ЭЛЕКТРОННЫЕ КУРИТЕЛЬНЫЕ ИЗДЕЛИЯ

Изобретение относится к электронному курительному изделию, которое содержит аутентичную первую секцию, которая включает в себя устройство формирования аэрозоли с имеющимся в нем по меньшей мере одним нагревателем, аутентичную вторую секцию, которая включает в себя источник питания, способный подавать напряжение на по меньшей мере один нагреватель для нагрева участка устройства формирования аэрозоли для образования аэрозоли, и контур из проводящих чернил, встроенный в первую и вторую секции, при этом источник питания и устройство формирования аэрозоли электрически соединены после соединения первой и второй секций, и первая и вторая секция имеет участок с контуром из проводящих чернил. Технический результат заключается в обеспечении аэрозоли пользователю. 3 н. и 22 з.п. ф-лы, 4 ил.

ОРГАНИЧЕСКИЕ КОМПЛЕКСЫ СЕРЕБРА, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И СПОСОБЫ ФОРМИРОВАНИЯ ИЗ НИХ ТОНКИХ СЛОЕВ

Настоящее изобретение относится к новому органическому комплексу серебра, включающему серебро, карбамат аммония или карбонат аммония формулы 2 AgnX, где Х - кислород, галоген, циано, карбонат, нитрат, нитрит или сульфат и др., и способу его получения взаимодействием соединения серебра с соответствующим карбаматным соединением аммония или карбонатным соединением аммония. Комплекс обладает высокой стабильностью и применим при получении тонких пленок для получения рисунков соединительной металлизации или электродов. 4 н. и 15 з.п. ф-лы, 15 ил., 1 табл.

ПРОВОДЯЩИЕ ПАСТЫ С МЕТАЛЛООРГАНИЧЕСКИМИ МОДИФИКАТОРАМИ

Изобретение относится к проводящим пастам, применяемым для формирования металлических контактов на поверхности субстратов в фотогальванических элементах. Проводящая паста содержит стеклянную фритту, проводящий материал, органическую среду и один или более металлоорганических компонентов, которые образуют оксиды металлов при обжиге. Металлоорганические компоненты выбраны из группы, включающей карбоксилат металла и алкоксид металла, где металл - бор, алюминий, кремний, висмут, цинк или ванадий. При нанесении на просветляющее покрытие на субстрате проводящая паста способна проникать через покрытие с формированием омического контакта с субстратом. Описан также фотогальванический элемент, содержащий полупроводниковый субстрат, просветляющее покрытие и линии проводящей сетки, сформированные из указанной проводящей пасты. Предложенная проводящая паста обеспечивает повышение эффективности фотогальванического элемента, улучшает адгезию и омический контакт между металлическими элементами и субстратом ...

ПОЛУЧЕНИЕ ФОРМОВАННЫХ МЕТАЛЛИЧЕСКИХ ЧАСТИЦ И ИХ ПРИМЕНЕНИЯ

... 1. Способ получения формованных частиц переходных металлов в форме нанопластин, где металл выбирается и группы, состоящей из Cu, Ag, Au, Zn, Cd, Ti, Cr, Mn, Fe, Co, Ni, Ru, Rh, Pd, Os, Ir и Pt, отличающийся тем, что содержит стадииa) добавления восстанавливающего агента к водной смеси, содержащей соль переходного металла и полимерный диспергирующий агент, и затемb) обработки полученной коллоидной дисперсии пероксидом,где водная смесь на стадии а) содержит соль переходного металла в концентрации выше 2 ммоль на литр.2. Способ по п.1, где на стадии а) присутствует по меньшей мере одна добавка, выбранная из группы, состоящей из тиола, дисульфида, ксантогената, дитиокарбамата, спирта, амина и пеногасителя.3. Способ по п.1, где соль переходного металла представляет собой соль серебра (I), в частности, выбранную из группы, состоящей из AgNO; AgClO; AgSO; AgCl; AgBr; AgI; AgOH; AgO; AgBF; AgIO; AgPF; RCOAg, RSOAg, где Rпредставляет собой незамещенный или замещенный С-Салкил, незамещенный или замещенный ...

ОРГАНИЧЕСКИЕ КОМПЛЕКСЫ СЕРЕБРА, СПОСОБЫ ИХ ПОЛУЧЕНИЯ И СПОСОБЫ ФОРМИРОВАНИЯ ИЗ НИХ ТОНКИХ СЛОЕВ

... 1. Комплекс серебра, получаемый взаимодействием по меньшей мере одного соединения серебра, представленного ниже формулой 2, по меньшей мере с одним карбаматным соединением аммония или карбонатным соединением аммония, представленными ниже формулами 3, 4 или 5: AgnX (2), где n равно целому числу от 1 до 4, и X представляет собой заместитель, выбранный из группы, состоящей из кислорода, серы, галогена, циано, цианата, карбоната, нитрата, нитрита, сульфата, фосфата, тиоцианата, хлората, перхлората, тетрафторбората, ацетилацетоната и карбоксилата; где каждый из R1, R2, R3, R4, R5 и R6 независимо представляет собой заместитель, выбранный из группы, состоящей из водорода, алифатического или циклоалифатического C1-C30-алкила, арила или аралкила, замещенного алкила или арила, где R1 и R2 и, независимо, R4 и R5 могут образовывать алкиленовое кольцо, содержащее или не содержащее гетероатом, полимерное соединение или его производное. 2. Комплекс серебра по п.1, который представлен ниже формулой 1: ...

СТЕКЛЯННЫЕ ФРИТТЫ

... 1. Фритта, содержащая TeO2; и один или более из Bi2O3 и SiO2, при этом данная фритта не содержит целенаправленно добавленного свинца. ! 2. Фритта по п.1, дополнительно содержащая B2O3. ! 3. Фритта по п.2, дополнительно содержащая по меньшей мере один первый оксидный компонент, выбранный из одного или более из следующих: ZnO, Al2О3 и их комбинаций. ! 4. Фритта по п.2 или 3, дополнительно содержащая по меньшей мере один второй оксидный компонент, выбранный из одного или более из следующих: Ag2O, Sb2O3, GeO2, In2O3, Р2O5, V2O5, Nb2O5, Та2O5 и их комбинаций. ! 5. Фритта по п.2, дополнительно содержащая по меньшей мере один оксид щелочного металла, выбранный из одного или более из следующих: Na2O5 Li2O, K2O и их комбинаций. ! 6. Фритта по п.2, дополнительно содержащая по меньшей мере один оксид щелочноземельного металла, выбранный из одного или более из следующих: ВаО, CaO, MgO, SrO и их комбинаций. ! 7. Фритта по п.2, где TeO2 присутствует в количестве в диапазоне от около 0,1 мас.% до около ...

ПРОЦЕСС МНОГОСЛОЙНОЙ ПЕЧАТИ

... 1. Процесс формирования печатного изделия, включающий в себя следующие этапы:нанесение отверждаемой при подводе энергии печатной краски на подложку на одной первой станции с использованием процесса печати;отверждение указанной отверждаемой при подводе энергии печатной краски при помощи процесса отверждения с подводом энергии на одной второй станции спереди по ходу от указанной первой станции для формирования отвержденного за счет подвода энергии слоя, инаправление указанной подложки к одной третьей станции спереди по ходу от указанной второй станции.2. Процесс по п. 1, в котором указанное отверждение указанной отверждаемой при подводе энергии печатной краски с использованием указанного процесса отверждения с подводом энергии включает отверждение указанной отверждаемой при подводе энергии печатной краски с использованием электронного луча на указанной второй станции спереди по ходу от указанной первой станции для формирования указанного отвержденного за счет подвода энергии слоя.3. Процесс ...

Паста углеродная проводящая для трафаретной печати

Изобретение относится к пасте углеродной проводящей, которая может быть использована в качестве чернил для трафаретной печати гибких электродов с улучшенными электрофизическими свойствами. Проводящая углеродная паста для трафаретной печати содержит проводящий наполнитель, проводящие углеродные добавки, полимерное связующее и стабилизирующую силиконовую добавку. В качестве проводящего наполнителя используют графит с концентрацией 28-32 масс. %. В качестве проводящей углеродной добавки используют 5-7 масс. % технического углерода. Соотношение общей массы графита к массе полимерного связующего составляет от 6:1 до 7,5:1. Изобретение позволяет уменьшить удельное электрическое сопротивление изготавливаемых электродов и увеличить их физическую стойкость к перегибам, что расширяет возможность использования данной пасты для изготовления гибких электродов методом трафаретной печати. 4 з.п. ф-лы, 4 ил.

VERFAHREN ZUR HERSTELLUNG EINER ZUSAMMENSETZUNG ENTHALTEND EIN POLYMER ODER COPOLYMER VON 3,4-DIALKOXYTHIOPEN UND EIN NICHT-WÄSSRIGES LÖSUNGSMITTEL

VORRICHTUNG UND VERFAHREN ZUR STEUERUNG DERREGISTRATION VON DRUCKSCHRITTEN IN EINEM KONTINUIERLICHEN

VERFAHREN ZUR HERSTELLUNG VON STRUKTUREN IM NANOMETERBEREICH ZUR ANWENDUNG IM BEREICH DER MASKENREPARATUR

TINTE BZW. DRUCKFARBE FUER ELEKTRISCHE WIDERSTAENDE

TINTE FUER DIE FLUESSIGKEITSAUFZEICHNUNG

Druckfähige und leitfähige Paste und Verfahren zum Beschichten eines Materials mit der Paste

Druckfähige und leitfähige Paste, enthaltend ein dispergierbares thermoplastisches Polyurethan, einen leitfähigen Füllstoff, einen wasserlöslichen Verdicker und Wasser. Verfahren zur Beschichtung eines Materials mit einer nach einem der vorherigen Ansprüche hergestellten Paste, bei dem die Paste auf zumindest ein Material gedruckt und anschließend getrocknet wird und das mit der Paste bedruckte Material einer kombinierten Wärme- und Druckbehandlung unterzogen wird.

Verfahren zur Metallisierung von Solarzellen, Hotmelt-Aerosol-Tinte und Aerosol-Jet-Drucksystem

Die vorliegende Erfindung betrifft ein neuartiges Verfahren zum Aufbringen von leitfähigen Strukturen auf Solarzellen, wobei mittels eines Aerosol-Jet-Drucksystems eine Hotmelt-Aerosol-Tinte zerstäubt und in Richtung der Solarzelle aus dem Drucksystem ausgetragen wird, wobei das Drucksystem mindestens teilweise beheizt wird, um die Viskosität der eingesetzten Tinte niedrig zu halten. Beim Auftreffstarrt die Tinte.

Continuous process for preparing nanodispersions using an ultrasonic flow-through heat exchanger

No Title

Creating layers in thin-film structures

Ink jet printing compositions in opto-electrical devices

Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls

Composite lubricating material, engine oil, grease, and lubricant, and method of producing a composite lubricating material

Provided are a composite lubricating material, engine oil, grease and lubricant, excellent in lubricity. The composite lubricating material comprises at least a graphite-based carbon material and/or graphene-like graphite exfoliated from the graphite-based carbon material dispersed in a base material. The graphite-based carbon material is characterized by having a rhombohedral graphite layer (3R) and a hexagonal graphite layer (2H), wherein a Rate (3R) of the rhombohedral graphite layer (3R) and the hexagonal graphite layer (2H), based on an X-ray diffraction method, which is defined by following Equation 1 is 31A or more: Rate (3R) = P3/ (P3+P4) x100 • • • • Equation 1 wherein P3 is a peak intensity of a (101) plane of the rhombohedral graphite layer (3R) based on the X-ray diffraction method, and P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2H) based on the X-ray diffraction method.

Graphite-based carbon material useful as graphene precursor, as well as method of producing the same

A graphite-based carbon material is disclosed which is suitable as a graphene precursor, from which a highly-concentrated graphene dispersion can easily be obtained. The graphite-based carbon material has rhombohedral graphite layer and a hexagonal graphite layer wherein a Rate, which is defined by Equation 1, is 31% or more: Rate = P3/ (P3+P4) x100 Equation 1 wherein P3 is a peak intensity of a (101) plane of the rhombohedral graphite layer based on the X-ray diffraction method, and P4 is a peak intensity of a (101) plane of the hexagonal graphite layer based on the X-ray diffraction method. The graphite-based carbon material can be produced by carrying out radiowave and physical treatment on a natural graphite material.

A banknote and a method of producing a banknote

A method of producing banknotes on a substrate in-line on a web based process is disclosed, including providing a tactile layer. In addition, a banknote produced by the above method, a banknote having a single-ink system, a coating for banknote and a tactile security feature are disclosed.

High resolution conductive patterns having low variance through optimization of catalyst concentration

A composite electrically-conductive material

A composite thermally-conductive material

Rram materials and devices

Ink Composition, kit, method of manufacturing a deformable conductor utilizing the ink composition, deformable conductor and electronic device comprising the

An ink comprises (i) transition metal ion source, (ii) reducing agent, and (iii) polymer and/or polymer precursor with polymerisable terminal multiple bonds. The ink may contain 5-50 wt.% transition metal ion source, such as salts, oxides, or complexes, which may comprise silver or copper. The ink may include 1-10 wt.% reducing agent, optionally selected from formate, carbamate, carboxylate, hydrazinecarboxylate, or carbonates/bicarbonates of amines or ammonium. The polymer may be a thermoplastic or an elastomer, especially polyisoprene rubber, polydimethylsiloxane, or polyurethane. The polymer precursor may be (meth)acrylic acid or acrylamide. The ink preferably comprises 0.5-10 wt.% polymer/precursor. The transition metal ion source and polymer/precursor may be a single compound, e.g. silver acrylate. A method of manufacturing a deformable conductor comprises applying the ink to a deformable substrate and thermally treating or irradiating the ink. An electronic device, particularly a ...

COMPOSITE CONDUCTIVE MATERIAL, POWER STORAGE DEVICE, CONDUCTIVE DISPERSION, CONDUCTIVE DEVICE, CONDUCTIVE COMPOSITE AND THERMALLY CONDUCTIVE COMPOSITE AND METHOD OF PRODUCING A COMPOSITE CONDUCTIVE MATERIAL

COMPOSITE LUBRICATING MATERIAL, ENGINE OIL, GREASE, AND LUBRICANT

COMPOSITE REINFORCING MATERIAL AND MOLDING MATERIAL

COMPOSITE REINFORCING MATERIAL AND MOLDING MATERIAL

COMPOSITE CONDUCTIVE MATERIAL, POWER STORAGE DEVICE, CONDUCTIVE DISPERSION, CONDUCTIVE DEVICE, CONDUCTIVE COMPOSITE AND THERMALLY CONDUCTIVE COMPOSITE AND METHOD OF PRODUCING A COMPOSITE CONDUCTIVE MATERIAL

COMPOSITE LUBRICATING MATERIAL, ENGINE OIL, GREASE, AND LUBRICANT

GRAPHITE-TYPE CARBON MATERIAL USED AS GRAPHENE PRECURSOR AND METHOD FOR PRODUCING SAME

Manufactoring process of a ferromagnetic paste of impression.

GRAPHITE-TYPE CARBON MATERIAL USED AS GRAPHENE PRECURSOR AND METHOD FOR PRODUCING SAME

COMPOSITE REINFORCING MATERIAL AND MOLDING MATERIAL

COMPOSITE LUBRICATING MATERIAL, ENGINE OIL, GREASE, AND LUBRICANT

GRAPHITE-TYPE CARBON MATERIAL USED AS GRAPHENE PRECURSOR AND METHOD FOR PRODUCING SAME

COMPOSITE CONDUCTIVE MATERIAL, POWER STORAGE DEVICE, CONDUCTIVE DISPERSION, CONDUCTIVE DEVICE, CONDUCTIVE COMPOSITE AND THERMALLY CONDUCTIVE COMPOSITE AND METHOD OF PRODUCING A COMPOSITE CONDUCTIVE MATERIAL

COOLLY TO THE USE IN A COURSE PRINTING PROCESS FOR THE PRODUCTION OF ELECTRO-CHEMICAL SENSORS

CATALYST INK

PRETREATMENT OF A SUBSTRATE IN A CONTINUOUS PRODUCTION PROCESS FOR ELECTRO-CHEMICAL SENSORS

PROCEDURE FOR THE PRODUCTION ELECTRO-CHEMICAL SENSORS

RESIN COMPOSITION

ENDOW FROM TEILCHENFÖRMIGEN SEMICONDUCTOR MATERIALS

Verfahren zur Herstellung zumindest einer Leiterbahn

Die Erfindung betrifft ein Verfahren zur Herstellung zumindest einer Leiterbahn (1) auf einem Trägerelement (2) mit Holzoberfläche, wobei ein leitfähiges Material (3) der Leiterbahn (1) direkt auf die Holzoberfläche des Trägerelements (2) in Form einer flüssigen oder gasförmigen Beschichtung oder als Plasma aufgebracht wird, wobei das Trägerelement (2) vor dem Aufbringen des leitfähigen Materials (3) in einer technischen Trocknungsvorrichtung (14) getrocknet wird.

PLANING MEANS AND DEVICES

PROCEDURE FOR THE PRODUCTION OF METALIZED TEXTILEM PLANAR FORMATION, METALIZED TEXTILES PLANAR FORMATION AND USE OF THE THEN MANUFACTURE METALLIZED TEXTILEN OF PLANAR FORMATION

CONDUCTIVE INK

METALLISCH LEITFÄHIGE TINTE FÜR TINTENSTRAHLDRUCK SOWIE VERFAHREN ZUR HERSTELLUNG DERSELBEN

The invention relates to a metallic, conductive ink for ink-jet printing, comprising a metal precursor material, in particular an organometallic decomposition compound, and a thermally decomposable polymer dissolved in an organic solvent, wherein a polymer having a decomposition temperature Tc<150° C. is contained as the thermally decomposable polymer. The polymer is selected from a cyclic polyacetal having blocked terminal groups, a cyclic polyaldehyde comprising bifunctional monomers, such as polyphthalaldehyde, polyglutaraldehyde, polysuccinaldehyde, and a polymeric glyoxylic acid, or a glyoxylic acid derivative, such as poly(methyl glyoxylate). The monomeric depolymerization products of the thermally decomposable polymer are used as reductants for the metal precursor material. The invention further relates to a method for producing the ink.

PROCEDURE FOR PREPARING A COATING PASTE

PRINTING INK, USE OF MICRO WIRES AS ANTENNAS IN SAFETY DOCUMENTS, PROCEDURES FOR THE PRODUCTION AND AUTHENTIFIZIERUNG THE SAME

Graphene complexes and compositions thereof

Disclosed herein are complexes comprising graphene compositions thereof. Also disclosed herein are methods of synthesising said complexes and compositions, and the use of said complexes and compositions in, for instance, biomolecular sensing.

INK COMPOSITION AND METHOD FOR USE THEREOF IN THE MANUFACTURING OF ELECTROCHEMICAL SENSORS

APPARATUS AND METHOD FOR CONTROLLING REGISTRATION OF PRINT STEPS IN A CONTINUOUS PROCESS FOR THE MANUFACTURE OF ELECTROCHEMICAL SENSORS

Catalyst ink

Nanotube dispersants and dispersant free nanotube films therefrom

A degradable polymeric nanotube (NT) dispersant comprises a multiplicity of NT associative groups that are connected to a polymer backbone by a linking group where there are cleavable groups within the polymer backbone and/or the linking groups such that on a directed change of conditions, bond breaking of the cleavable groups results in residues from the degradable polymeric NT dispersant in a manner where the associative groups are uncoupled from other associative groups, rendering the associative groups monomelic in nature. The degradable polymeric nanotube (NT) dispersant can be combined with carbon NTs to form a NT dispersion that can be deposited to form a NT film, or other structure, by air brushing, electrostatic spraying, ultrasonic spraying, ink-jet printing, roll-to-roll coating, or dip coating. The deposition can render a NT film that is of a uniform thickness or is patterned with various thicknesses. Upon deposition of the film, the degradable polymeric nanotube (NT) dispersant ...

