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Title:
AQUEOUS DISPERSION
Document Type and Number:
WIPO Patent Application WO/2004/074374
Kind Code:
A1
Abstract:
An aqueous dispersion obtained by blending (I) an aqueous dispersion produced by dispersing a block copolymer (I) constituted of a polymer block (A) composed mainly of olefinic monomer units and a polymer block (B) composed of units of a vinyl monomer (b1) having a carboxyl group, a carboxylic anhydride group, or a sulfonic acid group and units of a vinyl monomer (b2) copolymerizable with the monomer (b1) in an aqueous solution containing a basic substance in an amount of 0.05 equivalent or above based on the carboxyl, carboxylic anhydride, or sulfonic acid group with (II) a block copolymer constituted of a polymer block (X) composed mainly of aromatic vinyl monomer units and a polymer block (Y) composed of conjugated diene monomer units. The aqueous dispersion of the invention can form flexible film excellent in the adhesion and tight adhesion to various substrates.

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Inventors:
MATSUNAGA SHUJI (JP)
YOSHIHARA MOTOTSUGU (JP)
ITOSHIMA YUKIO (JP)
OMODA MAMORU (JP)
Application Number:
PCT/JP2004/001991
Publication Date:
September 02, 2004
Filing Date:
February 20, 2004
Export Citation:
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Assignee:
KURARAY CO (JP)
MATSUNAGA SHUJI (JP)
YOSHIHARA MOTOTSUGU (JP)
ITOSHIMA YUKIO (JP)
OMODA MAMORU (JP)
International Classes:
C08L53/00; C08L53/02; C09D153/00; C09D153/02; C09J153/00; C09J153/02; (IPC1-7): C08L53/00; C09D153/00; C09J153/00
Foreign References:
JP2002080687A2002-03-19
JP2002294020A2002-10-09
JP2001288372A2001-10-16
JP2002226590A2002-08-14
JP2001026695A2001-01-30
JPH01256556A1989-10-13
JPH04218548A1992-08-10
EP1172407A22002-01-16
EP1162233A12001-12-12
JPH0649315A1994-02-22
JP2002294020A2002-10-09
Other References:
See also references of EP 1595917A4
Attorney, Agent or Firm:
Ohtani, Tamotsu (Bridgestone Toranomon Bldg. 6F. 25-2, Toranomon 3-chom, Minato-ku Tokyo, JP)
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