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74results about How to "Prevent water channeling" patented technology
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Uncured polyurethane waterproofing coating and preparation method thereof
ActiveCN103923565AGood adhesionGrowth Intermediate ConnectivityPolyurea/polyurethane coatingsBituminous coatingsElastomerPolymer science
The invention discloses an uncured polyurethane waterproofing coating and a preparation method thereof, belonging to the technical field of polyurethane waterproofing coatings. The uncured polyurethane waterproofing coating is prepared from the following raw materials in percentage by weight: 13-20% of prepolymer, 30-65% of asphalt, 1.0-1.5% of latent curing agent, 3-15% of compatilizer, 2-9% of thermoplastic elastomer and 0-3% of powder stuffing, wherein prepolymer is a substance synthesized by reaction between polyether and isocyanate. The uncured polyurethane waterproofing coating mainly aims to improve the material proportion and polymerization process of polyurethane, and the problem that a hot-melted asphalt material is needed to be heated by using a machine is solved; the uncured polyurethane waterproofing coating is convenient in construction and good in flowability; the viscosity of the constructed material can be automatically enhanced, so that the constructed material can become an elastic plastic body and a favorable waterproofing layer without internal stresses; in addition, the uncured polyurethane waterproofing coating can be well bonded with a coiled material and can be compounded to be waterproof so as to form a waterproofing layer capable of overcoming tension fracture caused by basement layer cracking and preventing puncturing; the uncured polyurethane waterproofing coating is simple and convenient in process, rapid in construction, free of maintenance, high in working efficiency and capable of becoming the development direction of building waterproofing in the further.
Owner:浙江鲁班建材科技股份有限公司
Anionic emulsified modified asphalt and preparation method thereof and anionic high-adhesiveness waterborne asphalt waterproof coating
ActiveCN109575310AGood dispersionHigh strengthConjugated diene hydrocarbon coatingsChloropene polymer coatingsFiberCarbon fibers
The invention discloses anionic emulsified modified asphalt and a preparation method thereof and anionic high-adhesiveness waterborne asphalt waterproof coating. The anionic emulsified modified asphalt is prepared from, by mass, 50-70 parts of matrix asphalt, 1-20 parts of a polymer modifier, 0.5-2 parts of nano carbon fibers, 2-5 parts of a surface modifier, 1-2 parts of an anionic surfactant, 0.1-0.8 part of a pH regulator and 20-40 parts of water. A film formed by the waterproof coating has excellent creep performance and extending performance and is capable of well sealing cracks of a baselayer to effectively resist cracking caused by base layer settlement, deformation and the like, water channeling is prevented, and reliability of an upper waterproof roll is improved.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
Asphalt-based non-curable heat-resistant waterproof sealant and preparation method thereof
ActiveCN102775956AImprove adhesionAdhesiveNon-macromolecular adhesive additivesOther chemical processesPolymer sciencePolyolefin
The invention relates to an asphalt-based non-curable heat-resistant waterproof sealant and a preparation method of the sealant. The sealant comprises the following components in percentage by weight: 10-35% of asphalt, 5-15% of rubber oil, 1-3% of polyolefin processing modifier, 20-30% of 30Mu-100Mu glue powder, 5-10% of tackifier, 10-30 of sodium bentonite, and 3-5% of wetting dispersant reagent. The sealant has the following characteristics of good bonding property, high percentage elongation, good self-healing property, good creep property, possible construction of knife coating, spray coating or grouting, no need to maintain, capability of being constructed on wet foundation surface even under condition of (-40) DEG C and thus effectively shortening the construction period, no organic solvent, low energy consumption in construction, safety, environmental friendliness, no pollution, high-temperature resistance (not flowing at 110 DEC C), low-temperature resistance (not cracking at (-40) DEG C), stable property, good stickiness, and capability of sealing base layer cracks and pores so as to avoid water channeling phenomenon.
