Phosphonate derivatives of polyalkylene polyamines as flame retardants
US4394330A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1980 |
| Grant date | Jul 19, 1983 |
| Priority date | — |
| Expiry date | Feb 28, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/650952
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Flame retardant phosphonate derivatives of polyalkylene polyamines are prepared having the structural formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.5 can be the same or different substituted or nonsubstituted lower alkylene groups of about 2-10 carbons, or aryl groups of about 6-14 carbons; and R.sup.5 can also be haloalkyl of about 1-10 carbons; PA0 R.sup.3 can be a lower alkylene radical of about 1-10 carbons; PA0 R.sup.4 can be an alkyl, alkenyl, alkynyl, or aryl group of about 1-20 carbons; PA0 m is a number from 0 to 2; PA0 n is a number from 0 to 2; PA0 y is a number from 0 to 10; and PA0 x can be the same as the (R.sup.5 OH) group or the ##STR2## The preparation involves the condensation of a polyalkylene-polyamine with an aldehyde or ketone and a phosphonate or a phosphite. The condensation product is then reacted with an epoxide to yield the phosphonate derivatives of polyalkylene-polyamines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.