Method for preparing high molecular weight epoxy resins containing hydrolyzed epoxy groups
US4358577A · kind A · utility
9Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1980 |
| Grant date | Nov 9, 1982 |
| Priority date | — |
| Expiry date | Nov 26, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
High molecular weight epoxy resins containing hydrolyzed epoxy groups are prepared by reacting (A) a low molecular weight epoxy resin, and (B) a hydroxyl-containing compound in the presence of (C) a catalyst therefor and (D) an excess quantity of water and thereafter removing the excess water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.