Reducing the speed of aliphatic diamine curing agents in polyurethane cements
US4554300A · kind A · utility
1Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1985 |
| Grant date | Nov 19, 1985 |
| Priority date | — |
| Expiry date | Apr 12, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31529
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for preparing a polyurethane suitable for lining fuel tanks, said polyurethane having good, fuel resistance and improved hydrolysis resistance by using a ketimine of an aliphatic diamine as a curing agent in a three-component system composed of a prepolymer solution, a cement solution and a curing agent solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.