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197results about How to "Solve the adhesion" patented technology

Water-based cutting fluid used in slice machining of hard brittle crystal material and preparation method of water-based cutting fluid

The invention discloses a water-based cutting fluid used in slice machining of a hard brittle crystal material, comprising the following compositions: base oil, organic amine, organic acid, synthetic ester, emulsifier, rust and corrosion inhibitor, dispersion flocculation and hard-water resisting agent, antiseptic bactericide, antifoaming agent, coupling agent, adjuvant and a proper amount of water. Aiming at the machining techniques of inner circle slicing and outer circle slicing, the water-based cutting fluid has good generality, lubricity, strong antirust property and a long service life; when the cutting fluid is used, the machining situation can be observed easily, the cooling property is good, the cleaning and the permeability are strong, cuttings subside easily, and the machining problems of machining error, crack and the like caused by cutter blocking, abrasion and the like are solved; according to the invention, the problems that cuttings are easy to adhere and suspend, a cutter is seriously abraded, a machined product cracks easily, the accuracy is not high, the machining efficiency is low, the later period cleaning is complex and the like existing in the current slice machining of the hard brittle crystal material are solved, and further, a machine bed is protected, and the cost is reduced.
Owner:AMER TECH CO LTD

High-speed photocuring 3D printing device and printing method

ActiveCN105014974AInhibition of attachmentTroubleshoot disruptive technical issuesAdditive manufacturing apparatusEngineeringGlass sheet
The invention discloses a high-speed photocuring 3D printing device and method. The device comprises a liquid pool filled with liquid photosensitive resin, a printing platform and a radiation source. A transparent plate corresponding to the printing platform and the radiation source is arranged at the bottom of the liquid pool. The side, facing the printing platform, of the transparent plate is covered with a transparent anti-bonding coating. The device further comprises a liquid outlet and a liquid inlet which are formed in the side wall of the liquid pool, a pipeline connecting the liquid outlet and the liquid inlet, and a drive unit which is arranged on the pipeline and used for driving the liquid photosensitive resin to flow among the liquid outlet, the liquid inlet and the pipeline. A curing window is coated with the transparent anti-bonding coating, and therefore the problem that the curing photosensitive resin is bonded and attached to a glass plate due to excessively fast laser radiation is avoided. Pipelines promoting flowing of the liquid photosensitive resin are arranged on the two sides of a printing area, the mobility of the photosensitive resin near the printing area is improved, supplementing of the photosensitive resin is accelerated, and rapid printing of the SLA is achieved.
Owner:苏州智能制造研究院有限公司

Touch control display panel, driving method and touch control display device

The invention discloses a touch control display panel, a driving method and a touch control display device. The touch control display panel comprises a substrate, a control unit, a plurality of public electrode blocks, a plurality of first wires, a plurality of second wires and at least two third wires, wherein the substrate comprises a display area and a non-display area, the control unit is arranged in the non-display area; the public electrode blocks are arranged in the display area at intervals in an array mode, reused as touch control electrodes and are divided into at least two public electrode groups according to the distance from the control unit; the first wires are in electric connection with the first public electrode blocks respectively; the second wires are in electric connection with the control unit, each second wire is in electric connection with the corresponding first wire in the touch control stage and inputs a touch control signal to the first wire; at least two third wires are in electric connection with the control unit, and the third wires are in electric connection with the first wires corresponding to the public electrodes in the display stage. The touch control display panel, the driving method and the touch control display device can solve the technical problems of display screen flash and image adhesion and improve the display effect of a display screen.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1

Anti-sticking and wear resistant polyurea coating and its preparation method

The invention relates to an anti-sticking and wear resistant polyurea coating and its preparation method. The coating is prepared by blending of component A and component B. Specifically, the component A is synthesized by the following raw materials by weight: 90-120 parts of isocyanate, 40-60 parts of polyether polyol and 20-30 parts of fluorocarbon diol; and the component B is prepared by the following raw materials by weight: 500-800 parts of polyether amine, 400-600 parts of organosilicon diamine, 300-400 parts of high activity polyether polyol, 400-500 parts of an amino chain extender, 80-100 parts of an amino cross-linking agent, 100-150 parts of a high boiling point diluent, 5-10 parts of a composite catalyst, 400-600 parts of composite nano-metal oxide surface active materials, 600-800 parts of a filling material, and 40-60 parts of a pigment. The invention also includes a preparation method of the anti-sticking and wear resistant polyurea coating. A coating layer obtained by spraying of the anti-sticking and wear resistant polyurea coating in the invention has strong adhesion, and has good adhesion resistance, wear resistance, corrosion resistance, as well as impact resistance. Therefore, the anti-sticking and wear resistant polyurea coating of the invention is especially suitable for spraying on the lining surface of a heavy transport dump truck.
Owner:湘江涂料科技有限公司

Preparing heterojunction solar cell method of combining wet process deposition with low temperature heat treatment

