CN111894044A - Waterproof structure of coating film and low-surface-energy lap joint, construction method and application thereof - Google Patents
Waterproof structure of coating film and low-surface-energy lap joint, construction method and application thereof Download PDFInfo
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- CN111894044A CN111894044A CN202010772772.2A CN202010772772A CN111894044A CN 111894044 A CN111894044 A CN 111894044A CN 202010772772 A CN202010772772 A CN 202010772772A CN 111894044 A CN111894044 A CN 111894044A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
Abstract
The invention provides a waterproof structure of a film and a low-surface-energy lap joint node, a construction method and application thereof, and relates to the technical field of waterproofing. The invention provides a waterproof structure of a film and a low surface energy lap joint, which comprises a high-molecular waterproof coiled material, a waterproof coating layer and a self-adhesive high-molecular waterproof transition film; the high-molecular waterproof coiled material and the waterproof coating layer are overlapped and bonded through a self-adhesive high-molecular waterproof transitional film; the self-adhesive sticky macromolecule waterproof transition film comprises a self-adhesive surface layer, an elastomer layer and a sticky surface layer which are sequentially laminated; the macromolecule waterproof coiled material is lapped on the self-adhesive surface layer, and the waterproof coating layer is lapped on the adhesive surface layer. In the self-adhesive sticky macromolecule waterproof transition film adopted by the invention, the adhesive property of the self-adhesive surface layer to the macromolecule waterproof coiled material is good; the sticky surface layer can be well stuck by the waterproof coating; the high-molecular waterproof coiled material and the waterproof coating layer are firmly lapped through the self-adhesive high-molecular waterproof transitional film, the waterproof durability is excellent, and the service life is long.
Description
Technical Field
The invention relates to the technical field of waterproofing, in particular to a waterproof structure of a coating and a low surface energy lap joint node and a construction method and application thereof.
Background
In many waterproof projects, such as pipe corridors, submarine tunnels, lakes, rivers, ponds and tunnels and the like, the bottom plate adopts a high-molecular waterproof coiled material, the top surface and the side vertical surfaces adopt coatings such as waterproof coatings of polyurea, polyurethane-urea, polyurethane, single-component polyurea, polyaspartic urea, polyurethane and the like, and are lapped with the high-molecular coiled material on the upstream surface, but the waterproof coatings are difficult to bond the high-molecular coiled material with low surface energy, even if the lapping width of the coatings and the waterproof coiled material is increased, or the high-molecular coiled material at the lapping part is firstly polished and roughened, or a base layer treating agent is adopted to carry out surface treatment on the high-molecular coiled material, or both polishing and the base layer treating agent are adopted to carry out surface treatment on the high-molecular coiled material at the lapping part, the waterproof effect is better in a short time, but along with the combined action of sedimentation, vibration, thermal expansion and cold, the joint is often because the bonding is not firm and leads to the waterproof failure of node, and the durability is very short, the service life is short.
Disclosure of Invention
In view of the above, the invention aims to provide a waterproof structure of a coating film and a low surface energy lap joint, a construction method and an application thereof, the self-adhesive sticky macromolecule waterproof transition film material provided by the invention has a self-adhesive surface and a sticky surface, the self-adhesive surface is adopted for a macromolecule coiled material, the sticky surface layer which can be adhered by waterproof paint is adopted for one side of the waterproof paint, and the middle body is an elastomer of an adhesive tape; the waterproof and durable performance of the structure with the structure is excellent, and the service life is long.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a waterproof structure of a film and a low surface energy lap joint, which comprises a high-molecular waterproof coiled material, a waterproof coating layer and a self-adhesive high-molecular waterproof transition film; the high-molecular waterproof coiled material and the waterproof coating layer are overlapped and bonded through a self-adhesive high-molecular waterproof transitional film;
the self-adhesive sticky macromolecule waterproof transition film comprises a self-adhesive surface layer, an elastomer layer and a sticky surface layer which are sequentially laminated from inside to outside;
the macromolecule waterproof coiled material is lapped on the self-adhesive surface layer, and the waterproof coating layer is lapped on the adhesive surface layer.
Preferably, the width of the self-adhesive high-molecular waterproof transition film is 0.005-1 m.
Preferably, the thickness of the self-adhesive sticky macromolecule waterproof transition film is 0.5-10 mm
Preferably, the self-adhesive surface layer is pressure-sensitive adhesive.
