Process for preparing formable sheet structures

Details Process for preparing formable sheet structures Process for preparing formable sheet structures

1986-06-12

1989-08-29

Lorin, Hubert

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

26421112, 26421117, 264234, 264345, 2642356, D03D 1508, D01D 1002

Patent

active

048615358

ABSTRACT:
A textile sheet structure which is irreversibly highly deformable is prepared by weaving or knitting a yarn which has a degree of elasticity under a load of 5 cN/tex of less than 50% and which consists at least in part of partially oriented, undrawn synthetic filaments which have birefringence values above 20.times.10.sup.-3, elongations at break between 70 and 200% and flow stresses of at least 6 cN/tex, which have been produced by high-speed spinning and are then subjected to a heat treatment under stress at temperatures between 100.degree. and 180.degree. C.

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Derwent Abstract of East German (German Dem. Repub.) Patent 125,918, published May 27, 1976.
Jacob, I. et al., Chemiefasern/Textilindustrie 30/82, 114-119, 228-232 (1980) (in English translation and German original).

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