Spun nonwoven fabric of polyester filaments for use as backing m

Details Spun nonwoven fabric of polyester filaments for use as backing m Spun nonwoven fabric of polyester filaments for use as backing m

1978-09-29

1980-07-01

Bell, James J.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

156167, 156181, 428288, 428296, 428375, 428395, D05C 1700

Patent

active

042106907

ABSTRACT:
A spun nonwoven fabric of polyester filaments for use as backing for a deep-drawable tufted carpet, wherein the polyester filaments hve uniformly distributed therethrough about 0.1 to 1% by weight of a diol-modified copolyester containing units of at least two different doils. For example, polyethylene terephthalate granulate is mixed with polyethylene butylene terephthalate copolymer and spun into a nonwoven web which is calendered and then tufted to form a carpet which can be deep-drawn with a three-dimensional shape. If desired, polyethylene terephthalte-adipate copolymer fibers can be co-spun into the web as binding fibers.

REFERENCES:
patent: 3338992 (1967-08-01), Kinney
patent: 3595731 (1971-07-01), Davies et al.
patent: 3687759 (1972-08-01), Werner et al.
patent: 3691004 (1976-09-01), Werner et al.
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3837988 (1974-09-01), Hannen et al.

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