17results about How to "Extended permeation path" patented technology

This invention provides a high-hygroscopic, water-free composite gel-type calcium and magnesium salt tablet and its preparation method, which is made from the following raw materials in parts by weight: 45-70 parts calcium and magnesium salt, 15-25 parts gum arabic, 3-15 parts mica powder, 2-12 parts polyethylene oxide, 0.5-2 parts sodium nitrite, and 2-30 parts gelatin. This tablet exhibits high hygroscopicity and excellent physical properties.

The application relates to the technical field of food packaging materials, and discloses an antibacterial taro silk cake food packaging bag and a preparation method thereof. The antibacterial taro silk cake food packaging bag comprises an inner laminating layer and an outer functional layer. The preparation method of the antibacterial taro silk cake food packaging bag is as follows: prepared inner laminating layer material and outer functional layer material are respectively added into two hoppers of a two-layer co-extrusion blow molding machine, the extrusion temperature of the inner laminating layer is set to 160-180 DEG C, the extrusion temperature of the outer functional layer is set to 180-200 DEG C, the composite film is obtained by blow molding after head compounding, the composite film is cut into the required size, and then heat sealing is carried out under the conditions that the heat sealing temperature is 140-150 DEG C and the heat sealing time is 2-3 seconds to obtain the antibacterial taro silk cake food packaging bag. The antibacterial taro silk cake food packaging bag has good mechanical, barrier and antibacterial properties.

The present application relates to the technical field of silicone rubber material, in particular to a sericite modified silicone rubber material and a preparation method thereof.The present application overcomes the problems of poor dispersion of sericite in the organic silicon matrix and poor compatibility of fluorosilicon and common silicon.The silicone rubber material is prepared from polysiloxane hybrid base glue prepared by in-situ polymerization of fluorine-containing / ethenyl double modified sericite, fluorosilicon raw rubber, methylphenylvinyl silicone rubber, MQ silicone resin, hydrogen-containing silicone oil and vulcanizing agent;the preparation process involves double functional group grafting on the surface of sericite, monomer in-situ ring-opening polymerization coating, multiphase blending to build interpenetrating network and hydrogen-containing silicone oil chain extension to cooperate with gradient vulcanization, through building a rigid-flexible stereo enhanced network, the material is endowed with excellent oil resistance, heat resistance and high mechanical strength, and can be used in the field of automobile manufacturing.

The utility model discloses a kind of dynamic sealing waterproof structure and lathe spindle box, including main shaft flange, sheath, front gland and rear end sealing assembly, the outer circle of main shaft flange is provided with water throwing groove outwardly with slope, cooling liquid is thrown to the water accumulation groove of sheath inner wall by centrifugal force, and discharge through drain hole, the annular protrusion of front gland and the positioning groove of main shaft flange form labyrinth seal, extend liquid penetration path, residual penetration is blocked by combining internal turbulent flow and pressure difference, rear end is sealed by rear sealing ring and rear gland Dustproof Anti-fog by axial;When main shaft rotates, flange outer circle and shaft neck form outward airflow, cooperate with centrifugal force to accelerate drainage and block backflow;Multi-stage sealing design adapts full speed condition, low speed relies on mechanical water throwing, high speed uses pressure difference to strengthen efficiency, compact structure and convenient maintenance, significantly reduce leakage risk, prolong bearing life, applicable to complex workpiece efficient processing.

This invention discloses a D230-GO / CS-EP composite anti-corrosion coating and its preparation method, belonging to the field of polymer materials technology. The composite anti-corrosion coating disclosed in this invention comprises epoxy resin E51, polyetheramine-D230 curing agent, chitosan (CS), isophorone diisocyanate (IPDI), and aminated graphene oxide (D230-GO) grafted with polyetheramine-D230. Specifically, by using isophorone diisocyanate (IPDI) to covalently crosslink the epoxy resin and chitosan, the compatibility problem of chitosan in epoxy resin is successfully solved. Simultaneously, the aminated graphene oxide is uniformly dispersed in this crosslinked network, and its large specific surface area and excellent barrier properties significantly improve the density and interfacial bonding strength of the coating. Furthermore, the covalent crosslinked network formed by chitosan and epoxy resin can enhance the self-healing properties of the epoxy resin coating itself.

The application provides a display panel and a display device, wherein the display panel comprises a display area and a non-display area, the non-display area is arranged around the periphery of the display area; the non-display area of the display panel comprises a substrate, a buffer layer arranged on one side of the substrate, a planar layer arranged on the side of the buffer layer away from the substrate, an inorganic encapsulation layer arranged on the side of the planar layer away from the buffer layer, and a touch insulation layer arranged on the side of the inorganic encapsulation layer away from the planar layer; wherein the buffer layer is provided with a convex area along a first direction, the convex area is located in the orthographic projection of the planar layer on the buffer layer; the first direction is the direction from the display area to the non-display area; the side of the buffer layer away from the convex area along the first direction is provided with an opening structure; the opening structure penetrates to the substrate along the thickness direction to deposit the inorganic encapsulation layer and the touch insulation layer.

