CN215397366U - Wet self-adhesion waterproofing membrane that spreads - Google Patents

Abstract

The utility model relates to the technical field of waterproof coiled materials, in particular to a wet-laid self-adhesive waterproof coiled material which comprises a first isolation layer, a first self-adhesive layer, a waterproof layer, a strong cross membrane, a reinforcing layer, a second self-adhesive layer and a second isolation layer which are sequentially overlapped and bonded from top to bottom; wherein, the reinforcing layer is internally and uniformly distributed with a grid-shaped polyester fiber net. The waterproof layer provides a second defense line for the waterproof performance of the waterproof roll; the strong cross membrane is used as a base membrane, so that the tensile strength of the waterproof roll is greatly improved, and the phenomena of bulging and wrinkling of the waterproof roll after construction are effectively avoided; and the polyester fiber net with grid-shaped inner parts is uniformly distributed as the reinforcing layer, so that the waterproof roll has waterproof basic performance, has the puncture-resistant function and is firm and durable. Therefore, when the wet-laid coiled material is constructed by a wet-laid method, the coiled material and the base layer can be completely and firmly bonded together, and the waterproof performance is good.

Description

Wet self-adhesion waterproofing membrane that spreads

Technical Field

The utility model relates to the technical field of waterproof rolls, in particular to a wet-laid self-adhesive waterproof roll.

Background

At present, the waterproof coiled material is one of building materials which are very commonly applied in modern buildings, wherein the wet-laid self-adhesive waterproof coiled material is a self-adhesive waterproof coiled material which is prepared by taking a polyester fiber felt or a high polymer material as a base, coating self-adhesive modified asphalt on two surfaces, coating a silicon isolating film or silicon isolating paper on the lower surface, and coating a silicon isolating film and a polyethylene film on the upper surface as isolating materials and is suitable for wet-laid construction. During construction, the cement slurry is coated on a base surface, then the isolating layer on the waterproof coiled material is torn off, the modified asphalt self-adhesive binder layer of the waterproof coiled material is exposed, finally, one surface, provided with the modified asphalt self-adhesive binder layer, of the waterproof coiled material covers the base surface of the cement slurry, and after the cement slurry is condensed, the waterproof coiled material is bonded with the base surface, so that a waterproof effect is achieved.

However, the wet-laid self-adhesive waterproof roll in the prior art generally has the defects of low tensile strength, easy tearing and poor weather resistance, and has the problems of bulging, wrinkling and the like due to asynchronous longitudinal and transverse performance indexes, so that the water seepage resistance is poor, and the normal production and living requirements are seriously influenced.

Therefore, in view of the above problems, it is an urgent technical problem to be solved by those skilled in the art to develop a new type of wet-laid self-adhesive waterproofing membrane.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wet-laid self-adhesive waterproof roll which has excellent water impermeability.

The utility model provides a wet-laid self-adhesive waterproof coiled material which comprises a first isolation layer, a first self-adhesive layer, a waterproof layer, a strong cross membrane, a reinforcing layer, a second self-adhesive layer and a second isolation layer which are sequentially overlapped and adhered from top to bottom; wherein, the reinforcing layer is internally and uniformly distributed with a grid-shaped polyester fiber net.

Further, an adhesive layer is arranged among the first self-adhesive layer, the waterproof layer, the strong cross film, the reinforcing layer and the second self-adhesive layer, and the adhesive layer is a high-molecular pressure-sensitive adhesive.

Further, the specification of the polyester fiber net is that each square meter comprises 10-100 meshes, and the meshes are in a regular polygon shape.

Further, the thickness of the polyester fiber net is 2-5 mm.

Further, the thickness of the first self-adhesive layer and the second self-adhesive layer is 1-2 mm.

Further, the thickness of the strong cross membrane is 1-2 mm.

Further, the waterproof layer is made of waterproof resin materials.

Further, the first isolation layer and the second isolation layer are both made of polyethylene silicone oil film materials.

