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2.2.8二元乙丙橡胶(EPM)CH2—CH2 m—CH2—CH nCH3(1)制造与种类①这是一种由乙烯和丙烯在烃类溶剂中通过钒系齐格勒催化剂聚合制成的合成橡胶;②可用过氧化物交联。(2)特征①在商品化的橡胶中密度最小;②耐臭氧、耐天侯、耐热及低温性能优异;③不能用硫黄硫化。(3)用途电气方?
2.2.8 EPDM CH2-CH2 m-CH2-CH nCH3 (1) Manufacture and Type ① This is a process of ethylene and propylene polymerization in a hydrocarbon solvent by a vanadium-based Ziegler catalyst Synthetic rubber; ② available peroxide cross-linking. (2) Features ① Lowest density in commercialized rubber; ② Excellent resistance to ozone, weather, heat and low temperature; ③ Sulfur vulcanization can not be used. (3) use of electrical?