IMPROVED NATURAL RUBBER COMPOSITIONS
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United States of America Patent
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Issued Date -
Jul 23, 2015
app pub date -
Oct 29, 2012
filing date -
Aug 2, 2012
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Abstract
There is herein described improved natural rubber compositions having nanocarbon and carbon black as reinforcing agents wherein the nanocarbon is uniformly pre-dispersed within the rubber component. In particular there is described rubber compositions comprising a mixture of natural rubber, nanocarbon and carbon black wherein the relative amount in parts per hundred rubber (pphr) of nanocarbon to carbon black is in the range of about 1:40 to about 1:2 and the relative amount in parts per hundred rubber (pphr) of nanocarbon to natural rubber is in the range of about 1:100 to about 10:100 and wherein the nanocarbon component is pre-dispersed within the natural rubber component.
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