Title:
N-ビニル環状ラクタム系重合体、その製造方法及び用途
Document Type and Number:
Japanese Patent JP5213330
Kind Code:
B2
Abstract:
To provide: an N-vinyl cyclic lactam polymer, which has excellent dispersibility and adsorptivity, and high calcium-ion capturing capability and can be preferably used in, for example, a detergent additive application; an application thereof; and a production method of the N-vinyl cyclic lactam polymer, the production method being capable of efficiently producing such an N-vinyl cyclic lactam polymer. An N-vinyl cyclic lactam polymer produced by a polymerization of a monomer component containing a carboxyl group-containing unsaturated monomer with a polymer having an N-vinyl cyclic lactam unit, wherein the carboxyl group-containing unsaturated monomer is 200 to 9900 parts by weight, relative to 100 parts by weight of the polymer having an N-vinyl cyclic lactam unit, and the N-vinyl cyclic lactam polymer has a viscosity at 25° C. of 100000 mPa.s or less in an aqueous solution with a solid content of 25% by weight.
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Inventors:
Takahiro Tsumori
Dai Imai
Yoshikazu Fujii
Dai Imai
Yoshikazu Fujii
Application Number:
JP2006520538A
Publication Date:
June 19, 2013
Filing Date:
May 26, 2006
Export Citation:
Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
C08F271/02; C11D3/37
Domestic Patent References:
| JP55000722A | ||||
| JP2001278922A | ||||
| JP2002037820A |
Attorney, Agent or Firm:
Atomi International Patent Office
Yasuo Yasutomi
Takanori Tamai
Yasuo Yasutomi
Takanori Tamai