92results about How to "Improve surface resistivity" patented technology

A panel-type input device including a pair of electrode plates, each electrode plate having a substrate and a conductive coat provided on a surface of the substrate, the conductive coat of each electrode plate being formed from a conducting polymer. The conductive coat of each electrode plate includes a detecting area adapted to detect a touch input and an inoperative area disposed adjacent to the detecting area, the inoperative area having a surface resistivity higher than a surface resistivity of the detecting area. A parallel electrode pair adapted to apply a voltage to the conductive coat is formed in the detecting area, and conductors connected to the parallel electrode pair are formed in the inoperative area. The inoperative area insulates the conductors from the detecting area.

The invention provides a production method of a silver nanowire transparent conductive film. The production method comprises the steps of: preparing a silver nanowire coating liquid, and coating the silver nanowire coating liquid on a base material sheet to obtain a silver nanowire conductive coating; coating an oxide sol on the upper surface of the silver nanowire conductive coating to obtain an oxide protective layer; and forming the silver nanowire transparent conductive film on the base material sheet after baking and curing. The transmittance of the silver nanowire transparent conductive film prepared by adopting the method can reach 85 to 91%, the haze of the same is less than or equal to 2%, the surface resistivity of the same ranges from 10 to 200ohm/sq, and the surface hardness of the same ranges from 6 to 8H.

The invention relates to a strong-pressure resisting water-based insulting paint for electric steel and a preparation method thereof. The strong-pressure resisting water-based insulting paint can be prepared by the following steps of: mixing 10-40 percent by weight of water-borne acrylic resin, 2-20 percent by weight of water-borne amine resin, 30-60 percent by weight of pigment, 0-10 percent by weight of addition agent, 0.1-5 percent by weight of catalyst, 0-5 percent by weight of corrosion inhibitor and 1-30 percent by weight of deionized water; and grinding the mixture in a sand mill until the fineness is below 15 micrometers and packaging. The components have no chromate and toxic and harmful ingredients, so that the strong-pressure resisting water-based insulting paint is environment-friendly; the prepared paint is coated on the surface of the electric steel and forms a protective layer with strong adhesion performance after being subjected to high-temperature braking and curing; and the protective layer has the advantages of very high surface resistivity, excellent corrosion resistance and very high strong pressure resistance and creep resistance.

The present invention provides a transparent conductive film having: a transparent base film; a transparent SiO_x thin film having a thickness of from 10 to 100 nm, a refractive index of from 1.40 to 1.80 and an average surface roughness Ra of from 0.8 to 3.0 nm, wherein x is from 1.0 to 2.0; and a transparent conductive thin film including an indium-tin complex oxide, which has a thickness of from 20 to 35 nm and a ratio of SnO₂/(In₂O₃+SnO₂) of from 3 to 15 wt %, wherein the transparent conductive thin film is disposed on one side of the transparent base film through the transparent SiO_x thin film.

The invention discloses a semi-inorganic environment-friendly insulating paint for non-oriented silicon steel and a coating preparation method thereof, and belongs to the technical field of non-oriented silicon steel paint. The semi-inorganic environment-protecting insulating paint for the non-oriented silicon steel is prepared by the following components by mass percent: 5-40% of aluminum dihydrogen phosphate, 0.5-10% of manganese dihydrogen phosphate, 1-12% of zinc dihydrogen phosphate, 0.5-1.5% of zinc oxide, 0.1-1% of magnesium oxide, 1.0-7% of boric acid, 5.0-27% of resin, 2.0-6.0% of organic solvent, 0.1-0.8% of other auxiliaries, and the balance of water. The paint is an environment-friendly paint free from chromium; at the same time, the coating is uniform in brightness, better in corrosion resistance than the ordinary phosphate coating, and good in insulation, adhesiveness, punching, weldability, heat resistance and corrosion resistance. In addition, the source of the semi-inorganic environment-friendly insulating paint for the non-oriented silicon steel is rich, so that the production cost is low, and the paint can be widely applied.

