Abstract: The invention relates to a flame-retardant polyamide composition, containing as component A 1 to 96% by weight of one or more thermoplastic polyamides, as component B 2 to 25% by weight of dialkylphosphinic salt of the formula (I) and/or a diphosphinic salt of the formula (II) and/or the polymers thereof, wherein R1, R2 are the same or different C1-C6 alkyl, linear or branched or H: R3 C1-C10 alkylene, linear or branched, C6-C10 arylene, C7-C20 alkylarylene or C7-C20 arylalkylene; M Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonized nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component C 1 to 20% by weight salt of the phosphorous acid, as component D 1 to 50% by weight of filler or reinforcing material, as component E 0 to 2% by weight of a carboxyl ester amide, as component F 0 to 1% of a phosphonite or a mixture of a phosphonite and a phosphate, and as component G 0 to 1% by weight of an ester or salt of long-chain aliphatic carboxylic acids (fatty acids), whi

Abstract: The invention provides anticorrosive flame retardant formulations for thermoplastic polymers, comprising from 20 to 97.9% by weight of a (di)phosphinic acid salt of formula (I) and/or (II) wherein R1, R2 are the same or different and denote H or C1-C6-alkyl, linear or branched, and/or aryl; R3 denotes C1-C10-alkylene, linear or branched, C6-C10-arylene, C6-C10-alkylarylene or C7-C20-arylalkylene; M denotes Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m denotes from 1 to 4; n denotes from 1 to 4; x denotes from 1 to 4, and as component B from 2 to 50% by weight of a phosphazene of the general formula (III) or (IV) wherein R4 and R4? are the same or different and represent C1-C20-alkyl, C6-C30-aryl, C6-C30-arylalkyl or C6-C30-alkyl substituted aryl, and X represents a group —N?P(OPh)3 or —N?P(O)OPh and Y represents the group —P(OPh)4 or —P(O)(OPh)2; as component C from 0.

Abstract: Subject matter of the invention is the use of a mixture of a plurality of components as a noncorrosive flame retardant, the mixture comprising as component A) 20 to 98.9 wt % 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 identical or different and are 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 wt % of a salt of phosphorous acid having the formula (III) [HP(?O)O2]2?Mm+ in which M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K, as component C) 0.

Abstract: Flame retardant mixtures comprising as component (A) 30% to 99.9% by weight of dialkylphosphinic salts of the formula (II), a and b may be the same or different and are each independently 1 to 9, and where the carbon chains may be linear, branched or cyclic and M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base and m is 1 to 4, as component (B) 0.

Abstract: The invention relates to a flame-retardant polyamide composition comprising as component A) 1 to 96 wt % of one or more thermoplastic polyamides, as component B) 2 to 25 wt % of a dialkylphosphinic salt of the formula (I), and/or of a diphosphinic salt of the formula (II), and/or of polymers thereof, in which R1 and R2 are identical or different and are C1-C6-alkyl, linear, or branched, or H; 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 C) 1 to 20 wt % of a salt of phosphorous acid, as component D) 1 to 20 wt % of a phosphazene, as component E) 0 to 50 wt % of filler or reinforcing agent, as component F) 0 to 1 wt % of a phosphonite or of a mixture of a phosphonite and a phosphite, and as component G) 0 to 1 wt % of an ester or salt of long-chain aliphatic carboxylic acids (fatty acids), w

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: Compositions containing, as component (A), a finely particled phosphinic acid salt of formula (I) and/or a finely particled diphosphinic acid salt of formula (II) and/or the polymers thereof, as component (B), an aminoether of formula (III), and as component (C), a thermoplastic polymer.

Abstract: A flame retardant-stabilizer combination for thermoplastic polymers, comprising as component A a phosphinic salt of the formula (I) and/or of a diphosphinic salt of the formula (II) and/or polymers thereof, as component B a nitrogen-containing synergist or a phosphorus/nitrogen flame retardant, and as component C a metal oxide coated with a metal salt and/or metal hydroxide coated with a metal salt.