A METHOD FOR THE PRODUCTION OF CONDUCTIVE AND TRANSPARENT NANO-COATINGS AND NANO-INKS AND NANO-POWDER COATINGS AND INKS PRODUCED THEREBY

Composite reinforcing material and molding material

... (10) 0 (43) M EM 2015 * 12 JA 30 H(30.12.2015) W O 2015/198657 Al WIPO I PCT (51) MRMH-F32: (74) It IT A: 1 { Q [%, 3r$ (SHIGENOBU Kazuo et C08L 101/00 (2006.01) C08K 3/04 (2006.01) al.); T 1028578 3S f-T -1tEl 2 #t]-% T 4 1 -F (21) RR95 : PCT/JP2015/058331 )fJ 7'.2 i 1 9[M Tokyo (JP). (22) [PJ89 : 2015 P 3 , 19 8 (19.03.2015) (81) t't (A1,tS LI3R L 5- fi T RI): AE, AG, AL, AM, AO, AT, AU, AZ, BA, (25) [P, t ) : I =|Mt3 BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, (26) [P, 8t. =1 Fl, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, (30) 4fr.tf-"%: IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, PCT/JP2014/073838 2014 P 9 , 9 8(09.09.2014) JP LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, PCT/JP2015/055977 2015 P 2 , 27 8(27.02.2015) JP MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, (71) h RE A: 'Y 5 7 '/ 5 'V h 7 t -i L RE SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, (GRAPHENE ...

Method for printing multi-characteristic intaglio features

The present invention is related to an intaglio ink composition comprising a first component A) and a second component B), wherein the first component A) is selected from the group consisting of i) about 0.1% to about 40 % by weight of a plurality of first particles having a modal particle diameter between about 1 nm and about 3 m, said plurality of first particles may be a material having machine readable properties, preferably selected from the group consisting of magnetic properties, UV- or IR-absorbing properties, optically variable properties, light polarization properties, electro-conductive properties, luminescent properties and combinations thereof, ii) about 1% to about 20% by weight of one or more dyes, said one or more dyes may be a material having machine readable properties preferably selected from the group consisting of IR-absorbing properties, luminescent properties and combinations thereof, and iii) combinations thereof, and the second component B) is about 0.1% to about ...

CONDUCTIVE INKS

A conductive ink substantially free of frit and photovoltaic cells having conductive gridlines formed from a conduc-tive ink substantially free of glass frit are described. Conductive inks according embodiments of the present invention are adapted to adhere to the surface of a substrate and, upon firing, form a solid metal oxide phase and cause a conductive species to form an electri-cal conductor on the substrate. In further embodiments, the conductive ink is capable of penetrating anti-reflection coatings disposed on surfaces of substrates. In accordance with one or more embodiments, the conductive inks include a plurality of metallo-organic components which form a solid metal oxide phase upon firing and a conductive species. In other embodiments, the conductive inks include a plurality of precursors, including one or more precursors which form conductive elements upon firing or heating.

PALLADIUM PRECURSOR COMPOSITION

A non-catalytic palladium precursor composition is disclosed, including a palladium salt and an organoamine, wherein the composition is substantially free of water. The composition permits the use of solution processing methods to form a palladium layer on a wide variety of substrates, including in a pattern to form circuitry or pathways for electronic devices.

INCREASED THROUGHPUT FOR LARGE-SCALE PRODUCTION OF LOW MELT ORGANOAMINE STABILIZED SILVER NANO-PARTICLES

Process for producing organoamine-stabilized silver nanoparticles with a molar ratio of silver salt to organoamine of about 1:4 to about 1:10 are disclosed. The process includes: forming a solution including an organic solvent and a first amount of organoamine; adding silver salt particles to the solution; adding a second amount of organoamine to the solution; adding a hydrazine to the solution; and reacting the solution to form an organoamine-stabilized silver nanoparticles.

U.V. CURABLE INK COMPOSITION CONTAINING A SILVER OR MERCURY NON-HALIDE SALT IN A RESINOUS BINDER AND AN ELECTRICALLY CONDUCTIVE METAL

RD 8243 A method is provided for making circuit boards having improved stability and articles made therefrom. In addition, UV-curable ink compositions are also provided convertible to conductive strips when printed onto nonconducting substrates and cured thereon. The conductive strips have improved resistance to salt contamination.

POLYMER THICK FILM INKS

Polymer thick film inks which comprise a polymeric binder, a conductive filler, and a latent solvent for the binder, i.e. a solvent which does not dissolve the binder at printing temperatures but does dissolve the binder at elevated temperatures. At the time of printing, the binder is present in the form of particles dispersed in the solvent. The printed ink is then heated first to dissolve the binder and then to cure the ink. Preferred inks contain a fluropolymer as binder, in particular polyvinylidene fluoride.

INKS FOR PULSED ELCTRICAL PRINTING AND METHODS OF PRODUCING SAME

A printing ink comprises particles of small size, each having a body portion consisting of a fusible resin and a colorant and electrically conductive material situated substantially entirely on the surface of the body portion. The particles may be formed by a variety of methods. The body portion may have a magnetizable constituent for use in printers with magnetic ink orientation. The particles may be formed by spray drying to produce hollow beads.

LOW VALUE RESISTOR INKS

CONDUCTIVE INK OR PAINT

The invention relates to a deformable, electrically conductive ink or paint. When the ink or paint is applied to a substrate in the form of a particular pattern, this pattern will also be electrically conductive after deformation. The invention also relates to the use of a deformable, electrically conductive ink or paint for providing an electromagnetic shielding layer or a functionally conductive path.

UV-SINTERABLE MOLECULAR INK AND PROCESSING THEREOF USING BROAD SPECTRUM UV LIGHT

A printable molecular ink that is can be treated (e.g. dried or curable) and sintered using broad spectrum ultraviolet light is provided to produce electrically conductive traces on a low temperature substrate, for example PET. The ink includes a silver or copper carboxylate, an organic amine compound, and may include a thermal protecting agent.

HYDROPHYLIC SEMICONDUCTING SINGLE-WALLED CARBON NANOTUBE INKS

A single-walled carbon nanotube composition includes single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes in association with a polymer having one or more oligoether side groups. The oligoether side groups render the composition dispersable in polar organic solvents, for example alkyl carbitols, permitting formulation of ink compositions containing single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes. Such ink compositions may be readily printed using common printing methods, such as inkjet, flexography and gravure printing.

PRINTING OF SECURITY FEATURES

To print a security feature on a medium a method is suggested, comprising inkjet printing an ink including one or more pigments, wherein at least one pigment satisfies the formula (I), and whereas ?? is the density difference between pigment and ink vehicle; g is the earth acceleration constant; d is the pigment particle diameter D90; k B is the Boltzmann constant; and T is the temperature. Inkjet printing of the ink is performed by a flextensional ink jet print head structure and printing is performed to provide one or more security features on the medium.

METHODS AND APPLICATIONS FOR CONDUCTIVE GRAPHENE INKS

The present disclosure provides for an exemplary energy storage device and methods of forming thereof, comprising an exemplary conductive graphene ink on exemplary substrates to form durable, flexible, and facile graphene films and energy storage devices for use with and within a variety of electronics and devices.

SILVER MOLECULAR INK WITH LOW VISCOSITY AND LOW PROCESSING TEMPERATURE

A molecular ink contains: a silver carboxylate; and a polymeric binder comprising a polyester, polyimide, polyether imide or any mixture thereof having functional groups that render the polymeric binder compatible with the organic amine. Such an ink may have higher silver loading, lower viscosity and lower processing temperatures than existing silver inks.

SOLVENT SYSTEMS FOR METALS AND INKS

Solvent systems and dispersions including such solvent systems for use in compositions including metals and inks are provided. In certain examples, t he solvent systems may be used with capped metal particles to provide a disp ersion that may be used to print conductive lines.

MOLECULAR INKS

A flake-less molecular ink suitable for printing (e.g. screen printing) conductive traces on a substrate has 30-60 wt% of a C8-C12 silver carboxylate or 5-75 wt% of bis(2- ethyl-1-hexylamine) copper (II) formate, bis(octylamine) copper (II) formate or tris(octylamine) copper (II) formate, 0.1-10 wt% of a polymeric binder (e.g. ethyl cellulose) and balance of at least one organic solvent. Conductive traces formed with the molecular ink are thinner, have lower resistivity, have greater adhesion to a substrate than metal flake inks, have better print resolution and are up to 8 times less rough than metal flake inks. In addition, the shear force required to remove light emitting diodes bonded to the traces using Loctite 3880 is at least 1.3 times stronger than for commercially available flake-based inks.

THERMOPLASTIC POLYMER COMPOSITES AND METHODS FOR PREPARING, COLLECTING, AND TEMPERING 3D PRINTABLE MATERIALS AND ARTICLES FROM SAME

Electrically conductive thermoplastic polymer composites of particulate thermoplastic polyester polymers, electrically conductive components (carbon nanofibers, graphene nanoplatelets, and/or conductive metal nanoparticulates), processing aids such as plasticizers, thermal stabilizers, etc., as well as nanoscopic particulate fillers such as nanoscopic titanium dioxide, etc., the electrically conductive components being distributed substantially uniformly in the composite to form an electrically conductive network. Also, methods for preparing thermoplastic polymer composites, a system for collecting extruded filaments prepared from thermoplastic polymer composites as a coil of filament, as well as method for tempering articles formed from thermoplastic polymer composites to increase the degree of crystallinity of the thermoplastic polymers and thus their mechanical strength properties.

THIN FILM RESISTIVE BODY AND PRODUCTION METHOD FOR SAME

The purpose of the present invention is to provide a thin film resistive body that has the harmful lead component eliminated from a conductive component and a glass thereof and that, with respect to characteristics such as TCR characteristics, current noise characteristics, voltage withstand characteristics, and having a wide range of resistance values, is provided with equivalent or superior characteristics as compared to conventional thin film resistive bodies. The present invention is a thin film resistive body that comprises a fired object of a resistive composition. The thin film resistive body includes ruthenium conductive particles that include ruthenium dioxide and includes a glass component that does not substantially include a lead component. The thin film resistive body also has resistance values in the range of 100 O/? to 10 MO/? and has a temperature coefficient of resistance of ±100 ppm/? or lower.

SILVER NANOPARTICLE-BASED DISPERSIONS

The invention relates to formulations of dispersions of silver nanoparticles and inks comprising said dispersions. In particular, the invention relates to stable dispersions having a high concentration of silver nanoparticles.

SYSTEM AND METHOD FOR PREPARING CONDUCTIVE STRUCTURES USING RADIATION CURABLE PHASE CHANGE GEL INKS

A system and method for preparing conductive features on a substrate including printing a radiation curable phase change gel masking material in a pattern of fillable channels on a surface of a substrate; curing the radiation curable phase change gel masking material; depositing a conductive material in the fillable channels; annealing the conductive material; and, optionally, removing the radiation curable phase change gel masking material. In embodiments, ultra-violet curable phase change gel is used to digitally prepare a pattern of dams for containing a thick layer of conductive material which is annealed to form an electronic structure.

REFRIGERATED INK JET DEVICE AND METHOD IMPLEMENTING SUCH A DEVICE

Dans le procédé d'impression par jet d'encre selon l'invention, l'encre est éjectée une température inférieure 15 °C, et supérieure ou égale à -20°C. Le dispositif correspondant comprend un système de régulation de la température est choisi parmi: - un système de refroidissement du réservoir d'encre; - un système de refroidissement des buses, avantageusement avec un effet Peltier in situ; une enceinte climatique, avantageusement à température et humidité contrôlées, destinée à recevoir le dispositif d'impression ou uniquement les buses.

METHOD FOR PRINTING MULTI-CHARACTERISTIC INTAGLIO FEATURES

The present invention is related to an intaglio ink composition comprising a first component A) and a second component B), wherein the first component A) is selected from the group consisting of i) about 0.1% to about 40 % by weight of a plurality of first particles having a modal particle diameter between about 1 nm and about 3 µm, said plurality of first particles may be a material having machine readable properties, preferably selected from the group consisting of magnetic properties, UV- or IR-absorbing properties, optically variable properties, light polarization properties, electro-conductive properties, luminescent properties and combinations thereof, ii) about 1% to about 20% by weight of one or more dyes, said one or more dyes may be a material having machine readable properties preferably selected from the group consisting of IR-absorbing properties, luminescent properties and combinations thereof, and iii) combinations thereof, and the second component B) is about 0.1% to about ...

SOLID INK JET INK

A solid ink jet ink composition which is suitable for hot melt applications having a carrier having an electrical resistivity of at least 108 Ohm.cm, insoluble marking particles and a particle charging agent dispersed in it. The marking particle may be a pigment, an insoluble dyestuff, a polymer or mixture thereof. The particle charging agent may be a metal soap, a fatty acid, lecithin, an organic phosphorous compound, a succinimide, a sulphosuccinate, petroleum sulphonates, a soluble or partially soluble resin such as a modified rosin ester, an acrylic, a vinyl, an hydrocarbon or a mixture thereof. The solid ink jet ink composition may further include a viscosity controller. The ink may be capable of being heated to 155 ~C and have at that temperature a viscosity of between 5 to 150 cps.

Verfahren zum Herstellen einer gedruckten Schaltung

ENCRE CONDUCTRICE DE L'ELECTRICITE, SOLIDE A LA TEMPERATURE AMBIANTE.

Novel black disazo dyes for use in ink jet printing give optically dense non-tinged fast and abrasion-resistant black ink-jet printing on coated or uncoated paper or plastics film

Two isomeric types of black disazo dyes each with a naphthol group substituted by SO3H and NH(CH2)2CN groups are claimed. Black disazo dyes of formulae (I) and (II) are claimed. [Image] [Image] A : optionally substituted phenyl or naphthyl group of formula (III); [Image] R1 - R3H, SO3M, COOM, N-substituted carboxamido, optionally substituted 1-18C alkyl, alkoxy or thioalkyl, halogen, OH or CN when A is a substituted phenyl group or (ii) H, SO3M or COOM when A is a substituted naphthyl group; B : optionally substituted phenylene or naphthylene group of formula (IV); [Image] R4 and R5(i) H, SO3M, COOM, optionally substituted 1-18C alkyl, alkoxy or thioalkyl or halogen when B is a substituted phenylene group, or (ii) H or SO3M when B is a substituted naphthylene group; and M : H, metal cation or ammonium cation optionally carrying one or more optionally substituted 1-18C alkyl group An independent claim is included for the preparation of the disazo dyes.

Structure multicouche flexible et méthode de fabrication d'une telle structure.

L'invention concerne une structure multicouche (100), flexible, planaire et comportant au moins un ensemble électronique (140), l'ensemble électronique (140) comprenant une couche électrothermique (130) comportant du graphène et au moins un électrode (145). Le graphène de la couche électrothermique (130) est en contact électrique avec l'électrode (145), la couche électronique (140) étant encapsulée entre un substrat (101) comportant au moins une couche polymérique de substrat (110) et une passivation (102) comportant au moins une couche polymérique de passivation (120). L'invention concerne également un procédé de fabrication d'une telle structure multicouche flexible.

Bande conductrice pour installation de chauffage.

L'invention concerne une bande conductrice (1) recouverte sur chacune de ses faces, d'une couche en PET ou autre polymère isolante. La bande conductrice (1) comporte une première couche de PET ou autre polymère recouverte d'une couche d'encre supraconductrice comportant une encre à base d'au moins 50% de graphène. La couche d'encre conductrice est recouverte d'une couche de colle et d'une deuxième couche en PET ou autre polymère. La couche d'encre conductrice est disposée sous forme de deux bandes rectilignes (2, 3) agencées côte à côte sans se toucher la bande conductrice comportant à une de ses extrémités longitudinales un connecteur agencé pour connecter la bande conductrice à un réseau électrique.

Encre conductrice comportant du graphène.

L'invention concerne une encre conductrice comportant du graphène, l'encre comportant en fraction massique, à l'état liquide, entre 20% et 40% de graphène, de 5% à 40% de résine acrylique et de 10% à 30% de solvants et 2 à 20% de dispersant, et à l'état solide, au moins 50% de graphène caractérisé en ce qu'elle comporte des pigments métalliques.

Procédé de séchage d'une couche d'encre conductrice sur une structure multicouches flexible.

L'invention concerne un procédé de séchage d'une couche d'encre conductrice sur une structure multicouches flexible (100). Le procédé comprend le dépôt d'une couche d'encre de graphène sur une couche polymérique, le séchage de la couche d'encre. Le séchage est fait par un traitement aux rayons infrarouges.

Encre comportant du graphène.

L'invention concerne une encre comportant du graphène, l'encre comportant en fraction massique, à l'état liquide, entre 20% et 40% de graphène, de 5% à 40% de résine acrylique et de 10% à 30% de solvants et 2 à 20% de dispersant, et à l'état solide, au moins 50% de graphène.

DISPERSION PERFORATED GRAFENOVYKh MATERIALS AND APPLICATION OF SAID DISPERSIONS

CARBON GRAPHITE-BASED MATERIAL, SUITABLE AS PRECURSOR GRAPHENE, AND METHOD OF ITS PREPARING

COMPOSITE CONDUCTING MATERIAL, ENERGY STORAGE DEVICE, CONDUCTING DISPERSION, CONDUCTING DEVICE, CONDUCTING COMPOSITE, HEAT-CONDUCTING COMPOSITE AND METHOD OF PRODUCTION OF THE COMPOSITE CONDUCTING MATERIAL

COMPOSITE REINFORCING MATERIAL AND METHOD OF PRODUCING COMPOSITE REINFORCING MATERIAL

COMPOSITE REINFORCEMENT MATERIAL AND METHOD FOR PRODUCTION OF THE COMPOSITE REINFORCEMENT MATERIAL

COMPOSITE LUBRICATING MATERIAL, ENGINE OIL, GREASE AND LUBRICATING OIL, AND METHOD OF PRODUCING THE COMPOSITE LUBRICATING MATERIAL

Continuous Process For Preparing Nanodispersions Using An Ultrasonic Flow-Through Heat Exchanger

Described is a continuous process for preparing nanodispersions including providing a composition comprising a liquid and a solute; heating the composition to dissolution of the solute to form a solution comprising the solute dissolved in the liquid; directing the heated solution through a continuous tube wherein the continuous tube has a first end for receiving the solution, a continuous flow-through passageway disposed in an ultrasonic heat exchanger, and a second end for discharging a product stream; treating the heated solution as the solution passes through the continuous flow-through passageway disposed in the ultrasonic heat exchanger to form the product stream comprising nanometer size particles in the liquid; optionally, collecting the product stream in a product receiving vessel; and optionally, filtering the product stream.

Method of manufacturing anti-counterfeit ink and anti-counterfeit tag and method of manufacturing the same

A method of manufacturing an anti-counterfeit ink is provided. A tungsten oxide nanowire is provided. A hydrophilic treatment is performed to the tungsten oxide nanowire to form a tungsten oxide nanowire with hydrophilicity. The tungsten oxide nanowire with hydrophilicity and an ink are mixed to form an anti-counterfeit ink.

Fabrication of cis or cigs thin film for solar cells using paste or ink

Provided is a method for preparing a copper indium selenide (CIS) or copper indium gallium selenide (CIGS) thin film, including: (1) mixing Cu, In and Ga precursors in a solvent and adding a polymer binder to obtain a paste or ink; (2) coating the obtained CIG precursor paste or ink on a conductive substrate by printing, spin coating or spraying and heat-treating the same under air or oxygen gas atmosphere to remove remaining organic substances and obtain a CIG mixed oxide thin film; (3) heat-treating the obtained CIG mixed oxide thin film under hydrogen or sulfurizing gas atmosphere to obtain a reduced or sulfurized CIG mixed thin film; and (4) heat-treating the obtained reduced or sulfurized CIG mixed thin film under selenium-containing gas atmosphere to obtain a CIGS thin film. Since residual carbon resulting from organic additives, which is the biggest problem in the existing paste coating techniques, can be reduced remarkably, and CIGS crystal size can be improved, the disclosed method can improve efficiency of CIGS solar cells.

Intermediate transfer member

There is disclosed an intermediate transfer member comprising a belt comprising conductive particles dispersed in a thermoplastic polymer. The thermoplastic polymer is selected from the group consisting of polyimide, polyamideimide, polyetherimide, polycarbonate, polysulfone, polyethersulfone, polyphenylsulfone, polyester, polyphenylsulfide and polyamide. The belt has a welded seam. There is an overcoat disposed over the welded seam comprising a material selected from the group consisting of polyphenylsulfone, polysulfone and polyethersulfone. A method of manufacturing the intermediate transfer member is provided.

Method for dispersing graphite-like nanoparticles

A method for dispersing graphite-like nanoparticles is described, wherein the graphite-like nanoparticles are dispersed in a continuous liquid phase while applying energy in the presence of the dispersing agent, using dispersing agents consisting of block copolymers, at least one block of which bears aromatic side chains that are bound via aliphatic chain links to the main chain of the block copolymer.

Conductive ink, method of preparing the same, and method of preparing transparent conductive film

A conductive ink includes carbon nanotubes, ionic liquid, and a solvent, wherein the viscosity of the ink is 0.01 Pa·s to 10000 Pa·s.

