Novel polyvinyl alcohol compositions and products prepared there

Details Novel polyvinyl alcohol compositions and products prepared there Novel polyvinyl alcohol compositions and products prepared there

1988-12-28

1989-07-25

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

2642103, 2642107, 2642108, 26421116, 26421115, 264185, 524173, 524379, 524503, B05B 300, B29C 3502

Patent

active

048511684

ABSTRACT:
Solutions of polyvinyl alcohol in non-aqueous mixtures of dimethyl sulfoxide and up to about 30 weight percent, based on said mixture, of an alcohol containing from 1 to about 4 carbon atoms can be converted to hydrogels, fibers and other useful products.

REFERENCES:
patent: 3932574 (1976-01-01), Shiraishi et al.
patent: 4131581 (1978-12-01), Coker
patent: 4244914 (1981-01-01), Ranalli et al.
patent: 4599267 (1987-12-01), Kwon et al.
patent: 4603083 (1987-10-01), Tanaka et al.
patent: 4612157 (1986-09-01), Genba et al.
patent: 4663358 (1987-05-01), Hyon et al.
patent: 4698194 (1987-10-01), Tanaka et al.
patent: 4713290 (1987-12-01), Kwon et al.
patent: 4765937 (1988-08-01), Hyon et al.
Text, Polyvinyl Alcohol Fibers, by Ichiro Sakurada (Marcel Decker, 1985).

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