关键词: 聚甲氧基甲缩醛, 柴油添加剂, 甲醇

Abstract: Polyoxymethylene dimethyl ethers are the world-wide recognized environment-friendly fuel components，and have great application prospect. The present work is aimed to provide an overview on polyoxymethylene dimethyl ethers in recent years；mainly to focus on the synthesis method，thermodynamics，reaction kinetics，process route and the types of catalysts used for the synthesis reactions of polyoxymethylene dimethyl ethers；and to summarize the features and advantages of each method. Meanwhile，part of the physical and chemical nature of polyoxymethylene dimethyl ethers and the analysis method are introduced. Authors’ opinions concerning the prospect of polyoxymethylene dimethyl ethers are presented，pointing out that methanol-based synthetic polyoxymethylene dimethyl ethers has important significance on the promotion of utilization of methanol and extension of downstream product chain of methanol.

Key words: polyoxymethylene dimethyl ethers, diesel fuel additives, methanol