CN216405940U

CN216405940U - Compound tackified wet-laid waterproof roll

Info

Publication number: CN216405940U
Application number: CN202122328967.0U
Authority: CN
Inventors: 吴晓雨; 杨建国; 沈凯; 刘涛; 徐策; 李忠文
Original assignee: Tianjin Yushen Building Waterproof Material Co ltd
Current assignee: Tianjin Yushen Building Waterproof Material Co ltd
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-04-29
Anticipated expiration: 2031-09-25

Abstract

The utility model relates to the technical field of building waterproofing, and discloses a composite tackified wet-laid waterproof coiled material which comprises a first enhancement layer, a first self-adhesive layer, a second enhancement layer, a second self-adhesive layer, a third self-adhesive layer and an isolation layer, wherein the third self-adhesive layer covers the upper end of the isolation layer, the second self-adhesive layer covers the upper end of the third self-adhesive layer, the second enhancement layer covers the upper end of the second self-adhesive layer, the first self-adhesive layer covers the upper end of the second enhancement layer, and the first enhancement layer covers the upper end of the first self-adhesive layer. Wherein the length of first self-adhesive layer, second enhancement layer, second self-adhesive layer, third self-adhesive layer, isolation layer is the same, and one side length of first enhancement layer is less than the length of first self-adhesive layer for one side of first enhancement layer and the upper end of first self-adhesive layer form the overlap edge, and the length of this overlap edge is 8 ~ 10cm, and first enhancement layer is polypropylene fiber reinforcement layer. The utility model has the advantages of high bonding strength and good tensile resistance, and can improve the safety of a building waterproof system.

Description

Compound tackified wet-laid waterproof roll

Technical Field

The utility model relates to the technical field of building waterproofing, in particular to a composite tackified wet-laid waterproof coiled material.

Background

In the prior art, most of self-adhesive layers in the commonly-used wet-laid waterproof coiled materials on the market are asphalt-based, the bonding strength of the asphalt-based self-adhesive layers can be reduced in a low-temperature state, the defects that the bonding with a base layer is not firm, the base layer is easy to crack, the strength is low and the like exist, when the base layer deforms, the coiled materials can be broken, the service life of the materials is shortened, and the failure of building waterproof engineering is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the composite tackified wet-laid waterproof roll which has the advantages of high bonding strength and good tensile resistance and can improve the safety of a building waterproof system.

The utility model is realized by adopting the following technical scheme: the utility model provides a compound tackified type wet-laying waterproofing membrane, includes first enhancement layer, first self-adhesive layer, second enhancement layer, second self-adhesive layer, third self-adhesive layer and isolation layer, the third self-adhesive layer covers the upper end at the isolation layer, the second self-adhesive layer covers the upper end at the third self-adhesive layer, the second enhancement layer covers the upper end at the second self-adhesive layer, first self-adhesive layer covers the upper end at the second enhancement layer, first enhancement layer covers the upper end at first self-adhesive layer. Wherein the length of first self-adhesive layer, second enhancement layer, second self-adhesive layer, third self-adhesive layer, isolation layer is the same, one side length of first enhancement layer is less than the length of first self-adhesive layer for one side of first enhancement layer and the upper end of first self-adhesive layer form the overlap edge, and the length of this overlap edge is 8 ~ 10 cm.

Further, the first reinforcing layer is a polypropylene fiber reinforcing layer, and specifically is a polypropylene hot-rolled non-woven fabric.

Furthermore, the first self-adhesive layer is an upper polymer modified asphalt self-adhesive layer, the second self-adhesive layer is a lower polymer modified asphalt self-adhesive layer, and the thicknesses of the first self-adhesive layer and the second self-adhesive layer are 0.4-0.6 mm.

Furthermore, the second enhancement layer is a polyester film enhancement layer, and the thickness of the second enhancement layer is 0.075-0.09 mm.

Furthermore, the third self-adhesive layer is a non-asphalt-based self-adhesive layer, and the thickness of the third self-adhesive layer is 0.25-0.4 mm.

Furthermore, the isolation layer is a polyethylene film isolation layer, and the thickness of the polyethylene film isolation layer is 0.03-0.05 mm.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the composite tackified wet-laid waterproof roll, the polypropylene fiber and polyester film reinforcing layers are arranged, so that the tensile property of the roll is remarkably improved.

2. According to the composite tackified wet-laid waterproof roll, the two polymer modified asphalt self-adhesive layers and the non-asphalt composite self-adhesive layer are arranged, so that the bonding strength of the roll and concrete in a low-temperature state can be improved.

