12results about How to "Not easy to adsorb" patented technology

The utility model belongs to the field of glue curing, and discloses a glue curing device which comprises a protective cover, a UV light source and a vacuumizing assembly, the UV light source is arranged on the protective cover through a movable supporting component, and one end, provided with the UV light source, of the movable supporting component penetrates into the protective cover. The vacuumizing assembly is arranged on the protective cover and communicates with the inner side of the protective cover, and a sealing rubber strip is arranged at the bottom of the protective cover along the circumferential edge side. According to the utility model, glue can be cured in a vacuum state, so that the surface of the glue is smooth, dust and water vapor are not easy to adsorb, the operation reliability of the laser is improved, and the service life of the laser is prolonged.

The utility model discloses a convenient temperature and humidity detector, which relates to the technical field of temperature and humidity detection, and comprises a detector main body, one end of the detector main body is provided with a temperature and humidity probe, the outside of the temperature and humidity probe is provided with a protective cover, and the outer surface of the protective cover is provided with a ventilation groove. The lower end of the detector body is provided with a carrying assembly, the lower surface of the detector body is provided with two moving grooves, one end of each moving groove is provided with a limiting groove, the carrying assembly comprises a carrying frame, and one end of the carrying frame is provided with a connecting baffle plate. According to the scheme, the problems that most of existing convenient temperature and humidity detectors are directly held and taken by hands, lack of hand limiting structures, easy to fall off from the hands and damage, low in safety performance and limited in placement application range and poor in flexibility and applicability due to the fact that the existing convenient temperature and humidity detectors can only be placed on a plane during placement are solved.

The invention discloses an electrochemical biosensor as well as a preparation method and application thereof, belongs to the technical field of detection, and aims to improve the detection sensitivity, specificity and detection accuracy of key biochemical substances of neurodegenerative diseases. The sensor comprises a substrate layer, a liquid inlet, a liquid outlet, a reference electrode and a counter electrode, the substrate layer comprises a PDMS flexible lower cover layer, a P3HT-Cu NWs conductive sensitive layer and a PDMS flexible upper cover layer, a micro-channel layer is arranged on the PDMS flexible upper cover layer, a channel is arranged in the micro-channel layer, and the P3HT-Cu NWs conductive sensitive layer is connected with a flexible flat cable. The preparation method comprises the following steps: preparing Cu NWs, preparing a P3HT-Cu NWs mixed solution, preparing a PDMS flexible lower cover layer, coating the PDMS flexible lower cover layer with the P3HT-Cu NWs mixed solution to obtain a P3HT-Cu NWs conductive sensitive layer, preparing a PDMS flexible upper cover layer, and bonding and sealing the PDMS flexible lower cover layer and the PDMS flexible upper cover layer to obtain the substrate layer.

This application relates to the field of silicone rubber, and more specifically, to a high-performance weather-resistant and anti-fouling silicone rubber for encapsulation / bonding of electronic components and its preparation method. It comprises the following raw materials in weight percentages: 50-65% base compound; 20-30% insulating filler; 5-8% A synergist; 2-5% B synergist; the balance being processing aids; A synergist is a hydrogen-containing silicone resin; B synergist is composed of cage-type polysilsesquioxane containing activating groups, tetravinyltetramethylcyclotetrasilazane, and silicone wax in a weight ratio of 1:(0.5-1):(1-3); and the compound system of synergist and B synergist can bond with the silicone rubber obtained from the base compound and insulating filler to form a dense and stable three-dimensional cross-linked network after curing. This not only possesses superior physical properties but also excellent bonding strength, low shrinkage, weather resistance, and anti-fouling properties, improving the structural stability and long-term reliability of electronic components.

A method for preparing a binary formula for Dai pottery clay and its application is disclosed. The method involves taking Dai pottery clay from the Honghe River basin, five-colored clay from Honghe County, and charcoal powder. The Dai pottery clay and five-colored clay are sun-dried and weathered for at least three months. The Dai pottery clay from the Honghe River basin has a SiO2 content of not less than 50%, an Al2O3 content of not less than 15%, an Fe2O3 content of not less than 10%, and a loss on ignition of less than 10%. The five-colored clay from Honghe County has a SiO2 content of 72-82%, an Al2O3 content of 9-12%, and an Fe2O3 content of 3-5%. The method involves soaking the Dai pottery clay and five-colored clay in water until fully saturated, then ball-milling them. The slurry is sieved, and then charcoal powder is added. After stirring evenly, the clay is pressed to drain water and then kneaded to remove air. This invention can improve the throwing and molding performance of Dai pottery clay, increase the sintering temperature and the density and strength of its structure, and reduce the burn-off rate.

The invention provides an iron-activated sulfide, a preparation method thereof and a mercury trapping method. The preparation method of the iron-activated sulfide comprises the following steps: carrying out a hydrothermal reaction on a metal source and thiourea to prepare a precursor, and then mixing the precursor with a ferric sulfate solution to obtain the iron-activated sulfide which takes petal-shaped MoS2 as a matrix and is subjected to Fe < 3 + > atomic-scale dispersion and anchored on the basal plane. The iron-activated sulfide provided by the invention is high in Hg0 adsorption capacity in a wide temperature range of 30-200 DEG C, good in thermal stability and suitable for efficient mercury removal of complex smelting flue gas.

