Bending-resistant waterproof roll

By designing a temperature insulation layer, toughening layer, conformal layer and low-temperature resistant layer on the waterproof roll, and filling it with EVA foam particles, the problem of poor toughness and inability to delay low-temperature transmission at low temperatures is solved, and good toughness and compressive resistance in low-temperature environments are achieved.

CN223030559UActive Publication Date: 2025-06-27KUNMING SHUNLI WATERPROOF MATERIAL CO LTD
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Patent Information

Application Number
CN202421801594.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-06-27
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

The existing waterproof coils are not tough enough at low temperatures, prone to creases, and cannot delay the transmission of external low temperatures to the cover area. They have certain limitations in their use.

Method used

A bending-resistant waterproof coil material is designed. The coil body is made of SBS thermoplastic elastomer. The surface is glued to connect with a temperature insulation layer, a toughening layer, a conformal layer and a low temperature resistance layer. A cavity is provided inside and filled with EVA foam particles.

Benefits of technology

In low temperature environment, the toughening layer provides good low-temperature toughness to prevent the coil from being bent; the temperature insulation layer delays low-temperature transmission and improves the scope of application; EVA foam particles improve compressive resistance and meet the needs of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bending-resistant waterproof coiled material which comprises a coiled material body, a thermal insulation layer is connected to the surface of one side of the coiled material body in a gluing mode, a toughening layer is connected to the surface of the other side of the coiled material body in a gluing mode, a low-temperature-resistant layer is arranged on one side of the toughening layer, and a shape preserving layer is arranged between the low-temperature-resistant layer and the toughening layer. According to the bending-resistant waterproof roll disclosed by the utility model, the toughening layer is made of the POE material and has good low-temperature toughness, so that the waterproof roll has certain toughness in a low-temperature environment so as to prevent the waterproof roll from being bent, and the thermal insulation layer is made of the rock wool material and has good thermal insulation performance so as to prevent the waterproof roll from being bent. The speed of transferring external low temperature to the area covered by the coiled material can be delayed, so that the application range of the coiled material is widened, and the coiled material is suitable for being widely popularized and used.
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Description

Technical Field

[0001] The utility model relates to the technical field of waterproof coiled materials, in particular to a bend-resistant waterproof coiled material. Background Art

[0002] Waterproof coiled materials are mainly used for building walls, roofs, tunnels, roads, landfills, etc., and are flexible building materials that can be curled into rolls to resist external rainwater and groundwater seepage. As a leak-free connection between the engineering foundation and the building, it is the first barrier for the overall project waterproofing and plays a crucial role in the entire project.

[0003] Patent Application No. 201921890774.0 discloses a waterproof coiled material based on an enhanced thermoplastic elastomer as the main body, which can avoid the situation that it is not easy for the upper waterproof coiled material and the lower waterproof coiled material to be misaligned, has a firm fixation, is convenient for the rolling of the upper waterproof coiled material and the lower waterproof coiled material during winding, and is convenient for winding, and can avoid the loosening of the upper waterproof coiled material and the lower waterproof coiled material after winding.

[0004] However, this waterproof coiled material has poor toughness at low temperatures, is prone to creases, and cannot delay the speed of external low temperature transfer to its covered area after use, so its use has certain limitations. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a bend-resistant waterproof coiled material, which can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A bend-resistant waterproof coiled material includes a coiled material body. One side surface of the coiled material body is adhesively connected with a heat insulation layer, and the other side surface of the coiled material body is adhesively connected with a toughening layer. A low-temperature resistant layer is arranged on one side of the toughening layer, and a shape-retaining layer is arranged between the low-temperature resistant layer and the toughening layer; the coiled material body is made of SBS thermoplastic elastomer, which has good waterproof performance to meet the use requirements of people.

[0008] Furthermore, a cavity is formed in the coiled material body, and the cavity is filled with EVA foam particles; after the coiled material body is subjected to pressure, the EVA foam particles will deform, so that the coiled material has excellent compressive performance.

[0009] Furthermore, the heat insulation layer is made of rock wool, and the rock wool is evenly distributed on the surface of the coiled material body.

[0010] Furthermore, the toughening layer is made of POE material.

[0011] Furthermore, the low-temperature resistant layer is made of polychlorotrifluoroethylene.

