787 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.

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 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.

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.

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 invention relates to a novel wood plastic anticorrosive wallboard for outdoor wall decorations and a production method thereof. The wood plastic anticorrosive wallboard consists of PE or PP plastic, wood powder or bamboo powder, calcium carbonate, coupling agent, lubricant, antiaging agent, antibacterial agent and colouring agent. The production method comprises the following steps that: the raw materials are subject to mixing, granulation and extrusion molding to obtain a baseplate, and the baseplate is subject to cooling, cutting, surface grinding, and embossing to obtain a product. The side of the baseplate is a slot structure, and the water absorption of the baseplate in 24h is 0.2%. The wallboard used in the field of outdoor decorations has the advantages of graceful appearance, lifelike pattern, reasonable structural design, being easy to install, fireproofing, waterproofing, insect preventing, sun protection, aging resistance, no formaldehyde, good sound-absorbing effect, good antibacterial and anticorrosive effects and the like, and being 100% recyclable. Compared with other wallboard decorative materials and production technologies existed in the prior art, the novel wood plastic anticorrosive wallboard disclosed in the invention has reasonable structure, and graceful and beautiful appearance, and the production method is advanced and scientific, with high production efficiency, and good performance of the produced products.

The present invention provides a condensation inhibition system for structural waterproofing. In accordance with one embodiment of the present invention, a waterproofing system is provided within a dwelling having a wall and a foundation. The wall having a first surface for defining an interior of the dwelling and an exterior in communication with graded soil. The waterproofing system further including a waterproofing panel having a front vapor diffusion retarder portion, a back vapor diffusion retarder portion, and an insulator carried between said front portion and said back portion. Additionally, a collection channel is provided for collecting water entering into the dwelling from the exterior.

The invention relates to a method for preparing a waterproof moisture-penetrating coated fabric, which comprises the following steps of: preparing a base fabric with high density by adopting superfine high-elasticity polyester fibers, performing water-proof finish on the base fabric by using a micro molecular waterproofing agent and a softening agent, and coating a polyurethane membrane of numerous micropores with apertures of between diameters of water-drop molecules and water molecules on a shell fabric by a micro porous wet coating method. Therefore, the prepared shell fabric has the advantages of high-density fabrics and micro porous coating fabrics, has the advantages of soft texture, high tear resistance and tear fastness and good waterproof moisture-penetrating function, and can well meet the requirement of the market.

The invention belongs to the technical field of building-use waterproof materials and particularly relates to a quick-drying and quick-hardening polymer cement waterproof slurry material and a preparation method thereof. The quick-drying and quick-hardening polymer cement waterproof slurry material includes a liquid material and a powdery material according to a weight ratio of 1:3-4. The liquid material is prepared from following raw materials, by weight: 35-50 parts of a polymer emulsion and 0.05-0.2 parts of a defoaming agent. The powdery material is prepared from following raw materials, by weight: 30-60 parts of sulphate aluminium cement in 42.5 grades, 35-60 parts of quartz sand in 70-200 meshes and 0-10 parts of heavy calcium carbonate in 320 meshes. The slurry material is quick in hardening, is strong in early strength, is good in early water resistant performance, allows an impoundment test to be performed in advance for reducing construction period, is high in adhesive strength with a base material, is green and environmental-protective, and can be used for waterproofing and leakage resistance on various base materials and wall bodies.

The invention discloses a single-component (150DEG C) drying cation typed waterborne epoxy-polyurethane antisepsis primer system, comprising waterborne cation epoxy resin, pigment/filling material, nontoxic drier, dispersant and deionized water; all components of the invention are mixed and dispersed at high speed, statically arranged and grinded so as to prepare the single-component (150DEG C) drying cation typed waterborne epoxy-polyurethane antisepsis primer system. The single-component (150DEG C) drying cation typed waterborne epoxy-polyurethane antisepsis primer system has excellent construction performance, excellent alkali-resistance, waterproofing and salt spray resistance performance of film and good comprehensive performance. The single-component (150DEG C) drying cation typed waterborne epoxy-polyurethane antisepsis primer system can be applied to industrial antisepsis coating of automobiles, engineering machines, agricultural vehicles, and the like, antisepsis coating of hardware, electric apparatus industries, and paints used for repairing of electrophoresis.