This invention relates to the field of powder material surface modification, and discloses a method and system for detecting the plating failure rate of nickel-coated diamond powder. The method includes the following steps: sample dispersion: placing the nickel-coated diamond powder sample to be tested in a dispersion medium to form a suspension; magnetic separation: placing the dispersed suspension in a magnetic field for magnetic separation, causing magnetic particles to be adsorbed; obtaining the test liquid: extracting the supernatant of the suspension as the test liquid while maintaining the magnetic field; suspended particle analysis: introducing the test liquid into a particle analysis system to count and analyze the characteristics of the non-magnetic particles contained therein; result determination: evaluating the plating failure rate of the original nickel-coated diamond powder sample based on the particle parameters output by the particle analysis system. This invention can complete the detection of a sample in a short time and output the absolute concentration of plating failure particles, achieving quantitative assessment; it can detect trace or localized plating failure particles that are difficult to identify by XRD methods.

The invention belongs to the technical field of mineral processing and beneficiation reagents, and particularly relates to a double-phenyl-bridged dihydroximic acid flotation collecting agent and a preparation method and application of the double-phenyl-bridged dihydroximic acid flotation collecting agent. The general chemical formula of the biphenyl bridged dihydroximic acid flotation collecting agent is HO-NHC (= O)-Ar-O-R-O-Ar-C (= O)-NHOH; wherein Ar is an aromatic ring group of which the ortho-position is provided with carboxyl or carboxylic ester group; and R is alkylene with 1-8 carbon atoms. The collecting agent with the double-benzene-ring double-hydroximic-acid structure is expected to have higher selectivity, more stable chelation capacity and higher hydrophobicity at the same time, so that the collecting agent shows excellent collecting effect and separation efficiency in the flotation process, and the defects that an existing hydroximic acid agent is insufficient in selectivity, poor in hydrophobicity and the like are effectively overcome.

This invention relates to the field of catalyst technology, providing a supported ruthenium-based catalyst, its preparation method, and its application. The supported ruthenium-based catalyst provided by this invention comprises a support and an active metal Ru; the active metal Ru is dispersed on the surface of the support in the form of elemental atom clusters and Ru oxide clusters; the elemental Ru atom clusters are dispersed around the Ru oxide clusters; the support is an oxygen-containing support. The supported ruthenium-based catalyst provided by this invention exhibits high hydrogenation selectivity and activity. When applied to the selective hydrogenation reduction reaction of 2,4-dinitroaniline, it can effectively improve the conversion rate of the reactants and the selectivity of the target product, 4-nitro-o-phenylenediamine. The preparation method provided by this invention is simple, easy to operate, and suitable for large-scale production.

The invention belongs to the technical field of automobile accessories, and discloses an adjustment-free spherical vehicle rearview mirror with a waterproof coating, which comprises a hemispherical mirror, connecting columns are fixedly mounted at the upper end and the lower end of the right side of the hemispherical mirror, a fixing plate is fixedly mounted on the right sides of the connecting columns, and a suction cup is fixedly mounted on the right side of the fixing plate. A suction cup opening is formed in the right side wall of the suction cup; the outer wall of the fixed plate is rotatably provided with a knob, and the upper and lower ends of the left side wall of the knob are provided with rotating grooves for the knob to rotate. When a large vehicle is turned and backed up, due to the fact that the hemispherical mirror of the device is wide in reflection angle and large in look-around area, when the vehicle moves greatly, most blind area positions of the vehicle can be observed without adjusting the reflection angle of the hemispherical mirror, the view field of a driver is optimized, and driving safety is greatly improved; and the traffic accident risk caused by the limited visual field is reduced.

The application belongs to the technical field of color paste, and discloses a kind of inkjet ink color paste and preparation method thereof, and the application uses cashew phenol polyoxyethylene ether and acrylic copolymer dispersant containing pigment affinity group as dispersant with mass ratio 1: (0.5~1), the cashew phenol polyoxyethylene ether molecular structure contains phenolic hydroxyl and long chain alkyl, which forms π-π stacking effect with permanent yellow aromatic ring, can quickly wet, penetrate, spread on the surface of pigment;Acrylic copolymer dispersant containing pigment affinity group can make pigment deflocculate by steric hindrance stabilization, which can form multi-point strong hydrophobic adsorption and electrostatic adsorption with the surface of coated modified permanent yellow particles, adsorption is firm and not easy to desorb, can long-term inhibit particle aggregation, the combination of the two significantly improves room temperature stability, thermal stability, centrifugal stability, effectively reduces color difference.

The utility model discloses a double screw extruding granulator, including the feed hopper of the granulator body top, the top of feed hopper is provided with the support bucket and the filter plate, the outside wall of support bucket is connected with the inside wall of feed hopper and slides, the bottom vertical of support bucket is provided with the support groove, the sidewall of support groove is connected with the sidewall of filter plate, be provided with lifting mechanism on support bucket, the utility model discloses simple structure, reasonable in design, through the support bucket of feed hopper top, filter plate and lifting mechanism, when raw materials are transmitted to feed hopper, filter raw materials, make raw materials hard impurity or not melt granule etc. Dirt transmission to filter plate, reduce the damage that dirt causes to the granulator body, prolong the service life of granulator body.