Abstract: Methylal is not only an essential intermediate to synthesize polyoxymethylene，but also a down-stream product of methanol. This review summarizes the progress in methylal synthesis with evaluation and comparison of different technologies from methanol with formaldehyde，dimethyl ether，methanol with polyoxymethylene according to the difference in starting material and details in synthetic technology.

摘要： 概述了甲缩醛合成工艺的研究进展，根据反应原料和工艺流程复杂程度，对甲醇与甲醛催化缩醛反应制备甲缩醛、甲醇一步氧化法制甲缩醛、二甲醚氧化生成甲缩醛、甲醇与多聚甲醛反应制备甲缩醛等几种工艺进行了比较和评价。