Photo-latent titanium-oxo-chelate catalysts

US9809727B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

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

Key dates

• Filing date: Apr 2, 2012
• Grant date: Nov 7, 2017
• Expiry date: Jun 17, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/52
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A titanium-oxo-chelate catalyst formulation, comprising: (i) at least one compound of the formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 and R12 independently of each other are for example hydrogen, halogen, C1-C20alkyl, C6-C14aryl which is unsubstituted or substituted; or R1, R2 and R3 and/or R4, R5 and R6 and/or R7, R8 and R9 and/or R10, R11 and R12 together with the C-atom to which they are attached each form a C6-C14aryl group which is unsubstituted or substituted; or R1 and R2 and/or R4 and R5 and/or R7 and R8 and/or R10 and R11 together with the C-atom to which they are attached form a 5- to 7-membered carbocyclic ring; at least one chelate ligand compound of the formula (IIa), (IIb) or (IIc), wherein R1, R2, R3, R4, R5 and R6 are defined as above for formula (I), is suitable as photolatent catalyst formulation for polymerizing compounds, which are capable to crosslink in the presence of a Lewis acid.