SURFACE TREATED INORGANIC PARTICLE ADDITIVE FOR INCREASING THE TOUGHNESS OF POLYMERS
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United States of America Patent
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Issued Date -
Sep 3, 2009
app pub date -
Mar 3, 2008
filing date -
Mar 3, 2008
priority date (Note) -
Abandoned
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Abstract
A mineral additive particles such as calcium carbonate particles coated with one of fatty acids, fatty acid derivatives, rosins, rosinates, polyolefin based waxes, oligomers and mineral oils at a coating level of about 2.3 wt. % or more per weight of the mineral particles when added to a polymer system enhances the toughness of the resulting polymer composite.
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