| 摘要 |
Rubber compsn. comprises a continuous phase of styrene, acrylonitrile and maleimide copolymer (50-100 pts.wt.), having a reduced viscosity 0.5-1.0 dl/g at 30 deg.C, 0.5 wt.% in DMF; in which is dispersed a similar copolymer rubber (100 pts.wt.) obtd. by graft copolymerisation of the same monomers on rubber, opt. with occluded copolymer (with crosslinking index 4-11). The rubber is a polybutadiene or acrylonitrile-butadiene, styrene-butadiene, or ethylene-propylene-diene copolymer rubber, etc. The prods. are moulding rubber compsns. for electrical appliances, electronic devices, car components, etc.
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