Catalyst for curing resins
US4178429A · kind A · utility
54Cited by
12References
31Claims
0Family size
Inventor
Key dates
| Filing date | Nov 17, 1978 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | Nov 17, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Process and catalyst for curing resins (e.g. furans) comprising concentrated aqueous solutions of perchloric acid (about 45-72%) and the cured resins obtained using said catalyst. Improved catalyst combinations for curing resins in a process employing same and the cured resin produced thereby comprising concentrated perchloric acid, a small amount of phosphoric acid and/or a small amount of boric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.