Abstract: The invention relates to a soft-magnetic powder comprising a core of a soft-magnetic material and a coating, the coating comprising an insulation treatment compound and an inhibitor, the inhibitor being: (e) a carboxylic acid with the general formula (I) wherein R1 is a single bond or C1-C6-alkylene, R2 to R6 are each independently H, OH, —X—COOH, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C7-cycloalkyl, C6-C12-aryl, COOR7, OR8, or two adjacent groups R2 to R6 together form a ring, X is a single bond or C1-C6-alkylene; R7, R8 are C1-C20-alkyl; or a salt of the carboxylic acid, and/or (f) a compound of the general formula (II) (R9—O—)(R10—O—)(R11—O—)PO??(II) wherein R9 to R11 independently of each other indicate C1-C20-alkyl, C2-C20-alkenyl, C2-C6-alkynyl, C3-C7-cycloalkyl, C6-C12-aryl, unsubstituted or substituted with one or more groups selected from OH and NH2, or R9 to R11 are each independently a polydiol moiety having a molecular weight MW of 500 to 30000 g/mol which is optionally cappe

Abstract: The invention relates to a soft-magnetic powder coated with a silicon based coating, wherein the silicon based coating comprises at least one of the following fluorine containing compositions: a) a fluorine containing composition of formula (I) Si1-0,25aM1aO2-0,5bFb??(I) wherein a is in the range of 0.015 to 0.52, b is in the range of 0.015 to 0.52, M1 is H, K, Rb, Cs or NR14, wherein each R1 is independently selected from the group consisting of H, C1-6 alkyl, phenyl and benzyl; or b) a fluorine containing composition of formula (II) Si1-0,75cM2cO2-0,5dFd??(II) wherein c is in the range of 0.005 to 0.17, d is in the range of 0.015 to 0.52, M2 is B or Al; or c) a fluorine containing composition of formula (III) Si1-1,25ePeO2-0,5fFf??(III) wherein e is in the range of 0.003 to 0.10, f is in the range of 0.015 to 0.52. The invention further relates to a process of coating the soft-magnetic powder, the use of such soft-magnetic powder and an electronic component including such soft-magnetic powder.

Abstract: The invention relates to a soft-magnetic powder coated with a silicon based coating, wherein the silicon based coating comprises at least one of the following fluorine containing compositions: a) a fluorine containing composition of formula (I) Si1-0,25aM1aO2-0,5bFb??(I) wherein a is in the range of 0.015 to 0.52, b is in the range of 0.015 to 0.52, M1 is H, K, Rb, Cs or NR14, wherein each R1 is independently selected from the group consisting of H, C1-6 alkyl, phenyl and benzyl; or b) a fluorine containing composition of formula (II) Si1-0,75cM2cO2-0,5dFd??(II) wherein c is in the range of 0.005 to 0.17, d is in the range of 0.015 to 0.52, M2 is B or Al; or c) a fluorine containing composition of formula (III) Si1-1,25ePeO2-0,5fFf??(III) wherein e is in the range of 0.003 to 0.10, f is in the range of 0.015 to 0.52.

Abstract: The invention relates to a soft-magnetic powder comprising a core of a soft-magnetic material and a coating, the coating comprising an insulation treatment compound and an inhibitor, the inhibitor being: (e) a carboxylic acid with the general formula (I) wherein R1 is a single bond or C1-C6-alkylene.

Abstract: A method for the production of paper, cardboard and card by adding a microparticle system consisting of a polymer retention agent having a molar mass Mw of at least 2 million and a fine-part inorganic component in order to form a paper material having a material density of a 20 g/l maximum and by dewatering the paper material, wherein the paper material undergoes at least one shearing step prior to or after addition of the retention agent and wherein the retention agent is introduced in a dosed manner into the paper material in at least two places and the fine inorganic component is dosed prior to or after addition of the retention agent or between two dosing points for the retention agent.

