Tire base layer and waterproof roll

Abstract

The utility model provides a tire base layer and a waterproof coiled material, the tire base layer comprises a tire base body; the reinforcing fibers are fused in the tire base body, and the reinforcing fibers are uniformly arranged in the tire base body at intervals; wherein the reinforcing fibers comprise metal wires. The waterproof coiled material comprises a first isolation layer, a first modified asphalt layer, a tire base layer, a second modified asphalt layer and a second isolation layer which are stacked from bottom to top. The tire base layer comprises a tire base body and reinforcing fibers fused with the tire base body, and the reinforcing fibers comprise metal wires. Compared with the base body, the metal wires have better anti-drawing capability, and when the waterproof roll with the base body is subjected to external tension in a use scene, the waterproof roll can effectively resist the external tension based on the material characteristics of the metal wires, so that the waterproof roll is prevented from shrinking, and the size change rate of the waterproof roll is effectively reduced.

Description

TECHNICAL FIELD

[0001] The at least one embodiment of the utility model relates to waterproof engineering technical field, especially a kind of base layer and waterproof roll. BACKGROUND

[0002] Waterproof roll is commonly used waterproof material in waterproof engineering, and is widely used in waterproof engineering of various facilities such as building, wall, tunnel and highway.

[0003] Modified asphalt waterproof roll is a common waterproof roll, which is based on traditional asphalt, and the performance of asphalt is improved by adding specific modifier (such as SBS, APP and rubber), so as to improve the waterproof effect and service life of waterproof roll. According to relevant standards, modified asphalt waterproof roll mainly includes base layer and other functional layer structure arranged on the two surfaces of base layer. The base layer plays an important role as the base material of waterproof roll.

[0004] For example, the base layer will directly affect the size change rate of waterproof roll. The index (i.e. size change rate) is intended to represent the degree of size change of waterproof roll under certain conditions (such as temperature change and / or humidity change), which is one of the important parameters for measuring the performance of waterproof roll. If the size change rate of waterproof roll is too large, it may cause serious size shrinkage problem of waterproof roll after laying, which may cause displacement of the overlapping position of adjacent waterproof roll, and further cause leakage.

[0005] Therefore, how to reduce the size change rate of waterproof roll by designing the base layer becomes a technical problem to be solved. UTILITY MODEL CONTENT

[0006] To solve the above and other technical problems in the prior art, the utility model provides a base layer and a waterproof roll. The base layer formed by base body and reinforcing fibers can effectively reduce the size change rate of the waterproof roll when applied to the waterproof roll.

[0007] The embodiment of the utility model provides a base layer, which comprises: a base body; and a plurality of reinforcing fibers, which are fused into the base body and uniformly and spacedly arranged in the base body; wherein the reinforcing fibers comprise metal wires.

[0008] According to the embodiment of the utility model, the reinforcing fibers further comprise a glass fiber layer wrapped outside the metal wires.

[0009] According to the embodiment of the utility model, the reinforcing fibers further comprise glass fiber wires, which are twisted with the metal wires.

[0010] According to the embodiment of the present application, the part of the reinforcing fibers of the tire base layer and the other part of the reinforcing fibers are arranged in a grid shape.

[0011] According to the embodiment of the present application, the breaking elongation of the reinforcing fibers is configured to be greater than or equal to 15%, and / or the breaking strength of the reinforcing fibers is configured to be greater than or equal to 15 cN.

[0012] According to the embodiment of the present application, the tire base body includes any one of a polyester tire base, a glass fiber tire base, and a reinforced polyester tire base.

[0013] The embodiment of the present application further provides a waterproof coiled material containing the tire base layer, which comprises, from bottom to top, a first isolation layer, a first modified asphalt layer, the tire base layer, a second modified asphalt layer, and a second isolation layer.

[0014] According to the embodiment of the present application, the waterproof coiled material has a first edge extending along a first direction and a second edge extending along a second direction, the first direction and the second direction being orthogonal to each other, the length of the first edge being less than the length of the second edge, and the extension direction of at least part of the reinforcing fibers in the tire base layer forms an angle with the first direction.

[0015] According to the embodiment of the present application, the tire base layer includes a plurality of first reinforcing fibers, the plurality of first reinforcing fibers extending along the second direction and being arranged at intervals along the first direction.

[0016] According to the embodiment of the present application, the tire base layer further includes a plurality of second reinforcing fibers, the plurality of second reinforcing fibers extending along the first direction and being arranged at intervals along the second direction, the first reinforcing fibers serving as warp threads, the second reinforcing fibers serving as weft threads, and the intersecting parts of the first reinforcing fibers and the second reinforcing fibers being staggered and overlapped.

