440 results about "Colloidal silica" patented technology

A polishing liquid which reduces the occurrence of erosion and scratches on a surface to be polished of an object to be polished having a cobalt-containing film after polishing in a case where the polishing liquid is applied to CMP of the object to be polished is provided. In addition, a chemical mechanical polishing method using the above-mentioned polishing liquid is provided. The polishing liquid is a polishing liquid used for chemical mechanical polishing of an object to be polished having a cobalt-containing film. The polishing liquid includes colloidal silica, an organic acid, a specific nitrogen-containing aromatic heterocyclic compound and hydrogen peroxide, and has a pH of 8.5 to 12.

The invention discloses a bubble discharging device for a silica gel coating composite material, and relates to the technical field of bubble discharging of coating materials, the bubble discharging device comprises a tank body, a transparent observation window is arranged on one side of the tank body, a discharging pipe is connected to the lower portion of one side of the tank body in a penetrating mode, and an adding pipe is connected to one side of the top of the tank body in a penetrating mode; a through groove is formed in the center of the top of the tank body in a penetrating mode, the premixing tank is arranged above the tank body, two sets of supporting legs are symmetrically installed at the bottom of the premixing tank, the bottom ends of the supporting legs are fixedly connected with the tank body, and a feeding pipe is connected to the upper portion of one side of the premixing tank in a penetrating mode; according to the defoaming device for the silica gel coating material, when the silica gel coating material is defoamed, the coating material and the defoaming agent can be pre-tested, the applicability of the defoaming agent can be judged by observing whether mixing or layering is generated after the coating material and the defoaming agent are premixed, and if the defoaming agent is not applicable, the tested defoaming agent can be quickly discharged.

Provided are an aqueous inorganic coating agent capable of forming a coating film having excellent adhesion to a substrate, and a coating method using this aqueous inorganic coating agent. The aqueous inorganic coating agent includes alkaline colloidal silica, at least one of a sodium phosphate compound and a potassium phosphate compound, boric acid, and an inorganic abrasive.

This invention proposes a micro / nano-scale imprinting FPC solder resist layer forming device, relating to the field of circuit board solder resist layer forming technology. It includes a forming base with a limiting base mounted on it. An imprinting head is positioned directly above the limiting base and driven by a servo electric cylinder. The limiting base has a groove, within which a rigid base is installed. A vacuum adsorption assembly is mounted inside the forming base, and a forming placement cavity is located inside the rigid base. From top to bottom, a PI thin film layer, a silicone layer, and a carbon fiber heating film layer are sequentially arranged at the bottom of the forming placement cavity. Micro / nano patterns are etched on the imprinting head, and a PDMS elastic layer is located at the lower end of the imprinting head. This invention, through the cooperation of the PI thin film layer, silicone layer, carbon fiber heating film layer, and microporous array, can adsorb, flatten, and preheat the FPC substrate before imprinting, fundamentally compensating for the deformation of the flexible substrate and providing a stable and flat reference plane for high-precision imprinting.

The present invention provides a sulfonic acid-modified colloidal silica which has excellent long-term stability of metal adsorption amount and is capable of suppressing the amount of residual abrasive grains on a polished metal surface after polishing and cleaning.　This sulfonic acid-modified colloidal silica contains silica particles, and is characterized in that: (1) the surfaces of the silica particles are modified with a sulfonic acid group; (2) the Cu ion adsorption amount of the silica particles is 5.00-110.00 µmol / g; (3) the ratio (Cu ion adsorption amount (µmol / g) / S content (µmol / g)) of the Cu ion adsorption amount to the S content of the silica particles is 0.50 or more; and (4) the rate of change over time of the Cu ion adsorption amount of the silica particles is 1.30 or less as measured by the measurement method described below. [Measurement method of the rate of change over time of the Cu ion adsorption amount of the silica particles] The sulfonic acid-modified colloidal silica is left to stand at 25°C for 3 months. The Cu ion adsorption amount (µmol / g) of the silica particles before standing and the Cu ion adsorption amount (µmol / g) of the silica particles after standing are measured and the rate of change over time of the Cu ion adsorption amount of the silica particles is calculated by the following formula. (Rate of change over time of Cu ion adsorption amount of silica particles) = (Cu ion adsorption amount (µmol / g) of silica particles after standing) / (Cu ion adsorption amount (µmol / g) of silica particles before standing)

Provided is an aqueous inorganic coating agent capable of forming a coating film having high antifogging properties. [Solution] The aqueous inorganic coating agent comprises small-particle colloidal silica having an average particle diameter of 3 nm or more and 10 nm or less, large-particle colloidal silica having an average particle diameter of more than 10 nm and 100 nm or less, at least one of a sodium phosphate compound and a potassium phosphate compound, boric acid, and water.

