30 results about "Silver ink" patented technology

The invention discloses high-wettability reactive nano-silver ink for flexible electronics and a preparation method and application thereof.The preparation method comprises the following steps that S1, silver citrate is weighed and placed in a container, ammonia water is added, and a mixture A is obtained; s2, adding a citric acid solution and organic alcohol into the mixture A to obtain a mixture B; s3, adding ascorbic acid into the mixture B, performing ultrasonic treatment, and filtering to obtain filtrate which is a mixture C; and S4, a surfactant is added into the mixture C, the surfactant is one or more than two of a polyoxyethylene acid ester surfactant, a polyether modified siloxane surfactant and a phenyl ether surfactant, and the ink is obtained after ultrasonic filtration. The prepared ink has excellent stability, can realize low-level rapid sintering, and shows excellent wettability on a silicon substrate.

The present invention relates to a thermocouple, comprising thermoplastic resin-based silver ink as a first thermocouple element and thermoplastic resin-based carbon ink as a second thermocouple element.

The invention relates to high-solubility super-bright silver ink for a coated paperboard and a preparation method of the high-solubility super-bright silver ink. The high-solubility super-bright silver ink comprises the following raw materials in percentage by mass: 30-45% of film-forming resin; 30%-40% of a solvent; 20 to 25 percent of aluminum silver paste; 2-5% of an auxiliary agent; wherein the film-forming resin comprises a nitrocotton emulsion, polyvinyl butyral and polyamide, the solvent is a mixed solution of ethanol, ethyl ester and n-propyl ester, the auxiliaries comprise a setting agent, a flatting agent and a wear-resistant agent, the setting agent is a modified acrylic polymer, the flatting agent is organic silicon, and the wear-resistant agent is polytetrafluoroethylene powder. Compared with the prior art, the prepared silver ink has the advantages of being high in solubility, good in mirror surface effect, capable of being rapidly dried and the like.

The invention provides low-temperature curing weldable conductive paste as well as a preparation method and application thereof, and belongs to the technical field of printed electronic materials. The weldable conductive paste comprises the following components by mass: 11-15% of an organic carrier; 70-85% of a conductive component; 0-19% of an organic solvent; the organic carrier comprises a rosin solution, epoxy resin and a latent curing agent; the conductive component is a micron silver sheet loaded with nano silver oxide; the length of the silver sheet is 1-15 [mu] m; the particle size of the nano silver oxide is 200 to 400 nm. According to the low-temperature cured weldable conductive silver paste provided by the invention, the wettability of the solder on the silver ink layer can be improved, so that the welding binding force is improved; and meanwhile, a silver ink layer printed by the paste has relatively high conductivity.

The invention discloses an ink composition suitable for gravure and a preparation method of imitation gold card paper, and relates to the technical field of printing, the ink composition comprises water-based gravure silver ink and water-based gravure transparent yellow ink, the water-based gravure silver ink comprises 40%-58% of water-based resin, 30%-40% of ethanol, 10%-20% of modified aluminum powder, 0.1%-0.3% of a pH regulator and 0.7%-1.8% of a functional auxiliary agent; the water-based gravure transparent yellow ink comprises 40%-59.7% of water-based resin, 30%-40% of ethyl alcohol, 10%-20% of transparent yellow paste and 0.1%-0.3% of a pH regulator. The modified aluminum powder is prepared through physical coating or coupling agent chemical modification; the aluminum powder in the ink composition is physically coated or chemically modified, so that the aluminum powder is effectively prevented from being oxidized, the stability of the ink is improved, and the manufactured imitation gold card paper is good in printing effect and has better color, luster, adhesive force and folding resistance.

The invention relates to a silver ink comprising an adhesion promoter. In particular, the present invention relates to a composition for producing an electrically conductive structure on a substrate. The composition comprises a solution containing at least the following components: a) an organic solvent selected from the group consisting of aromatic hydrocarbons, aliphatic hydrocarbons and alcohols and acetates of these aliphatic hydrocarbons and mixtures thereof, b) at least one silver carboxylate, and c) at least one titanium carboxylate.

The invention provides a large aspect ratio conductive circuit ink-jet printing method, which specifically comprises the following steps: in an ink-jet printing process, controlling an emission angle of an infrared laser, keeping an intersection point of laser emitted by the infrared laser and an ink droplet falling track of a printing head above a printing substrate, and presintering and curing ink droplets before the ink droplets fall on the surface of the printing substrate; the invention further provides an ink-jet printing device for the conductive circuit with the large height-width ratio and an application method of the ink-jet printing device. The nano-silver ink for ink-jet printing is rapidly sintered through laser in the flying process, the high-performance conductive trace can be directly manufactured on the substrate, and the manufacturing efficiency and the quality of the final electronic trace are remarkably improved through the collaborative process of presintering in the ink droplet flying process and synchronously preheating the substrate; the large-aspect-ratio conductive circuit ink-jet printing device for achieving the method is simple in structure, flexible and convenient to operate and high in practicability, and the focusing accuracy of laser and ink droplets is improved.

