Title:
環式エーテルの重合法
Document Type and Number:
Japanese Patent JP2006511641
Kind Code:
A
Abstract:
The present invention relates to a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymer, diester or monoester by polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer and of an acidic heterogeneous catalyst based on activated sheet silicates or mixed metal oxides in a fluidized bed.
Inventors:
Stephan shritter
Martin Haupner
Peter Zener
Michael hesse
Alexander Veck
Rolf Pincos
Thomas Glasler
Martin Haupner
Peter Zener
Michael hesse
Alexander Veck
Rolf Pincos
Thomas Glasler
Application Number:
JP2004563185A
Publication Date:
April 06, 2006
Filing Date:
December 23, 2003
Export Citation:
Assignee:
BASF Aktiengesellschaft
International Classes:
C08G65/20; C08G65/26
Domestic Patent References:
| JP2004530779A | 2004-10-07 | |||
| JPS61123628A | 1986-06-11 | |||
| JPS6279223A | 1987-04-11 | |||
| JPH11292958A | 1999-10-26 | |||
| JPS62205120A | 1987-09-09 |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel