Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing
Patent
1980-05-30
1982-06-29
Morris, Theodore
Compositions: coating or plastic
Coating or plastic compositions
Carbohydrate or derivative containing
106168, 536 56, 536 57, C08B 1600, C08L 102, C08L 108
Patent
active
043370950
ABSTRACT:
A process for the preparation of high concentration solutions of cellulose erivatives in organic solvents comprises contacting with paraformaldehyde and the solvent a cellulose which has a polymerization degree lower than 300 and preferably not significantly higher than 200. The solvent is selected from among dimethylformamide, dimethylacetamide and N-methylpyrrolidone.
REFERENCES:
patent: 4237274 (1980-12-01), Leoni et al.
patent: 4268666 (1981-05-01), Baldini et al.
Angelini Gianfranco
Baldini Alberto
Calloni Angelo
Leoni Roberto
Morris Theodore
SNIA Viscosa S.p.A. - Societa' Nazionale Industria Applicazioni
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