Ethylene-propylene-diene monomer and fluororubber compound sealing gasket material and preparation method thereof
A technology of EPDM rubber and composite gasket, applied in the field of rubber composite material processing, can solve the problems of low strength, unsatisfactory sealing effect, poor wear resistance, etc. Effect
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[0009] The present invention will be described in detail below through specific examples.
[0010] A EPDM fluororubber composite gasket material, made of the following parts by weight (kg) of raw materials: EPDM (4045) 100, fluororubber 10, zinc oxide 4, magnesium oxide 8, poly Myristyl acrylate 13, p-tert-butylphenol formaldehyde resin 10, zinc stearate 3, N660 carbon black 40, spray carbon black 45, accelerator CBS 0.5, accelerator M1, accelerator DM2, modified attapulgite 10;
[0011] The modified attapulgite is made of the following parts by weight (kg) of raw materials: attapulgite 20, clay 20, 1,6-hexamethylene diisocyanate 3, tripropylene glycol diacrylate 4, alum 5, iron ore Residue 1, polytetrafluoroethylene 4, silane coupling agent KH-5502, silicon carbide 4, zinc oxide 8, 2,6-di-tert-butyl-p-cresol 1, pepper seed oil 1; the preparation method is attapulgite , Clay and iron slag are mixed and put into a calciner at 700-720℃ for 3-4 hours, cooled, soaked in 10-12% hydroc...
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