The invention belongs to the technical field of silica gel coating, and particularly relates to an automatic silica gel coating device and method for a cylindrical thin-wall body. The device comprises a rack, and a material rotating mechanism, an inner ring gluing mechanism, an outer ring gluing mechanism, a glue supply mechanism and a grating safety system are arranged on the rack; the grating safety system is arranged on the front side of the rack, the inner ring gluing mechanism and the outer ring gluing mechanism are located on the two sides of the material rotating mechanism, and the glue supply mechanism is located on the rear side of the rack. A material pressing mechanism is arranged over the material rotating mechanism, a controller is further arranged on the rack, and the material rotating mechanism, the inner ring gluing mechanism, the outer ring gluing mechanism, the material pressing mechanism, the glue supply mechanism and the grating safety system are all electrically connected with the controller. Through the cooperative operation of the material rotating mechanism, the inner ring gluing mechanism and the outer ring gluing mechanism and the precise regulation and control of the controller on the glue supply flow, the pressing force and the motion trail, high-quality automatic coating on the inner wall and the outer wall of a cylindrical object or the outer wall of a columnar object is achieved.

The invention relates to the technical field of photovoltaic power generation, and discloses a photovoltaic module frame bonding structure and a glue overflow prevention method thereof.The system comprises a clamping groove structure and a frame, and the section shape, the depth and the width of the clamping groove structure and the protruding height and the inclination angle of a matching part are calculated and determined through a preset intelligent algorithm model; a silica gel strip is clamped between the clamping groove structure of the frame and the matching part of the photovoltaic module, the section size and the hardness parameter of the silica gel strip are matched with the gap parameter of the clamping groove structure and the matching part output by the intelligent algorithm model, and the two side faces of the silica gel strip are in interference fit with the inner wall of the clamping groove structure and the outer surface of the matching part respectively; the geometric parameters of the clamping groove structure and the matching part are determined through an intelligent algorithm model, the customized size and hardness of the silica gel strip are combined, elastic pressing connection and sealing of the frame and the edge of the photovoltaic module are achieved, and the compression deformation quantity of the silica gel strip under the high wind pressure load is limited within a preset safety threshold value so as to reduce the hidden crack risk of a battery piece.

Provided is a water-based inorganic coating agent capable of forming a coating film having high antifouling properties and excellent abrasion resistance. The aqueous inorganic coating agent includes colloidal silica, at least one of a sodium phosphate compound and a potassium phosphate compound, boric acid, aluminum monophosphate, and water.

1. The name of the design product: LED silica gel face brush. 2. The use of the design product: LED silica gel face brush. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model discloses tempered glass capable of preventing corners from cracking, which belongs to the technical field of tempered glass and comprises a glass body, a nano coating is coated on the lower side of the glass body, and a silica gel coating is coated on the upper side of the glass body. Then the two ends of the glass body and the two ends of the protection plate are inserted into the grooves and the inserting grooves of the protection bases correspondingly, when the arc-shaped edges at the two ends of the protection plate make contact with the arc-shaped blocks, the arc-shaped blocks are pushed to enter the cavities, the sliding rods slide in the protection bases, and the springs are compressed; after the protection plate completely enters the inserting groove, a spring elastically stretches to push an arc-shaped block at one end of a sliding rod to enter a clamping groove of the protection plate, the effect of limiting and fixing the protection plate and the protection base is achieved, the protection base and the protection plate protect the corners and the side edges of the glass body, and the protection range of the glass body is wider by arranging the protection assembly; and the protection quality of the glass body is improved.

