Title:
【発明の名称】架橋型カルボキシル基含有重合体の製造方法
Document Type and Number:
Japanese Patent JP3321209
Kind Code:
B2
Abstract:
An industrially advantageous process for producing a crosslinked polymer containing carboxyl groups comprises (a) polymerizing an alpha , beta -unsaturated carboxylic acid and a crosslinking agent copolymerizable with it in the presence of a radical polymerization catalyst in an inert solvent, (b) heating the polymerized product in the presence of a radical scavenger and (c) removing the solvent. The polymer dissolved in water has high viscosity and excellent flowing properties.
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Inventors:
Masato Fujikake
Shinji Kobayashi
Shigeo Hamamoto
Mitsutaka Tabata
Morio Nakamura
Shinji Kobayashi
Shigeo Hamamoto
Mitsutaka Tabata
Morio Nakamura
Application Number:
JP26346692A
Publication Date:
September 03, 2002
Filing Date:
October 01, 1992
Export Citation:
Assignee:
Sumitomo Seika Co., Ltd.
International Classes:
C08F2/00; C08F2/06; C08F2/38; C08F6/06; C08F6/10; C08F8/00; C08F220/04; C08F220/06; C09K3/00; (IPC1-7): C08F6/10; C08F2/06; C08F220/06; C09K3/00
Domestic Patent References:
| JP4120111A | ||||
| JP4120112A |
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)