A method and apparatus for forming a device includes depositing a mask layer on a first portion of a surface, the mask layer forming a feature on the surface, depositing a mirror layer within the feature on a second portion of the surface, and removing the mask layer from the surface.

To provide a packaging bag capable of sufficiently maintaining designability even when an external force is applied or the packaging bag is torn for unsealing.SOLUTION: The packaging bag 100 includes the base film layer 10, the aluminum-pigment-containing silver ink layer V, the titanium-oxide-pigment-containing white ink layer W, and the sealant layer 20, and includes the seal section 101 constituted by the pair of laminated films 300 in which the sealant layers 20 are heat-sealed to each other, and when the seal strength of the seal section 101 is measured in conformity with JISZ1707:2019, the sealant layers 20 are peeled from each other or the laminated films 300 are broken.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of sensor design, and aims to solve the problem that a composite sensor interferes with each other during force and acceleration measurement. According to the force and acceleration parallel type multifunctional sensor composed of the single sensing unit and the adjusting method of the force and acceleration parallel type multifunctional sensor, when the sensor is stressed, a first outer deformation diaphragm, a first inner deformation diaphragm, a second outer deformation diaphragm and a second inner deformation diaphragm generate shear deformation, and a first bearing boss hard center and a second bearing boss hard center move vertically; applying pressure to the PVDF piezoelectric film sensing unit layer part corresponding to the outer ring of the first Silver Ink layer to generate a charge signal in direct proportion to the force; when the sensor is vibrated, the mass block vertically moves up and down in the first inner partial load ring, inertia force is further generated on the PVDF piezoelectric film sensing unit layer part corresponding to the inner ring of the first Silver Ink layer, and a charge signal in direct proportion to acceleration is generated. The sensor is of a parallel structure and does not interfere with each other during force and acceleration measurement.

The invention discloses an organic acid synergistic reactive nano-silver ink and a preparation method and application thereof, the preparation method comprises the following steps: S1, weighing silver citrate in a container, adding ammonia water, performing ultrasonic treatment, standing at room temperature, and filtering to obtain an intermediate mixture; and S2, a citric acid aqueous solution with the concentration being 3-7 wt% is added into the intermediate mixture, ascorbic acid is added, ultrasonic treatment and standing are conducted, supernate is taken and filtered, the obtained filtrate continues to stand, secondary filtering is conducted, and the reaction type nano-silver ink is obtained. The reactive nano-silver ink prepared by the method has good conductivity and film forming effect after being sintered at 140 DEG C.

The application discloses a method, device and storage medium for simulating cold stamping by using a digital inkjet printing device. The method comprises the following steps: obtaining thickness value, gloss value and chroma value of metal ink of a gold stamping sample; setting first printing data of the digital inkjet printing device according to the thickness value and the gloss value; wherein the first printing data comprises silver ink layer number and silver ink inkjet amount; setting a printing position of a printing substrate in the digital inkjet printing device and printing a sample; wherein, if the chroma value is zero, the sample printing comprises the following steps: placing the printing substrate at the printing position, printing a silver ink layer according to the first printing data to obtain a first sample; and placing the first sample at the printing position again and printing a pattern layer. In the application, the gold stamping and the printing process are continuously completed in the digital inkjet printing device, the production capacity of the gold stamping device and the printing machine is released, the gold stamping plate manufacturing process and the like can be omitted, the sample making cycle is shortened, and the overall sample making efficiency is improved.

Provided are: a low-cost and highly conductive silver ink composition; and a method for producing wiring using the silver ink composition. A conductive ink composition for screen printing contains a conductive metal particle (A) having an oleic acid surfactant, a non-chlorine-based resin composition (B), and an organic solvent (C), wherein the conductive metal particle (A) is contained in an amount of 45 to 70% by weight with respect to the total ink composition, the non-chlorine-based resin composition (B) has a number average molecular weight of 50,000 or more and is contained in an amount of 5 to 15% by weight with respect to the total ink composition, the organic solvent (C) has a flash point of 75 to 110°C and is contained in an amount of 25 to 50% by weight with respect to the total ink composition, and the ink composition has an ink viscosity of 10 to 25 Pa·s (23°C) at a shear rate of 100 s-1. A method for producing wiring uses the ink composition.

