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
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[0034] Example 1
[0035] The components and parts by weight are as follows:
[0036] Polyphenylene sulfide 20 parts
[0037] MgO powder 50 parts
[0038] MgO whiskers 10 parts
[0039] POE elastomer 10 parts
[0040] Non-alkali non-twisted glass fiber 10 parts
[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 a high-speed mixer, stir at 80~120℃ for 10~45min; 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 uniformly; the resulting mixture is added from the hopper of the extruder, and 10 parts of alkali-free and twist-free glass fibers are added from the glass fiber port , After melt extrusion, granulation, the insulation and thermal conductivity polyphenylene sulfide composite material is prepared.
Example Embodiment
[0045] Example 2
[0046] The components and parts by weight are as follows:
[0047] 30 parts of polyphenylene sulfide
[0048] MgO powder 40 parts
[0049] MgO whiskers 10 parts
[0050] POE elastomer 10 parts
[0051] Non-alkali non-twisted glass fiber 10 parts
[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 a high-speed mixer, stir at 80~120℃ for 10~45min; then add 30 parts of polyphenylene sulfide to the high-speed mixer And add 10 parts of POE elastomer, 0.5 part of antioxidant ST-3611, 1 part of silicone powder and mix uniformly; the resulting mixture is added from the hopper of the extruder, and 10 parts of alkali-free and twist-free glass fiber are made of glass fiber It is added into the mouth, melted and extruded, and pelletized to prepare an insulating and thermally conductive polyphenylene sulfide composite mate...
Example Embodiment
[0056] Example 3
[0057] The components and parts by weight are as follows:
[0058] Polyphenylene sulfide 40 parts
[0059] 30 servings of MgO powder
[0060] MgO whiskers 10 parts
[0061] POE elastomer 10 parts
[0062] Non-alkali non-twisted glass fiber 10 parts
[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 a high-speed mixer, stir at 80~120℃ for 10~45min; 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 uniformly; the resulting mixture is added from the hopper of the extruder, and 10 parts of alkali-free and twist-free glass fibers are added from the glass fiber port , After melt extrusion, granulation, the insulation and thermal conductivity polyphenylene sulfide composite material is prepared.
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