The invention relates to an insulating paint of non-oriented silicon steel and discloses an insulating paint of semi-inorganic environmental non-oriented silicon steel insulating paint and an application thereof. The paint of the invention comprises the following components by weight percent: 5-20% of magnesium isopropylate, 5-25% of polyurethane-acrylate-ethylene oxide resin, 5-40% of aluminium dihydrogen phosphate, 5-10% of zinc acetate, 11-30% of colloidal silica, 1-5% of non-ionic surface active agent and the balance deionized water. The insulating paint of semi-inorganic environmental non-oriented silicon steel insulating paint of the invention can not only completely eliminate the environmental problem caused by chromium element, but also ensure that all the performances of the paintsuch as uniformity, corrosion resistance, heat resistance, weldability and the like are good.

A method for patterning a light transmitting electrically conductive member uses a light transmitting laminate material in which an electrically conductive layer including an overcoat layer and silver nanowires embedded therein is formed on a surface of a light transmitting base film and includes a step of treating a surface of the electrically conductive layer which is not covered with a resist layer using an iodine solution to at least partially iodize the silver nanowires and a step of applying a thiosulfate solution to the surface of the electrically conductive layer which is not covered with the resist layer to remove a silver iodide exposed to a surface of the overcoat layer. Since a white cloudy or a whitened silver iodide is removed, the optical transmission characteristics of the non-electrically conductive region can be improved.

The invention discloses a chloroethylene-vinyl acetate copolymer and the preparing method. The method comprises: converting the side group of chloroethylene-vinyl acetate copolymer into hydroxylated chloroethylene-vinyl acetate copolymer, then making it react with toluene diisocyanate and getting chloroethylene-vinyl acetate copolymer containing active toluene isocyanate group. The invention is characterized by high toughness, anti-corrosion, strong viscosity and low flammability, which are resulted from chloroethylene-vinyl acetate copolymer, and the introduction of isocyanate group increases the reaction activity, adhesive ability and hardness for chloroethylene-vinyl acetate copolymer, especially increases the compatibility, which enables it to react with more matter containing active hydrogen group and modify these matter. The invention is widely used as protective coating and anticorrosive paint for paper, metal and construction material, or used as single-component adhesives containing active isocyanate group, and as modifying agent for other matter's chemical and physical property.

The present invention provides a method for measuring an implantation depth of an impurity injected into a wafer by an ion implantation device, using a measurement device and monitoring whether the measured implantation depth of impurity falls within an allowable range, comprising the steps of using, as a measuring wafer, a wafer having an insulating film and an Si layer formed on the insulating film with a thickness of a 1000 Å unit or less; implanting the impurity in the measuring wafer from above the surface of the Si layer, corresponding to a main surface of the measuring wafer and heat-treating the measuring wafer; and measuring surface resistivity of the main surface of the heat-treated measuring wafer by the measurement device and detecting, as an implantation depth of the impurity from the main surface, a concentration peak depth from the main surface, which corresponds to the surface resistivity and at which a concentration of the impurity implanted in the measuring wafer reaches a peak.

Disclosed is a multilayer transfer belt for image-forming devices comprising a base layer (11), an elastic layer (intermediate layer) (12) and a surface layer (9) which has high surface resistivity, excellent toner releasability and excellent antifouling properties. The transfer belt for image-forming devices is characterized in that an elastic layer (12) containing an elastomer and a surface layer (9) composed of a fluorine-containing polymer are arranged on a base layer (11). The elastic layer (12) is preferably made of an ion conductive elastomer. Also disclosed is a transfer belt for image-forming devices further comprising a binder layer (14) between the elastic layer (12) and the surface layer (9) which is characterized in that the melting point of the material constituting the binder layer (14) is not more than the thermal decomposition point of the material constituting the elastic layer (12) and the thermal decomposition point of the material constituting the binder layer (14) is not less than the melting point of the material constituting the surface layer (9).

Provided is a transparent adhesive film having excellent static electric resistant, breaking-resistant and contamination-resistant properties and possible to conduct fluoroscopic examination for defects of liquid crystal polar panel. The transparent film comprises a biaxial drawing transparent film; static electric-resistant layer and breaking-resistant layer laminated on one side of the biaxial film; and removable adhesive layer formed on the other side of the film. The static electric-resistant layer comprises 40-80 wt.% of tin oxide(II) and 60-20 wt.% of polyester resin. The breaking-resistant layer comprises curable resin layer such as thermosetting silicone resin. The adhesive layer comprises two-solution type curable urethane adhesive containing urethane adhesive cross-linked by polyisocyanate cross-linking agent.

