Flexible foams
US8765828B2 · kind B2 · utility
1Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2009 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Sep 19, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2433/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyurethane foams of improved resilience properties can be produced from: a) a polyisocyanate, b) a polyether polyol or polyester polyol, c) a blowing agent, d) one or more optional additives or auxiliary compounds, and e) a redispersible polymer powder based on a homopolymer or copolymer of one or more monomers from the group consisting of vinyl esters of un-branched or branched alkylcarboxylic acids having from 1 to 15 carbon atoms, methacrylic esters and acrylic esters of alcohols having from 1 to 15 carbon atoms, vinylaromatics, olefins, dienes and vinyl halides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.