Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

40results about How to "Avoid miscibility" patented technology

Method for preparing organic light emitting diode and device thereof

A method for fabricating an organic light emitting diode and a device thereof are provided. The method includes: providing a substrate; dispensing to the substrate a second organic molecule solution resulting from dissolving a second organic molecule in a solvent; applying the second organic molecule solution to a surface of the substrate so as to form a wet film layer; and heating the wet film layer by a heating unit to remove the solvent therefrom and thereby form a second organic molecule film. The method is effective in fabricating a uniform multilayer structure for use in fabrication of large-area photoelectric components.
Owner:NAT CHIAO TUNG UNIV

Bimetal liquid fusion covering and die forging turnout sliding table and manufacturing method thereof

The invention discloses a bimetal liquid fusion covering and die forging turnout sliding table and a manufacturing method of the sliding table. The sliding table comprises a sliding table body, the bottom of the sliding table body is welded to a turnout base plate, the upper portion of the sliding table is provided with an abrasion-resistant plane matched with the bottom of a dust rail in a sliding mode, and the sliding table body comprises a low-carbon-steel welded base and a martensite stainless steel abrasion-resistant layer welded to the welded base in a liquid die forging mode. The contact face of the bimetal liquid fusion covering and die forging turnout sliding table and the dust rail is free of rust, resistant to abrasion, high in hardness and high in shock resistant value. Weldability of the contact portion of the sliding table and the turnout base plate is good. The bimetal liquid fusion covering and die forging turnout sliding table is low in manufacturing cost, long in service life and stable and reliable in work. According to the turnout sliding table produced through the method, metal crystalline grains of the abrasion-resistant layer of the sliding table are fine, the organizational structure is compact, the phenomena of bubbles, loosening and shrinkage do not exist, and the yield of the turnout sliding table produced through the method is high.
Owner:SHENYANG XINYUAN RAILWAY EQUIP ACCESSORIES CO LTD

Preparation method of phenolic resin for automobile filter paper

The invention discloses a preparation method of phenolic resin for automobile filter paper and belongs to the technical field of organic chemistry. The preparation method of the phenolic resin for theautomobile filter paper comprises the following processes: adding a certain amount of phenol, liquid formaldehyde and a basic catalyst into a reaction kettle; performing reflux reaction for a periodof time at the temperature of 100 to 102 DEG C; cooling to 55 DEG C or below, adding boric acid to control the pH value to be 5.5 to 6.0, then performing vacuum dehydration until the water content isqualified, then continuing to react at the temperature of 90 DEG C until the polymerization speed meets the standard, then cooling to 40 DEG C, adding methanol and formic acid to adjust the viscosity,and finally adding a reactive hydrophobic agent to obtain the phenolic resin material for the automobile filter paper. The phenolic resin prepared by the method can enable the automobile filter paperto have better oil-water separation performance, and the service life of a filter element can be prolonged.
Owner:苏州兴业材料科技南通有限公司

Composite extractant for extracting oxygen-containing compounds in C5 hydrocarbon raw material and method for treating oxygen-containing compounds in C5 hydrocarbons

The invention relates to the field of fine chemical engineering, and discloses a composite extractant for extracting an oxygen-containing compound in a C5 hydrocarbon raw material and a method for treating the oxygen-containing compound in C5 hydrocarbon, the composite extractant comprises a non-alcohol polar extractant and organic alcohol, and the weight ratio of the non-alcohol polar extractant to the organic alcohol is 0.5-9: 1. The composite extractant is used for treating the oxygen-containing compound in the C5 hydrocarbon raw material, the oxygen-containing compound in the C5 hydrocarbon raw material can be effectively removed, the loss rate of olefin in the extraction process of the C5 hydrocarbon raw material is reduced, and then the loss of the composite extractant is reduced.
Owner:CHINA ENERGY GRP NINGXIA COAL IND CO LTD

Elastic-plastic plugging particle for oil-based drilling fluid and preparation method of elastic-plastic plugging particle

The invention discloses an elastic-plastic plugging particle for oil-based drilling fluid. The inner core of the elastic-plastic plugging particle is an elastic-plastic rubber particle, and the shell of the elastic-plastic plugging particle is coated with inert nanoparticles. Meanwhile, the invention further provides a preparation method of the elastic-plastic plugging particles for the oil-based drilling fluid. The preparation method comprises the steps of selecting the rubber particles, cleaning, wetting the surfaces, performing ultrasonic vibration spraying and the like. Under the condition of temperature or pressure, the rubber coated with the inert nano-particles can generate elastic deformation, the aperture plugging effect is good, and due to the fact that the shell is coated with the inert particles, the rubber cannot be dissolved in an oil phase, and the rubber still has good elastic deformation capacity and plugging performance under the condition of long-time high-temperature and high-pressure soaking in oil-based drilling fluid.
Owner:CHINA PETROLEUM & CHEM CORP +3

