Dispersing agents in composites
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United States of America Patent
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Feb 7, 2012
Grant Date -
Mar 18, 2010
app pub date -
Sep 18, 2006
filing date -
Sep 27, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to compositions comprising (a) a synthetic polymer, (b) a talc as a filler, wherein the talc particles have a mean particle size of from 0.4 to 25 μm, and are present in an amount of from 0.1 to 10% based on the weight of component (a) and (c) a dispersing agent which is based on a non-ionic surfactant or an amphiphilic statistical, block or comb copolymer, provided that when the synthetic polymer (a) is a polyamide, this is present in an amount of less than 55% based on the weight of (a), (b) and (c).
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