This invention relates to the field of alloy bracket materials technology, and discloses a photovoltaic bracket material resistant to damp heat corrosion and its preparation method, comprising the following steps: a steel coil is sequentially degreased with alkaline solution, pickled with hydrochloric acid, and finally rinsed with hot water and dried to obtain a clean steel coil; the clean steel coil is hot-rolled, cooled, and coiled to obtain a hot-rolled steel coil; the hot-rolled steel coil is immersed in a composite plating solution for continuous hot-dip galvanizing, cooled, and finished to obtain the photovoltaic bracket material. This method can form a damp heat corrosion resistant layer on the surface of the photovoltaic bracket material, and the damp heat corrosion resistant layer has extremely strong adhesion to the steel substrate, avoiding the problems of rust and coating peeling that easily occur during long-term service of the photovoltaic bracket material.

The present disclosure relates to a display device. The display device includes a substrate in which a display area and a non-display area are defined, a thin film transistor disposed on the substrate corresponding to the display area, a gate driver disposed on the substrate corresponding to the non-display area, a protection layer disposed to cover the thin film transistor and the gate driver, a planarization layer disposed on the protection layer and including a plurality of openings exposing at least a portion of the protection layer in the non-display area, an organic light emitting diode disposed on the planarization layer so as to be electrically connected to the thin film transistor in the display area, and a nanoparticle layer disposed above the protection layer overlapping the plurality of openings. The nanoparticle layer includes nanoparticles surface-modified with a hydrophobic functional group.

This invention belongs to the field of materials preparation and discloses a method for preparing plate-like zinc phosphate, comprising the following steps: (1) adding an inducing agent to a phosphoric acid solution; (2) adding the mixed solution from step (1) to a zinc oxide slurry, stirring the mixture at 60-90°C, and filtering and drying the reaction product after the reaction to obtain plate-like zinc phosphate. This invention directly controls the growth morphology of plate-like crystals through an aqueous synthesis reaction, eliminating the need for ultrafine grinding, reducing process flow and equipment investment, lowering energy consumption per unit product, and meeting the requirements of green manufacturing.

This invention relates to a rapid-curing epoxy floor coating and its preparation method, belonging to the field of coating technology. Through the synergistic effect of hydrophobic modification of siloxanes and shielding by three-dimensional network blended fillers, a comprehensive anti-corrosion and water-resistant system from the surface to the interior is constructed. This solves the common industry problems of high water absorption, easy water vapor penetration, easy whitening and blistering under long-term high humidity, and interlayer delamination in traditional water-based epoxy floor coatings. In the preparation process of the modified epoxy resin, long-chain hydrophobic flexible segments of polypropylene glycol are introduced, and hydrophobic segments are also introduced through esterification grafting to achieve physical hydrophobicity. Then, hyperbranched macromolecules are synthesized in situ, and flexible acidified polyamide is covalently bonded to rigid lanthanum trioxide, constructing a continuous three-dimensional cross-linked network inside the coating. This fills the micropores of the epoxy matrix, extends the penetration path of corrosive media, and improves the anti-corrosion performance of the epoxy floor coating in harsh corrosive environments.

This utility model relates to the field of compressor technology, specifically disclosing a cover plate, a control box, and a compressor. The cover plate includes a cover body and a light-transmitting plate. One of the light-transmitting plate and the cover body is provided with a groove, and the other is provided with a protrusion. Both the groove and the protrusion are annular and arranged around the opening. When the protrusion and the groove are in the insertion state, the gap between at least two insertion mating surfaces of the protrusion and the corresponding insertion mating surfaces of the groove is filled with a connecting layer. The connecting layer is used to seal the gap between at least two insertion mating surfaces of the protrusion and the corresponding insertion mating surfaces of the groove, which can effectively extend the liquid penetration path, strengthen the structural strength of the connection position between the light-transmitting plate and the cover body, reduce the damage to the connecting layer caused by the shear force formed at the connection due to the warping deformation of the cover body or the light-transmitting plate, and improve the sealing stability of the connecting layer.

The utility model relates to gate coating technical field, and disclose a kind of gate stain-resistant anticorrosive bionic nano coating structure, comprising: gate substrate, its outer surface is equipped with coating part, coating part is from inside to outside in turn base layer, primer, intermediate coating, functional layer and nano anticorrosive coating, base layer is treated by sand throwing, can increase gate substrate surface roughness, improve the bonding force with subsequent primer, ensure that coating adheres firmly;Primer uses polyurethane cloud iron labyrinth rust-proof technology, utilize labyrinth structure to prolong the penetration path of corrosive medium, enhance rust protection;Intermediate coating is inorganic silica-alumina ceramic coating, with excellent chemical stability and wear resistance, can further block outside corrosive medium invasion, improve overall protection performance;Functional layer and nano anticorrosive coating use nano bionic lotus leaf hydrophobic layer, with water-repellent effect, reduce moisture adhesion by virtue of superhydrophobic characteristics, reduce stain adhesion ability.

