Cellophane coating having improved wet stretch at low temperatures

Claim 1

A METHOD OF PREPARIN A SHEET OF REGENERATED CELLULOSE HAVING A COATING WHICH POSSESSES A HIGH WET STRETCH AT TEMPERATURES IN THE RANE BETWEEN ABOUT 0 AND 5* C. COMPRISING APPLYING TO SAID SHEET OF REGENERATED CELLULOSE A LACQUER CONTAINING AS ITS PRINCIPAL CONSTITUENTS NITROCELLULOSE AND ACETYL TRIBUTYL CITRATE AS A LIQUID PLASTICIZER, SAID LACQUER EXCLUSIVE OF THE SOLVENT THEREFOR COMPRISING IN PERCENT BY WEIGHT ABOUT 45 TO ABOUT 55% NITROCELLULOSE AND ABOUT 36 TO ABOUT 44% BY WEIGHT OF PLASTICIZER, OF WHICH ABOUT 15 TO 44% BY WEIGHT IS ACETL TRIBUTYL CITRATE AND THE BALANCE OF SAID PLSTICIZER BEING A SOLID PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF PHTHALIMIDOETHYL PROPIONATE, DICYCLOHEXYL PHTHALATE, ETHYL BENZOYL BENZOATE, DIPHENYL PHTHALATE, ETHYLENE GLYCOL DIBENZOATE, N-ETHYL P-TOLUENE SULFONAMIDE, CYCLOHEXYL P-TOLUENE SULFONAMIDE, ETHYL OXIANILATE, DIISOBUTYL TARTRATE, SUCROSE OCTO-ACETATE, ACETANILIDE, PHENYL BENZOATE, NAPHTHYL BENZOATE, GLYCERYL BENZOATE, TRIPHENYL PHOSPHATE, AND CAMPHOR.