Root-puncture-resistant waterproof roll for planted roof, production method and use method of root-puncture-resistant waterproof roll

Abstract

The invention relates to a waterproof roll for a root-puncture-resistant planting roof.The waterproof roll for the root-puncture-resistant planting roof.The waterproof roll for the root-puncture-resistant planting roof.The waterproof roll for the root-puncture-resistant planting roof.The waterproof roll for the root-puncture-resistant planting roof.The waterproof roll comprises, by weight, a base, a first root blocking layer and a second root blocking layer, the first root blocking layer is arranged on the base, the second root blocking layer is arranged on the first root blocking layer, and the first root blocking layer comprises, by weight, 60-90 parts of butyl rubber; 1-10 parts of EPDM (Ethylene-Propylene-Diene Monomer), 5-20 parts of filler, 1-5 parts of coupling agent and 0.05-5 parts of chemical root inhibitor. Wherein the second root resisting layer comprises a body and a balance layer, the balance layer is arranged on the side, away from the first root resisting layer, of the body, the balance layer comprises a plurality of balance sub-bodies protruding out of the body, any balance sub-body comprises an inclined face and a circumferential side face, the inclined face is inclined relative to the body, and one end of the inclined face is connected with the body; and the rest end part on the inclined surface is connected with the body through the peripheral side surface. And through the arrangement of the balance layer, the flatness of the roof after the waterproof coiled material is laid can be improved, the inclination is 0-5 degrees, and the universality of the waterproof coiled material is effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of waterproofing membranes, and in particular to a waterproofing membrane for root-penetration-resistant planting roofs, and a production and use method thereof. Background Art

[0002] With the development of society and the increasing maturity of construction technology, people have higher and higher requirements for the quality of building waterproofing. Waterproofing membranes are mainly used in building walls, roofs, etc., and are usually flexible building materials that can resist external rainwater and prevent groundwater leakage. They are the first barrier to building waterproofing. With the advancement of urban greening, roof planting technology is also being promoted, and roof gardens have become a key trend in the field, which has brought new challenges to roof waterproofing.

[0003] Due to the different roof conditions, related roof waterproofing technologies are mostly suitable for waterproofing flat roofs, without considering the use requirements of roofs with a certain inclination angle, which affects the actual use quality of the waterproof membrane.

[0004] Therefore, the art is in urgent need of a waterproof membrane for root-penetration-resistant planting roofs, and a production and use method, and thus the present application is filed.

[0005] Application Contents

[0006] The purpose of the present application is to provide a waterproof membrane for root-penetration-resistant planted roofs, and a production and use method thereof, so as to solve at least one of the technical problems described in the background technology.

[0007] Specifically, the first aspect of the present application provides a waterproof membrane for root penetration resistant planting roofs, which includes, by weight, a base, a first root barrier layer and a second root barrier layer, the first root barrier layer being arranged on the base, the second root barrier layer being arranged on the first root barrier layer, and the first root barrier layer including 60-90 parts of butyl rubber, 1-10 parts of EPDM, 5-20 parts of filler, 1-5 parts of coupling agent, and 0.05-5 parts of chemical root barrier.

[0008] Among them, the second root barrier layer includes a main body and a balancing layer, the balancing layer is arranged on a side of the main body away from the first root barrier layer, the balancing layer includes a plurality of balancing sub-bodies protruding from the main body, any balancing sub-body includes an inclined surface and a peripheral side surface, the inclined surface is inclined relative to the main body and one end is connected to the main body, and the remaining end on the inclined surface is connected to the main body through the peripheral side surface.

[0009] By adopting the above scheme, by setting the base, a basic supporting surface can be provided for the waterproof membrane, which is convenient for the setting of the first root barrier layer and the second root barrier layer. The setting of the base can also make the root barrier effect of the waterproof membrane relatively independent, and effectively maintain the waterproof effect of the waterproof membrane. Secondly, by setting the first root barrier layer and the second root barrier layer, the risk of puncture of the planted roof can be effectively reduced. Thirdly, by setting the balancing layer, the flatness of the roof after laying the waterproof membrane can be improved, so that the slope is 0 to 5°, and it is also possible to carry out stable roof planting, which effectively improves the universality of the waterproof membrane.

[0010] Optionally, the angle between the inclined surface and the body is a balance inclination angle α, which satisfies 0<α≤5°.

