High-tenacity water-soluble polyvinyl alcohol fiber and process

Details High-tenacity water-soluble polyvinyl alcohol fiber and process High-tenacity water-soluble polyvinyl alcohol fiber and process

1991-07-11

1993-05-04

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428397, D02G 300

Patent

active

052081044

ABSTRACT:
A high-tenacity water-soluble polyvinyl alcohol fiber comprising a fiber composed of a polyvinyl alcohol polymer with a degree of polymerization of at least 1500 and a degree of saponification of 80 to 99 mol % and having a tensile strength of at least 10 g/d, an initial modulus of at least 100 g/d, and a water soluble temperature of 100.degree. C. or below, and a process of producing the fiber.

REFERENCES:
patent: 3915750 (1975-10-01), Uetani et al.
patent: 3987140 (1976-10-01), Mizobe et al.
patent: 4478971 (1984-10-01), Ballard
patent: 4603083 (1986-07-01), Tanaka et al.
patent: 4713290 (1987-12-01), Kwon

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