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1. WO2006042944 - METHOD FOR THE PREPARATION OF ORGANOPOLYSILOXANE BY POLYMERIZATION AND REARRANGEMENT OF CYCLIC SILOXANES

Publication Number WO/2006/042944
Publication Date 27.04.2006
International Application No. PCT/FR2005/002543
International Filing Date 14.10.2005
IPC
C08G 77/08 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
77Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon
04Polysiloxanes
06Preparatory processes
08characterised by the catalysts used
CPC
C08G 77/08
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
77Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
04Polysiloxanes
06Preparatory processes
08characterised by the catalysts used
Applicants
  • RHODIA CHIMIE [FR]/[FR] (AllExceptUS)
  • FLEURY, Etienne [FR]/[FR] (UsOnly)
  • MAS, Jean-Manuel [FR]/[FR] (UsOnly)
  • RAMDANI, Kamel [FR]/[FR] (UsOnly)
Inventors
  • FLEURY, Etienne
  • MAS, Jean-Manuel
  • RAMDANI, Kamel
Agents
  • MEKKI, Boualem
Priority Data
041093715.10.2004FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR THE PREPARATION OF ORGANOPOLYSILOXANE BY POLYMERIZATION AND REARRANGEMENT OF CYCLIC SILOXANES
(FR) PROCEDE DE PREPARATION D'ORGANOPOLYSILOXANE PAR POLYMERISATION ET REARRANGEMENT DE SILOXANES CYCLIQUES
Abstract
(EN)
The invention relates to silicon oils, more particularly to a novel method for the preparation of a silicon oil by polymerization and rearrangement of cyclic siloxanes in the presence of an alkaline catalyst and a co-catalyst which is a cryptand (macroheterobicyclic diamine) acting as a polymerization accelerator.
(FR)
Le domaine de la présente invention concerne le domaine des huiles silicones. Plus précisément, la présente invention concerne un nouveau procédé de préparation d'une huile silicone par polymérisation et réarrangement de siloxanes cycliques en présence d'un catalyseur alcalin et d'un co-catalyseur qui est un cryptand (une diamine macrohétérobicyclique) jouant le rôle d'accélérateur de polymérisation
Latest bibliographic data on file with the International Bureau