight, the same below) PPS resin, PPS is cross-linked polyphenylene sulfide, and the weight average molecular weight is greater than 3.0*10 5 , 40 parts of continuous long carbon fiber (pitch-based carbon fiber filament), 0.5 part of silane coupling agent KH590, 0.4 part of antioxidant (composed of 0.2 part of antioxidant 1098, 0.2 part of antioxidant 168), 0.5 part of pentaerythritol stearin Ester made of long carbon fiber reinforced PPS resin masterbatch;

[0045] 65 parts of PPS resin, PPS is cross-linked polyphenylene sulfide, the weight average molecular weight is greater than 3.0*10 5 , 35 parts of high thermal conductivity carbon black, 0.5 part of silane coupling agent KH590, 0.4 part of antioxidant (composed of 0.2 part of antioxidant 1098, 0.2 part of antioxidant 168), 0.5 part of pentaerythritol stearate, 0.5 part of oxidation Polyethylene wax, mixed evenly, extruded and granulated by a twin-screw extruder ...

Embodiment 3

[0050] Adopt pultrusion method to make 80 parts (parts by weight, the same below) PPS resin, PPS is cross-linked polyphenylene sulfide, and the weight average molecular weight is greater than 3.0*10 5 , 20 parts of continuous long carbon fiber (pitch-based carbon fiber filament), 0.5 part of silane coupling agent KH590, 0.3 part of antioxidant (composed of 0.15 part of antioxidant 1076, 0.15 part of antioxidant 168), 0.5 part of pentaerythritol stearin Ester made of long carbon fiber reinforced PPS resin masterbatch;

[0051] 80 parts of PPS resin, PPS is cross-linked polyphenylene sulfide, the weight average molecular weight is greater than 3.0*10 5 , 20 parts of high thermal conductivity carbon black, 0.5 part of silane coupling agent KH590, 0.3 part of antioxidant (composed of 0.15 part of antioxidant 1076, 0.15 part of antioxidant 168), 0.5 part of pentaerythritol stearate, 0.3 part of oxidation Polyethylene wax, mixed evenly, extruded and granulated by a twin-screw extru...

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Abstract

The invention, belonging to the technical field of polyphenylene sulfide (PPS) composite material, discloses a long glass fiber reinforced electrically and thermally conductive polyphenylene sulfide composite material and a preparation method thereof. The composite material disclosed herein comprises the following ingredients: 30-80 weight parts of long glass fiber reinforced PPS masterbatch, and 20-70 weight parts of electrically and thermally conductive masterbatch, wherein the long glass fiber reinforced PPS masterbatch comprises 40-80 weight parts of PPS, 20-60 weight parts of continuous long glass fiber, 0.5-2 weight parts of first coupling agent, 0.3-0.5weight parts of first antioxidant, and 0.5-1 weight parts of first processing aid; and the electrically and thermally conductive masterbatch comprises 50-80 weight parts of PPS, 20-50 weight parts of electrically and thermally conductive agent, 0.5-2 weight parts of second coupling agent, 0.3-0.5 weight parts of second antioxidant, and 0.5-1 weight parts of processing aid. The preparation method disclosed herein comprises the following steps: mixing 30-80 weight parts of long glass fiber reinforced PPS masterbatch and 20-70 weight parts of electrically and thermally conductive masterbatch to prepare the long glass fiber reinforced thermal insulation polyphenylene sulfide composite material. The composite material disclosed herein has excellent thermal conducting property and mechanical property.

Description

technical field [0001] The invention belongs to the technical field of polyphenylene sulfide composite materials, and relates to a long carbon fiber reinforced polyphenylene sulfide composite material with electrical and heat conduction and a preparation method thereof. Background technique [0002] Carbon fiber is a new type of high-performance fiber reinforced material, which has many excellent properties such as high strength, high modulus, high temperature resistance, wear resistance, corrosion resistance, fatigue resistance, creep resistance, electrical conductivity, thermal conductivity and far-infrared radiation. It can reduce the weight of components in the form of composite materials, thereby improving the technical performance of components. It has been widely used in high-tech fields such as aerospace, new textile machinery, petrochemical industry, medical equipment, automobile, machinery manufacturing, construction industry, stationery, telecommunications, electr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02C08K13/04C08K7/06C08K13/06C08K9/06C08K3/04C08K7/00C08J3/22B29B9/06B29B15/14
Inventor 章园红
Owner 上海事升新材料有限公司
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