Conductor pattern printing ink

There is provided an ink for printing a conductor pattern on a substrate, including platinum particles, wherein 70% or more of the platinum particles have a particle size of 0.05 to 0.5 μm. Even when the viscosity of the printing ink is controlled to a relatively low level for use in ink-jet printing process, it is possible by such particle size distribution control to prevent sedimentation of the platinum particles and excessive shrinkage of the conductor pattern due to sintering of the platinum particles during firing so that the conductor pattern can attain improved conduction characteristics.

Ink for electrochromic device and electrochromic device and method of manufacturing the same

Disclosed is ink for an electrochromic device including an electrochromic material, a metal salt, and a solvent. Disclosed also is an electrochromic device that includes a first electrode and a second electrode facing each other, an auxiliary electrode disposed on the first electrode or the second electrode, an electrochromic layer applied on the auxiliary electrode, and an electrolyte interposed between the first electrode and second electrode, wherein the electrochromic layer is formed using ink including an electrochromic material and a metal salt. Disclosed also is a method of manufacturing the electrochromic device.

Photoelectric conversion device and solar cell using the same

There is provides a photoelectric conversion device material which can be used as an electrode buffer material for a solar cell or the like and can improve durability while maintaining the interaction with an electrode and mobility; a photoelectric conversion device using the photoelectric conversion device material; and a solar cell using the photoelectric conversion device. A photoelectric conversion device containing a buffer layer and an active layer, wherein the buffer layer contains a compound represented by the following general formula (I), the active layer contains an n-type semiconductor, and the n-type semiconductor is a compound having a solubility in toluene of 0.5% by weight or more at 25° C. and having an electron mobility of 1.0×10 −6 cm 2 /Vs or more.

Metallic Nanofiber Ink, Substantially Transparent Conductor, and Fabrication Method

An exemplary printable composition comprises a liquid or gel suspension of a plurality of metallic nanofibers; a first solvent; and a viscosity modifier, resin, or binder. In various embodiments, the metallic nanofibers are between about 10 microns to about 100 microns in length, are between about 10 nm to about 120 nm in diameter, and are typically functionalized with a coating or partial coating of polyvinyl pyrrolidone or a similar compound. An exemplary metallic nanofiber ink which can be printed to produce a substantially transparent conductor comprises a plurality of metallic nanofibers; one or more solvents such as 1-butanol, ethanol, 1-pentanol, n-methylpyrrolidone, cyclohexanone, cyclopentanone, 1-hexanol, acetic acid, cyclohexanol, or mixtures thereof; and a viscosity modifier, resin, or binder such as polyvinyl pyrrolidone or a polyimide, for example.

Technical field and industrial applicability of the invention

The present invention is a solution or colloid of fullerene, SWNTs, or graphene in cyclic terpenes, lactones, terpene-alcohol, fatty-acid alcohols, and lactones following ultrasonication and ultracentrifugation processing, for oil-energy, biological, electrical-thermal applications. The compositions are useful as fuel/oil/grease/gels (synthetic included), oil/fuel/additives/propellants, identification dyes, and heat-transfer fluids. Other functions are phase-change fluids for solar energy power plants, antifreeze, electronic dyes, electrolytic fluid/solvent, electrically-thermally conductive material for electrochemical, dielectric, filler/adhesive for semiconductor, eletro-optical, and liquid crystal substrates/coatings for touch sensitive transmissive or reflective displays. When combined with gelatin the formulations can function as dichroic-optical coatings for thin-films/waveguides/holograms. Such formulations may also be used as photovoltaic paint, electrorheological, thermophoretic-thermodiffusion, electrohydrodynamics, electric propulsion, laser enhancement, plasma jets, and magnetohydrodynamics. Energy use includes high-temperature superconductivity, or hydrogen storage using carbon, alumina, or silica supported Pd, Pt, or Zn catalysts. Biological applications include anticancer, antiviral, antifungal, drug delivery, skin permeable agents, and lubricant use.

Ink composition and method of preparing same

An ink composition includes a particulate pigment, a hydrocarbon vehicle, an organic polyamine and an organic polyacid. A ratio by weight percent of the organic polyamine to the organic polyacid in the hydrocarbon vehicle is sufficient to render a conductivity of the ink composition to equal to or less than 15 nanosiemens per centimeter. The ink composition is prepared by combining the particulate pigment with a composition that includes the hydrocarbon vehicle, the organic polyamine and the organic polyacid. The combination is subjected to conditions under which the particulate pigment becomes dispersed in the composition.

Low cost alternatives to conductive silver-based inks

A method of making an electrically conductive ink is provided. This ink is suitable for use in a photovoltaic device. The method includes the steps of providing solder particles, providing a surface oxide removal material; and formulating an ink with the solder particles and the surface oxide removal material. As a result, a solder is formed. This solder maintains electrical conductivity when used in the ink at a processing temperature less than 250 C.

Thermosetting composition

The invention provides a single liquid oil and method for fabricating the same, and method for forming a thin film. The single liquid oil includes: 60-80 parts by weight of an waterborne acrylic resin; 3-10 parts by weight of a metal pigment; 0.5-3 parts by weight of an auxiliary agent; 5-12 parts by weight of an organic solvent; and 15-25 parts by weight of water.

Particle-Based Precursor Formation Method and Photovoltaic Device Thereof

Techniques for fabrication of kesterite Cu—Zn—Sn—(Se,S) films and improved photovoltaic devices based on these films are provided. In one aspect, a method of forming metal chalcogenide nanoparticles is provided. The method includes the following steps. Water, a source of Zn, a source of Cu, optionally a source of Sn and at least one of a source of S and a source of Se are contacted under conditions sufficient to produce a dispersion of the metal chalcogenide nanoparticles having a Zn chalcogenide distributed within a surface layer thereof. The metal chalcogenide nanoparticles are separated from the dispersion and can subsequently be used to form an ink for deposition of kesterite films.

Preparation method of metal nanobelt

This disclosure relates to a method of preparing a metal nanobelt. According to the method, a metal nanobelt having various applicabilities, for example, capable of easily forming a conductive film or a conductive pattern with excellent conductivity, may be easily prepared by a simple process at room temperature and atmospheric pressure. The method comprises reacting a conductive polymer and a metal salt.

Kit for preparing a conductive pattern

The invention relates to a kit for preparing a conductive element comprising a container A containing a liquid dispersion A′, comprising dispersed nanoparticles having a metallic surface and a ligand capable of binding to said surface; a container B—which may be the same or different as the container A containing the liquid dispersion A′—said container B containing a liquid B′ comprising reducible silver ions or other reducible metal ions; and a further container C containing a liquid C′ comprising a reducing agent for the metal ions of the liquid from container B. 1. Kit for preparing a conductive element comprisinga container A containing a liquid dispersion A′, comprising dispersed nanoparticles having a metallic surface and a ligand capable of binding to said surface;a container B—which may be the same or different as the container A containing the liquid dispersion A′—said container B containing a liquid B′ comprising reducible silver ions or other reducible metal ions; anda further container C containing a liquid C′ comprising a reducing agent for the metal ions of the liquid from container B.2. Kit according to claim 1 , wherein at least 90% of the total volume of the nanoparticles is formed by nanoparticles having at least one dimension of 1-100 nm claim 1 , preferably of 1-30 nm.3. Kit according to or claim 1 , wherein the concentration of nanoparticles in the liquid dispersion is at least 0.1 wt. % claim 1 , based on total weight of the dispersion claim 1 , in particular 0.5-25 wt. % claim 1 , more in particular 2-20 wt. % or 5-15 wt. %.4. Kit according to any one of the preceding claims claim 1 , wherein a least one ligand is present selected from the group of aliphatic amines claim 1 , aromatic amines claim 1 , aliphatic quaternary ammonium compounds claim 1 , carboxylic acids and amino acids claim 1 ,{'sub': 3', '18', '1', '18', '1', '6', '1', '18, 'in particular from the group of aliphatic amines comprising one or more alkyl groups, each alkyl group ...

Hydrochloric acid washing of carbon and graphite for making conductive ink for ultracapacitors

Water-based conductive ink compositions may include acid-washed graphite particles, carbon black particles, at least one polymeric dispersant, at least one acrylic binder, at least one polyvinylpyrrolidone binder, at least one defoamer, and an aqueous carrier. At least 90 wt. % of the acid-washed graphite particles and the carbon black particles, based on the combined weight of the acid-washed graphite particles and the carbon black particles, may have particle sizes less than 10 μm. The water-based conductive ink composition may have a total elemental contaminant level of less than 100 ppm, based on the total weight of the water-based conductive ink composition. Methods for preparing the water-based conductive ink compositions may include preparing a letdown phase from a first premix containing carbon black and a second premix containing acid-washed graphite. The methods may include washing graphite particles in an strong acid such as hydrochloric acid, nitric acid, sulfuric acid, or mixtures thereof.

SOLVENT-BASED AND WATER-BASED CARBON NANOTUBE INKS WITH REMOVABLE ADDITIVES

In accordance with some embodiments, compositions and methods for forming solvent-based and water-based carbon nanotubes inks with removable additives are provided. In some embodiments, an ink composition is provided that includes a plurality of carbon nanotubes, a solvent, and a triazole-based removable additive, where the plurality of carbon nanotubes are dispersed within the solvent and wherein the triazole-based removable additive stabilizes the plurality of carbon nanotubes that are dispersed in the solvent. 1. An ink composition comprising:a plurality of carbon nanotubes;a solvent; andtriazole-based removable additive that stabilizes the plurality of carbon nanotubes in the solvent.2. The ink composition of wherein the plurality of carbon nanotubes comprise one or more of: single-walled carbon nanotubes claim 1 , metallic single-walled carbon nanotubes claim 1 , semiconducting single-walled carbon nanotubes claim 1 , and mixtures thereof.3. The ink composition of claim 1 , wherein the plurality of carbon nanotubes are enriched in one of: metallic single-walled carbon nanotubes and semiconducting single-walled carbon nanotubes.4. The ink composition of claim 1 , wherein the solvent is one of: water claim 1 , N-methylpyrrolidinone (NMP) claim 1 , propylene glycol monomethyl ether acetate (PGMEA) methyl ethyl ketone (MEK) and methyl isopropyl ketone.5. The ink composition of claim 1 , wherein the triazole-based removable additive is selected to act as a dispersal agent and a stabilization agent.7. The ink claim 6 , composition of claim 6 , wherein each of R claim 6 , R claim 6 , and Ris hydrogen.8. The ink composition of claim 6 , wherein at least one of R claim 6 , R claim 6 , and Ris hydrogen.9. The ink composition of claim 6 , wherein at least one of R claim 6 , R claim 6 , and Ris an C-Calkyl group.10. The ink composition of claim 9 , wherein the C-Calkyl group is optionally substituted with at least one substituent selected from one of OH claim 9 , OR claim ...

Apparatus for forming circuit pattern on pcb and method for forming circuit pattern using the same

Disclosed herein is a method for forming a pattern on a printed circuit board (PCB), including: printing a metallic material on a board through a plurality of nozzles; and sintering the metallic material with extra power from power for driving the plurality of nozzles to form a circuit pattern, whereby the circuit pattern can be easily formed.

Systems, Devices, and/or Methods for Preparation of Graphene and Graphene Hybrid Composite Via the Pyrolysis of Milled Solid Carbon Sources

Certain exemplary embodiments can provide a system comprising a hybrid composite. The hybrid composite can comprise tubular carbon and graphene produced via pyrolysis of a milled solid carbon source under an unoxidizing environment. When analyzed via X-ray diffraction, the hybrid composite can generate peaks at two theta values of approximately 26.5 degrees, approximately 42.5 degrees, and/or approximately 54.5 degrees.

Silver Ink Composition and Substrate

There is provided with a silver ink composition which is formed by blending one or more kinds of silver β-ketocarboxylates selected from the group consisting of silver isobutyrylacetate, silver benzoylacetate, silver propionylacetate, silver acetoacetate, silver α-methylacetoacetate, and silver α-ethylacetoacetate, and an aliphatic primary or secondary amine having 1 to 10 carbon atoms, and a substrate with a surface on which a metallic silver layer which is formed by heating the silver ink composition is provided. According to the invention, it is possible to obtain a silver ink composition suitable for forming a metallic silver layer which has superior glossiness and specularity, and a substrate with a surface on which a metallic silver layer is formed using the silver ink composition. 1. A silver ink composition which is formed by blending one or more kinds of silver β-ketocarboxylates selected from the group consisting of silver isobutyrylacetate , silver benzoylacetate , silver propionylacetate , silver acetoacetate , silver α-methylacetoacetate , and silver α-ethylacetoacetate , and an aliphatic primary or secondary amine having 1 to 10 carbon atoms.2. The silver ink composition according to claim 1 ,wherein a solvent which is neither the primary amine nor secondary amine is further blended in.3. The silver ink composition according to claim 1 ,wherein an aliphatic hydrocarbon group bonded to a nitrogen atom of the primary or secondary amine is a linear or branched alkyl group.4. The silver ink composition according to claim 2 ,wherein an aliphatic hydrocarbon group bonded to a nitrogen atom of the primary or secondary amine is a linear or branched alkyl group.5. The silver ink composition according to claim 2 ,wherein the solvent includes a monovalent alcohol having 2 to 5 carbon atoms.6. The silver ink composition according to claim 4 ,wherein the solvent includes a monovalent alcohol having 2 to 5 carbon atoms.7. A substrate with a surface on which a ...

Gallium Ink and Methods Of Making and Using Same

A method for depositing gallium using a gallium ink, comprising, as initial components: a gallium component comprising gallium; a stabilizing component; an additive; and, a liquid carrier; is provided comprising applying the gallium ink on the substrate; heating the applied gallium ink to eliminate the additive and the liquid carrier, depositing gallium on the substrate; and, optionally, annealing the deposited gallium.

BIOCOMPATIBLE CONDUCTIVE INKS

This invention relates to compositions and methods related to biocompatible conductive inks. In a preferred embodiment the inks are printable onto biocompatible substrates and are used in the creation of biocompatible medical devices, in general, the inks comprise a plurality of particles. In one embodiment, the particles have a particle surface and an agent on the particle surface, the agent configured to prevent the particles from agglomerating when the particles are in a solution, the agent also configured to allow adjacent particle surfaces to be in contact when the particles are not in the solution due to an opening in the agent. 167-. (canceled)68. A composition comprising a plurality of electrically conductive nanoparticles having a coating on a surface thereof , wherein the coating prevents the particles from agglomerating when the particles are in solution and allows adjacent particle surfaces to be in direct physical contact when the particles are not in solution.69. The composition of claim 68 , wherein the coating includes a plurality of polymer molecules having different molecular weights and the particles have a particle size of about 1 nm to about 200 nm.70. The composition of claim 68 , wherein the coating includes a first polymer having a first average molecular weight and a second polymer having a second average molecular weight claim 68 , the second average molecular weight being greater than the first average molecular weight.71. The composition of claim 70 , wherein the first and second polymers are polyvinylpyrrolidone.72. The composition of claim 71 , wherein the first polymer claim 71 , PVP10 claim 71 , is polyvinylpyrrolidone having an average molecular weight of 10 claim 71 ,000 and the second polymer claim 71 , PVP40 claim 71 , is polyvinylpyrrolidone having an average molecular weight of 40 claim 71 ,000.73. The composition of claim 72 , wherein the ratio of PVP40:PVP10 is 1:10 to 10:1.74. The composition of claim 72 , wherein the ratio ...

Paste composition for a solar cell electrode, electrode fabricated using the same, and solar cell including the electrode

A paste composition for a solar cell electrode, a solar cell electrode fabricated using the same, and a solar cell including the electrode, the paste composition including a mixture of conductive powders, the mixture of conductive powders including about 30 wt % to about 55 wt % of a first spherical powder having an average particle diameter D50 of 1.5 μm or less; about 3 wt % to about 8 wt % of a flake powder having an average particle diameter D50 of about 2 μm to about 3.5 μm; and a balance of a second spherical powder having an average particle diameter D50 of greater than 1.5 μm; glass fit; and an organic vehicle.

CONDUCTIVE METAL INK

A conductive metal composition comprising 50 to 94 wt % of silver particles having an average particle size in the range of 40 to 450 nm and having an aspect ratio of 3 to 1:1, 1 to 4 wt % of a thermoplastic polyester resin having a weight-average molar mass of 10000 to 150000, and 4 to 49 wt % of a diluent for the thermoplastic polyester resin. 1. A conductive metal composition comprising 50 to 94 wt % of silver particles having an average particle size in the range of 40 to 450 nm and having an aspect ratio of 3 to 1:1 , 1 to 4 wt % of a thermoplastic polyester resin having a weight-average molar mass of 10000 to 150000 , and 4 to 49 wt % of a diluent for the thermoplastic polyester resin ,2. The conductive metal composition of claim 1 , wherein the silver particles are 60 to 90 wt % of the composition.3. The conductive metal composition of claim 1 , wherein the thermoplastic polyester resin is 2 to 3.5 wt % of the composition.4. The conductive metal composition of claim 1 , wherein the diluent is 7 to 38 wt % of the composition.5. The conductive metal composition of comprising one or more additives.6. The conductive metal composition of consisting of 50 to 94 wt % of silver particles having an average particle size in the range of 40 to 450 nm and having an aspect ratio of 3 to 1:1 claim 1 , 1 to 4 wt % of a thermoplastic polyester resin having a weight-average molar mass of 10000 to 150000 claim 1 , 4 to 49 wt % of a diluent for the thermoplastic polyester resin claim 1 , and 0 to <1 wt % of at least one additive claim 1 , wherein the sum of the wt % totals 100 wt %.7. The conductive metal composition of claim 1 , wherein the thermoplastic polyester resin is a linear polyester resin.8. A process for the production of a conductive metallization on a substrate claim 1 , comprising the steps:(1) providing a substrate,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(2) applying the conductive metal composition of on the substrate, and'}(3) drying the applied ...

Method for manufacturing organic semiconductor thin film and monocryastalline organic semiconductor thin film

The first object of the present invention is to provide a method for manufacturing a uniform organic semiconductor thin film consisting of single organic molecule with extremely few pinholes and of which both quality and thickness are uniform when the organic semiconductor thin film is manufactured by printing process. The second object of the present invention is to manufacture a monocrystalline organic semiconductor of which almost the entire region consists of a single monocrystal, by printing process. The uniform organic semiconductor thin film is manufactured by steps of: preparing a first ink obtained by dissolving a high concentration of the organic semiconductor in an organic solvent with high affinity for the organic semiconductor, and a second ink consisting of an organic solvent having a low affinity for the organic semiconductor; mixing the first and second inks on a substrate by simultaneously or alternately discharging the first and second inks from each ink head. Furthermore, a shape on which a seed crystal is generated with highly efficiency in one portion of a region storing the ink and a monocrystal is grown over the almost entire region storing the ink from the shape as a starting point.

LIQUID COMPOSITION, AND RESISTOR FILM, RESISTOR ELEMENT AND CIRCUIT BOARD USING SAME

There is provided a liquid composition that can form a resistor exhibiting a stable resistance value. One mode of the liquid composition of the invention is a liquid composition comprising (a) an epoxy resin, (b) carbon black particles, (c) carbon nanotubes and (d) a solvent with a vapor pressure of less than 1.34×10Pa at 25° C. 1. A liquid composition comprising(a) an epoxy resin,(b) carbon black particles,(c) carbon nanotubes and{'sup': '3', '(d) a solvent with a vapor pressure of less than 1.34×10Pa at 25° C.'}2. The liquid composition according to claim 1 , wherein the mean dispersion particle size of the (b) carbon black particles is no greater than 500 nm claim 1 , and the maximum dispersion particle size is no greater than 2 μm.3. The liquid composition according to claim 1 , wherein the outer diameter of the (c) carbon nanotubes is 3 nm or greater and the length is 100 nm or greater.4. The liquid composition according to claim 1 , wherein the content of the (b) carbon black particles is 10 to 80 vol % claim 1 , based on the total solid volume of the liquid composition.5. The liquid composition according to claim 1 , wherein the content of the (c) carbon nanotubes is 0.1 to 20 parts by mass with respect to 100 parts by solid mass of the (b) carbon black particles.6. The liquid composition according to claim 1 , wherein the viscosity is no greater than 50 mPa·s at 25° C.7. The liquid composition according to claim 1 , wherein the (a) epoxy resin is a glycidyl etherified condensation product of a phenol and an aldehyde.8. The liquid composition according to claim 1 , which further comprises (e) a curing agent claim 1 , the (e) curing agent comprising the condensation product of a phenol and an aldehyde.9. A liquid composition comprising(a1) a diol with a molecular weight of 40 or greater and less than 1000 and/or a resin containing the diol as a backbone, and(b) carbon black particles.10. The liquid composition according to claim 9 , wherein the (a1) diol with ...

