Process for producing flexible polyurethane foam
US8357730B2 · kind B2 · utility
3Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2009 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | May 31, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
To provide a flexible polyurethane foam which is excellent in low resiliency and durability without using a plasticizer and which shows little change in hardness against a change in temperature and at the same time, has high air flow.A process for producing a flexible polyurethane foam, which comprises reacting a polyol mixture comprising the following polyol (A), the following polyol (B) and the following monool (D) with a polyisocyanate compound in the presence of a blowing agent and a foam stabilizer, at an isocyanate index of at least 90, wherein:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.