| abstract |
R 1 , R 2 gleich oder verschieden sind und C 1 -C 6 -Alkyl, linear oder verzweigt und/odernAryl; R 3 C 1 -C 10 -Alkylen, linear oder verzweigt, C 6 -C 10 -Arylen, -Alkylarylen oder -Arylalkylen; M Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na; K und/oder einenprotonierte Stickstoffbase; m 1 bis 4; n 1 bis 4; x 1 bis 4 nbedeuten.The invention relates to flame-retardant aromatic and partly aromatic copolyamides containing, as flame retardants, at least one phosphinic acid salt of the formula (I) and / or a diphosphinic acid salt of the formula (II) and / or polymers thereof, wherein R 1 , R 2 are the same or different and are C 1 -C 6 -alkyl, linear or branched and / or aryl; R 3 C 1 -C 10 -alkylene, linear or branched, C 6 -C 10 -arylene, -alkylarylene or -arylalkylene; M Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na; K and / or a protonated nitrogen base; m 1 to 4; n 1 to 4; x 1 to 4 mean. |