Phase stable polyol composition containing hydrocarbon as the blowing agent
US6472446B1 · kind B1 · utility
7Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2001 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Mar 9, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention discloses a phase stable polyol blend composition containing a sucrose and dipropylene glycol co-initiated propylene oxide polyether polyol, a polyester polyol, a compatibilizing agent and a hydrocarbon blowing agent. The polyester polyol is preferably a phthalic anhydride-initiated polyester polyol. The compatibilizing agent is a butanol-initiated propylene oxide polyether surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.