91results about How to "Improve moisture and water resistance" patented technology

The invention discloses a wear resistant high-strength corrugated board and a preparation method thereof. The corrugated board is formed by compounding upper-faced paper, a V-shaped corrugated core and lower-faced paper, the V-shaped corrugated core is composed of a corrugated core base layer and protective layers sizing on both sides of the base layer, the corrugated core base layer is prepared from the following raw materials in parts: 100 parts of red pine wood pulp, 30-50 parts of bamboo pulp, 20-30 parts of fluff pulp, 40-60 parts of waste paper pulp, 1-5 parts of cyclodextrin, 10-15 parts of oxidated cassava starch, 4-8 parts of composite reinforced fibers, 1-3 parts of cationic polyacrylamide, 0.01-0.1 part of sodium sorbate, 0.1-0.3 part of antimonous oxide, 0.1-0.5 part of poval,5-7 parts of polydimethylsiloxane, and each protective layer is prepared from the following components in percentage by weight: 40-60% of a hydroxylation graphene modified ylate emulsion, 5-10% of sodium caseinate, 20-30% of cationic rosin size and 15-20% of montmorillonite. The corrugated board has the high mechanical strength, excellent wear resistance, excellent shock resistance, excellent water resistance and excellent moisture resistance, has certain antibacterial and mildew-proof effects, the preparation technology is simple, operation is convenient and fast, and repeat sizing is not needed.

The invention discloses a compound fertilizer antiblocking agent which comprises the following components in percentage by mass: 40.0-70.0% of vegetable oil, 10.0-30.0% of paraffin, 1.0-10.0% of octadecylamine, 1.0-10.0% of vinyl acetate, 1.0-10.0% of surfactant and 0.02-0.20% of benzoperoxide. After being mixed with a compound fertilizer, the compound fertilizer antiblocking agent can form a compound film with higher moisture and water resistance than the existing antiblocking agent on the compound fertilizer; and the film can effectively prevent ambient moisture from invasion, thereby preventing the compound fertilizer granules from mutual binding and agglomeration. Besides, the mixed compound fertilizer has obviously higher slow-release property, thereby finally, enhancing the fertilizer efficiency of the compound fertilizer. The invention also discloses a preparation method of the compound fertilizer antiblocking agent and an application method of the compound fertilizer antiblocking agent.

The present invention discloses one kind of paint for steel structure surface of ship and its production process. The paint has the main components including organic silicon resin modified alkyd resin, phenolic resin modified alkyd resin, pigment, nanometer zinc oxide, superfine aluminum hydroxide, superfine barium sulfate, nanometer silica, paint drier, No. 200 solvent gasoline and methyl ethyl ketoxime. The production process includes dispersing all the materials except paint drier and methyl ethyl ketoxime in a cylinder for 15 min, sand grinding to fineness superior to 40 microns, regulating with resin and paint drier to acid value not greater than 11 mgKOH/g and viscosity of 200-400 sec at 25 deg.c, filtering, packing while adding methyl ethyl ketoxime. The present invention solves the problem of paint film to release fume and toxic matter and has high safety performance and heat resistance.

The invention relates to a rubber running belt for a treadmill and a preparation method thereof. The rubber running belt is arranged on the treadmill, and the rubber running belt is made of elastic composite rubber, wherein, in parts by weight, The elastic composite rubber uses nitrile rubber, styrene-butadiene rubber and neoprene as the skeleton, SBS rubber elastomer, polyolefin elastomer, polyurethane elastomer and hollow glass microspheres as the base material, magnesium hydroxide, tributyl phosphate Ester, triazine and melamine are used as auxiliary materials, diatomaceous earth, talc powder, silicon carbide micropowder or zirconium carbide micropowder or alumina micropowder and modified titanium dioxide are used as reinforcing agents, and titanic acid coupling agent, ring Oxygenated soybean oil and silane coupling agent are used as admixtures and vulcanizing agent BPO, sulfur and accelerator DM are used as vulcanizing agents by mixing and kneading. The rubber running belt of the invention has high elasticity, high flexibility and high wear resistance, and has a long service life.

The invention relates to a production process of low-basis-weight damp-proof waterproof coveying paper, which belongs to the technical field of the preparation of gypsum board coveing paper, and can solve the problems in the prior art that the performance of the gypsum board coveing paper is influenced and the cost is high due to the addition of additives in the gypsum board coveing paper production process. The production process comprises two steps, i.e. pulping and papermaking, wherein in a papermaking OCC production line, a process for pulping short fibers at a high concentration is adopted, the papermaking adopts four-layer mesh composite molding, deinked pulp is smeared on a surface layer, four layers of pulp are injected onto a four-layer molding mesh by virtue of a pulp flowing box, then the pulp is subjected to one vacuum pressing, twice large-roller pressing, primary drying, surface gluing, later drying and winding, and finally the pulp is rewound into paper rolls with different specifications by virtue of a rewinding machine. The production process saves the energy, reduces the pollution, improves the paper strength, reduces the basis weight of the paper, and improves the damp-proof and waterproof characteristics of the paper.

The invention discloses a waterproof and dampproof gypsum board and a preparation method thereof, and relates to the technical field of novel building materials. The gypsum board is prepared from the following raw materials in parts by weight: calcined desulphurization gypsum, Faku clay, laumontite powder, polyimide fiber, sodium bentonite, silicone polyether emulsion, dimethyl sulfoxide, methyl chlorostearate, a starch adhesive, a waterproofing agent, an activator, a foaming agent and a water reducer. The preparation method of the waterproof and dampproof gypsum board comprises the steps: adding water into the raw materials stage by stage, uniformly mixing and aging the raw materials, and performing pouring, preforming and drying operation, thus obtaining the waterproof and dampproof gypsum board. By improvement and optimization of the production raw materials and the process, a finished product board is high in waterproof and dampproof property, so that reduction of the mechanical strength of the board and deterioration of an indoor environment can be prevented; the service life of the gypsum board is prolonged; and the gypsum board is higher in reliability and safety and suitable for being popularized and applied.

The invention mainly relates to the technical field of fireproof materials, in particular to a preparation process of a waterproof fiber gypsum board. The preparation process comprises the following steps of (1) preparing materials, (2) stirring, (3) forming and (4) spraying. The preparation process is simple, is low in cost, and accords with the environment-friendly requirement. By improving andoptimizing the production raw materials and the process, the gypsum board has the excellent water resistance and moisture resistance, the structure is more compact, and the mechanical strength of thegypsum board is also improved to a certain extent, so that the gypsum board is not prone to buckling deformation or falling off. Because of the improvement of the waterproof and moisture-resistant performance, the service life of the gypsum board is prolonged to a certain extent, and the gypsum board is suitable for popularization and application.

The invention discloses a composite flame retardant, flame-retardant asphalt and a preparation method of the flame-retardant asphalt. The composite flame retardant comprises montmorillonite and melamine-dicyandiamide formaldehyde resin polyphosphate, wherein the melamine-dicyandiamide formaldehyde resin polyphosphate coats on the surface of the montmorillonite and is inserted between layers of the montmorillonite. According to the composite flame retardant, the dispersibility and the homogeneity of montmorillonite particles in asphalt can be improved, the filling amount of the flame retardant is reduced, and the properties, such as the water resistance, the anti-crack property, the rut resistance, the low temperature resistance, the thermo-oxidative aging resistance and the photo-oxidative aging resistance are improved at the same time.

The invention relates to an embedded multifunctional pedometer which comprises a pressure sensor and a pedometer body, wherein the pressure sensor is mounted on a shoe sole; the pedometer body comprises a singlechip, a liquid crystal display, a signal amplification and AD processing circuit, a crystal oscillation reset circuit, a buzzer and a power supply; the singlechip is respectively connected with the liquid crystal display, the signal amplification and AD processing circuit, the crystal oscillation reset circuit, the buzzer and the power supply; the pressure sensor is connected with the singlechip through the signal amplification and AD processing circuit; a thermistor is embedded in the pressure sensor, and is connected with the singlechip through the signal amplification and AD processing circuit; the singlechip calculates the corresponding movement parameter according to received voltage signals of pressure and temperature and the input parameter which is stored in advance, and the movement parameter is displayed through the liquid crystal display. Compared with the prior art, the embedded multifunctional pedometer has the advantages of compact structure, capability of precisely accounting, stable performance and the like.

The invention discloses an aluminum dihydrogen phosphate and steel fiber reinforced refractory castable and a preparation method. The aluminum dihydrogen phosphate and steel fiber reinforced refractory castable comprises a main refractory material, an additive and a binding agent; the raw material of the binding agent comprises an aluminum dihydrogen phosphate aqueous solution in mass concentration of 45-50%; thiourea and potassium iodide are dissolved in the aluminum dihydrogen phosphate aqueous solution in mass concentration of 45-50%; the weight of the aluminum dihydrogen phosphate aqueoussolution in mass concentration of 45-50% is 8-12% of total weight of the main refractory material. The aluminum dihydrogen phosphate and steel fiber reinforced refractory castable is adopted for preparing the products, such as a molten iron slagging plate with a carbon steel metal core wrapped with a refractory material; the generation of reaction gas of aluminum dihydrogen phosphate is avoided during the processes of castable preparation and casting molding; water resistance and strength under normal temperature of the casting body are promoted; excellent effects of greatly reducing the timeof casting molding and baking preparation, reducing baking energy consumption and prolonging service life are achieved.

A wood-plastic flooring structure convenient and quick to install comprises a supporting body, wood-plastic flooring unit bodies and rotatable buckles. Multiple parallel protruding guide rails are arranged on the supporting body in the length direction of the supporting body. Multiple inserting connecting grooves adjacent to the corresponding guide rails are evenly formed in the direction of the guide rails. Guide grooves are formed in the bottoms of the wood-plastic flooring unit bodies in the length direction of the wood-plastic flooring unit bodies and matched with the guide rails on the supporting body. The spliced sides where the wood-plastic flooring unit bodies are spliced with one another are provided with grooves in the long edge direction of the wood-plastic flooring unit bodies. Each rotatable buckle is in a T shape and comprises a horizontal clamping board and a vertical clamping board. Each horizontal clamping board is clamped in the grooves of the corresponding two adjacent wood-plastic flooring unit bodies. The bottom of each vertical clamping board is clamped in the corresponding inserting connecting groove in the supporting body. By the adoption of the provided wood-plastic flooring structure, the structural form that the supporting body and the wood-plastic flooring unit bodies are combined is adopted, dampness can be effectively prevented, installation is convenient and quick, and in the installation process, the labor cost and later maintenance cost can be saved.

The invention relates to the technical field of protection of printed circuit boards, and concretely relates to three-proofing lacquer rapidly solidified at room temperature and used for printed circuit boards. According to the three-proofing lacquer, epoxy acrylate and glycidyl-ester type epoxy resin are mixed in a solvent and subjected to ultrasonic dispersion processing, so that the viscosity and the surface energy of the obtained mixed resin are effectively reduced, and the mixed resin shows good usage property. The mixed resin is mixed with other low-toxicity environment-friendly additives, so that the obtain three-proofing lacquer can be rapidly solidified at room temperature, the production efficiency is improved, and a lacquer film with uniform thickness and good adhesive force can be formed on the surface of an appliance by using a spraying coating process, a brushing coating process or a dipping process, the lacquer film has good water proofness, moisture resistance, chemical corrosion resistance, high-heat resistance, antistatic property and other efficacy, and helps to improve the safety of a circuit board and reduce fault occurrence, and the three-proofing lacquer is applicable to protect circuit boards working at high-heat moist environments and the like.

A process for preparing the shaped material (artificial plate) from the sludge generated by making paper includes such steps as dewatering, baking, adding glue, stirring, pressing under 10MPa, and baking.