Provided is an ink composition having excellent printing properties and capable of forming a thick transparent conductive film with low surface resistivity even when it is used in gravure offset printing or pad printing. The ink composition contains (A) a conductive polymer, (B) a binder, and (C) a conductivity enhancer, wherein the composition has a viscosity at 25° C. of 5 to 500 dPa·s and a solids content of 10% to 80% by weight, and the composition exhibits a surface resistivity of 2000 Ω/sq or lower and a total light transmittance of 70% or higher when applied at a wet film thickness of 15 μm.

The invention discloses a float online method for producing TCO film glass. The method comprises that: a chemical vapor deposition method is adopted in a tin groove of a float glass production line; a proplastid gas mixture containing silane, ethene, phosphine, an oxygenous source and a phosphorus source dopant uses inert gas as a carrier; a shielding film layer with thickness of between 45 and 95 nm and refractive index of between 1.65 and 1.85 is formed on the surface of a glass substrate at a temperature of between 635 and 695 DEG C; and within the temperature range of between 550 and 630 DEG C, the proplastid gas mixture containing a zinc source, an aluminum source, a stabilizing agent and a catalyst prefabricated to be gasified uses nitrogen gas or air as the carrier and is introduced to the movable glass surface deposited with the shielding film layer to form a TCO film with thickness of between 250 and 450 nm and low resistivity. The TCO glass has even film layer, high surface resistivity, high conductivity, good wearing resistance, strong alkali resistance and high conductivity and visible light transmittance.

The invention relates to the technical field of alloy materials, in particular to an antistatic PC-ABS (polycarbonate-acrylonitrile butadiene styrene) alloy material and a preparation method thereof.The antistatic PC-ABS alloy material is prepared from the following raw materials in parts by weight: 60 to 80 parts of PC resin, 20 to 30 parts of ABS resin, 2 to 4 parts of a static conducting agent, 5 to 10 parts of an anti-aging agent, 12 to 18 parts of a toughening modifier, 6 to 9 parts of a lubricant, and 2 to 8 parts of a compatilizer, wherein the static conducting agent adopts graphene with 1 to 20 layers. The antistatic PC-ABS alloy material has the advantages that the surface resistivity can reach 104 ohm, the antistatic property is excellent, the antistatic effect is lasting, and the anti-impact property and tensile strength are good.

A magnetic recording medium comprising: a support; an under layer comprising at least one of a metal and an alloy; and a granular magnetic layer comprising ferromagnetic metal particles and a nonmagnetic oxide, wherein the magnetic recording medium has a surface resistivity of from 1 to 100 Ω/□.

The present invention relates to a process for preparing a shaped composite article comprising a polymer composition and carbon particles being carbon nanotubes or graphene, said polymer composition comprising a mixture of a first polymer and a second polymer, and the composite article comprises from 0.01 to 4% by weight of carbon particles based on the total weight of the composite article as determined according to ISO 11358, characterized in that said process comprises the steps of providing a masterbatch comprising the first polymer and at least 5% of carbon particles by weight of the masterbatch as determined according to ISO 11358, providing the second polymer, and blending and shaping, in the same step, the masterbatch and the second polymer in a single extrusion or injection moulding device to form said shaped composite article.

The invention discloses a high-enthalpy phase-change silicone pad and a preparation method thereof. The silicone pad includes, by mass, vinyl silicone oil 10-25%, paraffin phase-change microcapsules 50-85%, a crosslinker 0.5-5%, a flame retardant 5-15%, a binder 0.5-4%, a diluent 2-6%, a platinum catalyst 0.01-0.04%, and an inhibitor 0.005-0.02%; all the components add to 100% by mass. The silicone pad has a wide phase change range of 25-70 DEG C, is high in phase-change enthalpy of 100-140 J/g, has excellent flexibility and adhesion force, and certain flame-retarding level and insulation effect. The phase-change material has great sealability, can resist cold and hot impact, and is long in service life.

