| 摘要 |
1314216 Microcrystalline wax compositions UNIROYAL Inc 26 June 1970 [17 July 1969] 31036/70 Heading C5W [Also in Division C3] Compositions suitable for incorporation in highly unsaturated rubbers comprise uniform blends of (1) 15 to 45 weight per cent of a non- halogenated microcrystalline petroleum wax and (2) 55 to 85 weight per cent of an ethylene/ propylene/non-conjugated diene terpolymer rubber. The blends may be prepared by dry or solution mixing, e.g. in hexane, and incorporated in natural or butadiene or isoprene polymer rubbers. Examples describe blends of microcrystalline wax, ethylene / propylene / dicyclopentadiene rubber, epoxidized soya bean oil and trinonylphenyl phosphite. |