Preferably, the bondable facing layer comprises a nonwoven fabric, a woven fabric, a rock, gravel, polyurethane, polyacrylate, polyurethane acrylate, or modified polyurethane.
Preferably, the coating of the waterproof coating layer includes a polyurethane waterproof coating, a polyurethane-urea waterproof coating, a spray polyurea waterproof coating, a single-component polyurea waterproof coating, a polyaspartic acid urea waterproof coating, a cyanogen coagulation waterproof coating, a polyacrylate waterproof coating, a chlorosulfonated waterproof coating, a methyl methacrylate waterproof coating, a spray quick-setting waterproof coating, a modified asphalt waterproof coating, a polymer cement waterproof coating, a polyacrylate waterproof coating, a styrene-butadiene-styrene block copolymer modified asphalt waterproof coating, a rubber asphalt waterproof coating, a chloroprene rubber asphalt waterproof coating, or a silicone rubber waterproof coating.
Preferably, the polymer waterproof roll comprises a polyolefin waterproof roll, a polyvinyl chloride waterproof roll, an ethylene propylene diene monomer waterproof roll, a polyethylene polypropylene waterproof roll, an ethylene-vinyl acetate copolymer waterproof roll, a polymer strong cross membrane, a rock-free styrene-butadiene-styrene block copolymer waterproof roll, a self-adhesive asphalt waterproof roll, a chlorinated polyethylene rubber blending waterproof roll, a butadiene diene monomer waterproof roll, a butadiene terpolymer waterproof roll, a high-density polyethylene waterproof geomembrane or a chlorosulfonated polyethylene waterproof roll.
The invention provides a construction method of a waterproof structure of a coating and a low surface energy lap joint node in the technical scheme, which comprises the following steps:
fixing the high-molecular waterproof coiled material on part of the surface of the base material to form a high-molecular waterproof coiled material layer;
and overlapping and bonding the self-adhesive surface layer of the self-adhesive high-molecular waterproof transition membrane on the edge of the high-molecular waterproof roll material layer and extending to the surface of the base material, coating the waterproof coating on the surface of the adhesive surface layer of the self-adhesive high-molecular waterproof transition membrane and extending to the rest surface of the base material, and then curing to form a waterproof coating layer, thereby obtaining the waterproof structure of the coating and the low-surface-energy lap joint.
Preferably, the waterproof coating further comprises a base layer treating agent or adhesive coated on the surface of the adhesive surface layer before coating.
The invention also provides an application of the coating and the low surface energy lap joint waterproof structure in the technical scheme or the coating and the low surface energy lap joint waterproof structure obtained by the construction method in the technical scheme in waterproof engineering.
The invention provides a waterproof structure of a film and a low surface energy lap joint, which comprises a high-molecular waterproof coiled material, a waterproof coating layer and a self-adhesive high-molecular waterproof transition film; the high-molecular waterproof coiled material and the waterproof coating layer are overlapped and bonded through a self-adhesive high-molecular waterproof transitional film; the macromolecule waterproof coiled material is lapped on the surface of the self-adhesive surface layer of the self-adhesive sticky macromolecule waterproof transition membrane, and the waterproof coating layer is lapped on the surface of the sticky surface layer of the self-adhesive sticky macromolecule waterproof transition membrane. In the self-adhesive sticky macromolecule waterproof transition film adopted by the invention, the elastic body layer has good flexibility and is not easy to break in the lapping process; the self-adhesive surface layer has good adhesive property with the low-surface-energy polymer waterproof roll; the surface of the sticky surface layer can be well stuck with the waterproof coating; therefore, the two surfaces of the self-adhesive high-molecular waterproof transition film are firmly adhered with the waterproof coating layer and the high-molecular waterproof coiled material respectively, the waterproof performance of the node is not easily affected due to the infirm adhesion, and the waterproof structure of the coating film and the low-surface-energy lap joint provided by the invention has excellent waterproof durability and long service life.
The construction method of the waterproof structure of the coating and the low-surface-energy lap joint provided by the invention is simple to operate and is suitable for industrial production operation.
Drawings
Fig. 1 is a schematic view of a self-adhesive sticky macromolecule waterproof transition membrane, wherein 1 is a self-adhesive surface layer, 2 is an elastomer layer, 3 is a sticky surface layer, and 4 is an isolation membrane;
fig. 2 is a schematic view of a waterproof structure of a coating film and a low surface energy lap joint, wherein 5 is a base material, 6 is a high-molecular waterproof roll, 7 is a waterproof coating layer, and 8 is a self-adhesive high-molecular waterproof transition film.
