Trimer catalyst additives for improving foam processability

US8552077B2 · kind B2 · utility

Assignee

• AIR PRODUCTS AND CHEMICALS, INC. · US

Inventors

• Juan Jesus Burdeniuc · Macungie, US
• Torsten Panitzsch · Henstedt-Ulzburg, DE
• John E. Dewhurst · Macungie, US
• Gamini Ananda Vedage · Bethlehem, US

Key dates

• Filing date: May 4, 2006
• Grant date: Oct 8, 2013
• Expiry date: Mar 18, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2375/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides trimerization catalyst compositions and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions. The catalyst composition is the contact product of at least one α,β-unsaturated carboxylate salt and at least one second carboxylate salt.