Title:
ACRYLIC ADHESIVE COMPOSITION AND ADHESIVE PRODUCT
Document Type and Number:
WIPO Patent Application WO/2016/027767
Kind Code:
A1
Abstract:
Provided are an adhesive composition that has excellent adhesive force, cohesive force, tack, and holding strength and an adhesive article that uses the adhesive composition. The adhesive composition contains: (i) an acrylic block copolymer (I) that includes at least one polymer block (A) comprising a methacrylic acid ester unit and at least one polymer block (B) comprising an acrylic acid ester unit, that has a weight-average molecular weight of 30,000-300,000, and in which 80 mass% or more of the acrylic acid ester unit that constitutes the polymer block (B) is the acrylic acid ester (1) unit represented by formula (1), namely, CH2=CH-COOR2 (in the formula, R2 represents an organic group having 7-12 carbon atoms); and, relative to 100 parts by mass of the acrylic block copolymer (I), (ii) 1-300 parts by mass of a tackifier resin and (iii) 1-200 parts by mass of at least one plasticizer selected from among process oils, organic acid esters, and oligomers thereof.
Inventors:
NAKADA KANAYO (JP)
MORISHITA YOSHIHIRO (JP)
MORISHITA YOSHIHIRO (JP)
Application Number:
PCT/JP2015/073021
Publication Date:
February 25, 2016
Filing Date:
August 17, 2015
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
C09J153/00; C08F297/02; C09J7/20; C09J11/06; C09J11/08; C09J133/04
Domestic Patent References:
| WO2015111646A1 | 2015-07-30 | |||
| WO2013162056A1 | 2013-10-31 |
Foreign References:
| JP2013136653A | 2013-07-11 | |||
| JP2010106230A | 2010-05-13 | |||
| JPH10306196A | 1998-11-17 | |||
| JP2011175247A | 2011-09-08 | |||
| JPH09324165A | 1997-12-16 |
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
Patent business corporation SSINPAT (JP)
Patent business corporation SSINPAT (JP)
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