Detailed Description
In the invention, the structural schematic diagram of the self-adhesive sticky macromolecule waterproof transition film is shown in fig. 1, and the structural schematic diagram of the waterproof structure of the coating film and the low surface energy lap joint is shown in fig. 2.
The invention provides a waterproof structure of a film and a low surface energy lap joint, which comprises a high-molecular waterproof coiled material 6, a waterproof coating layer 7 and a self-adhesive high-molecular waterproof transition film 8; the polymer waterproof coiled material 6 and the waterproof coating layer 7 are overlapped and bonded through a self-adhesive polymer waterproof transition film 8;
the self-adhesive sticky macromolecule waterproof transitional film 8 comprises a self-adhesive surface layer 1, an elastomer layer 2 and a sticky surface layer 3 which are sequentially laminated from inside to outside;
the macromolecule waterproof coiled material 6 is lapped on the self-adhesive surface layer 1, and the waterproof coating layer 7 is lapped on the adhesive surface layer 3.
In the present invention, all the raw material components are commercially available products well known to those skilled in the art unless otherwise specified.
In the present invention, the self-adhesive surface layer is preferably a pressure-sensitive adhesive. The type of the pressure-sensitive adhesive is not particularly limited, and the pressure-sensitive adhesive known to those skilled in the art may be used, specifically, one or more of polyacrylate pressure-sensitive adhesive, polyurethane pressure-sensitive adhesive, petroleum resin pressure-sensitive adhesive, asphalt-based pressure-sensitive adhesive, polybutyl pressure-sensitive adhesive, polyisobutyl pressure-sensitive adhesive, other hydrocarbon pressure-sensitive adhesive, chloroprene rubber pressure-sensitive adhesive or natural adhesive pressure-sensitive adhesive, or a modified pressure-sensitive adhesive of the above pressure-sensitive adhesive. The thickness of the self-adhesive surface layer is not particularly limited, and the high-molecular waterproof roll can be firmly bonded, specifically 0.05-5.0 mm, and more preferably 0.10-1.0 mm.
In the present invention, the outer surface of the self-adhesive surface layer is preferably further covered with a release film 4. In the present invention, the release film preferably includes a release paper containing a protective wax, other hydrocarbon resin, silicone oil, or silicone resin; the other hydrocarbon resin preferably includes waste oil or engine oil; the isolating film has the function of preventing the self-adhesive sticky macromolecule waterproof transition film from being isolated in the packaging and transportation processes and not being adhered together. In the invention, the self-adhesive sticky macromolecule waterproof transition film is used for tearing off the isolating film.
In the present invention, the elastomer preferably includes a high molecular rubber or a high molecular thermoplastic elastomer. The kind of the elastomer used in the present invention is not particularly limited, and elastomers known to those skilled in the art may be used. In the present invention, the elastomer layer has good flexibility and is not easily broken in use.
In the present invention, the bondable facing layer preferably comprises a nonwoven fabric, a woven fabric, a rock, gravel, polyurethane, polyacrylate, polyurethane acrylate, or modified polyurethane; the modified polyurethane preferably includes acrylic modified polyurethane, silane modified polyurethane or polysulfide modified polyurethane. In the invention, the coating amount of the non-woven fabric and the woven fabric is preferably 10-600 g/m independently2More preferably 50 to 500g/m2Most preferably 90 to 200g/m2(ii) a The loading capacity of the rock slices and the sand grains is preferably 100-4000 g/m independently2More preferably 200 to 3000g/m2Most preferably 300 to 2000g/m2(ii) a The thicknesses of the polyurethane, the polyacrylate, the polyurethane acrylate and the modified polyurethane are independently preferably 0.05-3.0 mm, more preferably 0.05-2.0 mm, and most preferably 0.05-1.0 mm.
In the invention, the thickness of the self-adhesive sticky macromolecule waterproof transition film is preferably 0.5-10 mm, more preferably 1-5 mm, and most preferably 1.2-3 mm.
In the invention, a base layer treating agent, an interface agent or an adhesive is also arranged between the waterproof coating layer 7 and the adhesive surface layer 3; the base layer treating agent preferably comprises a polyurethane urea SJKR-1595 base layer treating agent; the interface agent preferably comprises an interface agent SJKR-7604; the adhesive layer of the present invention is not particularly limited, and an adhesive known to those skilled in the art may be used. In the invention, the base layer treating agent, the interface agent or the adhesive has certain strength and flexibility, the tensile strength is more than or equal to 4MPa, and the elongation at break is more than or equal to 50%. The purpose of adding the base layer treating agent, the interface agent or the adhesive is to increase the bonding property of the waterproof coating to a bondable surface, so that the waterproof lap joint has excellent bonding property and mechanical property matching property.
