Copolyester yarns and fibers dyeable without carrier at atmosphe

Details Copolyester yarns and fibers dyeable without carrier at atmosphe Copolyester yarns and fibers dyeable without carrier at atmosphe

1978-09-12

1980-07-08

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

8DIG4, C08G 6318, D01F 662, D01F 908

Patent

active

042116783

ABSTRACT:
The invention relates to new copolyester polymers which are high molecular weight copolyesters of terephthalic acid, ethylene glycol, dimer acid and polyoxyethylene glycols and to films, fibers and filaments made from these copolyesters. The copolyesters contain about 2 to 4% by weight of dimer acid and about 1 to 3% by weight of polyoxyethylene glycol. Fibers and yarns processed from these copolyesters have markedly improved affinity for disperse dyes.

REFERENCES:
patent: 2905657 (1959-09-01), Huffman
patent: 3390108 (1968-06-01), Keck et al.
patent: 3416952 (1968-12-01), McIntyre et al.
patent: 3625754 (1971-12-01), Dunn
patent: 3668187 (1972-06-01), King et al.
patent: 3975323 (1976-08-01), Georgoudis et al.
patent: 4042570 (1977-08-01), Bernert et al.
patent: 4056356 (1977-11-01), Gilkey et al.

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