Process for preparing a cotton-like rayon fiber

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion

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264197, 536 61, D01F 206

Patent

active

043648894

ABSTRACT:
An improved viscose rayon fiber is disclosed having a degree of polymerization of greater than about 500 and an alkali solubility of below about 7.5%, the fiber also exhibits a tenacity of about 5-6 grams per denier and a conditional elongation of between about 10-20%. This fiber exhibits increased toughness and increased wet strength when compared with prior art rayon fibers.

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patent: 3836336 (1974-09-01), Yasui et al.
patent: 3875141 (1975-04-01), Drisch
patent: 4121012 (1978-10-01), Bockno
patent: 4163840 (1979-08-01), Geyer et al.
patent: 4182735 (1980-01-01), Costa et al.
patent: 4242405 (1980-12-01), Bockno
patent: 4245000 (1981-01-01), Bockno
patent: 4260739 (1981-04-01), Geyer et al.

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