Further, the first self-adhesive layer and the second self-adhesive layer are both modified asphalt self-adhesive materials.

Compared with the prior art, the wet-laid self-adhesive waterproof roll has the following advantages:

the wet-laid self-adhesive waterproof roll mainly comprises a first isolation layer, a first self-adhesive layer, a waterproof layer, a strong crossed membrane, a reinforcing layer, a second self-adhesive layer and a second isolation layer, wherein the waterproof layer provides a second defense line for the waterproof performance of the waterproof roll; the strong cross membrane is used as a base membrane, so that the tensile strength of the waterproof roll is greatly improved, and the phenomena of bulging and wrinkling of the waterproof roll after construction are effectively avoided; and the polyester fiber net with grid-shaped inner parts is uniformly distributed as the reinforcing layer, so that the waterproof roll has waterproof basic performance, has the puncture-resistant function and is firm and durable. Therefore, when the wet-laid coiled material is constructed by a wet-laid method, the wet-laid coiled material can be used on a wet base layer, the second self-adhesive layer creeps and infiltrates into cement gel and concrete capillary pores in the cement and concrete solidification process to form physical adsorption to achieve the effects of tight combination and firm bonding, so that the coiled material and the base layer are completely and firmly bonded together, and the wet-laid coiled material has good waterproof performance. The wet-laid self-adhesive waterproof coiled material is suitable for basements, indoor buildings, municipal works, reservoirs, swimming pools and the like of subway tunnels and industrial and civil buildings, and is particularly suitable for waterproof works with wet base layers and incomplete drying of abundant underground water operation surfaces.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a wet-laid self-adhesive waterproofing roll according to the present invention.

Description of reference numerals:

1: a first isolation layer; 2: a first self-adhesive layer; 3: a waterproof layer; 4: strong cross-membrane; 5: an enhancement layer; 6: a second self-adhesive layer; 7: a second isolation layer.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides a wet-laid self-adhesive waterproof roll, which comprises a first isolation layer 1, a first self-adhesive layer 2, a waterproof layer 3, a strong cross membrane 4, a reinforcing layer 5, a second self-adhesive layer 6 and a second isolation layer 7 which are sequentially overlapped and adhered from top to bottom; wherein, polyester fiber net in grid shape is uniformly distributed in the reinforcing layer 5.

The wet-laid self-adhesive waterproof roll mainly comprises a first isolating layer 1, a first self-adhesive layer 2, a waterproof layer 3, a strong crossed membrane 4, a reinforcing layer 5, a second self-adhesive layer 6 and a second isolating layer 7, wherein the waterproof layer 3 provides a second defense line for the waterproof performance of the waterproof roll; the strong cross membrane 4 is used as a base membrane, so that the tensile strength of the waterproof roll is greatly improved, and the phenomena of bulging and wrinkling of the waterproof roll after construction are effectively avoided; and the polyester fiber net with grid-shaped inner parts is uniformly distributed as the reinforcing layer 5, so that the waterproof roll has waterproof basic performance, has the puncture-resistant function and is firm and durable.

On the basis of the technical scheme, an adhesive layer is arranged among the first self-adhesive layer 2, the waterproof layer 3, the strong crossed film 4, the reinforcing layer 5 and the second self-adhesive layer 6, and the adhesive layer is a high-molecular pressure-sensitive adhesive.

In a specific embodiment of the present invention, a high molecular pressure sensitive adhesive may be used as the adhesive layer between the first self-adhesive layer 2, the waterproof layer 3, the strong cross film 4, the reinforcing layer 5 and the second self-adhesive layer 6.

On the basis of the technical scheme, it is further preferable that the polyester fiber web has a specification including 10 to 100 meshes per square meter, and the meshes are in a regular polygon shape.

The utility model utilizes the reinforcing layer 5 with the grid-shaped polyester fiber net uniformly distributed inside, and solves the problems that the waterproof roll in the prior art has poor tension resistance and torsion resistance and does not have a puncture resistance function. The mesh shape of the polyester fiber net is a regular polygon with a stable structural shape, and the polyester fiber net can be produced according to actual requirements so as to adapt to various use occasions.

