Cellulose acetate butyrates(CAB) were homogeneously synthesized in an ionic liquid,1-allyl-3-methyl-imidazolium chloride(AmimC1).By a sequence of first adding butyric anhydride and then acetic anhydride in the cellulo...
详细信息
Cellulose acetate butyrates(CAB) were homogeneously synthesized in an ionic liquid,1-allyl-3-methyl-imidazolium chloride(AmimC1).By a sequence of first adding butyric anhydride and then acetic anhydride in the cellulose/AmimCl solutions,CAB products with the butyryl contents ranging from 33% to 47%(mass) were *** analysis showed that among the three OH groups of the anhydroglucose unit(AGU) of the synthesized CAB,the distribution of the butyryl moieties showed a preference at the C6 position,while the partial degree of substitution of acetyl moieties at the C6 position showed the minimum *** measurement showed that CAB samples readily dissolved in the common organic solvents,such as methyl ethyl ketone,dichloromethane,and ethyl acetate.
暂无评论