Owner:中建材苏州防水研究院有限公司 +1
Multilateral well experimental model, system and sand filling method
ActiveCN102704911AReal-time measurementAccurate pressure field distributionSurveyFluid removalExperimental modelBottom water
The invention relates to a multilateral well experimental model, a multilateral well experimental system and a sand filling method. Experimental sand is filled into the upper part of the multilateral well experimental model, and the lower part of the experimental model is used for simulating bottom water. A bottom water diffusion plate is arranged between the upper and lower parts. A layer of gauze element is arranged between the bottom water diffusion plate and the upper part of the experimental model. According to the multilateral well experimental model, the influence of edge water and the bottom water of an oil reservoir on the productivity of a multilateral well and the distribution of a near-well pressure field is effectively simulated under boundary conditions closer to various boundaries such as the bottom water, the edge water and enclosure in a real oil reservoir environment, so that the influence of different boundary conditions on the productivity of an oil well can be obtained.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Thermoplastic polyolefin waterproof coiled material and preparation method
InactiveCN104553188AGood flexibilityImprove high temperature resistanceSynthetic resin layered productsThermoplasticPolyolefin
The invention discloses a thermoplastic polyolefin waterproof coiled material and a preparation method thereof. The thermoplastic polyolefin waterproof coiled material is used for pre-laying anti-sticking construction. The thermoplastic polyolefin waterproof coiled material comprises a surface anti-sticking isolation layer, a protective coating, a hot melting pressure-sensitive adhesive layer and a thermoplastic polyolefin sheet layer, which are arranged in sequence; the thermoplastic polyolefin sheet is prepared by a thermoplastic polyolefin resin base material, auxiliary filler and additives; the hot melting pressure-sensitive adhesive layer adopts high molecular adhesive made of the thermoplastic rubber; the protective coating is prepared by a polymer emulsion base material, filler and additives; the surface anti-sticking isolation layer adopts a silicon coating isolation film; a long edge of the thermoplastic polyolefin sheet layer is provided with an overlap edge for hot melting welding. According to the thermoplastic polyolefin waterproof coiled material, four different materials are compounded into a whole body and form a self-adhesive waterproof coiled material which can be used for the pre-laying anti-sticking construction. The thermoplastic polyolefin waterproof coiled material is excellent in chemical resistance, temperature resistance, penetration-resisting strength, elasticity and flexibility, and the construction laying and adhesion property, the overlap bonding strength and the waterproof effect can be improved.
Owner:YUEYANG ORIENTAL YUHONG WATERPROOF TECH
Self-adhesive and preparation method thereof and anti-pollution self-adhesive asphalt waterproofing membrane
ActiveCN108003833AGood adhesionStrong infiltrationSynthetic resin layered productsBituminous material adhesivesPolymer modifiedBituminous waterproofing
The invention discloses a self-adhesive and a preparation method of the self-adhesive and an anti-pollution self-adhesive asphalt waterproofing membrane. The self-adhesive comprises the following components: petroleum asphalt, aromatic oil, naphthenic oil, synthetic wax, styrene-isoprene-styrene, styrene-butadiene-styrene, a tackifier, a stabilizer, a coupling agent and an inorganic filler. The anti-pollution self-adhesive asphalt waterproofing membrane comprises three layers which are a reinforced layer, a self-adhesive layer and an isolation layer successively; or five layers which are an isolation layer, a self-adhesive layer, a reinforced layer, a self-adhesive layer, and an isolation layer successively. According to the anti-pollution self-adhesive asphalt waterproofing membrane prepared by the invention, physical properties can meet product standard requirements in GB 23441-2009 Self-adhesive Polymer Modified Asphalt Waterproofing Membrane, and the peel strength of the membrane and an aluminum plate reaches 2.8 N / mm, and is higher than the standard by 1.5 N / mm.
