Latent catalysts comprising bismuth carboxylates and zirconium carboxylates
US5064871A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1990 |
| Grant date | Nov 12, 1991 |
| Priority date | — |
| Expiry date | Nov 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a composition comprising an isocyanate-reactive compound and a catalyst comprising a bismuth carboxylate and a zirconium carboxylate, wherein the catalyst is present in an amount sufficient to catalyze a reaction with the isocyanate-reactive compound and a polyisocyanate. Also disclosed is a process for preparing a composition, which comprises contacting an isocyanate-reactive compound with a polyisocyanate, in the presence of an effective amount of a catalyst comprising a bismuth carboxylate and a zirconium carboxylate, under reaction conditions sufficient to form a composition containing at least one urethane group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.