The application discloses a liquid metal-based large-aspect-ratio glass via filling and sealing method and device, and belongs to the field of electronic packaging. The method mainly comprises liquid metal filling large-aspect-ratio glass via (TGV) based on inkjet 3D printing, nano-silver ink curing and sealing, and filling and sealing device design. The nano-silver ink after photocuring is used to seal and fill the large-aspect-ratio TGV filled with liquid metal, which can effectively prevent the liquid metal from overflowing, and meanwhile, the device can realize accurate filling and reliable sealing of the large-aspect-ratio TGV array. The high electrical conductivity, low resistivity, high thermal conductivity and excellent fluidity of the liquid metal make the TGV interconnection structure have excellent filling quality, high-frequency electrical characteristics and heat dissipation performance, effectively solve the problems, such as the defects of easy generation of cavities and concaves in the traditional filling process, poor adhesion between the glass hole wall and the copper, and the difficulty of copper material in meeting the high-frequency and high-speed transmission demand of future radio frequency systems.

The invention discloses a silver ink film capable of detecting capsaicin with high sensitivity, a preparation method of the silver ink film and application of the silver ink film in surface enhanced Raman scattering detection. The preparation method comprises the following steps: adding a mixed solution of sodium hydroxide and hydroxylamine hydrochloride into a silver nitrate solution while stirring, and keeping stirring until the reaction is complete to obtain a uniform milky white mixture silver nano glue solution; centrifuging the silver nano glue solution for 5-30 minutes at the speed of 5000-15000 r / min, and discarding a supernatant liquid part to obtain concentrated silver nano glue; mixing and stirring the concentrated silver nano glue with ethyl cellulose and alpha-terpilenol, and performing ultrasonic treatment to obtain uniform silver ink; in the silver ink, the content of the concentrated silver nano glue is 25wt%-55wt%, the content of ethyl cellulose is 4wt%-6wt%, and the balance is alpha-terpilenol; and spin-coating the silver ink on a clean polished silicon wafer by using a spin coater, and carrying out vacuum drying to obtain the silver ink film.

The invention discloses a nano-silver touch color film display expansion method which comprises the following steps: S1, manufacturing a nano-silver touch layer: dispersing synthesized nano-silver wire particles in an organic solvent to prepare nano-silver ink, and depositing the nano-silver wire particles on a flexible transparent substrate film by adopting a coating process to form the nano-silver touch layer, a stable nano-silver conductive network is provided; s2, a high-definition color film layer is manufactured, wherein the high-definition color film layer is manufactured in a high-definition printing mode; s3, a nano-silver touch control color film layer is manufactured, wherein the nano-silver touch control color film layer comprises a nano-silver touch control layer and a high-definition color film layer, the surface of the nano-silver touch control layer is coated with a color film transparent adhesive, and the high-definition color film layer is attached; and S4, the nano-silver touch color film layer is attached to the original display screen, and the nano-silver touch color film layer is accurately attached to the original display screen by adopting a high-precision vacuum equipment automatic alignment system and using a display screen transparent adhesive and a color film transparent adhesive, so that the attaching precision is within 100 micrometers.

The invention discloses laser curing type conductive silver ink for electronic components and a preparation method of the laser curing type conductive silver ink. The laser curing type conductive silver ink comprises a silver precursor, an amine complexing agent, a non-polar organic solvent and an additive, a silver precursor and an amine complexing agent form a uniform and stable silver-amine complex solution in a non-polar organic solvent. The preparation method comprises the following steps: uniformly mixing a non-polar organic solvent, an amine complexing agent and an additive, then adding a silver precursor, stirring until the silver precursor is completely dissolved, and filtering to obtain the conductive silver ink with excellent conductivity, stability and printing performance. The invention also provides a method for preparing a conductive film on a substrate by using the conductive silver ink through a laser sintering process. According to the conductive silver ink, the light absorption characteristic of the silver-amine complex is regulated and controlled through the non-polar solvent, so that the conductive silver ink perfectly adapts to a laser sintering process, and the conductive silver ink has the advantages of being low in curing energy consumption, short in curing time, free of thermal damage to a flexible base material, high in conductivity of a formed silver film, high in adhesive force and the like, and is suitable for the fields of flexible electronics, printed circuits and the like.

The invention provides a method for preparing particle-free silver ink by reducing silver acetate through formic acid. Raw materials adopted by the method comprise a silver precursor, a complexing agent, a solvent, a reducing agent and an auxiliary. The viscosity of the produced particle-free silver ink can adapt to all printers adopting an ink jet technology in the market. The adhesive has good adhesion performance on all printing substrates, and after low-temperature sintering, no effective material layer falls off within the application range through a bending test on the substrate. The ink has a good printing effect, and is free of excessive dispersion, annular cavities and conductive layer circuit disconnection phenomena after sintering.

