FLAME-RETARDANT EXPANDABLE POLYMERS

摘要

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): (ilc).

主权项

1. Flame-retardant expandable polymerizates containing at least one propellant, characterized in that at least one of the following phosphorus compounds is contained as a flame retardant:
phosphorus compound according to formula (Ia):10-hydroxy-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-OH)
or salts thereof according to formula (Ib): or ring-opened hydrolyzates thereof according to formula (Ic): wherein R in forumlas Ib and Ic is a residue.