Abstract: An electrical field is generated between an application device and an object to be coated. At least one corona electrode associated with the application device is connected to ground, and at least one counter electrode associated with the object is connected at least at intervals to a positive potential. A system for electrostatically coating objects having an application device coating material, and an electrical field device having a high-voltage source which generates an electrical field between the application device and an object to be coated. The field device comprises at least one corona electrode associated with the application device, and at least one counter electrode associated with the object, wherein, during the operation of the device, the at least one corona electrode is connected to ground, and the at least one counter electrode is connected at least at intervals to a positive potential.

Abstract: The present invention is directed towards novel sulfonic acid esters as catalysts for crosslinking of polymers having hydroxyl, carboxyl, and amide functional groups with a crosslinking agent and resin compositions containing the same. The present invention provides polymeric film coatings which have superior hardness, impact resistance, adhesion, improved blister resistance, salt spray characteristics and flexibility. These catalysts are especially effective in coil primer formulations containing calcium ion exchange anticorrosive pigments, where traditional blocked acid catalysts are ineffective.

Abstract: The present invention concerns a print medium for inkjet printing and a method of producing such a print medium. In particular, the present invention is directed to a print medium comprising a base layer having a first side and a reverse side, an absorptive layer being in contact with the first side of the base layer, and a topcoat being in contact with the absorptive layer.

Abstract: The invention relates to a reaction product UA of at least one cyclic urea U and at least one multifunctional aldehyde A which reaction product has as substituents on the carbonyl carbon atoms of the aldehyde A at least one kind of functional groups selected from the group consisting of hydroxyl groups —OH and alkoxy groups —OR characterised in that the groups —OR comprise at least two kinds of alkoxy groups —OR1 and —OR2, where R1 and R2 are both selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, where R1 and R2 may be the same or may be different from each other, to a process of making these, and to a method of use as crosslinker in coating compositions.

Abstract: Well treatment particulates are coated with polyionic material and a composite is formed comprising multiple layers of polyelectrolyte, each layer composed of polyionic material counter to the polyionic material of the polyelectrolyte layer to which it is adjacent.

Abstract: Technologies are generally described for a membrane that may incorporate a graphene layer perforated by a plurality of nanoscale pores. The membrane may also include a gas sorbent that may be configured to contact a surface of the graphene layer. The gas sorbent may be configured to direct at least one gas adsorbed at the gas sorbent into the nanoscale pores. The nanoscale pores may have a diameter that selectively facilitates passage of a first gas compared to a second gas to separate the first gas from a fluid mixture of the two gases. The gas sorbent may increase the surface concentration of the first gas at the graphene layer. Such membranes may exhibit improved properties compared to conventional graphene and polymeric membranes for gas separations, e.g., greater selectivity, greater gas permeation rates, or the like.

Abstract: Apparatus and method for producing electrically conducting nanostructures by means of electrospinning, the apparatus having at least a substrate holder (1), a spinning capillary (2), connected to a reservoir (3) for a spinning liquid (4) and to an electrical voltage supply (5), an adjustable movement unit (6, 6?) for moving the spinning capillary (2) and/or the substrate holder (1) relative to one another, an optical measuring device (7) for monitoring the spinning procedure at the outlet of the spinning capillary (2), and a computer unit (8) for controlling the drive of the spinning capillary (2) relative to the substrate holder (1) in accordance with the spinning procedure.

Abstract: A system for separating components of a fluid containing at least a first component and a second component includes a device having an inlet for introducing the fluid into the device, a first outlet for directing the first component of the fluid from the device, and a second outlet for directing the second component of the fluid from the device. A material that has a gradient in properties is located in the device between the inlet and the first and second outlets. The material has a first portion with an affinity for the first fluid component and a second portion with an affinity for the second fluid component. The first portion is positioned with relation to the first outlet such that the first component is directed from said device through the first outlet. The second portion is positioned with relation to the second outlet such that the second component is directed from the device through the second outlet.

Abstract: This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R1—OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, —CO—NH— groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where R1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.

Abstract: A gas barrier film comprising a resin substrate provided thereon at least one layer of a ceramic film, wherein the density ratio Y (=?f/?b) satisfies 1?Y?0.95 and the ceramic film has a residual stress being a compression stress of 0.01 MPa or more and 100 Mpa or less, wherein ?f is the density of the ceramic film and ?b is the density of a comparative ceramic film being formed by thermal oxidation or thermal nitridation of a metal as a mother material of the ceramic film so as to being the same composition ratio of the ceramic film.