The invention relates to a preparing heterojunction solar cell method of combining wet process deposition with low temperature heat treatment. The preparing heterojunction solar cell method of combining the wet process deposition with the low temperature heat treatment is characterized in that metal grate lines are deposited on a single-face transparent conducting layers or a double-face transparent conducting layers, the low temperature heat treatment is conducted to alloying, wherein (1) the metal grate lines at least comprise metal contact layers, metal conducting layers and metal welding layers, the metal contact layers are located on the transparent conducting layers, and the metal conducting layers, and the metal welding layers are located on the metal contact layers in sequence; (2) the wet process deposition comprises electro-deposition, or light induction deposition, or chemical deposition, or the combination of the electro-deposition, and the light induction deposition and the chemical deposition ; (3) the low temperature heat treatment alloying can form good contact and adhesion property. The preparing heterojunction solar cell method of combining the wet process deposition with the low temperature heat treatment has the advantages that the metal grate lines which have no silvers or little silvers are achieved, cost is reduced, and the low temperature heat treatment is matched with existing heterojunction solar cell processing. In a word, preparing heterojunction solar cell method of combining the wet process deposition with the low temperature heat treatment has no seed layer electrofacing, the metal layers are metal or alloy which have specific temperature characteristic, the good contact and the adhesion property can be formed with transparent conducting films under the heat treatment temperature of 250 DEG C.
Owner:ZHONGWEI NEW ENERGY CHENGDU CO LTD

Regulation and control method of flexible molybdenum substrate-based cadmium-doped copper zinc tin sulfur selenium thin film with band gap gradient

The invention relates to a regulation and control method of a flexible molybdenum substrate-based cadmium-doped copper zinc tin sulfur selenium thin film with a band gap gradient. The regulation and control method comprises the steps of performing cleaning on a flexible molybdenum foil sheet by an electrodeposition method firstly; and next, adopting a solution method for dissolving elementary substances and a post selenylation processing mode to realize changes of the CZCTSSe thin film with band gap gradient through a stacking layer, wherein the method can be used for preparing a thin film solar battery with CZCTSSe thin film with band gap gradient. By adopting the flexible molybdenum as the substrate and by virtue of high-purity molybdenum foil, the problem of adhesiveness between the thin film and the substrate can be solved; a sputtering metal conductive back contact layer in the battery structure is replaced, so that the manufacturing cost is lowered; by adopting the solution method to dissolve the elementary substances for preparing a precursor solution, the shortcoming of impurity ion introduction in metal salt dissolving is avoided; and in addition, the solution method is low in cost, simple in process, capable of realizing large-area production easily, green and environment friendly, capable of satisfying requirements of large-scale batch production and commercialization, and high in practicability.
Owner:FUZHOU UNIV

Thermal-resistance-processed silicon carbide back metal thickening method

The invention relates to a thermal-resistance-processed silicon carbide back metal thickening method. The method comprises the following steps of 1) forming a metal layer on the back surface of a SiC wafer through evaporation or sputtering, and forming an ohmic contact after an annealing process; forming a stopping metal layer on the back surface ohmic contact through evaporation or sputtering; 3) applying a layer of resin onto the front surface of the SiC wafer, heating the SiC wafer in a drying oven to solidify the resin; 4) performing coating protection, wet HF corrosion, cleaning and drying on the front surface of the SiC wafer; 5) forming thickening metal on the back surface of the SiC wafer through sedimentation; 6) performing photoresist removal and scribing, and after a chip is sintered onto a carrier, performing shear assessment. The thermal-resistance-processed silicon carbide back metal thickening method has the advantages of solving the problem of infirmness of the back surface metal of a high-temperature-processed SiC power device, and by means of the stopping metal layer sputtered onto the back surface ohmic contact, which can be diffused to combine with C on the surface of the ohmic contact after the high-temperature processing process, avoiding forming a dissociative C layer and guaranteeing the firmness and reliability of the back surface thickening metal.
Owner:NO 55 INST CHINA ELECTRONIC SCI & TECHNOLOGYGROUP CO LTD

MEMS micro array structure processing method based on micro-electroplating

The invention discloses a MEMS micro array structure processing method based on micro-electroplating, and more specifically relates to a mask preparation method via semiconducting material deep etching processing, and belongs to the technical field of semiconducting material processing. A SiC material is taken as an example. The MEMS micro array structure processing method comprises following steps: SiC substrate preparation; photoetching pattern forming; seed layer preparation via magnetron sputtering; secondary photoetching pattern forming; preparation of an electroplate liquid; and preparation of metal layers via electroplating. A electroplate liquid component is optimized, micro electroplating conditions are modified, adhesive force of a coated metal with a substrate is increased, uniformity and thickness of the coated metal are increased, and a prepared metal coating is capable of satisfying requirements of SiC deep etching processing of a mask layer, and expanding applications of silicon carbide in related device preparation via a novel mask structure. The MEMS micro array structure processing method is capable of providing technical supports for applications of SiC pressure sensors at severe environments (high temperature, high pressure, strong corrosion, and strong radiation).
Owner:SHANGHAI NORMAL UNIVERSITY

