Phosphonate flame retardant mixture and resinous foams containing same
US4144387A · kind A · utility
6Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1978 |
| Grant date | Mar 13, 1979 |
| Priority date | — |
| Expiry date | Feb 2, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/906
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is provided a flame retardant mixture containing between about one weight percent and about 75 weight percent of a compound having the structure: ##STR1## AND BETWEEN ABOUT 99 WEIGHT PERCENT AND ABOUT 25 WEIGHT PERCENT OF A HIGH BOILING PHOSPHONATE COMPRISING PREDOMINANTLY A COMPOUND HAVING THE STRUCTURE: ##STR2## There are also provided polymers, particulary rigid and flexible urethane foams, containing between about two weight percent and about 30 weight percent of the flame retardant mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.