The utility model discloses a kind of sealing structure and layered water taking device, sealing structure includes cabin and cover plate, the side of cabin towards the cover plate is provided with annular groove, the cover plate is embedded in the annular groove, the cabin and the cover plate are connected by fastener, the cabin defines installation cavity, electrical assembly is equipped in the installation cavity, first sealing element is clamped between the inner wall of the annular groove and the cover plate, second sealing element is clamped on the opposite large surface of the cabin and the cover plate, the first sealing element and the second sealing element are sequentially annularly arranged outside the electrical assembly and are spaced apart. According to the sealing structure of the application, water vapor can be isolated, and the sealing performance is good.

The application discloses a high-air-tightness door frame for an intelligent armored door and a processing equipment thereof. The door frame comprises a high-air-tightness inner frame and a compensation sealing element. The high-air-tightness inner frame is a three-step-face inner frame structure. A hard sealing strip is arranged on the lower step face, a soft sealing strip is arranged on the middle step face, and the upper step face is provided with the compensation sealing element. The compensation sealing element is elastically and slidably installed in a compensation recess through a spring. A dust-blocking table is arranged above the opening of the compensation recess, and the opening is in a horn shape. The processing equipment comprises a processing platform, a clamping hydraulic cylinder, a limiting air cylinder, an inner frame horizontal limiter and an inner frame vertical limiter. The inner frame horizontal limiter is provided with horizontal rollers, and the inner frame vertical limiter is provided with vertical rollers. The three-step-face inner frame and the compensation sealing element form a multi-stage ladder type sealing system, dynamic self-adaptive compensation is realized, automatic and accurate assembly is completed in cooperation with the special processing equipment, and the air tightness, long-term use stability and assembly efficiency of the door frame are significantly improved.

This invention discloses a high-temperature resistant and electrolyte-resistant insulating powder coating and its preparation method, belonging to the field of powder coating technology. The high-temperature resistant and electrolyte-resistant insulating powder coating prepared by this invention comprises, by weight, 304-308 parts epoxy resin, 76-80 parts organosilicon epoxy resin, 100-102 parts curing agent, 0.7-1 parts accelerator, 2-5 parts leveling agent, 2-3 parts defoamer, 0.8-1 parts benzoin, and 10-20 parts composite filler. The organosilicon epoxy resin is obtained by reacting polymethylhydrosiloxane, unsaturated hindered amine, 2-(allyloxy)naphthalene, and unsaturated epoxy monomers. The composite filler is obtained by compounding hexagonal boron nitride with aluminum nitride modified by a silane coupling agent. The high-temperature resistant and electrolyte-resistant insulating powder coating prepared by this invention exhibits good high-temperature resistance, electrolyte resistance, thermal conductivity, and mechanical properties.

This invention relates to the field of plastics technology, specifically to a high-oxygen-barrier plastic bottle and its preparation method. The invention involves uniformly mixing polyethylene, ethylene-vinyl alcohol copolymer, nylon oligomer, compatibilizer, and high-performance barrier material to obtain a mixture; the mixture is then melt-extruded and injection-molded to obtain a preform; the preform is then placed in a blow molding die, inflated, and cooled to obtain the finished plastic bottle. This finished plastic bottle possesses excellent barrier properties, antioxidant properties, and antibacterial properties, thus having broad application prospects in the field of plastics technology.

This utility model provides a waterproof reinforcement structure for houses, belonging to the field of building construction, to solve the problems of multiple leakage risks and high construction difficulty in traditional waterproof reinforcement. It includes a base reinforcement board; an "S"-shaped upper water-blocking connecting strip is fixedly connected to the rear top of the base reinforcement board, an "S"-shaped lower water-blocking connecting strip is fixedly connected to the rear bottom of the base reinforcement board, a left drainage connecting strip is fixedly installed on the rear left side wall of the base reinforcement board, and a right drainage connecting strip is fixedly installed on the front right side wall of the base reinforcement board. Both the right and left drainage connecting strips are arc-shaped, with adjacent right drainage connecting strips on the left and right sides of the base reinforcement board pressing against the front left side of the left drainage connecting strip. In this waterproof reinforcement structure, adjacent base reinforcement boards are interlocked through the "S"-shaped upper and lower water-blocking connecting strips, creating a stepped waterproof barrier that greatly extends the water penetration path and effectively prevents leakage. The concave-convex fit and arc design of the left and right drainage connecting strips form a guide channel to guide water flow.