Metallic lep inks and associated methods

The present disclosure provides metallic LEP inks and associated methods. In one example, a method of manufacturing a metallic LEP ink having reduced impurities can comprising adding a metallic pigment slurry and a resin to a stainless steel attritor, adding ceramic grinding beads to the attritor, and grinding the metallic pigment and the resin to form the metallic LEP ink.

CONDUCTING FORMULATION

The invention relates to novel formulations comprising an organic semiconductor (OSC) and a conductive additive, to their use as conducting inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells, to methods for preparing OE devices using the novel formulations, and to OE devices and OPV cells prepared from such methods and formulations. 1. Formulation comprising one or more organic semiconducting (OSC) compounds , one or more organic solvents , and one or more additives that increase the conductivity of the formulation (conductive additives) , wherein said conductive additives are volatile and/or are not capable of chemically reacting with the OSC compounds and/or are present in a total concentration of less than 0.5% by weight.2. Formulation according to claim 1 , characterized in that the conductive additives are selected from the group consisting of non-oxidising organic salts claim 1 , volatile organic salts claim 1 , alcohols claim 1 , volatile carboxylic acids and organic amines.3. Formulation according to claim 2 , characterized in that the conductive additives are selected from the group consisting of quaternary ammonium salts claim 2 , phosphonium salts claim 2 , imidazolium salts and other heterocyclic salts claim 2 , wherein the anion is selected from the group consisting of halides claim 2 , sulfates claim 2 , acetate claim 2 , formate claim 2 , tetrafluoroborate claim 2 , hexafluorophosphate claim 2 , methanesulfonate claim 2 , triflate (trifluoromethanesulfonate) and bis(trifluoromethylsulfonyl)imide.4. Formulation according to claim 2 , characterized in that the conductive additives are selected from the group consisting of isopropylalcohol claim 2 , iso-butanol claim 2 , hexanol claim 2 , methanol claim 2 , ethanol claim 2 , formic acid claim 2 , acetic acid claim 2 , di- or trifluoroacetic acid claim 2 , and primary or secondary alkyl amines.5. Formulation according to one or more of to claim 2 , ...

AQUEOUS INK FOR PRODUCING HIGH-TEMPERATURE ELECTROCHEMICAL CELL ELECTRODES

The invention aims at an aqueous ink for high-temperature electrochemical cell electrodes and/or electrolyte containing particles of at least one mineral filler, at least one binder, and at least one dispersant. It also concerns the electrode and the electrolyte using such an ink. 1. An aqueous ink for high-temperature electrochemical cell electrodes and/or electrolyte , said ink comprising:particles of at least one mineral filler,at least one binder, andat least one dispersant selected from the group comprising hydrochloric acid, sulfuric acid, or polyelectrodes such as ammonium citrate and ammonium carboxylates.2. The aqueous ink of claim 1 , wherein the mineral filler is selected from the group comprising oxides of transition metals and of rare earths claim 1 , and mixtures thereof claim 1 , such as LSM (lanthanum strontium manganite) claim 1 , YSZ (yttria-stabilized zirconia) claim 1 , NiO (nickel oxide) claim 1 , CYO (yttrium-substituted cerium oxide) claim 1 , CGO (gadolinium-substituted cerium oxide) claim 1 , the LSM/YSM mixture claim 1 , the YSZ/NiO mixture claim 1 , and mixtures thereof.3. The aqueous ink of claim 1 , wherein the binder is selected from the group comprising PVA (polyvinyl alcohol) claim 1 , PEG (polyethylene glycol) claim 1 , polyacrylates claim 1 , celluloses claim 1 , generally all polymers soluble in water claim 1 , and the mixtures thereof claim 1 , more advantageously claim 1 , the binder is a PVA/PEG mixture.4. The aqueous ink of claim 1 , wherein 50% of the mineral filler particles have a diameter smaller than 10 micrometers and 90% of said particles have a diameter smaller than 50 micrometers claim 1 , more advantageously claim 1 , 50% of the particles have a diameter smaller than 1 micrometer and 90% of said particles have a diameter smaller than 2 micrometers.5. The aqueous ink of claim 1 , wherein the ink viscosity ranges between 1 and 60 Pa·s at the printing shearing.6. The aqueous ink of claim 1 , wherein the mineral filler ...

Method of producing metal nanoparticles

Provided is a method of producing metal nanoparticles. Preferably, the method of producing metal nanoparticles includes preparing a reaction solution by adding a reducing agent solution to a dispersing agent solution, and simultaneously putting a metal precursor solution and the reducing agent solution into the reaction solution and mixing the resulting mixture. Large amounts of metal nanoparticle powder having a uniform particle diameter may be easily prepared.

PHTHALOCYANINE/ POLYMER NANOCOMPOSITE INK FOR OPTOELECTONICS

Aspects describe phthalocyanine (Pc) molecules with peripheral modifications of its core (e.g., alkyl substituents) so that the Pc can self assemble, for example under vacuum sublimation, and form nanocrystals of a size on the order of nanometers. The Pc nanocrystals can be prepared, for example, by a simple vapor deposition method. Further aspects describe a polymer composite ink based Pc nanocrystals in a polymer matrix, which can be formed, for example, under a solution process approach. For example, the polymer matrix can be a different p-type conjugated polymer from the Pc nanocrystals, which are inherently p-type semi-conductors. This can increase the film formation ability and charge transport properties of the polymer composite ink. The polymer composite ink can be utilized, for example, in the fabrication of optoelectronic devices, such as photovoltaic devices and/or thin film transistors. The optoelectronic devices can exhibit high power conversion efficiency (PCE), for example 6-7 percent. 1. A method , comprising steps of:synthesizing phthalocyanine (Pc) from a mixture of 4-alkylphthalonitrile and metal (II) salt;growing Pc nanocrystals, wherein the Pc nanocrystals have a size on the order of nanometers; andcombining the Pc nanocrystals with at least one conjugated polymer into a thin film.2. The method of claim 1 , wherein the step of synthesizing further comprises steps of:heating the mixture of 4-alkylphthalonitrile and metal (II) salt in quinoline;cleaning a precipitate from the mixture; anddrying the precipitate.3. The method of claim 2 , wherein the step of heating further comprises heating the mixture under a nitrogen atmosphere.4. The method of or claim 2 , wherein the step of cleaning further comprises cleaning the precipitate by an ethanol solution and by a sodium hydroxide solution.54. The method of any one of - claims 2 , wherein the step of cleaning further comprises cleaning the precipitate claims 2 , of a blue color claims 2 , until a ...

Ink

Silver carbonate decomposes to form silver metal by a temperature of 280 degrees Celsius. Its use in inkjet ink allows the low-cost production of conductive metallic inks. The silver metal layer could be further processed to enhance silver decorative properties and in particular light reflective properties

Silicon/germanium nanoparticle inks, laser pyrolysis reactors for the synthesis of nanoparticles and associated methods

Laser pyrolysis reactor designs and corresponding reactant inlet nozzles are described to provide desirable particle quenching that is particularly suitable for the synthesis of elemental silicon particles. In particular, the nozzles can have a design to encourage nucleation and quenching with inert gas based on a significant flow of inert gas surrounding the reactant precursor flow and with a large inert entrainment flow effectively surrounding the reactant precursor and quench gas flows. Improved silicon nanoparticle inks are described that has silicon nanoparticles without any surface modification with organic compounds. The silicon ink properties can be engineered for particular printing applications, such as inkjet printing, gravure printing or screen printing. Appropriate processing methods are described to provide flexibility for ink designs without surface modifying the silicon nanoparticles.

SELF-REDUCED METAL COMPLEX INKS SOLUBLE IN POLAR PROTIC SOLVENTS AND IMPROVED CURING METHODS

Metal complexes adapted to form metallic conductive films upon deposition and treatment. The complexes can have a high concentration of metal and can be soluble in polar protic solvent including ethanol and water. The metal complex can be a covalent complex and can comprise a first and second ligand. Low temperature treatment can be used to convert the complex to a metal. The metallic conductive film can have low resistivity and work function close to pure metal. Coinage metals can be used (e.g., Ag). The ligands can be dative bonding ligands including amines and carboxylate ligands. The ligands can be adapted to volatilize well. High yields of metal can be achieve with high conductivity. 1. A composition , comprising:at least one metal complex comprising at least one metal and at least one first ligand and one second ligand, wherein the first ligand is a sigma donor to the metal and volatilizes upon heating the metal complex, wherein the second ligand is different from the first ligand and also volatilizes upon heating the metal complex; andwherein the metal complex has a solubility at 25° C. of at least 100 mg/ml in at least one polar protic solvent.2. The composition of claim 1 , wherein the metal complex has a solubility at 25° C. of at least 250 mg/ml in at least one polar protic solvent.3. The composition of claim 1 , wherein the metal complex has a solubility at 25° C. of at least 500 mg/ml in at least one polar protic solvent.4. The composition of claim 1 , further comprising at least one polar protic solvent.5. The composition of claim 1 , further comprising at least one polar protic solvent claim 1 , and wherein the polar protic solvent is water claim 1 , ethanol claim 1 , amine or PEG.6. The composition of claim 1 , further comprising at least two polar protic solvents mixed together claim 1 , wherein one of the polar protic solvents is PEG.7. The composition of claim 1 , wherein the metal complex comprises only one metal.8. The composition of claim 1 , ...

INK CONTAINING ANTHRAQUINONE BASED DYE, DYE USED IN THE INK, AND DISPLAY

An object of the present invention is to provide an anthraquinone based dye having excellent solubility in a low polar solvent and having high absorption coefficient and high light resistance and an ink containing the same. The present invention relates to an ink comprising a specific anthraquinone based dye. 2. The ink according to claim 1 , wherein the low polar solvent has a specific dielectric constant of not more than 2.2.3. The ink according to claim 1 , wherein the low polar solvent includes one or more members selected from the group consisting of hydrocarbon based solvents claim 1 , fluorocarbon based solvents claim 1 , and silicone oils.5. The ink according to claim 1 , wherein in the anthraquinone based dye claim 1 , when the dye is dissolved in n-decane claim 1 , an absorption maximum wavelength in a wavelength region of from 350 to 750 nm falls within the range of from 600 to 720 nm claim 1 , and a product ∈C of a molar absorption coefficient ∈ (L molecm) at the absorption maximum wavelength and a concentration C (mole L) of a saturated solution with the same solvent at room temperature (25° C.) is 500 (cm) or more.6. The ink according to claim 1 , which is for a display or optical shutter.7. A display claim 1 , which comprises a display portion containing the ink according to claim 1 , and which displays an image by controlling voltage impression in the display portion.8. The display according to claim 7 , wherein the display portion contains electrophoretic particles or an aqueous medium.9. The display according to claim 7 , wherein the image is displayed by changing a colored state by the voltage impression.10. The display according to claim 7 , wherein the image is displayed by an electrowetting system or an electrophoresis system.11. An electronic paper comprising the display according to .13. The anthraquinone based dye according to claim 12 , wherein the low polar solvent has a specific dielectric constant of not more than 2.2.14. The ...

LOW TEMPERATURE SINTERING CONDUCTIVE METAL FILM AND PREPARATION METHOD THEREOF

A low-temperature sintered conductive metal ink and a method for preparing the same are provided. To be specific, the preparation method includes the following steps of: preparing the conductive film or pattern by printing a conductive metal ink including metal nanocolloids, metal salts, and polymers reacted with the metal salts and preparing the metal nanocolloids (step ); preparing a mixture by mixing the metal salts and polymers (step ); preparing the metal ink by stirring the metal nanocolloids and the metal salt/polymer mixture prepared at steps and (step ); printing the metal ink prepared at step (step ); and drying and thermally treating a product printed at step (step ). 1. A conductive metal film or pattern prepared by printing a conductive metal ink , the conductive metal ink comprising metal nanocolloids , metal salts , and polymers reacted with the metal salts.2. The conductive metal film or pattern as set forth in claim 1 , wherein the metal nanocolloids comprise conductive metal particles of copper or aluminum.3. The conductive metal film or pattern as set forth in claim 2 , wherein a size of the conductive metal particles is in a range of 1 to 500 nm.4. The conductive metal film or pattern as set forth in claim 1 , wherein a metal content of the metal nanocolloids is in a range of 0.1 to 80 wt %.5. The conductive metal film or pattern as set forth in claim 1 , wherein the metal salts are selected from the group consisting of metal organics claim 1 , metal nitrides claim 1 , and metal chlorides.6. The conductive metal film or pattern as set forth in claim 1 , wherein the polymers reacted with the metal salts are selected from the group consisting of polyvinyl pyrrolidone claim 1 , ethylene diamine claim 1 , and diethyleneamine.7. The conductive metal film or pattern as set forth in claim 1 , wherein the conductive metal ink further comprises a viscosity controlling agent.8. The conductive metal film or pattern as set forth in claim 1 , wherein the ...

CZTSe NANOINK COMPOSITION AND SPUTTERING TARGET THEREOF

The present invention provides a Cu 2 ZnSnSe 4 (CZTSe) nanoink composition and a CZTSe sputtering target thereof for use in manufacturing an absorption layer of a thin-film solar cell. The CZTSe sputtering target includes a binary multiphase mixture and/or a ternary multiphase mixture. The CZTSe nanoink composition not only includes the binary multiphase mixture and/or ternary multiphase mixture but also includes a chelating agent. Any two of Cu, Zn, Sn, and Se are combined by the chelating agent to form the binary multiphase mixture. Alternatively, any three of Cu, Zn, Sn, and Se are combined by the chelating agent to form the ternary multiphase mixture. By manufacturing the absorption layer of the thin-film solar cell in the aforesaid manner, the absorption layer has a perfect quaternary monophase structure but does not manifest any impure phase detrimental to photoelectric conversion efficiency.

METAL NANOPARTICLE PASTE, ELECTRONIC COMPONENT ASSEMBLY USING METAL NANOPARTICLE PASTE, LED MODULE, AND METHOD FOR FORMING CIRCUIT FOR PRINTED WIRING BOARD

Disclosed is a metal nanoparticle paste that uses the low-temperature sintering characteristics of metal nanoparticles to easily obtain a metal bond with excellent conductivity and mechanical strength, and which can form a wiring pattern with excellent conductivity. The metal nanoparticle paste is characterized by containing (A) metal nanoparticles, (B) a protective film that coats the surface of the metal nanoparticles, (C) a carboxylic acid, and (D) a dispersion medium. 1. A metal nanoparticle paste , comprising (A) metal nanoparticles , (B) a protective film that coats the surface of said metal nanoparticles , (C) a carboxylic acid , and (D) a dispersion medium.2. The metal nanoparticle paste according to claim 1 , wherein the metal nanoparticles (A) have a mean primary particle diameter of 1 to 100 nm.3. The metal nanoparticle paste according to or claim 1 , wherein the metal nanoparticles (A) are particles of at least one metal selected from the group consisting of gold claim 1 , silver claim 1 , copper claim 1 , platinum claim 1 , palladium claim 1 , nickel claim 1 , bismuth claim 1 , lead claim 1 , indium claim 1 , tin claim 1 , zinc claim 1 , titanium claim 1 , aluminum and antimony.4. The metal nanoparticle paste according to or claim 1 , wherein the metal nanoparticles (A) are particles of an alloy of at least one metal selected from the group consisting of gold claim 1 , silver claim 1 , copper claim 1 , platinum claim 1 , palladium claim 1 , nickel claim 1 , bismuth claim 1 , lead claim 1 , indium claim 1 , tin claim 1 , zinc claim 1 , titanium claim 1 , aluminum and antimony.5. The metal nanoparticle paste according to claim 1 , wherein the metal nanoparticles (A) are particles of tin having a mean primary particle diameter of 1 to 50 nm.6. The metal nanoparticle paste according to claim 1 , wherein the protective film (B) that coats the surface of metal nanoparticles claim 1 , contains an organic compound having a group containing an oxygen atom claim ...

STABLE DISPERSIONS OF MONOCRYSTALLINE NANOMETRIC SILVER PARTICLES

A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight. 2. The dispersion of claim 1 , wherein said concentration of said dispersant within the dispersion is at most 15.3. The dispersion of claim 1 , wherein a viscosity of the dispersion claim 1 , at 25° C. claim 1 , is less than 2000 cP.4. The dispersion of claim 1 , wherein said average secondary particle size is at least 40 nanometers.5. The dispersion of claim 1 , wherein at least 70% of said nanometric silver particles are said single-crystal silver particles.6. The dispersion of claim 1 , wherein said average secondary particle size is at most 250 nanometers.7. (canceled)8. The dispersion of claim 1 , wherein said dispersant includes PVP claim 1 , and wherein an average molecular weight of said PVP is at least 8 claim 1 ,000 gram/mole.9. The dispersion of claim 1 , wherein said first solvent includes water.10. The dispersion of claim 1 , wherein said first solvent includes an alcohol.11. The dispersion of claim 1 , wherein a concentration of water within the dispersion is less than 25% claim 1 , by weight.1213-. (canceled)14. The dispersion of claim 1 , wherein said first solvent includes at least one volatile organic solvent and at least one non-volatile organic solvent.15. The dispersion of claim 1 , wherein said first solvent includes water and at least one volatile organic ...

Methods To Control Electrical Resistivity In Filler-Polymer Compositions And Products Related Thereto

Methods to control electrical resistivity in filler-polymer compositions are described using dual phase fillers. Polymer compositions containing the dual phase fillers are further described.

Conductive metal ink composition, and method for preparing a conductive pattern

The present invention relates to a conductive metal ink composition, comprising: a first metal powder having conductivity; a non-aqueous solvent; an attachment improving agent; and a polymer coating property improving agent, and a method for forming a conductive pattern by using the conductive metal ink composition, and the conductive metal ink composition can be appropriately applied to a roll printing process and a conductive pattern exhibiting more improved conductivity and excellent attachment ability with respect to a board can be formed.

MULTIFUNCTIONAL ALCOHOL DISPERSIONS OF CARBON NANOTUBES

New carbon nanotube (CNT) compositions and methods of using those compositions are provided. Raw carbon nanotubes are mechanically dispersed via milling into multifunctional alcohols and mixtures of multifunctional alcohols and solvents to form pastes or dispersions that are viscous enough to be printed using standard means such as screen printing. These pastes or dispersions are stable in both dilute and concentrated solution. The invention allows films to be formed on substrates (e.g., plastics, glass, metals, ceramics). 1. A dispersion comprising carbon nanotubes mixed with a multifunctional alcohol , said dispersion comprising less than about 0.5% by weight surfactants , based upon the total weight of the dispersion taken as 100% by weight.2. The dispersion of claim 1 , wherein said multifunctional alcohol is a C-Cmultifunctional alcohol.3. The dispersion of claim 1 , wherein said multifunctional alcohol is selected from the group consisting of diols and triols.4. The dispersion of claim 1 , wherein said multifunctional alcohol is selected from the group consisting of 2-methyl-1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,2-propanediol claim 1 , 1 claim 1 ,3-propanediol claim 1 , glycerol claim 1 , and ethylene glycol.5. The dispersion of claim 1 , having a carbon nanotube concentration of from about 0.01% to about 5% by weight claim 1 , based upon the total weight of the dispersion taken as 100% by weight.6. The dispersion of claim 1 , having a multifunctional alcohol concentration of from about 90% to about 99.999% by weight claim 1 , based upon the total weight of the dispersion taken as 100% by weight.7. The dispersion of claim 1 , further comprising a solvent other than a multifunctional alcohol in said dispersion.8. The dispersion of claim 1 , said dispersion being formable into a film having a sheet resistance of less than about 7 claim 1 ,000 Ω/sq.9. The dispersion of claim 1 , said carbon nanotubes being noncovalently bonded to compounds comprising ...

