Modified ethylene propylene diene monomer composite gasket material, and preparation method thereof
A technology of EPDM rubber and composite gasket, which is applied in the field of modified EPDM composite gasket material and its preparation, can solve the problems of unsatisfactory sealing effect, low strength, poor wear resistance, etc. Low, good mechanical properties, good wear resistance effect
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[0009] The present invention will be described in detail below through specific examples.
[0010] A modified EPDM composite gasket material, made of the following raw materials in parts by weight (kg): EPDM rubber 30, monopolychlorohydrin rubber 52, copolychlorohydrin rubber 12, stearin Zinc acid 4, antioxidant RD1, electric furnace dust 10, silicon powder 2, sulfur 1.5, accelerator DM2, N351 carbon black 35, N660 carbon black 14, dioctyl maleate 10, modified attapulgite 10;
[0011] The modified attapulgite is made of the following raw materials in parts by weight (kg): attapulgite 20, clay 13, 1,6-hexamethylene diisocyanate 4, tripropylene glycol diacrylate 2, light calcium carbonate 2 , zinc oxide 1, wollastonite powder 3, magnesium hydroxide 10, chlorinated paraffin 1, diatomaceous earth 4, tributyl citrate 2, jade powder 8, pepper seed oil 1; the preparation method is to mix attapulgite, clay , diatomaceous earth mixed into the calciner, calcined at 700-720 ° C for 3-4 ...
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