Reactive flame retardant blends for flexible polyurethane foam
US10597511B2 · kind B2 · utility
2Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2018 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Jul 23, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5313
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides dialkyl phosphorus-containing compounds, namely reactive mono-hydroxyl-functional dialkyl phosphinates in a blend with a phosphate compound, said blend serving as highly efficient reactive flame retardant blend in flexible polyurethane foam. The invention further provides fire-retarded polyurethane compositions comprising said the reaction product of the flame retardant blend with polyol and isocyanate foam forming components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.