Title:
ポリテトラヒドロフランのモノエステル及び/又はジエステルを含有する混合物の解重合のための方法
Document Type and Number:
Japanese Patent JP2010538136
Kind Code:
A
Abstract:
The present invention provides a process for depolymerizing mixtures comprising mono- and/or diesters of polytetrahydrofuran in the presence of an acidic catalyst and of a C1- to C3-alcohol at temperatures of from 80 to 200° C. and a pressure of from 0.05 to 0.5 MPa, where the molar ratio of the C1- to C3-alcohol relative to the carboxyl groups present in the mixture is greater than 1.
Inventors:
Tobias Verpnitz
Ricardo Ferret Jimenez
Robert Laupner
Ralph Stole
Ricardo Ferret Jimenez
Robert Laupner
Ralph Stole
Application Number:
JP2010523479A
Publication Date:
December 09, 2010
Filing Date:
August 27, 2008
Export Citation:
Assignee:
BASF SE
International Classes:
C08G65/46
Domestic Patent References:
| JPH11269262A | 1999-10-05 | |||
| JPS57100132A | 1982-06-22 | |||
| JPS62257931A | 1987-11-10 | |||
| JPS60109584A | 1985-06-15 | |||
| JPS61188420A | 1986-08-22 |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel