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

767results about How to "With waterproof function" patented technology

Method and system for basement engineering water proof and water drain

A basement engineering waterproof and drainage method is provided. The wall footing of the outside wall in basement engineering is embedded in watertight or micro-watertight soil rock layer or cement soil layer. The wall footing intercepts water by a thin-part structure. The cushion of the basement engineering soleplate and the falling layer of the top board are composed of combined water-proof layers. The late poured band, the movement joint and the horizontal construction joint at the lower part of the outside wall are treated by a water-proof structure combined with waterproofing measures. The basement engineering is provided with a drainage system. The groundwater and surface water at the soleplate are drained into city drainage pipelines via a soleplate part of the drainage system. The rainwater of overburden layer bottom of the top board is then drained into city drainage pipelines via the indoor part of the drainage system. The invention is designed by adopting a one-body method of arranging the basement engineering waterproofing, drainage and anti-floating as well as underground engineering space enclosing structure and pipelines, thereby shortening the construction period, reducing the engineering cost, increasing the durability and reliability of underground building space enclosing structure and waterproof layer as well as pipelines.
Owner:朱邃科 +2

Sticking modified asphalt waterproof coiled material and adhesive, as well as preparation method and application thereof

The invention relates to the field of waterproofing materials and waterproofing work, providing a bonded modified asphalt waterproof roll material, matched bonding adhesive, a preparation method and the assorted application thereof in the waterproofing work. The bonded modified asphalt waterproof roll of the invention adopts a basic tyre as a frame, a modified asphalt layer and a surface layer are sequentially stuck to the surface of the basic tyre, one face of the surface layer is polyester non-woven fabric, and the other face is polyester non-woven fabric, polyethylene film, aluminum foil, color sand or cleaving stone. The bonding adhesive of the invention comprises the following components: 60 to 120 portions of asphalt, 3 to 30 portions of affinity agents, 2 to 20 portions of phenolic resin and 30 to 180 portions of filling agents. During the application of the invention on the waterproofing work, one to three layers of bonding adhesive and the bonded modified asphalt waterproof roll are laid and stuck to a basic layer as a waterproof layer. The invention has the advantages of absence of thermal construction, effective blockage of direct leakage points of the basic layer and complicated parts of a building, strong binding force, normal construction under low temperature environment, etc.
Owner:BEIJING JIANGUO WEIYE WATERPROOF MATERIAL

Solar photovoltaic junction box component

The invention discloses a solar photovoltaic junction box component, comprising a box body, a box cover and external cables. An electric connector is arranged in the box body and at least comprises sheet metals which are simultaneously connected with the positive electrode and the negative electrode of a solar-cell panel and connectors which form electric connection with the external cables. Gel potting cavities for injecting gels are formed between access positions of the external cables in the box body and the connectors. Compared with the prior art, the solar photovoltaic junction box component has the advantages that part of the external cables in the box body is in sealing connection with the box body by using the gels, thus being capable of reliably preventing water from entering into the box body through gaps between the box body and the external cables. In addition, first coating forming structures are formed at the access positions between the external wall of the box body and the external cables; second coating forming structures are formed at electric connection positions between bare wires of the external cables in the box body and the connectors; and the first coatingforming structure and the second coating forming structure can be used to reliably fix the external cables on the box body, and have a water-proof function.
Owner:TYCO ELECTRONICS (SHANGHAI) CO LTD

Nanocrystalline wood floor geothermal composite structure

The invention discloses a nanocrystalline wood floor geothermal composite structure, comprising an extruded sheet thermal-protective coating and a heat conduction floor layer. The technical key points are as follows: the upper part of the extruded sheet thermal-protective coating is evenly provided with closed grooves, the upper part of the extruded sheet thermal-protective coating and the closed groove positions are respectively distributed with a heat conduction layer evenly, a heating cable is paved in the closed groove with the heat conduction layer, and the upper part of the heat conduction layer is directly paved with the heat conduction floor layer with a wear-resistant surface course. The composite structure is not manufactured by lyophobic materials, thus having waterproof function. When in use, a user can set the temperature by proper motion as required, and especially at night, night off-peak electricity is introduced for warming, thus alleviating the peak electricity conflicts of a grid transmission system, replacing a coal-fired boiler and satisfying large area heating. The invention also has the characteristics of simple and reasonable structure, environment protection without pollution, small occupied area, low heating cost, long service life, wide application range, capability of being widely used indoor and outdoor and the like.
Owner:吉林爱尔得板材科技有限公司

Printable ultraviolet light solidified waterproof printing ink for optical disk

The invention relates to an ultraviolet light solidified waterproof printing ink, which comprises the following ingredients, using the total weight of the printing ink as reference, 13%-16% of water-soluble monomer, 15%-21% of water-soluble resin, 21%-25% of hydrophobic monomer, 7%-12% of hydrophobic resin, 1%-3% of dispersing agent, 5%-10% of photoinitiator, and 22%-32% of additive. A formula of the invention can reach balance between hydrophilism and hydrophobicity, wherein after UV crosslinking solidification, hydrophilic monomers and hydrophilic resin can absorb ink coating; and at the same time, the hydrophobic monomers and the hydrophobic resin form a hydrophobic coating after solidification, so that the ink is waterproof.
Owner:东周化学工业(昆山)有限公司

Building brickwork and masonry construction method of building brickwork

InactiveCN104358341AMeet the requirements of self-insulation systemSolve common quality problemsConstruction materialWallsMaterials scienceConcrete composites
The invention discloses a building brickwork and a masonry construction method of the building brickwork, and relates to a building brickwork of a building. The building brickwork is a brickwork which is built by light-weight aggregate concrete composite blocks; grooves and tongues are formed in the periphery of each light-weight aggregate concrete composite block; the light-weight aggregate concrete composite blocks are respectively 600-1200mm in length, 300-600mm in height and 80-200mm in thickness; the grooves are downward and the tongues are upward in field masonry; and the masonry construction method comprises the following steps: (1) building the brickwork by the blocks, namely building the first block on a foundation or floor ground, building the second composite block in a manner of being staggered with the first block, wherein the staggered-joint is 1 / 2 of the length of the block and is not smaller than 200mm at least; the composite block brickwork is connected with a building structure column and a concrete shear wall; the composite block brickwork is connected with building structure beams and plates; the building brickwork is subjected to deformation joint construction; a parapet wall is subjected to masonry construction; a switch socket is pre-buried and installed; and cable pipelines are laid; (2) fixing door frames and window frames; and (3) building a wall body corner structure by the light-weight aggregate concrete composite blocks.
Owner:FUJIAN MEIJINLAI GREEN BUILDING TECH +1

Nano microcrystal wood floor and production method thereof

The invention discloses a nano microcrystal wood floor and a production method thereof. The technical point is that the nano microcrystal wood floor comprises the following components: PVC-S-4 or PVC-S-5 type PVC resin, heavy calcium carbonate with 250-800 meshes, nanoscale heavy calcium carbonate, flexibilizer, PVC dedicated coupling agent and heat stabilizer. The method comprises the following steps: evenly mixing the above components according to a certain proportion, drying, extruding a plate-type structure through an extruder according to a mould; vacuum sizing, cutting, sanding the bottom surface and the surface; and mortising grooves at the periphery and deeply processing the surfaces to obtain the wood floor. Because of adding a small amount of nanoscale heave calcium carbonate, the invention leads the nanoscale heavy calcium carbonate to be filled between big particles of the heavy calcium carbonate, thus forming complete packing to PVC resin particles and increasing specific surface area; reactivity is improved due to the increasing of specific surface area and improvement of reaction contact surface; the PVC resin particle has high hardness and strong plasticity; and the nano particles in a nano composite can block the formation of crystals, thus greatly improving thermal conductivity.
Owner:吉林吉瑞莱板材科技有限公司

Building wall heat-preservation thermal-insulating aqueous nano coating

The invention discloses a water-based nano-coating for thermal insulation of building walls, and relates to the technical field of nano-coatings. The water-based nano-coating prepared by the invention consists of a surface coating, an intermediate coating and a primer coating, and is suitable for using water as a diluting solvent. Improve the safety of use; and the surface coating formed by the surface coating has the functions of solar heat reflection, waterproof, and self-cleaning; Anti-corrosion function, so as to meet the requirements of the building wall for the use of coatings, ensure the quality of the coating, and prolong the service life of the coating.
Owner:南平慧薇网知识产权营运有限公司

Intelligent toothbrush with camera shooting function

The invention discloses an intelligent toothbrush with a camera shooting function. The toothbrush comprises a brush head and a brush handle, wherein a camera and a light source are disposed on the brush head, the camera is used to shoot images in an oral cavity, and the light source is used to supplement light for the camera; the brush handle has a hollow structure, and a control panel, a battery, an electric charging module and a wireless communication module are disposed inside; the battery and the electric charging module are connected to the control panel and used to provide electric energy for the intelligent toothbrush; the wireless communication module is connected to the control panel and used to transmit the images in the oral cavity to an external wireless receiving device in a wireless communication manner; and the control panel is also connected to the camera and the light source.
Owner:HARBIN MEDICAL UNIVERSITY

Hydroxyapatite overlength nanowire flameproof paper with waterproof function

The invention relates to hydroxyapatite overlength nanowire flameproof paper with a waterproof function. The hydroxyapatite overlength nanowire flameproof paper with the waterproof function has super-hydrophobicity and fireproof and flame-retardant functions. The main component of the flameproof paper is hydroxyapatite overlength nanowire. The product also contains fatty acid salt or a perfluorinated compound modified on the hydroxyapatite overlength nanowire. The fatty acid salt or the perfluorinated compound carries out surface modification on the hydroxyapatite overlength nanowire. As hydroxyapatite overlength nanowire has rich surface reactive groups, the hydroxyapatite overlength nanowire is easy to undergo surface modification. Thus, the hydroxyapatite overlength nanowire is easy to combine with the fatty acid salt or the perfluorinated compound such that the hydroxyapatite overlength nanowire flameproof paper is endowed with an excellent waterproof function.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

Outdoor power cabinet with waterproof and cooling functions

The invention discloses an outdoor power cabinet with waterproof and cooling functions. The outdoor power cabinet with the waterproof and cooling functions has a simple structure,when the outside temperature is too high,the heat of power equipment is too large,an airbag is heated and expanded,a second copper contact piece is promoted to contact a first copper contact piece,thereby turning on a circuit of a positive and negative rotation motor,blades are rotated,outside air is sucked into a cabinet body to cool the power equipment,when the humidity in the cabinet body is too large,a smectite powder bag absorbs water vapors to be expanded,so that a third copper contact piece abuts the first copper contact piece,the positive and negative rotation motor reversely rotates,the water vapors in the cabinet body are blown out,the functions of waterproofing and cooling of the cabinet body are achieved by a series of measures,and the cabinet has strong practicality.
Owner:翁君晌

Dacron fabric fluorine-free waterproof finishing method

InactiveCN107974836AImprove waterproof performance and durabilityHigh activityFibre typesChemical reactionSilanes
The invention discloses a dacron fabric fluorine-free waterproof finishing method. According to the method, firstly, MPTS (3-mercaptopropyltriethoxysilane) is used for performing hydrosulphonyl modification treatment on the surface of a dacron fabric, so that the dacron fabric obtains hydrosulphonyl with higher activity; then, through chemical reaction, hydrosulphonyl silane (or alkyl sulfhydryl)and the vinyl POSS with the olefinic bond structures take an ultraviolet light polymerization reaction with the dacron fabric subjected to modification treatment, and are combined onto the dacron fabric molecules by a chemical bonding method; a treated product has a waterproof function. The operation is simple; the efficiency is high; under the fluorine-free condition of a finishing agent, the waterproof effect is obvious; the water washing-resistant firmness is high; the water-proof performance durability of the dacron fabric is improved.
Owner:JIANGSU NEW REBA TECH CO LTD