In the present invention, the polymer waterproof roll preferably includes a polyolefin waterproof roll, a polyvinyl chloride waterproof roll (PVC waterproof roll), an ethylene propylene diene monomer waterproof roll, a polyethylene polypropylene waterproof roll, an ethylene-vinyl acetate copolymer waterproof roll (EVA waterproof roll), a polymer strong cross membrane, a rock-free styrene-butadiene-styrene block copolymer waterproof roll (rock-free SBS waterproof roll), a self-adhesive asphalt waterproof roll, a chlorinated polyethylene rubber blended waterproof roll, a butadiene diene monomer waterproof roll, a butadiene styrene monomer waterproof roll, a high density polyethylene waterproof geomembrane (HDPE waterproof geomembrane) or a chlorosulfonated polyethylene waterproof roll. In the present invention, the polyolefin group waterproofing membrane preferably includes a thermoplastic polyolefin group waterproofing membrane or a polyethylene waterproofing membrane; the thermoplastic polyolefin waterproof roll preferably comprises a TPO roll and a polypropylene waterproof roll. In the invention, the thickness of the polymer waterproof coiled material is preferably 0.5-5 mm, more preferably 1-4 mm, and most preferably 1-3 mm.
In the present invention, the coating of the waterproof coating layer preferably includes a polyurethane waterproof coating, a polyurethane-urea waterproof coating, a spray polyurea waterproof coating, a one-component polyurea waterproof coating, a polyaspartic acid urea waterproof coating, a cyanogen coagulation waterproof coating, a polyacrylate waterproof coating, a chlorosulfonated waterproof coating, a methyl methacrylate waterproof coating (MMA waterproof coating), a spray quick-setting waterproof coating, a modified asphalt waterproof coating, a polymer cement waterproof coating (JS waterproof coating), a polyacrylate waterproof coating, a styrene-butadiene-styrene block copolymer modified asphalt waterproof coating (SBS modified asphalt waterproof coating), a rubber asphalt waterproof coating, a neoprene asphalt waterproof coating, or a silicone rubber waterproof coating. In the invention, the thickness of the polymer waterproof coiled material is preferably 1-5 mm, more preferably 1-4 mm, and most preferably 1.2-3.0 mm.
In the invention, the width of the self-adhesive sticky macromolecule waterproof transition film is preferably 0.005-1 m, more preferably 0.1-0.5 m, and most preferably 0.2-0.4 m. In the invention, the lapping width of the self-adhesive sticky macromolecule waterproof transition film and the macromolecule waterproof coiled material is preferably 0.005-1.0 m, and more preferably 0.1-0.3 m. In the invention, the lapping width of the self-adhesive high-molecular waterproof transition film and the waterproof coating is preferably 0.005-1.0 m, and more preferably 0.1-0.3 m.
The invention provides a construction method of a waterproof structure of a coating and a low surface energy lap joint node in the technical scheme, which comprises the following steps:
fixing the high-molecular waterproof coiled material on part of the surface of the base material to form a high-molecular waterproof coiled material layer;
and overlapping and bonding the self-adhesive surface layer of the self-adhesive high-molecular waterproof transition membrane on the edge of the high-molecular waterproof roll material layer and extending to the surface of the base material, coating the waterproof coating on the surface of the adhesive surface layer of the self-adhesive high-molecular waterproof transition membrane and extending to the rest surface of the base material, and then curing to form a waterproof coating layer, thereby obtaining the waterproof structure of the coating and the low-surface-energy lap joint.
The invention fixes the macromolecule waterproof coiled material on partial surface of the substrate to form the macromolecule waterproof coiled material layer.
In the present invention, the base material preferably includes a concrete base layer, a metal base layer, a wood base layer, a stone base layer, a brick base layer, or an artificial board base layer.
In the invention, the fixing method preferably comprises one or more of wet paving reverse adhesion, self adhesion, mortar fixation, adhesive bonding, hot melt fixation and mechanical nailing fixation.
In the invention, the area covered by the high-molecular waterproof roll material layer is preferably a waterproof area in which the coating is difficult to construct in the whole waterproof structure of the coating and the low-surface-energy lap joint, specifically, an underground bottom plate part or a bottom plate part plus an upturned part of a structural vertical wall roll material or other parts which are difficult to construct by adopting the waterproof coating; these parts are more convenient to construct than waterproof paint.
After the high-molecular waterproof roll layer is obtained, the self-adhesive surface layer of the self-adhesive high-molecular waterproof transitional film is overlapped and adhered to the edge of the high-molecular waterproof roll layer and extends to the surface of the base material, the waterproof coating is coated on the surface of the adhesive surface layer and extends to the rest surface of the base material, and then the waterproof coating is cured to form a waterproof coating layer, so that the waterproof structure of the coating film and the low-surface-energy overlapped node is obtained.
In the present invention, the lap bonds are preferably compression bonds. The invention has no special limitation on the pressure and time of compaction and bonding, and can firmly bond the edge of the macromolecular waterproof roll on the surface of the self-adhesive surface layer. In the present invention, the width of the edge is preferably 0.005 to 1.0m, and more preferably 0.1 to 0.5 m. In the invention, the width of the self-adhesive sticky macromolecule waterproof transition film extending to the surface of the base material is preferably 0-0.9 m, and more preferably 0.1-0.5 m, and in the invention, when the width of the self-adhesive sticky macromolecule waterproof transition film extending to the surface of the base material is preferably 0m, the self-adhesive sticky macromolecule waterproof transition film is completely overlapped and adhered to the edge of the macromolecule waterproof roll layer and aligned with the edge of the macromolecule waterproof roll layer; when the width of the self-adhesive high-molecular waterproof transition film extending to the surface of the base material is preferably not 0m, one part of the self-adhesive high-molecular waterproof transition film is overlapped and adhered to the edge of the high-molecular waterproof roll material layer, and the other part of the self-adhesive high-molecular waterproof transition film extends to the surface of the base material.
Before the waterproof coating is coated, the invention preferably also comprises a protective film covering the part of the surface covered by the high polymer waterproof roll material layer; the kind of the protective film preferably comprises a PE film, a BOPP film, a PET film, a PVC film or a paper film; the protective film has the functions of preventing the high-molecular waterproof coil layer from being polluted by waterproof paint, particularly spraying type waterproof paint, and simultaneously preventing the end which does not have substantial cohesiveness to the coil after the waterproof paint is cured from possibly having adverse effects such as tearing and the like on the waterproof performance of the lap joint.
Before the waterproof coating is coated, the invention preferably also comprises a base layer treating agent, an interfacial agent or an adhesive which is coated on the surface of the sticky surface layer, so that the bonding strength of the waterproof coating and the sticky surface layer is further improved.
In the present invention, the coating is preferably performed by hand coating or a combination of spray coating and hand coating; in the invention, the moving protective measures such as building a tent are well taken in the spraying process, so that the atomized waterproof coating is prevented from being dispersed into the air in the spraying process, and the spraying process is safe and environment-friendly.
In the present invention, the construction area of the waterproof coating material preferably includes a part having a better actual waterproof effect of the waterproof coating material, specifically, a part soaked in water for a long time or a waterproof part with a special-shaped surface.
In the present invention, the curing is preferably carried out by natural curing in air; the natural curing is preferably carried out under the conditions of rain and snow weather and strong wind of more than 4 grades, the natural curing temperature is preferably 5-40 ℃, and the relative humidity is preferably less than or equal to 95%. The time of the natural curing is not specially limited, and the waterproof coating can be completely cured.
The invention also provides an application of the coating and the low surface energy lap joint waterproof structure in the technical scheme or the coating and the low surface energy lap joint waterproof structure obtained by the construction method in the technical scheme in waterproof engineering.
In the present invention, the waterproofing work preferably includes a waterproofing work using a box structure. In the present invention, the waterproofing work using the tank structure preferably includes waterproofing of a submarine tunnel, waterproofing of a tunnel through a river and a lake bottom, waterproofing of a subway tunnel, waterproofing of an underground pipe gallery, waterproofing of a water delivery tunnel, waterproofing of a pool, waterproofing of a house, waterproofing of a ditch groove, waterproofing of civil engineering or waterproofing of a water conservancy dam.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The waterproof of submarine tunnel, cast-in-place reinforced concrete tunnel box, the tunnel width is 30m, highly is 9.8m, lays polymer waterproofing membrane HDPE to the box bottom plate and upturns to outside concrete facade 0.6m department, and 2 mm's polyurea waterproof coating is sprayed at tunnel outside top and outside facade, and side facade spraying polyurea waterproof coating department adopts the self-adhesion can glue the waterproof transitional membrane overlap joint of polymer overlap joint that the following structure is overturned with the HDPE position overlap joint that the side facade overturns to bond:
the self-adhesive macromolecule waterproof transition film comprises the following components: butyl pressure sensitive adhesive self-adhesive surface layer, butyl adhesive tape elastomer layer and embedded elastomer 110g/m2The polyester non-woven fabric can be adhered to a surface layer, and the width is 250 mm.
