CN113881359A - Waterproof coiled material and preparation method and construction method thereof - Google Patents

Waterproof coiled material and preparation method and construction method thereof Download PDF

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CN113881359A
CN113881359A CN202111166057.5A CN202111166057A CN113881359A CN 113881359 A CN113881359 A CN 113881359A CN 202111166057 A CN202111166057 A CN 202111166057A CN 113881359 A CN113881359 A CN 113881359A
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adhesive
layer
asphalt
self
sheet
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CN113881359B (en
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熊玉钦
王超群
陈楠
李凯
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Beijing Oriental Yuhong Waterproof Technology Co Ltd
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Beijing Oriental Yuhong Waterproof Technology Co Ltd
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    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/241—Polyolefin, e.g.rubber
    • C09J7/243—Ethylene or propylene polymers
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    • C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
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    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
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    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D11/381—Setting apparatus or devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
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Abstract

The invention belongs to the technical field of waterproofing, and relates to a waterproof coiled material, and a preparation method and a construction method thereof. The waterproof roll comprises a resin sheet layer, a non-asphalt-based high-molecular self-adhesive layer and an interface bonding layer which are sequentially arranged, wherein the light transmittance of the waterproof roll is more than or equal to 45%. The invention provides a visual waterproof coiled material, namely, light can penetrate through a coiled material perspective gasket, and when the light transmittance of the coiled material is larger than or equal to 45%, the visual waterproof coiled material has good visibility for orange, red and other warm color gaskets.

Description

Waterproof coiled material and preparation method and construction method thereof
Technical Field
The invention belongs to the technical field of waterproofing, and particularly relates to a waterproof coiled material, and a preparation method and a construction method of the waterproof coiled material.
Background
Since the construction of the tunnel by adopting a mine method or a new Austrian method, a method of arranging a waterproof layer between a sprayed concrete layer and a secondary lining is generally adopted to solve the waterproof problem of the composite lining. The waterproof layer is usually made of PVC, EVA, ECB, LDPE or other waterproof board. These conventional flashing surfaces are smooth and do not form an effective bite with the secondary concrete lining. Once the waterproof coiled material is damaged or welded insecurely, the phenomenon of water channeling occurs between the waterproof layer and the secondary lining concrete, and then the waterproof layer and the secondary lining concrete penetrate through concrete cracks and gaps to enter the inside of the tunnel.
In recent years, some tunnels adopt self-adhesive polymer waterproof rolls, and compared with a single-layer polymer waterproof board, the self-adhesive polymer waterproof rolls seem to have improved waterproof effect, but not. Binding steel bars after waterproof construction is finished, and tearing off an isolating film on the surface of a self-adhesive coiled material in a moving period of a trolley, wherein the coiled material is very easy to adhere to the body and clothes of an operator, and dust generated in processes of blasting dregs out of a tunnel and the like can be directly adsorbed on the surface of an adhesive film to form an isolating layer and lose the adhesive capacity with post-cast concrete; in some situations, the isolation film of the coiled material is not removed when the concrete is poured, so that the bonding effect with the concrete is completely lost, and the problem is the same as that of the traditional waterproof board. Once water leakage occurs, the leakage position is difficult to lock, so that subsequent leakage detection, repair and other work are very difficult.
Furthermore, the laying of waterproof panels or coils in tunnels requires the prior laying of gaskets to achieve their fixing with a lining concrete. The PE and EVA waterproof boards are laid in the tunnel by mainly adopting a gasket anchoring welding method, and the welding method is divided into hot air welding, ultrasonic welding and electromagnetic welding. In the current construction process, the coiled material needs to be fixed by welding from the back. Due to the large size of the coiled material, the construction process of welding from the back side of the coiled material is very complicated and time-consuming for the vault of the tunnel, and the technical requirements on operators are high. The electromagnetic welding can be supported to operate on the front surface of the coiled material so as to realize welding with the gasket, and the operation of workers is convenient. But the frontal operation requires that the flashing be transparent or translucent so that the gasket can be accurately located through the material. However, the existing pre-paved polymer self-adhesive film coiled materials sold in the market are all light color or even white, which does not meet the operation requirements. Especially when the existing whiteness values are greater than 65%, it is not possible to see the gasket under tunnel light conditions at all. The pre-paved waterproof material reported in related documents or patents does not mention light transmittance and visibility, and the focus of the pre-paved waterproof material is how to achieve isolation, reflection and anti-adhesion with post-cast concrete.