LED street lamp

The invention discloses an LED street lamp. An integrated LED is arranged in a metal lamp holder body provided with a lamp holder frame, a light source chamber with a concave cavity and a plurality of heat-radiating sheets, wherein a heat-conducting block is arranged in the light source chamber and jointed with the light source chamber, the integrated LED is fixed on the heat-conducting block and positioned in the light source chamber, a lens is assembled on the opening end of the light source chamber and forms a seal, a drive power supply is arranged in a metal waterproof power supply box, a sealing cover is arranged on the opening end of the metal waterproof power supply box, the sealing cover is provided with a wire inlet which is matched with a wire inlet waterproof plug screw through threads, the metal waterproof power supply box is connected and fixed on the back surface of the light source chamber of the lamp holder body by using a fastening member and jointed with the metal lamp holder body tightly, and a cable of the integrated LED in the light source chamber is connected with the drive power supply in the metal waterproof power supply box through a wire hole. The LED street lamp has high heat radiation property and high water proofness, and can adapt to various climatic environments.
Owner:CHONGQING BEIBEI DISTRICT TIANLI LAMP

Medical high-gloss waterproof digital ink-jet printed color film and preparation method

A medical high-gloss waterproof digital ink-jet printed color film comprises a base material and a coating on the base material, wherein the base material is a high-gloss PET (polyethylene terephthalate) sheet; the coating comprises a high-gloss waterproof ink absorbing layer, an anti-static layer and an adhesive layer; and one side of the base material is coated with the high-gloss waterproof ink absorbing layer, the other side of the base material is coated with the adhesive layer firstly, and then the adhesive layer is coated with the anti-static layer. The high-gloss waterproof ink absorbing layer comprises the components in parts by mass as follows: 10%-15% of nanoscale Al2O3, 1%-2% of an adhesive, 0.1%-0.5% of a dispersing agent, 1%-5% of a color fixing agent, 0.3%-0.5% of a water-based brightening agent, 0.2%-0.4% of a surfactant, 3%-5% of a PH value conditioning agent, 70%-80% of deionized water, 0.01%-0.1% of a cross-linking agent and 0.01-0.05% of a defoaming agent. The invention further discloses a preparation method of the medical high-gloss waterproof digital ink-jet printed color film. The film has the advantages of high film manufacturing speed, zero pollution, freedom from fading, long image saving time and the like.
Owner:江苏耐斯数码科技股份有限公司

Waterfroof agent for cement mortar and its preparation method

The invention relates to a waterfroof agent used in cement mortar and a preparation method thereof. The waterfroof agent comprises the following raw materials of: by weight, 5.0-15.0 parts of paraffin, 3.0-5.0 parts of silicone oil, 0.5-3.0 parts of aliphatic acid, 1.0-3.0 parts of triethanolamine, 0.4-2.5 parts of sodium hydroxide and 60.0-100.0 parts of deionized water. The preparation method comprises the following steps of: firstly respectively weighing the above raw materials, mixing, melting, heating, saponifying, cooling, homogenizing, examining, and packaging to obtain a milky thick liquid waterfroof agent. The waterproof agent is aqueous and environmentally friendly, is nontoxic and tasteless, causes no pollution, is convenient to use, and has good compatibility with cement mortar. With the addition of the waterproof agent, cured and dried cement mortar has a strong waterproof function and can effectively avoid entry of rainwater, thus guaranteeing construction quality and service life.
Owner:BEIJING LIGAO WATERPROOF ENG CO LTD +1

Polymer cement-based capillary crystalline waterproofing material as well as preparation method and use method thereof