LOW-HAZE TRANSPARENT CONDUCTORS

This disclosure is related to low-haze transparent conductors, ink compositions and method for making the same. 1. A method comprising: growing metal nanowires from a reaction solution including a metal salt and a reducing agent , wherein the growing includes:reacting a first portion of the metal salt and the reducing agent in the reaction solution for a first period of time, andgradually adding a second portion of the metal salt over a second period of time while maintaining a substantially constant concentration of less than 0.1% w/w of the metal salt in the reaction solution.2. The method of wherein the metal nanowires are silver nanowires claim 1 , the metal salt is silver nitrate claim 1 , and the reducing agent is propylene glycol or ethylene glycol.3. The method of wherein reacting a first half of the metal salt and the reducing agent in the reaction solution for the first period of time including:adding a fraction of the first portion of the metal salt with an ammonium salt; andadding the remainder of the first portion of the metal salt.4. The method of wherein the ammonium salt is tetra-n-butylammonium chloride (TBAC).5. The method of wherein the fraction of the first portion of the metal salt represents about 0.6% of the total metal salt.6. The method of wherein the fraction of the first portion of the metal salt represents about 0.001% to 0.025% of metal ions in the reaction solution.7. The method of wherein the first portion and the second portion of the metal salt are about equal amount.8. The method of wherein the reaction solution further comprises polyvinylpyrrolidone.9. The method of further comprising claim 1 , after adding the second portion of the metal salt over the second period of time claim 1 ,allowing the reaction solution to run; andarresting the growth of the metal nanowires by quenching the reaction solution with water. This application is a divisional of U.S. patent application Ser. No. 13/007,305, filed Jan. 14, 2011, now pending, which ...

INK COMPOSITION FOR PRINTING, AND PRINTING METHOD USING SAME

Provided are an ink composition for a printing method, in which the ink composition is applied to a printing blanket, a portion of a coating film is removed using a cliche, and then the coating film remaining on the printing blanket is transferred to an object to be printed, in which the ink composition before printing satisfies the following [Equation 1] [INK≦BNKγc] and the ink coating film on the printing blanket satisfies the following [Equation 2] [BNKγc≦INK≦SUB] immediately before the removal of the portion of the ink coating film from the printing blanket using the cliche, and a printing method using the same. 1. An ink composition for a printing method ,wherein the ink composition is applied to a printing blanket, a portion of a coating film is removed using a cliche, and then the coating film remaining on the printing blanket is transferred to an object to be printed, [{'br': None, 'i': INK', '≦BNKγc, 'sub': 'ST', '[Equation 1]'}, {'br': None, 'i': BNKγc≦INK', '≦SUB, 'sub': SE', 'SE, '[Equation 2]'}, 'in Equations 1 and 2,', {'sub': 'ST', 'INKis an initial surface tension of the ink composition,'}, 'BNKγc is a critical surface tension of wetting of the printing blanket,', {'sub': 'SE', 'INKis a surface energy of the ink coating film on the printing blanket, and'}, {'sub': 'SE', 'SUBis a surface energy of the object to be printed.'}], 'wherein the ink composition before printing satisfies the following [Equation 1] and the ink printing film on the printing blanket satisfies the following [Equation 2] immediately before the removal of the portion of the ink coating film from the printing blanket using the cliche2. The ink composition of claim 1 , wherein a difference between INKand BNKγc in Equation 1 is 2 mN/m or more.3. The ink composition of claim 1 , wherein a difference between BNKγc and INKin Equation 2 is 2 mN/m or more.4. The ink composition of claim 1 , wherein a difference between INKand SUBin Equation 2 is 2 mN/m or more.5. The ink composition of ...

Organic Semiconductor Composition

A composition according to the present invention contains at least a triarylamine compound and at least one bicyclic compound selected from the group consisting of those of the general formulas [1] to [4], wherein the triaryl amine compound is dissolved in the at least one bicyclic compound where R 1 each independently represents a hydrogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group, a fluorine atom or a chlorine atom; A, B, C and F each independently represents either —CR 2 2 —, —O— or —NR 2 —; D and E each independently represents either —CR 2 ═ or —N═; G represents —CR 2 2 —; H represents —CR 2 ═; and R 2 represents a hydrogen atom, a methyl group or a halogen atom.

PHASE CHANGE INK COMPOSITIONS AND CONDUCTIVE PATTERNS FORMED THEREFROM

A phase change ink composition includes metal nanoparticles, a dispersing agent allowing the metal nanoparticles to be stably dispersed and arranged within the phase change ink composition, and a solvent in which the metal nanoparticles and the dispersing agent are mixed and which comprises at least two sulfur-containing compounds, wherein the phase change ink composition has a melting temperature ranging from 60° C. to 90° C. 1. A phase change ink composition comprising:metal nanoparticles;a dispersing agent; anda solvent which comprises at least two sulfur-containing compounds,wherein the phase change ink composition has a melting temperature ranging from 60° C. to 90° C.2. The phase change ink composition of claim 1 , wherein the phase change ink composition comprises:20 parts by weight to 70 parts by weight of the metal nanoparticles;1 part by weight to 10 parts by weight of the dispersing agent; and20 parts by weight to 79 parts by weight of the solvent.3. The phase change ink composition of claim 1 , wherein the surfaces of the metal nanoparticles are capped with the dispersing agent.4. The phase change ink composition of claim 1 , wherein the sulfur-containing compounds are sulfone group-containing compounds.5. The phase change ink composition of claim 1 , wherein the solvent is a mixture of a first solvent having a melting point ranging from 80° C. to 200° C. and a second solvent having a melting point ranging from 0 to 40° C.6. The phase change ink composition of claim 5 , wherein the first solvent is dimethyl sulfone and the second solvent is sulfolane.7. The phase change ink composition of claim 5 , wherein the solvent is configured such that the mixing ratio of the first solvent to the second solvent is 1:0.75 to 1:1.5.8. The phase change ink composition of claim 1 , wherein the metal nanoparticles comprises at least one selected from the group consisting of gold (Au) claim 1 , silver (Ag) claim 1 , copper (Cu) claim 1 , nickel (Ni) claim 1 , zinc (Zn) ...

Method and system for preparing shaped particles

The present technology provides an illustrative method for preparing shaped nanoparticles. The method includes passing a metal vapor to a shaping apparatus and condensing the metal vapor within the shaping apparatus to form selectively-shaped metal nanoparticles. The method may also include forming the metal vapor by heating a bulk metal. In an embodiment, the shaping apparatus comprises a mesh separator that include a plurality of nano-sized, square-shaped pores or a plurality of shaping cups that includes a plurality of recesses.

Hole transport compositions and related devices and methods (ii)

A composition comprising: at least one compound comprising a hole transporting core, wherein the core is covalently bonded to a first arylamine group and also covalently bonded to a second arylamine group different from the first, and wherein the compound is covalently bonded to at least one intractability group, wherein the intractability group is covalently bonded to the hole transporting core, the first arylamine group, the second arylamine group, or a combination thereof, and wherein the compound has a molecular weight of about 5,000 g/mole or less. Blended mixtures of arylamine compounds, including fluorene core compounds, can provide good film formation and stability when coated onto hole injection layers. Solution processing of OLEDs is a particularly important application.

CONDUCTIVE INK COMPOSITION, PRINTING METHOD USING THE SAME AND CONDUCTIVE PATTERN MANUFACTURED BY THE SAME (As Amended)

The present invention relates to a conductive ink composition including metal particles, a first solvent having a vapor pressure of 3 torr or less at 25° C., a second solvent having a vapor pressure of more than 3 torr at 25° C., and metal carboxylate, a printing method using the same, and a conductive pattern manufactured by using the same.

PURIFICATION OF METAL NANOSTRUCTURES FOR IMPROVED HAZE IN TRANSPARENT CONDUCTORS MADE FROM THE SAME

Provided are a method of isolating and purifying metal nanowires from a crude and complex reaction mixture that includes relatively high aspect ratio nanostructures as well as nanostructures of low aspect ratio shapes, and conductive films made of the purified nanostructures. 1. A process of isolating metal nanowires , comprising:(a) providing a crude mixture of nanostructures that includes nanostructures having an aspect ratio of 10 or more and nanostructures having an aspect ratio of no more than 10, the crude mixture being suspended in a polyol solvent;(b) providing a first diluted crude mixture by combining water with the crude mixture;(c) providing a combined ketone mixture by combining the diluted crude mixture with a ketone;(d) providing a precipitate comprising nanostructures having an aspect ratio of 10 or more, and a supernatant comprising at least a portion of the nanostructures having aspect ratios of no more than 10, providing the precipitate including allowing sedimentation of the combined ketone mixture; and(e) removing from the precipitate the supernatant comprising the at least a portion of the nanostructures having aspect ratios of no more than 10.2. The process of claim 1 , further comprising:(f) re-suspending the precipitate of (d) in water to provide a second diluted crude mixture; and(g) repeating steps (c)-(f).3. The process of wherein the nanostructures having an aspect ratio of 10 or more are silver nanowires.4. The process of wherein the polyol solvent is ethylene glycol claim 2 , 1 claim 2 ,2-propylene glycol claim 2 , 1 claim 2 ,3-propylene glycol claim 2 , or glycerol.5. The process of wherein the polyol solvent is glycerol.6. The process of wherein the ketone is acetone claim 2 , methyl ethyl ketone (MEK) claim 2 , 2-pentanone claim 2 , or 3-pentanone.7. The process of wherein the ketone is acetone.8. An ink composition comprising:a plurality of nanostructures having aspect ratios of 10 or more; anda liquid carrier; (a) providing a ...

Conductive Ink Composition for Offset or Reverse-Offset Printing

There is provided a conductive ink composition for offset or reverse-offset printing, the conductive ink composition including a high boiling point solvent having a boiling point of 180 to 250° C. and a dispersion assistant solvent having a boiling point of 50 to 150° C., together with metal particles and tert-butyl alcohol as a main solvent. 1. A conductive ink composition for offset or reverse-offset printing , the conductive ink composition comprising a high boiling point solvent having a boiling point of 180 to 250° C. and a dispersion assistant solvent having a boiling point of 50 to 150° C. , together with metal particles and tert-butyl alcohol as a main solvent.2. The conductive ink composition of claim 1 , wherein the dispersion assistant solvent has a solubility parameter of 9 to 11.3. The conductive ink composition of claim 1 , wherein it is printed by a polydimethylsiloxane (PDMS) material blanket.4. The conductive ink composition of claim 1 , wherein the high boiling point solvent is at least one selected from terpineol claim 1 , ethyl carbitol acetate claim 1 , and butyl carbitol acetate.5. The conductive ink composition of claim 1 , wherein the dispersion assistant solvent is at least one selected from acetone and propylene glycol monomethyl ether acetate.6. The conductive ink composition of claim 1 , wherein the metal particles are contained in a content of 20 to 40 wt %; the main solvent 40 to 65 wt %; the high boiling point solvent 3 to 15 wt %; and the dispersion assistant solvent 10 to 30 wt %.7. The conductive ink composition of claim 1 , wherein the metal particles are copper particles claim 1 , silver particles claim 1 , or mixed particles thereof claim 1 , having an average particle size of 5 nm to 100 nm.8. The conductive ink composition of claim 1 , further comprising a binder and a dispersant.9. The conductive ink composition of claim 8 , wherein the binder is at least one selected from phenol based resin and acrylic based resin.10. The ...

Conductive ink formulas for improved inkjet delivery

An ink composition for printing conductive layers on a variety of substrates is disclosed. The ink composition comprises polymer encapsulated copper nanoparticles, a primary glycol solvent, an alcohol and a diol monoether. The inventive ink is characterized by excellent jettability and freedom from nozzle-plate flooding. Ink surface tensions are in the range of 34 to 37 mN/m and viscosities are less than 41 cP.

AEROSOL JET PRINTABLE METAL CONDUCTIVE INKS, GLASS COATED METAL CONDUCTIVE INKS AND UV-CURABLE DIELECTRIC INKS AND METHODS OF PREPARING AND PRINTING THE SAME

Provided are aerosol jet uncoated and coated (e.g., glass-coated) metal conductive ink compositions that can be deposited onto a substrate using, for example, aerosol jet printing and direct-write methods such as Aerosol Jet (e.g., Optomec M D) deposition and methods of aerosol jet deposition of the aerosol jet uncoated and coated metal conductive ink compositions. Also provided are aerosol jet UV curable dielectric ink compositions that exhibit transparency, storage stability, and very good print quality and print stability, thereby enabling the formation of very fine dielectric features on a variety of substrates. 1. An aerosol jet metal conductive ink for aerosol jet printing , comprising:coated or uncoated metal particles; anda high boiling point and low vapor pressure solvent or mixture of solvents;{'sup': '−1', 'wherein the viscosity of the ink is not greater than 1000 cP at a shear rate of at or about 10 secat 25° C.'}2. The aerosol jet metal conductive ink of claim 1 , wherein the viscosity of the ink is greater than 20 cP at a shear rate of at or about 10 secat 25° C.3. The aerosol jet metal conductive ink of claim 1 , wherein the viscosity of the ink is greater than 20 cP at a shear rate of at or about 10 secat aerosol jet printing operating temperature.4. The aerosol jet metal conductive ink of claim 1 , wherein the metal particles are coated with a glass layer or metal layer or metal oxide layer or a combination thereof.5. The aerosol jet metal conductive ink of claim 1 , further comprising a dispersant or mixture of dispersants.6. The aerosol jet metal conductive ink of claim 1 , further comprising an adhesion promoter.7. The aerosol jet metal conductive ink of claim 1 , further comprising an additive.8. The aerosol jet metal conductive ink of claim 1 , wherein the solvent has a vapor pressure lower than 1 mmHg or lower than 0.1 mmHg at room temperature.9. The aerosol jet metal conductive ink of claim 1 , wherein the solvent have a vapor pressure lower ...

Conductive Ink Composition

A representative printable composition comprises a liquid or gel suspension of a plurality of conductive particles; a first solvent comprising a polyol or mixtures thereof, such as glycerin, and a second solvent comprising a carboxylic or dicarboxylic acid or mixtures thereof, such as glutaric acid. In various embodiments, the conductive particles are comprised of a metal, a semiconductor, an alloy of a metal and a semiconductor, or mixtures thereof, and may have sizes between about 5 nm to about 1.5 microns in any dimension. A representative conductive particle ink can be printed and annealed to produce a conductor. 1. A composition comprising:a plurality of conductive particles;a first solvent comprising a polyol or mixtures thereof; anda second solvent comprising a carboxylic or dicarboxylic acid or mixtures thereof.2. The composition of claim 1 , wherein the plurality of conductive particles have a size in any dimension between about 5 nm and about 1.0μ and are comprised of a metal.3. The composition of claim 1 , wherein each particle of the plurality of conductive particles comprises at least one metal selected from the group consisting of: aluminum claim 1 , copper claim 1 , silver claim 1 , gold claim 1 , nickel claim 1 , palladium claim 1 , tin claim 1 , platinum claim 1 , lead claim 1 , zinc claim 1 , bismuth claim 1 , alloys thereof claim 1 , and mixtures thereof.4. The composition of claim 3 , wherein at least some particles of the plurality of conductive particles are surface passivated to reduce oxidation.5. The composition of claim 3 , wherein at least some particles of the plurality of conductive particles are passivated with at least a partial coating selected from the group consisting of: benzotriazole claim 3 , zinc phosphate claim 3 , zinc dithiophosphate claim 3 , tannic acid claim 3 , hexafluoroacetylacetone claim 3 , and mixtures thereof.6. The composition of claim 3 , further comprising:an antioxidant.7. The composition of claim 3 , further ...

Conductive Metallic and Semiconductor Ink Composition

A representative printable composition comprises a liquid or gel suspension of a plurality of metallic particles; a plurality of semiconductor particles; and a first solvent. The pluralities of particles may also be comprised of an alloy of a metal and a semiconductor. The composition may further comprise a second solvent different from the first solvent. In a representative embodiment, the first solvent comprises a polyol or mixtures thereof, such as glycerin, and the second solvent comprises a carboxylic or dicarboxylic acid or mixtures thereof, such as glutaric acid. In various embodiments, the metallic particles and the semiconductor particles are nanoparticles between about 5 nm to about 1.5 microns in any dimension. A representative metallic and semiconductor particle ink can be printed and annealed to produce a conductor. 1. A composition comprising:a plurality of metallic nanoparticles;a plurality of semiconductor nanoparticles; anda first solvent.2. The composition of claim 1 , wherein the plurality of metallic nanoparticles have a size in any dimension between about 5 nm and about 1.0μ.3. The composition of claim 1 , wherein the plurality of semiconductor nanoparticles have a size in any dimension between about 5 nm and about 1.5μ.4. The composition of claim 1 , wherein the plurality of metallic nanoparticles have a size in any dimension between about 5 nm and about 200 nm and the plurality of semiconductor nanoparticles have sizes in any dimension between about 5 nm and about 200 nm.5. The composition of claim 1 , further comprising:a plurality of metallic microparticles having sizes in any dimension between about 1μ and about 20μ.6. The composition of claim 1 , further comprising:a plurality of semiconductor microparticles having sizes in any dimension between about 1μ and about 20μ.7. The composition of claim 1 , wherein each nanoparticle of the plurality of metallic nanoparticles and of the plurality of semiconductor nanoparticles comprises an alloy of ...

Ink composition for continuous deflected jet printing

An ink composition for continuous deflected ink jet printing, liquid at ambient temperature is disclosed. One aspect is an ink composition comprising: a solvent including organic solvent compound(s), and optionally water, the solvent representing at least 20% by weight of the total weight of the ink. Furthermore, there is at least one compound imparting conductivity to the ink composition, chosen from among the ionic liquids, the compound representing 0.2% by weight to 4% by weight of the total weight of the ink composition, preferably 0.5 to 3% by weight of the total weight of the ink composition. Lastly, the ink composition includes less than 10% by weight, preferably less than 5% by weight, more preferably less than 1% by weight, and most preferably 0% by weight of water relative to the total weight of the ink composition.

Wearable communication platform

An wearable communications garment that includes one or more user-selectable inputs integrated into the garment. A sartorial communications apparatus may include a flexible material that is worn (e.g., as an undergarment) by the user and includes one or more interactive sensors that may be manually activated by a user, even through one or more intervening layers of clothing. The apparatus may also include one or more additional body sensors configured to sense a user's position, movement, and/or physiological status. The sensor(s) may be connected via a conductive trace on the garment to a sensor module for analysis and/or transmission. Methods of manufacturing the garments as well as methods of using the garments are also described.

Nanotube dispersants and dispersant free nanotube films therefrom

A degradable polymeric nanotube (NT) dispersant comprises a multiplicity of NT associative groups that are connected to a polymer backbone by a linking group where there are cleavable groups within the polymer backbone and/or the linking groups such that on a directed change of conditions, bond breaking of the cleavable groups results in residues from the degradable polymeric NT dispersant in a manner where the associative groups are uncoupled from other associative groups, rendering the associative groups monomelic in nature. The degradable polymeric nanotube (NT) dispersant can be combined with carbon NTs to form a NT dispersion that can be deposited to form a NT film, or other structure, by air brushing, electrostatic spraying, ultrasonic spraying, ink-jet printing, roll-to-roll coating, or dip coating. The deposition can render a NT film that is of a uniform thickness or is patterned with various thicknesses. Upon deposition of the film, the degradable polymeric nanotube (NT) dispersant can be cleaved and the cleavage residues removed from the film to yield a film where contact between NTs is unencumbered by dispersants, resulting in highly conductive NT films.

Sports equipment with pattern created in magnetic paint

A piece of sports equipment includes: a surface; and base paint including magnetic particles, the base paint being located on the surface of the piece of sports equipment, the magnetic particles being arranged based on a predetermined design after being subjected to magnetic field generated by one or more magnets. A method of manufacturing a piece of sports equipment includes: obtaining an object including one or more magnets arranged in a predetermined design; applying a base paint including magnetic particles to an exterior surface of the piece of sports equipment; while the base paint is fluid, positioning the piece of sports equipment within a magnetic field of the one or more magnets; and maintaining the positioning of the piece of sports equipment for at least a predetermined period, thereby allowing the magnetic particles in the base paint to arrange based on the predetermined design of the one or more magnets.

Porous electrode for proton exchange membrane

A process for manufacturing a catalytic electrode includes depositing an electrocatalytic ink on a carrier, wherein the electrocatalytic ink includes an electrocatalytic material and a product polymerizable into a protonically conductive polymer. The process also includes solidifying the electrocatalytic ink so as to form an electrode wherein the composition of the product polymerizable into a protonically conductive polymer and its proportion in the ink is defined so that the electrode formed has a breaking strength greater than 1 MPa. The process further includes separating the electrode formed from the carrier.