Therefore, no commercially available pre-laid product or relevant literature report exists at present, which can accurately position the gasket through the coiled material under the light environment of the tunnel so as to realize the welding and fixing of the coiled material and the gasket from the front side by an electromagnetic welding machine.
Disclosure of Invention
Through years of research in the technical field of water prevention, the inventor of the invention finds that the traditional waterproof board is replaced by the pre-paved anti-sticking macromolecule self-adhesive film waterproof coiled material, and the problem of water channeling between the waterproof layer and the secondary lining concrete can be effectively solved. The sheet material is further designed into a coiled material with certain transparency, the gasket can be accurately positioned through the coiled material, and the sheet material and the gasket are subjected to hot melting welding through electromagnetic welding, so that the problem of front construction fixation is solved. Based on this, the present invention has been completed.
The invention aims to overcome the problems in the prior art and provide a visual waterproof coiled material, namely, light can penetrate through a perspective gasket of the coiled material, and when the light transmittance of the coiled material is more than or equal to 45%, the visual waterproof coiled material has good visibility for warm gaskets such as orange and red gaskets.
In order to achieve the purpose, the invention provides a waterproof coiled material which comprises a resin sheet layer, a non-asphalt-based high-molecular self-adhesive layer and an interface bonding layer which are sequentially arranged, wherein the light transmittance of the waterproof coiled material is more than or equal to 45%, and preferably 60-70%; the thickness of the resin sheet layer is 0.2-2.0mm, and the light transmittance is more than or equal to 55%. The light transmittance of the coiled material in the optimal range can achieve the best performance and convenient construction.
On the premise of satisfying the above light transmittance, each layer preferably satisfies the condition that the thickness of the resin sheet layer is 0.5 to 1.5mm and the light transmittance thereof is not less than 70%. The thickness of the non-asphalt-based high molecular self-adhesive layer is 0.1-1.0mm, preferably 0.15-0.5mm, and the light transmittance is more than or equal to 80%, such as 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, preferably more than or equal to 90%, such as 91%, 92%, 93%, 94%, 95%. The coating weight of the interface bonding layer is 20-150g/m2The light transmittance is more than or equal to 55 percent. The thicknesses are all preferred, and on the premise of meeting the overall light transmittance, the thickness of the relevant components can be adjusted by a person skilled in the art according to application needs.
According to the present invention, preferably, the resin sheet layer is made of a polyolefin resin composition comprising the following components, based on the total weight of the polyolefin resin composition: 0.05-2 wt% of light stabilizer, 0.2-5 wt% of antioxidant, 0.05-2 wt% of ultraviolet absorbent and 95-99.7 wt% of polyolefin resin; more preferably, the polyolefin resin composition comprises the following components, based on the total weight of the polyolefin resin composition: 0.1-1 wt% of light stabilizer, 0.2-3 wt% of antioxidant, 0.5-1 wt% of ultraviolet absorbent and 95-99.2 wt% of polyolefin resin.
The polyolefin resin is selected widely, and can be at least one of polyethylene, vinyl copolymer, polypropylene, propylene-based copolymer, poly-1-butene, poly-4-methyl-1-pentene and cyclic olefin polymer; the vinyl copolymer is preferably an ethylene-vinyl acetate copolymer, an ethylene-acrylic acid or acrylate copolymer.
