Title:
METHOD FOR PRODUCING POLYETHERESTER CARBONATE POLYOLS
Document Type and Number:
WIPO Patent Application WO/2013/087582
Kind Code:
A3
Abstract:
The present invention relates to a method for producing polyetherester carbonate polyols by means of catalytic addition of carbon dioxide, alkylene oxides and cyclic anhydrides to H-functional starter compounds in the presence of double metal cyanide (DMC) catalysts.
Inventors:
GUERTLER CHRISTOPH (DE)
MUELLER THOMAS ERNST (DE)
KERMAGORET ANTHONY (FR)
DIENES YVONNE (DE)
BARRUET JULIEN (DE)
WOLF AUREL (DE)
GRASSER STEFAN (DE)
MUELLER THOMAS ERNST (DE)
KERMAGORET ANTHONY (FR)
DIENES YVONNE (DE)
BARRUET JULIEN (DE)
WOLF AUREL (DE)
GRASSER STEFAN (DE)
Application Number:
PCT/EP2012/074985
Publication Date:
October 17, 2013
Filing Date:
December 10, 2012
Export Citation:
Assignee:
BAYER IP GMBH (DE)
International Classes:
C08G64/34; C08G65/26
Domestic Patent References:
| WO2011089120A1 | 2011-07-28 |
Foreign References:
| EP2287226A1 | 2011-02-23 | |||
| US6713599B1 | 2004-03-30 |
Other References:
LIU Y. ET AL: "Synthesis, characterization and hydrolysis of an aliphatic polycarbonatet", POLYMER, vol. 47, 2006, pages 8453 - 8461, XP002677228
DATABASE CAPLUS [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; 15 November 2011 (2011-11-15), DONG XU ET AL: "Study on synthesis of a novel polyetherester polyol", XP002677229, Database accession no. 156:58806
DATABASE CAPLUS [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; 15 November 2011 (2011-11-15), DONG XU ET AL: "Study on synthesis of a novel polyetherester polyol", XP002677229, Database accession no. 156:58806
Attorney, Agent or Firm:
BIP PATENTS (Creative Campus MonheimAlfred-Nobel-Str. 10, Monheim, DE)
Download PDF:
Previous Patent: AMINO-SUBSTITUTED IMIDAZOPYRIDAZINES
Next Patent: METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS
Next Patent: METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS