Latent catalysts for epoxy reactions
US4725652A · kind A · utility
25Cited by
18References
96Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1987 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | Mar 4, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31515
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Latent catalysts for epoxy reactions are prepared by reacting a tetrasubstituted onium compound such as tetrabutylphosphonium acetate.acetic acid complex or an amine compound with an acid having a weak-nucleophilic anion such as fluoboric acid. These catalysts provide stable latent catalysts for epoxy resins for advancement or curing reactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.