According to a preferred embodiment of the present invention, the polyolefin resin is polyethylene; preferably a mixture of a linear low density polyethylene resin and a medium high density polyethylene resin, the content of the linear low density polyethylene resin being 35 to 75% by weight and the content of the medium high density polyethylene resin being 25 to 65% by weight, based on the total weight of the polyolefin resin.
More preferably, the linear low density polyethylene resin has a density of 0.915 to 0.935g/cm3Preferably, the density is 0.920 to 0.935g/cm3(ii) a Melt index I2.16Is 0.1-8g/10min, preferably melt index I2.16Is 0.2-3g/10 min. The above linear low density polyethylene resins are commercially available, for example, under the trade names: LLDPE-7042 (zilu), trade mark: dowlex 2045G.
More preferably, the medium and high density polyethylene resin has a density of 0.938 to 0.968g/cm3Preferably, the density is 0.938 to 0.948g/cm3(ii) a Melt index I2.16Is 0.1-8g/10min, preferably melt index I2.16Is 0.2-3g/10 min. The above-mentioned medium-high density polyethylene resins are commercially available, for example, under the trade names: ENABLE 4009MC, brand: HDPE TR 144.
Since transportation, storage and construction are in a visible light environment and therefore require a short exposure period, the light stabilizer is preferably a hindered amine light stabilizer, more preferably at least one of bis (1,2,2,6, 6-pentamethyl-4-piperidyl) 2- (3, 5-di-tert-butyl-4-hydroxybenzyl) -2' -n-butylmalonate, bis (1,2,2,6, 6-pentamethyl-4-piperidyl) sebacate, tetrakis (2,2,6, 6-tetramethyl-4-piperidyl) -1,2,3, 4-butanetetracarboxylate.
The above light stabilizer is commercially available, and specifically, the light stabilizer may be at least one selected from the group consisting of UV-237, UV-531, UV-360, BASF light stabilizer UV783, BASF light stabilizer 2020(Chimassorb 2020), BASF light stabilizer 622SF, and BASF light stabilizer UV 791.
According to the invention, the antioxidant is preferably selected from pentaerythritol tetrakis (3, 5-di-tert-butyl-4-hydroxy) phenylpropionate and/or 1,3, 5-trimethyl-2, 4, 6-tris- (3, 5-di-tert-butyl-4-hydroxy-phenyl) benzene. The above antioxidants are commercially available, for example, Thanox B225, and Thanox 1010, available from Tianjin Rianlong New materials, Inc.
According to the invention, the UV absorber is preferably selected from hydroxyphenyltriazine UV absorbers, preferably from 2, 4-bis (2, 4-dimethylphenyl) -6- (2-hydroxy-4-n-octyloxyphenyl) -s-triazine, 2,4, 6-tris (2-hydroxy-4-hexyloxy-3-methylphenyl) -s-triazine, 2- [ 2-hydroxy-4- (2-ethylhexyloxy) phenyl ] -4, 6-biphenylyl-s-triazine, 2- [ [ 2-hydroxy-4- [1- (2-ethylhexyloxycarbonyl) ethoxy ] phenyl ] ] -4, at least one of 6-diphenyl-s-triazine; the benzotriazole ultraviolet absorbent is 2- (5-chloro-2H-benzotriazole-2-yl) -6-tert-butyl-4-methylphenol and/or 2- (5-chloro-2-benzotriazole-yl) -6-tert-butyl-p-cresol. Such UV absorbers are commercially available, for example, from Tinuvin 326 of Pasteur.
According to the present invention, the polyolefin resin composition preparation method comprises: adding the light stabilizer, the antioxidant, the ultraviolet absorbent and the polyolefin resin into a mixer in sequence for high-speed stirring for 10-15min, extruding the mixed materials by a single screw, and performing three-roller calendering, cooling, sizing and rolling, wherein the temperature of the extruder is set as follows: 190-.
