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precipitated silica, elastomer composition, vulcanized having a reinforcing filler, road tire and process for preparing microporous precipitated silica
precipitated silica, elastomer composition, vulcanized having a reinforcing filler, road tire and process for preparing microporous precipitated silica
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机译:沉淀二氧化硅,弹性体组合物,具有增强填料的硫化橡胶,公路轮胎和制备微孔沉淀二氧化硅的方法
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摘要
Described herein is microporous precipitated silica having the following physico-chemical parameters: a CTAB surface area of 50 to 300 square meters/gram, a BET/CTAB ratio of 1.3, and a relative breadth of pore size distribution of 3.5. The precipitated silica can also have a Sears number of from 10 to 28 and a Sears number/CTAB ratio of 0.16. Also described herein are vulcanizable and vulcanized elastomer compositions, e.g., tires, containing the microporous precipitated silica.
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