Title:
低い色価を有するポリテトラヒドロフランの改善された製造方法
Document Type and Number:
Japanese Patent JP2004506763
Kind Code:
A
Abstract:
In a process for preparing polytetrahydrofuran, tetrahydrofuran copolymers, diesters or monoesters of these polymers having a low color number, the polymers obtained by cationic polymerization of tetrahydrofuran are hydrogenated in the presence of a macroporous, supported heterogeneous catalyst comprising at least one metal of groups 7 to 10 of the Periodic Table of the Elements as active metal.
Inventors:
Christoph Siegwald
Anton Meier
Michael hesse
Volkmer Menger
Claus-Peter Puffaff
Artur Hane
Roter Franz
Anton Meier
Michael hesse
Volkmer Menger
Claus-Peter Puffaff
Artur Hane
Roter Franz
Application Number:
JP2002519539A
Publication Date:
March 04, 2004
Filing Date:
July 24, 2001
Export Citation:
Assignee:
BASF Aktiengesellschaft
International Classes:
C08G65/20; C08G65/30; C08G65/322; (IPC1-7): C08G65/30
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Previous Patent: 水性の架橋性バインダー組成物及びラッカーコーティングの製造にそれを...
Next Patent: 酸素原子が含まれている炭化水素環を少なくとも１個含有するシンソンを...
Next Patent: 酸素原子が含まれている炭化水素環を少なくとも１個含有するシンソンを...