1625 results about "Waterproofing" patented technology

A waterproof button knob includes an elastic button seat with a housing trough mating with a button port of a case. The button seat isolates the interior and the exterior of the case to achieve waterproofing. The housing trough has a plurality of apertures on the bottom. The housing trough holds a button cap that has a plurality of button stems extended downwards to pass through the apertures and form a tight coupling. The button stems may be moved to hit switches located in the case.

A fire resistant and water resistant expansion joint system comprises a compressed lamination of fire retardant infused open celled foam, one coat of an elastomeric waterproofing or water resistant material on the lamination, and another coat of an intumescent material on an opposing surface of the lamination, thereby providing fire resistance in one direction and water resistance in the opposite direction. The intumescent material may be further coated with a similar elastomeric material, thereby providing fire resistance in one direction and water resistance in both directions. In the alternative, the compressed lamination may comprise first and second opposing layers of intumescent material thereon each having a respective layer of elastomeric material to provide both water resistance and fire resistance in both directions.

A wall reinforcing system is provided for strengthening of walls formed of masonry or from wood, metal or other structural materials. A basic system comprises utilization of rigid, fiber reinforced polymer plates of a length to extend substantially the full vertical heigth of the wall. These plates incorporate a plurality of filamentary fibers of length to extend the full length of a plate with these fibers formed from carbon, glass or other material exhibiting high tensile strength and are affixed in a cured polymer matrix. A number of these plates are securely fixed to a wall in spaced parallel relationship by a resin bonding agent or by mechanical fastening devices, or by a combination of both. A plate may include a plurality of plates secured in stacked, superposed relationship and ridgidly secured together by a resin bonding agent into a unitary structure. A second system utilizes one or more sheets of flexible fabric-like material that is fabricated with tows of high tensile strength filamentary fibers of carbon, glass or other material. This fabric-like material is secured to the wall by a resin bonding agent with the tows vertically oriented thus utilizing their tensile strength for strengthening of the wall, either alone or in combination with the plates, and providing waterproofing.

The invention provides a polymer modified asphalt, and the weight of the components comprising as follows :45-55% matrix asphalt, 4 - 8% blend oil, 12 - 14% of SBS ,5-9 % APAO, 2-7% of High-temperature improvement and 15-20% filler. It also offers polymer modified asphalt, which made of waterproof membrane and the railway bridge, highway bridge deck waterproofing project applications. The invention of these waterproofing membrane have a high standard of waterproof function, it can withstand high intensity of railway bridge and particularly high stress dynamic load .It also have excellent performance on water-resistance, high and low temperature resistance, adhesion, crack resistance, fatigue resistance and other aspects .it can be used for railway bridge and the road deck waterproofing works.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

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.

This invention relates to an ultra sparse water conductive fiber. The superficial gable is the fiber of electric conduction polymer which is composed by 20-1000 nanometers thick, diameter of 400-900 nanometer electric conduction high polymer. This fiber is for using electric conduction polymer chemical oxidation position polymerization method in fiber surface gable electric conduction polymer level. This invention also relates to a ultra sparse water electric conduction fabric, it for in the superficial gable a fabris composed of 20-1000 nanometers thick, by the diameter was the electric conduction polymer level fabric which 400-900 nanometer electric conduction high polymer particle. This fabric for use electric conduction polymer chemical oxidation home position polymerization method in fabric surface gable electric conduction polymer level. This invention's fiber or the fabric surface resistance for 200 omega /cm2-300M omega /cm2, the angel contact with water is bigger than 160degree, the roll position is smaller than 14degree. It displays highly clean ability, has the electromagnetic screen, the anti-static electricity, the stealth, the waterproofing, the dustproof function, specially for war industry, astronautics aviation, factory and mining enterprise, health and so on.

The invention discloses an EPS (expandable polystyrene) fireproof thermal-insulating plate which is made by subjecting master batch particles of expandable polystyrene to steam prefoaming, well mixing the premade flame retardant slurry and the prefoamed polystyrene particles according to the weight ratio of 1:2-4, drying, moulding with steam, cooling and demoulding, and cutting. The EPS fireproof thermal-insulating plate reaches the fire rating level A2, the tensile strength is improved, the original advantages of low heat conductivity, fine waterproofing and the like are retained, and the overall process is pollution-free and highly environment-friendly.

The present invention is directed to LED packages and methods utilizing waterproof and UV resistant packages with improved structural integrity. In some embodiments, the improved structural integrity is provided by various features in the lead frame that the casing material encompasses to improve the adhesion between the lead frame and the casing for a stronger, waterproof package. Moreover, in some embodiments the improved structural integrity and waterproofing is further provided by improved adhesion between the encapsulant and the casing. Some embodiments also provide for improved wire bonds, with the length, thickness, and loop height of the wire bonds controlled and optimized for improved adhesion between the wire bonds and the encapsulant as well as improved reliability.

The invention belongs to the fields of waterproofing of buildings and solid powdering and relates to a preparation method of an organic silicon microcapsule powder waterproof agent. The preparation method comprises the following steps: preparing water-soluble high polymer wall material into a water solution; mixing a superfine inorganic mineral filler with an organic silicon high-efficient waterproof agent according to a certain proportion for forming homogeneous dispersion; adding a polymer solution and other auxiliaries into the dispersion and dispersing for forming a homogeneous, stable and dry dispersion liquid; performing spray-drying on the uniform and stable dispersion liquid for getting organic silicon waterproof agent microcapsule powder with a certain fineness; and collecting a product, sealing and preserving. The adopted water-soluble polymer film-forming wall material, the inorganic filler and the organic silicon high-efficient waterproof core material have good performances and have no adverse effects on the performances of basic materials, the adopted equipment is easy to operate and the prepared organic silicon powder is white; the organic silicon microcapsule powder waterproof agent has excellent water repellency and water vapor permeability; the organic silicon microcapsule powder waterproof agent can be re-dispersed and has excellent workability with water; and the solvent-free design is healthy and environmentally-friendly.

The invention discloses a light-quality plaster ceiling in the architectural decorative material domain, which comprises the following parts: 50-70% architectural plaster, 8-15% light filler, 0.5-1.5% modifier, 1-2% waterproofing agent and 5-10% polyvinyl alcohol solution, wherein the lightweight fill is one or two or three of light calcium carbonate or lightweight magnesium carbonate or white carbon black according to random rate; the modifier is composed of 100g water, 15-20g silicasol, 5-7g sodium fluoride, 4-6g aluminum potassium sulfate, 7-9g potassium bichromate and 0.5-1g tributyl phosphate; the waterproofing agent is organic silicon waterproofing agent of sodium silanol methyl or potassium silanol methyl; the glass fiber is low-alkaline or non-alkaline glass fiber.

A basement floor drain for use in basement waterproofing systems. The floor drain contains an upper chamber for collecting water, and an air resistant lower chamber to promote the establishment of a closed waterproofing system. A valve regulates flow of water from the upper chamber to the lower chamber. An outlet in the lower chamber may be fluidly connected to a basement sump to facilitate extraction of collected water. A basket may be included in a base of the upper chamber to protect the valve from clogging, and the basket may be removable to aid cleaning. The floor drain may be a modular assembly, multiple components of which may be coupled for customizable size and functionality.

The invention provides a high-performance thermosetting epoxy resin adhesive for roads and bridges. The adhesive comprises a component A and a component B, wherein, the component A comprises the following components in parts by mass: 100 parts of epoxy resin, 25 to 33 parts of flexibilizer, and 5 to 10 parts of diluent; the component B comprises the following components in parts by mass: 80 to 120 parts of curing agent, 5 to 10 parts of accelerant, 0.5 to 2 parts of coupling agent, 1 to 10 parts of reinforcing agent, and 0.2 to 0.5 part of antifoaming agent; and the ratio of the component A to the component B is 100:100-100:120. According to the adhesive, a flexible long-chain aliphatic amine serving as the curing agent has a curing reaction with the epoxy resin to form a solid crosslinking structure, so that the epoxy resin adhesive is high in adhesion capability and water resistance; The toughness of the epoxy asphalt adhesive is improved by adopting the soybean oil-based polyurethane to be adapted to the flexibility of a steel plate, and the soybean oil-based polyurethane containing massive hydroxyl has good compatibility with the epoxy resin. The adhesive is applicable to adhesion and waterproofing of steel bridge decks, viaducts, cement concrete bridge decks, tunnels, expressways and other decks. The invention discloses a preparation method of the high-performance thermosetting epoxy resin adhesive.

The invention provides a tung oil modified JS water proofing paint and preparation method, using excellent waterproofness and film-forming property of tung oil. The preparation method comprises : producing modified polyvinyl alcohol by reacting the tung oil with the formaldehyde and polyvinyl alcohol at acid condition; mixing the modified polyvinyl alcohol and acr type latex to a scale; adding dispersant, antifoaming agent to form organic latex; adding organic powder lot produced by mixing portland cement, heavy calcium (or talcum powder), quartz sand; producing water proofing paint. The polymer cement water proofing paint (JS paint) is constituted by two components, with extensibility and waterproofness of polymer coating film, advantages of cement matrix: high strength, easy to bond with the damp substrate, low cost, good workability, and environmental protection.

The invention relates to a water firming environment-friendly polyurethane waterproofing paint and the preparing process, in particular to a water firming environment-friendly polyurethane waterproofing paint which can be applied to the damp interface. The invention is prepared by mixing constituent A and constituent B by a certain ratio; the constituent A includes mixed polyether polyols, the weight ratio of which is 60-70 percent; methane diphenyl diisocyanate (MDI), the weight ratio of which is 25-35 percent; plasticizer, and the weight ratio of which is 1-10 percent. The constituent B includes liquid filling, the weight ratio of which is 35-45 percent; inorganic powder filling, the weight ratio of which is 45-55 percent; chemical accessory ingredient, the weight ratio of which is 1-10 percent; and water, the weight ratio of which is 1-10 percent. The paint of the invention uses more environment-friendly material to replace the material in the prior art which is costly and unhealthy, solves the problem that the water firming waterproofing paint in the prior art is difficult to become environment-friendly, simplifies the preparing process, and lowers the production cost.

The invention relates to a mortar and concrete modified by emulsified asphalt and is mainly applied in the fields of building insulation and waterproofing. The invention is characterized in that the mortar and the concrete are mainly produced by mixing inorganic cementing material, emulsified asphalt, aggregate, water and other additives. The invention uses emulsified asphalt instead of polymer emulsion or rubber powder for producing the modified cement mortar and concrete, which improves the various properties of the mortar and the concrete and has an obvious effect in the fields of building exterior wall insulation and waterproofing. Compared with the concrete without adding asphalt emulsion and film-forming polymers, the water absorption of the produced waterproof concrete is reduced by more than 20%, and the anti-chloride permeability is improved by more than 30%, and the anti-carbonation performance is improved by more than 15%. In the construction energy-saving field of external wall insulation, the polyphenyl granule insulation mortar produced with emulsified asphalt, bonding mortar and surface mortar of polystyrene board insulation system can significantly save the material cost under the premise of guaranteeing the performances.

