Abstract: The invention relates to flame retardant mixtures comprising flame retardant and aluminum phosphites, to processes for preparation thereof and to the use thereof.

Abstract: The invention relates to waxes modified with sterically hindered amines, to a process for their preparation and to their use for stabilizing organic material.

Abstract: A flame retardant-stabiliser combination for thermoplastic polymers, containing as component A: 50 to 90% by weight of a monoaryl phosphinic acid salt of the general formula (I), where R1 is an unsubstituted or substituted C6-C15 aryl group or a C7-C16 alkyl aryl group or a C7-C16 aryl alkyl group; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonized nitrogen base; as component B: 5 to 50 wt % of a nitrogen-containing synergist and/or a phosphorus/nitrogen flame retardant; as component C: 0 to 10 wt % of magnesium oxide, calcium oxide, zinc oxide, manganese oxide, tin oxide, aluminium hydroxide, boehmite, magnesium hydroxide, hydrotalcite, hydrocalumite, calcium hydroxide, zinc hydroxide, tin oxide hydrate, manganese hydroxide, zinc borate, zinc hydroxystannate and/or zinc stannate; as component D: 0 to 3 wt % of a mixture of a phosphonite or a phosphonite/phosphate mixture, and as component E: 0 to 3 wt % of an ester or salt of long-chain aliphatic carbonic acids having

Abstract: The invention relates to a novel flameproof agent stabiliser combination for thermoplastic and duroplastic polymers, containing, as component A 25 - 97.7 wt % of a dialkylphosphinic acid salt of formula (I) and/or a diphosphinic acid salt of formula (II) and/or polymers thereof, wherein R1, R2 are the same or different and represent C1-C6-alkyl, linear or branched and/or aryl; R3 represents C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C20-alkylarylene or C7-C20-arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m represents 1-4; n represents 1-4; x represents 1-4, as component B 2-45 wt. % of a monoalkylphosphinic acid salt of general formula (Ill), wherein R4 represents C1-C6-alkyl, linear or branched; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; representing, as component C 0.3 - 30 wt.

Abstract: The invention relates to flame-retardant polyester compounds comprising as component A 40% to 89.9% by weight of thermoplastic polyesters, as component B 5% to 25% by weight of phosphinic salt of the formula (V) and/or diphosphinic salt of the formula (VI) and/or polymers thereof, in which R1 and R2 are H or C1-C6-alkyl and/or aryl; R3 is C1-C10-alkylene, C6-C10-arylene, -alkylarylene or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; and x is 1 to 4, and as component C 5% to 25% by weight of a phosphazene, as component D 0% to 15% by weight of reaction products of melamine with phosphoric acid and/or condensed phosphoric acids, as component E 0% to 45% by weight of reinforcing agents, and as component F 0.1% to 3% by weight of further additives, the sum of the components by weight being 100% by weight.

Abstract: A novel flame retardant-stabilizer combination for thermoplastic polymers, comprising as component A 20 to 99% by weight of a dialkylphosphinic salt of the formula (I) and/or of a diphosphinic salt of the formula (II) and/or polymers thereof in which R1, R2 are the same or different and are each C1-C6-alkyl, linear or branched; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C20-alkylarylene or C7-C20-arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component B 1 to 80% by weight of a salt of the phosphorous acid with the general formula (III) [HP(?O)O2]2?Mm+ (III) in which M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K and m is 1 to 4, as component C 0 to 30% by weight of a nitrogen-containing synergist and/or of a phosphorus/nitrogen flame retardant, as component D 0 to 10% by weight of a zinc salt and/or of a basic or amphoteric oxide, hydroxide, carbo

Abstract: The invention provides phosphorus-containing mixtures comprising a) from 50 to 100 mol % of compounds of the formula (1) in which R1 and R2 are identical or different and are C6-C9-alkyl, b) 0 to 50 mol % of compounds of the formula (1) in which R1 is H and R2 is C6-C9-alkyl, c) 0 to 50 mol % of compounds of the formula (1) in which R1 is OH and R2 is C6-C9-alkyl, d) from 0 to 50 mol % of compounds of the formula (1) in which R1 is OH and R2 is H, and e) from 0 to 50 mol % of compounds of the formula (1) in which R1 is H and R2 is H, with the sum of a), b), c), d), and e) always being 100 mol %.

Abstract: The invention relates to a method for producing mixtures of alkylphosphonous acid and dialkylphosphinic acid salts, characterised in that a) a phosphinic acid source (I) is reacted with olefins (II) in the presence of a catalyst A to obtain a mixture of alkylphosphonous acid (III) and dialkylphosphinic acid (IV) or salts or esters thereof, and b) the thus obtained mixture of alkylphosphonous acid (III) and dialkylphosphinic acid (IV) or the salts or esters thereof is reacted with metal compounds of Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base to obtain the corresponding mixtures of alkylphosphonous acid salt (V) and dialkylphosphinic acid salt (VI) of said metals and/or a nitrogen compound, (V) (VI), wherein Y represents Mg, Ca, AI, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na; K and/or a nitrogen compound and n represents ¼, ?, ½, 1.

