CN216639360U - Compound waterproofing membrane of multilayer that barrier properties is good - Google Patents

Abstract

The utility model discloses a multi-layer composite waterproof coiled material with good anti-seepage performance, which comprises a waterproof structural layer arranged in the center of the coiled material. layer and a second waterproof layer. In the utility model, the double-layer SBS modified asphalt is hot-melted and then impregnated with a non-woven fabric and a glass fiber mesh for composite molding to obtain a waterproof structure layer with a reinforcing effect. The waterproof effect is good, the tensile strength is high, and the glass fiber mesh does not It is easily eroded by moisture. Through the anti-penetration layer and the hydrophobic coating, it has hydrophobicity, which can effectively prevent the infiltration of water, so that the surface has a better anti-penetration effect and avoids the failure of the internal structure.

Description

A kind of multi-layer composite waterproof membrane with good anti-seepage performance

technical field

The utility model relates to the technical field of composite waterproof rolls, in particular to a multi-layer composite waterproof roll with good anti-seepage performance.

Background technique

The waterproofing membrane is used for waterproofing the construction site. After being pasted at the construction site, it can effectively prevent water from penetrating it and entering the lower layer. In addition, the current demand for waterproofing membranes on the market is not only for the function of waterproofing. Instead, it needs to have more advantages, such as requirements to prevent rupture caused by pulling during laying. The general practice is to add a reinforcing structure inside the coil, and the general reinforcing structure will fail due to water vapor erosion in long-term use. , once the paving surface cracks and deforms in the later stage, without the protection of the reinforcing structure, the waterproof layer has the risk of being pulled and cracked, resulting in waterproof failure.

Utility model content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and propose a multi-layer composite waterproofing membrane with good anti-seepage performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multi-layer composite waterproof coiled material with good anti-seepage performance, comprising a waterproof structural layer arranged in the center of the coiled material, and the waterproof structural layer consists of a tire base layer and a The first waterproof layer and the second waterproof layer are formed on both sides of the tire base layer; a reinforcing layer arranged on the side of the first waterproof layer away from the tire base layer for enhancing the tensile strength of the coil body, the reinforcing layer is glass fiber net; an anti-permeation layer arranged on the side of the reinforcing layer away from the first waterproof layer for increasing the anti-permeability effect of the coil body, and a hydrophobic coating coated on the side of the anti-permeation layer away from the reinforcement layer; arranged on the hydrophobic coating A protective layer on the side away from the anti-permeability layer to protect the coil body from being worn; a puncture-proof layer on the side of the second waterproof layer away from the tire base layer to prevent root puncture; on the puncture-proof layer away from the second waterproof layer One side of the self-adhesive layer is used for laying construction, the side of the self-adhesive layer away from the anti-puncture layer is provided with a release film for protecting the self-adhesive layer, and the self-adhesive layer is modified vinyl rubber.

As a further description of the above technical solution:

In order to achieve the purpose of good waterproof performance and high tensile strength, the first waterproof layer and the second waterproof layer are both SBS modified asphalt, the tire base layer is non-woven fabric, and the first waterproof layer and the second waterproof layer are The layer is impregnated with the tire base layer and the reinforcing layer after being hot-melted and then composite molded.

As a further description of the above technical solution:

In order to achieve the effect of impermeability, the impermeable layer is wavy when viewed from the cross section of the long end of the coil body.

As a further description of the above technical solution:

In order to prevent the body of the coil from being pierced by plant roots, the anti-puncture layer is a high-density polyethylene geomembrane.

As a further description of the above technical solution:

In order to achieve the effect of surface wear resistance, the surface of the protective layer is covered with a layer of wear-resistant shale flake coarse mineral particles.

The utility model has the following beneficial effects:

1. Compared with the prior art, the multi-layer composite waterproofing membrane with good anti-seepage performance uses double-layer SBS modified asphalt to be hot-melted and then impregnated with non-woven fabric and glass fiber mesh for composite molding to obtain a composite waterproof membrane with a reinforcing effect. The waterproof structure layer has good waterproof effect, high tensile strength, and the glass fiber mesh is not easily eroded by moisture.

2. Compared with the prior art, the multi-layer composite waterproofing membrane with good anti-seepage performance is made of a wave-shaped anti-penetration layer at the long end and a hydrophobic coating, which has hydrophobicity and can effectively prevent the infiltration of water. , so that the surface has a better anti-penetration effect and avoids the failure of the internal structure.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of multi-layer composite waterproofing membrane material with good anti-seepage performance proposed by the utility model;

Fig. 2 is a partial enlarged view of the place A in Fig. 1 of a multi-layer composite waterproofing membrane with good anti-seepage performance proposed by the utility model;

Fig. 3 is a partial schematic view of the long-end cross-section of the anti-permeability layer of a multi-layer composite waterproofing membrane with good anti-seepage performance proposed by the utility model.

illustration:

1. Protective layer; 2. Hydrophobic coating; 3. Impermeable layer; 4. Reinforcing layer; 5. First waterproof layer; 6. Tire base layer; 7. Second waterproof layer; 8. Anti-puncture layer; sticky layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1 to 3, the utility model provides a multi-layer composite waterproof membrane with good anti-seepage performance: including a waterproof structure layer arranged in the center of the membrane, and the waterproof structure layer is formed by the tire base 6 and the base layer respectively. The first waterproof layer 5 and the second waterproof layer 7 on both sides of 6 are formed; the reinforcing layer 4 that is arranged on the side of the first waterproof layer 5 away from the tire base layer 6 and is used to enhance the tensile strength of the coil body, and the reinforcing layer 4 is glass fiber Net, the first waterproof layer 5 and the second waterproof layer 7 are SBS modified asphalt, the tire base 6 is a non-woven fabric, and the first waterproof layer 5 and the second waterproof layer 7 are hot-melted with the tire base 6 and the reinforcing layer. 4 Impregnation and then composite molding, double-layer SBS modified asphalt greatly enhances the waterproof effect, and the glass fiber mesh can increase the tensile strength of the coil body. 6 and the reinforcing layer 4 are impregnated and then composite molded, which can make the bond stronger.