Abstract: A method for the production of paper, cardboard and card by adding a microparticle system consisting of a polymer retention agent having a molar mass Mw of at least 2 million and a fine-part inorganic component in order to form a paper material having a material density of a 20 g/l maximum and by dewatering the paper material, wherein the paper material undergoes at least one shearing step prior to or after addition of the retention agent and wherein the retention agent is introduced in a dosed manner into the paper material in at least two places and the fine inorganic component is dosed prior to or after addition of the retention agent or between two dosing points for the retention agent.

Abstract: The invention relates to chiral 3,4-dihydro-2H-pyran compounds and diastereomers thereof, and to the use of these compounds as chiral dopants for liquid-crystalline systems. The invention furthermore relates to non-polymerizable or polymerizable liquid-crystalline compositions which comprise at least one chiral 3,4-dihydro-2H-pyran compound according to the invention, to the use of these non-polymerizable or polymerizable liquid-crystalline compositions for the production of optical components, to the use of the polymerizable liquid-crystalline compositions for printing or coating substrates, for the preparation or production of dispersions and emulsions, films or pigments and optical components of this type, printed or coated substrates, dispersions and emulsions, films and pigments.

Abstract: The invention relates to chiral 3,4-dihydro-2H-pyran compounds and diastereomers thereof, and to the use of these compounds as chiral dopants for liquid-crystalline systems. The invention furthermore relates to non-polymerizable or polymerizable liquid-crystalline compositions which comprise at least one chiral 3,4-dihydro-2H-pyran compound according to the invention, to the use of these non-polymerizable or polymerizable liquid-crystalline compositions for the production of optical components, to the use of the polymerizable liquid-crystalline compositions for printing or coating substrates, for the preparation or production of dispersions and emulsions, films or pigments and optical components of this type, printed or coated substrates, dispersions and emulsions, films and pigments.

Abstract: The invention relates to a cholesteric layered material with improved color shift stability.

Abstract: Disclosed are polymerizable liquid-crystalline compounds of the general formula (I) where A1 and A2 are identical or different and are each a crosslinkable group; the radicals X are identical or different and are each a single bond, —O—, —S—, —C═N—, —O—CO—, —CO—O—, —O—CO—O—, —CO—NR—, —NR—CO—, —NR—, —O—CO—NR, —NR—CO—O—, —CH2—O— or —NR—CO—NR, in which R is H or C1-C4-alkyl; and M is a mesogenic group, a process for their preparation and their use for preparing cholesteric phases.

Abstract: Disclosed are polymerizable liquid-crystalline compounds of the general formula (I) 1

Abstract: Liquid-crystalline compositions containing, as components, A) at least one compound of the formula I Z1—Y1—A1—Y3—M—Y4—A2—Y2—Z2  (I),  where Z1 and Z2 are each a reactive group, Y1 to Y4 are each a linking unit, A1 and A2 are each a spacer and M is a mesogenic group, B) at least one reactive compound selected from b1) vinyl or allyl ethers, b2) vinyl or allyl esters of saturated or unsaturated carboxylic acids, b3) methacrylic or acrylic esters of monofunctional or polyfunctional alcohols, b4) polyester (meth)acrylates, b5) vinylaromatics or vinylheteroaromatics, and b6) compounds of the general formula II CH2═CH—NR2—R1  (II), in which R1 and R2 are as defined in detail in the description, and C) if desired further additives.

Abstract: Disclosed are polymerizable liquid-crystalline compounds of the general formula (I) where A1 and A2 are identical or different and are each a crosslinkable group; the radicals X are identical or different and are each a single bond, —O—, —S—, —C═N—, —O—CO—, —CO—O—, —O—CO—O—, —CO—NR—, —NR—CO—, —NR—, —O—CO—NR, —NR—CO—O—, —CH2—O— or —NR—CO—NR, in which R is H or C1-C4-alkyl; and M is a mesogenic group, a process for their preparation and their use for preparing cholesteric phases.