Owner:YUEYANG ORIENTAL YUHONG WATERPROOF TECH
Subway station skin waterproof structure and construction method thereof
ActiveCN106436777ACreepableHigh elongation at breakArtificial islandsProtective foundationReinforced concreteWater flow
The invention discloses a subway station skin waterproof structure and a construction method thereof. The subway station skin waterproof structure comprises an outer wrapping waterproof layer distributed on the outer side of a constructed subway station body structure; the constructed subway station body structure includes a baseplate, a side wall, a top plate and a middle plate; the baseplate, the side wall, the middle plate and the top plate are all reinforced concrete structures cast by waterproof concrete; and the outer wrapping waterproof layer includes a top plate waterproof layer distributed above the top plate, a baseplate waterproof layer distributed below the baseplate, and a side wall waterproof layer distributed on the outer side of the side wall. Compared with the prior art, the construction method is simple in construction, high in efficiency and convenient to treat such waterproof weak detail links as a wall penetrating pipe and a water falling port of a subway station; and multiple defense lines consist of two types of waterproof structures, so that the bonding strength with the station structure body is high, the water flowing is prevented, no joint is generated, the skin type water prevention can be formed, and the waterproof effectiveness of the subway station is guaranteed.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD +2
Method and device for controlling washing of station of bottle washing machine
ActiveCN103272810ALow installation costReduce energy consumptionHollow article cleaningProgramme control in sequence/logic controllersEngineeringLow speed
The invention discloses a method and device for controlling washing of a station of a bottle washing machine. According to the method for controlling washing of the station of the bottle washing machine, when a central control unit confirms that a bottle or a bucket is placed on the station according to information fed back by a detecting device, a station valve, corresponding to the station, on a washing pipeline is controlled to be opened, a corresponding water pump on the washing pipeline is controlled to operate at a high speed, and a spraying head on the station is made to wash the bottle or the bucket in a spraying mode; when the central control unit confirms that no bottle or bucket is placed on the station, the station valve is controlled to be closed, the water pump is controlled to operate at a low speed, and the spraying head is made to stop washing. The device for controlling washing of the station of the bottle washing machine comprises the central control unit, the detecting device, the station valve, the water pump, the spraying head and the washing pipeline, wherein the detecting device, the station valve and the water pump are connected with the central control unit electrically, and the water pump, the station valve and the spraying head are installed on the washing pipeline in sequence in the flowing direction of water in the washing pipeline. The method and device for controlling washing of the station of the bottle washing machine has the advantages that energy consumption, water consumption and acid and alkali water consumption can be reduced and the phenomenon of leakage of the station is avoided.
Owner:GUANGZHOU TECH LONG PACKAGING MACHINERY CO LTD
A waterproof system coating-coiled material composite plane and a constructing process
InactiveCN105904816AEffectively resist crackingAvoid the problem of water channelingRoof covering using flexible materialsSynthetic resin layered productsWork periodSurface layer
A waterproof system coating-coiled material composite plane is provided. The composite plane comprises a coating waterproof layer, a coiled-material waterproof layer and a surface layer. The coating waterproof layer is disposed under the coiled-material waterproof layer. The surface layer is disposed on the coiled-material waterproof layer. The coating waterproof layer is CPC non-cured rubber waterproof coating. The coiled-material waterproof layer is a CPC nonasphaltic-base durable reactive type polymer self-adhesion waterproof coiled material. A constructing process of the composite plane includes cleaning a base, heating the CPC non-cured rubber waterproof coating, reinforcing nodes, snapping a line for positioning, paving the coiled material on trial, constructing the CPC non-cured rubber waterproof coating on a large area, paving the coiled material on a large area, connecting the coiled materials by overlapping, closing up, sealing, performing self-examination, checking and accepting. The composite plane and the process can be constructed directly on a moist concrete base layer, waterproof effects are good, and two layers for prevention can be achieved through one time of pavement, thus saving the cost, greatly shortening the work period and increasing the construction efficiency.
Owner:SHENZHEN LANDUN WATERPROOF ENG
Composite waterproof board and production technology thereof
InactiveCN102434177AEasy to fixPrevent water channelingUnderground chambersSynthetic resin layered productsGeotextileExtrusion moulding
The invention discloses a composite waterproof board and a production technology thereof. The composite waterproof board comprises a geotextile arranged on a surface of a waterproof board, wherein the geotextile and the waterproof board have a uniformly distributed and discontinuous adhesive part, the adhesive part is provided with a uniformly distributed and suspended fixed part; and the other surface is provided with a self-stick layer prepared through clading and a surface isolation membrane of the self-stick layer. The production technology comprises the following steps of: preparing raw materials, performing extrusion moulding; preheating and bonding; coating a self-stick rubber material and laminating; and rolling to obtain the finished product, wherein in the preheating and bonding step, a program is utilized to control a retractable compression roller to laminate the preheated waterproof board which is overlapped with the geotextile and form the discontinuous adhesive part. The adhesive part of the geotextile and the waterproof board is uniformly distributed, a uniform draining channel is reserved to meet the further drainage requirement; and the composite waterproof board can be embedded in the existing waterproof board production line, waterproof boards with different structures can be conveniently produced according to needs, preheating and bonding are performed continuously on the surface of the compression roller, the product has high quality and is more stable, and energy is saved.