[0011] Optionally, the distance between one end of the inclined surface away from the body and the body is L1, satisfying 0.5μm≤L1≤2μm, the width of the inclined surface is L2, satisfying 0.1μm≤L2≤1μm, and the longitudinal spacing between adjacent balancing sub-bodies is 1μm to 5μm, and the lateral spacing is 1μm to 3μm.

[0012] Optionally, the filler is at least one of copper powder, aluminum powder, silicon dioxide, bentonite, diatomaceous earth, titanium dioxide, zinc oxide, and aluminum oxide.

[0013] Optionally, the second root barrier layer is made of at least one of HDPE, PVC, PE and PP.

[0014] Alternatively, butyl rubber is an unvulcanized cross-linked rubber copolymer synthesized from isobutylene and isoprene.

[0015] Optionally, the coupling agent is one of aminopropyltriethoxysilane, vinyltriethoxysilane and vinyltriethoxysilane.

[0016] Optionally, the first root barrier layer includes, by weight, 60-80 parts of linear low-density polyethylene, 15-30 parts of polypropylene, 5-15 parts of bentonite, and 5-10 parts of a compatibilizer, wherein the compatibilizer is ethylene-methacrylate copolymer or acrylic rubber powder.

[0017] The second aspect of the present application provides a method for preparing the waterproof roll material as described in the first aspect of the present application, comprising the following steps:

[0018] Prepare the raw materials, take the base component, the first root barrier layer component and the second root barrier layer component by weight, heat and melt the components respectively, and stir them evenly, the stirring temperature is 100-150°C;

[0019] Blank molding, extruding each molten component to obtain a base blank, a first layer blank and a second layer blank;

[0020] Calendering is to stack the base embryo, the first layer embryo and the second layer embryo in sequence and roll them together through a casting roller. A pressure layer is provided on the surface of the casting roller. The pressure layer is used to integrally form the balance layer during the casting process.

[0021] Optionally, in the calendering step, the rotation speed of the casting roll is 0.1 m / min to 1 m / min.

[0022] Optionally, the laminate comprises a plurality of milled depressions, and the milled depressions are used to balance the sub-body forming.

[0023] Optionally, the laminate is made of stainless steel foil or titanium foil.

[0024] The third aspect of the present application provides a method for using the waterproof roll material as described in the first aspect of the present application, comprising the following steps:

[0025] Pre-cleaning: clean and level the surface of the surface to be paved, measure the inclination angle of the surface to be paved, and obtain the paving inclination;

[0026] Pre-treatment: select waterproof membrane with the same balanced inclination as the laying inclination;

[0027] Laying: lay the waterproof membrane on the surface to be laid.

[0028] In summary, this application has the following beneficial effects:

[0029] The waterproof membrane provided in the present application can provide a basic supporting surface for the waterproof membrane by setting a base, which is convenient for setting the first root barrier layer and the second root barrier layer. The setting of the base can also make the root barrier effect of the waterproof membrane relatively independent, and effectively maintain the waterproof effect of the waterproof membrane. Secondly, through the setting of the first root barrier layer and the second root barrier layer, the risk of puncture of the planted roof can be effectively reduced. Thirdly, through the setting of the balancing layer, the flatness of the roof after laying the waterproof membrane can be improved, so that the slope is 0 to 5°, and it is also possible to carry out stable roof planting, which effectively improves the universality of the waterproof membrane. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods of the present application will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 It is a schematic diagram of the top view of the structure of an embodiment of the waterproof membrane for root penetration resistant planting roof in the present application.

[0032] Figure 2It is a schematic cross-sectional structure diagram of an implementation method of a waterproof membrane for root-penetration-resistant planting roof in the present application.

[0033] Figure 3 yes Figure 1 A local enlarged schematic diagram of point A in the middle.

[0034] In the attached figure:

[0035] 10. Substrate; 20. First root barrier layer; 30. Second root barrier layer; 31. Balance layer; 32. Main body; 311. Balance sub-body. DETAILED DESCRIPTION

[0036] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0037] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0038] The present application will be described in detail below through examples.

[0039] Figure 1 This is a schematic diagram of the top view of an embodiment of a waterproof membrane for a root-penetration-resistant planting roof in the present application. Figure 2 It is a schematic cross-sectional structure diagram of an embodiment of a waterproof membrane for root-penetration-resistant planting roof in the present application. Figure 3 yes Figure 1 A local enlarged schematic diagram of point A in the middle.

