Cationic dyeable copolyesters

Details Cationic dyeable copolyesters Cationic dyeable copolyesters

1972-11-24

1979-07-17

Lee, Lester L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528295, C08G 6366, C08G 6368

Patent

active

041615778

ABSTRACT:
Copolyester resins comprising the condensation polymerization product of (a) an aromatic dicarboxylic acid or its lower dialkyl ester (b) an aliphatic glycol and a minor amount of a substituted aromatic acid ester represented by the formula: ##STR1## where R is a lower alkyl radical having 1 to 4 carbon atoms and M is an alkali metal from the group consisting of sodium, potassium, and lithium.

REFERENCES:
patent: 3018272 (1962-01-01), Griffing et al.
patent: 3222299 (1965-12-01), MacDowell
patent: 3238180 (1966-03-01), Wiloth
patent: 3663508 (1972-05-01), Mobius et al.
patent: 3806493 (1974-04-01), Wurmb et al.

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