METHOD FOR PRODUCING SILVER NANOPARTICLES, SILVER NANOPARTICLES, AND SILVER COATING COMPOSITION

The present invention provides silver nano-particles that are excellent in stability and develop excellent conductivity by low-temperature calcining, a producing method for same, and a silver coating composition comprising the silver nano-particles. A method for producing silver nano-particles comprising: preparing an amine mixture liquid comprising: an aliphatic hydrocarbon monoamine (A) comprising an aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 6 or more carbon atoms in total; an aliphatic hydrocarbon monoamine (B) comprising an aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 5 or less carbon atoms in total; and an aliphatic hydrocarbon diamine (C) comprising an aliphatic hydrocarbon group and two amino groups, said aliphatic hydrocarbon group having 8 or less carbon atoms in total; mixing a silver compound and the amine mixture liquid to form a complex compound comprising the silver compound and the amines; and thermally decomposing the complex compound by heating to form silver nano-particles. 1. A method for producing silver nano-particles comprising:preparing an amine mixture liquid comprising:an aliphatic hydrocarbon monoamine (A) comprising an aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 6 or more carbon atoms in total;an aliphatic hydrocarbon monoamine (B) comprising an aliphatic hydrocarbon group and one amino group, said aliphatic hydrocarbon group having 5 or less carbon atoms in total; andan aliphatic hydrocarbon diamine (C) comprising an aliphatic hydrocarbon group and two amino groups, said aliphatic hydrocarbon group having 8 or less carbon atoms in total;mixing a silver compound and the amine mixture liquid to form a complex compound comprising the silver compound and the amines; andthermally decomposing the complex compound by heating to form silver nano-particles.2. The method for producing silver nano-particles ...

DIRECT ULTRASONICATION PRODUCTION OF GRAPHENE SHEETS FROM COKE OR COAL

Provided is a method of producing isolated graphene sheets from a supply of coke or coal powder containing therein domains of hexagonal carbon atoms and/or hexagonal carbon atomic interlayers. The method comprises: (a) dispersing particles of the coke or coal powder in a liquid medium containing therein an optional surfactant or dispersing agent to produce a suspension or slurry, wherein the coke or coal powder is selected from petroleum coke, coal-derived coke, mesophase coke, synthetic coke, leonardite, anthracite, lignite coal, bituminous coal, or natural coal mineral powder, or a combination thereof; and (b) exposing the suspension or slurry to ultrasonication at an energy level for a sufficient length of time to produce the isolated graphene sheets. 1. A method of producing a graphene-containing ink composition , said method comprising:a) dispersing particles of said coke or coal powder in a liquid medium containing therein an optional a surfactant or dispersing agent to produce a suspension and containing no oxidant or acid, wherein said coke or coal powder is selected from the group consisting of petroleum coke, coal-derived coke, mesophase coke, synthetic coke, leonardite, anthracite, lignite coal, bituminous coal, or natural coal mineral powder, and combinations thereof; andb) exposing said suspension to ultrasonication at an energy level for a sufficient length of time to produce said isolated graphene sheets in said liquid mediumc) adding a property modifier or chemical species to produce a graphene-containing ink composition, wherein said addition can occur before, during or after exposing said suspension to ultrasonication.2. The method of wherein said step of ultrasonication has a time from 5 minutes to 2 hours.3. The method of further comprising a mechanical shearing treatment selected from air milling claim 1 , air jet milling claim 1 , wet milling claim 1 , ball milling claim 1 , rotating blade shearing claim 1 , or a combination thereof.4. The ...

A conductive elastomer, preparation method and use thereof

A preparation method of a conductive elastomer includes the following steps: (1) according to the mass percent of 20˜75%, dissolving the metallic salts into deionized water to form an electrolyte solution, wherein said metallic salts is either of magnesium nitrate, sodium nitrate, zinc nitrate, cesium nitrate, calcium nitrate, neodymium nitrate, aluminum nitrate, potassium nitrate, potassium chloride, magnesium chloride, calcium chloride, sodium chloride, zinc chloride, cesium chloride, aluminum chloride or their combinations; (2) according to the mass percent of 10˜40%, mixing starches into the electrolyte solution prepared in step (1), then at the temperature of 33˜120 ° C., stirring to gelatinize the starches, forming a viscous liquid; (3) standing the viscous liquid obtained in step (2) at 25˜90° C. for 10 min to 48 h to obtain the conductive elastomer.

BATTERY AND METHOD OF CONSTRUCTING A BATTERY

A battery and a method of constructing a battery are disclosed in which a first conductive substrate portion has a first face and a second conductive substrate portion has a second face opposed to the first face. A first electrode material is disposed in electrical contact with the first face, an electrolyte material is disposed in contact with the first electrode material, a second electrode material is disposed in contact with the electrolyte material, and a conductive tab disposed in contact with the second electrode material. The first conductive substrate portion, the first electrode material, and the conductive tab extend outward beyond a particular edge of the second conductive substrate portion. 1. A battery , comprising:a first conductive substrate portion having a first face and a second conductive substrate portion having a second face opposed to the first face;a first electrode material disposed in electrical contact with the first face;an electrolyte material disposed in contact with the first electrode material;a second electrode material disposed in contact with the electrolyte material; anda conductive tab disposed in contact with the second electrode material;wherein the first conductive substrate portion, the first electrode material, and the conductive tab extend outward beyond a particular edge of the second conductive substrate portion.2. The battery of claim 1 , wherein the first and second conductive substrate portions are integral with one another and a fold portion is disposed therebetween.3. The battery of claim 2 , wherein the electrolyte material is disposed between layers of the first electrode material.4. The battery of claim 1 , wherein the first and second conductive substrate portions are discrete elements.5. The battery of claim 1 , further including an adhesive disposed between the first and second faces for securing the first face to the second face and wherein the first electrode material is disposed in electrical contact with ...

CONDUCTIVE INK FOR USE IN MANUFACTURING RADIO FREQUENCY IDENTIFICATION (RFID) TAG ANTENNA AND METHOD FOR MANUFACTURING RFID TAG ANTENNA

A conductive ink for use in manufacturing RFID tag antennas and a method for manufacturing the RFID tag antennas are revealed. The conductive ink includes sheet-like carbon material containing graphite structure, conductive filler, dispersant, and solvent. The conductive ink is coated on a surface of a fibrous substrate by printing or inkjet printing according to the shape of the antenna so as to form a conductive layer. A part of the conductive layer is infiltrated into pores between fibers of the fibrous substrate and attached to the fibrous substrate. The fibrous substrate together with the conductive layer forms a RFID antenna without non-conductive binder. The conductive ink is binder free so that the electrical conductivity of the antenna is improved while the electrical resistance and the production cost of the antenna are reduced 1. A conductive ink for use in manufacturing RFID tag antennas comprising:at least one sheet-like carbon material containing graphite structure,at least one conductive filler,at least one dispersant, andat least one solvent.2. The conductive ink as claimed in claim 1 , wherein the sheet-like conductive carbon material is selected from the group consisting of graphene claim 1 , graphite platelets claim 1 , natural graphite claim 1 , pelleted carbon black claim 1 , and a combination thereof.3. The conductive ink as claimed in claim 1 , wherein the conductive filler is selected from the group consisting of conductive carbon material in shapes other than the sheet claim 1 , conductive metal particle claim 1 , conductive oxide claim 1 , conductive polymer claim 1 , and a combination thereof.4. The conductive ink as claimed in claim 3 , wherein the conductive carbon material in shapes other than the sheet is selected from the group consisting of graphene claim 3 , graphite claim 3 , carbon nanotubes claim 3 , carbon nanocapsules claim 3 , conductive carbon black and a combination thereof.5. The conductive ink as claimed in claim 3 , ...

Vanadium oxide nanoparticle-based ink compositions

Embodiments of the present disclosure describe ink compositions comprising a plurality of vanadium oxide nanoparticles and one or more carrier solvents. Embodiments of the present disclosure further describe methods of preparing ink compositions, methods of printing the ink compositions, RF devices and/or components incorporating the ink compositions, and the like.

Perovskite-Polymer Composite Materials, Devices, and Methods

Composite materials that include a polymer matrix and a metal halide perovskite. The metal halide perovskite may be a lead-free metal halide double perovskite. Devices that include a layer of a composite material, a first electrode, and a second electrode. Methods of forming composite materials and devices, including methods that include printing one or more layers with a 3D printer. 1. A composite material comprising:a polymer matrix comprising a polymer; anda metal halide perovskite dispersed in the polymer matrix.2. The composite material of claim 1 , wherein the metal halide perovskite is a lead-free metal halide double perovskite of the following formula:{'br': None, 'sub': 2', '6, 'CsBB′X\u2003\u2003(formula (I)),'}wherein B is Sb or Bi,B′ is Cu, Ag, or Au, andX is Cl, Br, or I.3. The composite material of claim 2 , wherein (i) B is Bi claim 2 , B′ is Ag claim 2 , X is Br claim 2 , and the lead-free metal halide double perovskite has the formula CsBiAgBr claim 2 , (ii) B is Bi claim 2 , B′ is Au claim 2 , X is Br claim 2 , and the lead-free metal halide double perovskite has the formula CsBiAuBr claim 2 , (iii) B is Sb claim 2 , B′ is Ag claim 2 , X is Br claim 2 , and the lead-free metal halide double perovskite has the formula CsSbAgBr claim 2 , or (iv) B is Sb claim 2 , B′ is Au claim 2 , X is Br claim 2 , and the lead-free metal halide double perovskite has the formula CsSbAuBr.46-. (canceled)7. The composite material of claim 1 , wherein the metal halide perovskite is a lead-free metal halide double perovskite.8. The composite material of claim 1 , wherein the metal halide perovskite is of the following formula:{'br': None, 'sub': '3', 'ABX\u2003\u2003(formula (II)),'}wherein A is a +1 cation,B is a +2 cation, andX is Cl, Br, or I.9. The composite material of claim 8 , wherein A is an inorganic claim 8 , single atom +1 cation.10. The composite material of claim 9 , wherein A is Cs.11. (canceled)12. The composite material of claim 8 , wherein A is an ...

Thermoelectric (te) ink for three-dimensional (3d) printed te materials, te module including 3d printed te material, and method of manufacturing te module

A thermoelectric (TE) ink for TE materials, a TE module using the TE ink, and a method of manufacturing the TE module are provided. The TE ink may include an inorganic binder including chalcogenidometallate (ChaM), and TE particles including Bi2-xSbxTe3-ySey (0≤x≤2, 0≤y≤1).

ELECTROSTATIC INK COMPOSITION

There is provided an electrostatic ink composition comprising chargeable particles comprising white pigment particles having a basic species on their surface; and a charge director; wherein the white pigment particles are present in an amount of at least 75 wt % based on the total weight of the non-volatile solids in the electrostatic ink composition. A method of manufacturing an electrostatic ink composition and a printed medium are also described. 1. An electrostatic ink composition comprising:a) chargeable particles comprising white pigment particles having a basic species on their surface; and 'wherein the white pigment particles are present in an amount of at least 75 wt % based on the total weight of the non-volatile solids in the electrostatic ink composition.', 'b) a charge director;'}2. The electrostatic ink composition according to claim 1 , further comprising a liquid carrier.3. The electrostatic ink composition according to claim 1 , further comprising a thermoplastic resin.4. The electrostatic ink composition according to claim 1 , further comprising a dispersant.5. The electrostatic ink composition according to claim 1 , wherein the basic species on the surface of the white pigment particles is an inorganic species.6. The electrostatic ink composition according to claim 1 , wherein the white pigment particles comprise a first metal oxide and wherein the species on the surface comprises a second metal oxide.7. The electrostatic ink composition of claim 1 , wherein the white pigment particles comprise TiOparticles and wherein the species on the surface comprises alumina and/or zirconia.8. The electrostatic ink composition according to claim 5 , wherein the white pigment particles are also surface treated with an organic species selected from silicones and siloxanes.9. The electrostatic ink composition according to claim 1 , wherein the white pigment is present in an amount of at least 85 wt % based on the total weight of the non-volatile solids in the ...

FORMULATIONS CONTAINING A MIXTURE OF AT LEAST TWO DIFFERENT SOLVENTS

The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one organic functional material and a mixture of at least two different solvents wherein a first organic solvent exhibits a lower boiling point than a second organic solvent and said first organic solvent exhibits a higher viscosity than said second organic solvent. 119.-. (canceled)20. A formulation comprising at least one organic functional material , and organic solvents , wherein said formulation comprises a mixture of at least two different solvents wherein a first organic solvent exhibits a lower boiling point than a second organic solvent and said first organic solvent exhibits a higher viscosity than said second organic solvent.21. The formulation according to claim 20 , wherein said second solvent exhibits a viscosity in the range of 0.5 to 50 mPas at 25.0° C.22. The formulation according to claim 20 , wherein the difference between the viscosities of said second solvent and said first solvent is in the range of 1 to 50 mPas at 25.0° C.23. The formulation according to claim 20 , wherein said second organic solvent has a boiling point in the range from 100° C. to 350° C. claim 20 , wherein the boiling point is given at 760 mm Hg.24. The formulation according to claim 20 , wherein the difference between the boiling point of said first organic solvent and the boiling point of said second organic solvent is in the range of 5° C. to 100° C.25. The formulation according to claim 20 , wherein the formulation comprises at least 20% of the first and second solvent.26. The formulation according to claim 20 , wherein said first organic solvent comprises parameters of Hin the range of 15.5 to 22.0 MPa claim 20 , Hin the range of 0.0 to 12.5 MPaand Hin the range of 0.0 to 15.0 MPa.27. The formulation according to claim 20 , wherein said second organic solvent comprises Hansen Solubility parameters of Hin the range of 15.5 to 22.0 MPa claim 20 , Hin the ...

Fast Conductivity Polymer Silver

A conductive paste is provided for forming conductive traces on substrates. The conductive paste includes a vehicle and conductive material. The vehicle includes a resin, a plasticizer, and a solvent in which the resin is dissolved. After application to a substrate, the conductive paste is cured at ambient temperature by evaporation of the solvent from the paste, to thereby form a conductive trace on the substrate. The conductive trace does not require a curing agent, and attains low resistivity within minutes of application to the substrate. 1. A lead , cadmium , and phthalate free conductive paste comprising 60-90 wt % conductive material including silver particles , and 10-30 wt % of a binder system , 10-20 wt % thermoplastic polymer resin comprising polyvinyl butyral,', '5-20 wt % plasticizer comprising triethylene glycol bis(2-ethylhexanoate), and', '60-85 wt % solvent,, 'wherein 100 wt % of the binder system includeswherein the thermoplastic polymer resin is dissolved in the solvent,wherein a weight ratio of the amount of thermoplastic polymer resin to the amount of plasticizer is 1.25 to 1.75, andwherein when the conductive paste is applied to an associated substrate, 0.5-1 wt % of the solvent evaporates from the conductive paste at ambient temperature within 5 minutes.2. The conductive paste according to claim 1 , further comprising 0.5-1.5 wt % of a thixotrope.3. The conductive paste according to claim 1 , further comprising 0.05-0.15 wt % defoamer.4. The conductive paste according to claim 1 , further comprising 0.05-1 wt % of a gelling agent.5. The conductive paste according to claim 4 , wherein the gelling agent comprises dibenzylidene sorbitol.6. The conductive paste according to claim 1 , wherein the solvent comprises a mixture of isopropyl alcohol and denatured ethyl alcohol.7. The conductive paste according to claim 1 , wherein the solvent is a mixture of a first solvent having an evaporation rate of less than 0.5 times the evaporation rate of n- ...

INK COMPOSITION FOR MAKING A CONDUCTIVE SILVER STRUCTURE

An ink composition for making a conductive silver structure comprises a silver salt and a complex of (a) a complexing agent and a short chain carboxylic acid or (b) a complexing agent and a salt of a short chain carboxylic acid, according to one embodiment. A method for making a silver structure entails combining a silver salt and a complexing agent, and then adding a short chain carboxylic acid or a salt of the short chain carboxylic acid to the combined silver salt and a complexing agent to form an ink composition. A concentration of the complexing agent in the ink composition is reduced to form a concentrated formulation, and the silver salt is reduced to form a conductive silver structure, where the concentrated formulation and the conductive silver structure are formed at a temperature of about 120° C. or less. 1. An ink composition for making a conductive silver structure , the ink composition comprising:a silver salt; anda complex of (a) a complexing agent and a short chain carboxylic acid or (b) a complexing agent and a salt of a short chain carboxylic acid.2. The ink composition of claim 1 , wherein the short chain carboxylic acid is selected from the group consisting of formic acid claim 1 , acetic acid claim 1 , propionic acid claim 1 , pentanoic acid claim 1 , and butyric acid.3. The ink composition of claim 2 , wherein the short chain carboxylic acid is formic acid.4. The ink composition of claim 1 , wherein the complexing agent is selected from the group consisting of an alkyl amine and ammonia.5. The ink composition of claim 4 , wherein the alkyl amine is selected from the group consisting of methylamine claim 4 , ethylamine claim 4 , propylamine claim 4 , butylamine claim 4 , and amylamine.6. The ink composition of claim 1 , wherein the silver salt is selected from the group consisting of silver acetate claim 1 , silver formate claim 1 , silver carbonate claim 1 , silver fluoride claim 1 , silver nitrate claim 1 , silver nitrite claim 1 , silver ...

EXFOLIATION OF THERMOELECTRIC MATERIALS AND TRANSITION METAL DICHALCOGENIDES USING IONIC LIQUIDS

Disclosed are methods of exfoliating a thermoelectric material, such as bismuth telluride or antimony telluride, using one or more ionic liquids. Also disclosed is the exfoliated thermoelectric material provided by the disclosed methods. Further disclosed are compositions comprising the exfoliated thermoelectric material and methods of making and using the compositions. Additionally disclosed are exfoliated transition metal dichalcogenide compositions, methods of making and using such compositions. 1. A method for making exfoliated two-dimensional sheets of a thermoelectric material or a transition metal dichalcogenide , the method comprising:homogenizing a mixture comprising the thermoelectric material or the transition metal dichalcogenide and at least one ionic liquid to form a homogenous suspension of the two dimensional sheets of the thermoelectric material or the transition metal dichalcogenide in the ionic liquid.2. The method of claim 1 , further comprising extracting the exfoliated two dimensional sheets of the thermoelectric material or the transition metal dichalcogenide from the mixture.3. The method of claim 1 , wherein substantially homogenizing the mixture comprises imparting energy to the mixture.4. The method of claim 1 , wherein substantially homogenizing the mixture comprises sonicating the mixture for a period of time sufficient to exfoliate the thermoelectric material or the transition metal dichalcogenide to form the two dimensional sheets of the thermoelectric material or the transition metal dichalcogenide and substantially homogenize the mixture.5. The method of claim 1 , wherein the two dimensional sheets of the thermoelectric material or the transition metal dichalcogenide are two-dimensional quintuple sheets or a few layer stacks of quintuple sheets.6. The method of claim 1 , wherein the at least one ionic liquid comprises an optionally substituted cation that comprises a stoichiometric or non-stoichiometric mixture of heterocyclic claim ...

AIR-STABLE CONDUCTIVE INK

A low temperature sinterable copper nanoparticle or nanowire, comprising gold, zinc, nickel, tin, or aluminum as an alloying metal, and a capping agent. The nanoparticles or nanowires may be deposited on porous or fibrous substrates, the capping agent desorbed, and sintered at low temperature to form conductive traces or sensing elements. The nanoparticles or nanowires may be deposited by aerosol jet, inkjet or dispenser printers, for example. 1. A method of forming a conductive coating on a porous substrate , comprising:printing nanowires decorated with nanoparticles comprising an alloy of 1% copper, capped with a capping agent, by a reaction solution aging and annealing procedure on the porous substrate; andallowing the decorated nanowires to sinter at a temperature below 150° C., to form the conductive coating.2. The method according to claim 1 , wherein the nanoparticles have a diameter between 2 to 20 nm claim 1 , and comprise at least 50% copper and at least 1% gold claim 1 , nickel claim 1 , aluminum claim 1 , zinc claim 1 , or tin.3. The method according to claim 1 , wherein said printing comprises:digitally defining a deposition pattern on the porous substrate;electronically selectively forming regions of the decorated nanowires on the porous substrate corresponding to the defined deposition pattern by printing; anddesorbing the capping agent from the nanoparticles or nanowires.4. The method according to claim 1 , wherein the nanoparticles comprise copper-gold alloy nanoparticles comprising at least 50% copper claim 1 , having a bimodal distribution of diameter having a first peak between 1-2 nanometers and a second peak between 5-10 nanometers.5. The method according to claim 1 , wherein the decorated nanowires are allowed to sinter at a temperature below 100° C.6. The method according to claim 1 , wherein the porous substrate a cellulosic paper.7. The method according to claim 1 , wherein conductive coating has a conductivity which reversibly varies by at ...