Organic light-emitting layer ink, preparation method and light-emitting layer forming method

The invention discloses organic light-emitting layer ink, a preparation method and a light-emitting layer forming method, and belongs to the field of OLED (organic light-emitting diode). The ink comprises the following components in percentage by mass: 3-30% of organic main body material, 0.1-6% of organic doped light-emitting material, 0-10% of regulator and 54-96.9% of solvent, the organic main body material comprises a hole type organic main body material containing a cross-linking group and an electronic type organic main body material containing a cross-linking group, the ink can generate thermal cross-linking at 100-200 DEG C, the temperature range has no adverse effect on other layers of the OLED, a light-emitting layer after cross-linking has the characteristic of solvent resistance, mutual dissolution of the light-emitting layer and other layers can be avoided, and the light-emitting effect of the OLED is improved. The electron transport layer of the OLED can be prepared through solution processing, and the hole-type organic main body material and the electron-type organic main body material are jointly used as organic main body materials, so that the efficiency roll-off of the light-emitting layer can be effectively reduced.
Owner:JIHUA HENGYE (FOSHAN) ELECTRONIC MATERIALS CO LTD

Liquid constant pressure source device

The invention relates to a constant-pressure hydraulic device, in particular to a liquid constant-pressure source device. The liquid constant-pressure source device comprises a surge tank, an oil tank, a hydraulic pump and a control box. A single-chip microcomputer and a power source thereof are arranged in the control box, and an output end of the single-chip microcomputer is connected with an input end of the hydraulic pump. The surge tank comprises an upper tank body and a lower tank body, the upper tank body and the lower tank body are connected together, the upper tank body is communicated with the oil tank through an oil pipe, a liquid storage chamber is formed in an inner cavity of the upper tank body, the lower tank body is communicated with a compressed air source through an air inlet, and an air storage chamber is formed in an inner cavity of the lower tank body. A pressure detection device is mounted on a rubber isolation device which is mounted between the upper tank body and the lower tank body, and an output end of the pressure detection device is connected with an input end of the single-chip microcomputer. Mutual dissolution of liquid and air can be prevented, and instant liquid pressure wave action generated during pressure changes can be eliminated. In addition, the liquid constant-pressure source device has the advantages of high liquid pressure stabilization precision, simple structure, small size and low production cost.
Owner:LIUZHOU YUANCHUANG EFI TECH

Fabrication method of photoelectric diode and photoelectric diode

ActiveCN109755338AReduce pollutionProtect the surface stateSemiconductor devicesPhotodiodeDielectric layer
The invention provides a fabrication method of a photoelectric diode and the photoelectric diode. The fabrication method comprises the steps of S101, forming an oxide layer on a substrate; S102, forming two first grooves in the oxide layer at intervals, and forming first injection regions at the bottoms of the two first grooves; S103, forming a first opening, two second grooves and a second opening in the substrate, and injecting ions to corresponding positions to form a second injection region, a third injection region and a fourth injection region, wherein the second opening is arranged between the two second grooves; S104, removing the oxide layer, and forming dielectric layers on the substrate; S105, performing etching on the dielectric layers on the first injection region and the third injection region to form contact holes, and forming metal layers in the dielectric layers and the contact holes; and S106, coating photoresist layers on upper surfaces and two sides of the metal layers, etching and removing the dielectric layers which are not covered by the photoresist layers, removing the photoresist layers, and finally obtaining the photoelectric diode. The invention also provides the photoelectric diode, and the surface state and the reliability are improved.
Owner:勒威半导体技术(嘉兴)有限公司

A manufacturing method of bimetallic liquid cladding die forging turnout sliding bed

The invention discloses a bimetal liquid fusion covering and die forging turnout sliding table and a manufacturing method of the sliding table. The sliding table comprises a sliding table body, the bottom of the sliding table body is welded to a turnout base plate, the upper portion of the sliding table is provided with an abrasion-resistant plane matched with the bottom of a dust rail in a sliding mode, and the sliding table body comprises a low-carbon-steel welded base and a martensite stainless steel abrasion-resistant layer welded to the welded base in a liquid die forging mode. The contact face of the bimetal liquid fusion covering and die forging turnout sliding table and the dust rail is free of rust, resistant to abrasion, high in hardness and high in shock resistant value. Weldability of the contact portion of the sliding table and the turnout base plate is good. The bimetal liquid fusion covering and die forging turnout sliding table is low in manufacturing cost, long in service life and stable and reliable in work. According to the turnout sliding table produced through the method, metal crystalline grains of the abrasion-resistant layer of the sliding table are fine, the organizational structure is compact, the phenomena of bubbles, loosening and shrinkage do not exist, and the yield of the turnout sliding table produced through the method is high.
Owner:SHENYANG XINYUAN RAILWAY EQUIP ACCESSORIES CO LTD

