Process for producing pourable powered rubber containing filler
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United States of America Patent
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-
Nov 28, 1989
Grant Date -
N/A
app pub date -
Apr 22, 1988
filing date -
Jul 14, 1987
priority date (Note) -
Expired
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Abstract
Process for producing pourable powdered rubber with filler content independent of particle size. By adjusting to a pH in the range of 3.7 to 6.5 after the mixing of rubber latices or aqueous emulsions of rubber solutions with filler suspensions containing precipitant, and by using 0.1 to 2.0 phr of a selected metal salt, powdered rubbers can be produced with filler content independent of particle size.
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