Owner:SICHUAN WEIDUN JIANGXIN CONSTR CO LTD
Non-curing polyurethane waterproof coating and preparation method thereof
ActiveCN103923565BGood adhesionGrowth Intermediate ConnectivityPolyurea/polyurethane coatingsBituminous coatingsElastomerPolymer science
The invention relates to a non-curing polyurethane waterproof coating and a preparation method thereof, belonging to the technical field of polyurethane waterproof coating. It consists of the following raw materials in percentage by weight: prepolymer 13-20%, asphalt 30-65%, latent curing agent 1.0-1.5%, compatibilizer 3-15%, thermoplastic elastomer 2-9%, powder Sexual filler 0-30%, the prepolymer is a reaction composition of polyether and isocyanate. The core of the invention improves the material ratio and polymerization process of polyurethane, which overcomes the problems that hot-melt asphalt materials need to be heated by machines, etc. It is convenient for construction and has good fluidity. The waterproof layer without internal stress can also have good adhesion with the coiled material. It can be composited waterproof to form a waterproof layer that overcomes the cracking of the base layer and prevents puncture. The process is simple and can be quickly constructed. It needs maintenance and has fast work efficiency, which can become the development direction of building waterproofing in the future.
Owner:浙江鲁班建材科技股份有限公司
Graphene ultraviolet UV photo-curing white coating and preparation method thereof
InactiveCN107619616ARealize mechanical intelligent coatingImprove efficiencyAnti-corrosive paintsEpoxy resin coatingsTripropylene glycolUltraviolet lights
The invention discloses a graphene ultraviolet UV photo-curing white coating which comprises the following raw material components in parts by weight: 20-30 parts of UV cured organic silicon resin, 10-20 parts of UV cured bisphenol A epoxy acrylate resin, 5-10 parts of ethylene glycol dimethacrylate, 5-10 parts of tripropylene glycol diacrylate, 5-10 parts of 2,4,6-trimethylbenzoyl diphenyl phosphine oxide, 3-5 parts of 1-hydroxy-cyclohexyl phenyl ketone, 5-10 parts of a graphene oxide powder, 1-3 parts of a moistening dispersing agent, 1-3 parts of an ultraviolet absorber, 10-20 parts of aluminum oxide, 10-20 parts of titanium dioxide, 1-3 parts of an anti-mold antibacterial agent and 1-3 parts of fluorine aids. Under the action of ultraviolet light, the white coating can be instantaneously cured into a membrane, is good in stain and weather resistance, free of organic volatile matter, free of environment pollution and green and environmental-friendly, and can be applied to decorationplates of projects such as tunnels and indoor and outdoor engineering.
Owner:CHENGDU YOUPIN CHEM CO LTD
Radiator using double-sided high-efficient water-cooled spiral structure to improve efficiency
PendingCN108260331APrevent water channelingControl deformationCooling/ventilation/heating modificationsEngineeringElectronic component
Owner:HEFEI CAS ION MEDICAL & TECHNICAL DEVICES CO LTD
Full surrounding skin-type structure of underground waterproof engineering and construction method
PendingCN107083780AImprove performanceRealize full surroundProtective foundationStructure of the EarthEngineering
The invention relates to the technical field of waterproof construction, in particular to waterproof technologies of underground engineering such as subways, underground pipelines, tunnels, underground pipe corridors, underground garages and underground air defense facilities, and discloses a full surrounding skin-type structure of underground waterproof engineering and a construction method. The full surrounding skin-type structure of the underground waterproof engineering comprises a bottom layer, a top layer and a side face layer; the bottom layer, the top layer and the side face layer are surrounded to be whole and form a hollow structure; water-soluble non-curing coating layers and thin film reinforcing layers are arranged on the bottom layer, the top layer and the side face layer correspondingly; and the bottom water-soluble non-curing coating layer, the side face water-soluble non-curing coating layer and the top water-soluble non-curing coating layer form the integrated seamless connection full surrounding structure. According to the full surrounding skin-type structure of the underground waterproof engineering and the construction method, the defects that in the prior art, as for the underground waterproof engineering, whole failure or leakage in local joints are easy to occur are overcome.
