Reactive binding agent with an extended pot life
US6548615B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2001 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Mar 2, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/288
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a reactive composition containingA) an isocyanate-containing compound,B) a polyol,C) an organic tin or bismuth compound,D) a thiol group-containing compound or a polyphenol which is able to react with an isocyanate group in the presence of a tertiary amine as activator and with adjacent hydroxyl groups andE) a hydrolyzable halogen compound,wherein the molar ratio SH and/or OH:metal is 2 to 500 and the molar ratio halogen/metal is 0.05 to 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.