The invention discloses a polymer cement-based capillary crystalline waterproofing material which is formed from an organic liquid as component A and organic powder as component B through stirring and mixing. On the construction site, the component A and the component B are proportionally stirred and mixed to form the polymer cement-based capillary crystalline waterproofing material. Meanwhile, the invention also discloses a preparation method and usage method of the waterproofing material. The waterproofing material has good cohesive property, waterproofing property and air permeability, the defects of the cement-based capillary crystalline waterproofing material in the prior art can be overcome, and the waterproofing material is applicable to large-scale popularization and application and has obvious economic benefit and social benefit.
Owner:江门市蓬江区智远防水建材有限公司

Damp-proof charging pile

The invention provides a damp-proof charging pile. The charging pile descends into a containing cavity when not in use, a rain shed is arranged above the charging pile so that the charging pile can be protected against rain erosion, and besides, the containing cavity has a waterproof function, and the damp-proof performance of the charging pile is further improved. The rain shed is further provided with a solar cell panel and a lightning conductor, solar energy can be converted into charging electric energy, the charging pile is quite environmentally friendly, and meanwhile, lightning attacks can be avoided. The damp-proof charging pile provided by the invention is good in performance and long in service life.
Owner:武汉迈辽网络科技有限公司

Inorganic composite waterproof, fireproof and heat preservation material for buildings

An inorganic composite waterproof, fireproof and heat preservation material for buildings contains basic components of water, waterproof agents, perlite, porous ceramsites and cement, wherein the waterproof agents are colored waterproof agents with inorganic characteristics, the perlite is waterproof carbonized blind hole expanded perlite, the grain size of the perlite is 0.5-1mm, the volume weight of the perlite is 80-220 kg / m<3>, and the expansion times of the perlite is 8-15. Coal ash serves as the main raw material of the porous ceramsites, and the grain size of the porous ceramsites is 10-12mm. The cement is aluminium silicate cement added with modifying agents. According to material proportion, relative mass contents the of the perlite, the ceramsites, the cement and the waterproof agents meet requirements that the perlite occupies 59-61 parts, the ceramsites occupy 55-58 parts, the cement occupies 32-38 parts and the waterproof agents occupy 23-27 parts. The inorganic composite waterproof, fireproof and heat preservation material for buildings has the excellent performances in aspects of fire prevention and heat preservation, is high in indexes such as the heat conductivity coefficient, the dry appearance density, the material bonding strength and compression strength, and is low in cost.
Owner:刘学厚

Method for manufacturing intelligent transparent and conductive fabric based on composite modification of nanoparticles and nanowires

The invention provides a method for manufacturing an intelligent transparent and conductive fabric based on composite modification of nanoparticles and nanowires. The method comprises the following steps: putting ethylene glycol into polyvinylpyrrolidone of a high molecular weight, stirring violently till the polyvinylpyrrolidone is completely dissolved, adding copper chloride, sealing, performinga heating reaction, further adding a silver nitrate solution, shielding light, stirring violently, heating in an oven, and cleaning so as to obtain a mixed solution of silver nanowires and silver nanoparticles; putting a conductive polymer, silicon nanowires and graphene into the mixed solution of the silver nanowires and the silver nanoparticles, and uniformly mixing so as to obtain a transparent conductive solution; pretreating and cleaning the surface of a fabric, performing waterproof coating treatment, further coating the fabric with the transparent conductive solution, and finally performing surface treatment, namely spraying sodium borohydride, so as to obtain a transparent conductive coating modified fabric; adhering a Fe-N-C porous particle layer to the transparent conductive coating modified fabric, thereby obtaining the intelligent transparent and conductive fabric based on composite modification of nanoparticles and nanowires.
Owner:DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD

Assembled toilet system

The invention relates to an assembled toilet system, and belongs to the technical field of assembled decoration. The assembled toilet system specifically comprises an assembled wall panel and an assembled floor, wherein the assembled wall panel comprises a wall surface keel fixed to a wall body, and a wall panel installed on the wall surface keel, a moisture-proof film is further arranged on the rear part of the wall panel, and the moisture-proof film is fixed to the wall surface keel; the assembled floor comprises an overhead module and a support leveling assembly supported on the bottom of the overhead module, a waterproof chassis is laid on the overhead module, the wall panel is located in the waterproof chassis, a decoration panel is laid on the waterproof chassis, and a drainage floordrain is further installed on the waterproof chassis; and the overhead module comprises a base body made of a galvanized steel plate and a calcium silicate plate installed on the base box. The assembled toilet system is simple and convenient to install, and high in construction efficiency.
Owner:山西建投装饰产业有限公司

