Rubber modifier, rubber modifier dispersion, and rubber composition
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United States of America Patent
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Aug 7, 2018
Grant Date -
Aug 13, 2015
app pub date -
Apr 23, 2015
filing date -
Oct 23, 2012
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Abstract
The present invention provides a rubber modifier capable of exhibiting good dispersibility in a dispersion thereof and excellent in a rubber-modifying effect such as rubber-reinforcing effect or the likes. The invention relates to a rubber modifier comprising cellulose fibers, in which the number of the cellulose fibers having a fiber length of 450 nm or less, relative to the number of all the cellulose fibers therein, is 50% or more, to a rubber modifier dispersion comprising the rubber modifier and a dispersion medium, and to a rubber composition comprising the rubber modifier and a rubber component.
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