Flame retardant and stabilizer combined for thermoplastics polymers

A flame retardant and stabilizer combined, for thermoplastic polymers, comprising from 50 to 90% by weight of a component A selected from the group consisting of a phosphinic salt of the formula (I), a diphosphinic salt of the formula (II), polymers of the formula (I), polymers of the formula (II) and mixtures thereof,

• where
• R1, R2 are identical or different and are C1-C6-alkyl, linear or branched, or aryl;
• R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene;
• M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, or a protonated nitrogen base;
• m is 1 to 4;
• n is 1 to 4;
• x is 1 to 4,
• as component B, from 10 to 75% by weight of a nitrogen-containing synergist or of a phosphorus/nitrogen flame retardant, as component C, from 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, hydroxide/borate, or a mixture thereof, as component D, from 0 to 5% by weight of a phosphonite of the structure
• R—[P(OR1)2]m (I)
• where
• R is a mono- or polyvalent aliphatic, aromatic, or heteroaromatic organic radical, and
• R1 is a compound of the structure (II)
• or the two radicals R1 form a bridging group of the structure (III)
• where
• A is a direct bond, O, S, C1-18-alkylene (linear or branched), or C1-18-alkylidene (linear or branched),
• where
• R2 independently of one another, are C1-12-alkyl (linear or branched), C1-12-alkoxy, or C5-12-cycloalkyl, and
• n is from 0 to 5, and
• m is from 1 to 4,
• as component E, from 0 to 5% by weight of an ester or salt of montan wax acid, and comprises, as component F, from 0.1 to 5% by weight of an N,N′-bispiperidinyl-1,3-benzenedicarboxamide and/or N,N′-bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,3-benzenedicarboxamide, the entirety of the components always being 100% by weight.