The invention discloses a high-performance thermosetting epoxy asphalt binder, comprising a part A component and a part B compound, wherein the part A component comprises 100 weight parts of epoxy resin, 20-35 weight parts of flexibilizer, 0.5-2 weight parts of promoter, and 8-20 weight parts of diluent; the part B component comprises 300-350 weight parts of asphalt, 150-160 weight parts of flexible curing agent, 10-15 weight parts of promoter, 2-5 weight parts of compatilizer, and 100 weight parts of diluent; and the ratio of the part A component to the part B component is 100:350-440. According to the invention, by using flexible long-chain fatty acid anhydride as the curing agent and carrying out solidification reaction on the curing agent with the epoxy resin, a stereo cross-linked structure is formed, and the bonding capability and water resistance of asphalt are increased; by using liquid rubber as the flexibilizer, the flexibility of the epoxy asphalt binder is raised to adapt to the flexibility of a steel plate, and by prereacting the flexibilizer with epoxy resin firstly for grafting, the compatibility between the epoxy asphalt binder and asphalt is raised. The epoxy asphalt binder is suitable for bonding and waterproofing of steel bridge floor, cement concrete bridge floor, tunnel, highway and other pavements. The invention also discloses a preparation method of the epoxy asphalt binder.

The invention relates to a high-performance environment-friendly polyurethane waterproofing paint and the preparing process, in particular to a polyurethane waterproofing paint applied to passenger transport railway line. The paint is prepared by mixing constituent A and constituent B by a certain ratio. The constituent A includes polyether polyols, the weight proportion of which is 64.5-74.5 percent; modifying liquefied methane diphenyl diisocyanate, the weight proportion of which is 25-35 percent; storage stabilizer, the weight proportion of which is 0.1-1 percent. The constituent B includes liquid filling, the weight proportion of which is 45-55percent; inorganic powder filling, the weight proportion of which is 30-40 percent; firming agent, the weight proportion of which is 10-20 percent. The paint of the invention uses the modifying liquefied MDI as the material of the constituent A, ensures the production process to be more environment-friendly, ensures the operation to be more simple, and can save more cost, can meet the indexes of high strength and high percentage elongation as the paints is obtained.

The invention provides a concrete complex additive which comprises the following components by weight percent: 17.5-58.0% of efficient water reducing agent, 0.5-5.5% of organosilicon waterproofing agent, 0.2-2.5% of organosilicon reinforcing agent, 3.5-25% of polyacrylamide, 1.2-2.8% of triethanolamine, 3.2-6.3% of sodium nitrite, 0.3-1.2% of glycol, 0.6-1.3% of glycerol, 2.8-5.5% of sodium gluconate and the balance of water. The impact resistance, crocking resistance, impermeability and waterproofness of the concrete material can be obviously improved by using the complex additive provided by the application in the preparation process of the concrete, thus the concrete complex additives is especially suitable for the requirement on high-performance concrete for construction of airfield runways or highway bridges.

Improved sprayable roof coating systems which provide immediate waterproofing of a newly-sprayed latex-based ionic roof coating by applying to the upper surface of such roof coating an ionic catalyst having a pH opposed to the pH of such roof coating, whereby such upper surface of such roof coating coagulates immediately to form a thin waterproof surface layer on such roof coating and the bottom portions of such roof coating are permitted to coagulate and bond to the underlying roof normally. Also, latex-based sprayable roof coating systems permitting use in roof mastics of recycled rubber and spray equipment for such systems which do not clog up when air spraying such recycled-rubber-containing roof mastics.

The multifunctional green nano paint consists of mainly: quaternary methacrylic acid-butyl acrylate-styrene-methyl methacrylate copolymer emulsion 20-65 wt%; nano titania 0.3-5 wt%; nano zinc oxide 0.2-3 wt%; silica 0.3-3 wt%; nano calcium carbonate 0.5-5 wt%; deionized water 3-12 wt%; superfine talcum powder 1-3 wt%; superfine calcium carbonate 3-15 wt%; titanium white3-25 wt%; and assistants including dispersant, wetter, rheologic agent, thickener, color paste, defoaming agent, etc. 2-12 wt%. The paint of the present invention features no toxicity, no pollution, wash resistance, scratching resistance, ultraviolet resistance, ageing resistance, waterproofing and mould proofing as well as self-cleaning function, so that the paint may be used wide in the decoration of inner and outer walls and the anticorrosive treatment of metal material surface.