High temperature resistance rubber material for vehicles
A rubber material, high temperature resistant technology, applied in the chemical characteristics of fibers, textiles and papermaking, rayon manufacturing, etc., can solve the problems of difficult hardness, air permeability, reduced mechanical properties, heavy processing pollution, etc., and achieves good application prospects , the effect of reducing mechanical properties and simple preparation method
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[0013] A high-temperature-resistant rubber material for automobiles, prepared from the following raw materials in parts by weight (kg): polyacrylonitrile 24, graphite 12, fly ash microbeads 3, sodium lauryl sulfate 0.7, liquid nitrile rubber 42 , methacrylic acid 0.6, nitrile rubber 52, styrene-butadiene rubber 20, hard calcium borate 17, benzoyl peroxide 0.4, vulcanizing agent PDM2, liquid paraffin 2, antioxidant D1, ditetradecyl alcohol ester 1, clay 13 , pyrophyllite powder 7, magnesium stearate 1.
[0014] The high-temperature-resistant rubber material for automobiles is prepared through the following specific steps:
[0015] (1) Add colemanite and absolute ethanol to the flask according to the liquid-solid ratio of 1:2, then add colemanite 5wt% stearic acid, mix and stir evenly, slowly raise the temperature to 75°C and keep it at a constant temperature for 70 minutes, and react After the end, add clay to mix and stir evenly, then filter the slurry while it is hot, dry it...
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