The present invention relates to electrically conductive silver ink composition providing excellent conductivity. The ink composition is screen printable and suitable for use in printed electronics applications.

The invention discloses UV (ultraviolet) curing high-brightness silver ink, which is characterized in that the pigment for preparing the UV curing high-brightness silver ink is prepared from the following components in parts by mass: 40 to 60 parts of prepolymer, 15 to 30 parts of diluent, 3 to 5 parts of photoinitiator, 10 to 30 parts of aluminum powder and 0.8 to 2.8 parts of orientation agent, and the orientation agent is oligomeric silsesquioxane. According to the UV-cured high-brightness silver ink, in the ink drying process, on one hand, eight chain-shaped organic functional groups R of POSS molecules are enriched on an ink film-air interface to form a surface layer with low surface energy, and aluminum powder is automatically arranged on the interface in parallel under the action of free energy, so that the particle orientation degree is greatly improved; therefore, after the ink is dried, as the orientation degree of the aluminum powder particles is greatly improved, the mirror reflection degree of light rays is also greatly improved, and the brightness of the ink is further greatly improved.

The utility model belongs to the field of label stickers, particularly relates to a laser anti-counterfeiting film-coated paper label sticker, and provides the following scheme aiming at the problems that the existing label sticker based on plastic materials is relatively poor in environmental protection property, relatively high in cost and not easy to degrade: the film-coated paper label sticker comprises release paper, a paper layer, a laser layer and scraping silver ink, the top of the release paper is coated with the silicone oil layer, the glue layer is arranged below the paper layer, the glue layer is attached to the top of the silicone oil layer, the laser layer is arranged at the top of the paper layer, the ultraviolet fluorescent coating is arranged at the top of the laser layer, and the waterproof layers are arranged at the bottom of the paper layer and the top of the ultraviolet fluorescent coating. The waterproof layer located at the top of the ultraviolet fluorescent coating is arranged at the bottom of the scraping silver ink, the scraping silver ink is made of ultraviolet light-cured resin, and the glue layer is smeared at the bottom of the waterproof layer located below the paper layer. The anti-counterfeiting and light-emitting composite material has the advantages of good anti-counterfeiting performance, light-emitting performance, environmental protection performance, waterproof performance, usability, structural design and the like.

The present application belongs to the technical field of sensor design, and aims to solve the problem of mutual interference of composite sensors in force and acceleration measurement. A force and acceleration parallel type multifunctional sensor composed of a single sensitive unit and an adjusting method thereof are provided. When the sensor is subjected to force, the first outer deformation diaphragm, the first inner deformation diaphragm, the second outer deformation diaphragm and the second inner deformation diaphragm produce shear deformation, the first bearing boss hard center and the second bearing boss hard center vertically move, pressure is applied to the outer ring corresponding PVDF piezoelectric film sensitive unit layer part of the first Silver Ink layer, and a charge signal proportional to the force is generated. When the sensor is subjected to vibration, the mass vertically moves up and down in the first inner load ring, and then generates an inertial force in the inner ring corresponding PVDF piezoelectric film sensitive unit layer part of the first Silver Ink layer, and a charge signal proportional to the acceleration is generated. The sensor of the present application is of a parallel structure and does not interfere with each other in force and acceleration measurement.

The present application relates to the technical field of ink, and discloses high-gloss water-based bright silver ink with transfer paper effect and a preparation method and application thereof.The high-gloss water-based bright silver ink comprises 60-70 parts by weight of water-based core-shell acrylic resin emulsion, 30-40 parts by weight of water-based polyurethane emulsion and 10-25 parts by weight of metal pigment, etc.The ink layer obtained by the ink has excellent hardness, flexibility and impact resistance, is not easy to break during processing, has strong bending and cracking resistance, and the ink layer does not burst or peel off after being folded multiple times.Meanwhile, the ink layer has good film-forming property, excellent leveling property and high flatness.The high reflectivity metal pigment such as vacuum aluminum plating is used in the present application, so that the ink layer has high gloss and strong metallic feeling.The high-gloss water-based bright silver ink prepared by the present application can be used on white cardboard or art paper to replace aluminum-plated transfer paper, has similar metallic gloss to the aluminum-plated transfer paper, and can be used to prepare cigarette packets, cosmetic boxes, wine boxes and other products.