Disclosed is a waterproofing structure including: one or multiple insulated core wires; a shielding member configured to collectively cover the one or multiple insulated core wires; a sheath provided on the outside of the shielding member; and a waterproofing member provided at a target part of waterproofing. The target part of waterproofing is positioned where a sheath end portion is formed by cutting away the sheath to a predetermined length, and the shielding member is exposed from the sheath end portion. The waterproofing member is shaped to include a bottomed cylindrical body including a bottom portion, and one or multiple tubular portions which open up the bottom portion and continue with an outer surface of the bottom portion.

The invention discloses a fabricated tunnel support system and a construction method thereof. The fabricated tunnel support system comprises main structures such as an advanced support, a flexible support and a rigid support, and all structural layers are constructed sequentially according to construction processes. The advanced support is formed by reinforcing surrounding rocks by advanced small pipe grouting, the flexible support is formed by splicing prefabricated foam concrete blocks through bolts, joints among all the prefabricated foam concrete blocks are subjected to sealed waterproofing through elastic rubber gaskets, the rigid support comprises concrete-filled steel tube arches and prefabricated reinforced concrete segments, the concrete-filled steel tube arches are vertically arranged at intervals along the circumferential direction of a tunnel, the positions among the concrete-filled steel tube arches are filled with the prefabricated reinforced concrete segments, every two adjacent concrete-filled steel tube arches are connected through longitudinal rebars, steel tubes are circumferentially connected through sleeves, and the prefabricated reinforced concrete segments are connected through bolts. The fabricated tunnel support system is simple in process, rapid in construction progress, high in quality and good in waterproof effect while tunnel structural safety is guaranteed effectively.

The invention discloses a self-crosslinked one-component polyurethane waterproofing coating composed of the components in parts by weight: 50-90 parts of polyol, 10-30 parts of isocyanate, 0-10 parts of a plasticizer, 0-5 parts of a hydrophilic chain extender, 0-10 parts of a small-molecular chain extender, 0-5 parts of a self-crosslinking modifier, 0-1 part of a catalyst and 0-5 parts of a solvent, wherein the self-crosslinking modifier contains hydroxyl or amino group, has a diacetone acrylamide structure and can be reacted with NCO. The self-crosslinked one-component polyurethane waterproofing coating disclosed by the invention is favorable in performance and capable of solving the problem of poor water resistance of a common waterborne coating.

The invention provides an inorganic composite insulation board and a preparation method thereof, belonging to the technical field of novel building insulation materials. The inorganic composite insulation board is characterized by comprising the following components by weight parts: 40-48 parts of expanded perlite, 5-15 parts of phenolic foam particles, 32-36 parts of an inorganic binder, 2-6 parts of an organic reinforcing agent, 2-3 parts of a waterproof agent, 2-3 parts of inorganic enhance fibers, 1-2 parts of a hardening agent, and 1-2 parts of a fire retardant. The above raw materials are fully stirred, compressed, molded, and dried under a constant temperature to prepare the inorganic composite insulation board, and the board has advantages of good thermal insulation performance, light weight, small thermal conductivity coefficient, good stability, high intensity, convenient construction, etc., and can be widely applied in roofs and walls of various industrial and civil buildings, waterproofing and insulation of cold storages, barns and basements, as well as various cold insulation engineering.

The invention discloses a steel-FRP (fiber reinforced plastic) composite corrugated plate tunnel supporting method and belongs to the technical field of research and development of composites and novel structures in the tunnel engineering field. The method comprises procedures as follows: prefabrication of a corrugated plate, reinforcement of surrounding rock by driving advanced small pipes, excavation of upper steps, mounting of a top corrugated plate, excavation of lower steps, mounting of side wall corrugated plates, excavation of an inverted arch, fixation of a corrugated plate at the inverted arch, setting of a waterproofing and drainage system and secondary lining construction. After the steps are implemented, construction of preliminary tunnel supporting, the waterproofing and drainage system and a secondary lining structure is completed, and the whole tunnel supporting structure can be completed through repeated implementation of the steps with advancing of the tunnel during specific construction. According to the method, performance of an FRP material and a steel material are sufficiently played, advantages of the corrugated plate are combined, and the method has the advantages that the corrosion resistance is good, the bearing capability is high, the hoop rigidity is high, the construction speed is high, the operation environment is excellent, the excavation range issmall and the like.

