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Title:
WATER SOLUBLE OR WATER DISPERSIBILITY BRANCHED COPOLYESTER AND PREPARATION THEREOF
Document Type and Number:
Japanese Patent JPS537797
Kind Code:
A
Abstract:
Water-soluble polyester having an apparent molecular weight between about 600 and about 5,000 and a SO3M group content between about 5 to about 40 mol percent based on the number of mols of dicarboxylic and/or polycarboxylic acids esterified in the polyester, and an at least trifunctional alcohol and/or an at least trifunctional carboxylic acid content between about 1 to about 40 mol percent based on the number of mols of dicarboxylic and/or polycarboxylic acids esterified in the polyester so that the polyester is correspondingly branched and M denotes a cation of an alkali metal, the ammonium ion or the cationic radical of an organic amine. The improved polyester is particularly suited as a levelling agent in the disperse dyeing of polyester fibers or the like.

Inventors:
FURIIDORITSUHI ENGERUHARUTO
KARURU HINTERUMAIERU
YOAHIMU RIPUKA
HERUMUUTO BOITORERU
Application Number:
JP5381177A
Publication Date:
January 24, 1978
Filing Date:
May 12, 1977
Export Citation:
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Assignee:
CASSELLA FARBWERKE MAINKUR AG
International Classes:
C08G63/00; C08G63/688; C08G63/91; C09K23/52; D06P1/52; D06P3/54; (IPC1-7): C08G63/68; C08G63/76; D06P1/52