[0012] Furthermore, the conformal layer is attached to the opposite surfaces of the low-temperature resistant layer and the toughening layer, and the conformal layer is made of PET material.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] By providing a heat insulation layer and a toughening layer, the toughening layer is made of POE material and has good low-temperature toughness, which can enable the waterproof coiled material to have a certain toughness in a low-temperature environment, thereby preventing it from being bent. The heat insulation layer is made of rock wool material and has good heat insulation performance, which can delay the speed of external low temperature transfer to the area covered by the coiled material, so as to expand the applicable range of the coiled material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a bend-resistant waterproof coiled material of the utility model.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the coiled material body of a bend-resistant waterproof coiled material of the utility model.

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the material layer of the coiled material body of a bend-resistant waterproof coiled material of the utility model.

[0018] In the figure: 1, coiled material body; 2, EVA foam particles; 3, heat insulation layer; 4, toughening layer; 5, conformal layer; 6, low-temperature resistant layer; 7, cavity. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the technical means, creative features, achieved purposes and functions of the utility model easy to understand, the utility model will be further described below in conjunction with specific embodiments.

[0020] As Figure 1 , 3 shown, a bend-resistant waterproof coiled material includes a coiled material body 1. One side surface of the coiled material body 1 is adhesively connected with a heat insulation layer 3, and the other side surface of the coiled material body 1 is adhesively connected with a toughening layer 4. A low-temperature resistant layer 6 is arranged on one side of the toughening layer 4, and a conformal layer 5 is arranged between the low-temperature resistant layer 6 and the toughening layer 4.

[0021] Among them, a cavity 7 is formed in the coiled material body 1, and the cavity 7 is filled with EVA foam particles 2.

[0022] In this embodiment, as Figure 2 shown, the EVA foam particles 2 have good deformation ability, so that the coiled material has good compressive performance.

[0023] Among them, the heat insulation layer 3 is made of rock wool, and the rock wool is evenly distributed on the surface of the coil body 1.

[0024] In this embodiment, as Figure 3 shown, while having heat insulation performance, rock wool is not easy to mildew, so as to ensure its service performance.

[0025] Among them, the toughening layer 4 is made of POE material.

[0026] In this embodiment, as Figure 3 shown, POE plastic is a thermoplastic elastomer obtained by in-situ polymerization of ethylene and octene using a metallocene catalyst, which can endow this coil with good low-temperature toughness.

[0027] Among them, the low-temperature resistant layer 6 is made of polychlorotrifluoroethylene.

[0028] In this embodiment, as Figure 3 shown, polychlorotrifluoroethylene has good low-temperature resistance, which can enable this coil to be used in a low-temperature environment.

[0029] Among them, the shape-retaining layer 5 is attached to the opposite surfaces of the low-temperature resistant layer 6 and the toughening layer 4, and the shape-retaining layer 5 is made of PET material.

[0030] In this embodiment, as Figure 3 shown, PET material has good creep resistance, fatigue resistance and dimensional stability, and can prevent this coil from undergoing large deformations.

[0031] It should be noted that the present utility model is a bend-resistant waterproof coil. During operation, the toughening layer 4 can endow this waterproof coil with certain toughness in a low-temperature environment, thereby preventing it from being bent. The heat insulation layer 3 has good heat insulation performance, which can slow down the speed of external low temperature transferring to the area covered by this coil. And the EVA foam particles 2 have good deformation ability, so that this coil has good compressive performance to meet the use requirements.

[0032] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A bending-resistant waterproof roll material, comprising a roll material body (1), characterized in that: A thermal insulation layer (3) is glued to the surface of one side of the coiled material body (1), and a toughening layer (4) is glued to the surface of the other side of the coiled material body (1), a low-temperature resistant layer (6) is provided on one side of the toughening layer (4), and a conformal layer (5) is provided between the low-temperature resistant layer (6) and the toughening layer (4).

2. The bending-resistant waterproof coiled material according to claim 1, characterized in that: A cavity (7) is provided in the coil body (1), and the cavity (7) is filled with EVA foam particles (2).

3. The bending-resistant waterproof coiled material according to claim 1, characterized in that: The thermal insulation layer (3) is made of rock wool, and the rock wool is evenly distributed on the surface of the coil body (1).

4. The bending-resistant waterproof coiled material according to claim 1, characterized in that: The toughening layer (4) is made of POE material.

5. The bending-resistant waterproof coiled material according to claim 1, characterized in that: The low temperature resistant layer (6) is made of polychlorotrifluoroethylene.

6. The bending-resistant waterproof coiled material according to claim 1, characterized in that: The shape-preserving layer (5) is bonded to the opposite surfaces of the low-temperature resistant layer (6) and the toughening layer (4), and the shape-preserving layer (5) is made of PET material.

Citation Information

Patent Citations

  • Waterproof roll based on enhanced thermoplastic elastomer as main body

    CN211031549U