Owner:JIANGYIN CHAMPION CHEM
Non-asphalt multifunctional waterproof coiled material laminated adhesive and application thereof, and non-asphalt multifunctional waterproof coiled material
ActiveCN105017983AEasy to layPrevent water channelingNon-macromolecular adhesive additivesFilm/foil adhesivesDefoaming AgentsActive carbon
The invention discloses a non-asphalt multifunctional waterproof coiled material laminated adhesive and an application thereof, and a non-asphalt multifunctional waterproof coiled material. The laminated adhesive is prepared from the following raw materials in parts by mass: 60-65 parts of a hot melt adhesive, 13-18 parts of active calcium carbonate, 2-5 parts of tackifying resin, 0.1-0.4 part of a coupling agent, and 0.3-1.5 parts of a defoaming agent. Provided is the application of the laminated adhesive in preparation of the non-asphalt multifunctional waterproof coiled material. The non-asphalt multifunctional waterproof coiled material is composed of a strong cross film, the laminated adhesive arranged on the strong cross film, and an isolation film arranged on the laminated adhesive. The waterproof coiled material has excellent performance.
Owner:广东禹能建材科技股份有限公司
Flushing control method and device for station of bottle washing machine
ActiveCN103272810BPrevent water channelingReduce consumptionHollow article cleaningProgramme control in sequence/logic controllersLow speedWater flow
Owner:GUANGZHOU TECH LONG PACKAGING MACHINERY CO LTD
TPO thermoplastic polyolefin polymer non-asphalt-based self-adhesive-film waterproof coiled material and preparation method thereof
ActiveCN113388336APhysically goodGood initial tear strengthRoof covering using flexible materialsFilm/foil adhesivesThermoplasticPolyester
The invention provides a TPO thermoplastic polyolefin polymer non-asphalt-based self-adhesive-film waterproof coiled material and a preparation method thereof. The waterproof coiled material comprises a polyester fabric tire base, a TPO thermoplastic polyolefin polymer base material and a non-asphalt-based self-adhesive glue according to a mass ratio of (15-20): (20-45): (20-45), wherein the TPO thermoplastic polyolefin polymer base material comprises polypropylene, ethylene propylene rubber, a light stabilizer, a flame retardant and an antioxidant, and a mass ratio of the polypropylene to the ethylene propylene rubber to the light stabilizer to the flame retardant to the antioxidant is (35-45): (55-65): (5-10): (6-8): (7-11); and the non-asphalt-based self-adhesive glue comprises styrene butadiene rubber, styrene butadiene rubber, a polyhydroxy polymer, a tackifier and an anti-ultraviolet agent, wherein a mass ratio of the styrene butadiene rubber to the styrene butadiene rubber to the polyhydroxy polymer to the tackifier to the anti-ultraviolet agent is (100-140): (80-100): (3-5): (10-14): (2-5). The waterproof coiled material is more stable in chemical performance and high in cohesiveness with post-poured concrete during construction.
Owner:广东禹能建材科技股份有限公司
Synchronous switch valve core with pressure stabilizing function
PendingCN111043356AExtended service lifePrevent water channelingTemperatue controlPressure relieving devices on sealing facesStream flowWater flow
The invention relates to the field of bathroom accessories. The invention particularly relates to a synchronous switch valve element with a pressure stabilizing function. The valve element comprises avalve element shell, a valve element base, a flow adjusting module and a balance hydraulic module. The flow adjusting module can cut off cold and hot water paths before water enters a pressure balancing module; a thermostatic valve core cannot be soaked by high-temperature water; the scale formation is prevented, the service life of the valve core is prolonged; meanwhile, the water flow can enterthe pressure balancing module only after passing through the flow adjusting module; cold and hot water channeling can be prevented, a one-way valve is not required to be mounted at a water inlet bentleg; a synchronous switch valve core part is optimally designed, a synchronous valve core is changed from a single switch capable of only adjusting the flow into a switch capable of adjusting the flow and synchronously opening and closing; meanwhile, the pressure in two channels can be balanced, and the change of the structure enables a product assembled with the valve core to be changed into a simple channel from a complex channel, so that the product does not need to be independently provided with a balance module part, the valve body is simple in structure, waterways are shortened, and thecost is reduced.
Owner:HUIDA SANITARY WARE
Waterproof construction process of comprehensive pipe rack
InactiveCN109183839ASolve the problem of short lifeImprove bondingArtificial islandsProtective foundationEngineeringBuilding construction
The invention provides a waterproof construction process of a comprehensive pipe rack. The process comprises following steps that a, 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area empty paving to form a first bottom plate waterproof layer, and a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to dry pasting paving on the first bottomplate waterproof layer in a joint staggering manner to form a second bottom plate waterproof layer; b, a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area wet paving to form a first side wall waterproof layer, and a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area dry pasting paving to form a second side wall waterproof layer; c, a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area wet paving to form a first top plate waterproof layer, and a 1.5 mm-thickness reactive bonded wet paving waterproof roll is subjected to large-area dry bonding paving to form a second top plate waterproof layer. The construction process is simple and convenient, the waterproof seal effect is good, costis saved, and the construction period is shortened.
