Elastomeric compositions, process for the preparation thereof and tires containing them
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United States of America Patent
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Jul 30, 1991
Grant Date -
N/A
app pub date -
Oct 11, 1988
filing date -
Oct 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an elastomeric composition suitable for tire treads comprising (1) 10-90% wt of a copolymer of a mono-aromatic vinyl compound and having a vinyl content of <50% wt and a Tg<-35 degree C., and (2) 90-10% wt of a hompolymer of a conjugated diene or a copolymer of a mono-aromatic vinyl compound and a conjugated diene, containing <25% wt of mono-aromatic vinyl compound and having a vinyl content <25% wt and a Tg<-55 degree C., both polymer having a differential content of mono-aromatic vinyl compound which is <5 percentage points.
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