Oxidation resistant natural rubber and a method for its production
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United States of America Patent
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Jul 6, 2021
Grant Date -
Aug 31, 2017
app pub date -
Sep 10, 2015
filing date -
Sep 12, 2014
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Abstract
A method for stabilizing a natural rubber such as guayule. The method includes the step of introducing at least one of an Extraction Curves for Guayule Rubber Samples amine and a phenolic anti-oxidant, such as MADA, to a latex form of the rubber under conditions such that the anti-oxidant becomes chemically bound to the rubber. The method includes the further step of subsequently treating the rubber to remove at least a substantial portion of entrained resins. The method can yield a rubber composition of, for example, guayule rubber and including an anti-oxidant chemically bound thereto. The resultant rubber can be suitable for use in tire construction.
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