Owner:CHINA MCC20 GRP CORP +1
Underground waterproof system and ground face, top face and vertical face construction method
PendingCN108086490AImprove waterproof performanceGood water stop effectBuilding insulationsStructural deformationSurface layer
The invention provides an underground waterproof system and a ground face, top face and vertical face construction method. The underground waterproof system comprises a structural layer and a waterproof layer. The waterproof layer is placed on the surface layer of the structural layer. The structural layer is provided with seams which are filled with a caulk compound and attached and sealed through the caulk compound. The waterproof layer comprises a waterproof coating layer and a waterproof coiled material layer. The caulk compound in the structural layer is attached to the waterproof coatinglayer which is attached to the waterproof coiled material layer. Construction seams and settlement seams are attached and sealed through the caulk compound. After connection is conducted through thecaulk compound, a flexible and rigid combined structure is formed in the structural layer, a good waterproof and water-stop effect can be achieved, and the effect of resisting various structural deformation and tensile force is also achieved.
Owner:中联天盛建材集团有限公司
Production technology of waterproof and heat-insulated integrated board
ActiveCN102806745AHigh bonding strengthAvoid chemical reactionsLaminationLamination apparatusChemical reactionPlasticizer
The invention discloses a production technology of a waterproof and heat-insulated integrated board. The production technology comprises the following steps of: firstly, compositing an enhanced isolating material at one side of a waterproof roll; pre-heating the waterproof roll composited with the enhanced isolating material by a pre-heating device; compositing an heat-insulated material at one side of the waterproof roll composited with the enhanced isolating material after pre-heating; and finally, covering another pre-heated waterproof roll on the surface of the heat-insulated material. By providing the enhanced isolating material at one side of the waterproof roll, not only can the bonding strength between the enhanced isolating material and the waterproof roll be enhanced, but also the waterproof roll and the heat-insulated material can be effectively isolated; the condition that the waterproof roll is contacted with the heat-insulated material for a long time to cause chemical reaction can be avoided; a plasticizer inside the roll is prevented from migrating; the quality of the product is ensured; a procedure of pre-heating the waterproof roll is added before the waterproof roll and the heat-insulated material are composited; and the phenomenon that a waterproof layer and an insulating layer are stripped after the board is molded can be avoided, and the performance and quality of the board are further improved.
Owner:SHENZHEN ZHUOBAO TECH
A production process of waterproof and thermal insulation integrated board
ActiveCN102806745BHigh bonding strengthAvoid chemical reactionsLaminationLamination apparatusChemical reactionPlasticizer
Owner:SHENZHEN ZHUOBAO TECH
Auto-adhesive auto-drainage waterproof coiled material
InactiveCN106042487AEasy constructionHas a drainage effectPaper/cardboard layered productsNatural mineral layered productsInsulation layerWater leakage
The invention belongs to the field of waterproof coiled material devices and particularly provides an auto-adhesive auto-drainage waterproof coiled material which includes a high-molecular sheet material. The middle part of the lower end of the high-molecular sheet material is a fabric reinforced layer. An auto-adhesive glue layer and an insulation layer are successively connected to the lower end of the sheet material. A plurality of dense grooves are formed in the high-molecular sheet material. The auto-adhesive auto-drainage waterproof coiled material includes two types; one is the auto-adhesive auto-drainage waterproof coiled material with the fabric reinforced layer, while the other one is the auto-adhesive auto-drainage waterproof coiled material without the fabric reinforced layer. The waterproof coiled material is convenient to construct, has drainage function and integrates both waterproof and drainage functions. The auto-adhesive glue can effectively avoid water seepage and reduces water leakage. The coiled material can reduce comprehensive cost of engineering, reduces construction period, reduces repair rate, greatly reduces labor intensity, saves use quantity of building materials, such as cement, water drainage boards and the like, and avoids waste due to engineering construction and production.