A dual layered intermediate transfer member, such as a belt, that includes a substrate that is coated with a layer of a mixture of a glycoluril resin, and a self crosslinking acrylic resin.

The invention relates to a preparation method of a conductive protection rubber glove. The preparation method comprises the following steps: carrying out rubber impregnation on a glove blank in impregnation rubber slurry containing conductive carbon black; vulcanizing and drying to prepare the conductive protection rubber glove. A glove product prepared according to the method provided by the invention has the electrical resistivity of only 0.1 to 0.4 megohm and the electric conductivity is improved by 1200 to 5000 times; after a user wears the conductive protection rubber glove, the conductive protection rubber glove can be used for operating a touch screen or is adaptive to dustless indoor working.

The present invention provides a dispersed composition containing an ultramarine (A), a black inorganic pigment (B) (excluding carbon black), and a dispersion medium (C), wherein the weight ratio of ultramarine (A)/black inorganic pigment (B) is from 80/20 to 4.3/95.7. As a result, the invention provides a coating film and a colored item having a high surface resistivity (an antistatic effect) and resistance to overheating by sunlight, as well as a coating composition for forming this coating film and colored item, for use in fields such as black matrices for color filters and automotive coating materials.

The subject invention comprises the realization of a superlattice photodiode with polyimide surface passivation. Effective surface passivation of type-II InAs/GaSb superlattice photodiodes with cutoff wavelengths in the long-wavelength infrared is presented. A stable passivation layer, the electrical properties of which do not change as a function of the ambient environment, nor time, can be realized by a solvent-based surface preparation, vacuum desorption, and the application of an insulating polyimide layer.

Provided are a transparent electroconductive thin film of single-walled carbon nanotubes and its production method capable of further enhancing the electroconductivity and the light transmittance of the film and capable of simplifying the thin film formation process. The method comprises: dispersing single-walled carbon nanotubes of mixed metallic single-walled carbon nanotubes (m-SWNTs) and semiconductor single-walled carbon nanotubes (s-SWNTs) in an amine solution containing an amine having a boiling point of from 20 to 400° C. as a dispersant; centrifuging or filtering the resulting dispersion to concentrate m-SWNTs, thereby giving a dispersion rich in m-SWNTs; and applying the resulting dispersion rich in m-SWNTs onto a substrate to form a thin film thereon.

The invention provides a printed circuit board base plate and a preparation method thereof. The base plate comprises the components of bisphenol A benzoxazine, bisphenol A epoxy resin, silicon resin, p-aminophenol triglycidyl epoxy resin, N,N-dimethylformamide, alkali-free glass fiber cloth, triethylamine, silicic acid anhydride, phenol-formaldehyde resin, polyamide polyamine epichlorohydrin, methylbenzene, acetone, propyl gallate and copper foil. The preparation method comprises the following steps: heating to dissolve bisphenol A benzoxazine, N,N-dimethylformamide, triethylamine, methylbenzene, acetone and propyl gallate at first; then adding the other components except for the alkali-free glass fiber cloth and gold foil, and stirring to obtain a steeping glue solution; removing steeped alkali-free glass fiber cloth; and then baking to obtain a prepreg, superimposing the prepreg with the copper foil, and cooling in a press after heat and pressure preservation. The printed circuit board base plate provided by the invention has the advantages of good insulating property, heat resistance and caking property and low cost; moreover, the production process is relatively simple and is suitable for industrial production.

In order to prevent static electricity impairment of an electronic component, a layer at the surface of a container to be in contact with an electronic component is one having a relatively high surface resistivity, a layer having a higher electrical conductivity than that is laminated below it, and the surface resistivity of the layer at the surface is higher than that of the layer below it. It is considered that in an electronic component packaging container having such a constitution, static electricity electrified on an electronic component is gradually discharged from the electronic component to the surface of the electronic component packaging container without sudden discharge, thus preventing the static electricity impairment. The surface layer preferably comprises a material close to the electronic component in the series of frictional electrification.