Abstract: Disclosed is a composition containing an ester compound represented by formula (1), which composition is electrostatically sprayed to pests or to a place where the pests inhabit.

Abstract: Apparatus and method for electrostatic charging of a container for an electrostatic coating operation includes a support member for supporting a container during an electrostatic coating operation with the support member comprising a non-metallic conductive material or electrically semiconductive portion that directly contacts a surface of the container. The electrically semiconductive portion comprises non-metallic, resistive or low conductivity material and is coupled to a source of electrical energy such that the container is electrostatically charged to an opposite polarity to offset or reduce electrostatic charge build up produced by the electrostatic coating operation.

Abstract: Embodiments of the invention are directed to yellow-to-transmissive conjugated polymers, a method to prepare the yellow conjugated polymers, the use of the yellow conjugated polymers in an electrochromic and/or electroluminescent device comprising neutral state primary subtractive colored conjugated polymers, and a method to prepare the device comprising the yellow conjugated polymer. The yellow conjugated polymers comprise a sequence of dioxythiophene units alternating with aromatic units, thiophene units, furan units, and/or pyrrole units. The yellow conjugated polymers are prepared by cross-condensation reactions. The yellow conjugated polymers can be soluble and preparation of the device involves deposition of the yellow conjugated polymer from solution onto a surface.

Abstract: A porous discriminating layer is formed on a ceramic support having at least one porous wall by (a) establishing a flow of a gas stream containing agglomerates of particles and (b) calcining said deposited layer to form the discriminating layer. At least a portion of the particles are of a sinter-resistant material or a sinter-resistant material precursor. The particles have a size from 0.01 to 5 microns and the agglomerates have a size of from 10 to 200 microns. This method is an inexpensive and effective route to forming a discriminating layer onto the porous wall.

Abstract: An environmental friendly process for manufacturing and recycling a painted plastic product includes several steps: (a) selecting an engineering material, (b) applying the engineering material to a mold for forming a crude product via an injection molding method or a compression molding method, (c) tuning an ambient temperature below 160 Celsius degrees, and spraying a thermosetting powdered paint to coat on the crude product directly by an electrostatic gun so as to form an unfinished product, (d) putting the unfinished product into an oven, and baking the unfinished product for 10 to 15 minutes so as to form the painted plastic product. Under this arrangement, when said steps are applied, the engineering material is molded, sprayed with the thermosetting powdered paint, and baked so as to form the painted plastic product without an introduction of the chemical pretreatment steps.

Abstract: A method for producing a gloss watermark includes depositing a heat-softenable marking material onto a receiver. A heatable fixing member is surfaced in a selected region so that the surface roughness of the fixing member in the selected region is different than the surface roughness of the fixing member outside the selected region. The surfaced fixing member is heated. After the deposition step, pressure is applied to the marking-material-bearing portion of the receiver using the heated fixing member, so that the marking material flows and acquires a gloss in a differentiated region on the receiver corresponding to the selected region of the fixing member that is different than the gloss of the marking material outside the differentiated region to create the gloss watermark on the surface of the marking material.

Abstract: A method for coating an uncoated or precoated metallic or plastics substrate by (a) applying an aqueous coating composition (W) whose constituents are free or substantially free from blocked isocyanate groups, which comprises an aqueous dispersion of an epoxide-amine adduct, and which comprises either no crosslinking agent or one or more nonblocked polyisocyanate crosslinking agents, to the substrate, (b) optionally applying one or more further coating compositions, and (c) curing the coating composition (W) and, where appropriate, the further coating composition(s) at temperatures of below 90° C.

Abstract: The instant disclosure describes methods for preparing latex resins for coated carriers using surfactant partitioning, which resins exhibit both lower ? potential and greater latex stability, while not adversely affecting particle size, toner charge or other metrics.

Abstract: Novel chromatographic materials for chromatographic separations, columns, kits, and methods for preparation and separations with a superficially porous material comprising a substantially nonporous core and one or more layers of a porous shell material surrounding the core. The material of the invention is comprised of superficially porous particles and a narrow particle size distrution.

