MIXTURE FOR MANUFACTURING OF ETHER CELLULOSE FILMS Russian patent published in 1997 - IPC

FIELD: chemical industry, namely, production of film and fibrous materials. SUBSTANCE: solution for molding comprises, mas.%: triacetyl cellulose, 8-10; 1-[I^I-methyl-benzimidazolyl-2^I]-3-methyl-5-[2^II-(p-sulfamidophenyl)-4^II,6^II-dimethylpyrimidyl]formazane or its nickel complex; mixture of methylene chloride and ethanol at their volume ratio 9:1 respectively, up to 100. EFFECT: improved resistance of desired film and fibrous materials against UV-irradiation; improved thermal stability of desired product. 1 tbl