Copolyester adhesives

Details Copolyester adhesives Copolyester adhesives

1982-10-27

1983-12-06

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

428290, 5283086, 5283087, C08G 6316, B32B 2700

Patent

active

044195079

ABSTRACT:
Disclosed are linear, crystalline or partially crystalline copolyesters derived from 100 mole % of a dibasic acid component comprising at least 40 mole % terephthalic acid and up to about 60 mole % of a second dicarboxylic containing 3-12 carbon atoms, and 100 mole % of a glycol component comprising at least 40 mole % 1,4-butanediol and up to about 60 mole % diethylene glycol, the copolyester characterized by having a melting point of about 40.degree.-220.degree. C., a glass transition temperature of about -20.degree. C. to about 40.degree. C., a heat of fusion of not less than 1.0 calorie per gram, and a crystalline half time of less than 10 minutes at maximum crystallization temperature. These copolyesters are especially useful as fusible interlining adhesives and binder fibers.

REFERENCES:
patent: 3669921 (1972-06-01), Droke et al.
patent: 4094721 (1978-06-01), Sturm et al.
patent: 4156774 (1979-05-01), Buxbaum et al.
patent: 4166895 (1979-09-01), Buxbaum
patent: 4335188 (1982-06-01), Igi et al.
Chem. Abst. vol. 80 (1974) 121751f.
French Translation 2,212,410.

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