Method for curing polyurethanes
US4083901A · kind A · utility
19Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1975 |
| Grant date | Apr 11, 1978 |
| Priority date | — |
| Expiry date | Aug 29, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/77
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a process for the uniform cure of polyurethane elastomers including the steps of mixing polyurethane prepolymers, having free isocyanate groups, with a stable curing agent complex to form a blend, thereafter transferring it to a suitable mold and subjecting it to a predetermined amount of microwave energy until it is substantially cured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.