Composite Polymer, Thermosetting Coating Composition, and Molded Article
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United States of America Patent
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Issued Date -
May 28, 2009
app pub date -
Aug 11, 2006
filing date -
Aug 30, 2005
priority date (Note) -
Abandoned
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Abstract
A composite polymer is obtained by reacting (a) an elastomer having a carboxyl group with (b) metal oxide fine particles each having an epoxy ring-containing group on the particle surface. A thermally cured product of the composite polymer is a material favorable for forming a primer layer which has not only high transparency but also excellent adhesion to a hard coat layer and is excellent also in scratch resistance, heat resistance, weathering resistance, dyeing property, impact resistance and the like. An article such as an optical article whose primer layer comprises the thermally cured product of the composite polymer has high transparency and is excellent also in heat resistance.
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