3. According to the composite tackifying type wet-laid waterproof coiled material, the lap edges are arranged, and the coiled material is bonded by adopting glue, so that the coiled material forms a whole, and the safety of a building waterproof system is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. a first enhancement layer; 2. a first self-adhesive layer; 3. a second enhancement layer; 4. a second self-adhesive layer; 5. A third self-adhesive layer; 6. an isolation layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Example 1

As shown in fig. 1, the composite tackified wet-laid waterproof roll material of the present invention includes a first reinforcing layer 1, a first self-adhesive layer 2, a second reinforcing layer 3, a second self-adhesive layer 4, a third self-adhesive layer 5 and an isolating layer 6, wherein the third self-adhesive layer 5 covers the upper end of the isolating layer 6, the second self-adhesive layer 4 covers the upper end of the third self-adhesive layer 5, the second reinforcing layer 3 covers the upper end of the second self-adhesive layer 4, the first self-adhesive layer 2 covers the upper end of the second reinforcing layer 3, and the first reinforcing layer 1 covers the upper end of the first self-adhesive layer 2. Wherein the length of first self-adhesive layer 2, second enhancement layer 3, second self-adhesive layer 4, third self-adhesive layer 5, isolation layer 6 is the same, and one side length of first enhancement layer 1 is less than the length of first self-adhesive layer 2 for one side of first enhancement layer 1 and the upper end of first self-adhesive layer 2 form the overlap joint limit, and overlap joint limit department adopts the adhesive bonding to form wholly together, and the length B on this overlap joint limit is 8 ~ 10 cm.

The first reinforced layer 1 is a polypropylene fiber reinforced layer which is polypropylene hot-rolled non-woven fabric, and the tensile force of the polypropylene fiber reinforced layer is more than or equal to 300N/5 cm.

The first self-adhesive layer 2 is an upper polymer modified asphalt self-adhesive layer, the second self-adhesive layer 4 is a lower polymer modified asphalt self-adhesive layer, the upper polymer modified asphalt self-adhesive layer and the lower polymer modified asphalt self-adhesive layer are both composed of No. 90 asphalt and SBR, and the thickness of the upper polymer modified asphalt self-adhesive layer and the lower polymer modified asphalt self-adhesive layer is 0.4-0.6 mm.

The second enhancement layer 3 is a polyester film enhancement layer, the thickness of the polyester film enhancement layer is 0.075-0.09 mm, the thickness of the polyester film enhancement layer is specifically 0.075mm, and the tensile force is greater than or equal to 300N/5 cm.

The third self-adhesive layer 5 is a non-asphalt-based self-adhesive layer, and the non-asphalt-based self-adhesive layer is composed of SIS and C5 petroleum resin, and has a thickness of 0.25-0.4 mm, specifically 0.3mm in this embodiment.

The isolation layer 6 is a polyethylene film isolation layer, the thickness of the isolation layer is 0.03-0.05 mm, and the thickness of the isolation layer is specifically 0.04mm in the embodiment.

The composite tackified wet-laid waterproof roll can be suitable for various waterproof projects, the lap edges of the composite tackified wet-laid waterproof roll are glued together to form a whole, and the composite tackified wet-laid waterproof roll is provided with three self-adhesive layers and two reinforcing layers made of different materials, so that the tensile strength of the material is improved, the safety of the waterproof projects is guaranteed, and the composite tackified wet-laid waterproof roll is large in tensile force, good in elongation and good in dimensional stability.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a compound tackification type wet-laying waterproofing membrane which characterized in that: including first enhancement layer (1), first self-adhesive layer (2), second enhancement layer (3), second self-adhesive layer (4), third self-adhesive layer (5) and isolation layer (6), third self-adhesive layer (5) cover the upper end at isolation layer (6), second self-adhesive layer (4) cover the upper end at third self-adhesive layer (5), second enhancement layer (3) cover the upper end at second self-adhesive layer (4), first self-adhesive layer (2) cover the upper end at second enhancement layer (3), first enhancement layer (1) covers the upper end at first self-adhesive layer (2).

2. The composite tackified wet-laid waterproofing membrane according to claim 1, characterized in that: the length of first self-adhesive layer (2), second enhancement layer (3), second self-adhesive layer (4), third self-adhesive layer (5), isolation layer (6) is the same, one side length of first enhancement layer (1) is less than the length of first self-adhesive layer (2) for one side of first enhancement layer (1) forms the overlap edge with the upper end of first self-adhesive layer (2), and the length of this overlap edge is 8 ~ 10 cm.

3. The composite tackified wet-laid waterproofing membrane according to claim 2, characterized in that: the first reinforcing layer (1) is a polypropylene fiber reinforcing layer.

4. The composite tackified wet-laid waterproofing membrane according to claim 3, characterized in that: the polypropylene fiber reinforced layer is polypropylene hot-rolled non-woven fabric.

5. The composite tackified wet-laid waterproofing membrane according to claim 2, characterized in that: the first self-adhesive layer (2) is an upper polymer modified asphalt self-adhesive layer, the second self-adhesive layer (4) is a lower polymer modified asphalt self-adhesive layer, and the thickness of the first self-adhesive layer (2) and the second self-adhesive layer (4) is 0.4-0.6 mm.

6. The composite tackified wet-laid waterproofing membrane according to claim 2, characterized in that: the second enhancement layer (3) is a polyester film enhancement layer, and the thickness of the second enhancement layer is 0.075-0.09 mm.

7. The composite tackified wet-laid waterproofing membrane according to claim 2, characterized in that: the third self-adhesive layer (5) is a non-asphalt-based self-adhesive layer, and the thickness of the third self-adhesive layer is 0.25-0.4 mm.

8. The composite tackified wet-laid waterproofing membrane according to claim 2, characterized in that: the isolation layer (6) is a polyethylene film isolation layer, and the thickness of the polyethylene film isolation layer is 0.03-0.05 mm.