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Patent Searching and Data


Title:
ADHESIVE COMPOSITION, ADHESIVE FILM, AND ARTICLE PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2014/192827
Kind Code:
A1
Abstract:
This adhesive composition comprises: an acrylic copolymer (A) that includes a structural unit (Ax) derived from a (meth)acrylic acid alkyl ester that does not have a hydroxyl group, and a structural unit (a) derived from an acrylate monomer that has a hydroxyl group; an acrylic copolymer (B) that includes a structural unit (Bx) derived from (meth)acrylic acid alkyl ester that does not have a hydroxyl group, and a structural unit (b) derived from a methacrylate monomer that has a hydroxyl group, said acrylic polymer (B) having a weight average molecular weight that is smaller than the weight average molecular weight of the acrylic copolymer (A); and an isocyanate compound. The total of the hydroxyl value (a) of the acrylic copolymer (A) and the hydroxyl value (b) of the acrylic copolymer (B) is in a range of 40 mg KOH/g to 90 mg KOH/g. The ratio of the hydroxyl value (a) to the hydroxyl value (b) is in the range of 0.5 to 7.0.

Inventors:
MAEDA TOMOYA (JP)
IGETA KAZUHIRO (JP)
ONO YOSHIHITO (JP)
YASUDA TAKUMI (JP)
MIYAZAKI HIDEKI (JP)
Application Number:
PCT/JP2014/064171
Publication Date:
December 04, 2014
Filing Date:
May 28, 2014
Export Citation:
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Assignee:
NIPPON CARBIDE KOGYO KK (JP)
International Classes:
C09J133/04; C09J7/02; C09J133/00; C09J133/14; C09J175/04
Domestic Patent References:
WO2012128294A12012-09-27
Foreign References:
JP2011219511A2011-11-04
JPH07268302A1995-10-17
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
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