Plastic blend friction material and preparation method thereof
A friction material and blending technology, applied in the field of friction materials, can solve the problems of affecting the entry of small molecules or macromolecular chains of monomers, blockage of pores of mesoporous materials, etc., so as to improve friction and wear performance, improve high-temperature friction performance, reduce sticky effect
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[0022] A plastic blended friction material, which is composed of the following raw materials in parts by weight:
[0023] Melamine 37, 37% formaldehyde solution 50, bentonite 4, 8-hydroxyquinoline copper 0.7, nonylphenol 0.1, liquid EPDM rubber 10, sp800.2, epoxy octyl stearate 3, polyvinyl chloride 140, Ethyl orthosilicate 6, triethanolamine 0.2, alkylphenol polyoxyethylene ether 0.3, dihydrocarbyl pentasulfide RC25402, potassium hexatitanate whisker 1, titanate coupling agent kt1050.3, lithium naphthenate 0.1 , Butyltin Mercaptide 0.6, Ammonium Polyphosphate 1, Citric Acid 1, 1,3,5 Trimethylbenzene 0.01.
[0024] A preparation method of the plastic blend friction material, comprising the following steps:
[0025] (1) Add the above-mentioned ammonium polyphosphate into deionized water 10 times its weight, stir evenly, add tetraethyl orthosilicate, raise the temperature to 50°C, add the above-mentioned citric acid, keep stirring for 20 minutes to obtain an aqueous sol solutio...
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