大茴香醛改性海藻酸钠凝胶的制备及释药性能 关键词：海藻酸钠；缩醛化；凝胶；药物释放 [gap=696]Key words：alginate；acetalization；hydrogel；drug release
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This acetalization could take place at room temperature with over 65% yield.
该反应能在室温下进行，产率达65%以上。
This mechanism is different from that for the acetalization reaction of polyvinyl alcohol with saturated aldehydes, which has only 1, 2 addition.
此机理不同于只有1,2加成方式的聚乙烯醇缩饱和醛化反应。
Ethylene glycol glycosides, useful as humectant in cosmetics, were prepared by phosphoric acid-catalyzed acetalization of glucose with ethylene glycol.
在磷酸催化下，由葡萄糖和乙二醇经缩醛化反应制备了乙二醇葡糖苷，可用作化妆品保湿剂。
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