Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing
Patent
1975-05-19
1977-05-10
Morris, Theodore
Compositions: coating or plastic
Coating or plastic compositions
Carbohydrate or derivative containing
C08L 124
Patent
active
040226310
ABSTRACT:
Cellulosic articles are regenerated from a cellulosic solution formed by the addition of cellulosic material to dimethyl sulfoxide and formaldehyde or paraformaldehyde by contacting the cellulosic solution with an aqueous solution having a pH greater than seven of a water soluble nucleophilic compound selected from the group consisting of ammonia, ammonium salts, saturated amines and salts of sulfur compounds in which the sulfur has a valence of less than six.
REFERENCES:
patent: 3236669 (1966-02-01), Williams
patent: 3706526 (1972-12-01), Swidler
Davies Richard E.
Hammer Richard B.
Portnoy Norman A.
Turbak Albin F.
Holt H. J.
International Telephone and Telegraph Corporation
Morris Theodore
Raden J. B.
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