本文介绍了缩醛化原理及最佳工艺条件的选择。

This article introduces the principle of acetalation and the selection of the optimal technological condition.

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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。

This mechanism is different from that for the acetalization reaction of polyvinyl alcohol with saturated aldehydes, which has only 1, 2 addition.

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研究了原料甲醛中甲醇含量对低醛化(低摩尔比)脲醛树脂性能的影响。

Influence of methanol content in formaldehyde used as raw material for preparing low-formaldehyde (low molecular ratio) UF resin was studied.

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