Abstract: Filtration membrane comprising polymeric nanofibers and/or microfibers attaching dendrimer component presenting reactive sites selective for chemicals to be filtered, and related nanofibers and microfibers, composite materials, compositions, methods and system.

Abstract: The present technology provides a bisphenol A capture system for food and beverage containers which include BPA-containing coatings. The capture system is made of one or more materials which bind any BPA eluting from the BPA-containing coating. The present capture system therefore reduces or prevents BPA from migrating from the can coating into the food or beverages stored in the can. The present technology further provides methods of manufacturing and using such coatings.

Abstract: A method for producing nanocomposite particles is provided. The method comprises supplying an organic phase fluid an organic phase fluid, an aqueous phase fluid, an amphiphile, and a plurality of hydrophobic nanospecies to a nozzle. An electric field is generated proximate the nozzle such that the fluid exiting the nozzle forms a cone jet that disperses into a plurality of droplets. The plurality of droplets are collected, and nanocomposite particles comprising a self-assembled structure encapsulating at least one hydrophobic nanospecies form by self-assembly.

Abstract: A process for mask-free localized grafting of organic molecules capable of being electrically activated, onto a composite surface comprising conductive and/or semiconductive portions, by placing said organic molecules in contact with said composite surface, in which said grafting is performed electrochemically in a single step on chosen, defined areas of said conductive and/or semiconductive portions, said areas being brought to a potential higher than or equal to a threshold electrical potential determined relative to a reference electrode, said threshold electrical potential being the potential above which grafting of said organic molecules takes place.

Abstract: The invention relates to a method for priming a substrate by contacting the substrate with a primer fed from a primer source and depositing the primer on the substrate. Compared to other priming methods, the claimed priming gives better results because the deposition is carried out electrostatically.

Abstract: New ampholyte biomaterial compounds containing ampholyte moieties are synthesized and integrated into polymeric assemblies to provide hydrophilic polymers exhibiting improved biocompatibility, haemocompatibility, hydrophilicity non-thrombogenicity, anti-bacterial ability, and mechanical strength, as well as suitability as a drug delivery platform.

Abstract: A low conductivity is provided to a coating surface 21 of a non-conductive coating target 20, and the coating surface 21 is coated with a charged paint while free ions are suppressed.

Abstract: An applying liquid is applied to a first electrode by ejecting from a nozzle the applying liquid including a raw material for forming an elecromechanical transducer film, and a film of the applying liquid applied onto the first electrode is dried. The dried film is thermally decomposed and crystallized. At this time, a voltage is applied to an accompanying droplet collecting electrode for collecting a small accompanying droplet accompanying a chief droplet. The accompanying droplet is electrostatically attracted and collected by the accompanying droplet collecting electrode before reaching the first electrode. At this time, the voltage is applied to the accompanying droplet collecting electrode by the voltage applying part after a predetermined period of time has elapsed from when a droplet of the applying liquid has been ejected from the nozzle.

Abstract: Multiplexed electrospray deposition apparatus capable of delivering picoliter volumes of one or more substances is disclosed. The apparatus may include a unitary planar dispenser etched from a silicon wafer through microfabrication or micromachining technology. The apparatus may be used as a deposition tool for making protein microarrays in a noncontact mode. Upon application of potential difference in the range of 7-9 kV, the substances may be dispensed directly, not through a collimating mask, onto a substrate with microhydrogel features functionalized with an anchoring agent.

Abstract: The present invention relates to a method for forming a raised conductive image on a non-conductive or dielectric surface, the method comprising placing a metal coordination complex on a surface of the substrate, exposing the surface to electromagnetic radiation, reducing the exposed complex. removing unexposed complex leaving an elemental metal image, removing unexposed metal complex and then plating the resulting elemental metal image with a highly conductive material.

Abstract: A method and apparatus for forming lithium-ion batteries and battery cell components, and more specifically, to a system and method for fabricating such batteries and battery cell components using deposition processes that form three-dimensional porous structures are provided. One method comprises texturing a conductive substrate by calendering the conductive substrate between opposing wire mesh structures, forming a first layer of cathodically active material having a first porosity on the surface of the textured conductive substrate, and forming a second layer of cathodically active material having a second porosity on the first layer, wherein the second porosity is greater than the first porosity.