Owner:郇长璐
Restoration device and method thereof for breaking of waterproof structure of deformation joint of underground pipe rack
PendingCN108560592AReduce damageEasy to installArtificial islandsProtective foundationRound barEngineering
The invention discloses a restoration device for breaking of a waterproof structure of a deformation joint of an underground pipe rack. The restoration device comprises a first water stop device and asecond water stop device, wherein the first water stop device is positioned in the middle part of the deformation joint; the second water stop device is positioned at the outer edge, near the insidewall of an underground pipe rack, of the deformation joint; the first water stop device comprises a wing tooth-shaped rubber water stop strip and a tightening round bar, and the tightening round bar is accommodated into the wing tooth-shaped rubber water stop strip; the second water stop device comprises a deep U-shaped rubber water stop band and an expansion bolt, and the expansion bolt is used for fixing the deep U-shaped rubber water stop band at the outer edge of the deformation joint; both sides of the outer edge of the deformation joint are cut, and form a Y-shaped opening together withthe deformation joint; both sides of the deep U-shaped rubber water stop band are fixedly arranged on the concrete base surfaces of the two side walls of the Y-shaped opening; the middle part of the deep U-shaped rubber water stop band is accommodated into the deformation joint. The restoration device for the breaking of the waterproof structure of the deformation joint of the underground pipe rack has the advantages that the problems of water permeating and sand surging of the underground pipe rack can be quickly and efficiently solved, and the functionality and integrity of the waterproof structure are restored.
Owner:中冶武汉冶金建筑研究院有限公司
Cross-linked self-adhesive glue type polymer waterproof roll and preparation method thereof
InactiveCN107974213AImprove ductilityAdaptableMineral oil hydrocarbon copolymer adhesivesNon-macromolecular adhesive additivesCross-linkPolymer science
The invention discloses a cross-linked self-adhesive glue type polymer waterproof roll which comprises a polymer film and a self-adhesive glue film coating the polymer film, wherein the self-adhesiveglue film is prepared from the following components in parts by mass: 60-70 parts of acrylate pressure-sensitive adhesive, 10-20 parts of carboxylated styrene butadiene rubber, 2-4 parts of naphthenicacid, 5-7 parts of aromatic hydrocarbon resin, 2-3 parts of sulfonate, 2-5 parts of polycarboxylic acid, 1-2 parts of catalytic promoter and 0.5-1 part of antioxidant. A preparation method comprisesthe following steps: putting the acrylate pressure-sensitive adhesive, the naphthenic acid and the aromatic hydrocarbon resin in a reaction tank, and heating to 180 DEG C; adding the carboxylated styrene butadiene rubber, and stirring for 2h; heating to 190 DEG C; adding the sulfonate and the polycarboxylic acid, and stirring for 0.5h; cooling to 150 DEG C; adding the catalytic promoter and the antioxidant, and stirring for 1h; applying an obtained product at 120-130 DEG C to a bimodal high density polyethylene film with a thickness of 1.0-2.0mm and compacting while covering with a silicone oil isolation film, and cooling to obtain the cross-linked self-adhesive glue type polymer waterproof roll. The waterproof roll disclosed by the invention quickly reacts with cement slurry within shorttime in a low-temperature environment and is firmly bonded as a whole to form a waterproof material with the same life as concrete.
Owner:四川杨氏达防水材料有限公司
Composite waterproof structure and preparation method thereof
ActiveCN108859344ANo delaminationStrong chemical bondSynthetic resin layered productsLaminationPolymer modifiedSurface layer
The invention discloses a composite waterproof structure and a preparation method thereof, and belongs to the field of building waterproof materials. The composite waterproof structure is prepared from a waterproof coil layer, a reaction type macromolecular elastic coating layer and a waterproof base layer in turn from top to bottom, wherein the waterproof coil layer is prepared from an upper surface layer and a self-sticking material layer in turn from top to bottom; the self-sticking layer is self-sticking polymer modified asphalt. According to the composite waterproof structure and the preparation method thereof disclosed by the invention, separation between the coating and the coil is avoided, and the waterproof effect is perfect.
