Abstract:
A layer configuration on a support, the layer configuration comprising a layer containing a polymer containing optionally substituted 3,4-alkylenedioxythiophene structural units, in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, and a compound selected from the group consisting of polyphosphoric acids, polyphosphoric acid salts, thia-alkanedicarboxylic acids, cyclohexadiene compounds and polyhydroxy-compounds selected from the group consisting of tetronic acid derivatives; ortho-dihydroxybenzene compounds with at least one sulpho group, compounds according to formula (I): HOnullCH2nullCH(OH)null(CH2)mnullSnullCH2nullC(R1)(R2)nullCH2nullSnull(CH2)nnullCH(OH)nullCH2nullOH nullnull(I) wherein R1 and R2 are independently H, nullOH or alkyl, and n and m are independently 1, 2 or 3; compounds according to formula (II): HOnull(CH2)pnullSnullCH2nullSnull(CH2)qnullOH nullnull(II) wherein p and q are independently 2, 3 or 4; compounds hydrolyzable to tetronic acid derivatives; compounds hydrolyzable to compounds according to formula (I); and sulpho-substituted 2-thia-alkyl-benzimidazole compounds.
Abstract:
A method for preparing a composition containing between 0.08 and 3.0% by weight of polymer or copolymer of a 3,4-dialkoxythiophene in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, a polyanion and at least one non-aqueous solvent from a dispersion of the polymer or copolymer of (3,4-dialkoxythiophene) and the polyanion in water which is prepared in the substantial absence of oxygen, comprising in the following order the steps of: i) mixing at least one of the non-aqueous solvents with the aqueous dispersion of the polymer or copolymer of (3,4-dialkoxythiophene) and the polyanion; and ii) evaporating water from the mixture prepared in step i) until the content of water therein is reduced by at least 65% by weight; a printing ink, printing paste or coating composition, capable of yielding layers with enhanced conductivity at a given transparency, prepared according to the above-described method; a coating process with the coating composition thereby producing a layer with enhanced conductivity at a given transparency; and a printing process with the printing ink or paste thereby producing a layer with enhanced conductivity at a given transparency.
Abstract:
A substantially light-insensitive black and white monosheet thermographic recording material has a support and on one side of the support comprises a thermosensitive element, a barrier layer and an outermost protective layer, the thermosensitive element being exclusive of a high contrast agent and containing at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith, at least one toning agent and at least one binder, wherein the at least one reducing agent is an ortho-dihydroxy-benzene derivative and the barrier layer comprises a copolymer comprising vinyl chloride units and vinyl acetate and/or vinyl alcohol units, a copolymer comprising styrene units and acrylonitrile units, a copolymer comprising cationic units and/or a copolymer comprising styrene units and maleic acid units.
Abstract:
A thiophene compound represented by formula (I): 1 in which: A represents a C2-C5 alkylene bridge; R represents a stereoselectively substituted, linear or branched C2-C24 alkyl, C3-C18 cycloalkyl, C1-C18 alkoxy or polyethyleneoxide group, optionally substituted with at least one substituent selected from the group consisting of an alcohol, amide, ether, ester or sulfonate group; or an optionally substituted aryl group having at least one chiral centre substituted at said C2-C5 alkylene bridge; polymers derived therefrom; a process for polymerizing a thiophene according to formula (I), optionally chemically or electrochemically; and dispersions, pastes and layers containing polymers derived therefrom.
Abstract:
A 3,4-alkylenedioxythiophenedioxide compound represented by formula 1 in which: A represents a C1-5-alkylene bridge; R represents an optionally substituted C1-24-alkyl, C3-18-cycloalkyl, C1-18-alkoxy or polyethylene oxide group (optionally with at least one substituent selected from the group consisting of an alcohol, amide, ether, ester or sulphonate group) or an optionally substituted aryl group; a polymer comprising monomeric units represented by formula (I); an aqueous dispersion of a polymer comprising monomeric units corresponding to at least one compound according to formula (I) and a polyanion; a chemical polymerization process for preparing the aqueous dispersion comprising the steps of: (i) providing a solution of a polyanion; (ii) adding a compound according to formula (I) and a thiophene or pyrrole compound to the solution provided in step (i); and (iii) adding an oxidizing or reducing system to the mixture provided in step (ii); a printable paste containing the aqueous dispersion; an electroconductive layer containing the polymer; the use of the electroconductive layer in a light emitting diode; an antistatic layer containing the polymer; and an electroconductive pattern and a process for preparing the electroconductive pattern.
Abstract:
An aqueous dispersion of a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25null C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25null C. of at least 2.2 g/L and a polyanion; a preparation process therefor; its use for coating; a printing ink containing the aqueous dispersion; an electro-conductive layer containing a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25null C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25null C. of at least 2.2 g/L and a polyanion derived from an aqueous dispersion thereof; and an antistatic layer containing a copolymer of at least one 3,4-alkylenedioxy-thiophene compound with a solubility in water at 25null C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25null C. of at least 2.2 g/L and a polyanion derived from an aqueous dispersion thereof.
