| abstract |
Disclose a kind of tire tread compositions.The tire tread compositions include following components, and in terms of the weight of the composition, it is in following scope:5 to 75wt% diene elastomers；0 to 40wt% processing oils；20 to 80wt% fillers；Curing agent；With 5 to 30wt% propylene and ethylene diene terpolymers, it contains 2wt% to 40wt% ethene and/or C 4 ‑C 20 Unit derived from alhpa olefin, unit derived from 0.5 to 10wt% diene, and the heat of fusion measured by DSC is 0J/g to 80J/g. |