Aqueous cationic coating from amine-epoxy adduct, polyamide, and semi-blocked polyisocyanate, acid salt
US4134866A · kind A · utility
63Cited by
6References
21Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 3, 1977 |
| Grant date | Jan 16, 1979 |
| Priority date | — |
| Expiry date | Jun 3, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/901
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A cationic electrophoretic coating composition comprises a resinous binder which is prepared by reacting an epoxy resin-amine adduct (A) with a partially blocked polyisocyanate (C) and mixing or reacting a polyamide (B) with the resulting product, or by reacting a polyamide (B) with a partially blocked polyisocyanate (C) and mixing or reacting an epoxy resin-amine adduct (A) with the resulting product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.