Modified rubber powders comprising silicatic fillers prepared from precipitation suspensions, process for their preparation and their use
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United States of America Patent
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Apr 13, 2004
Grant Date -
Jul 11, 2002
app pub date -
Nov 15, 2001
filing date -
Nov 15, 2000
priority date (Note) -
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Abstract
A process for preparing silica-filled rubber powder is provided, which includes contacting a salt-containing silica-precipitation suspension with at least one selected from the group including a rubber latex, rubber solution, and rubber emulsion, to form a mixture; and precipitating to produce a silica-filled rubber powder. A silica-filled rubber powder prepared by the process, and compositions and uses containing the same, are also provided.
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