Title:
テトラヒドロフラン-コポリマーの製造法
Document Type and Number:
Japanese Patent JP2005536615
Kind Code:
A
Abstract:
The present invention provides a process for one-stage preparation of polyoxyalkylene glycols by copolymerizing tetrahydrofuran and alpha,omega-diols in the presence of a heteropolyacid and of a hydrocarbon, which comprises distilling water in a mixture with this hydrocarbon out of the copolymerization.
Inventors:
Martin Haupner
Rolf pin course
Alexander Veck
Rolf pin course
Alexander Veck
Application Number:
JP2004531836A
Publication Date:
December 02, 2005
Filing Date:
July 30, 2003
Export Citation:
Assignee:
BASF Aktiengesellschaft
International Classes:
C08G65/28; C08G65/20; (IPC1-7): C08G65/28
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel