Cellulose esters in highly-filled elastomeric systems
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United States of America Patent
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Jul 18, 2017
Grant Date -
Jun 13, 2013
app pub date -
Nov 30, 2012
filing date -
Dec 7, 2011
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Abstract
A process to produce an elastomeric composition is provided. The process comprises blending at least one cellulose ester, at least one non-nitrile primary elastomer, and at least 70 phr of one or more fillers to produce the elastomeric composition, wherein at least a portion of the blending occurs at a temperature exceeding the Tg of said cellulose ester, and wherein the elastomeric composition exhibits a Mooney viscosity at 100° C. as measured according to ASTM D1646 of not more than 110 AU.
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