One-pack type thermosetting polyurethane coating composition from a blocked isocyanate containing an oxadiazinetrione ring
US4474934A · kind A · utility
8Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1982 |
| Grant date | Oct 2, 1984 |
| Priority date | — |
| Expiry date | Nov 29, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/8061
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a thermosetting polyurethane coating composition of one-pack type which comprises (1) a compound having at least one NCO group blocked with an alcohol, lactam or oxime blocking agent and at least one oxadiazine-2,4,6-trione ring and (2) a polyol having a molecular weight of 400 to 50,000. The composition has good storage stability and provides coating films having no problems such as yellowing and pin-holes and excellent in mechanical properties, chemical resistance and weather resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.