Polyesters with good dyeing affinity and a process for obtaining

Details Polyesters with good dyeing affinity and a process for obtaining Polyesters with good dyeing affinity and a process for obtaining

1975-03-19

1976-05-04

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 75N, C08G 3902

Patent

active

039549020

ABSTRACT:
Polyesters having improved affinity for acid dyes are produced by incorporation, in the polyester-forming dicarboxylic acid and dihydric alcohols, quaternary ammonium compounds of the formula ##EQU1## wherein the R's represent aliphatic, cycloaliphatic or aromatic radicals, at least one R being substituted by at least a group capable of forming ester bonds with the recurring polyester units, at least two R's being capable of forming between them a ring which may contain quaternizable nitrogen atoms; and where:

REFERENCES:
patent: 2744086 (1956-05-01), Mowry et al.
patent: 2891929 (1959-06-01), Caldwell
patent: 3039998 (1962-06-01), Boerma
patent: 3325454 (1967-06-01), Nakamura et al.

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