High strength cellulose fiber or film

Details High strength cellulose fiber or film High strength cellulose fiber or film

1991-07-22

1994-03-01

Tentoni, Leo B.

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

536 56, C08L 102

Patent

active

052903494

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.
patent: 4742164 (1988-05-01), Iguchi et al.
Chegolya et al, "Production of Regenerated Cellulose Fibers Without Carbon Disulfide", Textile Research Journal (Sep. 1989).

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