In the present invention, the adhesive material of the non-asphalt-based polymer self-adhesive layer may be various non-asphalt-based polymer self-adhesive adhesives satisfying the above requirements, such as non-asphalt-based polymer self-adhesive pressure-sensitive adhesives, and specifically, one or more of EVA hot-melt pressure-sensitive adhesive, SIS hot-melt pressure-sensitive adhesive, butyl rubber-based adhesive, polyisobutylene-based adhesive, acrylic-based adhesive, ethylene-vinyl acetate copolymer adhesive, styrene-isoprene-styrene (SIS) -based adhesive, styrene-ethylene-butylene-styrene (SEBS) -based adhesive, styrene-butadiene-styrene (SBS) -based adhesive, and styrene-butadiene rubber (SBR) -based adhesive is preferred.
According to another embodiment of the invention, the material of the non-asphalt-based high molecular self-adhesive layer comprises a non-asphalt-based high molecular elastomer, naphthenic oil, tackifying resin, an ultraviolet absorbent and an antioxidant; preferably, the non-asphalt-based high polymer elastomer accounts for 30-48 wt%, the naphthenic oil accounts for 5-15 wt%, the tackifying resin accounts for 45-60 wt%, the ultraviolet absorbent accounts for 0.1-2 wt%, and the antioxidant accounts for 0.1-2 wt% of the total weight of the non-asphalt-based high polymer self-adhesive layer. The naphthenic oil, tackifying resin, ultraviolet absorber and antioxidant can all be conventional choices in the art.
According to the invention, the interface bonding layer is a coating layer, and preferably, the raw material of the interface bonding layer comprises the following components in percentage by mass:
Figure BDA0003291296920000051
Figure BDA0003291296920000061
the first filler is nano-scale inorganic particles selected from at least one of nano silicon dioxide, nano rutile titanium dioxide, nano zinc oxide, nano antimony-doped tin dioxide, nano aluminum oxide, nano zirconium oxide and nano calcium carbonate;
the second filler is at least one selected from barium sulfate, calcium carbonate, quartz powder, aluminum silicate, silicon micropowder and glass powder;
the emulsion is at least one of acrylic polymer emulsion, methacrylic polymer emulsion, acrylic acid-methacrylic acid copolymer emulsion, styrene-acrylic acid copolymer emulsion, pure acrylic emulsion, ethylene-vinyl acetate copolymer emulsion and polyvinyl acetate emulsion.
According to the present invention, the waterproof roll may include a barrier film layer disposed on the other side of the interfacial bonding layer, as necessary.
The single end or the double end of the waterproof coiled material is preferably provided with a welding edge or a self-adhesive overlapping edge. When the double-end self-adhesive lap edge is arranged, the arrangement mode of the upper surface, the lower surface or the upper surface and the lower surface of the double ends can be selected. The width and length of the welding or overlapping edge are not particularly limited in the present invention.
The invention also provides a preparation method of the waterproof roll, which comprises the following steps:
s1, melting, extruding, calendaring and forming a resin sheet layer raw material to obtain a resin sheet;
s2, coating the hot-melt non-asphalt-based high-polymer self-adhesive glue on one surface of a resin sheet to form a self-adhesive layer;
s3, uniformly coating the interface bonding layer raw material on the surface of the self-adhesive layer of the sheet obtained in the step S2, and drying to form the interface bonding layer. The obtained material is of a three-layer structure integrally and comprises a sheet layer, an adhesive layer and an interface bonding layer.
According to a specific embodiment of the invention, firstly, a resin sheet layer raw material is melted and extruded by a single-screw extruder, and the extruded high-temperature melt is calendered by a three-roller calender to reach a set thickness, so as to form a sheet; then unreeling the sheet material through an unreeling cylinder, conveying the unreeled sheet material to a position between a glue spreader and a compression roller through a guide roller, and coating the non-asphalt-based high polymer self-adhesive hot melt adhesive on the surface of the glue spreader onto one surface of the sheet material through the rotation of the glue spreader; and then, mixing the interface bonding layer slurry according to the formula, uniformly mixing, uniformly coating a proper amount of slurry on the semi-finished sheet coated with the glue, and drying the coating to obtain the waterproof roll.
