| 摘要 |
Disclosed is a method of preparing lower fatty acid esters of cellulose which comprises esterifying at a temperature of between about 75 DEG C. and about 110 DEG C. a cellulose compound having esterifiable hydroxyl groups with an esterifying bath comprising an organic acid anhydride, a diluent, and from about 0.3% to about 3.0% by weight, based on the weight of cellulose, of a catalyst selected from p-toluene sulfonic acid, methane sulfonic acid, methane disulfonic acid or m-benzene disulfonic acid.
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