Title:
プロピレングリコールの調製方法
Document Type and Number:
Japanese Patent JP2006521331
Kind Code:
A
Abstract:
Process for the preparation of propylene glycol from propylene oxide, which process comprises: (a) contacting propylene oxide with carbon dioxide in the presence of catalyst to obtain a first reaction mixture containing propylene carbonate, and (b) contacting at least part of the first reaction mixture with water in the presence of catalyst to obtain a second reaction mixture containing propylene glycol and carbon dioxide, in which process a substantial amount of propylene oxide is present in step (b).
Inventors:
Juan del Heide, Evert
Langhe, Jean-Paul
Midema, Arien
Langhe, Jean-Paul
Midema, Arien
Application Number:
JP2006505491A
Publication Date:
September 21, 2006
Filing Date:
March 25, 2004
Export Citation:
Assignee:
Ciel International Research Mart Shats Pay BV
International Classes:
C07C29/09; C07B61/00; C07C29/12; C07C29/80; C07C31/20; C07C68/06; C07D317/36
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura