17results about How to "Reduce the waterproof effect" patented technology

The invention relates to the field of waterproof materials, and discloses a polymer modified asphalt waterproof material and a preparation method thereof.The polymer modified asphalt waterproof material is prepared from 40%-50% of asphalt, 8%-12% of polymer modifier, 5%-8% of atactic polypropylene, 3%-5% of rubber powder, 0.5%-1% of antioxidant, 0.3%-0.5% of ultraviolet light absorber, 1%-2% of compatilizer and 15%-20% of filler, the polymer modifier is specifically a styrene-butadiene-styrene block copolymer, the antioxidant is specifically a hindered phenol antioxidant, the ultraviolet light absorber is specifically a benzotriazole ultraviolet light absorber, the filler is specifically a mixture of talcum powder and calcium carbonate, the talcum powder accounts for 60-70% of the total amount of the filler, and the calcium carbonate accounts for 10-30% of the total amount of the filler. And calcium carbonate accounts for 30%-40%. By adding the styrene-butadiene-styrene block copolymer modifier, the hindered phenol antioxidant and the benzotriazole ultraviolet light absorber, the service life is remarkably prolonged, the waterproof maintenance frequency and cost of a building are reduced, and a long-acting waterproof defense line is built for the building.

The present invention discloses a top structure of an outdoor equipment, including a hanging piece, a top cover and a hanging eye bolt. The top cover is fixed on the frame of the outdoor equipment. The top cover includes a top cover body, and a plurality of waterproof rings are fixed on the top cover body. The upper part of the hanging piece has a threaded hole and a first step surface. The hanging piece is installed in the waterproof ring, and the upper end surface of the hanging piece is lower than the upper end surface of the waterproof ring. The upper end surface of the hanging piece and the upper end surface of the waterproof ring form a step structure. A sealing gasket is arranged on the step structure. The first step surface is connected to the lower end surface of the waterproof ring, and a sealing strip is arranged at the connection. The lower part of the hanging piece is fixedly connected to the frame, and the bolt part of the hanging eye bolt is threadedly connected to the threaded hole of the hanging piece. When the bolt part of the hanging eye bolt is connected to the threaded hole of the hanging piece, the sealing gasket is squeezed to make the hanging eye bolt and the hanging piece sealed and connected, and the sealing strip arranged at the connection between the first step surface and the waterproof ring ensures the sealing between the frame and the top cover, the waterproof ring and the hanging piece, and the waterproof performance is good.

The invention discloses a washable protective film and a preparation method thereof, and belongs to the technical field of protective films, the washable protective film comprises the following raw materials by weight: 100 parts of polyethylene glycol terephthalate, 6-8 parts of carbon fiber, 3-8 parts of a modified siloxane polymer, and 0.3-0.6 part of an antioxidant; the modified siloxane polymer is prepared from a flame retardant containing a carbon-carbon double bond, an antibacterial siloxane monomer and 1-dodecene through a polymerization reaction. The washable protective film is prepared by the following steps: weighing polyethylene glycol terephthalate, carbon fibers, a modified siloxane polymer and an antioxidant, uniformly mixing and stirring in a high-speed mixer, melting in a double-screw extruder, and extruding and casting in an extrusion casting machine at the extrusion temperature of 260-280 DEG C to obtain the washable protective film. The obtained protective film is rich in function, good in washing resistance and high in application value.

The invention discloses a composite skin type waterproof system and a shallow-buried excavation tunnel skin type waterproof construction method, a construction waterproof structure is arranged between a primary lining concrete layer and a secondary lining concrete layer, the construction waterproof structure comprises a waterproof coiled material and a persistent adhesive waterproof coating arranged on the surface of the waterproof coiled material, and in the composite skin type waterproof system, a waterproof layer is arranged on the surface of the waterproof coiled material. The first side face of the waterproof roll is tightly attached to the primary lining concrete layer, the second side face of the waterproof roll faces the secondary lining concrete layer, the persistent adhesion waterproof coating is arranged on the second side face, after secondary lining concrete is poured, the concrete and the persistent adhesion waterproof coating are subjected to chemical reaction in the hardening process, mechanical interlocking type interface bonding is formed, and the waterproof roll is formed. Therefore, the construction waterproof structure and the upstream face of the post-poured second lining concrete layer form integral water resistance, the composite skin type waterproof system has the advantages of being not prone to water channeling and water point leakage and the like, and permeation and fluid channeling of water to the surface of second lining concrete are resisted.

The application belongs to the technical field of polyacrylate emulsion, and more particularly relates to a fluorine-free polyacrylate emulsion with waterproof and easy-to-clean properties, a preparation method and application thereof. The polyacrylate emulsion is prepared by first synthesizing an amphiphilic polyurethane prepolymer emulsion, then emulsifying acrylate monomers with the polyurethane emulsion and a composite emulsifier as emulsifiers to obtain a pre-emulsion, and finally adding an initiator to initiate polymerization of the acrylate monomers, so as to obtain polyacrylate latex particles with a polyurethane protective colloid shell and a hydrophobic functional component, a crosslinking component and a large steric component as the core. The layered arrangement of the polymers in the emulsion on the substrate endows the substrate with good waterproof and easy-to-clean properties. The preparation method of the polyacrylate emulsion is simple, avoids the use of fluorine-containing monomers, is suitable for industrial production, has both waterproof and easy-to-clean properties, and is suitable for waterproof and easy-to-clean finishing of various fabrics such as chemical fibers, nylon and polyester-cotton.

This invention discloses an anti-corrosion cast-in-place pile and its construction method, belonging to the field of building pile foundation engineering technology. It includes a retaining structure composed of several interconnected PVC ring units. The retaining structure is equipped with a grouting system, an anti-corrosion membrane, a reinforcing cage, and pile shoes. Each ring unit is welded into a cylindrical shape from at least three PVC plates. The grouting system includes grouting pipes, and the anti-corrosion membrane is adhered to the inner wall of the retaining structure. The reinforcing cage has pre-embedded grouting sleeves corresponding to the grouting pipes. The pile shoes are located at the ends of the retaining structure. Construction involves sequentially drilling, installing the retaining structure, applying the anti-corrosion membrane, hoisting the reinforcing cage, underwater concrete pouring, and subsequent grouting reinforcement. This invention effectively solves the problems of cast-in-place piles being susceptible to corrosion, poor construction quality, and irreparable damage in highly corrosive environments. It has advantages such as significant anti-corrosion effect, convenient construction, safety and environmental protection, wide applicability, and strong maintainability. It is suitable for highly corrosive geological environments such as coastal high-chloride salt, inland sulfate / saline-alkali, and weakly acidic environments.

The present invention relates to a leak-proof cooling structure for a steel structure factory roof. The steel structure factory is fixedly connected with a water guide groove on the top of the steel structure factory, and a plurality of air holes are provided on the water guide groove. A rain shield is provided on one side of the plurality of air holes, and the rain shield is fixedly connected to the side wall of the water guide groove; a plurality of air coolers are fixedly connected to the top of the steel structure factory, and a first air guide pipe is provided at the bottom of the air cooler, and the bottom end of the first air guide pipe passes through the top of the steel structure factory, and is fixedly connected with a second air guide pipe, the second air guide pipe is a hose structure, and the bottom of the second air guide pipe is fixedly connected with an exhaust bin, and a plurality of air outlet holes are provided on the front face of the exhaust bin, and adjustment mechanisms are provided on both sides of the exhaust bin. The present invention has the characteristics of good leak-proof cooling effect.

The utility model relates to the technical field of ships, in particular to a fluid invasion protection device which solves the technical problems that in the prior art, a buoy of a ventilation cap for a ship oil tank is clamped or a sealing ring is aged, or the waterproof effect is reduced when a ship has an accident or is in severe weather. According to the technical scheme, a water inflow prevention device is additionally arranged below the ventilation cap, the water inflow prevention effect can be achieved when the waterproof effect of the ventilation cap is reduced, and therefore the driving safety of a ship is guaranteed; when the waterproof effect of the ventilation cap is reduced, water can be prevented from entering the ventilation cap, so that the running safety of a ship is ensured, and the ventilation effect of the oil tank is not influenced at all.

The utility model relates to the technical field of light-emitting cloth, and discloses light-emitting cloth with a waterproof function, which comprises the light-emitting cloth, a waterproof component is arranged in the light-emitting cloth and is used for improving the waterproof performance, an energy-saving component is arranged in the light-emitting component and is used for reducing the energy consumption, and the waterproof component is used for improving the waterproof performance. The waterproof assembly comprises a plurality of sets of transparent lines. According to the light-emitting cloth with the waterproof function, the energy-saving assembly is installed, the optical fiber body can be connected with the optical fiber flat cable, so that the optical fiber of the light-emitting body can normally enter the optical fiber body to achieve light emitting, the built-in wire is arranged in the optical fiber body, and before optical fiber production, the surface of the built-in wire is sprayed with the noctilucent body; when the optical fiber emits light, the noctilucent coating can continuously absorb light, on one hand, the coating can be prevented from falling off, and on the other hand, the noctilucent coating can be still in a luminous state after the luminous body is turned off, so that the energy-saving effect is achieved.

The application relates to a novel cable accessory connecting structure, which belongs to the technical field of cable systems and is used for connecting between a cable metal sheath and a cable accessory metal shell. A coaxial sleeve is arranged on the cable metal sheath, and the coaxial sleeve comprises an electrical connecting part and a waterproof part. The electrical connecting part is used for providing an electrical connecting channel between the cable metal sheath and the cable accessory metal shell, and the waterproof part is used for guaranteeing the waterproof performance between the cable outer sheath and the cable accessory metal shell. The electrical connecting part comprises a conductive layer and a spiral supporting belt arranged in the conductive layer. The electrical connecting part is spirally wound on the exposed cable metal sheath. Under the action of the spiral supporting belt pressure, the conductive layer is kept in abutting contact with the outer wall of the cable metal sheath and the inner wall of the cable accessory metal shell. The application has the effect of reducing the influence of external factors on the electrical continuity and waterproof performance between the cable metal sheath and the cable accessory metal shell.

The utility model provides a temperature control system for a bus stop board. The temperature control system comprises a first heat exchanger, a circulating pump, a radiating pipeline and a heating pipeline, the first heat exchanger exchanges heat with an electric control box of the bus stop board through a liquid medium, the output end of the first heat exchanger is connected with the input end of the circulating pump, the circulating pump comprises a first output end and a second output end, and the first output end and the second output end are connected with a heat dissipation pipeline and a heating pipeline which are arranged in parallel respectively. The output side of the heat dissipation pipeline and the output side of the heating pipeline are both connected with the input end of the first heat exchanger. The electric control box of the bus stop board is cooled or heated through the liquid medium in the first heat exchanger, so that the situation that the waterproof performance of the bus stop board is reduced due to the fact that more heat dissipation holes are formed can be avoided, and meanwhile a better heat preservation effect can be achieved when the external environment temperature is low. The utility model further provides a bus stop board adopting the bus stop board temperature control system.

The invention relates to a method for producing a sensor module (1) comprising at least a sensor head (6), a metal cover (3), a connector module (4) and a connector element (2), comprising the following steps: providing (S1) the connector element (2) and the metal cover (3); applying (S2) a connector element (2) to the metal cover (3), the connector element (2) having a meltable material (5) in at least one partial region on the side (2a) facing the metal cover (3), and the metal cover (3) having a region (F) to which the meltable material (5) of the connector element (2) is applied in at least one partial region on the side (3a) facing the connector element (2); heating the metal cover (3) on a side (3b) of the metal cover (3) facing away from the connector element (2), the meltable material (5) melting as a result of the heating; forming (S4) a connection between the connector element (2) and the metal cover (3) by means of a meltable material (5), at least in an area (F) provided on the metal cover (3); -fastening (S5) the sensor head (6) to the metal cover (3).

The invention discloses a waterproof construction method for building decoration. The waterproof construction method comprises the steps that S1, a construction site is preliminarily patrolled, the construction area is measured, and materials are prepared; s2, impurities on the construction site are cleared away, components in the construction area are protected, and the construction area is marked through masking paper; s3, a mixed coating is obtained, and the component joints and the areas, prone to water leakage, of the base surface structure in the construction area are coated with the mixed coating; s4, interface agent spraying is conducted on the construction area through a spray gun, brushing is conducted on the construction area multiple times through a brush and a brushing rod, and a primary waterproof coating is generated on the surface of the construction area; s5, obtaining a flexible waterproof coating, and covering the primary waterproof coating with a rear waterproof coating; and S6, the construction area is cleaned, and no warning adhesive tape is pulled along the edge of the construction area, and a prompt is pasted. The waterproof performance of the coating is prevented from being reduced by inexperienced constructors, the coating reaches the optimal waterproof state by combining with brushing of the interface agent, and the waterproof reliability of the coating and waterproof construction is improved.

