Process for the preparation of a polyurethane structural support
US5192594A · kind A · utility
3Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1991 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Nov 7, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2475/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is directed to a process of preparing a polyurethane structural support by spraying a specific polyurethane onto a substrate. The polyurethane is prepared by reacting a specific polyol blend, an organic diamine, and an isocyanate in the presence of a moisture absorbing material and a polysiloxane defoaming agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.