Shell Oil Comapny

Pieter Luijk

Antonius A Broekhuis

Jan E Stamhuis

The present invention relates to an elastomeric composition suitable for tire treads comprising 1) 10-90% wt of a copolymr of a mono-aromatic vinyl compound and a conjugated diene having a vinyl content of .gtoreq.50% wt and a Tg &gt;-35 degree C, and 2) 90-10% wt of a homopolymer of a conjugated diene or a copolymer of a mono-aromatic vinyl compound and a conjugated diene, containing &lt;25% wt of mono-aromatic vinyl compound and having a vinyl content &lt;25% wt and a Tg &lt;-55 degree C, both polymers having a differential content of mono-aromatic vinyl compound which is &lt;5 percentage points.

Elastomeric compositions, process for the preparation thereof and tires

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 &lt;50% wt and a Tg&lt;-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 &lt;25% wt of mono-aromatic vinyl compound and having a vinyl content &lt;25% wt and a Tg&lt;-55 degree C., both polymer having a differential content of mono-aromatic vinyl compound which is &lt;5 percentage points.

An elastomeric composition suitable for tires comprising

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Amsterdam, Netherlands

Pieter Luijk