Ethylene-Propylene-diene monomer (EPDM)-based conductive rubber and preparation method thereof
A technology of conductive rubber and rubber, which is applied in the field of EPDM-based conductive rubber and its preparation, can solve the problem of high price, and achieve the effect of excellent conductivity and good cost performance
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[0031] (1) Prepare raw materials
[0032] a EPDM rubber
[0033] Among them: a1 ENB type EPDM rubber
[0034] a2 DCPD type EPDM rubber
[0035] b titanate coupling agent KR-138
[0036] c vulcanizing agent
[0037] Where: c1 DCBP c2 DCP c3 DBPMH
[0038] d active agent zinc oxide
[0039] e conductive powder
[0040] Among them: e1 pure silver conductive powder (average particle size 35μm)
[0041] e2 silver-coated aluminum conductive powder (average particle size 70μm)
[0042] e3 Nickel coated graphite (average particle size 30μm)
[0043] e4 nickel coated graphite (average particle size 75μm)
[0044] The above-mentioned powders are matched according to the ratio shown in Table 1, and then the surface of the mixed powder is treated by wet method, so that the surface is coated with a layer of conductive powder of titanate coupling agent.
[0045] (2) Mix the above-mentioned components in proportion (see Table 1 for specific components and their proportions) o...
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