Polyvinyl alcohol fiber and method of manufacture thereof

Details Polyvinyl alcohol fiber and method of manufacture thereof Polyvinyl alcohol fiber and method of manufacture thereof

1987-12-28

1990-11-20

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

264185, 2642108, D02G 300

Patent

active

049718614

ABSTRACT:
A high tenacity, high intitial modulus polyvinyl alcohol fiber showing a high level of crystalline heat of fusion, characterized in that the fiber is made of polyvinyl alcohol having a degree of polymerization of not less than 1,500, has a tenacity of not less than 17 g/d and an initial modulus of elasticity of not less than 400 g/d and shows a crystalline heat of fusion of not less than 29 cal/g, and a method of producing said polyvinyl alcohol fiber comprising:

REFERENCES:
patent: 4599267 (1986-07-01), Kwon et al.
patent: 4603083 (1986-07-01), Tanaka et al.
Chemical Abstracts, vol. 107, No. 12, published Sep. 21, 1987, Abstract No. 981085 (corresponding to JPA 61/289112), published Dec. 19, 1986.

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