Method for preparing a masterbatch of an elastomer and an inorganic reinforcing filler
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United States of America Patent
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May 2, 2017
Grant Date -
Sep 24, 2015
app pub date -
Dec 21, 2011
filing date -
Apr 15, 2011
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Abstract
The invention relates to a process for the preparation of a masterbatch of diene elastomer and reinforcing inorganic filler in accordance with the invention comprises the following successive stages:
- bringing into contact and mixing one or more aqueous dispersions (B) of one or more hydrophobized reinforcing inorganic fillers, which coagulate(s) spontaneously with the said latex, and one or more diene elastomer latexes (A) in order to obtain a coagulum, without requiring a coagulating agent,recovery of the coagulum, thendrying the recovered coagulum in order to obtain the masterbatch.
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