The invention discloses a preparation method of an autoclaved aerated concrete block. The autoclaved aerated concrete block comprises the following components in parts by weight: 60 to 72 parts of coal ash, 10 to 15 parts of lime, 5 to 9 parts of gypsum, 5 to 7 parts of cement, 0.1 to 1 part of aluminite powder and 0.1 to 2 parts of acrylic resin emulsion with the mass fraction of 98%. The preparation method comprises the following steps: adding the components in corresponding parts by weight except 0.1 to 3 parts of acrylic resin emulsion into 80 to 100 in parts by weight of water, grinding and evenly stirring so as to prepare homogeneous slurry; standing the prepared homogeneous slurry for 10 to 20 minutes and pouring into a mold box after removing a supernatant liquid; sending the mold box into a drying room and precuring for 1 to 3 hours by keeping a precuring temperature in the drying room within 40 DEG C to 58 DEG C; cutting into a block blank as long as the completion of the precuring; and coating 0.1 to 2 parts of acrylic resin emulsion with the mass fraction of 98% on the surface of the block blank within 30 minutes after the stopping of the precuring, thereby obtaining the autoclaved aerated concrete block.

The invention discloses a fully-sealed buried cable branch box, comprising a tank, an insulated mast, a sealing cover on the tank, an incoming line cable and an outgoing line cable, wherein the tank is filled with insulating materials; a side wall of the tank is provided with a pipeline; a port of the pipeline is provided with a fixed flange which is fixed with an inner wall of the pipeline mutually and a movable flange; the movable flange is provided with a through hole; and the incoming line cable and the outgoing line cable pass through the through hole. The cable branch box has the advantages that the volume is small, the cost is low, the water-moisture proof effect is good, the induced over voltage withstand performance is high, the lands are saved, the cities are beautified, and thefully-sealed, fully-insulated and touchable effect can be reached. The cable branch box is a high-performance product which can be operated in rivers, lakes and seas, and the cable branch box has good application prospects.

The present invention relates to a damp-proof and water-proof processing method for deep-processed finished products of wooden material. Its main process includes the following steps: 1. selecting and using wooden material as raw material; 2. making it into finished product with required form; 3. applying sealing agent on the speicific surface of finished product; and 4. the described sealing agent is prepared by using methylene diphenyl diisocyanate and solvent.

The invention discloses a data line having the moistureproof function. The data line comprises a USB interface, a Micro interface and a line body, wherein an outer surface layer of the line body is provided with a shielding layer, an outer surface layer of the shielding layer is provided with a Kevlar fiber layer, an outer surface layer of the Kevlar fiber layer is provided with a protection layer, an outer surface layer of the protection layer is provided with a crosslinked polyethylene layer, an outer side of the line body is provided with a setting line, one end of the line body is providedwith a Velcro, two ends of the line body are connected with the USB interface and the Micro interface, connection portions of the line body and the USB interface and the Micro interface are providedwith rubber protection blocks, a bottom portion of the USB interface is connected with a U disc through a rotation shaft, one side of the USB interface is provided with an LED lamp, the other side ofthe USB interface is provided with a switch button, and the switch button is electrically connected with the LED lamp. The data line is advantaged in that the data line is ingenious in design, is convenient and practical, employs Kevlar fiber and three-resisting glue materials, has quite strong tear resistance, is not easily damaged and has long service life.

The invention provides a polyolefin porous material, a foam layer containing the polyolefin porous material and an adhesive tape containing the polyolefin porous material, the polyolefin porous material comprises a foam layer, an upper adhesive layer, a lower adhesive layer and a release protection layer, the upper adhesive layer is arranged above the foam layer, the lower adhesive layer is arranged below the foam layer, the release protection layer is arranged above the upper adhesive layer, the foam layer is subjected to surface treatment, and the thickness ranges of the upper adhesive layer and the lower adhesive layer are both 0.01-0.1 mm. According to the polyolefin porous material and the foam layer containing the polyolefin porous material, the adhesive tape is a double-sided foam adhesive tape with high strength, impact resistance, high binding power and high aging resistance, and has excellent damp-proof and waterproof performance.

