ARBORESCENT POLYMERS HAVING A CORE WITH A HIGH GLASS TRANSITION TEMPERATURE AND PROCESS FOR MAKING SAME
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United States of America Patent
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Issued Date -
Oct 3, 2013
app pub date -
Apr 8, 2011
filing date -
Apr 16, 2010
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Abandoned
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Abstract
The present invention relates to arborescent polymers comprising isoolefins and styrenic monomers, as well as processes for making same. In particular, the invention relates to highly branched block copolymers comprising an arborescent core with a high glass-transition temperature (Tg) and branches attached to the core terminated in polymer endblock segments with a low Tg. The copolymers of the invention desirably exhibit thermoplastic elastomeric properties and, in one embodiment, are desirably suited to biomedical applications.
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