[0040] like Figures 1 to 3 As shown, a waterproof membrane for root-penetration-resistant planted roof comprises, by weight, a substrate 10, a first root barrier layer 20 and a second root barrier layer 30. The first root barrier layer 20 is arranged on the substrate 10, and the second root barrier layer 30 is arranged on the first root barrier layer 20. The first root barrier layer 20 comprises 60-90 parts of butyl rubber, 1-10 parts of EPDM, 5-20 parts of filler, 1-5 parts of coupling agent, and 0.05-5 parts of chemical root barrier.

[0041] Among them, the second root barrier layer 30 includes a main body 32 and a balancing layer 31. The balancing layer 31 is arranged on a side of the main body 32 away from the first root barrier layer 20. The balancing layer 31 includes a plurality of balancing sub-bodies 311 protruding from the main body 32. Any balancing sub-body 311 includes an inclined surface and a peripheral side surface. The inclined surface is inclined relative to the main body and one end is connected to the main body, and the remaining end on the inclined surface is connected to the main body through the peripheral side surface.

[0042] By setting the base, a basic supporting surface can be provided for the waterproof membrane, which is convenient for setting the first root barrier layer and the second root barrier layer. The setting of the base can also make the root barrier effect of the waterproof membrane relatively independent, and effectively maintain the waterproof effect of the waterproof membrane. Secondly, by setting the first root barrier layer and the second root barrier layer, the risk of puncture of the planted roof can be effectively reduced. Thirdly, by setting the balancing layer, the flatness of the roof after laying the waterproof membrane can be improved, so that the slope is 0 to 5°, and it is also possible to carry out stable roof planting, which effectively improves the universality of the waterproof membrane.

[0043] like Figures 1 to 3 As shown, in some optional embodiments, the angle between the inclined surface and the body is a balanced inclination angle α, satisfying 0<α≤5°.

[0044] like Figures 1 to 3 As shown, in some optional embodiments, the distance between one end of the inclined surface away from the main body and the main body is L1, satisfying 0.5μm≤L1≤2μm; the width of the inclined surface is L2, satisfying 0.1μm≤L2≤1μm; and the longitudinal spacing between adjacent balancing sub-bodies is 1μm to 5μm, and the lateral spacing is 1μm to 3μm.

[0045] In some optional implementations, the ratio of the area of ​​all inclined surfaces in the balancing layer to the area of ​​the main body is the inclination ratio, and the size of the inclination ratio is proportional to the size of the balancing inclination angle.

[0046] In some optional embodiments, the filler is at least one of copper powder, aluminum powder, silicon dioxide, bentonite, diatomaceous earth, titanium dioxide, zinc oxide, and aluminum oxide.

[0047] In some optional embodiments, the second root barrier layer is made of at least one of HDPE, PVC, PE and PP.

[0048] In some alternative embodiments, the butyl rubber is an unvulcanized cross-linked rubber copolymer synthesized from isobutylene and isoprene.

[0049] In some optional embodiments, the chemical root inhibitor is a di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root inhibitor.

[0050] In some optional embodiments, the coupling agent is one of aminopropyltriethoxysilane, vinyltriethoxysilane, and vinyltriethoxysilane.

[0051] In some optional embodiments, the first root barrier layer includes, by weight, 60-80 parts of linear low-density polyethylene, 15-30 parts of polypropylene, 5-15 parts of bentonite, and 5-10 parts of a compatibilizer, wherein the compatibilizer is ethylene-methacrylate copolymer or acrylic rubber powder.

[0052] A method for preparing a waterproof roll material for a root-penetration-resistant planting roof comprises the following steps:

[0053] Prepare the raw materials, take the base component, the first root barrier layer component and the second root barrier layer component by weight, heat and melt the components respectively, and stir them evenly, the stirring temperature is 100-150°C;

[0054] Blank molding, extruding each molten component to obtain a base blank, a first layer blank and a second layer blank;

[0055] Calendering is to stack the base embryo, the first layer embryo and the second layer embryo in sequence and roll them together through a casting roller. A pressure layer is provided on the surface of the casting roller. The pressure layer is used to integrally form the balance layer during the casting process.

[0056] In some optional embodiments, in the calendering step, the rotation speed of the casting roll is 0.1 m / min to 1 m / min.

[0057] In some optional embodiments, the laminate includes a plurality of milled depressions, and the milled depressions are used to balance the sub-body forming.

[0058] In some optional embodiments, the laminate is made of stainless steel foil or titanium foil.

[0059] A method for using a waterproof roll material for a root-penetration-resistant planting roof comprises the following steps:

[0060] Pre-cleaning: clean and level the surface of the surface to be paved, measure the inclination angle of the surface to be paved, and obtain the paving inclination;

[0061] Pre-treatment: select waterproof membrane with the same balanced inclination as the laying inclination;

[0062] Laying: lay the waterproof membrane on the surface to be laid.

