Polyurethane coatings and adhesives
US4714512A · kind A · utility
17Cited by
4References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1986 |
| Grant date | Dec 22, 1987 |
| Priority date | — |
| Expiry date | Jan 23, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31551
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The polyurethanes resulting from curing isocyanate-terminated urethane prepolymers with a N,N'-dialkylmethylenedianiline are broadly useful as coatings on the surface of objects made of metal, wood, glass, or plastic. Such coatings may be made based on either a 1-pack systemor 2-pack system. The diamine N,N'-di(2-butyl)4,4'-methylenedianiline is a particularly useful diamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.