The influence of reaction temperature and reaction time on degree of esterification were investigated.
通过正交实验考察了反应时间、反应温度对聚乙烯醇酯化程度的影响。
Direct esterification will take long reaction time with low yield.
直接酯化法反应时间长，产率低。
Direct esterification will take long reaction time with low yield.
直接酯化法反应时间长，产率低。
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