The utility model relates to the technical field of dies, and particularly discloses a forming die for a liquid silica gel coated flexible circuit board. Wherein the upper die assembly comprises an upper die plate and an upper die core; the lower die assembly comprises a lower die plate, a lower die core, an insert assembly arranged on the lower die core, an ejection assembly used for ejecting the insert assembly and a positioning insert arranged on the insert assembly and used for fixing a coated structure. In the forming process, the coated structure does not shift, and the forming effect is good.

1.The name of the design product: palm protection (square silica gel). 2.The use of the design product: square silica gel palm protection. 3.The design points of the design product: the combination of shape, pattern and color. 4.The picture or photo that best shows the design points: perspective view. 5.The design claimed contains color.

The invention discloses a composite silica gel protective film with an anti-blue-light function and a preparation method thereof. The protective film comprises an anti-blue-light functional layer, a base material layer and a hardened coating which are sequentially stacked. The protective film not only can efficiently filter blue light, but also can keep good light transmission, scratch resistance and physical properties, has the characteristics of easiness in preparation and controllable cost, and can meet the diversified requirements of modern electronic equipment on the screen protective film. The anti-blue-light function layer is good in anti-blue-light effect and has excellent absorption performance on ultraviolet light and blue light in the wave band of 280 nm to 420 nm, the blocking rate on the high-energy blue light wave band can reach 98%, the blue light blocking efficiency is stable, and the ultraviolet / blue light blocking rate can be kept at a high level after aging. Wherein the hardened coating has a good scratch-resistant effect, the pencil hardness (500g) can reach 3H, the wear resistance of the matrix is effectively enhanced, and the light transmission of the protective film is improved.

The invention relates to the technical field of coating equipment, and particularly discloses a glass fiber cloth surface silica gel blade coating device which comprises a base, a first roller frame is arranged at the position, close to the rear end, of the base, a first guide roller is movably installed at the other end of the first roller frame and can rotate, and a turnover structure is arranged on the upper wall of the base. The overturning structure is located on the front side of the first roller frame, a material collecting structure is fixedly arranged on the overturning structure, and a blade coating structure is detachably arranged on the material collecting structure; the first guide roller is used for guiding cloth input, the overturning structure is used for controlling the orientation of the material collecting structure and the blade coating structure and switching of single-face blade coating or double-face blade coating of cloth, the material collecting structure is used for collecting glue liquid and used for cloth of different thicknesses, and the blade coating structure is used for conducting blade coating on cloth glue and limiting the coating thickness. And angle overturning of the material collecting structure and the blade coating structure is achieved through the overturning structure, and switching between single-face coating and double-face coating can be rapidly completed without manually overturning cloth or replacing equipment.

The present invention relates to a sol-gel finishing layer for a non-stick coating of a household item, said layer being free of silica. No figure

1. The name of the design product: glass cover with silica gel edge. 2. The use of the design product: glass cover for fresh-keeping box. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The right view is symmetrical with the left view, and the right view is omitted.

This utility model discloses a highly flexible, electromagnetic interference-resistant cable for robots, comprising a double-layer conductor bundle with a Kevlar fiber rope at its center. The space between the inner and outer conductor bundles, and between the inner and outer conductor bundles and the Kevlar fiber rope, is filled with thermoplastic elastomer and foamed silicone. The conductor bundles are spirally twisted in opposite directions at different pitches. The cable is surrounded by braided aramid fibers, an insulation layer, an inner shielding layer, an outer shielding layer, and a sheath layer. The sheath has semi-circular ribs and embedded elastic polyurethane strips. The thermoplastic elastomer is a polyurethane-based material, the foamed silicone is phenyl silicone rubber, the insulation layer is nano-silica modified methyl vinyl silicone rubber, the inner shielding layer is copper foil wrapped with a polytetrafluoroethylene self-lubricating coating, the outer shielding layer is tin-plated copper wire braid, and the sheath layer is a blend of polyurethane and silicone rubber coated with a nano-ceramic coating. This cable exhibits a long dynamic bending life under extreme environments, improves high-frequency shielding effectiveness, and is suitable for high-frequency movements of industrial robots and complex electromagnetic environments.

