The present invention provides a process for producing a (poly)alkylene glycol monoalkyl ether with high selectivity and high yield. In this process, the (poly)alkylene glycol monoalkyl ether is produced by reacting an olefin and a (poly)alkylene glycol in the presence of a catalyst, wherein: 1) a crystalline metallositicate is used as the catalyst, and at least a portion of the used catalyst is regenerated, and the regenerated catalyst is recycled as the catalyst for the reaction; or 2) the reaction between the olefin and the (poly)alkylene glycol is carried out in the presence of either or both of a (poly)alkylene glycol dialkyl ether and an alcohol.
本发明提供了一种具有高选择性和高产率的(聚)亚烷基二醇单烷基醚的生产工艺。在该工艺中,(聚)亚烷基二醇单烷基醚是通过烯烃和(聚)亚烷基二醇在催化剂存在下反应制得的,其中:1) 使用结晶型
金属
锡酸盐作为催化剂,使用过的催化剂至少有一部分被再生,再生的催化剂作为反应催化剂被循环使用;或 2) 烯烃和(聚)亚烷基二醇之间的反应在(聚)亚烷基二醇二烷基醚和醇中的一种或两种存在下进行。