277results about How to "With waterproof effect" patented technology

The invention discloses a double-component external wall heat-insulating putty having a water resistance effect and a preparation method thereof. The double-component external wall heat-insulating putty is characterized by comprising a component A and a component B, wherein the component A is prepared from 10.0-20.0% of water, 30.0-40.0% of emulsion, 0.1-0.2% of multifunctional aid, 0.2-0.5% of defoaming agent, 0.2-0.4% of wetting agent, 1.0-1.5% of ethylene glycol, 1.5-2.0% of film forming aid and 0.2-0.4% of thickener; the component B is prepared from 40.0-55.0% of 425 black cement, 40.0-50.0% of hollow glass bead, 2.0-3.0% of water repellent, 3.0-6.0% of wollastonite powder, 0.6-1.0% of cellulose, 6.0-8.0% of rubber powder, 0.4-0.6% of wood fiber and 0.4-0.6% of polypropylene fiber; and when in use, the component A and the component B are uniformly mixed according to a ratio of 1:1.2. The double-component external wall heat-insulating putty is suitable for surface heat insulation of a building external wall, has a heat-insulating function, and also has water resistance, fire resistance and crack resistance functions, thereby having important meanings for external wall heat insulation and protection.

The invention discloses a foamed cement backfilling structure of a caisson type toilet. The foamed cement backfilling structure comprises a reinforced concrete floor slab at the bottom layer, a foamed cement concrete layer and a ceramic tile finish layer, wherein the foamed cement concrete layer is located on the surface of the reinforced concrete floor slab, and the ceramic tile finish layer is arranged on the surface of the foamed cement concrete layer; a toilet stool is arranged on the surface of the ceramic tile finish layer; and an outlet is formed in the bottom of the toilet stool, and the outlet is connected with a main downcomer through a primary drain-pipe arranged in the foamed cement concrete layer in a through connection mode. The foamed cement backfilling structure is characterized in that the foamed cement concrete layer is inclined towards one side, and a groove A is formed in the bottom end of the bevel of the foamed cement concrete layer; and a plurality of grooves B are formed in the foamed cement concrete layer in the inclined direction; the groove A and each groove B intersect with each other; and a drain hole is formed in the bottom of the groove A, and the drain hole connected with the main downcomer through a secondary drain-pipe arranged in the foamed cement concrete layer in a through connection mode. In addition, the invention further provides a backfilling method of the foamed cement backfilling structure of the caisson type toilet. According to the foamed cement backfilling structure of the caisson type toilet, the structure is simple, the water draining effect is good, the foamed cement backfilling structure is beneficial to avoiding water accumulating of the toilet, and then water leakage is further avoided, and furthermore, on-site backfilling can be achieved.

The invention provides a preparation method of flame-retardant antibacterial water-based coating. The content of a plant extract is 0.1-5%; and the plant extract is one or more of a wormwood extract,a Sarcandra glabra extract, a lavender extract, a valerian extract and a seaweed extract, or one or more of quercetin, salicylic acid, emodin, menthol, menthone, hyperoside, fumaric acid, linalool, caffeic acid, calcium alginate and sodium alginate, and slows the coating to have a plant natural antibacterial effect. A preparation process of the coating also comprises the following steps: preparinga film-forming substance, preparing color paste, preparing a diatomite porous material, preparing a functional modifier containing the plant extract, and preparing the water-based coating. Through the preparation process, the flame retardant property of the coating and the mechanical strength of a coating film are improved at the same time, and the application field of the coating is widened.

The invention discloses a fabricated wall structure. According to the technical scheme, the fabricated wall structure comprises plates and pipes for being connected with the plates, the outer walls ofthe pipes are recessed in the radial direction in the direction of the axes of the pipes to form guide grooves, the guide grooves are vertically through in the length direction of the pipes, groovesmatched with the shape of the pipes are formed in the two sides of each plate, waterproof plates are fixed into the grooves, and the waterproof plates and the guide grooves are matched and slide relatively. The problem that water seepage happens at the joint of an existing fabricated wall structure is solved.

The invention reveals a waterproof and radiation-proof fabric, which comprises a matrix and a waterproof layer on the matrix surface. The matrix is formed by mutual braiding of warps and wefts. Specifically, the warps are formed by blended braiding of nano-far-infrared ceramic fibers and mercerized cotton fibers, and the wefts are formed by blended braiding of bamboo fibers and babai yarns, and the waterproof layer is composed of a microporous polyurethane membrane. The radiation-proof fabric layer formed by blended braiding of radiation-proof fibers and breathable, light and thin fabric fibers not only has a radiation-proof function, but also is comfortable to wear simultaneously, and can remove the moisture sent from bodies and maintain human bodies dry and comfortable. The surface waterproof layer can endow the garment fabric with a waterproof effect, so that the fabric does not become humid even if it is splashed with water. Thus, the fabric provided in the invention provides convenience for people to travel outside.

The invention relates to an electronic book reader and discloses a handheld electronic book reader. In the invention, a strip-shaped handheld part is positioned on one side of a display part; main components except for a display screen are configured in the handheld part, so the centre of gravity of the electronic book reader deviates to the handheld part; when holding the book reader by one hand, the torque stressed on the hand is smaller, the hand-feel is good and the labor is saved; and the display part is mainly configured with the display screen and can be manufactured very thin. By using a flexible electronic ink screen, the toughness of the reader is improved, by encapsulating the flexible screen via a film, the toughness of the flexible screen is played completely and mechanical intensity of the flexible screen is greatly increased; and anti-fall property is greatly improved, so the reader is lighter and thinner as a whole.

The invention provides a nitrite sensor which comprises electrode connection wires, an electrode mounting disk, a reference electrode, an auxiliary electrode, a working electrode, a common-mode rejection electrode, an electrode excitation circuit, a control circuit, an electrode signal protection circuit and an electrode signal processing circuit, wherein the common-mode rejection electrode is additionally arranged in the sensor, so that a common-mode signal is generated; the electrode signal processing circuit is used for culling the common-mode signal to obtain a differential-mode signal generated by oxidization of nitrite; the differential-mode signal is amplified to acquire a voltage signal on a required level; finally, the amplified voltage signal is filtered and output. The nitrite sensor provided by the invention can be used for measuring nitrite and physically compensating changes of temperature and conductivity of a solution to be detected and interference of other ions in the solution on the sensor without software calculation, so that the measurement precision and stability are improved, and continuous on-line measurement on the concentration of nitrite in water can be carried out.

The invention discloses a waterproof paint for an automobile. The waterproof paint for the automobile is prepared from the following materials by weights: 18-20 parts of potassium metasilicate, 25-30 parts of nano-silica, 33-35 parts of polyvinyl acetate, 16-20 parts of butadiene styrene rubber emulsion, 22-24 parts of isocyanate, 16-20 parts of dicyclohexyl phthalate, 22-26 parts of dibutyl phthalate, 25-30 parts of propylene glycol esters of fatty acid, 14-18 parts of magnesite cement, 23-26 parts of fatty acid polyglycol ester, 12-14 parts of simethicone, 7-11 parts of triethoxysilane, 6-10 parts of rosin modified phenolic resin, 16-18 parts of iron oxide red, 18-20 parts of sodium silicate, 6-9 parts of polyether glycol, and 17-22 parts of tartaric acid. The waterproof paint for the automobile has an excellent waterproof effect, is strong in adhesive force, and has an effect of corrosion resistance at the same time.

The invention discloses concrete and a preparation method thereof, which relates to the field of building materials. The concrete is prepared from the following raw materials in parts by weight: 68 to78 parts of cement, 172 to 189 parts of gravels, 130 to 140 parts of sand, 10 to 13 parts of coal ash, 1.4 to 3.3 parts of fibers, 0.5 to 1.8 parts of silane waterproof agent, 1.3 to 2.8 parts of water reducing agent, 0.7 to 2.2 parts of expansion agent and 176 to 183 parts of water. The concrete has the advantages of good waterproof effect and good durability. The preparation method comprises the following steps: weighing all components according to a set ratio, uniformly mixing cement, gravels, sand, coal ash and fibers in a drying manner to obtain a first mixture; uniformly mixing silane waterproof agent, water reducing agent, expansion agent and water to obtain a second mixture; and uniformly stirring the first mixture and the second mixture to obtain the concrete. The preparation method of the invention has the advantages of uniformity in concrete mixing, simple preparation steps and easy implementation.

The invention discloses a wear-resistant waterproof fabric which comprises a bottom cloth layer and is characterized by also comprising a waterproof layer and a wear-resistant layer, wherein the waterproof layer is pasted on the upper surface of the bottom cloth layer by an adhesive; the wear-resistant layer is arranged on the upper surface of the waterproof layer; the waterproof layer is a PTFE (polytetrafluoroethylene) film; the wear-resistant layer is made of a nylon material; the thickness of the waterproof layer is 0.2mm; the thickness of the wear-resistant layer is 0.5-0.7mm; the bottom cloth layer is made of a polyester fiber material. By adopting the wear-resistant waterproof fabric disclosed by the invention, the problems that the clothes become heavier in water, bacteria are easily bred, the wear resistance is low and the clothes are easily damaged in the prior art are solved; the wear-resistant waterproof fabric has simple structure and high wear resistance, is long in service life, and prevents the clothes from being affected with damp.

The invention relates to a foundation pit structure and a foundation pit construction method. The foundation pit structure comprises a plurality of supporting plates which are sequentially arranged and attached to the side wall of a foundation pit, a slot opening is horizontally formed in the top end of each supporting plate, a connecting rod wedged into the side wall of the foundation pit is inserted into the slot opening, a connecting port is vertically formed in one end, inserted into the side wall of the foundation pit, of the connecting rod; and the foundation pit structure further comprises supporting piles which is vertically wedged into the side wall of the foundation pit from the ground, and each supporting pile passes the connecting port and is jointly inserted into the connecting rod in the same vertical plane. Through the arrangement, the supporting pile anchors the connecting rod, so that the supporting plates are fixedly attached to the side wall of the foundation pit, and the supporting and protection of the side wall of the foundation pit are achieved. Compared with the prior art, a bottom plate and the supporting rod installed between the bottom plate and a protective plate are reduced, the occupied space of the foundation pit is reduced, the foundation pit structure is suitable for the foundation pit with smaller scale and shallow depth, and the shallow depthalso facilitates the user to wedge the supporting pile, so that the safety of the small-scale foundation pit construction process is improved.

The invention relates to the field of concrete, and particularly discloses anti-freezing concrete and a preparation method thereof. The anti-freezing concrete is composed of the following components in parts by weight: 30 to 35 parts of Portland cement, 15 to 20 parts of water, 32 to 45 parts of sand, 46 to 55 parts of pebbles, 13 to 22 parts of filler, 0.8 to 1.2 parts of a water reducing agent, 3 to 5 parts of anti-crack fibers, 8 to 15 parts of rubber particles, 0.5 to 1 part of a waterproof agent, 0.1 to 0.3 part of an anti-freezing agent and 0.3 to 0.6 part of an air entraining agent, wherein the surface of the concrete is coated with a surface reinforcing agent. The anti-crack fibers in the concrete can improve the crack resistance of the concrete and reduce cracks, so that water permeation is reduced; the rubber particles and the anti-crack fibers can improve the elastic modulus of the concrete, the air entraining agent introduces air holes in the concrete, frost heaving pressure can be buffered, and freeze-thaw damage can be reduced; and the waterproof agent has a waterproof effect, and the anti-permeability is improved, so moisture infiltration is reduced, and the freeze-thaw resistance is improved.

The invention discloses a waterproof and breathable film and a preparation method thereof. The waterproof and breathable film is provided with a waterproof and wear-resisting layer, a breathable layer, a base material layer and a tough waterproof layer in sequence from top to bottom. The preparation method comprises the following steps: firstly, preparing graphene modified polyurethane paint; then preparing a graphene-SBS (styrene-butadiene-styrene) modified asphalt layer; then expanding the base material layer and coating the upper surface of the base material layer with one layer of adhesive; sticking the breathable layer and coating the upper surface of the breathable layer with one layer of graphene modified polyurethane coating; coating the lower surface of the base material layer with one layer of adhesive and sticking the graphene-SBS modified asphalt layer on the lower surface of the adhesive so as to obtain the waterproof and breathable film. The breathable film disclosed by the invention not only has a relatively good waterproof property, but also has a relatively good breathable property; when the breathable film is applied to clothes, the comfort is increased and a relatively good waterproof effect can be realized.

The invention relates to an anti-sedimentation joint structure of buried heat preservation steel pipes and a construction method of the anti-sedimentation joint structure. The anti-sedimentation joint structure comprises an anti-sedimentation joint connected between the heat preservation steel pipes by flanges, a metal bellows arranged on the anti-sedimentation joint in a sleeving manner, a heat shrinkable sleeve arranged on the metal bellows in a sleeving manner, and glass wool arranged between the anti-sedimentation joint and the metal bellows in a filled manner, wherein the end parts of the metal bellows are positioned on the outer side surfaces of the adjacent heat preservation steel pipes. The anti-sedimentation joint is wrapped with the glass wool, so that the heat preservation function is exerted, and the energy loss is reduced; and the metal bellows has certain rigidity, can prevent the glass wool from being compressed, exerts the function of protecting the glass wool, and further has a waterproof effect. The anti-sedimentation joint structure has the conventional building sedimentation absorption function, can exert the heat preservation function and the waterproof function, reduces the energy loss, prolongs the service life of a product, and improves the building construction quality.

The invention discloses a massage belt, comprising a belt body formed by pressing a silica gel material with a hot-melt process, and a control module, wherein an inner ring of the belt body is press-fitted with a first conductive composite layer vertically symmetrically distributed about a central axis, the middle part of the inner ring of the belt body is press-fitted with six annular second conductive composite layers in annular distribution, a heating module and a low frequency pulse module which are connected by the control module simultaneously act, and the heating module can release infrared heat. The materials of the first conductive composite layer and the second conductive composite layers are used in combination with the low-frequency pulse massage module, and double effects of electric pulse stimulation and low-frequency pulse massage on a human skin joint can be achieved; the heating module and the low-frequency pulse module simultaneously act, and on the first conductive composite layer and the second conductive composite layers are used in combination with the low-frequency pulse massage module, a three-in-one effect is realized, and the physiotherapy effect is better.

The invention discloses an automatic assembling technology for an LED filament lamp. All parts of the LED filament lamp pass through corresponding stations, and finally an LED filament lamp finished product is assembled. Due to the fact that an assembling production line in the mode of an assembly line is used in the automatic assembling technology, different assembling processes are processed onall the stations, automatic machine claws are used as the main processing means during the period, manual work serves as the auxiliary means, and therefore the whole assembling efficiency can be effectively improved, assembling time is shortened and assembling error probability is lowered. Meanwhile, a lamp filament and a driving assembly are connected through connectors in the assembling process,and the problems of being high in lamp body reject ratio and high in cost caused by infirm welding between the lamp filament and the driving assembly, long welding time and low assembling efficiencyare reduced. Hence, the automatic assembling technology for the LED filament lamp has the following beneficial effects that (1) difficulties in the assembling process are reduced; (2) the lamp filament and the driving assembly are tightly connected; and (3) the whole assembling efficiency is high.

The invention provides a multi-component triblock fluorosilicone copolymer with a sequence structure. The multi-component triblock fluorosilicone copolymer has extremely low surface energy, and can beused as an electronic protective agent to coat and modify various electronic components such as printed circuit boards, resistors, capacitors, sensors, display screens, touch screens and the like. Therefore, the multi-component triblock fluorosilicone copolymer has a waterproof effect in a humid environment, and the functional damage caused by water is avoided. According to the invention, trithioester is used as an RAFT reagent; a triblock fluorine-silicon copolymer with a sequence structure can be formed; the fluorine-containing hydrophobic and oleophobic coating has an ordered and controllable structure, can generate a surface micro-phase separation behavior in a film forming process, forms a gradient structure, promotes the enrichment of fluorine-containing chain segments on the surface, remarkably improves the surface hydrophobic and oleophobic properties of the material under the condition of low fluorine content, can improve the adhesive force between the coating and a base material, and has the effect of remarkably improving the comprehensive properties of the coating.

The invention provides a sports duct tape, comprising a release agent layer, a waterproof layer, a priming layer, a PE (polyethylene) film layer, a base material layer and an adhesive layer sequentially from one surface to the other surface. The sports duct tape has the advantages of good waterproof effect and anti-sweat performance, can be easily torn into pieces with needed shapes or sizes by users without effort or other tools, and is comfortable as well as easy to use.

The present invention intends to provide a waterproof slide fastener in which a synthetic resin film is fused to a fastener tape in order to prevent a perforation phenomenon that the synthetic resin film does not exist locally. A laminated synthetic resin film (4) composed of low melting point resin layer (12) having melting point of, for example, 100 DEG C - 140 DEG C and high melting point resin layer (13) having melting point of, for example, 150 DEG C - 230 DEG C is fused to a surface or both surfaces of a pair of the fastener tapes (3) with the low melting point resin layer (12) being in contact with and opposing the fastener tape (3) by heating with pressure. Fastener elements (5) are mounted onto a side edge (11) of the fastener tape (3) and the laminated synthetic resin film (4) is formed so as to protrude outward from the side edge (11) of the fastener tape (3) and a center point of coupling of the fastener elements (5). Because the high melting point resin layer (13) disposed on the surface of the fastener tape (3) is not melted, no perforation phenomenon occurs. Further, because the laminated synthetic resin film (4) protrudes from the side edge (11), waterproof function is secured.