Elastomer polyurethane-polyurea coatings based on bis(4-isocyanatocyclohexyl)methane
US4581433A · kind A · utility
36Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1985 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Apr 29, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/4829
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to coating compositions comprising (i) an isocyanate prepolymer based on bis(4-isocyanatocyclohexyl)methane and polyalkylene ether polyols having hydroxyl functionalities of 2 to 3 and (ii) at least one diprimary aromatic diamine having at least one alkyl substituent in an ortho-position to one amino group and two alkyl substituents in both ortho-positions to the other amino group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.