A kind of high temperature resistant fiber reinforced insulating material and its preparation method
A technology of high temperature resistant fiber and reinforced insulation, which is applied in the field of composite materials, can solve the problems of hard material, can not reach long-term use, endure extreme conditions, high brittleness, etc., achieve good high temperature resistance and mechanical strength, and is suitable for large The effect of large-scale industrial application and strong practicability
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Embodiment 1
[0021] (1) Weigh 50 parts of chloroprene rubber, 40 parts of EPDM rubber, 40 parts of styrene-butadiene transparent impact resin, 35 parts of polycarbonate resin, 35 parts of methylparaben, 35 parts of methylparaben, and 35 parts of xylylene peroxide according to parts by weight 30 parts of acyl, 25 parts of linear low density polypropylene, 20 parts of polyimide fiber, 15 parts of polydimethyldiphenyl siloxane, 10 parts of hydroxy silicone oil, 10 parts of silica, titanate coupling agent 5 parts, 5 parts of p-phenylenediamine.
[0022] (2) Mix chloroprene rubber, EPDM rubber, polyimide fiber, polydimethyldiphenylsiloxane, and hydroxy silicone oil, add it to a kneader, and knead at 95° C. for 5 minutes.
[0023] (3) Add white carbon black, titanate coupling agent and p-phenylenediamine to the mixed mixture, place it in a ball mill and grind it uniformly, then add linear low-density polypropylene and continue mixing to obtain a mixture.
[0024] (4) Add styrene-butadiene trans...
Embodiment 2
[0027] (1) Weigh 60 parts of chloroprene rubber, 45 parts of EPDM rubber, 50 parts of styrene-butadiene transparent impact resin, 40 parts of polycarbonate resin, 40 parts of methylparaben, 40 parts of methylparaben, and 40 parts of xylylene peroxide according to parts by weight 35 parts of acyl, 30 parts of linear low density polypropylene, 25 parts of polyimide fiber, 20 parts of polydimethyldiphenyl siloxane, 13 parts of hydroxy silicone oil, 13 parts of silica, aluminate coupling agent 10 parts, 7 parts of 2,6-di-tert-butyl-4-methylphenol.
[0028] (2) Neoprene rubber, EPDM rubber, polyimide fiber, polydimethyldiphenylsiloxane, and hydroxy silicone oil were mixed, added to a kneader, and kneaded at 100° C. for 7 minutes.
[0029] (3) Add white carbon black, aluminate coupling agent, 2,6-di-tert-butyl-4-methylphenol to the mixed mixture, put it in a ball mill and grind it uniformly, and then add linear low density polymer Propylene continues to be mixed to obtain a mixture...
Embodiment 3
[0033] (1) Weigh 65 parts of neoprene rubber, 55 parts of EPDM rubber, 55 parts of styrene-butadiene transparent impact resin, 45 parts of polycarbonate resin, 45 parts of methylparaben, 45 parts of methylparaben, and 45 parts of xylylene peroxide according to parts by weight 40 parts of acyl, 35 parts of linear low density polypropylene, 30 parts of polyimide fiber, 25 parts of polydimethyldiphenyl siloxane, 15 parts of hydroxy silicone oil, 15 parts of white carbon black, 15 parts of bimetallic coupling agent parts, 10 parts of dihydroquinoline.
[0034] (2) Mix chloroprene rubber, EPDM rubber, polyimide fiber, polydimethyldiphenylsiloxane, and hydroxy silicone oil, add it to a kneader, and knead at 105° C. for 10 minutes.
[0035] (3) Add silica, bimetallic coupling agent and dihydroquinoline to the kneaded mixture, place it in a ball mill for uniform ball milling, and then add linear low-density polypropylene to continue mixing to obtain a mixture.
[0036] (4) Add styren...
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