Water-based paint special for pinewood of furniture for children

The invention discloses a water-based paint special for pinewood of the furniture for children, and belongs to the technical field of chemical paint. The construction technology of the water-based paint comprises the steps of: firstly, sanding the pinewood by 240# sand paper, uniformly erasing water-based keel sealing agent, wherein the using amount of the water-based keel sealing agent is 60-100 g / sq.m., and the water-based keel sealing agent is rapidly combined with wood fiber so as to enable coarse fiber or wood keels to be swelled; sanding by 320# sand paper after three hours, and then uniformly spraying water-based tannin sealing primer for preventing the pinewood from yellowing and preventing oil from oozing at a high temperature, wherein the using amount of the water-based tannin sealing primer is 140-160 g / sq.m.; and sanding by 320# sand paper after three hours, at least uniformly spraying water-based finish paint, thus completing the construction, and then sampling, detecting, discharging and putting into storage, wherein the using amount of the water-based finish paint is 100-130 g / sq.m. The water-based paint special for pinewood of the furniture for children has the advantages of being environment-friendly, free of environmental pollution, simple and convenient in production technology, particularly suitable for the painting requirement of the furniture for children, good in mechanical property, greatly improved in scratch resistance and high-temperature after-tack resistance, and convenient for construction operation and the like.
Owner:SHANGHAI JINQIANG ADHESIVE

Device for jet milling of viscous material and gathering of dust

The invention relates to a device for jet milling of a viscous material and gathering of high-density powder and dust with certain viscosity. The device comprises a powder gathering apparatus, a deduster and a jet pulverizer. The powder gathering apparatus is connected to the deduster; the powder gathering apparatus comprises a discharging pipe, a powder gathering bag, a powder gathering case and a powder gathering barrel. The jet pulverizer is arranged outside on the top of the powder gathering case; the powder gathering bag is arranged in the powder gathering case; the discharging pipe passes through the top of the powder gathering case; the lower end of the discharging pipe is connected to the powder gathering bag, and the upper end of the discharging pipe is connected to the jet pulverizer; and the powder gathering barrel is arranged at the bottom of the powder gathering case and is connected to the lower end of the powder gathering bag. The device for ultrafine grinding and gathering provided by the invention does not contain a machinery rotary part, or employ a cyclone separator for gas-solid separation or a fixed pipeline for conveying a finished product and high speed dust-laden gas, so as to effectively solve the problems of adherence and obstruction of the viscous material under the effect of high speed jet; and an antistatic collection cloth bag timely eliminates statics, reduces obstruction of the dust on the apertures of the filter cloth of the powder gathering bag and facilitates material collection and gas-solid separation of the dust.
Owner:NANJING UNIV OF SCI & TECH

Equipment for performing wet-method flue gas desulfurization and producing gypsum by discarded carbide slag

The invention discloses equipment for performing wet-method flue gas desulfurization and producing gypsum by discarded carbide slag. The equipment mainly comprises a wet-method flue gas desulfurization part, a carbide slag pretreatment part and a gypsum slurry retreatment part, wherein a hollow annular boss with a slurry spray nozzle is arranged below a slurry spray layer and on the inner wall of a spray tower cylinder body of the wet-method flue gas desulfurization part, so that the problem of flue gas 'short circuit' in the spray tower cylinder body is solved; according to the carbide slag pretreatment part, the problem of the stoppage of a filter layer in the process of separating the carbide slag slurry is solved by the design of a first rotation separator with a cleaning function; and according to the gypsum slurry retreatment part, an expensive cyclone separator in the conventional gypsum separation equipment is replaced effectively by the design of a second rotation separator with the cleaning function. According to the equipment, the flue gas desulfurization of fire coal, the comprehensive utilization of the discarded carbide slag and the processing of the gypsum serving as a desulfurization byproduct are integrated organically, and the equipment has a simple structure, is stable in running and high in desulfurization efficiency, treats wastes with the wastes and meets the requirement of current environment friendliness.
Owner:WUHAN YONGQING ENVIRONMENTAL PROTECTION TECH ENG

Polyureas copolymer with main chain containing siloxane composition unit and preparation method thereof

The invention discloses a polyureas copolymer with a main chain containing siloxane composition units; the polyureas copolymer comprises the following constitution units: polysiloxanes constitutional units of aminoalkyl termination; polyether constitutional units of high-molecular amino termination; polyether alcohol or polyester alcohol constitutional units; single molecule chain extension double amine or low molecular amino termination polyether constitutional units; isocyanate constitutional units. Through the design of polysiloxanes molecular composition of aminoalkyl termination and adjustment of molecule mass; on one hand, a reaction amino group and an alkyloxy crosslinking group are introduced on a terminal group; on the other hand, a chain alkyl group or a perfluoro alkyl group are designed on a side chain; simultaneously three function hydroxy or amino groups are embedded in the composition, thereby obtaining excellent anti adhesiveness, abrasion resistance, corrosion resisting, impact resistance and anti contamination functions, effectively preventing contamination objects from pasting on special equipment, improving anti pollution function, solving adherence of adherence fluid, anti pollution and wearing corrosion problems, satisfying demands of different application fields, and prolonging service life of the special equipment.
Owner:HUBEI UNIV +1
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