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US5556888A Rubber compounds containing vulcanized scrap rubber, methods of manufacturing such rubber compounds 失效
含有硫化废橡胶的橡胶化合物,制造这种橡胶化合物的方法

Rubber compounds containing vulcanized scrap rubber, methods of
manufacturing such rubber compounds
摘要:
A rubber compound obtained by compounding a raw rubber, powdered vulcanized scrap rubber with its surface partially processed via a swelling treatment, a vulcanizing agent and a vulcanizing accelerator. When manufacturing the compound, the scrap rubber is treated beforhand under ordinary temperature atomosphere by being mixed with a reclaiming agent that contains petroleum process oil.
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