Acrylamide derivatives and polymers containing said derivatives
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United States of America Patent
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Dec 17, 2002
Grant Date -
N/A
app pub date -
Aug 30, 2001
filing date -
Jan 25, 1999
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Abstract
An acrylamide derivative of the following general formula (I) is used to prepare a polymer or copolymer: ##STR1## wherein R.sup.1 represents a hydrogen atom, a straight-chain or branched alkyl group containing 1 to 4 carbon atoms or a C3-6 cycloalkyl group, R.sup.2 and R.sup.3 each independently represent an alkylene group containing 1 to 6 carbon atoms or R.sup.2 and R.sup.3 may be combined to form a ring, X represents a hydrogen atom, an amino group, a hydroxyl group, a halogen atom, a carboxyl group or a --COOR.sup.4 group wherein R.sup.4 represents a C1-6 straight-chain or branched alkyl, C3-6 cycloalkyl, phenyl, substituted phenyl, benzyl or substituted benzyl group, and Y represents an amino group, a halogen atom, a carboxyl group or a --COOR.sup.4 group wherein R.sup.4 represents a C1-6 straight-chain or branched alkyl, C3-6 cycloalkyl, phenyl, substituted phenyl, benzyl or substituted benzyl group. The thus obtained polymer or copolymer is a polymer or hydrogel incorporating many functional groups while maintaining the sensitive temperature response.
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