Silicone rubber environment-friendly and flame-retardant cable material used for rail locomotive vehicle
A technology for flame-retardant cable materials and rail locomotives, applied in the field of cable materials, can solve the problems of polluting the environment and hindering the timely escape of escape personnel, and achieves the effects of low smoke generation, good flame retardant performance, and excellent physical and mechanical properties.
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[0012] A silicone rubber flame-retardant cable material for rail vehicles, made of the following raw materials in parts by weight: methyl vinyl phenyl silicone rubber 55, bisphenol A polyarylate 45, vinyl tributylketoxime silane 2 , 2,5-dimethyl-2,5-bis(tert-butyl peroxide)hexane 3, lignin phenolic resin 8, hydroxyapatite 10, sodium antimonate 6, calcium aluminate 8, hexamethyl Disilazane 4, diphenylsilanediol 3, wood tar 11, tris(trimethylsilane) phosphite 16, pentaerythritol tetraisocaprylate 12, spray carbon black 22, benzyl silicone oil 4, oxidation Polyethylene wax 6, zinc stearate 2.5, modified stone powder 16, N-(4-anilinophenyl)methacrylamide 2, N,N'-di-n-butylthiourea 1.5;
[0013] The preparation method of the modified stone powder is as follows: (1) Weigh coke gemstones, volcanic stones, and attapulgite at a weight ratio of 6:4:2, mix them uniformly, calcinate at 750°C for 2 hours, cool naturally to room temperature, pulverize, and sieve , stand-by; (2) getting the...
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