Appeal No. 2006-1262
Application No. 10/013,543
main chain and a plurality of intramolecular side chains, each
side chain having a terminal carbon-carbon double bond, a chain
length of 6 or more in terms of number of atoms, and the same or
a different number of atoms as each other side chain in the
polymer; and said re-release adhesive having a shrinkage force
of 30 Mpa or less as developed upon curing with radiation,
wherein said side chains are introduced into the radiation-
reactive polymer by a method comprising copolymerizing a monomer
containing a reactive functional group (a) with a comonomer to
synthesize a polymer having the functional group (a) in its side
chains, and then reacting the polymer having the functional
group (a) with a compound having a functional group (b) that is
reactive with the functional group (a) and one carbon-carbon
double bond while maintaining the carbon-carbon double bond,
such that the terminal carbon-carbon double bond of each side
chain of the radiation-reactive polymer is the only carbon-
carbon double bond of each side chain.
4. The re-release adhesive sheet as claimed in claim 3,
wherein the curable adhesive further comprises a radiation-
reactive oligomer in an amount of 0.1 to 150 parts by weight per
100 parts by weight of said radiation-reactive polymer.
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Last modified: November 3, 2007