Abstract:
An aqueous dispersion of latex particles, said latex particles containing a polymer containing monomer units according to formula (I): 1 in which R1 and R2 independently of one another represent hydrogen or a C1-5-alkyl group or together form an optionally substituted C1-5-alkylene residue and at least one polyanion compound, said latex having a primary particle size of less than 40 nm and said dispersion contains an organic compound containing a di- or polyhydroxy- and/or carboxy groups or amide or lactam group or an aprotic compound with a dielectric constant, null, null15, wherein said latex particles contain said at least one polyanion compound and said polymer in a weight ratio of at least 4; a process for preparing an electroconductive coating comprising the steps of: preparing an aqueous solution or dispersion of the above-mentioned polymer by polymerization with an initiator in a reaction medium in the presence of at least one polyanion compound under oxidizing or reducing conditions, wherein the weight ratio of the at least one polyanion compound to said structural units during the reaction is in the range of 4:1 to 20:1; preparing a first coating composition containing said polymer associated with said at least one polyanion compound and an organic compound containing a di- or polyhydroxy- and/or carboxy groups or amide or lactam group in a aqueous or non-aqueous medium; coating said first coating composition on an object thereby producing a first layer; and heating said first layer at a temperature of at least 100null C.; and a process for preparing an electroconductive coating comprising the steps of: preparing an aqueous solution or dispersion of the above-mentioned polymer by polymerization with an initiator in a reaction medium in the presence of at least one polyanion compound under oxidizing or reducing conditions, wherein the weight ratio of said at least one polyanion compound to said structural units during the reaction is in the range of 4:1 to 20:1; preparing a second coating composition containing said polymer associated with said at least one polyanion compound and an aprotic compound with a dielectric constant, null, null15 in an aqueous or non-aqueous medium; coating said second coating composition on an object thereby producing a second layer; and heating said second layer at a temperature of at least 50null C.
Abstract:
A process for preparing an aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer, containing structural units according to formula (I): 1 in which R1 and R2 independently of one another represent hydrogen or a C1-5-alkyl group or together form an optionally substituted C1-5-alkylene residue, comprising the step of: preparing the polythiophene or thiophene copolymer with an initiator in a reaction medium in the presence of polyanions under oxidizing or reducing conditions under an inert atmosphere such that when said initiator is added less than 3 mg of oxygen per litre of the reaction medium is present in the reaction medium; an aqueous or non-aqueous solution or dispersion prepared therewith; the use of an aqueous or non-aqueous dispersion or solution comprising the aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer for coating an object; a printable paste containing the aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer; and an electroconductive or an antistatic layer prepared using an aqueous or non-aqueous solution or dispersion comprising the aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer.
Abstract:
A thiophene compound represented by formula (I): 1 in which A represents a C1-5-alkylene bridge; R represents a nullR1null(CnullO)nullR2 group; nullR1null represents a nullR3null or nullR4nullXnullR5null group; R2 is hydrogen, a hydroxy group, a thiol group, nullNR6R7, nullOR8 or a nullSR9 group; R3, R4 and R5 are independently an alkylene group or an arylene group; X is a nullOnull, nullSnull or nullNR10; R6 and R7 are independently hydrogen, an optionally substituted amino group or an optionally substituted alkyl group; R8 and R9 are independently an optionally substituted alkyl group (optionally with at least one substituent selected from the group consisting of an alcohol, amide, ether, ester or sulfonate group), an optionally substituted aryl group or a nullSiR11R12R13 group; R10 is an alkyl, aryl or acyl group; and R11 R12 and R13 are independently an optionally substituted alkoxy or alkyl group; polymers derived therefrom; a process for polymerizing a thiophene according to formula (I), optionally chemically or electrochemically; and solutions, dispersions, pastes and layers containing polymers derived therefrom.
Abstract translation:由式(I)表示的噻吩化合物:其中A表示C1-5亚烷基桥; R表示-R1-(C = O)-R2基团; -R1-表示-R3-或-R4-X-R5-基团; R2是氢,羟基,硫醇基,-NR6R7,-OR8或-SR9基团; R3,R4和R5独立地是亚烷基或亚芳基; X是-O - , - S-或= NR10; R6和R7独立地为氢,任选取代的氨基或任选取代的烷基; R8和R9独立地是任选取代的烷基(任选地具有至少一个选自醇,酰胺,醚,酯或磺酸酯基的取代基),任选取代的芳基或-SiR 11 R 12 R 13基团; R 10是烷基,芳基或酰基; 和R11R12和R13独立地是任选取代的烷氧基或烷基; 衍生自其的聚合物; 根据式(I)聚合噻吩的方法,任选化学或电化学方法; 以及含有由其衍生的聚合物的溶液,分散体,糊剂和层。
Abstract:
A material for making a conductive pattern, the material comprising a support and a heat-differentiable element, the heat-differentiable element comprising an outermost layer containing a polyanion and an intrinsically conductive polymer and optionally a second layer contiguous with the outermost layer, characterized in that the outermost layer and/or the optional second layer contains hydrophobic thermocoagulable latex particles in a weight ratio range with respect to the intrinsically conductive polymer in the range of 20:1 to 1:5, the hydrophobic thermocoagulable latex particles are capable upon heating of increasing the conductivity of the heated parts of the outermost layer relative to the unheated parts of the outermost layer and/or changing the removability of the heated parts of the outermost layer relative to the unheated parts of the outermost layer and the heat-differentiable element does not comprise a di- or polyhydroxy organic compound or an aprotic compound with a dielectric constant, null, null15; a method of making a conductive pattern on a support therewith; and a use of the material for making a conductive pattern in making an electronic circuit in the production of an electric or semiconductor device such as a printed circuit board, an integrated circuit, a display or touch screen, an electroluminescent device or a photovoltaic cell.