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Title:
変性リグニンスルホン酸塩及び用途
Document Type and Number:
Japanese Patent JP4014193
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a modified lignosulfonate having high dispersibility at high temperature and low contaminative tendency and giving low viscosity in the form of an aqueous solution, being suitable as a dye dispersant. SOLUTION: This modified lignosulfonate is characterized by containing 9.0-14.0 wt.% of sulfonate group and 5.0-9.0 wt.% of carboxy group and having a weight-average molecular weight of 2,000-20,000. This dye dispersant comprises the modified lignosulfonate.

Inventors:
Takeshi Hotta
Toshihiro Sugiwaki
Ishimoto Tadahiro
Yoshito Nishimori
Application Number:
JP2000342416A
Publication Date:
November 28, 2007
Filing Date:
November 09, 2000
Export Citation:
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Assignee:
NIPPON PAPER INDUSTRIES CO.,LTD.
International Classes:
C09B67/20; C08H6/00; C08H7/00; C09B67/46
Domestic Patent References:
JP10130524A
Attorney, Agent or Firm:
Kiyoshi Minoura