Clariant Finance (bvi) Limited

Clariant Corporation

Clariant International Ltd

Clariant Produkte (deutschland) Gmbh

Clariant Plastics & Coatings Ltd

Hoechst Aktiengesellschaft

Clariant Deutschland Gmbh

Clariant Produkte Gmbh

Martin Sicken

Werner Krause

Harald Bauer

Michael Hill

Norbert Weferling

Hans-Peter Schmitz

Sebastian Hoerold

Sebastian Hörold

Fabian Schneider

Susanne Knop

Frank Osterod

Horst Staendeke

Christian Eilbracht

Peter Staniek

Wolfgang Wanzke

Volker Thewes

Elke Schlosser

Mathias Dietz

G&uuml;nter Kolbe

Sebastian H&ouml;rold

Bernd Nass

Heinz-Peter Breuer

Eva-Maria Leuschner

Sebastian Höerold

Muriel Rakotomalala

Wiebke Maas

Elke Schloβer

Sebastien Hoerold

Andrea Zurstrassen

Elke Dl Schlosser

Oliver Hauenstein

Klaus Bender

The invention relates to additive mixtures for plastics containing phosphinic acid of the formula (I) as component A, wherein Rand Rmean ethyl, M is Al, Fe, TiOor Zn, m means 2 to &#x3c;4, preferably 2 or 3, and p=(4&#x2212;m)/2 is a compound selected from the group of Al, Fe, TiOor Zn salts of ethylbutylphosphinic acid, dibutylphosphinic acid, ethylhexylphosphinic acid, butylhexylphosphinic acid and/or dihexylphosphinic acid as component B, phosphonic acid salt of formula (II) as component C, wherein Rmeans ethyl, Met is Al, Fe, TiOor Zn, n means 2 to 3, and q=(4&#x2212;n)/2, and antimony, tin and/or indium as component D. Polymer compositions containing said additive mixtures are characterized by exceptional flame protection and by very good laser markability or laser weldability.

Additive mixtures for plastics, laser-markable polymer compositions comprising them and the use thereof

A flame-retardant polyamide composition can be prepared with a glow wire ignition temperature of not less than 775&#xb0; C. Such a composition can include a polyamide having a melting point of not more than 290&#xb0; C. as component A, fillers and/or reinforcers as component B, a phosphinic salt of the formula (I) as component C, a compound selected from the group of the Al, Fe, TiOand Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D, a phosphonic salt of the formula (II) as component E, and a melamine polyphosphate having an average degree of condensation of 2 to 200 as component F. Additional components can be included in the composition.

Flame-retardant polyamide compositions with a high glow wire ignition temperature and use thereof

The invention relates to diorganylphosphinic salts containing 0.0001% to 99.9999% by weight of iron, to a process for preparation thereof and to the use thereof.

Diorganylphosphinic acid salts, method for the production thereof and the use thereof

The invention relates to a novel flame retardant-stabilizer combination for thermoplastic polymers, comprising, as component A, from 25 to 99.9% by weight of a phosphinic acid salt of the formula (I) wherein R, Rare the same or different and are each C-C-alkyl, linear or branched, C-C-aryl, C-C-arylalkyl or C-C-alkylaryl, or Rand Rform one or more rings with each other, 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 from 1 to 4; as component B, from 0 to 75% by weight of a synergist or of a phosphorus/nitrogen flame retardant and, as component C, from 0.1 to 30% by weight of telomeric phosphinic acid salts as component D, from 0 to 20% by weight of organo phosphonic acid salt, as component E, from 0 to 5% by weight of phosphonic acid salt, the sum of the components always being 100% by weight, and wherein the angle of repose of said flame retardant-stabilizer combination is between 5&#xb0; and 45&#xb0;. 

Flame retardant-stabilizer combination for thermoplastic polymers

The invention relates to a flame retardant mixture comprising 99.9999% to 87% by weight of diorganylphosphinic acid salts as component A) and 0.0001% to 13% by weight of iron as component B), where the sum total of A) and B) is 100% by weight. The invention likewise relates to processes for producing the aforementioned flame retardant mixture and to the use thereof.

Flame retardant mixtures, the production and the use thereof

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) 0.1% to 70% by weight of alkyl hydroxyalkylphosphinyl organylcarboxylic acid salts and/or ester salts of the formula (I) where R1CyH2y+1 with y=2 to 8, R2, R3, R4, R5, R6 are the same or different and are each independently H, CxH2x+1, CxH2x&#x2212;1, CxH2x&#x2212;3, CxH2xCO2X, CxH2x&#x2212;2CO2X, CxH2x&#x2212;4CO2X, (C2H3CO2X)u and u=0 to 1000000, CO2X, CxH2x(P(O)(OM)R1), CxH2x&#x2212;2(P(O)(OM)R1)(CO2X) and/or CH2CO2X, where, in the R1, R2, R3, R4, R5 and R6 groups, the carbon chains may be linear, branched or cyclic, M' is Mg, Ca, Al, Sb, Sn, Ge, Fe, Ti, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K, H and/or N-containing cations, x is 1 to 25, X is H, M, CzH2z+1 and z is 1 to 8, with the proviso that at least one of the R2, R3, R4, R5, R6 groups is not H, and the compounds of formula (II) and formula (I) are different compounds.

Flame retardant mixtures and production thereof

The invention relates to the process for preparing ethylenedialkylphosphinic acids, esters and salts, wherein 

Process for preparing ethylenedialkylphosphinic acids, esters and salts and use thereof

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.

Halogen-free solid flame retardant mixture and use thereof

The invention relates to mixed alkali-aluminum phosphites of the formula (I)AlM(HPO)(OH)(HO)&#x2003;&#x2003;(I)in whichM 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.

Mixed alkali-aluminum phosphites, method for producing same, and the use thereof

Mixtures of at least one dialkylphosphinic acid with at least one other dialkylphosphinic acid that is different therefrom, method for production thereof, and use thereof. The invention relates to a mixture of at least one dialkylphosphinic acid of the formula (I) in which in which

Mixtures of at least one dialkylphosphinic acid with at least one other dialkylphosphinic acid that is different therefrom, method for production 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)Al(HPO)HO&#x2003;&#x2003;(I)in which x is 0 to 4,

Mixtures of aluminum phosphite with sparingly soluble aluminum salts and foreign ions, process for the production thereof and the use thereof

The invention relates to mixtures of at least one dialkylphosphinic acid of the formula (I) in which in which

Mixtures of dialkylphosphinic acids and alkylphosphinic acids, a process for preparation thereof and use thereof

The invention relates to mixtures of aluminum hydrogenphosphites of the formula (I)Al(HPO)(HPO)(HO)&#x2003;&#x2003;(I)and aluminum salts comprising

Mixtures of aluminum hydrogenphosphites with aluminum salts, process for the production thereof and the use thereof

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

Mixtures of flame protection means containing flame protection means and aluminium phosphites, method for production and use thereof

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&#x2550;C, C&#x2550;O, or C&#x2550;N double bonds to obtain compounds of type (III), wherein R, R, R, R, R, Rare identical or different from each other and independently represent, inter alia, H, C-C-alkyl, C-C-aryl, C-C-aralkyl, X represents, inter alia, H, C-C-alkyl, C-C-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, NH, NHR, NR, or O&#x2014;CO&#x2014;R, 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.

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Cologne, Germany

Martin Sicken