| abstract |
The invention relates to a new flame retardant-stabilizer combination for thermoplastic polymers, containing as component A 25 to 99.9% by weight of a phosphinic acid salt of the formula (I) and / or a diphosphinic acid salt of the formula (II) and / or their polymers, wherein R 1 , R 2 are identical or different and C 1 -C 6 alkyl, linear or branched, and / or aryl; R 3 is 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, as component B 0 to 75% by weight of a nitrogen-containing synergist or a phosphorus / nitrogen flame retardant and as component C 0.1 to 50% by weight of a basic or amphoteric oxide, hydroxide, carbonate, silicate, borate, stannate, mixed oxide hydroxide, oxide-hydroxide carbonate, hydroxide silicate or hydroxide borate or mixtures of these substances , the sum of the components always being 100% by weight. |