| 摘要 |
<p>The invention provides a styrene-isoprene-butadiene terpolymer rubber having a terpolymer composition of a bound styrene content of 5-50 wt.%, a bound isoprene content of 0.5-10 wt.% and a bound butadiene content of 40-94.5 wt.%, a weight average molecular weight of 100,000-2,000,000, and a vinyl bond content in the isoprene moiety of at least 30 wt.%, a preparation process thereof, and a diene rubber composition comprising the styrene-isoprene-butadiene terpolymer rubber and a reinforcing agent as essential components.</p> |
