CELLULOSE TRIACETATE COMPOSITION FOR PRODUCTION OF FILMS Russian patent published in 1999 - IPC

Abstract RU 2128678 C1

FIELD: artificial fibers. SUBSTANCE: in order to protect cellulose triacetate films against light-oxidation destruction, original composition contains 8-10 wt % cellulose triacetate, 0.067-0.2 wt % oligoazomethyne with molecular weight 1680 (m-phenylenediamine-benzyl polycondensation product), and to 100% ofmethylene chloride-ethanol solvent mixture at volume ratio 9: 1. Number of cellulose triacetate macromolecule disruptions after 18-h irradiation of film in air is fivefold decreased. EFFECT: increased light resistance of material. 1 tbl, 12 ex

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RU 2 128 678 C1

Authors

Polishchuk B.O.

Dates

1999-04-10—Published

1997-02-18—Filed