1. The name of the design product: silicone bag hanging (chocolate). 2. The use of the design product: the design product is used for ornaments, which can be hung on bags and store small items. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best shows the design points: perspective view. 5. The design claimed contains color.

The invention relates to the field of LED packaging, in particular to a low-blue-light yellow-light LED device and a preparation method thereof. The solid crystal glue is arranged on the packaging carrier; a chip, wherein the chip is bonded on the solid crystal glue; the fluorescent powder layer covers the chip and is formed by mixing narrow-band yellow green powder (540-550 nm), narrow-band orange yellow powder (570-600 nm) and transparent silica gel; and the packaging colloid covers the surface of the fluorescent powder layer to form a heat dissipation structure. Compared with the prior art, the blue light component of the finally output yellow light is reduced to 0.01%-0.03%, which is significantly lower than the blue light proportion (generally greater than 5%) of the traditional blue light chip and fluorescent powder scheme, and the human eye health risk is reduced from the source.

The invention relates to a sample preparation method for EBSD detection of a MoSi target material, and the sample preparation method comprises the following steps: carrying out cutting, grinding treatment, mechanical polishing and chemical mechanical polishing on the MoSi target material in sequence to obtain a to-be-detected sample; a polishing solution adopted in the chemical mechanical polishing treatment comprises a basic solution, an acid solution and colloidal silicon dioxide, the polishing solution comprises 0.5-1 part by weight of the acid solution based on 100 parts by weight of the basic solution, and the concentration of the acid solution is 5-10 wt%; the MoSi target material sample prepared through the sample preparation method is smooth in surface, the roughness is as low as nanoscale, no obvious scratches exist, when the MoSi target material sample is used for EBSD detection, a diffraction Kikuchi zone is clear, the sample calibration rate reaches up to 90% or above, and a reliable detection sample is provided for research of microstructure characteristics of the MoSi material.

A composition comprises an aqueous dispersion of polymer particles, polymeric organic crosslinked microspheres, and colloidal silica particles. The composition is useful in coating compositions for exterior applications to achieve a balance of excellent dirt pickup resistance and durability performance under accelerated testing conditions.

The present disclosure is directed to coating compositions that include about 10 wt. % to about 90 wt. % water, about 5 wt. % to about 80 wt. % of a binder, and about 0.1 wt. % to about 20 wt. % of a colloidal silica functionalized with anionic molecules and / or a colloidal silica functionalized with neutral molecules. The present disclosure also is directed to methods of making coating compositions of the present technology.

The application provides a display module injection molding mold, comprising an upper mold and a lower mold, the upper mold comprises a film frame and a mold core, the mold core is made by rubber coating on the film frame, wherein the mold core is in interference fit with the glass cover plate of the display module, and the edge of the glass cover plate of the display module is recessed in the mold core. The display module injection molding mold of the application uses a glue pouring mold to limit the boundary and shape of the glue, the mold core and the glass cover plate are in interference fit, and the edge of the glass cover plate of the display module is recessed in the boundary of the mold core after interference assembly. The recessed design can produce interference fit with the product glass cover plate to ensure the sealing of glue pouring, and can balance the extrusion deformation of the mold core caused by glue pouring pressure. The application also provides a method for offsetting the change of glue pouring pressure during the forming process of the display module.

This utility model discloses a coating machine for processing silicone protective film, including a coating frame, a transmission roller group, a coating seat, a pressing mechanism, a feeding end seat, a feeding mechanism, a discharge end seat, and a winding mechanism. The transmission roller group is arranged on the surface of the coating frame. A coating seat is arranged on one side of the top surface of the coating frame. A pressing mechanism is arranged on one side of the coating seat. A feeding end seat is installed on one side of the pressing mechanism. A feeding mechanism is arranged above the surface of the feeding end seat. A discharge end seat is arranged below one side of the outer wall of the coating frame. A winding mechanism is arranged above the surface of the discharge end seat. The feeding mechanism and the winding mechanism have the same structure. A traction roller is installed at one end of the coating frame. This silicone protective film coating machine improves coating efficiency and uniformity. The connection design between the various components is reasonable, facilitating disassembly and cleaning. In particular, the identical structure of the feeding mechanism and the winding mechanism makes maintenance simpler.

