Thermosettable epoxy resins with improved impact resistance
US4602070A · kind A · utility
9Cited by
8References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1985 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/581
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An advanced epoxy resin is prepared by reacting in the presence of a suitable catalyst such as ethyltriphenyl phosphonium acetate.acetic acid complex (A) a mixture containing (1) a polyglycidyl ether of a material containing at least two aliphatic hydroxyl groups per molecule such as a diglycidyl ether of a polyoxypropylene glycol and (2) a dicarboxylic acid such as malonic acid with (B) a dihydric phenol such as bisphenol A. These advanced epoxy resins are useful in the preparation of automobile paints, exterior coatings for beverage cans, coil coatings and adhesives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.