| abstract |
Water soluble cellulose acetoacetates are prepared by contacting a cellulosic material with diketene, alkyl acetoacetate, 2,2,6-trimethyl-4H-1,3-dioxin-4-one or a mixture thereof. in a solvent system comprising lithium chloride as well as a carboxamide. Compositions containing the cellulose acetoacetates and, optionally, a crosslinking agent are useful for coating applications. |