Resilient polyester fibers

Details Resilient polyester fibers Resilient polyester fibers

1971-05-27

1979-07-03

Watkins, Donald

Textiles: spinning, twisting, and twining

Strand structure

Multifilament yarns

57243, 264345, 264346, 428362, 428364, 428369, D02G 304, D02G 100, D02G 302

Patent

active

041596170

ABSTRACT:
A resilient drawn polyester textile fiber comprised of at least 50 mol percent of poly(tetramethylene terephthalate) with a bending recovery of at least 55 percent and a toughness of at least 0.75 grams/denier is provided. This fiber, which preferably consists essentially of 100 mol percent poly(tetramethylene terephthalate) and has an initial modulus of less than 350 k.g./mm.sup.2 and a tensile factor of at least about 21, is especially useful in pile fabrics.

REFERENCES:
patent: 2604689 (1952-01-01), Hebeler
patent: 2623034 (1952-12-01), Flory et al.
patent: 3050821 (1962-08-01), Kilian
patent: 3071783 (1963-01-01), Gamble
patent: 3279164 (1966-10-01), Breen et al.
patent: 3350871 (1967-11-01), Pierce
patent: 3435603 (1969-04-01), Rice
patent: 3488940 (1970-01-01), Mehta
patent: 3549597 (1970-12-01), Kitson et al.
patent: 3608299 (1971-09-01), Dugas
patent: 3671379 (1972-06-01), Evans et al.
Smith et al. "Preparation & Properties of Poly(methylene terephthalates)," Jour. of Polymer Sci., vol. 4, Part A-1 (1966) 1851-1859.
Goodman et al.: "Polyesters, vol. 1, Saturated Polymers" pp. 48-53, 1965.

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