Vehicle-mounted wireless internet device

The present invention provides a vehicle-mounted radio network access device, including a sealed enclosure, a heating element, and a first thermal pad, where the heating element and the first thermal pad are arranged inside the sealed enclosure; the top of the sealed enclosure includes a metal part, and the first thermal pad is arranged between the heating element and the metal part of the sealed enclosure to transfer heat produced by the heating element to the metal part, so that the heating element is cooled. The vehicle-mounted radio network access device in the present invention not only achieves a cooling purpose, but also implements a waterproof function.
Owner:HUAWEI DEVICE CO LTD

Television checking camera combination structure for inside of pipe fitting

The invention belongs to television automatic checking for the inner surfaces of a penetrating piece of a top cover of a pressure container of a nuclear power station reactor and other pipe fittings and particularly relates to a television checking camera combination structure for the inside of the pipe fitting. The television checking camera combination structure for the inside of the pipe fitting comprises a cylinder cover. A top cover board is arranged at the top of the cylinder cover; a combination structure body is arranged in the cylinder cover; the bottom of the combination structure body is fixedly connected with a positioning plate; four cavities are formed on the combination structure body; a bracket is arranged in the cavity at the top of the combination structure body; a camera is arranged on the bracket; the cavity at the middle upper part of the combination structure body is provided with a reflector; a camera is arranged at the lower part of the reflector; a supporting rod is arranged at the middle lower part of the combination structure body; the middle position of the supporting rod is connected with a scraper frame; and the scraper frame is connected with a nylon scraper. The television checking camera combination structure for the inside of the pipe fitting has the advantage of implementing functions of excellent illumination, clear imaging, camera waterproofness and the like by steering the light, regulating the brightness and setting a suitable optical path.
Owner:RES INST OF NUCLEAR POWER OPERATION +1

Power battery apparatus with waterproof function and control method thereof

The invention provides a power battery apparatus with waterproof function and a control method thereof. The battery apparatus comprises a battery box and a power battery module in the battery box; an air channel is arranged between the battery box and the power battery module; the battery box is provided with an air port A and an air port B; the air port A is successively provided with a 1# adsorption room and a 1# heating room; the air port B is successively provided with a 2# adsorption room and a 2# heating room; the 1# adsorption room and the 2# adsorption room are filled with a water adsorption agent; and the 1# heating room and the 2# heating room are both inside provided with a heating device. According to the control method, under a high-temperature cooling mode, a low-temperature heating mode and an adsorption regeneration mode of the power battery apparatus, the battery apparatus is controlled through a vehicle controller, and therefore, the control method helps to effectively solve influence of coagulation of moisture in air in the power battery apparatus on insulating property of the power battery apparatus when the power battery apparatus is subjected to direct wind-cooling during thermal management.
Owner:BEIJING ELECTRIC VEHICLE

Wind and rain energy collecting device based on friction nano generator

The invention provides a wind and rain energy TENG collecting device through synergism. The energy collecting device can be adapted to changes in the wind direction and has the waterproof function. Abaffle and an inclined surface have the shielding effect on a frictional nano generator collecting the wind energy, and interference of the rainwater on the friction nano generator is prevented. A wind vane structure of the friction nano generator collecting the wind energy plays a role in regulating the wind direction, when the wind direction changes, the structure can adjust the device directionfacing the wind in time to improve the utilization rate of the wind energy. The energy collecting device is advantaged in that the synergism can be achieved, the wind and rain energy simultaneous collecting effect is improved, the more severe the weather, the bigger the wind speed and the rain speed, and the synergism is more obvious.
Owner:HENAN UNIVERSITY

