Flexible polyurethane foam and process for its production
US8487015B2 · kind B2 · utility
8Cited by
8References
21Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 28, 2008 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Sep 3, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L83/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a flexible polyurethane foam, which comprises reacting a polyol mixture with a polyisocyanate compound in the presence of a urethane-forming catalyst and a blowing agent, characterized in that the polyol mixture comprises the following polyol (A) and the polyol (B), and the proportion of the polyisocyanate compound to the polyol mixture is at least 90 by isocyanate index, and the total amount of Zn and Co contained in the polyol mixture is from 0.1 to 200 ppm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.