Water-soluble branched polyesters

Details Water-soluble branched polyesters Water-soluble branched polyesters

1977-05-12

1979-09-11

Lee, Lester L.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Treating textiles or fibers from synthetic resin or natural...

8 89R, 8 89A, 528173, 528293, 528294, 528295, C08G 6366, C08G 6368

Patent

active

041673956

ABSTRACT:
Water-soluble polyester having an apparent molecular weight between about 600 and about 5,000 and a SO.sub.3 M 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.

REFERENCES:
patent: 3018272 (1962-01-01), Griffing et al.
patent: 3033824 (1962-05-01), Huffman
patent: 3528947 (1970-09-01), Lappin et al.
patent: 3657193 (1972-04-01), Caldwell
patent: 3882185 (1975-05-01), Radlmann et al.

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