[0063] Example 1

[0064] In a waterproof roll material for a root-penetration-resistant planting roof, the base thickness is 0.8 mm, the first root barrier layer thickness is 0.8 mm, and the second root barrier layer thickness is 1.2 mm;

[0065] Among them, the base is composed of 70% linear low-density polyethylene, 20% polypropylene, 10% bentonite, and 5% acrylic rubber powder in a mass percentage; the first root barrier layer is composed of 80% unvulcanized cross-linked butyl rubber, 5% EPDM, 5% copper powder, 2% bentonite, 1% aluminum oxide, 1% vinyl triethoxysilane, 0.05% di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root barrier agent in a mass percentage; and the second root barrier layer is HDPE.

[0066] The method for using the waterproof membrane for the root-penetration-resistant planting roof includes the following steps:

[0067] Pre-cleaning: clean and level the surface of the surface to be paved, and measure the inclination angle of the surface to be paved to be 1.2°;

[0068] Pre-treatment, choose waterproof membrane with a balanced inclination angle of 1.2°;

[0069] Laying: lay the waterproof membrane on the surface to be laid.

[0070] The root-penetration-resistant waterproof membrane for green roofs can be applied to roofs with an inclination of less than 5°, does not slip after planting, has a root-penetration-resistant life of more than 20 years, and can be widely used in waterproofing projects for green roofs.

[0071] Example 2

[0072] In a waterproof roll material for a root-penetration-resistant planting roof, the base thickness is 0.8 mm, the first root barrier layer thickness is 0.8 mm, and the second root barrier layer thickness is 1.2 mm;

[0073] Among them, the base is composed of 60% linear low-density polyethylene, 15% polypropylene, 5% bentonite, and 5% acrylic rubber powder in a mass percentage content; the first root barrier layer is composed of 60% unvulcanized cross-linked butyl rubber, 1% EPDM, 3% copper powder, 2% bentonite, 1% aluminum oxide, 2% vinyl triethoxysilane, 1% di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root barrier agent in a mass percentage content; the second root barrier layer is HDPE.

[0074] The method for using the waterproof membrane for the root-penetration-resistant planting roof includes the following steps:

[0075] Pre-cleaning: clean and level the surface of the surface to be paved, and measure the inclination angle of the surface to be paved to be 1.2°;

[0076] Pre-treatment, choose waterproof membrane with a balanced inclination angle of 1.2°;

[0077] Laying: lay the waterproof membrane on the surface to be laid.

[0078] The root-penetration-resistant waterproof membrane for green roofs can be applied to roofs with an inclination of less than 5°, does not slip after planting, has a root-penetration-resistant life of more than 20 years, and can be widely used in waterproofing projects for green roofs.

[0079] Example 3

[0080] In a waterproof roll material for a root-penetration-resistant planting roof, the base thickness is 0.8 mm, the first root barrier layer thickness is 0.8 mm, and the second root barrier layer thickness is 1.2 mm;

[0081] Among them, the base is composed of 80% linear low-density polyethylene, 25% polypropylene, 15% bentonite, and 10% acrylic rubber powder in a mass percentage; the first root barrier layer is composed of 70% unvulcanized cross-linked butyl rubber, 8% EPDM, 7% copper powder, 1% bentonite, 1% aluminum oxide, 3% vinyl triethoxysilane, and 3% di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root barrier agent in a mass percentage; and the second root barrier layer is HDPE.

[0082] The method for using the waterproof membrane for the root-penetration-resistant planting roof includes the following steps:

[0083] Pre-cleaning: clean and level the surface of the surface to be paved, and measure the inclination angle of the surface to be paved to be 1.2°;

[0084] Pre-treatment, choose waterproof membrane with a balanced inclination angle of 1.2°;

[0085] Laying: lay the waterproof membrane on the surface to be laid.

[0086] The root-penetration-resistant waterproof membrane for green roofs can be applied to roofs with an inclination of less than 5°, does not slip after planting, has a root-penetration-resistant life of more than 20 years, and can be widely used in waterproofing projects for green roofs.