Liquid constant-pressure source device

The invention relates to a constant-pressure hydraulic device, in particular to a liquid constant-pressure source device. The liquid constant-pressure source device comprises a surge tank, an oil tank, a hydraulic pump and a control box. A single-chip microcomputer and a power source thereof are arranged in the control box, and an output end of the single-chip microcomputer is connected with an input end of the hydraulic pump. The surge tank comprises an upper tank body and a lower tank body, the upper tank body and the lower tank body are connected together, the upper tank body is communicated with the oil tank through an oil pipe, a liquid storage chamber is formed in an inner cavity of the upper tank body, the lower tank body is communicated with a compressed air source through an air inlet, and an air storage chamber is formed in an inner cavity of the lower tank body. A pressure detection device is mounted on a rubber isolation device which is mounted between the upper tank body and the lower tank body, and an output end of the pressure detection device is connected with an input end of the single-chip microcomputer. Mutual dissolution of liquid and air can be prevented, and instant liquid pressure wave action generated during pressure changes can be eliminated. In addition, the liquid constant-pressure source device has the advantages of high liquid pressure stabilization precision, simple structure, small size and low production cost.
Owner:LIUZHOU YUANCHUANG EFI TECH

Device for extracting zinc by electrodeposition with double electrolytic baths and application of device

The invention relates to a device for extracting zinc by electrodeposition with double electrolytic baths and application of the device, and belongs to the technical field of wet metallurgy. The device comprises an inert anode, a pure aluminum or zinc cathode, an auxiliary electrode I, an auxiliary electrode II, an anode bath, a cathode bath, sulfur-acid-containing electrolyte and zinc-sulfate-containing electrolyte, wherein the inert anode and the sulfur-acid-containing electrolyte are arranged in the anode bath; the aluminum or zinc cathode and the zinc-sulfate-containing electrolyte are arranged in the cathode bath; the inert anode is connected with the positive pole of a power supply; the pure aluminum or zinc cathode is connected with the positive pole of the power supply; the auxiliary electrode I and the auxiliary electrode II are respectively arranged in the anode bath and the cathode bath; and the auxiliary electrode I is connected with the auxiliary electrode II through a wire. The double electrolytic baths are used in the device, and decoupling of a metal zinc electrodeposition extracting process and a cathode and anode reaction process is realized, namely, cathode deposition and anode oxygen evolution of metal zinc are separately implemented in the different electrolytic baths.
Owner:KUNMING UNIV OF SCI & TECH

A connection structure and brazing method for welding titanium and copper by using multi-intermediate brazing filler metal

ActiveCN112605551BAvoid miscibilityElimination of brittle interfacial reaction productsSoldering apparatusWelding/soldering/cutting articlesTitaniumCopper
The invention discloses a connection structure for welding titanium and copper by using multi-intermediate layer brazing material, which comprises a titanium base material and a copper base material. The structure of the intermediate layer includes a brazing filler metal 1 and a brazing filler metal 2. A refractory metal intermediate layer is arranged between the brazing filler metal 1 and the brazing filler metal 2, and the refractory metal intermediate layer does not melt within the brazing temperature range; the brazing filler metal 1 is located in the titanium base metal. Between the interlayer of the refractory metal and melting at the brazing temperature to realize the diffusion brazing connection; the brazing filler metal 2 is located between the interlayer of the refractory metal and the copper base material, and melts at the brazing temperature to realize the active brazing connection The brazing method comprises the following steps: pre-treatment of the surfaces to be welded of titanium base material and copper base material; pre-treatment of multi-intermediate layer materials; assembly of brazed components; brazing in furnace; solving joints in conventional titanium-copper welding The problem of generating a large amount of brittle intermetallic compounds at the interface leads to a titanium-copper joint without brittle interface reaction products.
Owner:CHONGQING UNIV OF TECH

Electron transport layer inkjet printing ink and preparation method thereof

The invention provides an electron transport layer inkjet printing ink and a preparation method thereof. The preparation method of inkjet printing ink for electron transport layer of the present invention adopts ionic conjugated polyelectrolyte as solute, alcohol compound as solvent, and obtains an electronic ink suitable for inkjet printing technology by adjusting the proportion, viscosity and surface tension of each component. The inkjet printing ink for the transport layer, the inkjet printing ink for the electron transport layer can meet the process requirements of inkjet printing, realize the inkjet printing method of the electron transport layer, and can avoid the electron transport layer and the adjacent structural layer in the OLED preparation process. The phenomenon of mutual dissolution occurs between them, which is conducive to the realization of the production of all-solution OLED devices. The electron transport layer inkjet printing ink of the present invention is prepared by the above method, can meet the process requirements of inkjet printing, realize the inkjet printing method of the electron transport layer, and is beneficial to realize the production of full solution OLED devices.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products