The effects of reaction temperature, reaction time and amount of NaOH on the degrees of substitution of products were discussed by orthogonal test.
通过正交实验，研究了氢氧化钠用量、反应温度和反应时间对取代度和反应效率的影响。
The best technical conditions were determined to obtain higher substitution CMC by the orthogonal experiment.
以取代度为目标，用正交实验方法确定了最佳工艺条件，制得较高取代度cmc。
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