The present application discloses an anti-blue light OCA optical composition for screen and a preparation method thereof, comprising an OCA adhesive body. The OCA adhesive body comprises a first release film, an OCA hybrid blue light barrier film, an optical PET substrate, a silicone film, and a second release film. The first release film comprises the following components by weight: 25-35 parts of nano cobalt oxide.

The utility model discloses a colloidal silicon dioxide purification device, which relates to the technical field of silicon dioxide processing and comprises a purification cylinder, a filter frame fixed in the purification cylinder and adopting an annular structure, and a sealing seat arranged in an annular groove of the filter frame, an inverted circular-truncated-cone-shaped curved surface is arranged on the filter frame, and a filter screen is arranged on the curved surface; a rotating seat is rotationally mounted at the upper part of the sealing seat; a scraping plate attached to the filter screen is mounted on the side surface of the rotating seat through a bracket; a rotating table is rotationally installed on the lower portion of the sealing seat, a spiral transmission blade is arranged on the side face of the rotating table, and a rotating shaft of the rotating seat is fixedly connected with a rotating shaft of the rotating table through a connecting column in the sealing seat; when the filter screen is used for filtering, filtered materials fall on a transmission blade to push the transmission blade to rotate, and a rotating table drives a rotating seat to rotate synchronously, so that a scraping plate is attached to the filter screen to rotate to scrape the filter screen; impurities are effectively prevented from blocking the filter screen.

The application belongs to the technical field of electromagnetic wave absorbing materials, and particularly relates to a co-doped mesoporous carbon sphere wave absorbing material, a preparation method and an application. The preparation method comprises the following steps: aniline is added into a colloidal silica hydrochloric acid solution and uniformly mixed to obtain a mixed solution; then, ammonium persulfate hydrochloric acid solution is added into the mixed solution and uniformly mixed; drying is performed to obtain a precursor; the precursor is calcined under a protective atmosphere to obtain an intermediate; then, the intermediate and a sodium hydroxide solution are mixed, heated, and treated to obtain the co-doped mesoporous carbon sphere wave absorbing material. The calcination method comprises the following steps: the precursor is heated to 250-350 DEG C under a protective atmosphere and then heated to 700-900 DEG C for calcination. The co-doped mesoporous carbon sphere wave absorbing material has excellent wave absorbing performance.

The utility model relates to the technical field of production tools, in particular to a magnetron sputtering coating tool which comprises a silica gel grating, a plurality of placing grooves are formed in the silica gel grating, a positioning plate is connected to the lower surface of the silica gel grating in a sliding mode, a vertical plate is connected to the lower surface of the positioning plate in a sliding mode, and a supporting plate is fixedly connected to the side, away from the positioning plate, of the vertical plate. When the coating device is used, a workpiece to be coated is placed in the placing groove, the motor I is started, the double-spiral threaded rod is driven to rotate by a certain amplitude, the two sliding blocks are driven to slide back to back by a certain distance, the two long strips are driven to move back to back by a certain distance, the two groups of connecting strips are driven to move back to back by a certain distance, and the silica gel grating is driven to be transversely stretched by a certain amplitude; due to the fact that the silica gel grating is soft, the workpiece to be coated is clamped when the silica gel grating deforms, the coating tool conducts coating on the workpiece, the workpiece to be coated does not have dead corners which cannot be coated, and therefore the effect that the coating area is more comprehensive is achieved.

A method of making a silver-silicalite coating on a surface of a stainless-steel substrate is provided. The method includes mixing metakaolin with an aqueous solution of NaOH to form a first mixture. The method further includes mixing silica gel and silver nitrate with the first mixture to form a second mixture. Furthermore, the method includes mixing Zeolites Socony Mobil-5 (ZSM-5) with the second mixture to form a third mixture. The method further includes hydrothermally treating the stainless-steel substrate with the third mixture to form the silver-silicalite coating on the surface of the stainless-steel substrate. The hydrothermal treatment is carried out in the absence of an organic template. The stainless-steel substrate coated with the silver-silicalite coating, prepared by the method of the present disclosure, has lower corrosion in comparison to the same stainless-steel substrate without the silver-silicalite coating.