Epoxy resinous varnish its preparation and coating composition containing the same
US4680348A · kind A · utility
1Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1984 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Oct 16, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/93
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to an epoxy-based heat-curing type primer coating composition which is specifically excellent in corrosion resistance and other physical properties. The invention is characterized by using a heat curing type epoxy resin which has incorporated into the resin or admixed therewith a resorcin structure or an epoxy resin having a strong acid so as to give a particular resinous acid value or an epoxy resin amphoterized with alkyleneimine compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.