Rubber compositions and vulcanizates including comb-branched polymers
   
   

A vulcanizate comprising a rubber, and a damping component that is prepared by preparing a mixture of living polymers that include living polymers with at least two living ends and living polymers with one living end to form a mixture of living polymers, and coupling the mixture of living polymers with a coupling agent that has at least three reactive functionalities.

 
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< Exposure head, exposure apparatus, and application thereof

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> Process for preparing silica or silica-based thick vitreous films according to the sol-gel technique and thick films thereby obtained

> Image forming process and image forming apparatus
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