Norbomene compounds with cross-linkable groups and their derivatives
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United States of America Patent
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Sep 18, 2007
Grant Date -
Mar 29, 2007
app pub date -
Sep 18, 2006
filing date -
Feb 13, 2004
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Expired
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Abstract
The present invention provided a norbornene compound with cross-linkable groups and their derivative polymers, wherein said cross-linkable groups were olefin or epoxy groups. Norbornene polymers with cross-linkable side chain and their block copolymers as well as modified derivatives were prepared via living ring-open metathesis polymerization method. The resulting polymers with excellent solubility and optic properties had narrow molecular weight distribution, well-controlled molecular weight, small refraction ration and high transparency. They were also suitable for preparing hybrid materials with high thermal stability and chemical resistance.
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