The invention discloses a manufacturing method of double-faced waterproofing pile-face dual-purpose leather of indumentum and leather boards; the method comprises three parts that: manufacturing process of the pile-face dual-purpose crust leather and waterproofing treatment of the leather boards, the process of dyeing, retanning and stuffing, and indumentum waterproofing process. The physical andchemical indexes, specialty chemical index, waterproofing index, anti-washing index and dry cleaning resistant index of the manufactured double-faced waterproofing pile-face dual-purpose leather of indumentum and leather boards are all in accordance with international or industrial standards.

The invention discloses a composite matrix based carrier modified asphalt self-adhesive waterproof coiled material, which is composed of three parts. Specifically, the first part is an HDPE film carrier, the second part is a high polymer modified asphalt self-adhesive glue film coating, and the third part is a low-alkaline glass fiber mesh cloth embedded and fixed in a high polymer modified asphalt self-adhesive material. The three parts are sticked and compounded together by the high polymer modified asphalt self-adhesive glue film coating to form the waterproof coiled material. The composite matrix based carrier modified asphalt self-adhesive waterproof coiled material disclosed in the invention can be made into an efficient waterproof material on the basis of maximumly reducing natural resource consumption, thus providing safety guarantee for engineering waterproofing.

The method discloses a method for preparing a light thermal-insulating wall material by virtue of coal gangue. The thermal-insulating wall material which is light in weight and high in strength is prepared from coal gangue, a fluxing agent and a foaming agent through processes of grinding, homogenizing, granulating, sintering at high temperature, foaming and the like. The thermal-insulating wall material disclosed by invention is high in mixing amount of coal gangue, and by virtue of heat generated from sufficient burning of residual carbon in the coal gangue, the wall material can be used for basically meeting a sintering requirement, so that fuel is saved and production cost is greatly reduced. The thermal-insulating wall material disclosed by the invention has the characteristics of being light in weight and high in strength, volume density is 250-600kg/m3, compressive strength is 3.0-11.0MPa and a heat conductivity coefficient is 0.08-0.13W/(m.k), therefore the wall material is a novel thermal-insulating wall material which integrates heat insulation, waterproofing, fireproofing, corrosion resistance and aging resistance properties; and the wall material can be used as a self-thermal-insulating wall material when being cut into a building block, and can be used as a light partition board when being cut into a slab.

Disclosed are thixotropic compositions that are curable using ultraviolet and visible radiation. In addition, methods of applying the compositions to fiber substrates such as paper are described, as are methods of curing the coated products. Partially or fully water-resistant articles made using these compositions, such as snow melting mats, windshield protectors, and freezer defrosting sheets are also disclosed.

The invention provides thermoplastic polyolefine waterproofing material and a preparation method thereof. The waterproofing material takes warp-knitting terylene cloth (1) as base cloth, a surface course (4) is coated on the upper side surface of the base cloth (1), and a performance improvement layer (2) and a bottom layer (3) are orderly coated on the lower side surface of the base cloth (1). The thermoplastic polyolefine waterproofing material of the invention has good processing performance and mechanical performance and the recovery and reuse performance which the EPDM does not possess, can realize the body welding, contain no plasticiser in the auxiliary materials, have no problem of getting brittle due to the migration of the plasticizer, have the comprehensive characteristics of large tensile strength, good puncture resistance, strong ultraviolet resistance, smooth surface, high reflectivity, pollution resistance and so on, also have the characteristics of easy processing, weldability, convenient construction and complete recovery during the engineering application, and is the novel green environmental protection waterproofing material.