Construction technology for sunken-type bathroom

The invention discloses a construction technology for a sunken-type bathroom and relates to the technical field of bathroom construction. The construction technology comprises the following steps thatS1, a foundation drainage part is arranged, specifically, a foundation drainage channel is formed in a structural layer; S2, a foundation waterproof part is arranged, specifically, a structural waterproof layer is made on the structural layer; S3-1, supporting columns are built, specifically, the multiple supporting columns are evenly arranged at intervals; S3-2, drainage pipes are arranged in aburied mode, specifically, the top drainage pipes are arranged in spaces formed by the supporting columns in the buried mode; S3-2.1, water storage testing is conducted; S3-3, water absorbing and permeating layers are laid, and chambers formed by the supporting columns are filled with mixtures of light ceramsite and high-water-absorption fibers; S3-4, a bearing layer is poured, reinforcement fabrics are placed on the supporting columns, and concrete is laid on the reinforcement fabrics; S4, the bearing layer is subjected to waterproof treatment; and S5, ceramic tiles are laid, and joint filling is conducted on the connecting positions of the adjacent ceramic tiles to form pointing joints. According to the construction technology, by arranging an empty space integrates the water absorptionand drainage functions, the effect of reduction of water seepage of the bathroom is achieved.
Owner:浙江蓝城建筑装饰集团有限公司

Waterproof down manufacturing method

The invention provides a waterproof down manufacturing method. The waterproof down manufacturing method comprises the following steps of preparing washing agents and waterproof agents; washing the down in the washing agents; dehydrating the washed down and drying the down at a high temperature until the down contains no moisture; putting the dried down into a refrigerated air dryer, spraying the waterproof agents, stirring the down to enable the agents to fully cover the down, and meanwhile leading normal temperature wind to blow-dry the down; placing the down into a steam high temperature dryer for being dried to a water-free state. The waterproof down manufacturing method overcomes the technical difficulty that molecules of nano waterproof agents are relatively small and hard to absorb, the manufactured down does not carry foul smells and is clean and hygiene due to a waterproof function. After high temperature sterilization, the down does not carry germs. Besides, the waterproof down manufacturing method is simple, easy to achieve and low in production costs.
Owner:JIANGSU YUYING FEATHER

Self-adhesive composite waterproof layer for tunnel and paving method of self-adhesive composite waterproof layer

The invention belongs to the technical field of waterproof materials and the paving methods thereof and specifically relates to a self-adhesive composite waterproof layer for a tunnel and a paving method of the self-adhesive composite waterproof layer. The waterproof layer is composed of a double-faced self-adhesive film polymer waterproof roll and single-rolled self-adhesive film composite non-woven cloth; the double-faced self-adhesive film polymer waterproof roll orderly comprises a bituminous adhesive layer, a polymer waterproof material layer and a self-adhesive layer from top to bottom; the single-rolled self-adhesive film composite non-woven cloth orderly comprises a self-adhesive layer, a polymer waterproof material layer and a non-woven cloth layer from top to bottom; the self-adhesive layer of the double-faced self-adhesive film polymer waterproof roll is glued with the self-adhesive layer of the single-rolled self-adhesive film composite non-woven cloth. The self-adhesive composite waterproof layer for the tunnel is used for solving the problems of waterproof plate tear and back voids of secondary lining concrete due to uneven surface of the primary support shotcrete, and the waterproof layer is securely attached on the structural surface of the primary support shotcrete and the secondary lining concrete permanently and securely in an effective and economic manner.
Owner:SHIJIAZHUANG INST OF RAILWAY TECH

Cold construction adhesive for waterproof rolled sheet

The present invention discloses one kind of adhesive for composite waterproof rolled sheet product and its production process. The adhesive consists of water-thinned latex or water soluble glue powder, water reducing agent, cellulose and additive. It has high adhesion effect, wide use range, high strength, waterproof function, and may be used in the construction of modified waterproof asphalt rolled sheet and polymer sheet with fabric on the surface of new and old concrete and in the repair and waterproof sealing of concrete.
Owner:XI NIU PI WATERPROOFING TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products