Title:
ポリエーテルポリオールの製造方法
Document Type and Number:
Japanese Patent JP2008501812
Kind Code:
A
Abstract:
The invention relates to a process for the preparation of polyether polyols, which process involves: (a) contacting a phosphorus containing compound having at least one hydroxyl group with alkylene oxide to obtain alkoxylated initiator, (b) contacting the alkoxylated initiator with further alkylene oxide in the presence of a double metal cyanide complex catalyst.
Inventors:
Michael Valent Eleverd
Jan Helmen Hendrik Meurs
Peter Alexander Scoot
Jan Helmen Hendrik Meurs
Peter Alexander Scoot
Application Number:
JP2007513965A
Publication Date:
January 24, 2008
Filing Date:
June 02, 2005
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C08G65/26; C08G18/48; C08G18/50
Domestic Patent References:
| JPH05331278A | 1993-12-14 | |||
| JPH02276821A | 1990-11-13 | |||
| JPH03255126A | 1991-11-14 | |||
| JPH0428717A | 1992-01-31 | |||
| JPH03195727A | 1991-08-27 |
Attorney, Agent or Firm:
Kazuho Kawarada