[0087] Example 4

[0088] In a waterproof roll material for a root-penetration-resistant planting roof, the base thickness is 0.8 mm, the first root barrier layer thickness is 0.8 mm, and the second root barrier layer thickness is 1.2 mm;

[0089] Among them, the base is composed of 80% linear low-density polyethylene, 30% polypropylene, 15% bentonite, and 10% acrylic rubber powder in a mass percentage; the first root barrier layer is composed of 90% unvulcanized cross-linked butyl rubber, 10% EPDM, 7% copper powder, 7% bentonite, 1% aluminum oxide, 5% vinyl triethoxysilane, and 5% di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root barrier agent in a mass percentage; and the second root barrier layer is HDPE.

[0090] The method for using the waterproof membrane for the root-penetration-resistant planting roof includes the following steps:

[0091] Pre-cleaning: clean and level the surface of the surface to be paved, and measure the inclination angle of the surface to be paved to be 1.2°;

[0092] Pre-treatment, choose waterproof membrane with a balanced inclination angle of 1.2°;

[0093] Laying: lay the waterproof membrane on the surface to be laid.

[0094] The root-penetration-resistant waterproof membrane for green roofs can be applied to roofs with an inclination of less than 5°, does not slip after planting, has a root-penetration-resistant life of more than 20 years, and can be widely used in waterproofing projects for green roofs.

[0095] Example 5

[0096] In a waterproof roll material for a root-penetration-resistant planting roof, the base thickness is 0.8 mm, the first root barrier layer thickness is 0.8 mm, and the second root barrier layer thickness is 1.2 mm;

[0097] Among them, the base is composed of 70% by mass of linear low-density polyethylene, 20% by mass of polypropylene, 10% by mass of bentonite, and 5% by mass of acrylic rubber powder; the first root barrier layer is composed of 80% by mass of unvulcanized cross-linked butyl rubber, 5% by mass of EPDM, 5% by mass of copper powder, 5% by mass of bentonite, 2% by mass of aluminum oxide, 1% by mass of vinyl triethoxysilane, and 1% by mass of di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root barrier agent; and the second root barrier layer is PVC.

[0098] The method for using the waterproof membrane for the root-penetration-resistant planting roof includes the following steps:

[0099] Pre-cleaning: clean and level the surface of the surface to be paved, and measure the inclination angle of the surface to be paved to be 2.3°;

[0100] Pre-treatment, choose waterproof membrane with a balanced inclination angle of 2.3°;

[0101] Laying: lay the waterproof membrane on the surface to be laid.

[0102] The root-penetration-resistant waterproof membrane for green roofs can be applied to roofs with an inclination of less than 5°, does not slip after planting, has a root-penetration-resistant life of more than 20 years, and can be widely used in waterproofing projects for green roofs.

[0103] Example 6

[0104] In a waterproof roll material for a root-penetration-resistant planting roof, the base thickness is 0.8 mm, the first root barrier layer thickness is 0.8 mm, and the second root barrier layer thickness is 1.2 mm;

[0105] Among them, the base is composed of 70% by mass of linear low-density polyethylene, 20% by mass of polypropylene, 10% by mass of bentonite, and 5% by mass of acrylic rubber powder; the first root barrier layer is composed of 80% by mass of unvulcanized cross-linked butyl rubber, 5% by mass of EPDM, 5% by mass of copper powder, 2% by mass of bentonite, 1% by mass of aluminum oxide, 1% by mass of vinyl triethoxysilane, and 1% by mass of di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root barrier agent; and the second root barrier layer is PE.

[0106] The method for using the waterproof membrane for the root-penetration-resistant planting roof includes the following steps:

[0107] Pre-cleaning: clean and level the surface of the surface to be paved, and measure the inclination angle of the surface to be paved to be 3.1°;

[0108] Pre-treatment, choose waterproof membrane with a balanced inclination angle of 3.1°;

[0109] Laying: lay the waterproof membrane on the surface to be laid.

[0110] The root-penetration-resistant waterproof membrane for green roofs can be applied to roofs with an inclination of less than 5°, does not slip after planting, has a root-penetration-resistant life of more than 20 years, and can be widely used in waterproofing projects for green roofs.

[0111] Example 7

[0112] In a waterproof roll material for a root-penetration-resistant planting roof, the base thickness is 0.8 mm, the first root barrier layer thickness is 0.8 mm, and the second root barrier layer thickness is 1.2 mm;

[0113] Among them, the base is composed of 70% by mass of linear low-density polyethylene, 20% by mass of polypropylene, 10% by mass of bentonite, and 5% by mass of acrylic rubber powder; the first root barrier layer is composed of 80% by mass of unvulcanized cross-linked butyl rubber, 5% by mass of EPDM, 5% by mass of copper powder, 2% by mass of bentonite, 1% by mass of aluminum oxide, 1% by mass of vinyl triethoxysilane, and 1% by mass of di-2-(4-chloro-2-methyl-phenoxy) propionic acid-polyethylene glycol ester root barrier agent; and the second root barrier layer is PP.