The waterproof roll of the invention is very convenient for construction, and according to a specific embodiment, the construction method comprises the following steps: and (3) constructing by adopting a pre-paving and anti-sticking method, laying the coiled material and the base layer in a hollow way, directly binding reinforcing steel bars without applying a protective layer after laying, and then pouring structural concrete.
When the method is used for construction in a tunnel, the method can comprise the following steps: the construction is carried out by adopting a pre-paving reverse adhesion method, the coiled material is fixed on the concrete of the first lining through the gasket, a protective layer is not required to be applied after the laying is finished, the reinforcing steel bars are directly bound, then the structural concrete is poured, and the coiled material and the concrete of the second lining form full adhesion.
The shim, which is adapted to the application method, is preferably warm, for example orange or red.
The waterproof roll material has the following advantages:
1. pollution resistance, and neat and beautiful construction site. The conditions that the particle product falls off from a construction site and the welding of the lap joint edge is influenced do not exist. The waterproof coiled material has a perspective effect, can be better integrated with a concrete tunnel, and keeps the construction site neat and clean.
2. When the waterproof coiled material is laid, the gasket can be quickly positioned, the coiled material is fixed by adopting front operation, the construction speed is high, and compared with the welding and fixing from the back, the time can be saved by two thirds, so that the construction efficiency is greatly improved, and the technical requirements on operators are reduced.
3. Is convenient for maintenance. The coiled material can meet the primary waterproof requirement through single-channel fortification, and due to the arrangement of the interface binding layer, on one hand, after the laying is finished, a protective layer is not required to be applied, reinforcing steel bars are directly bound, and structural concrete is poured; on the other hand, the interface combination layer does not influence the full adhesion of the self-adhesive layer and the structural concrete, thereby really realizing a composite waterproof system, avoiding the occurrence of water leakage and water channeling to the maximum extent and reducing the maintenance and repair cost.
4. Compared with the self-adhesive waterproof board, the self-adhesive waterproof board can be used for the subsequent working procedures of the construction of people after the isolating film which is optionally arranged is torn, and people can walk on the self-adhesive waterproof board. The interface bonding layer can not change color and turn white when meeting water, and can not lose the isolation effect, and can still realize full adhesion with the concrete under the condition of blasting dust.
5. The waterproof coiled material can be bonded with concrete by more than 1.5N/mm, the water is firstly soaked and then the concrete is bonded by more than 1.5N/mm, the water is firstly bonded and then the concrete is soaked by more than 2.0N/mm, the double-lap joint edge welding can be carried out in a tunnel, and the light transmittance of the coiled material is not changed due to moisture absorption when the construction is carried out in a damp environment in the tunnel.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
Exemplary embodiments of the present invention will be described in more detail by referring to the accompanying drawings.
Figure 1 shows the visual observation of waterproofing rolls of different transparencies under tunnel lighting conditions on red gaskets. From top to bottom, the transparencies of the three coiled materials are respectively 40%, 45% and 65%, under the condition of tunnel light, the red gasket is seen by naked eyes through the coiled materials, and when the light transmittance is 40%, the position of the gasket cannot be identified at all; when the light transmittance is 45%, the position of the gasket can be judged, and the subsequent operation requirements can be met; when the light transmittance is 65%, the position of the pad is clearly visible.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein.
The test methods for the parameters in the following examples are as follows:
coating thickness testing method
1. Instrumentation and equipment
Optical microscope, cutting knife and steel ruler
2. Procedure for the preparation of the
Firstly, cutting a sheet into thin strips by a cutter: the length is 20 mm-30 mm, and the width is 2 mm-3 mm; the sample was then placed vertically on the stage of a microscope with the cross-section facing upward, photographed at a suitable magnification (typically around 50 times) and the coating thickness measured.