Owner:四川省威盾新材料有限公司
Deep and shallow pit combined supporting structure with water resistance function and construction method thereof
PendingCN107386298AEnsure safetyEasy to closeProtective foundationExcavationsCivil/structural engineersStructure support
The invention belongs to the field of foundation pit supporting structures, and particularly discloses a deep and shallow pit combined supporting structure with a water resistance function. The deep and shallow pit combined supporting structure with the water resistance function comprises a shallow foundation pit structure and a deep foundation pit structure. The shallow foundation pit structure comprises a shallow foundation pit base and a foundation slab, wherein the shallow foundation pit base is horizontally arranged, and the foundation slab is arranged above the shallow foundation pit base. A water-blocking sunken pool is formed in the side, facing the foundation slab, of the shallow foundation pit base. The upper end of the deep foundation pit structure is connected with one end of the foundation slab and abuts against the side face of the shallow foundation pit base. The deep foundation pit structure comprises a diaphragm wall and a deep foundation pit side wall, wherein the diaphragm wall and the deep foundation pit side wall are vertically arranged. One side of the diaphragm wall is attached to the deep foundation pit side wall, the other side of the diaphragm wall is attached to the side face of the shallow foundation pit base, and a water-resisting blocking groove is formed in the side, attached to the deep foundation pit side wall, of the diaphragm wall. The invention further provides a construction method corresponding to the deep and shallow pit combined supporting structure with the water resistance function. The deep and shallow pit combined supporting structure with the water resistance function and the construction method guarantee the foundation pit safety and the durability of structural engineering, and have the advantages of being convenient and fast to construct, economical, practical, high in water resistance and seepage resistance and the like.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
Pre-laid self-adhesive film coiled material composite waterproof sheet as well as preparation method and application thereof
ActiveCN113787793AImprove aging resistanceNo reduction in peel strengthSynthetic resin layered productsCopolymerHigh-density polyethylene
The invention relates to the field of waterproof materials, in particular to a pre-laid self-adhesive film coiled material composite waterproof sheet and a preparation method and application thereof.The composite waterproof sheet comprises a composite layer and a high-density polyethylene layer which are arranged in a stacked mode, and the material for forming the composite layer is a vinyl polar copolymer; and the high-density polyethylene layer is made of high-density polyethylene. The pre-laid self-adhesive film coiled material composite waterproof sheet provided by the invention has excellent aging resistance, peel strength and puncture resistance, and meanwhile, the preparation method is simple, pollution-free and environment-friendly.
Owner:KESHUN WATERPROOF TECH CO LTD
Self-adhesive waterproof roll with electromagnetic shielding function and preparation method of self-adhesive waterproof roll with electromagnetic shielding function
PendingCN108728002AImprove peel bond strengthImprove electromagnetic shielding functionNon-macromolecular adhesive additivesMacromolecular adhesive additivesEngineeringElectromagnetic shielding
The invention discloses a self-adhesive waterproof roll with an electromagnetic shielding function. The self-adhesive waterproof roll comprises an isolation layer, a butyl pressure-sensitive self-adhesive layer, a matrix layer, a butyl pressure-sensitive self-adhesive layer and an isolation layer in sequential lamination. Each butyl pressure-sensitive self-adhesive layer is prepared from, by weight, 5-30 parts of butyl rubber, 5-40 parts of a tackifier, 10-60 parts of a plasticizer, 10-40 parts of nano conductive filler, 10-50 parts of a reinforcing agent, 1-10 parts of a nano activating agent, 0.5-5 parts of a chemical coupling agent, 1-5 parts of an antioxidant and 1-5 parts of a light stabilizer. The self-adhesive waterproof roll with the electromagnetic shielding function is excellentin water resistance, aging resistance and shielding effectiveness, hot melting construction and asphalt smoke are avoided, and harms to human bodies and environments are avoided.
Owner:鞍山科顺建筑材料有限公司
Underground building water-proof structure with fabricated temporary protective wall, construction method and building
The invention belongs to the field of water-proof technical devices of underground building corners and particularly relates to an underground building water-proof structure with a fabricated temporary protective wall, a construction method and a building. The underground building water-proof structure comprises a cushion layer used for protecting a structural base plate and laid on a ground foundation; the border of the cushion layer is provided with a border guide wall, and the border guide wall is provided with the temporary protective wall which is used for supporting pouring of concrete and dismantled after pouring is completed; internal corners used for surrounding the underground building corner are constituted through matching of the cushion layer and the border guide wall, and elastic water-proof felts are installed in the internal corners; the cushion layer is covered with one ends, used for paving, of the elastic water-proof felts, and the other ends of the elastic water-proof felts extend between the border guide wall and the temporary protective wall and are fixed to the upper surface of the border guide wall; a structural wall is installed on the upper side of the cushion layer, and the structural wall comprises the structural base plate installed on the upper sides of the elastic water-proof felts and structural side walls installed on the inner side of the temporary protective wall; and the structural base plate and the structural side walls are connected into a whole, and connecting external corners of the structural side walls and the structural base plate correspond to the internal corners where the cushion layer and the border guide wall are connected.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF ENG
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