Abstract: The invention relates to mixtures of aluminum hydrogenphosphites of the formula (I) Al2.00(HPO3)v(H2PO3)yx(H2O)z??(I) and aluminum salts comprising 91 to 99.9% aluminum hydrogenphosphites of the formula (I) 0.1 to 9% aluminum salts and 0 to 50% water (of crystallization), where v in formula (I) is 2 to 2.99, y is 2 to 0.01 and z is 0 to 4, to processes for preparation thereof and to the use thereof.

Abstract: A halogen-free flame retardant mixture containing between 1-99 wt. % of a component A and between 1-99 wt. % of a component B. Component A comprises between 85-99.995 wt.-% of a solid diethylphosphinic acid salt of the metals Mg, Ca, Al, Sb, SN, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base and between 0.005-15 wt.-% of non-combustible additives and component B is in the form of an aluminum phosphite.

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: Compositions containing, as component (A), a finely particled phosphinic acid salt of formula (I) and/or a finely particled diphosphinic acid salt of formula (II) and/or the polymers thereof, as component (B), an aminoether of formula (III), and as component (C), a thermoplastic polymer.

Abstract: The invention relates to a flame-retardant polyamide composition, containing as component A 1 to 96% by weight of one or more thermoplastic polyamides, as component B 2 to 25% by weight of dialkylphosphinic salt of the formula (I) and/or a diphosphinic salt of the formula (II) and/or the polymers thereof, wherein R1, R2 are the same or different C1-C6 alkyl, linear or branched or H: R3 C1-C10 alkylene, linear or branched, C6-C10 arylene, C7-C20 alkylarylene or C7-C20 arylalkylene; M Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonized nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component C 1 to 20% by weight salt of the phosphorous acid, as component D 1 to 50% by weight of filler or reinforcing material, as component E 0 to 2% by weight of a carboxyl ester amide, as component F 0 to 1% of a phosphonite or a mixture of a phosphonite and a phosphate, and as component G 0 to 1% by weight of an ester or salt of long-chain aliphatic carboxylic acids (fatty acids), whi

Abstract: The invention relates to mixtures of aluminum hydrogenphosphites of the formula (I) Al2.00(HPO3)v(H2PO3)yx(H2O)z??(I) and aluminum salts comprising 91 to 99.9% aluminum hydrogenphosphites of the formula (I) 0.1 to 9% aluminum salts and 0 to 50% water (of crystallization), where v in formula (I) is 2 to 2.99, y is 2 to 0.01 and z is 0 to 4, to processes for preparation thereof and to the use thereof.

Abstract: The invention relates to a flameproof agent stabilizer 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: 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 mixed alkali-aluminum phosphites of the formula (I) Al2.00Mz(HPO3)y(OH)vx(H2O)w??(I) in which M represents alkali metal ions, z is 0.01 to 1.5, y is 2.63 to 3.5, v is 0 to 2, w is 0 to 4; to a process for preparation thereof and to the use thereof.

Abstract: Mixtures of aluminum phosphite with sparingly soluble aluminum salts and extraneous ions, process for preparation thereof and use thereof The invention relates to mixtures of aluminum phosphite with sparingly soluble aluminum salts and nitrogen-free extraneous ions, comprising 80 to 99.898% by weight of aluminum phosphite of the formula (I) Al2(HPO3)3×H2O??(I) in which x is 0 to 4, 0.1 to 10% by weight of sparingly soluble aluminum salts and 0.002 to 10% by weight of nitrogen-free extraneous ions; to a process for preparation thereof and use thereof.

Abstract: The invention relates to aluminum hydrogenphosphites of the formula (I) Al2.00(HPO3)v(H2PO3)y×(H2O)??(I) in which v is 2 to 2.99, y is 2 to 0.01 and z 0 to 4; to a process for preparation thereof and to the use thereof.

Abstract: The invention relates to a method for producing mixtures of alkylphosphonous acid and dialkylphosphinic acid salts, characterized 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.