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Title:
ADHESIVE COMPOSITION AND ADHESIVE SHEET FOR SURFACE PROTECTION
Document Type and Number:
WIPO Patent Application WO/2013/005830
Kind Code:
A1
Abstract:
An adhesive composition comprising: a copolymer (i) that is a copolymer (I) having a structure expressed by the general formula [A-B]n (n is an integer of 1-3 inclusive), or a hydrogenation product thereof; and a copolymer (ii) that is a copolymer (II) having a structure expressed by the general formula A-B-A or the general formula (A-B)x-Y (In the formula, x is an integer of one or more, and Y is a coupling agent residue), or a hydrogenation product thereof. The vinyl bond content of the conjugated diene unit of the polymer block (B) is 70-85%, and the content of alkenyl aromatic compound units in all of the polymer blocks (B), on the basis of the total monomer mass of copolymers (i) and (ii), is 15-35 mass% (A: a block comprising primarily alkenyl aromatic compound units in which the alkenyl aromatic compound unit is continuous. B: a block randomly comprising conjugated diene units and alkenyl aromatic compound units.).

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Inventors:
TOYOSHIMA KATSUNORI (JP)
HAYAKAWA TOSHIYUKI (JP)
NAKAMURA TAKEO (JP)
OOKUBO AKIHIKO (JP)
SANO TAKUYA (JP)
Application Number:
PCT/JP2012/067327
Publication Date:
January 10, 2013
Filing Date:
July 06, 2012
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD (JP)
JSR CORP (JP)
TOYOSHIMA KATSUNORI (JP)
HAYAKAWA TOSHIYUKI (JP)
NAKAMURA TAKEO (JP)
OOKUBO AKIHIKO (JP)
SANO TAKUYA (JP)
International Classes:
C09J153/02; C09J7/02
Domestic Patent References:
WO2010029773A12010-03-18
WO2010113883A12010-10-07
WO2007126081A12007-11-08
Foreign References:
JP2003119435A2003-04-23
JP2010077339A2010-04-08
JP2008533230A2008-08-21
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
Patent business corporation 3 Edakuni [Hajime] patent firm (JP)
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