| 摘要 |
1489958 Cellulose propionate compositions BRAAS & CO GmbH 3 Oct 1975 [5 Oct 1974] 40504/75 Heading C3F A composition, useful for moulding into shaped articles, comprises cellulose propionate plasticized with camphor. Additional plasticizers may be added, dibutyl adipate, dimethyl glycol phthalate and trichloroethyl phosphate being specified. The composition is best made by mixing the ingredients with one or more solvents, the specified ones being ethanol, ethyl acetate and methyl glycol acetate. |
