Reduction of MDI emissions in cavity filling NVH polyurethane foams
US7678840B2 · kind B2 · utility
2Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2006 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Jul 21, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2350/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to reactive systems for the production of cavity filling polyurethane foams for NVH (noise vibration and harshness) application areas in which the system exhibits reduced isocyanate emissions. These foams comprises a polyisocyanate comprising a polymethylene poly(phenylisocyanate).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.