The invention belongs to the technical field of sheets and discloses a manufacturing method for a flexible waterproof fracture-resisting sheet. The manufacturing method includes the steps of preparing heat transfer printing films, conducting hot melting and fitting and tearing off release paper. According to the manufacturing method for the flexible waterproof fracture-resisting sheet, a framework layer is a middle layer, waterproof hot melt adhesive layers are arranged on the two sides of the framework layer, the surface of each hot melt adhesive layer is printed with a pattern layer, and the sheet is manufactured through the double-sided heat transfer printing process. Compared with layer-by-layer blade coating in the prior art, by the adoption of the manufacturing method, few steps exist, the process is simple, and the production efficiency of the sheet can be improved. The invention further discloses a method for manufacturing a tag through the flexible waterproof fracture-resisting sheet.

The invention discloses a passive building whole-process quality control system based on a construction engineering dynamic management method and a building, and belongs to the field of building energy conservation. The system comprises an index system database, a support platform, a platform layer, a network layer and a sensing layer. The building using the system mainly comprises a main structure wall, an airtight layer, a graphite polystyrene board outer wall thermal insulation layer, a passive outer window, a rock wool fireproof isolation belt, a waterproof vapor-permeable film, a waterproof vapor-proof film, a main structure roof, a high-volume-weight graphite polystyrene board, a main structure basement roof, a first extruded polystyrene board, a rock wool belt, a second extruded polystyrene board, a ground structure layer, a third extruded polystyrene board, a through-wall pipeline, a pipeline thermal insulation layer, a pre-pressing expansion sealing belt, a ventilation and airconditioning all-in-one system, an air supply port, an air return port, an air inlet, an air outlet, a circulating air port, an air supply pipeline, an air return pipeline, an air inlet pipeline, anair exhaust pipeline and a circulating air pipeline. By the adoption of the technical scheme, the comfort of the indoor environment is effectively improved, meanwhile, building energy consumption is reduced, and the building energy conservation purpose is achieved by 90% or above.

The invention relates to a preparation method of a waterproof and flame-retardant corrugated board and the waterproof and flame-retardant corrugated board. The preparation method comprises the following steps: i) placing a waterproof and flame-retardant coating in a coating machine, and quantificationally coating one or both sides of the corrugated board, wherein the waterproof and flame-retardant coating is prepared from the following components: a silicone-modified polyurethane aqueous dispersion, ammonium polyphosphate, melamine phosphate, pentaerythritol, isopropanol, isopropanol silica sol, methyltrimethoxysilane, polyoxyethylene nonylphenol ether, auxiliaries and water; ii) drying the coated corrugated board with saturated steam at a drying temperature of 140-160 DEG C with the retention time of 8-12 s. In the case that the coating is thin and the coating amount is small, the obtained waterproof and flame-retardant corrugated board has good mechanical strength and mechanical properties; a flame retardant level is reached, and the fire-proof and fire-retardant effects are obvious; the water contact angle of a coating film surface reaches 120 degrees or above, so that good moisture resistance and water resistance are realized.

The invention discloses a formula and processing method of quick-hardening and short-curing-period concrete. The formula of the quick-hardening and short-curing-period concrete comprises the components: 275/kg of magnesium oxide, 175/kg of magnesium chloride, 150/kg of sand, 200/kg of stone, 58/m of a fiber net, 50/kg of fly ash, 2/kg of palm fibers, 0.4/kg of a catalyst, 0.6/kg of an early strength agent, 0.5/kg of a water reducing agent, and 350/kg of water. The processing method of the quick-hardening and short-curing-period concrete comprises the steps: firstly, sequentially adding the magnesium oxide, the magnesium chloride, the sand, the stone, the fiber net, the fly ash, the palm fibers, the catalyst, the water reducing agent and the water into a concrete stirrer, and stirring for 5min; and then adding the early strength agent into the concrete stirrer, and continuously stirring for 10 min. By adopting the concrete prepared by the preparation method, the weight of a concrete product can be reduced, the maintenance period of the concrete product can be shortened, the maintenance cost of building construction is reduced, and a product prepared from the concrete prepared by the preparation method has good damp-proof and waterproof effects.