Incorporating titanium dioxide in polymeric materials
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United States of America Patent
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Jun 25, 2002
Grant Date -
Apr 25, 2002
app pub date -
Mar 3, 2000
filing date -
Mar 3, 2000
priority date (Note) -
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Abstract
A concentrate containing titanium dioxide is made by employing a carrier that is a liquid below about 25.degree. C. and which has ester functionality. The concentrate may be added directly to a host polymer to provide a high concentration of titanium dioxide without causing processing interruptions. Milling of the concentration is unnecessary.
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