Abstract: Improved liquid crystalline materials may be prepared by doping liquid crystalline materials with chiral, uncharged metal compounds of formula [(P1—Y1—A1—Y2—M1—Y3—)nL]2Me or [(P1—Y1—A1—Y2—M1—Y3—)nL]Me(L′(—Y6—M2—Y5—A2—Y4—P2)n′)m. Groups P1 and P2 may be, independently, hydrogen, C1-C12-alkyl groups, polymerizable groups, or radicals containing a polymerizable group. Y1 to Y6 may be, independently, single chemical bonds, ether groups, thio groups, carbonyl groups, acid groups, etc. Groups A1 and A2 are spacers having from 1 to 30 carbon atoms, and M1 and M2 are mesogenic groups. Me may be a transition metal from the fourth, fifth or sixth period of the periodic table, except for technetium, silver, cadmium, gold, mercury, or any of the lanthanoids, or Me may be a main group element from group 14 (IUPAC system), except for carbon and lead.

Abstract: The invention relates to the use of compounds of the formula I in which X is the divalent radical of oxygen, a carbonyl radical, optionally aliphatically substituted imino or the radical ═CR9R10, Y is a carbonyl group or the radical ═CR9R10, R1 and R2 are identical or different electron-withdrawing radicals, chosen from the group consisting of cyano, alkyl- or arylcarbonyl, alkyloxy- or aryloxycarbonyl, optionally substituted aminocarbonyl, alkyl- or arylsulfinyl, alkyl- or arylsulfonyl and optionally substituted aminosulfonyl, R3 is a hydrogen atom, a cyano, hydroxyl, carboxyl or aminocarbonyl group or a C5-C20-aryl radical or C1-C20-alkylradical optionally bonded via an oxygen bridge, an aminocarbonyl bridge or oxycarbonyl bridge, R4 is a hydrogen atom, a hydroxyl group, an amino group, or a C5-C20-aryl radical or C1-C20-alkyl radical optionally bonded via an oxygen bridge, and R5 to R10 independently of one another are hydrogen or C1-C20-alkyl radicals and where in additio

Abstract: The present invention relates to chiral 1,3-dioxane compounds and diastereomers thereof of the general formula I where R1, R2 and R3 are as defined in the description, and the use of these compounds as chiral dopants for liquid-crystalline systems. The invention further relates to non-polymerizable or polymerizable liquid-crystalline compositions comprising at least one chiral 1,3-dioxane compound of the formula (I) of the invention, the use of these non-polymerizable or polymerizable liquid-crystalline compositions for producing optical components, the use of the polymerizable liquid-crystalline compositions for printing or coating substrates, for preparing dispersions and emulsions, films or pigments and optical components, printed or coated substrates, dispersions and emulsions, films and pigments of this type.

Abstract: The invention relates to cholesteric layered material having an improved color impression, to pigments prepared therefrom, and to a process for the production and use thereof.

Abstract: The use of compounds of the formula I in which R1 and R2 are identical or different, electron-withdrawing radicals chosen from the group consisting of cyano, alkyl- or arylcarbonyl, alkyloxy- or aryloxycarbonyl and optionally substituted aminocarbonyl, R3 is a hydrogen atom, a C1-C20-alkyl radical or a C3-C20-cycloalkyl radical or a radical of the formula —CH2—CH2—SO3—M+, where M+ is a cation, X is the divalent radical of oxygen, sulfur or the radical where R3 is as defined above, is the divalent radical of the formula II or III, which forms a fused system with the radical of the formula I where R4 can be bonded one or more times to the benzylidene ring I or naphthylidene ring II, and is hydrogen, alkyl, cycloalkyl, alkyloxy, cycloalkyloxy, alkoxycarbonyl, mono- or dialkylaminocarbonyl, alkylamino, dialkylamino, each having up to 20 carbon atoms, and also cyano, amino and SO3—M+, where M+ is a cation,

Abstract: The use of compounds of the general formula I in which the substituents are as defined in the description, as chiral dopants for nematic or cholesteric liquid crystals for the generation of layers which reflect in color in the UV or IR region or for the preparation of pigments having a liquid-crystalline cholesteric order.

Abstract: The invention relates to the use of compounds of the formula I 1