Title:
BLOCK COPOLYMER COMPOSITION AND HOT MELT ADHESIVE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2017/057049
Kind Code:
A1
Abstract:
Provided is a block copolymer composition containing a block copolymer A that is represented by formula (I) and has a branched chain, wherein: the Mw/Mn of the block copolymer A is 1.20 or less; the content of the block copolymer A in the block copolymer composition is 10 mass% or more; the content of a block copolymer B being an Ar2-D2 diblock body in the block copolymer composition is 60 mass% or less and the Mw/Mn is 1.15 or less; the content of an aromatic monovinyl monomer unit in the block copolymer composition lies in the range of 12-30 mass%; the Mw of the entire block copolymer composition lies in the range of 300,000 to 800,000; and the melt index of the entire block copolymer composition lies in the range of 2 g/10 min to 20 g/10 min. (I): (Ar1-Dr1)mX
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Inventors:
NOZAWA ATSUSHI (JP)
HASHIMOTO SADAHARU (JP)
HASHIMOTO SADAHARU (JP)
Application Number:
PCT/JP2016/077411
Publication Date:
April 06, 2017
Filing Date:
September 16, 2016
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08F297/04; C08L53/02; C08L101/12; C09J11/06; C09J11/08; C09J153/02
Domestic Patent References:
| WO1999058605A1 | 1999-11-18 | |||
| WO2010074267A1 | 2010-07-01 |
Foreign References:
| JPH10130349A | 1998-05-19 | |||
| JPH08269148A | 1996-10-15 | |||
| JPH0326747A | 1991-02-05 | |||
| JP2004010719A | 2004-01-15 | |||
| JP2002527568A | 2002-08-27 | |||
| JPH09500156A | 1997-01-07 | |||
| JP2012021078A | 2012-02-02 |
Other References:
See also references of EP 3357968A4
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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