Coating and low surface energy lap joint waterproof construction: the coating comprises a concrete base surface, an epoxy primer SJKR-7011, a self-adhesive high-polymer waterproof transition film, a manual polyurea SJKR-7604 interface agent layer and a polyurea SJKR-909 layer which are sequentially laminated from inside to outside.
The operation process of node waterproofing is as follows:
laying HDPE waterproof coiled materials at the position of 0.6m of the height of the bottom plate and the outer vertical surface of the box body, pouring reinforced concrete structural plates on the bottom plate, erecting formwork on the vertical surface formwork, and pouring reinforced concrete vertical walls in the area formed by the HDPE waterproof coiled materials till reaching the top plate of the tunnel, wherein the top plate is made of reinforced concrete structural plates;
compacting a pressure-sensitive adhesive self-adhesive surface layer of the self-adhesive high-molecular waterproof transition film on the edge of the HDPE waterproof coiled material at the position of the outer vertical surface with the height of 0.6m and extending the HDPE waterproof coiled material to the surface of concrete, wherein the overlapping width of the edge of the HDPE waterproof coiled material is 150mm, and the self-adhesive width of the concrete surface is 100 mm;
covering a PE film on the surface of the HDPE waterproof coiled material below the self-adhesive high-molecular waterproof transition film to prevent the HDPE waterproof coiled material surface below from being polluted during the operation of waterproof paint, manually coating polyurea paint SJKR-7604 (Beijing Parkinson Cuco high-molecular material Co., Ltd.) on the surface of the polyester non-woven fabric adhesive surface layer of the self-adhesive high-molecular waterproof transition film and the surface of the concrete of which the outer vertical surface is not covered with the HDPE waterproof coiled material, curing the SJKR-7604 polyurea paint under the natural condition when the SJKR-7604 polyurea paint permeates into the non-woven fabric, and then spraying the two-component quick-setting polyurea waterproof paint SJKR-909 on the surface of the SJKR-7604, the concrete vertical surface of which the primer SJKR-7011 is pre-coated and the upper plane of the box body to form a polyurea waterproof paint layer with the thickness.
The waterproof effect of the coating film prepared by the embodiment and the waterproof structure of the low surface energy lap joint is good at the lap joint, and the long-term water soaking durability is more than 20 years.
Example 2
Municipal pipe gallery is waterproof
The self-adhesive high-molecular waterproof transition membrane structure is adopted: a butyl pressure sensitive adhesive self-adhesive surface layer, a butyl elastomer layer and a bondable sand grain layer embedded in the butyl adhesive tape (the diameter of sand grains is 0.5-1.2 mm, and the loading capacity is 1.2-1.5 kg/m2)。
Coating and low surface energy lap joint waterproof construction: the waterproof polyurethane coating comprises a concrete base surface, a primer SJKR-7011, a self-adhesive sticky high-polymer waterproof transition membrane structure, a polyurethane urea SJKR-1595 layer, an SJKR-7604 interface layer and a polyurea SJKR-909 layer which are sequentially laminated from inside to outside.
