摘要:
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.
摘要:
The invention relates to a method for producing monofunctionalized dialkylphosphinic acids, esters, and salts, characterized in that a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester thereof, whereupon said alkylphosphonous acid, the salt or ester (II) thereof is reacted with compounds containing C═C, C═O, or C═N double bonds to obtain compounds of type (III), wherein R1, R2, R3, R4, R5, R6 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, X represents, inter alia, H, C1-C18-alkyl, C6-C18-aryl, and/or Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K, H, and wherein A represents OH, NH2, NHR, NR2, or O—CO—R8, and W represents a mineral acid, carboxylic acid, Lewis acid, or organic acid, wherein n is a whole or a fractional number from 0 to 4, and catalyst A represents transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand. The use of said dialkylphosphonic acids, esters, and salts is also disclosed.
摘要:
A method for producing mono-carboxy-functionalized dialkylphosphinic acids, esters and salts using a vinyl ether. The method is characterized by the following steps: a) reacting a phosphinic acid source (I) with olefins (IV) in the presence of a catalyst A to give an alkylphosphonous acid, the salt or the ester (II) thereof, b) reacting the alkylphosphonous acid so obtained, the salt or the ester (II) thereof with a vinyl ether of formula (V) in the presence of a catalyst B to give a mono-functionalized dialkylphosphinic acid derivative (VI) and c) reacting this derivative (VI) with an oxidant or in the presence of a catalyst C to give a mono-carboxy-functionalized dialkylphosphinic acid derivative (III), wherein the catalysts A and C are transition metals and/or transition metal compounds, and the catalyst B is a peroxide-forming compound and/or a peroxo compound and/or an azo compound.
摘要:
The invention relates to mixtures of at least one diphosphinic acid of the formula (I) in which R1, R2 are the same or different and are each independently H, C1-C18-alkyl, C2-C18-alkenyl, C6-C18-aryl, C7-C18-alkylaryl, R5 is C1-C18-alkylene, C2-C18-alkenylene, C6-C18-arylene, C7-C18-alkylarylene with at least one dialkylphosphinic acid of the formula (II) in which R3, R4 are the same or different and are each independently C1-C18-alkyl, C2-C18-alkenyl, C6-C18-aryl and/or C7-C18-alkylaryl. The invention also relates to a process for preparing these mixtures and to the use thereof.
摘要:
The invention relates to a process for preparing mono-allyl-functionalized dialkylphosphinic acids, esters and salts with allylic compounds, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to give an alkylphosphonous acid, or salt or ester thereof (II), b) the alkylphosphonous acid, or salt or ester thereof (II) thus formed is reacted with allylic compounds of the formula (V) in the presence of a catalyst B and of a base to give a mono-allyl-functionalized dialkylphosphinic acid derivative (III), where R1, R2, R3, R4, R5, R6, R7, R8, R9 are the same or different and are each independently, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, and X is H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogen base, and the catalysts A and B are transition metals and/or transition metal compounds and/or catalyst systems which are composed of a transition metal and/or a transition metal compound and at least one ligand.
摘要:
The invention relates to a method for producing mono-carboxy-functionalized dialkylphosphinic acids, esters and salts using a vinyl ester of a carboxylic acid. The method is characterized by the following steps: a) reacting a phosphinic acid source (I) with olefins (IV) in the presence of a catalyst A to give an alkylphosphinic acid, the salt or the ester (II) thereof, b) reacting the alkylphosphinic acid so obtained, the salt or the ester (II) thereof with a vinyl ester of a carboxylic acid of formula (V) in the presence of a catalyst B to give a mono-functionalized dialkylphosphinic acid derivative (VI) and c) reacting the mono-functionalized dialkylphosphinic acid derivative (VI) so obtained in the presence of a catalyst C to give a mono-functionalized dialkylphosphinic acid derivative (VII) and d) reacting the mono-functionalized dialkylphosphinic acid derivative (VII); with an oxidant or in the presence of a catalyst D to give a mono-carboxy-functionalized dialkylphosphinic acid derivative (III).
摘要:
Addition compounds of a) alkylphosphonous acid derivatives of the formula A-P(═O)(OX)—H (I) and b) diester-forming olefins of formula (II) Methods for the production of the addition compounds and the use thereof are also disclosed.
摘要:
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, carbonate, silicate, borate, stannate, mixed oxide hydroxide, oxide hydroxide carbonate, hydroxide silicate and/or hydroxide borate and/or mixtures of these substances, as component E 0 to 3% by weight of a phosphonite and/or of a mixture of a phosphonite and a phosphite, and as component F 0 to 3% by weight of an ester and/or salt of long-chain aliphatic carboxylic acids (fatty acids) which typically have chain lengths of C14 to C40, where the sum of the components is always 100% by weight.
摘要:
The invention relates to a method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof by means of acrylnitriles, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with an acrylnitrile of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted to yield a mono-aminofunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst C or a reduction agent, wherein R1, R2, R3, R4, R5, R6, R7 are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl and X stands for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and Y stands for a mineral acid, a carboxylic acid, a Lewis acid or an organic acid, n=an integer or fractional number of 0 to 4 and the catalysts A and C are formed by transition metals, transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand, and catalyst B is formed by compounds forming peroxides, peroxo compounds, azo compounds, alkali metals, alkaline earth metals, alkali hydrides, alkaline earth hydrides and/or alkali alcoholates and alkaline earth alcoholates.
摘要:
The invention relates to a method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with acetylenic compounds of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted with a hydrogen cyanide source to yield a mono-functionalized dialkylphosphinic acid derivative (VII) in the presence of a catalyst C, and d) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VII); is reacted to yield a mono-aminofunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst D or a reduction agent, wherein R1, R2, R3, R4, R5, R6 are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X stands for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and Y stands for a mineral acid, a carboxylic acid, a Lewis acid or an organic acid, n=0 to 4 and the catalysts A, B, C and D are formed by transition metals, transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand.