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Patent Searching and Data


Title:
COPOLYMER, DISPERSANT, AND DISPERSION COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/059143
Kind Code:
A1
Abstract:
Provided is a copolymer which is able to be used as a dispersant that has excellent dispersibility and excellent slump retention ability. A copolymer according to one embodiment of the present invention is a water-soluble copolymer which contains, as constituent monomers, at least one monomer selected from among monomers (A) represented by formula (1) and monomers (B) represented by formula (2) and at least one monomer (C) selected from among unsaturated carboxylic acid monomers (C-1) and oxyethylene group-containing unsaturated carboxylic acid esters (C-2), and which is configured such that the content of the monomer (C) is from 20% by mass to 99% by mass (inclusive).

Inventors:
JOYABU MASATAKE (JP)
SHIOHARA KEI (JP)
OGASAWARA ASAKO (JP)
KIMURA TAKURO (JP)
TAO CHI (JP)
TAKAMACHI YUKI (JP)
Application Number:
PCT/JP2018/034316
Publication Date:
March 28, 2019
Filing Date:
September 15, 2018
Export Citation:
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Assignee:
DAI ICHI KOGYO SEIYAKU CO LTD (JP)
International Classes:
C08F290/06; C04B24/26; C04B24/32; C08F299/02; C08L33/00; C04B103/40
Domestic Patent References:
WO2013108588A12013-07-25
WO2013058046A12013-04-25
WO2013108588A12013-07-25
Foreign References:
JPH07118044A1995-05-09
JP2015013921A2015-01-22
JP6114868B12017-04-12
JPH10298211A1998-11-10
JP2002098825A2002-04-05
JPH11322389A1999-11-24
JPH09221517A1997-08-26
JP2007238387A2007-09-20
JP2015000970A2015-01-05
JP2016179926A2016-10-13
JP2016023096A2016-02-08
JP2015013921A2015-01-22
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