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翻译结果1复制译文编辑译文朗读译文返回顶部

In this paper, cellulose acetate preparation conditions and under different conditions to compare the degree of substitution. Common in acetic acid as solvent, the use of acid catalyst, esterification with an appropriate amount of acetic anhydride, the temperature is not high, time is not often, but

翻译结果2复制译文编辑译文朗读译文返回顶部

正在翻译,请等待...

翻译结果3复制译文编辑译文朗读译文返回顶部

This major study on preparation conditions of cellulose acetate under different conditions and comparison of the degree of substitution. Is now common in acetic acid as solvent, acid catalysts, esterification with appropriate amount of acetic anhydride, the temperature is not high, not often, but to

翻译结果4复制译文编辑译文朗读译文返回顶部

This article examines the acetate produced conditions and under different conditions of place. It is now common in the acetic acid as a solvent, use with a suitable acid catalyst, and the acetic anhydride esters, temperature is not high, and the time is not constant, but to be pre-processed.

翻译结果5复制译文编辑译文朗读译文返回顶部

This article main research acetyl cellulose preparation condition and under dissimilar condition substitution value comparison.At present common is takes the solvent in the acetic acid, the use acidic catalyst, carries on the esterification with the right amount acetic anhydride, the temperature is
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