Catalyst composition and process therewith

B - Operations – Transporting – 01 – J

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B01J 31/00 (2006.01) B01J 31/02 (2006.01) B01J 31/12 (2006.01) B01J 31/18 (2006.01) C08G 63/85 (2006.01)

Patent

CA 2437020

A composition that can be used as a catalyst is disclosed. The composition comprises, or is produced by combining, a titanium compound, a glycol, a phosphorus compound, and optionally water. Also disclosed is a process that can be used for producing a polyester. The process comprises contacting, in the presence of a catalyst composition, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization. The catalyst composition comprises, or is produced by combining, a titanium compound, a glycol, a phosphorus compound, and optionally water.

L'invention concerne une composition pouvant s'utiliser en tant que catalyseur. Cette composition comprend, ou est produite par combinaison, d'un composé de titane, d'un glycol, d'un composé de phosphore et éventuellement d'eau. L'invention concerne également un procédé pouvant être utilisé dans la production d'un polyester. Ce procédé consiste à mettre en contact, en présence d'une composition de catalyseur, un composé carbonylé et un alcool dans des conditions propices à l'estérification, à la transestérification ou à la polymérisation. La composition de catalyseur de l'invention comprend, ou est produite par combinaison, d'un composé de titane, d'un glycol, d'un composé de phosphore et éventuellement d'eau.

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