Process for manufacturing nonpolar thermoplastic materials containing inorganic particulates
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United States of America Patent
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Issued Date -
Mar 22, 2007
app pub date -
Sep 19, 2005
filing date -
Sep 19, 2005
priority date (Note) -
Abandoned
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Abstract
Processes are disclosed for treating an inorganic particulate to provide improved dispersibility in a nonpolar thermoplastic, for example, titanium dioxide as an opacifier or colorant in a polyolefin concentrate, and for producing said pigmented nonpolar thermoplastic, wherein a surface coating is applied to the particulate which comprises at least one of the polar phosphate esters containing acid and polar ether groups.
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