Abstract: An eco-friendly process for coating a plastic product includes several steps: (a) adding a conducting material to a thermoplastic material, (b) mixing the conducting material and the thermoplastic material homogeneously, and then molding into a product (c) spraying charged paint uniformly on the product (d) baking the painted product in ambient temperature atmosphere. Under this arrangement, plastic product made of different material could be produced without pre-treatment.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, an apparatus having a tube with an ingress opening to receive a liquid, and an egress opening to release the liquid, a conductor positioned in a conduit of the tube, the conductor and the conduit having dimensions to cause a surface tension of the liquid to prevent a constant flow of the liquid from the egress opening, and a power supply coupled to the conductor to apply a charge to the liquid to overcome the surface tension and form at the egress opening a single jet stream of the liquid applicable on a substrate to create a pattern. The single jet stream can be controllable in part by a viscosity of the liquid. Additional embodiments are disclosed.

Abstract: Methods and apparatus for depositing polymer films are provided herein. In some embodiments a method for depositing a dielectric film may include flowing a liquid polymer precursor material through an orifice spaced apart from a substrate upon which the liquid polymer precursor material is to be deposited; providing a potential difference between the orifice and the substrate to attract the liquid polymer towards the substrate and form a deposited material on the substrate; and curing the deposited material to form a dielectric film on the substrate.

Abstract: An ultracapacitor includes at least one electrode that includes carbon nanotubes. The carbon nanotubes may be applied in a variety of ways, and a plurality of layers may be included. Methods of fabrication of carbon nanotubes and ultracapacitors are provided.

Abstract: The invention relates to a method for depositing nanometric filamentary structures. The method comprises passing a gaseous phase comprising the nanometric filamentary structures through a space defined between at least two electrodes generating an electric field, for depositing the nanometric filamentary structures on at least one of the electrodes; and at least substantially preventing the deposited nanometric filamentary structures from bridging the electrodes during the deposition. The invention also relates to an apparatus for depositing nanometric filamentary structures as well as to methods and apparatuses for monitoring the production of nanometric filamentary structures.

Abstract: A method for fabricating a photoanode for a dye-sensitized solar cell (DSSC) is provided. The method includes the following steps. A particle colloid is electrospun to form a first electrospun thin film layer on a substrate. The particle colloid includes titanium dioxide nanopartictes, a polymer material, a dispersing agent and a solvent. The first electrospun thin film layer is then sintered to form a main titanium dioxide layer. A photoanode manufactured by the method mentioned above is also provided.

Abstract: There is disclosed unexpanded or pre-expanded polystyrene beads electrostatically coated with a media capable of supporting the growth of bacteria which assist in the decomposition of the polystyrene. There is also disclosed methods of making the beads, a method of making an expanded polystyrene foam and an expanded polystyrene foam prepared by the method.

Abstract: The invention relates to a linear fibre formation comprising nanofibres deposited on a linear fibre core, at the same time the nanofibres are to the core fixed with a coil of at least one covering thread. The invention further relates to a method and a device for production of a linear fibre formation comprising a linear fibre core, on which in a spinning space of an electric field of high intensity the nanofibres produced through electrostatic spinning of polymer matrix are deposited. Through the spinning space of the electric field at least two straight segments of the linear fibre core are guided, between which the core outside the spinning space of electric field is guided at least along a section of circumference of the guiding cylinder, while in projection into a plane being tangential to circumference of the guiding cylinder and passing the respective segment of the core, this segment of the core and longitudinal axis of the guiding cylinder contain an acute angle.

Abstract: An implantable medical device including a plurality of components on a substrate, and a biocompatible multi-layer polymeric coating applied by vapor deposition to conform to and sealingly cover at least a portion of the components and/or the substrate. The coating is applied in at least two pairs of layers, wherein each pair has one layer formed by dissociation of a precursor and then simple deposition of that precursor, and the other layer is formed by at least one of plasma dissociation and excitation of the precursor to form a plasma-enhanced precursor, and then deposition of the plasma-enhanced precursor.

Abstract: The invention relates to a method for priming a substrate by contacting the substrate with a primer fed from a primer source and depositing the primer on the substrate. Compared to other priming methods, the claimed priming gives better results because the deposition is carried out electrostatically.

