Comb-shaped epoxy resin and method for preparing comb-shaped epoxy resin
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United States of America Patent
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Apr 7, 2009
Grant Date -
Jun 21, 2007
app pub date -
Mar 23, 2005
filing date -
Mar 25, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a comb-shaped epoxy resin represented by the following formula (1):represent a divalent group having a residue selected from xanthene residue, biphenylene residue, hydrogenated bisphenol residue, alkylene residue and polyoxyalkylene residue, each may having a methyl group or a ethyl group as a substituent, and at least one of them is an aromatic residue, Y represents a polymer chain such as linear polymer chain, a number average polymerization degree being 5 to 2000, and n (number average polymerization degree) represents an integer within a range of 3 to 200, and to a method for preparing the comb-shaped epoxy resin.
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