| 摘要 |
The invention relates to an elastoemeric composition which comprises: (I) a vinyl solution SBR/silica-containing masterbatch, which contains preferably from 40 to 120 parts by weight of silica per 100 parts by weight of polymer, and (ii) a high cis polybutadiene/silica-containing masterbatch, which contains preferably from 40 to 120 parts by weight of silica per 100 parts by weight of polymer wherein silica has been hydrophobicized. |