METHOD FOR PREPARING A PASTE-LIKE COMPOSITION COMPRISING CARBON-BASED CONDUCTIVE FILLERS

A method for preparing a paste-like composition including carbon-based conductive fillers, at least one polymeric binder, at least one solvent, and at least one polymeric dispersant being different from the binder. Also, the paste that can result from said method, and to the uses thereof, in pure or diluted form, in particular for the manufacture of Li-ion batteries and super-capacitors. 1. A process for the preparation of a pasty composition based on carbon-based conductive fillers , comprising:(i) the introduction into a kneader, and then the kneading, of carbon-based conductive fillers, of at least one polymeric binder, of at least one solvent and of at least one polymeric dispersant distinct from said binder, selected from the group consisting of poly(vinylpyrrolidone), poly(phenylacetylene), poly(meta-phenylene vinylidene), polypyrrole, poly(para-phenylene benzobisoxazole), poly(vinyl alcohol) and their mixtures, in order to form a masterbatch comprising a proportion by weight of 15% to 40% of carbon-based conductive fillers and of 20% to 85% of solvent and in which the ratio by weight of the polymeric binder to the carbon-based conductive fillers is between 0.04 and 0.4 and the ratio by weight of the polymeric dispersant to the carbon-based conductive fillers is between 0.1 and 1, limits included;(ii) the extrusion of said masterbatch in a solid form; and(iii) the diluting of said masterbatch in a solvent which is identical to or different from that of stage (i), in order to obtain a pasty composition, the pasty composition having a viscosity of between 200 and 1000 mPa·s at a temperature of 23° C.2. The process of claim 1 , wherein the carbon-based conductive fillers are selected from the group consisting of carbon nanotubes claim 1 , carbon nanofibers claim 1 , carbon black or graphene claim 1 , and mixtures thereof.3. The process of claim 1 , wherein said polymeric binder is selected from the group consisting of polysaccharides claim 1 , modified ...

Silver Ink Composition

A silver ink composition which includes a silver carboxylate having a group represented by a formula —COOAg, an aliphatic primary amine or secondary amine having 2 to 10 carbon atoms, an acetylene alcohol represented by a general formula (2) shown below, and a hydrocarbon having 6 to 20 carbon atoms, and has a viscosity at 27° C. of 40 mPa·s or less, 2. The silver ink composition according to claim 1 , comprising a hydrocarbon having 6 to 14 carbon atoms claim 1 , wherein a dynamic surface tension at 27° C. thereof is 56 mN/m or less.4. The silver ink composition according to claim 3 , wherein said R represents a linear or branched alkyl group claim 3 , a phenyl group claim 3 , or a group represented by the general formula R—C(═O)—CY— claim 3 , and the X represents a hydrogen atom claim 3 , a linear or branched alkyl group claim 3 , or a benzyl group.5. The silver ink composition according to claim 3 , wherein said silver β-ketocarboxylate is at least one selected from the group consisting of silver 2-methylacetoacetate claim 3 , silver acetoacetate claim 3 , silver 2-ethylacetoacetate claim 3 , silver propionylacetate claim 3 , silver isobutyrylacetate claim 3 , silver pivaloylacetate claim 3 , silver 2-n-butylacetoacetate claim 3 , silver 2-benzylacetoacetate claim 3 , silver benzoylacetate claim 3 , silver pivaloylacetoacetate claim 3 , silver isobutyrylacetoacetate and silver acetonedicarboxylate.6. The silver ink composition according to claim 1 , wherein an aliphatic hydrocarbon group bonded to a nitrogen atom of said primary amine or secondary amine is a linear or branched alkyl group.7. The silver ink composition according to claim 1 , wherein said primary amine or secondary amine is at least one selected from the group consisting of 2-ethylhexylamine claim 1 , n-propylamine claim 1 , n-butylamine claim 1 , n-pentylamine claim 1 , n-hexylamine claim 1 , n-heptylamine claim 1 , n-octylamine claim 1 , N-methylhexylamine and N-ethylhexylamine.8. The silver ink ...

SUBSTRATE FOR PRINTED CIRCUIT BOARD, PRINTED CIRCUIT BOARD, METHOD OF MANUFACTURING SUBSTRATE FOR PRINTED CIRCUIT BOARD, AND COPPER NANO-INK

According to one aspect of the present invention, a substrate for a printed circuit board includes: an insulating base film; and a metal layer that covers an entirety or a part of one or both surfaces of the base film, wherein the metal layer includes a sintered body layer of copper nanoparticles, and wherein the sintered body layer includes nitrogen atoms by greater than or equal to 0.5 atomic % and less than or equal to 5.0 atomic %. 1. A substrate for a printed circuit board comprising:an insulating base film; anda metal layer that covers an entirety or a part of one or both surfaces of the base film,wherein the metal layer includes a sintered body layer of copper nanoparticles, andwherein the sintered body layer includes nitrogen atoms by greater than or equal to 0.5 atomic % and less than or equal to 5.0 atomic %.2. The substrate for a printed circuit board according to claim 1 , wherein the sintered body layer includes carbon atoms by greater than or equal to 0.5 atomic % and less than or equal to 10.0 atomic %.3. A printed circuit board comprising:an insulating base film; anda metal layer that is patterned on one or both surfaces of the base film in plan view,wherein the metal layer includes a sintered body layer of copper nanoparticles, andwherein the sintered body layer includes nitrogen atoms by greater than or equal to 0.5 atomic % and less than or equal to 5.0 atomic %.4. A method of manufacturing a substrate for a printed circuit board comprising:applying, to one or both surfaces of a base film, a copper nano-ink containing a solvent, copper nanoparticles that are dispersed in the solvent, and an organic dispersant having an amino group or an amide bond; andsintering the copper nanoparticles in a coating film of the copper nano-ink by heating,wherein a sintering temperature and a sintering time in the sintering are set so that nitrogen atoms remain, in an obtained sintered body layer, by greater than or equal to 0.5 atomic % and less than or equal to 5. ...

HIGHLY CONDUCTIVE, PRINTABLE INK FOR HIGHLY STRETCHABLE SOFT ELECTRONICS

The present invention relates to highly conductive, printable inks for highly stretchable soft electronics, a process for their manufacture as well as a process for producing highly stretchable soft electronics. 1. A highly conductive and printable ink , comprising:(i) 5 to 40 vol % of conductive hydrophobic silver particles, with respect to the total volume of ink, as conductive solid phase,(ii) a liquid primary phase comprising, as a polymer base, a cross-linkable hydrophobic polydimethylsiloxane (PDMS) which is capable to become an elastomer by cross-linking, and further including a cross-linker in an amount of 1 to 10 vol % and a catalyst solution in an amount of 0.01 to 5 vol %, with respect to the PDMS base, and(iii) a liquid secondary phase based on an ionic liquid, with a volume ratio ρ of 0.01 to 0.2 between liquid secondary phase and conductive solid phase,wherein the liquid secondary phase is immiscible with the liquid primary phase and does not wet the conductive solid phase, so that the three-phase system creates a capillary suspension.2. The ink according to claim 1 , wherein the conductive hydrophobic silver particles have a medium particle size d50 of 0.1 to 50 μm claim 1 , measured by laser diffraction in accordance with DIN EN 725-5 claim 1 , ISO 13320.3. The ink according to claim 2 , wherein the cross-linkable polydimethylsiloxane (PDMS) has a kinematic viscosity between 100 cSt and 60 claim 2 ,000 cSt claim 2 , as determined by capillary viscometer in accordance with ISO 3015.5. The ink according to claim 1 , wherein the ionic liquid contains a substituted or unsubstituted imidazolium cation claim 1 , wherein the imidazolium cation of the salt is preferably in the 1- and 3-position or in the 1- claim 1 , 2- and 3-position with (C1-C6) alkyl groups claim 1 , and the anion of the ionic liquid is a halide claim 1 , perchlorate claim 1 , pseudohalide claim 1 , sulfate claim 1 , phosphate claim 1 , alkyl phosphate and/or a C1-C6 carboxylate ion.6. ...

HIGHLY CONDUCTIVE MATERIAL FORMED BY HYBRIDIZATION OF METAL NANOMATERIAL AND CARBON NANOMATERIAL HAVING HIGHER-ORDER STRUCTURE DUE TO MULTIPLE HYDROGEN BONDING, AND MANUFACTURING METHOD THEREFOR

The present invention relates to a highly conductive material formed by hybridization of a metal nanomaterial and a carbon nanomaterial having a higher-order structure due to multiple hydrogen bonding, and to a manufacturing method therefor. The technical essence of the present invention is a highly conductive material formed by hybridization of a metal nanomaterial and a carbon nanomaterial having a higher-order structure due to multiple hydrogen bonding the invention involving: forming a carbon nanomaterial having a higher-order structure due to multiple hydrogen bonding between conductive carbon nanomaterials by introducing a functional group capable of multiple hydrogen bonding to the carbon nanomaterials; forming a composite material by mixing the carbon nanomaterial having a higher-order structure and a metal nanomaterial. 1. A highly conductive material , prepared by mixing a conductive carbon nanomaterial having a higher-order structure based on multiple hydrogen bonding and a metal nanomaterial to give a composite material , the conductive carbon nanomaterial being grafted with a functional group capable of forming multiple hydrogen bonds.2. The highly conductive material of claim 1 , wherein the carbon nanomaterial is at least one of a carbon nanotube claim 1 , a carbon fiber claim 1 , a graphene claim 1 , and carbon black.3. The highly conductive material of claim 1 , wherein the metal nanomaterial is at least one of a one-dimensional metal nanowire claim 1 , a one-dimensional nanorod claim 1 , and a two-dimensional platy metal nanomaterial.4. The highly conductive material of claim 1 , wherein the functional group capable of forming multiple hydrogen bonds is at least one of a 2-ureido-4[1H]pyrimidinone) derivative claim 1 , a 4-ureido-4[1H]pyrimidinol) derivative claim 1 , a 2-uriedo-4-pyrimidone derivative claim 1 , a diacylpyrimidine derivative claim 1 , a ureidoacylpyrimidine derivative claim 1 , an acetylaminotriazine derivative claim 1 , an ...

Formation of 2D Flakes From Chemical Cutting of Prefabricated Nanoparticles and van der Waals Heterostructure Devices Made Using The Same

A method of synthesis of two-dimensional (2D) nanoflakes comprises the cutting of prefabricated nanoparticles. The method allows high control over the shape, size and composition of the 2D nanoflakes, and can be used to produce material with uniform properties in large quantities. Van der Waals heterostructure devices are prepared by fabricating nanoparticles, chemically cutting the nanoparticles to form nanoflakes, dispersing the nanoflakes in a solvent to form an ink, and depositing the ink to form a thin film. 1. A method of fabricating a two-dimensional nanoflake comprising:fabricating a nanoparticle; andrefluxing the nanoparticle in a solvent to form the two-dimensional nanoflake.2. The method of claim 1 , wherein the solvent is a coordinating solvent.3. The method of claim 1 , wherein the solvent is selected from the group consisting of: amines; fatty acids; phosphines; phosphine oxides; andalcohols.4. The method of claim 1 , wherein the solvent is hexadecylamine or myristic acid.5. The method of claim 1 , wherein the nanoparticle is a quantum dot.6. The method of claim 1 , wherein the nanoparticle is a nanorod.7. A method of fabricating a two-dimensional nanoflake comprising:fabricating a nanoparticle;stirring the nanoparticle in a first solvent in the presence of a first intercalating agent and a second intercalating agent for a first time period; andadding a second solvent and stirring for a second time period.8. The method of claim 7 , wherein the first and second intercalating agents are selected from the group consisting of: Lewis bases; aminothiols; and amino acids.9. The method of claim 7 , wherein the first and second solvents are selected from the group consisting of: dimethyl sulfoxide; acetonitrile; and propanol.10. The method of claim 7 , further comprising:adding a third intercalating agent and a third solvent; andstirring for a third time period.11. The method of claim 7 , wherein the nanoparticle is a quantum dot.12. The method of claim 7 , ...

ELECTRICALLY CONDUCTIVE PTC SCREEN PRINTABLE INK COMPOSITION WITH LOW INRUSH CURRENT AND HIGH NTC ONSET TEMPERATURE

An electrically conductive screen-printable PTC ink composition with low inrush current and high NTC onset temperature, consisting of at least two different polymers, polymer-1 and polymer-2; wherein the melting temperature difference between polymer-1 and polymer-2 must be greater than 50° C., and the mechanical strength of polymer-1 as expressed by Young's modulus must be greater than 200 MPa. 1. A positive temperature coefficient (PTC) composition comprising:5-35 wt % of a first polymer;1-20 wt % of a second polymer;5-50 wt % of a conductive particulate agent; and30-80 wt % of an organic solvent;wherein:the first polymer has a melting temperature that is at least 50° C. higher than a melting temperature of the second polymer;the first polymer has a Young's modulus between 550 MPa and 900 MPa;the first polymer is a polyvinylidene difluoride polymer;the second polymer is a poly C10-30 alkyl acrylate polymer;andthe organic solvent dissolves both the first and second polymers.2. The composition of claim 1 , wherein the organic solvent is at least one of DBE-9 claim 1 , MEK claim 1 , NMP claim 1 , toluene claim 1 , and xylene.3. The composition of claim 1 , wherein the second polymer has a melting temperature between 40° C. and 70° C.4. The composition of claim 1 , wherein the melting temperature of the first polymer is above 120° C.5. The composition of claim 1 , wherein the conductive particulate agent is selected from the group consisting of metallic powder claim 1 , metal oxide claim 1 , carbon black and graphite.6. The composition of claim 1 , wherein the conductive particulate agent is carbon black or low-structured carbon black.7. The composition of claim 1 , wherein a difference between an NTC onset temperature of the composition and a switching temperature of the composition is between 56° C. and 98° C.8. The composition of claim 1 , wherein the composition has an R/Rratio of between 1.6 and 1.9 claim 1 , with Requal to a resistance of the composition at a ...

THERMAL SUBSTRATE WITH HIGH-RESISTANCE MAGNIFICATION AND POSITIVE TEMPERATURE COEFFICIENT

A printed circuit that comprises a substrate, electrical interconnects and a double-resin ink having a positive temperature coefficient (PTC), wherein the double-resin ink has a resistance magnification of at least 20 in a temperature range of at least 20 degrees Celsius above a switching temperature of the double-resin ink, the resistance magnification being defined as a ratio between a resistance of the double-resin ink at a temperature ‘T’ and a resistance of the double-resin ink at 25 degrees Celsius. The substrate is a fabric or mesh, while the double-resin ink and the electrical interconnects are deposited onto the substrate. 1. A printed circuit comprising:a substrate;a double-resin ink having a positive temperature coefficient (PTC); andelectrical interconnects;wherein:the substrate is a fabric or mesh;the double-resin ink and the electrical interconnects are deposited onto the substrate;the double-resin ink comprises: a first resin comprising a crystalline or a semi-crystalline polymer; and a second resin comprising a non-crystalline polymer;andthe double-resin ink has a resistance magnification of at least 20 in a temperature range of at least 20 degrees Celsius above a switching temperature of the double-resin ink, the resistance magnification being defined as a ratio between a resistance of the double-resin ink at a temperature ‘T’ and a resistance of the double-resin ink at 25 degrees Celsius.2. The printed circuit of claim 1 , wherein the resistance magnification of the double-resin ink is at least 50.3. The printed circuit of claim 2 , wherein the temperature range is 30 degrees Celsius above the switching temperature.4. The printed circuit of claim 1 , wherein the switching temperature is between 0 and 160 degrees Celsius.5. The printed circuit of claim 1 , wherein the first resin provides a first PTC effect in a first temperature range and the second resin provides a second PT effect in a second temperature range claim 1 , the second temperature ...

HYDROPHYLIC SEMICONDUCTING SINGLE-WALLED CARBON NANOTUBE INKS

A single-walled carbon nanotube composition includes single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes in association with a polymer having one or more oligoether side groups. The oligoether side groups render the composition dispersable in polar organic solvents, for example alkyl carbitols, permitting formulation of ink compositions containing single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes. Such ink compositions may be readily printed using common printing methods, such as inkjet, flexography and gravure printing. 1. A single-walled carbon nanotube composition comprising: single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes; and , a polymer associated with the semiconducting single-walled carbon nanotubes , the polymer comprising one or more oligoether side groups.2. (canceled)3. The composition according to claim 1 , wherein the single-walled carbon nanotubes comprise 99 wt % or more semiconducting single-walled carbon nanotubes claim 1 , based on total weight of the single-walled carbon nanotubes.4. (canceled)6. The composition according to claim 5 , wherein Q is an alkylene group R is H or a Calkyl group claim 5 , z is 3 or 4 and n is 10 to 100.7. The composition according to claim 6 , wherein Q is methylene.8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. The composition according to claim 6 , wherein Aris 2 claim 6 ,7-fluorene or 2 claim 6 ,5-thiophene and Aris 2 claim 6 ,5-thiophene claim 6 , 2 claim 6 ,5-pyridine claim 6 , 2 claim 6 ,6-pyridine claim 6 , 2 claim 6 ,5-furan or 2.5-pyrrole.13. (canceled)14. The composition according to claim 6 , wherein Arand Arare independently benzene claim 6 , naphthalene claim 6 , anthracene claim 6 , fluorene claim 6 , phenylene claim 6 , furan claim 6 , benzofuran claim 6 , isobenzofuran claim 6 , pyrrole claim 6 , indole claim 6 , isoindole claim 6 , ...

TRANSPARENT CONDUCTIVE FILMS WITH FUSED NETWORKS

Fusing nanowire inks are described that can also comprise a hydrophilic polymer binder, such as a cellulose based binder. The fusing nanowire inks can be deposited onto a substrate surface and dried to drive the fusing process. Transparent conductive films can be formed with desirable properties. 1. A transparent conductive film comprising a substrate and a transparent conductive layer , the transparent conductive layer comprising a fused metal nanostructured network and from about 40 wt % to about 600 wt % of a polysaccharide with the weight percent evaluated relative to the metal weight , wherein the film has a sheet resistance of no more than about 100 ohms/sq and a % TT of at least about 89%.2. The transparent conductive film of wherein the fused metal nanostructured network has a metal loading from about 0.1 mg/mto about 300 mg/m.3. The transparent conductive film of wherein the fused metal nanostructured network has a metal loading from about 1 mg/mto about 150 mg/m.4. The transparent conductive film of wherein the transparent conductive layer comprises from about 50 wt % to about 450 wt % polysaccharide relative to metal weight.5. The transparent conductive film of wherein the polysaccharide comprises a cellulose based polymer.6. The transparent conductive film of wherein the polysaccharide comprises a chitosan based polymer.7. The transparent conductive film of having a sheet resistance of no more than about 95 ohms/sq claim 1 , a % TT of at least about 90% claim 1 , wherein the metal nanostructured network comprises silver.8. The transparent conductive film of having a % TT of at least about 92%.9. The transparent conductive film of having a sheet resistance of no more than about 70 ohms/sq.10. The transparent conductive film of wherein the substrate comprises a polymer film supporting the transparent conductive layer.11. The transparent conductive film of wherein the fused metal nanostructured network comprises silver and having haze of no more than about ...

PRETREAT COMPOSITIONS

The present disclosure is drawn to ink sets, material sets, and 3-dimensional printing systems. An ink set can include a pretreat composition that includes a metal chloride salt, a conductive fusing ink including a transition metal, and a second fusing ink. The second fusing ink can include a fusing agent capable of absorbing electromagnetic radiation to produce heat. 1. An ink set , comprising:a pretreat composition comprising a metal chloride salt;a conductive fusing ink comprising a transition metal; anda second fusing ink comprising a fusing agent capable of absorbing electromagnetic radiation to produce heat.2. The ink set of claim 1 , wherein the transition metal is in the form of elemental transition metal particles.3. The ink set of claim 2 , wherein the elemental transition metal particles comprise silver particles claim 2 , copper particles claim 2 , gold particles claim 2 , or combinations thereof.4. The ink set of claim 2 , wherein the elemental transition metal particles are capable of being sintered at a temperature from 20° C. to 350° C.5. The ink set of claim 1 , wherein the fusing agent comprises carbon black claim 1 , a near-infrared absorbing dye claim 1 , a near-infrared absorbing pigment claim 1 , a tungsten bronze claim 1 , a molybdenum bronze claim 1 , metal nanoparticles claim 1 , a conjugated polymer claim 1 , or combinations thereof.6. The ink set of claim 1 , wherein the metal chloride salt comprises sodium chloride claim 1 , potassium chloride claim 1 , or combinations thereof.7. The ink set of claim 1 , wherein the transition metal is in the form of elemental transition metal particles comprising a dispersing agent at surfaces of the elemental transition metal particles claim 1 , wherein the dispersing agent is capable of being removed from the surfaces by contact with the metal chloride salt.8. A material set claim 1 , comprising:a thermoplastic polymer powder having an average particle size from 20 μm to 100 μm;a pretreat composition ...