Secondly, a light transmittance testing method according to GB/T2410-2008
1. Instrumentation and equipment
Transmittance/haze measuring instrument (model: WGT-S), cut-off knife
Working environment conditions are as follows: (1) the ambient temperature is 5-35 ℃, and (2) the relative humidity is not more than 85%.
2. Procedure for the preparation of the
Cutting the sample into specified dimensions: 50mm is multiplied by 50 mm; starting a light transmittance tester (WGT-S) to preheat for 30min, then leveling and placing a sample on a sample rack of the tester and fixing, and placing a clamp to be close to an integrating sphere to test the incident direction of the positive light of the coating surface. Each sample is tested for 3 points, each time a group of samples are tested and blank is tested, and after the test is completed, the next group of samples are tested by pressing the test button. The results were averaged arithmetically.
And thirdly, testing the related performance of the sheet and the adhesive according to GB/T23457-2017.
The present invention is illustrated in more detail by the following examples.
1. Preparation of resin sheet:
mixing the light stabilizer, the antioxidant, the ultraviolet absorbent and the polyolefin resin, adding the mixture into a mixer, stirring at a high speed for 10-15min, extruding the mixed materials by a single screw, and setting the temperature of the extruder as follows: 190-. The polyolefin resin is a mixture of a linear low density polyethylene resin and a medium high density polyethylene resin.
And calendaring the extruded high-temperature melt by a three-roller calendar to reach a set thickness, and forming a sheet. The composition, thickness and light transmittance of the resin sheet layer are shown in table 1, wherein the contents of the linear low density polyethylene and the medium and high density polyethylene are based on the total weight of the polyolefin resin (i.e., the sum of both).
TABLE 1
Figure BDA0003291296920000101
2. Preparation of non-asphalt-based high-molecular self-adhesive layer
Unreeling the resin sheet prepared in the step 1 through an unreeling drum, conveying the unreeled sheet between a glue spreader and a press roller through a guide roller, rotating the glue spreader to apply hot melt adhesive on the surface of the glue spreader to one surface of the sheet to form a non-asphalt-based high polymer self-adhesive layer, wherein the components, the thickness and the light transmittance of the self-adhesive layer are shown in table 2.
TABLE 2
Figure BDA0003291296920000111
3. Preparation of interfacial bonding layer
And (3) mixing the slurry according to the following interface bonding layer formula, uniformly mixing, pouring a proper amount of slurry on the adhesive layer obtained in the step (2), uniformly coating, and waiting for the coating to be naturally dried to form the interface bonding layer. The composition, thickness and light transmittance of the interface bonding layer are shown in table 3, and the numbers in the table represent parts by weight. The first filler is nano silicon dioxide NANOPAL C750, the second filler is calcium carbonate OMYACARB 2T, and the emulsion is styrene-acrylic emulsion PRIMALTMAS-8000 and PrIMAL emulsionTM MC-76LO。
Figure BDA0003291296920000121
Figure BDA0003291296920000131
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (15)

1. The waterproof roll is characterized by comprising a resin sheet layer, a non-asphalt-based high-molecular self-adhesive layer and an interface bonding layer which are sequentially arranged, wherein the light transmittance of the waterproof roll is more than or equal to 45%, and preferably 60-70%; the thickness of the resin sheet layer is 0.2-2.0mm, and the light transmittance is more than or equal to 55%.
2. The waterproofing membrane according to claim 1, wherein the resin sheet layer has a thickness of 0.5 to 1.5mm and a light transmittance of 70% or more;
the thickness of the non-asphalt-based high-molecular self-adhesive layer is 0.1-1.0mm, preferably 0.15-0.5mm, and the light transmittance is more than or equal to 80%, preferably more than or equal to 90%;
the coating weight of the interface bonding layer is 20-150g/m2The light transmittance is more than or equal to 55 percent.
