C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 65/26 (2006.01) C08G 18/48 (2006.01)
Patent
CA 2542073
This invention relates to ethylenically unsaturated macromers which contain reactive unsaturation, and to a process for preparing these ethylenically unsaturated macromers which container reactive unsaturation. The process of preparing these ethylenically unsaturated macromers comprises reacting a monofunctional compound which corresponds to a specific formula with at least one alkylene oxide, in the presence of at least one alkoxylation catalyst. The ethylenically unsaturated macromers correspond to the formula set forth herein. This invention also relates to preformed stabilizers comprising ethylenically unsaturated macromers, to a process for preparing these preformed stabilizers, to polymer polyols comprising these preformed stabilizers, and to a process of preparing these polymer polyols which comprise these preformed stabilizers. Polymer polyols comprising ethylenically unsaturated macromers and a process for their preparation are also described.
L'invention concerne des macromères non saturés en éthylène à insaturation réactive, et un procédé d'élaboration correspondant, selon les étapes suivantes : réaction entre un composé monofonctionnel qui correspond à une formule spécifique et au moins un oxyde d'alkylène, en présence d'au moins un catalyseur d'alcoxylation. Les macromères en question correspondent à la formule décrite. L'invention concerne également des stabilisateurs préformés qui renferment ces macromères, un procédé d'élaboration correspondant, des polyols polymères renfermant lesdits stabilisateurs, et un procédé d'élaboration de ces polyols. L'invention concerne aussi des polyols polymères qui renferment les macromères décrits, et un procédé d'élaboration correspondant.
Adkins Rick L.
Guelcher Scott
Bayer Materialscience Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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