Method of Producing Rubber Compositions with Reinforcing Resins
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Sep 10, 2012
filing date -
Sep 10, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods for producing a rubber composition for a tire component that include preparing a methylene acceptor block by mixing a first highly unsaturated diene elastomer with a methylene acceptor. This mixture is then cooled and may then be used or may be stored for later use in producing a rubber composition. Such methods may further include mixing a non- productive mix, the non-productive mix comprising a second highly unsaturated diene elastomer, a reinforcing filler and the methylene acceptor block. The methylene acceptor block itself comprises no or essentially no reinforcing filler. To prepare for the addition of the vulcanization agent, such methods, include cooling the non-productive mix and then mixing a vulcanizing agent and a methylene donor into the cooled non-productive mix to produce a productive mix.
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