Production of high strength cellulose fiber using zinc chloride,

Details Production of high strength cellulose fiber using zinc chloride, Production of high strength cellulose fiber using zinc chloride,

1988-10-21

1991-03-12

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642106, 2642108, 26421111, 26421115, 264211, 1061631, D01F 202

Patent

active

049991493

ABSTRACT:
The present invention relates to the production of high tensile strength, solvent-spun cellulose fiber which is stable in alkaline solutions. More particularly, the invention relates to a process in which cellulose is solubilized in a zinc chloride solution then extruded into a coagulation medium in which the cellulose fibers form. The fibers are removed from the coagulation medium, treated to remove the coagulation medium, stretched and recrystallized in water, thus forming the high tensile strength, solvent-spun cellulose fibers.

REFERENCES:
patent: 625033 (1899-05-01), Hoyne
patent: 4388256 (1983-06-01), Ishida et al.

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