Laying TPO polyolefin waterproof coiled materials at the position where the height of the bottom plate and the outer vertical surface of the pipe gallery is 0.6m, mechanically fixing the edges by using pressing strips, erecting a formwork by using a template, and pouring mortar-reinforced concrete in an area formed by the TPO polyolefin waterproof coiled materials to a top plate of the pipe gallery;
compacting a butyl pressure-sensitive adhesive self-adhesive surface layer at the self-adhesive high-molecular waterproof transition membrane at the edge of the TPO polyolefin waterproof coiled material at the position of 0.6m of the outer vertical surface, and extending to the surface of the concrete coated with a primer SJKR-7011, wherein the overlapping width of the edge of the TPO polyolefin waterproof coiled material is 150mm, and the extending width of the concrete surface is 100 mm;
covering a PE film on the surface of a TPO polyolefin waterproof coiled material below the self-adhesive polymer waterproof transition film to prevent the TPO polyolefin waterproof coiled material from being polluted during the construction of waterproof paint, manually coating polyurethane urea SJKR-1595 base layer treatment paint (Beijing Sen polycocar high polymer materials Co., Ltd.) on the surface of the bondable sand layer of the self-adhesive polymer waterproof transition film, naturally curing to form good adhesive coverage on sand, manually coating SJKR7604 interface paint on the surface of the cured SJKR-1595, spraying SJKR-909 quick-setting polyurea after curing for 3 hours, spraying the quick-setting polyurea KR-909 on the vertical concrete and the top plate concrete coated with primer KR-7011 to form a polyurea waterproof paint layer with the thickness of 2mm, and obtaining a complete waterproof structure with paint films and low-surface-energy lap joint nodes.
The waterproof effect of the coating film prepared by the embodiment and the waterproof structure of the low surface energy lap joint is good at the lap joint, and the long-term water soaking durability is more than 20 years.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A waterproof structure of a coating film and a low surface energy lap joint node is characterized by comprising a high-molecular waterproof coiled material, a waterproof coating layer and a self-adhesive high-molecular waterproof transition film; the high-molecular waterproof coiled material and the waterproof coating layer are overlapped and bonded through a self-adhesive high-molecular waterproof transitional film;
the self-adhesive sticky macromolecule waterproof transition film comprises a self-adhesive surface layer, an elastomer layer and a sticky surface layer which are sequentially laminated from inside to outside;
the macromolecule waterproof coiled material is lapped on the self-adhesive surface layer, and the waterproof coating layer is lapped on the adhesive surface layer.
2. The waterproof structure of the coating film and the low surface energy lap joint node according to claim 1, wherein the width of the self-adhesive sticky macromolecule waterproof transition film is 0.005-1 m.
3. The waterproof structure of the coating film and the low surface energy lap joint node as claimed in claim 1 or 2, wherein the thickness of the self-adhesive sticky macromolecule waterproof transition film is 0.5-10 mm.
4. The waterproof structure of the coating film and the low surface energy lap joint node as claimed in claim 1 or 2, wherein the self-adhesive surface layer is a pressure-sensitive adhesive.
5. The waterproof structure of a coated film and a low surface energy lap joint node according to claim 1 or 2, wherein the bondable surface layer comprises a nonwoven fabric, a woven fabric, a rock, gravel, polyurethane, polyacrylate, polyurethane acrylate, or modified polyurethane.
6. The structure of claim 1 or 2, wherein the coating of the waterproof coating layer comprises a polyurethane waterproof coating, a polyurethane-urea waterproof coating, a spray polyurea waterproof coating, a one-component polyurea waterproof coating, a polyaspartic urea waterproof coating, a cyanamide waterproof coating, a polyacrylate waterproof coating, a chlorosulfonated waterproof coating, a methyl methacrylate waterproof coating, a spray quick-setting waterproof coating, a modified asphalt waterproof coating, a polymer cement waterproof coating, a polyacrylate waterproof coating, a styrene-butadiene-styrene block copolymer modified asphalt waterproof coating, a rubber asphalt waterproof coating, a neoprene asphalt waterproof coating, or a silicone rubber waterproof coating.
7. The waterproof structure of the coated film and low surface energy lapped joint as claimed in claim 1 or 2, wherein the high polymer waterproof roll comprises a polyolefin waterproof roll, a polyvinyl chloride waterproof roll, an ethylene propylene diene monomer waterproof roll, a polyethylene polypropylene waterproof roll, an ethylene-vinyl acetate copolymer waterproof roll, a high polymer strong cross film, a rock-free styrene-butadiene-styrene block copolymer waterproof roll, a self-adhesive asphalt waterproof roll, a chlorinated polyethylene rubber blended waterproof roll, a butadiene diene monomer waterproof roll, an ethylene butylene diene monomer waterproof roll, a high density polyethylene waterproof geomembrane or a chlorosulfonated polyethylene waterproof roll.