The invention belongs to the technical field of biological analysis and relates to a ratio-based electrochemical lateral flow immunochromatography test strip as well as a preparation method and application thereof. The preparation method comprises the following steps: step 1, dissolving ferrocenecarboxylic acid (FCA) in dimethyl sulfoxide, and adding graphene ink into the solution; screening the dual-working electrode onto a polyvinyl chloride plastic sheet by using FCA ink, drying, screening a counter electrode and a reference electrode by using graphene and silver ink respectively, and drying to obtain a dual-working screen-printed electrode; step 2, preparation of HCG and MIPs; and 3, preparing the dual-working electrochemical immunochromatography test strip. According to the invention, the detection specificity and sensitivity can be effectively improved, the repeatability and stability of the test strip are enhanced, and the detection reliability and accuracy are improved; the cost is reduced, the operation is simple, the influence of various environmental factors is avoided, the large-scale production is easy, and the application prospect is wide.

The present invention discloses a silver ink film capable of highly sensitive detection of capsaicin, a preparation method thereof, and an application thereof in surface-enhanced Raman scattering detection. The preparation method comprises: adding a mixed solution of sodium hydroxide and hydroxylamine hydrochloride to a silver nitrate solution under stirring, and stirring until the reaction is complete to obtain a uniform milky white mixture of silver nanocolloid; centrifuging the silver nanocolloid at a speed of 5000-15000 r / min for 5-30 minutes, discarding the supernatant to obtain concentrated silver nanocolloid; mixing the concentrated silver nanocolloid with ethyl cellulose and α-terpineol, stirring, and ultrasonically treating to obtain a uniform silver ink; in the silver ink, the content of concentrated silver nanocolloid is 25wt%-55wt%, the content of ethyl cellulose is 4wt%-6wt%, and the remainder is α-terpineol; using a sizing machine to spin-coat the silver ink onto a clean polished silicon wafer, and vacuum drying to obtain a silver ink film.

The utility model discloses a holographic scraping check anti-counterfeit label which comprises a label body, an adhesive layer is fixedly arranged on the lower surface of the label body, and a release layer is arranged on the lower surface of the adhesive layer. The label body comprises a label base layer, a laser lettering layer is fixedly arranged on the upper surface of the label base layer, a laser holographic anti-counterfeiting layer is fixedly arranged on the upper surface of the laser lettering layer, a transparent wear-resistant surface layer is fixedly arranged on the upper surface of the laser holographic anti-counterfeiting layer, and a positioning frame is fixedly arranged on the upper surface of the wear-resistant surface layer. An anti-counterfeiting seat is arranged in the positioning frame, and a plurality of positioning strips are fixedly arranged between the anti-counterfeiting seat and the inner wall surface of the positioning frame; a passive RFID electronic tag layer, a photosensitive color-changing anti-counterfeiting layer, a transparent positioning layer and a scraping silver ink covering layer are sequentially arranged in a storage groove in the upper end face of the anti-counterfeiting base from bottom to top. According to the technical scheme, the structural design is reasonable, the outer surface is not prone to abrasion, use is convenient, and the anti-fake performance and practicability are good.

The present invention provides a composition for manufacturing a conductive structure on a substrate, and a method for manufacturing a conductive structure on a substrate by inkjet printing using the composition. [Solution] The composition comprises a solution containing at least the following components: a) an organic solvent selected from the group consisting of aromatic hydrocarbons, aliphatic hydrocarbons and alcohols, acetic acid esters of these aliphatic hydrocarbons, and mixtures thereof; b) at least one silver carboxylate; and c) at least one titanium carboxylate.

The invention discloses a preparation method of a highlight silver bright color PVC foaming hanging buckle wallboard. By optimizing the three-section gradient cooling structure and the matching length of the stock mold, the density uniformity of a crust layer is accurately controlled, and the surface compactness of a base material is improved; and by combining a'two-bottom and one-surface 'coating process and dynamic color difference feedback, high covering of silver ink is realized, and a coating is uniform, high in gloss and excellent in adhesive force. Compared with a traditional single-temperature-zone stock mold structure, the base material and coating cooperation performance is remarkably improved, and low cost and surface quality are both achieved.

The invention relates to a molecular ink, a method for producing a conductive silver trace, a substrate and an electronic device. The present invention provides a molecular ink comprising a silver carboxylate, an organic amine, and a polymeric binder comprising a polyester, a polyimide, a polyetherimide, or any mixture thereof, having functional groups that make the polymeric binder compatible with the organic amine. Such inks may have a higher silver loading, a lower viscosity, and a lower processing temperature than existing silver inks. The invention also provides a method for producing a conductive silver trace on a substrate using the molecular ink, and a substrate and an electronic device comprising the conductive silver trace.