Photo-latent titanium catalysts

US10207261B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Tobias Hintermann · Therwil, CH
• Didier Bauer · Kembs, FR
• Antoine Carroy · Schifferstadt, DE
• Caroline Lordelot · Mannheim, DE
• Rachel Kohli Steck · Basel, CH

Key dates

• Filing date: Sep 9, 2010
• Grant date: Feb 19, 2019
• Expiry date: Sep 9, 2030

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/46
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention provides a photolatent Ti-chelate catalyst formulation, comprising (i) at least one compound of the formula (I) wherein R1 is C1-C20alkyl or C2-C20alkyl which is interrupted by one or more non-consecutive O-atoms; Y is formula (II) or optionally substituted phenyl; Y1 is formula (III) or optionally substituted phenyl; Y2 is formula (IV) or optionally substituted phenyl; Y3 is formula (V) or optionally substituted phenyl; R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are hydrogen, halogen, optionally substituted C1-C20alkyl, or R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are optionally substituted C6-C14aryl, provided that only one of R2, R3, R4 is hydrogen and only one of R5, R6, R7 is hydrogen and only one of R8, R9, R10 is hydrogen and only one of R11, R12, R13 is hydrogen; and (ii) at least one chelate ligand compound of the formula IIa, IIb or IIc, wherein Y′ is formula (VI) or formula (VII); Y′1 is formula (VIII) or formula (IX); R′2, R′3, R′4, R′5, R′6 and R′7 independently of each other have on of the meanings as given for R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13; and…