INK COMPOSITION FOR INKJET PRINTING BY THE CONTINUOUS DEFLECTED INK JET TECHNIQUE NOTABLY FOR SAFETY MARKINGS

An ink composition for printing by the continuous deflected ink jet technique, liquid at room temperature, including a method for marking or printing on a substrate, support or object using said ink composition, and a substrate, support, or object provided with a marking obtained by drying, and/or absorption of said ink composition, in which the ink composition includes a solvent including one or several organic solvent compounds, and optionally water; a binder comprising at least one binding resin; at least one plasticizer of said binding resin; at least one dye which belongs to the family of anthraquinone dyes; and optionally, at least one or several other dyes and/or pigments which do not belong to the family of anthraquinone dyes. 1. An ink composition for printing , by the continuous deflected ink jet technique , liquid at room temperature , comprising:a) a solvent comprising one or several organic solvent compounds;b) a binder comprising at least one binding resin;c) at least one plasticizer of said binding resin; andd) at least one dye which belongs to the family of anthraquinone dyes.2. The ink composition according to claim 1 ,wherein the binding resin is selected from among (meth)acrylic, vinylic, ketonic, hydroxyaromatic, cellulosic, styrenic, epoxy, polyurethane, styrene-acrylate, alkoxysilane, ester resins, and combinations of two or more of the latter.3. The ink composition according to claim 1 , wherein the binder represents from 0.1 to 50% by weight of the total weight of the ink composition.4. The ink composition according to claim 1 , wherein the at least one plasticizer is selected from among thermoplastic polyurethanes claim 1 , phthalates claim 1 , adipates claim 1 , esters claim 1 , alkyl phosphates claim 1 , glycerol claim 1 , lactic acid claim 1 , oleic acid claim 1 , polypropylene glycol claim 1 , triglycerides of fatty acids claim 1 , levulinic acid; carbamates or carbamic resins; and mixtures thereof.5. The ink composition according to ...

COMPOSITION FOR SINTERING, METHOD FOR PRODUCING SILVER NANOPARTICLES, CIRCUIT BOARD, AND METHOD FOR MANUFACTURING CIRCUIT BOARD

An object of the present invention is to provide a composition for sintering capable of suppressing a crack from occurring in a wiring after sintering. Provided is the composition for sintering including silver nanoparticles, an organic dispersant for coating the silver nanoparticles, and a solvent. When the composition for sintering is heated, a weight loss rate in a range of 260° C. to 600° C. is 2.92% or less. 1. A composition for sintering , comprising:silver nanoparticles;an organic dispersant for coating the silver nanoparticles; anda solvent, whereinwhen the composition for sintering is heated, a weight loss rate in a range of 260° C. to 600° C. is 2.92% or less.2. The composition for sintering according to claim 1 , wherein a maximum value of particle size distribution of the silver nanoparticles is 250 nm or less.3. The composition for sintering according to claim 1 , wherein a maximum value of particle size distribution of the silver nanoparticles is 200 nm or less.4. The composition for sintering according to claim 1 , wherein the weight loss rate is 2.46% or less.5. The composition for sintering according to claim 1 , wherein a boiling point of the solvent is less than 260° C.6. The composition for sintering according to claim 1 , wherein a minimum value of particle size distribution of the silver nanoparticles is 50 nm or less.7. The composition for sintering according to claim 6 , wherein the minimum value of particle size distribution of the silver nanoparticles is 10 nm or less.8. The composition for sintering according to claim 1 , wherein when the composition for sintering is subjected to differential thermal analysis claim 1 , no exothermic peak appears at 350° C. to 500° C.9. The composition for sintering according to claim 8 , wherein when the composition for sintering is measured by a differential thermal analyzer claim 8 , two exothermic peaks appear in a range of 200° C. to 300° C.10. The composition for sintering according to claim 9 , ...

MOLECULAR INK WITH IMPROVED THERMAL STABILITY

A molecular ink contains a silver carboxylate (e.g. silver neodecanoate), a solvent (e.g. terpineol) and a polymeric binder comprising a polyester, polyimide, polyether imide or any mixture thereof having functional groups that render the polymeric binder compatible with the solvent. Such an ink may have good thermal stability with higher silver carboxylate content. 1. A molecular ink comprising: a silver carboxylate; a solvent; and , a polymeric binder comprising a hydroxyl- and/or carboxyl-terminated polyester.2. The molecular ink according to claim 1 , wherein the silver carboxylate is in the ink in an amount that provides a silver loading in the ink of about 24 wt % or more claim 1 , based on total weight of the ink.3. A molecular ink comprising: a silver carboxylate in an amount that provides a silver loading in the ink of about 24 wt % or more claim 1 , based on total weight of the ink; a solvent; and claim 1 , a polymeric binder comprising a polyester claim 1 , polyimide claim 1 , polyether imide or any mixture thereof having functional groups that render the polymeric binder compatible with solvent.4. The molecular ink according to claim 3 , wherein polymeric binder comprises a hydroxyl- and/or carboxyl-terminated polyester.5. The ink according to claim 1 , wherein the silver carboxylate comprises silver neodecanoate.6. The ink according to claim 5 , wherein the silver neodecanoate is present in the ink in an amount of about 60 wt % or more claim 5 , based on total weight of the ink.7. The ink according to claim 5 , wherein the silver neodecanoate is present in the ink in an amount of about 80 wt % or more claim 5 , based on total weight of the ink.8. The ink according to claim 1 , wherein the polymeric binder is present in an amount of about 0.5 wt % to about 3 wt % claim 1 , based on total weight of the ink.9. The ink according to claim 1 , wherein the solvent comprises a terpene alcohol.10. The ink according to claim 1 , wherein the solvent comprises a ...

METHOD OF FINISHING A METALLIC CONDUCTIVE LAYER

A process for finishing a conductive metallic layer (e.g. a layer of copper metal) involves coating a molecular silver ink on the conductive metallic layer and decomposing the silver ink to form a solderable coating of silver metal on the conductive metallic layer. The molecular silver ink includes a silver carboxylate, a carrier and a polymeric binder. The process is additive and enables the cost-effective formation of a silver metal finish on conductive metallic layers, which both protects the conductive metallic layer from oxidation and further corrosion and allows soldering with lead and lead-free solders. 1. A process for finishing a conductive metallic layer , the process comprising: coating a molecular silver ink on the conductive metallic layer , the molecular silver ink comprising a silver carboxylate , a carrier and a polymeric binder; and , decomposing the silver ink to form a solderable coating of silver metal on the conductive metallic layer.2. A process for soldering on a conductive metallic layer , the process comprising: coating a molecular silver ink on a conductive metallic layer , the molecular silver ink comprising a silver carboxylate , a carrier and a polymeric binder; decomposing the silver ink to form a solderable coating of silver metal on the conductive metallic layer; and , applying a solder to the solderable silver metal coated on the conductive metallic layer to form a solder joint with the silver metal.3. The process according to or , wherein the conductive metallic layer comprises copper , gold , tin , palladium , aluminum or an alloy thereof.4. The process according to any one of to , wherein the polymeric binder comprises polyester , polyimide , polyether imide , polyether or any mixture thereof.5. The process according to any one of to , wherein the polymeric binder comprises functional groups that render the polymeric binder compatible with the carrier.6. The process according to any one of to , wherein the polymeric binder ...

THICK FILM RESISTOR AND PRODUCTION METHOD FOR SAME

An object of the present invention is to provide a thick film resistor excluding a toxic lead component from a conductive component and glass and having characteristics equivalent to or superior to conventional resistors in terms of, in a wide resistance range, resistance values, TCR characteristics, current noise characteristics, withstand voltage characteristics and the like. The present invention is a thick film resistor formed of a fired product of a resistive composition, wherein the thick film resistor contains ruthenium-based conductive particles containing ruthenium dioxide and a glass component being essentially free of a lead component and has a resistance value in the range of 100 Ω/□ to 10 MΩ/□ and a temperature coefficient of resistance within ±100 ppm/° C. 1. A thick film resistor comprising a fired product of a resistive composition , wherein the thick film resistor comprises ruthenium-based conductive particles containing ruthenium dioxide and a glass component being essentially free of a lead component; the glass component contains at least a first glass component and a second glass component having a glass transition point that is higher than the first glass component; and the thick film resistor has a sea-island structure in which the second glass component is scattered in a matrix of the first glass component so as to form islands , and has a resistance value in a range of 100 Ω/□ to 10 MΩ/□ and a temperature coefficient of resistance within ±100 ppm/° C.2. The thick film resistor according to claim 1 , wherein the thick film resistor has a resistance value in a range of 1 kΩ/□ to 10 MΩ/□.3. The thick film resistor according to claim 2 , wherein the thick film resistor has a resistance value in a range of 10 kΩ/□ to 10 MΩ/□.4. The thick film resistor according to claim 3 , wherein the thick film resistor has a resistance value in a range of 100 kΩ/□ to 10 MΩ/□.5. The thick film resistor according to claim 4 , wherein the thick film resistor has a ...

Flexible positive temperature coefficient sheet and method for making the same

A flexible sheet of positive temperature coefficient (PTC) material formed of a polymer resin and a conductive filler, the sheet of PTC material having a thickness in a range of 10 μm to 100 μm. A method for forming the flexible sheet of positive temperature coefficient material may include preparing a PTC ink from a polymer resin, a conductive filler, and a solvent, applying the PTC ink to a substrate, pulling a blade over the PTC ink to create a uniformly thick layer of the PTC ink on the substrate, and allowing the PTC ink to dry so that the solvent evaporates and leaves a solid layer of PTC material on the substrate.

ORGANIC SEMICONDUCTOR COMPOSITIONS

The present invention relates to organic copolymers and organic semiconducting compositions comprising these materials, including layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof. The invention has application in the field of printed electronics and is particularly useful as a semiconducting material for use in formulations for organic thin film transistor (OTFT) backplanes for displays, integrated circuits, organic light emitting diodes (OLEDs), photodetectors, organic photovoltaic (OPV) cells, sensors, memory elements and logic circuits. 2. A PAHC according to claim 1 , comprising at least 20 to 40% of monomer (A) and at least 60 to 80% of monomer (B) claim 1 , based on the total of all monomer units (A) and (B) in the copolymer.3. A PAHC according to claim 1 , wherein monomer unit (B) having the claim 1 , Ar claim 1 , Arand Ar claim 1 , which may be the same or different claim 1 , each representing claim 1 , independently if in different repeat units claim 1 , an optionally substituted Caromatic group (mononuclear or polynuclear) claim 1 , wherein at least one of Ar claim 1 , Arand Aris substituted with at least one or more polar or polarising group claim 1 , and n=1 to 20.4. A PAHC according to claim 3 , wherein Ar claim 3 , Arand Arare all phenyl which may be independently substituted with 1 or 2 groups selected from methoxy claim 3 , cyanomethyl claim 3 , CN and mixtures thereof claim 3 , and n=1 to 10.7. A PAHC according to claim 6 , comprising at least 20 to 40% of monomer (A) and at least 60 to 80% of monomer (K) claim 6 , based on the total of all monomer units (A) and (K) in the copolymer.8. A PAHC according to claim 6 , wherein at least one of R claim 6 , R claim 6 , R claim 6 , R is a polar group or polarising group claim 6 , and n=1 to 20.9. A PAHC according to claim 8 , wherein one or 2 of the groups R ...

FORMULATIONS WITH A LOW PARTICLE CONTENT

The present invention relates to formulations comprising at least one organic semiconductor and at least one organic solvent, characterized in that the formulation contains less than 10,000 particles per liter formulation having an average size in the range from 0.1 to 20 μm, to their use for the preparation of electronic devices, to methods for preparing electronic devices using the formulations of the present invention, and to electronic devices prepared from such methods and formulations. 120.-. (canceled)21. A formulation comprising one or more organic semiconducting materials and one or more organic solvents , wherein it contains less than 10 ,000 particles per liter formulation having an average size in the range from 0.1 to 20 μm.22. The formulation according to claim 21 , wherein it contains less than 1 claim 21 ,000 particles per liter formulation having an average size in the range from 0.2 to 20 μm.23. The formulation according to claim 21 , wherein it contains less than 100 particles per liter formulation having an average size in the range from 0.5 to 20 μm.24. The formulation according to claim 21 , wherein it contains less than 10 metallic and/or electronically conducting particles per liter formulation having an average size in the range from 0.1 to 20 μm.25. The formulation according to claim 21 , wherein the organic semiconducting material is a polymer having a molecular weight Mof >5 claim 21 ,000 g/mol.26. The formulation according to claim 21 , wherein the organic semiconducting material is a low molecular weight material having a molecular weight of ≦5 claim 21 ,000 g/mol.27. The formulation according to claim 21 , wherein the organic semiconducting material is selected from a hole injecting claim 21 , hole transporting claim 21 , electron blocking claim 21 , light emitting claim 21 , hole blocking claim 21 , electron transporting claim 21 , electron injecting and dielectric absorber material.28. The formulation according to claim 21 , wherein ...

Low-haze transparent conductors

This disclosure is related to low-haze transparent conductors, ink compositions and method for making the same.

METHOD FOR PRODUCING SILVER NANOWIRES INK, SILVER NANOWIRES INK, AND TRANSPARENT CONDUCTIVE COATED FILM

A method for producing a silver nanowires ink comprises adding a viscosity modifier and a water-soluble acrylic-urethane copolymer resin to an aqueous solvent or a mixed solvent of water and an alcohol having silver nanowires dispersed therein. The content of the water-soluble acrylic-urethane copolymer resin with respect to the total amount of the silver nanowires ink may be from 0.05 to 2.0% by mass. The content of silver with respect to the total amount of the silver nanowires ink is preferably from 0.05 to 1.0% by mass. The content of the viscosity modifier with respect to the total amount of the silver nanowires ink is preferably from 0.01 to 1.0% by mass. The viscosity of the silver nanowires ink is preferably controlled to a range of from 1 to 100 mPa·s. The method provides a transparent conductive coated film that is excellent in conductivity, light transmissibility, haze characteristics, and adhesiveness. 1. A method for producing a silver nanowires ink , comprising adding a viscosity modifier and a water-soluble acrylic-urethane copolymer resin , to an aqueous solvent or a mixed solvent of water and an alcohol having silver nanowires dispersed therein.2. The method for producing a silver nanowires ink according to claim 1 , wherein the content of the water-soluble acrylic-urethane copolymer resin with respect to the total amount of the silver nanowires ink is from 0.05 to 2.0% by mass.3. The method for producing a silver nanowires ink according to claim 1 , wherein the content of silver with respect to the total amount of the silver nanowires ink is from 0.05 to 1.0% by mass.4. The method for producing a silver nanowires ink according to claim 1 , wherein the content of the viscosity modifier with respect to the total amount of the silver nanowires ink is from 0.01 to 1.0% by mass.5. The method for producing a silver nanowires ink according to claim 1 , wherein the silver nanowires ink has a viscosity of 1 to 100 mPa·s.6. The method for producing a silver ...

HYBRID NANOSILVER/LIQUID METAL INK COMPOSITION AND USES THEREOF

The present disclosure is directed to a hybrid conductive ink including: silver nanoparticles and eutectic low melting point alloy particles, wherein a weight ratio of the eutectic low melting point alloy particles and the silver nanoparticles ranges from 1:20 to 1:5. Also provided herein are methods of forming an interconnect including a) depositing a hybrid conductive ink on a conductive element positioned on a substrate, wherein the hybrid conductive ink comprises silver nanoparticles and eutectic low melting point alloy particles, the eutectic low melting point alloy particles and the silver nanoparticles being in a weight ratio from about 1:20 to about 1:5; b) placing an electronic component onto the hybrid conductive ink; c) heating the substrate, conductive element, hybrid conductive ink and electronic component to a temperature sufficient i) to anneal the silver nanoparticles in the hybrid conductive ink and ii) to melt the low melting point eutectic alloy particles, wherein the melted low melting point eutectic alloy flows to occupy spaces between the annealed silver nanoparticles, d) allowing the melted low melting point eutectic alloy of the hybrid conductive ink to harden and fuse to the electronic component and the conductive element, thereby forming an interconnect. Electrical circuits including conductive traces and, optionally, interconnects formed with the hybrid conductive ink are also provided. 1. An electronic circuit , comprising:a substrate for supporting the electronic circuit; anda conductive trace for interconnecting a plurality of electronic components dispersed on the electronic circuit,wherein the conductive trace comprises at least one bonding pad for interconnecting at least one of the plurality of electronic components to the conductive trace, andwherein the conductive trace comprises a hybrid conductive ink comprising a eutectic low melting point alloy and annealed silver nanoparticles, wherein said eutectic low melting point alloy ...

ELECTROSTATIC INK COMPOSITIONS

Disclosed herein is an electrostatic ink composition. The composition may comprise a carrier liquid, which has suspended therein: thermochromic pigment particles having a layer of thermoplastic resin thereon. Method for forming electrostatic ink composition and a substrate having the electrostatic ink composition printed thereon are also disclosed herein. 1. An electrostatic ink composition comprising:a carrier liquid, which has suspended therein:thermochromic pigment particles having a layer of thermoplastic resin thereon.2. The electrostatic ink composition according to claim 1 , wherein the carrier liquid has suspended therein a charge director.3. The electrostatic ink composition according to claims 1 , wherein the thermoplastic resin comprises a polymer having acidic side groups.4. The electrostatic ink composition according to claims 3 , wherein the polymer having acidic side groups has a melt flow rate of at least 100 g/10 min.5. The electrostatic ink composition according to claims 4 , wherein the polymer having acidic side groups and having a melt flow rate of at least 100 g/10 min is a co-polymer formed from the polymerisation of ethylene and methacrylic acid.6. The electrostatic ink composition according to claim 1 , wherein the thermochromic pigment comprises a colour former claim 1 , a colour developer and a solvent encapsulated within a polymeric shell.7. A method of producing an electrostatic ink composition claim 1 , the method comprising:providing a carrier liquid having suspended or dissolved therein a thermoplastic resin and a thermochromic pigment;effecting precipitation of the thermoplastic resin onto the thermochromic pigment.8. The method according to claim 7 , wherein the precipitation is effected by temperature reduction.9. The method according to claim 8 , wherein the temperature reduction is carried out at a cooling rate of less than or equal to 50° C./hour.10. The method according to claim 8 , wherein the carrier liquid and thermoplastic ...

CONDUCTIVE COMPOSITION FOR MOLDED FILM, MOLDED FILM, MOLDED ARTICLE, AND METHOD FOR PRODUCTION THEREOF

Provided is a conductive composition for molded film that enables production of a molded film for which tensile force-induced reductions in conductivity are suppressed. The conductive composition for molded film contains a resin (A), conductive fine particles (B), and a solvent (C), wherein the solvent (C) contains, in 100 parts by mass of the solvent (C), at least 40 parts by mass of a solvent (C′) that satisfies the following condition (1) and condition (2). (1) A boiling point of 180° C. to 270° C. (2) At least one of the following is satisfied: the polar parameter δp of the Hansen solubility parameter (HSP) is 0≤δp≤5.0, and the hydrogen-bond parameter δh of the Hansen solubility parameter (HSP) is 9.8≤δh≤4.0. 1. A conductive composition for molded film , comprising: a resin (A) , conductive fine particles (B) , and a solvent (C) ,wherein the solvent (C) comprises, in 100 parts by mass of the solvent (C), 40 parts by mass or more of a solvent (C′) that satisfies the following condition (1) and at least one of conditions (2-1) and (2-2):(1) a boiling point is 180° C. or higher and 270° C. or lower(2-1) a polar parameter δp of a Hansen solubility parameter (HSP) is 0≤δp≤5.0(2-2) a hydrogen-bond parameter δh of the Hansen solubility parameter (HSP) is 9.8≤δh≤24.0.2. The conductive composition for molded film according to claim 1 , wherein the solvent (C′) further satisfies the following condition (2-3):(2-3) a dispersion parameter δd of the Hansen solubility parameter (HSP) is 14.0≤δd≤20.0.3. The conductive composition for molded film according to claim 1 , wherein the conductive fine particles (B) comprise one or more types of conductive fine particles selected from silver powder claim 1 , copper powder claim 1 , silver-coated powder claim 1 , copper alloy powder claim 1 , conductive oxide powder claim 1 , and carbon fine particles.4. The conductive composition for molded film according to claim 1 , wherein the resin (A) comprises one or more types of substituents ...