The utility model provides a three-proofing mobile phone USB waterproof structure, which relates to the technical field of three-proofing mobile phone waterproofing, and comprises an equipment main body, a shell material is fixed on the equipment main body, the equipment main body is detachably connected with a charging interface, a charging panel is fixed on the inner wall of the equipment main body, a charging device is fixed at the bottom of the charging panel, and a fixing groove is formed in the peripheral surface of the charging device. A waterproof silica gel ring is installed to solve the problems that a charging port of a three-proofing mobile phone is usually provided with a rubber plug for preventing water and preventing water and dust from entering the mobile phone, however, a user needs to open or remove the rubber plug firstly during charging every time, and needs to unplug a charger and seal the rubber plug again after charging is completed, so that the cost is low. According to the technical scheme, the process is complicated, as time goes on, the rubber plug can be abraded and aged due to repeated plugging and unplugging, the waterproof effect is reduced, in addition, if the rubber plug is not correctly installed, water or dust can enter the mobile phone accidentally, damage is caused, the user experience is reduced, and the service life of equipment is shortened.

The utility model belongs to the technical field of building lighting, and particularly provides a building facade embedded LED linear lamp device which comprises an embedded lamp groove and a lamp surface cover, the lamp surface cover is installed at the top of the embedded lamp groove, a plurality of supports are fixedly installed in the embedded lamp groove, a lamp body is detachably installed on the supports, and the building facade embedded LED linear lamp device further comprises a plurality of fixing mechanisms. The fixing mechanisms are distributed around the lamp face cover, the lamp face cover is fixedly connected with the side wall of the embedded lamp groove through the fixing mechanisms, and the top face of the lamp face cover is flush with the surface of the curtain wall. The embedded lamp groove and the arrangement that the top face of the lamp face cover is flush with the surface of the curtain wall are arranged, the integrity of the building vertical face can be guaranteed, the attractive effect is improved, meanwhile, the overall design style of a building can be prevented from being damaged, in addition, the stability and safety of the lamp are guaranteed, and the service life of the lamp is prolonged. In addition, the influence on the appearance and waterproof performance of the curtain wall is effectively reduced, the lamp face cover can be prevented from falling off through the arrangement of a plurality of fixing mechanisms, and the safety performance is improved.

The utility model relates to the field of breast pumps, in particular to a breast pump host waterproof structure and a breast pump. The breast pump main machine waterproof structure comprises a main machine and further comprises an interaction assembly used for being operated by a user and / or used for being connected with external equipment, the main machine is provided with a main machine inner cavity used for installing electric appliance components and an interaction assembly installation hole communicated with the main machine inner cavity, and the interaction assembly has or is locally flexible. The interaction assembly is connected with the interaction assembly mounting hole in an interference fit mode so as to prevent water from entering the inner cavity of the host through the interaction assembly mounting hole. According to the utility model, water is effectively prevented from entering the inner cavity of the host through the connecting gap between the interaction assembly and the interaction assembly mounting hole, so that electrical faults caused by water invasion are avoided, the requirement of additionally arranging a waterproof cover or a sealing ring is reduced, and the structure of the host is simplified.

The utility model relates to waterproof house technical field discloses a waterproof roof structure, including house wall body still including installation groove and waterproof subassembly, the top of house wall body is provided with roof surface, is provided with waterproof baffle to the opposite side water flow direction on the roof surface, is provided with water flow guide pipe to the water flow delivery on the roof surface, waterproof subassembly sets up on the roof surface, fixed installation groove opens in the inside of roof surface. Through the angle of water flow guide pipe with the connecting support plate fixed to the thread connection column in the inside of installation groove with fixed bolt, when meeting rainfall, rainwater can not rapidly, effectively discharge, prevents the partial ponding of roof. Ponding not only will increase the load of roof, increases its service life, makes rainwater can according to the change of wind direction discharge towards the most favorable direction, guarantees the smooth of drainage, prevents the long -term ponding of roof still possibly to roof structure cause damage, guarantees the influence waterproof performance of roof.