Flame-retardant expandable polymers
AssigneeSunpor Kunststoff Gesellschaft M.B.H.
InventorsRoman Eberstaller, Gerhard Hintermeier
Life of this patent
Estimating the term…
Abstract
The present relates to flame-retardant expandable polymers and to polymer foams and to the use thereof. These flame-retardant expandable polymers and polymer foams can be contained in one or several pressurized containers. According to the present, at least one of the following phosphorus compounds is used as a flame retardant: phosphorus compound according to formula (Ia): (Ia) 10-hydroxy-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-OH); or the salts thereof according to formula (Ib): (Ib) (DOPO-OR); or the ring-opened hydrolysates thereof according to formula (Ic): (Ic).
Claims17
Flame-retardant expandable polymerizates containing at least one propellant, characterized in that at least one phosphorus compound is contained as a flame retardant, wherein the at least one phosphorus compound has the following formula:
- 10-hydroxy-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide ammonium salt:
Dependencies are inferred from the claim text.