公开(公告)号：EP2675780A1

公开(公告)日：2013-12-25

申请号：EP12703321.5

申请日：2012-02-13

Applicant: BASF SE

Inventor： MAIDHOF, Thomas ,  KRONEMAYER, Helmut ,  GROSCH, Georg, Heinrich ,  VOGELSANG, Regina ,  GUMBEL, Klaus, Peter ,  BALENSIEFER, Tim ,  SHILKIN, Alexey

IPC: C07C41/08 ,  C07C43/16

CPC classification number: C07C41/08 ,  C07C43/16

Abstract: A process for preparing divinyl ethers by reacting compounds having two hydroxyl groups (referred to hereinafter as diols) with acetylene, characterized in that - reaction of the hydroxyl groups with acetylene is incomplete and the product mixture obtained therefore comprises not only the divinyl ether but also the monovinyl ether and - the monovinyl ether is separated from the product mixture by an extractive distillation in the presence of an extractant.

公开(公告)号：EP2675780B1

公开(公告)日：2014-10-01

申请号：EP12703321.5

申请日：2012-02-13

Applicant: BASF SE

Inventor： MAIDHOF, Thomas ,  KRONEMAYER, Helmut ,  GROSCH, Georg, Heinrich ,  VOGELSANG, Regina ,  GUMBEL, Klaus, Peter ,  BALENSIEFER, Tim ,  SHILKIN, Alexey

IPC: C07C41/08 ,  C07C43/16

CPC classification number: C07C41/08 ,  C07C43/16