On the basis of the preferable technical scheme, the thickness of the polyester fiber net is 2-5 mm. The thickness of the particular polyester web may be produced as desired to make the present invention adaptable to a variety of uses.

On the basis of the above preferred technical solution, more preferably, the thickness of the first self-adhesive layer 2 and the second self-adhesive layer 6 is 1-2 mm.

On the basis of the technical scheme, the thickness of the strong cross membrane 4 is 1-2 mm.

The strong cross membrane 4 is a high-performance cold-construction self-adhesive composite membrane waterproof coiled material which is formed by compounding a special cross laminated high-density polyethylene strong membrane and high-quality high polymer self-adhesive rubber asphalt through a special process, has excellent dimensional stability, thermal stability, ultraviolet resistance and bidirectional tearing resistance, and has waterproof performance superior to that of a common membrane, so that the toughness of the waterproof coiled material can be obviously improved by taking the waterproof membrane as a base layer, and the service life of the waterproof coiled material is prolonged.

On the basis of the technical scheme, the waterproof layer 3 is made of waterproof resin materials.

The waterproof resin material is used as the waterproof layer 3 and is arranged on the strong cross membrane 4 and the reinforcing layer 5, so that the damage to the strong cross membrane 4 and the reinforcing layer 5 after water seepage can be effectively prevented.

On the basis of the technical scheme, further, the first isolation layer 1 and the second isolation layer 7 are both made of polyethylene silicone oil film materials.

On the basis of the technical scheme, further, the first self-adhesive layer 2 and the second self-adhesive layer 6 are both modified asphalt self-adhesive materials.

In conclusion, the wet-laid self-adhesive waterproof roll is suitable for non-exposed waterproof engineering, adopts cement paste or cement mortar to bond with a concrete base layer, and has the advantages of strong bonding force, high tear strength, excellent flexibility and extensibility, and strong adaptability to base layer shrinkage and cracking deformation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A wet-laid self-adhesive waterproof roll is characterized by comprising a first isolation layer (1), a first self-adhesive layer (2), a waterproof layer (3), a strong cross membrane (4), a reinforcing layer (5), a second self-adhesive layer (6) and a second isolation layer (7) which are sequentially overlapped and adhered from top to bottom;

wherein, polyester fiber nets in grid shape are uniformly distributed in the reinforcing layer (5).

2. The wet-laid self-adhesive waterproof roll according to claim 1, wherein an adhesive layer is arranged between the first self-adhesive layer (2), the waterproof layer (3), the strong cross film (4), the reinforcing layer (5) and the second self-adhesive layer (6), and the adhesive layer is a high-molecular pressure-sensitive adhesive.

3. The roll of wet-laid self-adhesive waterproofing material according to claim 1, wherein the polyester fiber mesh has a size of 10 to 100 meshes per square meter, and the meshes have a regular polygon shape.

4. The roll of wet-laid self-adhesive waterproofing material according to claim 3, wherein the thickness of the polyester fiber web is 2 to 5 mm.

5. A roll of wet-laid self-adhesive waterproofing according to claim 1, wherein the first self-adhesive layer (2) and the second self-adhesive layer (6) are each 1-2mm thick.

6. Wet-laid self-adhesive waterproofing roll according to claim 1, characterized in that the thickness of the strong cross membrane (4) is 1-2 mm.

7. The roll of wet-laid self-adhesive waterproofing according to claim 1 wherein the waterproofing layer (3) is a waterproofing type resin material.

8. The roll of wet-laid self-adhesive waterproofing material according to claim 1, wherein the first release layer (1) and the second release layer (7) are both a polyethylene silicone oil film material.

9. The roll of wet-laid self-adhesive waterproofing according to claim 1, wherein the first self-adhesive layer (2) and the second self-adhesive layer (6) are both a modified asphalt self-adhesive material.

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