Polyester flat and split yarn

Details Polyester flat and split yarn Polyester flat and split yarn

1993-04-20

1994-09-20

Acquah, Samuel A.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

528272, 528288, 528296, 528302, 528307, 528350, 528353, 525437, 525440, 2641771, 2642107, B29C 4700

Patent

active

053487001

ABSTRACT:
Flat and split yarn formed by extrusion molding, comprising as a main component an aliphatic polyester having a melt viscosity of 2.0.times.10.sup.3 -4.0.times.10.sup.4 poises at a temperature of 190.degree. C. and a shear rate of 100 sec.sup.-1, and having a melting point of 70.degree.-190.degree. C. The present invention provides flat and split yarn having excellent in heat stability and mechanical strength as well as having biodegradability.

REFERENCES:
patent: 2999851 (1961-09-01), Elmer
patent: 4041208 (1977-08-01), Seeger et al.
patent: 4057537 (1977-11-01), Sinclair
patent: 4076798 (1978-02-01), Casey et al.
patent: 4166873 (1979-09-01), Gilliam
patent: 5068143 (1991-11-01), Agger et al.

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