The anti-permeation layer 3 arranged on the side of the reinforcement layer 4 away from the first waterproof layer 5 is used to increase the anti-permeation effect of the coil body and the hydrophobic coating 2 coated on the side of the anti-permeation layer 3 away from the reinforcement layer 4. The anti-permeation layer 3. Observed from the cross section of the long end of the coil body, it is wavy. The anti-penetration layer 3 has a good anti-penetration effect, and the hydrophobic coating 2 can improve the anti-penetration effect.

The protective layer 1 is arranged on the side of the hydrophobic coating 2 away from the impermeable layer 3 to protect the coil body from being worn. The surface of the protective layer 1 is covered with a layer of wear-resistant shale flake coarse mineral particles. Mineral pellets increase the wear resistance of the surface of the coil body, and in some uncompressed situations, such as people's roofs, no additional protection measures are required.

The anti-puncture layer 8 is arranged on the side of the second waterproof layer 7 away from the tire base layer 6 to prevent root puncture. The anti-puncture layer 8 is a high-density polyethylene geomembrane, which can effectively prevent plant root puncture from The lower surface protects the waterproof structural layer.

The self-adhesive layer 9 is arranged on the side of the anti-puncture layer 8 away from the second waterproof layer 7 for laying construction. Layer 9 is a modified vinyl rubber.

Working principle: The first waterproof layer 5 and the second waterproof layer 7 are impregnated with the tire base 6 and the reinforcing layer 4 after being hot-melted and then compounded. The double-layer SBS modified asphalt greatly enhances the waterproof effect. The glass fiber mesh can increase the body of the coil. By dipping the first waterproof layer 5 and the second waterproof layer 7 with the tire base layer 6 and the reinforcing layer 4 and then composite molding after hot melting, the combination can be made stronger, and the anti-penetration layer 3 is longer from the coil body. The end section is wavy, the anti-penetration layer 3 has a good anti-penetration effect, and the hydrophobic coating 2 can improve the anti-penetration effect. In the case of pressure, if you do not go to the roof of people, you do not need to take additional protective measures. The high-density polyethylene geomembrane has high toughness, which can effectively prevent plant roots from puncturing and protect the waterproof structural layer from the lower surface.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (5)

1. a good multi-layer composite waterproof coiled material of anti-seepage performance is characterized in that: comprise the waterproof structural layer arranged in the center of the coiled material, and the described waterproof structural layer consists of the tire base layer (6) and the tire base layer (6) respectively. ) on both sides of the first waterproof layer (5) and the second waterproof layer (7) composition; a reinforcing layer (4) arranged on the side of the first waterproof layer (5) away from the tire base layer (6) for enhancing the tensile strength of the coil body, the reinforcing layer (4) being a glass fiber mesh; An impermeable layer (3) disposed on the side of the reinforcing layer (4) away from the first waterproof layer (5) for increasing the impermeability effect of the coil body, and an impermeable layer (3) coated on the impermeable layer (3) away from the reinforcing layer (4) ) hydrophobic coating (2) on one side; a protective layer (1) arranged on the side of the hydrophobic coating (2) away from the anti-permeation layer (3) for protecting the coil body from being worn; an anti-puncture layer (8) arranged on the side of the second waterproof layer (7) away from the tire base layer (6) for preventing root puncture; A self-adhesive layer (9) is provided on the side of the anti-puncture layer (8) away from the second waterproof layer (7) for laying construction, and the side of the self-adhesive layer (9) far away from the anti-puncture layer (8) is provided with a self-adhesive layer (9). A release film for protecting a self-adhesive layer (9), wherein the self-adhesive layer (9) is a modified vinyl rubber. 2. The multi-layer composite waterproofing membrane with good anti-seepage performance according to claim 1, characterized in that: the first waterproof layer (5) and the second waterproof layer (7) are both SBS modified asphalt , the tire base layer (6) is a non-woven fabric, and the first waterproof layer (5) and the second waterproof layer (7) are impregnated with the tire base layer (6) and the reinforcing layer (4) after being hot-melted and then composite molded . 3 . The multi-layer composite waterproof coiled material with good anti-seepage performance according to claim 2 , wherein the anti-penetration layer ( 3 ) is wavy when viewed from the cross section of the long end of the coil body. 4 . 4 . The multi-layer composite waterproofing membrane with good anti-seepage performance according to claim 3 , wherein the anti-puncture layer ( 8 ) is a high-density polyethylene geomembrane. 5 . 5 . The multi-layer composite waterproofing membrane with good anti-seepage performance according to claim 4 , wherein the surface of the protective layer ( 1 ) is covered with a layer of wear-resistant shale flake coarse mineral particles. 6 .

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