Abstract: The invention relates to a flameproof agent stabiliser combination containing, as component A 40-99 wt. % of a phosphinic acid salt of formula (I) and/or a diphosphinic acid salt of formula (II) and/or polymers thereof, wherein R1, R2 are the same or different and represent C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl and/or C7-C18-alkylaryl; R3 represents C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C18-alkylarylene or C7-C18-arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protoned nitrogen base; m represents 1-4; n represents 1-4; x represents 1-4, as component B 1-60 wt. % of a phosphinic acid salt of general formula (III) wherein R4 represents C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl or C7-C18-alkylaryl and M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base, as component C 0-50 wt.

Abstract: Flame retardant-stabilizer combination for thermoplastic polymers The invention relates to a flame retardant-stabilizer combination for thermoplastic polymers, comprising as component A 30 to 79.9% by weight of a phosphinic salt of the formula (I) and/or of a diphosphinic salt of the formula (II) and/or polymers thereof in which R1, R2 are the same or different and are each H, C1-C18-alkyl, C6-C18-aryl, C7-C18-arylalkyl and/or C7-C18-alkylaryl; R3 is linear or branched C1-C10-alkylene, 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 and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component B 20 to 50% by weight of a nitrogen-containing synergist or of a phosphorus/nitrogen flame retardant and as component C 0.

Abstract: Disclosed are new compositions consisting of mixtures of flame retardants for thermoplastic polyesters based on a phosphinate salt, phosphonate oligomers, polymers or copolymers and a melamine derivative. The compositions exhibit an excellent combination of processing characteristics, thermal and mechanical properties, and are flame retardant. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.

Abstract: Disclosed are new compositions consisting of mixtures of flame retardants for thermoplastic polyester elastomers based on a phosphinate salt, phosphonate oligomers, polymers or copolymers and, optionally, a melamine derivative. The compositions exhibit an excellent combination of processing characteristics, thermal and mechanical properties, and are flame retardant. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.

Abstract: The invention relates to a process for producing flame-retardant, non-corrosive, highly flawable polyamides and polyesters, which comprises using a flame retardant mixture made of a phosphinic salt of the formula (I), where M?Al, Mg, Ca, Ti, or Na (component A) in which R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; n is from 1 to 3, and, as component B, a metal salt of an organic acid, and/or an inorganic zinc, calcium, magnesium, potassium, sodium, aluminum, titanium, tin, antimony, bismuth, or barium compound, where the amount of component A present in the flame retardant mixture is from 70 to 99.5% by weight and the amount of component B present in the flame retardant mixture is from 0.5 to 30% by weight.

Abstract: The invention relates to salts of alkyl esters of carboxyethyl(alkyl)phosphinic acid, where the salts have the formula (I) R1—P(?O)(OX)—CH2—CH2—CO2R2 in which R1 and R2 are identical or different and, independently of one another, are C1-C20-alkyl, C2-C20-alkenyl, C1-C20-alkynyl, and/or C6-C20-aralkyl, and X is an alkali metal, an element of the second main and transition group, an element of the third main and transition group, an element of the fourth main and transition group, an element of the fifth main and transition group, an element of the sixth main group, an element of the seventh transition group, or an element of the eighth transition group, and also to processes for their preparation, and to their use.

Abstract: The invention relates to waxes modified with sterically hindered amines, to a process for their preparation and to their use for stabilizing organic material.

Abstract: The invention relates to a compacted flame-retardant composition comprising an organophosphorus flame-retardant component, prepared by compacting an organophosphorus flame-retardant component with or without a compacting auxiliary, and to a process for preparing these flame-retardant compositions, and to polymer molding compositions which comprise these flame-retardant compositions.

Abstract: The invention relates to flame retardant mixtures for thermoplastic polymers, comprising a phosphinic salt of the formula (I) where M=Al (component A) and a fusible phosphinic salt of the formula (I) where M=Zn (component B), in which R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; and n is from 1 to 3; where the amount of component A present is from 5 to 95% by weight and the amount of component B present is from 5 to 95% by weight, and also flame-retardant polymers. The polymers are polyamides which contain, as aromatic dicarboxylic acids, terephthalic acid or isophthalic acid.

Abstract: The invention relates to flame-retardant compounded polyester materials, comprising as component A, from 40 to 64.9% by weight of thermoplastic polyester, as component B, from 5 to 10% by weight of polycarbonate, as component C, from 10 to 15% by weight of phosphinic salt of the formula (I) and/or diphosphinic salt of the formula (II), and/or polymers of these in which R1 and R2 are identical or different and are H or C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, or -alkylarylene, or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, and/or a protonated nitrogen base; m is from 1 to 4; n is from 1 to 4; and x is from 1 to 4, as component D, from 5 to 10% by weight of melamine polyphosphate, as component E, from 15 to 30% by weight of reinforcing materials, and, as component F, from 0.1 to 2% by weight of further additives, where the total of the components by weight is 100% by weight.

Abstract: The invention relates to a piperazine polyphosphate which has an average chain length of from 2.2 to 10 phosphate units, to a method for its preparation and to its use.

Abstract: The invention relates to a flame-retardant plastics molding composition containing from 65 to 90% by weight, based on the total amount of the molding composition, of an olefin polymer and from 10 to 35% by weight, based on the total amount of the molding composition, of a flame retardant system, containing from 40 to 80% by weight of piperazine polyphosphate which has an average chain length of from 2.2 to 1000 phosphate units (component A), from 20 to 60% by weight of melamine cyanurate, melamine borate or condensed melamine (component B), from 0 to 2% by weight of polytetrafluoroethylene (component C) and from 0 to 40% by weight of ammonium polyphosphate (component D).