Abstract: The present invention relates to a method of producing porous metal oxide films on a substrate using template assisted electrostatic spray deposition (ESD). Thereby it is possible to produce both mesoporous and macroporous films which have a predefined pore morphology. In addition hierarchically structured meso- and macroporous films can be produced. The present invention also concerns the produced porous films and their use in catalysis, power storage, sensing and compound separation.

Abstract: A filter media is formed from electrospun fine fibers and coarse fibers which are entangled and integrated together into a single fiber composite filter media layer.

Abstract: A cosmetics applicator includes a material surface (210) and a cosmetic preparation (220) provided on the surface. In one aspect, the cosmetics preparation is retained on the surface at least in part with the assistance of electrostatic attraction between the surface and the cosmetics preparation. In another aspect, a waxy or oily underlay is provided between the surface and the cosmetics preparation, and the material of the surface is selected to facilitate retention of the cosmetics preparation and the underlay while allowing a major proportion of the cosmetics preparation retained thereon to be transferred to a human skin surface in a single wiping pass of the cosmetics preparation across the skin surface.

Abstract: A method for manufacturing an electrode may include (S1) preparing a sol solution containing a metal alkoxide compound, and (S2) forming a porous non-woven coating layer of an inorganic fiber by electroemitting the sol solution onto an outer surface of an electrode active material layer formed on at least one surface of a current collector. The porous non-woven coating layer formed on the outer surface of the electrode active material layer may be made from an inorganic fiber having excellent thermal stability. When an electrochemical device is overheated, the porous non-woven coating layer may contribute to suppression of a short circuit between a cathode and an anode and performance improvement of an electrochemical device due to uniform distribution of pores.

Abstract: An electrospinning method includes providing a nozzle fluidically coupled to a source of polymer ink and providing a substrate adjacent to the nozzle. A first voltage is applied to the nozzle to initiate electrospinning of the polymer ink onto the substrate, wherein the first voltage is within the range of about 400V to about 1000V. The voltage is then reduced to a second, lower voltage wherein the voltage is within the range of about 600V to about 150V.

Abstract: The present invention provides a method for producing a battery electrode having a configuration in which an active material layer containing an active material 22 and a polymer material 24 is retained on a current collector 10, the method comprising a step of applying a paste for forming an active material layer 28 containing the active material 22 and the polymer material 24 in a solvent 26, to the current collector 10, and a step of forming an active material layer on the current collector 10 by drying the applied paste 28. An ionic polymer exhibiting cationic or anionic properties in the paste 28 is used as at least one kind of the polymer material 24, and an electric potential having an opposite polarity to that of the ionic polymer 24 is applied to the current collector 10 after the paste 28 has been applied to the current collector 10.

Abstract: A material is applied to a part. The part is placed in a deposition chamber and a first electric potential is applied to the part. Components are evaporated for forming the material. The evaporated components are ionized. The first electric potential is modulated so as to draw the ionized component to the part. The modulation comprises a plurality of first steps for PA-PVD. Each of the first steps comprises a series of pulses of negative potential. The modulation further comprises a plurality of second steps for PVD alternating with the first steps.

Abstract: A device is provided for applying paints that includes, but is not limited to an apparatus for producing a stream of paint particles, a guide element with a surface for limiting the stream of paint particles in space. The guide element is realized in such a way that an area situated adjacent to its surface for limiting the stream of paint particles in space can be kept free of paint particles.

Abstract: A cylindrical body is produced which is composed of a fiber structure with a basis weight of 1-50 g/m2 and having a diameter of 0.5-50 mm and a bellows-shaped section, wherein the crest-to-crest spacing of the bellows-shaped section is no greater than 2 mm and the crest-to-valley depth of the bellows-shaped section is 0.01-1 mm; collagen is added to the cylindrical body to produce a composite including the cylindrical body and collagen.

Abstract: A method of forming a film of carbon nanotubes on a substrate includes deposition a solution of electrically charged carbon nanotubes on the surface of a substrate, adsorption of the electrically charged carbon nanotubes onto a surface the substrate of opposite electrical charge through dip coating, using a material with a surface electrical charge opposite to that of the electrically charged carbon nanotubes, and formation of a film of carbon nanotubes on the substrate, wherein the film comprises a plurality of electrically charged nanotubes extending in varying orientations but parallel to a facing surface of the substrate.