8. The method for constructing the coating film and the low surface energy lap joint waterproof structure according to any one of claims 1 to 7, characterized by comprising the steps of:
fixing the high-molecular waterproof coiled material on part of the surface of the base material to form a high-molecular waterproof coiled material layer;
and overlapping and bonding the self-adhesive surface layer of the self-adhesive high-molecular waterproof transition membrane on the edge of the high-molecular waterproof roll material layer and extending to the surface of the base material, coating the waterproof coating on the surface of the adhesive surface layer of the self-adhesive high-molecular waterproof transition membrane and extending to the rest surface of the base material, and then curing to form a waterproof coating layer, thereby obtaining the waterproof structure of the coating and the low-surface-energy lap joint.
9. The method of claim 8, wherein the water-repellent coating further comprises applying a primer or adhesive to the surface of the tacky top coat before the applying.
10. Use of the coating film according to any one of claims 1 to 7 and a low surface energy lap joint waterproof structure or the coating film obtained by the construction method according to any one of claims 8 to 9 and a low surface energy lap joint waterproof structure in waterproof engineering.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338350A (en) * | 2021-06-29 | 2021-09-03 | 中建八局第四建设有限公司 | Waterproof and coating material waterproof lap joint construction process for coiled material |
| CN114292558A (en) * | 2021-12-30 | 2022-04-08 | 广西青龙化学建材有限公司 | Maintenance-free acrylate spray film waterproof material with composite structure and preparation method thereof |
| CN116557005A (en) * | 2023-06-26 | 2023-08-08 | 山东大学 | Tunnel lining waterproof structure and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002364297A (en) * | 2001-06-11 | 2002-12-18 | Railway Technical Res Inst | Method for jointing between different kinds of waterproof materials |
| CN102002983A (en) * | 2010-10-19 | 2011-04-06 | 卢桂才 | Wet lay-up and edge-jointing construction method of single-sided adhesive wet lay-up waterproof coiled material |
| CN201817978U (en) * | 2010-08-31 | 2011-05-04 | 朱奎 | Lapping structure of composite flexible waterproof material |
| CN203867093U (en) * | 2014-05-21 | 2014-10-08 | 中国建筑土木建设有限公司 | Overlapping construction for polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material |
| CN209468360U (en) * | 2018-12-30 | 2019-10-08 | 江苏凯伦建材股份有限公司 | A kind of sand face adhesive polymer adhesive tape |
| CN110804401A (en) * | 2019-11-14 | 2020-02-18 | 湖南古圣砖瓦科技有限公司 | Self-adhesive waterproof coiled material |
-
2020
- 2020-08-04 CN CN202010772772.2A patent/CN111894044A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002364297A (en) * | 2001-06-11 | 2002-12-18 | Railway Technical Res Inst | Method for jointing between different kinds of waterproof materials |
| CN201817978U (en) * | 2010-08-31 | 2011-05-04 | 朱奎 | Lapping structure of composite flexible waterproof material |
| CN102002983A (en) * | 2010-10-19 | 2011-04-06 | 卢桂才 | Wet lay-up and edge-jointing construction method of single-sided adhesive wet lay-up waterproof coiled material |
| CN203867093U (en) * | 2014-05-21 | 2014-10-08 | 中国建筑土木建设有限公司 | Overlapping construction for polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material |
| CN209468360U (en) * | 2018-12-30 | 2019-10-08 | 江苏凯伦建材股份有限公司 | A kind of sand face adhesive polymer adhesive tape |
| CN110804401A (en) * | 2019-11-14 | 2020-02-18 | 湖南古圣砖瓦科技有限公司 | Self-adhesive waterproof coiled material |
Non-Patent Citations (2)
| Title |
|---|
| 张虽栓等: "《建筑材料》", 30 April 2018, 西安交通大学出版社 * |
| 温秉权: "《机械制造基础》", 31 January 2017, 北京理工大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338350A (en) * | 2021-06-29 | 2021-09-03 | 中建八局第四建设有限公司 | Waterproof and coating material waterproof lap joint construction process for coiled material |
| CN114292558A (en) * | 2021-12-30 | 2022-04-08 | 广西青龙化学建材有限公司 | Maintenance-free acrylate spray film waterproof material with composite structure and preparation method thereof |
| CN114292558B (en) * | 2021-12-30 | 2022-07-12 | 广西青龙化学建材有限公司 | Maintenance-free acrylate spray film waterproof material with composite structure and preparation method thereof |
| CN116557005A (en) * | 2023-06-26 | 2023-08-08 | 山东大学 | Tunnel lining waterproof structure and construction method |
| CN116557005B (en) * | 2023-06-26 | 2023-12-19 | 山东高速集团有限公司 | Tunnel lining waterproof structure and construction method |
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