Title:
両性水溶性高分子を含む組成物
Document Type and Number:
Japanese Patent JP4894264
Kind Code:
B2
Abstract:
An object of the present invention is to provide a composition excellent in various flocculation performances for various sludge and papermaking systems, especially excellent as a polymer flocculant, and provide a sludge-dewatering agent excellent in dewatering performances for various sludge, especially excellent in flocculationability, as well as a retention aid which can realize a high retention and ensure excellent formation of paper and which is easy to use. A composition is provided, which comprises two or more amphoteric water-soluble polymers in combination shown below, the polymers being obtained by polymerizing a cationic radical-polymerizable monomer and an anionic radical-polymerizable monomer in a presence of a polysaccharide.
1. A combination of a polymer satisfying the molar ratio of the cationic radical-polymerizable monomer to the anionic radical-polymerizable monomer (hereinafter referred to as Ca/An) of Ca/An¥1, and a polymer satisfying Ca/An<1, or
2. a combination of two kinds of polymers satisfying Ca/An¥1.
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Inventors:
Yoshio Mori
Koichi Adachi
Takeda Ken
Tetsuya Tsuzuki
Koichi Adachi
Takeda Ken
Tetsuya Tsuzuki
Application Number:
JP2005517122A
Publication Date:
March 14, 2012
Filing Date:
January 20, 2005
Export Citation:
Assignee:
Toagosei Co., Ltd.
International Classes:
C08F251/00; B01D21/01; C02F1/56; C02F11/14; C08F2/44; C08L51/02; D21C5/02; D21H17/41; D21H21/10
Domestic Patent References:
| JP2003117309A | 2003-04-22 | |||
| JP2002177706A | 2002-06-25 | |||
| JP2003175302A | 2003-06-24 | |||
| JPH10500A | 1998-01-06 | |||
| JPH1181187A | 1999-03-26 |