3. The waterproofing membrane according to claim 1, wherein the resin sheet layer is made of a polyolefin resin composition comprising the following components, based on the total weight of the polyolefin resin composition: 0.05-2 wt% of light stabilizer, 0.2-5 wt% of antioxidant, 0.05-2 wt% of ultraviolet absorbent and 95-99.7 wt% of polyolefin resin; preferably, the polyolefin resin composition comprises the following components, based on the total weight of the polyolefin resin composition: 0.1-1 wt% of light stabilizer, 0.2-3 wt% of antioxidant, 0.5-1 wt% of ultraviolet absorbent and 95-99.2 wt% of polyolefin resin.
4. The waterproof roll according to claim 3, wherein the polyolefin resin is at least one of polyethylene, ethylene-based copolymer, polypropylene, propylene-based copolymer, poly-1-butene, poly-4-methyl-1-pentene, cyclic olefin polymer; the vinyl copolymer is preferably an ethylene-vinyl acetate copolymer, an ethylene-acrylic acid or acrylate copolymer.
5. A sheet for waterproofing according to claim 4, wherein the polyolefin resin is polyethylene; preferably a mixture of a linear low density polyethylene resin and a medium high density polyethylene resin, the content of the linear low density polyethylene resin being 35 to 75% by weight and the content of the medium high density polyethylene resin being 25 to 65% by weight, based on the total weight of the polyolefin resin;
preferably, the linear low density polyethylene resin has a density of 0.915 to 0.935g/cm3Preferably, the density is 0.920 to 0.935g/cm3(ii) a Melt index I2.16Is 0.1-8g/10min, preferably melt index I2.16Is 0.2-3g/10 min;
preferably, the density of the medium and high density polyethylene resin is 0.938 to 0.968g/cm3Preferably, the density is 0.938 to 0.948g/cm3(ii) a Melt index I2.16Is 0.1-8g/10min, preferably melt index I2.16Is 0.2-3g/10 min.
6. The waterproofing membrane according to claim 3, wherein the light stabilizer is a hindered amine light stabilizer, preferably at least one of bis (1,2,2,6, 6-pentamethyl-4-piperidyl) 2- (3, 5-di-tert-butyl-4-hydroxybenzyl) -2' -n-butylmalonate, bis (1,2,2,6, 6-pentamethyl-4-piperidyl) sebacate, tetrakis (2,2,6, 6-tetramethyl-4-piperidyl) -1,2,3, 4-butanetetracarboxylate;
the antioxidant is selected from pentaerythritol tetrakis (3, 5-di-tert-butyl-4-hydroxy) phenylpropionate and/or 1,3, 5-trimethyl-2, 4, 6-tris- (3, 5-di-tert-butyl-4-hydroxy-phenyl) benzene;
the ultraviolet absorbent is selected from hydroxyphenyltriazine ultraviolet absorbent and/or benzotriazole ultraviolet absorbent, the hydroxyphenyltriazine ultraviolet absorbent is preferably 2, 4-bis (2, 4-dimethylphenyl) -6- (2-hydroxy-4-n-octyloxyphenyl) -s-triazine, 2,4, 6-tris (2-hydroxy-4-hexyloxy-3-methylphenyl) -s-triazine, 2- [ 2-hydroxy-4- (2-ethylhexyloxy) phenyl ] -4, 6-biphenylyl-s-triazine, 2- [ [ 2-hydroxy-4- [1- (2-ethylhexyloxycarbonyl) ethoxy ] phenyl ] ] -4, at least one of 6-diphenyl-s-triazine; the benzotriazole ultraviolet absorbent is 2- (5-chloro-2H-benzotriazole-2-yl) -6-tert-butyl-4-methylphenol and/or 2- (5-chloro-2-benzotriazole-yl) -6-tert-butyl-p-cresol.
