Hyperbranched polymers by multimonomer polymerization
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United States of America Patent
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Nov 2, 2004
Issued Date -
N/A
app pub date -
Oct 29, 2002
filing date -
Mar 26, 2001
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Expired
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Abstract
Hyperbranched polymers are prepared by a process in which a monomer having the form A.sub.x is reacted with another monomer of the form B.sub.y, where A and B are functional groups that do not react with themselves, but do react with each other. The process allows synthesis of hyperbranched polymers having a single type of terminal functional group from comonomers, each of which has a single type of functional group. The invention allows greater flexibility in the preparation of a larger variety of different hyperbranched polymers and enables hyperbranched polymers to be prepared at a lower cost as compared with conventional processes using monomers having two types of functional groups that react during polymerization.
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