Spinning of segmented polyurethane-urea elastomers in a steam at

Details Spinning of segmented polyurethane-urea elastomers in a steam at Spinning of segmented polyurethane-urea elastomers in a steam at

1990-04-04

1991-10-15

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

26421115, 26421117, D01D 504, D01F 670

Patent

active

050572601

ABSTRACT:
An improved dry spinning process for the production of polyurethane elastomer threads using superheated steam as the spinning medium, comprising

REFERENCES:
patent: 3053611 (1962-09-01), Griehl
patent: 3094374 (1963-06-01), Smith
patent: 3184426 (1965-05-01), Thoma et al.
patent: 3428711 (1969-02-01), Hunt
Database WPI, accession No. 68-23684q [00], Derwent Publications Ltd., London, GB.
JP-B-44 000 896 (Kurashiki Rayon Co., Ltd.), 16-01-1969.

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