[0114] The method for using the waterproof membrane for the root-penetration-resistant planting roof includes the following steps:

[0115] Pre-cleaning: clean and level the surface of the surface to be paved, and measure the inclination angle of the surface to be paved to be 4.5°;

[0116] Pre-treatment, choose waterproof membrane with a balanced inclination angle of 4.5°;

[0117] Laying: lay the waterproof membrane on the surface to be laid.

[0118] The root-penetration-resistant waterproof membrane for green roofs can be applied to roofs with an inclination of less than 5°, does not slip after planting, has a root-penetration-resistant life of more than 20 years, and can be widely used in waterproofing projects for green roofs.

[0119] It should be pointed out that for ordinary technicians in this field, the technical features in the above embodiments can be freely combined, and the formed technical solutions also belong to the embodiments disclosed in this application.

[0120] Furthermore, without departing from the principles of the present application, several improvements and modifications may be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A waterproof roll material for root-penetration-resistant planting roof, characterized in that: In parts by weight, it includes: substrate; A first root barrier layer is disposed on the substrate; A second root barrier layer, disposed on the first root barrier layer; The first root barrier layer comprises the following components: Butyl rubber 60-90 parts, EPDM 1-10 parts, Filler 5-20 parts, 1-5 parts of coupling agent, Chemical root inhibitor 0.05-5 parts, Among them, the second root barrier layer includes a main body and a balancing layer, the balancing layer is arranged on a side of the main body away from the first root barrier layer, the balancing layer includes a plurality of balancing sub-bodies protruding from the main body, any of the balancing sub-bodies includes an inclined surface and a peripheral side surface, the inclined surface is inclined relative to the main body and one end is connected to the main body, and the remaining end on the inclined surface is connected to the main body through the peripheral side surface.

2. The root-penetration-resistant waterproofing membrane for planting roofs according to claim 1, characterized in that: The angle between the inclined surface and the main body is a balanced inclination angle α, which satisfies 0<α≤5°.

3. The root-penetration-resistant waterproofing membrane for planting roofs according to claim 2, characterized in that: The distance between one end of the inclined surface away from the main body and the main body is L1, which satisfies 0.5μm≤L1≤2μm, the width of the inclined surface is L2, which satisfies 0.1μm≤L2≤1μm, and the longitudinal spacing between adjacent balancing sub-bodies is 1μm to 5μm, and the lateral spacing is 1μm to 3μm.

4. The root-penetration-resistant waterproofing membrane for planting roofs according to claim 1, characterized in that: The filler is at least one of copper powder, aluminum powder, silicon dioxide, bentonite, diatomaceous earth, titanium dioxide, zinc oxide, and aluminum oxide.

5. The root-penetration-resistant waterproofing membrane for planting roofs according to claim 4, characterized in that: The second root barrier layer is made of at least one of HDPE, PVC, PE and PP.

6. A method for preparing the waterproof roll material according to any one of claims 1 to 5, characterized in that: The following steps are involved: Prepare the raw materials, take the base component, the first root barrier layer component and the second root barrier layer component by weight, heat and melt the components respectively, and stir them evenly, the stirring temperature is 100-150°C; Blank molding, extruding each molten component to obtain a base blank, a first layer blank and a second layer blank; Calendering molding, the base embryo, the first layer embryo and the second layer embryo are stacked in sequence and rolled together by a casting roller. The surface of the casting roller is provided with a pressure layer, and the pressure layer is used to integrally mold the balancing layer during the casting process.

7. The preparation method according to claim 6, characterized in that: In the calendering step, the rotation speed of the casting roll is 0.1 m / min to 1 m / min.

8. The preparation method according to claim 6, characterized in that: The pressing layer includes a plurality of rolling depressions, and the rolling depressions are used for forming the balancing sub-body.

9. The preparation method according to claim 6, characterized in that: The laminate is made of stainless steel foil or titanium foil.

10. A method for using the waterproof roll material according to any one of claims 1 to 5, characterized in that: The following steps are involved: Pre-cleaning: cleaning and leveling the surface of the surface to be paved, measuring the inclination angle of the surface to be paved, and obtaining the paving inclination; Pre-treatment, selecting a waterproofing membrane with the same balanced inclination as the laying inclination; Laying: laying the waterproof membrane on the surface to be laid.

Images