7. The waterproof roll according to claim 1, wherein the material of the non-asphalt-based polymeric self-adhesive layer comprises a non-asphalt-based polymeric elastomer, naphthenic oil, tackifying resin, an ultraviolet absorber and an antioxidant; preferably, the non-asphalt-based high polymer elastomer accounts for 30-48 wt%, the naphthenic oil accounts for 5-15 wt%, the tackifying resin accounts for 45-60 wt%, the ultraviolet absorbent accounts for 0.1-2 wt%, and the antioxidant accounts for 0.1-2 wt% of the total weight of the non-asphalt-based high polymer self-adhesive layer.
8. The waterproofing membrane according to claim 1, wherein the material of the non-asphalt-based polymeric self-adhesive layer is a non-asphalt-based polymeric self-adhesive pressure-sensitive adhesive, and the non-asphalt-based polymeric self-adhesive pressure-sensitive adhesive is preferably one or more of an EVA hot melt pressure-sensitive adhesive, an SIS hot melt pressure-sensitive adhesive, a butyl rubber-based adhesive, a polyisobutylene-based adhesive, an acrylic-based adhesive, an ethylene-vinyl acetate copolymer adhesive, a styrene-isoprene-styrene-based adhesive, a styrene-ethylene-butylene-styrene-based adhesive, a styrene-butadiene-styrene-based adhesive, and a styrene-butadiene rubber-based adhesive.
9. The waterproofing membrane according to claim 1, wherein the raw material of the interfacial bonding layer comprises the following components in mass percent:
Figure FDA0003291296910000031
the first filler is nano-scale inorganic particles selected from at least one of nano silicon dioxide, nano rutile titanium dioxide, nano zinc oxide, nano antimony-doped tin dioxide, nano aluminum oxide, nano zirconium oxide and nano calcium carbonate;
the second filler is at least one selected from barium sulfate, calcium carbonate, quartz powder, aluminum silicate, silicon micropowder and glass powder;
the emulsion is at least one of acrylic polymer emulsion, methacrylic polymer emulsion, acrylic acid-methacrylic acid copolymer emulsion, styrene-acrylic acid copolymer emulsion, pure acrylic emulsion, ethylene-vinyl acetate copolymer emulsion and polyvinyl acetate emulsion.
10. A sheet for waterproofing according to any one of claims 1 to 9, wherein the sheet for waterproofing comprises a barrier film layer provided on the other side of the interfacial bonding layer.
11. A sheet for waterproofing according to any one of claims 1 to 9, wherein one end or both ends of the sheet for waterproofing are provided with a welding edge or a self-adhesive overlapping edge.
12. A method for producing a waterproof roll as claimed in any one of claims 1 to 11, comprising the steps of:
s1, melting, extruding, calendaring and forming a resin sheet layer raw material to obtain a resin sheet;
s2, coating the hot-melt non-asphalt-based high-polymer self-adhesive glue on one surface of a resin sheet to form a sheet with a self-adhesive layer;
s3, uniformly coating the interface bonding layer raw material on the surface of the self-adhesive layer of the sheet obtained in the step S2, and drying to form the interface bonding layer.
13. A construction method of a waterproofing membrane as set forth in any of claims 1 to 11, comprising the steps of: and (3) constructing by adopting a pre-paving and anti-sticking method, laying the coiled material and the base layer in a hollow way, directly binding reinforcing steel bars without applying a protective layer after laying, and then pouring structural concrete.
14. The construction method according to claim 13, wherein, in the construction in the tunnel, the method comprises the steps of: the construction is carried out by adopting a pre-paving reverse adhesion method, the coiled material is fixed on the concrete of the first lining through the gasket, a protective layer is not required to be applied after the laying is finished, the reinforcing steel bars are directly bound, then the structural concrete is poured, and the coiled material and the concrete of the second lining form full adhesion.
15. A construction method according to claim 14, wherein the pad is warm, preferably orange or red.
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