Anti-yellowing polyolefin compositions containing pearlescent pigment to prevent yellowing and method therefore
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United States of America Patent
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Sep 14, 1999
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N/A
app pub date -
Jun 19, 1997
filing date -
Jun 19, 1997
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Abstract
Antioxidant-containing polyolefin compositions are provided including titanium dioxide-coated mica particles having an overcoating calcined thereon to prevent yellowing of the compositions. Reduced photo-darkening and improved densification of the pigment can also be achieved.
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