C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 64/30 (2006.01) C08F 4/42 (2006.01) C08F 4/72 (2006.01) C08G 18/10 (2006.01) C08G 18/32 (2006.01) C08G 18/44 (2006.01) C08G 63/64 (2006.01)
Patent
CA 2466255
Ytterbium(III) acetylacetonate is used as a catalyst for the preparation of aliphatic oligocarbonate polyols by transesterification of at least one organic carbonate with at least one aliphatic polyol.
On utilise de l'acétylacétonate d'ytterbium(III) comme catalyseur pour préparer des polyols d'oligocarbonates aliphatiques par transestérification d'au moins un carbonate organique avec au moins un polyol aliphatique.
Bayer Materialscience Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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