MOISTURE-CURABLE HOT MELT ADHESIVE
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United States of America Patent
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Feb 19, 2013
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Aug 26, 2010
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Abstract
Disclosed is a moisture-curable hot melt adhesive which has a high initial adhesive strength and is also excellent in adhesion to a slightly adhesive material. This adhesive comprises an urethane prepolymer having an isocyanate group at its end, and (A) an acrylic polymer, wherein the acrylic polymer has a polymer (A1) containing a moiety derived from a (meth)acrylic acid derivative (a1) having an alkyl group with 6 or more carbon atoms. In some embodiments the acrylic polymer (A) has an alicyclic structure.
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