Copolyesters

Details Copolyesters Copolyesters

1981-09-30

1983-03-22

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528176, 528297, 528302, 5283081, 5283086, 5283087, C08G 6366

Patent

active

043776825

ABSTRACT:
Copolyesters of improved dyeability are formed from dicarboxylic acid components and glycol components. The new polyesters are characterized in that more than 80 mol percent of the dicarboxylic acids is terephthalic acid or its ester-forming derivative and that more than 80 mol percent of the glycols is a glycol or two or more glycols selected from ethylene glycol, tetramethylene glycol and 1,4-cyclohexane dimethanol and 1 to 10 weight percent thereof, based on the resulting polyester is a glycol represented by the following formula (I):

REFERENCES:
patent: 3657193 (1972-04-01), Caldwell
patent: 3725348 (1973-04-01), Harrison et al.
patent: 3779993 (1973-12-01), Kibler et al.
patent: 3900527 (1975-08-01), King et al.
patent: 3932326 (1976-01-01), Holt et al.
patent: 4156774 (1979-05-01), Buxbaum et al.
patent: 4259478 (1981-03-01), Jackson et al.

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