RUBBER WITH RECYCLED CONTENT
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United States of America Patent
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N/A
Issued Date -
Jul 14, 2011
app pub date -
Jul 31, 2009
filing date -
Sep 30, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Rubber compositions, methods of making rubber compositions and articles comprising the rubber compositions that have crumb rubber particles in the rubber compositions. A cross-linked rubber composition, comprising a diene rubber and a masterbatch material comprising between 50 and 75 wt. % natural rubber and between 25 and 50 wt. % crumb rubber particles, wherein the crumb rubber particles are 40 mesh or smaller. A method for preparing a rubber composition having crumb rubber, the method comprising mixing a masterbatch, the masterbatch comprising between 50 and 75 wt. % natural rubber and between 25 and 50 wt. % crumb rubber particles and mixing the masterbatch with a diene rubber.
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