Title:
ACRYLIC ADHESIVE COMPOSITION AND ADHESIVE PRODUCT
Document Type and Number:
WIPO Patent Application WO/2007/029783
Kind Code:
A1
Abstract:
Disclosed are an adhesive composition having excellent weather resistance, heat resistance and water resistance, and an adhesive product. Specifically disclosed is an adhesive composition containing an acrylic block copolymer and an adhesiveness-imparting resin having a solubility parameter value of 8-11. The acrylic block copolymer contains 23-98% by mass of at least one polymer block (A) composed of an alkyl methacrylate unit such as methyl methacrylate and 77-2% by mass of at least one polymer block (B) composed of an alkyl acrylate unit such as octyl acrylate wherein an alkyl group has 6-18 carbon atoms, while having a weight average molecular weight of 5,000-1,000,000 and a molecular weight distribution of 1.0-1.5. Also specifically disclosed is an adhesive product having an adhesive layer composed of such an adhesive composition.
Inventors:
MORISHITA YOSHIHIRO (JP)
KUNIMUNE TETSUYA (JP)
HAMADA KENICHI (JP)
KUNIMUNE TETSUYA (JP)
HAMADA KENICHI (JP)
Application Number:
PCT/JP2006/317767
Publication Date:
March 15, 2007
Filing Date:
September 07, 2006
Export Citation:
Assignee:
KURARAY CO (JP)
MORISHITA YOSHIHIRO (JP)
KUNIMUNE TETSUYA (JP)
HAMADA KENICHI (JP)
MORISHITA YOSHIHIRO (JP)
KUNIMUNE TETSUYA (JP)
HAMADA KENICHI (JP)
International Classes:
C09J153/00; C08F293/00; C08L53/00; C09J7/02
Domestic Patent References:
| WO2004056898A2 | 2004-07-08 |
Foreign References:
| JP2002533556A | 2002-10-08 |
Other References:
"Secchaku Hand Book", vol. 3RD ED., 28 June 1996, pages: 330 - 335, XP003009721
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