Condensed acetoacetic-acid-ester titanium-chelates and...

Details Condensed acetoacetic-acid-ester titanium-chelates and... Condensed acetoacetic-acid-ester titanium-chelates and...

C - Chemistry, Metallurgy

07

F

252/111, 260/426

C07F 7/28 (2006.01) B01J 31/22 (2006.01) C07C 51/41 (2006.01) C07F 7/00 (2006.01)

Patent

CA 1319935

ABSTRACT OF THE DISCLOSURE: Titanium chelates comprising 1 or 2 acetoacetic acid ester ligands and one to two alkoxy groups per titanium atom the sum of these ligands and the alkoxy groups being three as well as a Ti-O-Ti bridge between two titanium atoms, are formed by release of alcohol and condensation of mono- or bis-acetoacetic acid ester-Ti-(IV)-chelates which have up to 4 alkoxy groups per titanium atom. These chelates are useful as catalysts for cross-linking-silicones having terminal hydroxy groups.

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