Films from modified regenerated cellulose

Details Films from modified regenerated cellulose Films from modified regenerated cellulose

1975-09-16

1977-05-31

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

264186, 264188, C08L 124

Patent

active

040267180

ABSTRACT:
A modified regenerated cellulose film comprising regenerated cellulose and certain modified starches is clear and transparent and has substantially the same mechanical and optical properties as conventional unmodified regenerated cellulose films. The modified starches used are starches degraded by oxidation and/or hydrolysis, uncrosslinked ethers or esters of starch or of starches degraded by oxidation and/or hydrolysis or mixtures thereof. The amount of modified starch used represents 1 to 49% by weight, preferably 5 to 30% by weight, based on the total weight of cellulose and modified starch. Methods for the production of said modified regenerated cellulose film either by the viscose process or by the cuprammonium process are also described.

REFERENCES:
patent: 2077412 (1937-04-01), Herzog
patent: 3066032 (1962-11-01), Fukushima

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