[0017] According to the technical scheme provided by the illustrative embodiment of the present application, the tire base layer includes a tire base body and reinforcing fibers fused with the tire base body, and the reinforcing fibers include metal wires. The metal wires have better tensile strength than the tire base body. When the waterproof coiled material with the tire base layer is subjected to external tension in a use scenario, the material properties of the metal wires can effectively resist the external tension to prevent the waterproof coiled material from shrinking, thereby effectively reducing the dimensional change rate of the waterproof coiled material. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the tire base layer according to the embodiment of the present application is schematically shown;

[0019] Figure 2Fig. 2 schematically shows a structure of a tire base layer according to an embodiment of the present application;

[0020] Figure 3 Fig. 3 schematically shows a cross-sectional view of a reinforcing fiber;

[0021] Figure 4 Fig. 4 schematically shows a cross-sectional view of another reinforcing fiber;

[0022] Figure 5 Fig. 5 schematically shows a cross-sectional view of still another reinforcing fiber;

[0023] Figure 6 Fig. 6 schematically shows a layer structure of a waterproofing membrane according to an embodiment of the present application;

[0024] Figure 7 Fig. 7 schematically shows a structure of a waterproofing membrane according to an embodiment of the present application;

[0025] Figure 8 Fig. 8 schematically shows a structure of another waterproofing membrane according to an embodiment of the present application.

[0026] In the drawings, the meanings of the reference signs are as follows:

[0027] 1, tire base layer;

[0028] 11, tire base body;

[0029] 12, reinforcing fiber;

[0030] 12a, first reinforcing fiber;

[0031] 12b, second reinforcing fiber;

[0032] 121, metal wire;

[0033] 122, glass fiber layer;

[0034] 123, glass fiber;

[0035] 2, first separation layer;

[0036] 3, first modified bitumen layer;

[0037] 4, second modified bitumen layer;

[0038] 5, second separation layer;

[0039] 6, waterproofing membrane;

[0040] 61, first edge;

[0041] 62, second edge. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and in conjunction with specific embodiments.

[0043] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "includes" and tautological expressions thereof, such as "including," "includes," "include," "contains," "containing," "contain" and other equivalents thereof, are intended to be inclusive in a manner similar to the term "comprising," such that a stated feature, step, operation, or component is present, but not exclusive, and further unlimited the addition of one or more additional features, steps, operations, or components.

[0044] All terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of the specification, and should not be interpreted in an idealized or overly formal manner.

[0045] In the case of using expressions similar to "at least one of A, B, and C, etc.", it should be generally construed that the meaning is understood by one of ordinary skill in the art as it is commonly used in the art, for example, "a system having at least one of A, B, and C" should include but not be limited to a system having A alone, a system having B alone, a system having C alone, a system having both A and B, a system having both A and C, a system having both B and C, and / or a system having A, B, and C, etc. In the case of using expressions similar to "at least one of A, B, or C, etc.", it should be generally construed that the meaning is understood by one of ordinary skill in the art as it is commonly used in the art, for example, "a system having at least one of A, B, or C" should include but not be limited to a system having A alone, a system having B alone, a system having C alone, a system having both A and B, a system having both A and C, a system having both B and C, and / or a system having A, B, and C, etc.

[0046] According to the relevant standards (such as national standard GB18242-2008), the modified asphalt waterproofing membrane mainly includes a base layer and other functional layers arranged on both surfaces of the base layer. Taking the requirements for PY type (PY type refers to a waterproofing membrane made of polyester cloth as a base) waterproofing membrane in the standard as an example, the dimensional change rate of the corresponding type of waterproofing membrane should be ≤0.7%.

[0047] If the dimensional change rate of the waterproofing membrane is too large, the dimensional change rate of the waterproofing membrane after laying will be too large, especially the short side shrinkage, which will cause the displacement of the lap position of adjacent waterproofing membranes, and further cause leakage. However, in actual engineering application environment, affected by factors such as diurnal temperature difference, climate difference and base deformation, even if the waterproofing membrane meets the above standards, it will still face the problem of short side shrinkage in some scenarios (such as high temperature in summer), and further cause water in the external environment to leak into the building. Therefore, how to control the short side shrinkage of the modified bitumen waterproofing membrane is still a problem in the industry.

[0048] To solve the above problems, there are two ways to improve them. One is to release part of the internal stress of the base layer during the manufacturing process of the waterproofing membrane by corresponding processes (such as heat treatment, tension control and mechanical treatment, etc.); the second is to composite glass fiber in the base body of the base layer, so as to limit the shrinkage of the waterproofing membrane by using the characteristic that the glass fiber is close to zero extension (i.e. it basically does not extend along the length direction of the fiber when stretched).

[0049] In the above two ways, the second way is more effective in reducing the dimensional change rate of the waterproofing membrane, and can control the dimensional change rate of the waterproofing membrane to about 0.5%. However, in actual use, due to the large difference in elongation at break between the glass fiber and the base body (such as polyester base) (the elongation at break of the glass fiber is below 1%, and the elongation at break of the polyester base can be above 30%), when the waterproofing membrane deforms (which can be regarded as the base layer being subjected to external tension), the glass fiber is brittle and is prone to breakage when it is first stressed, and the broken glass fiber cannot further prevent the base layer from deforming. Therefore, this way cannot further reduce the dimensional change rate of the waterproofing membrane.

[0050] Therefore, how to design the base layer of the waterproofing membrane to further reduce the dimensional change rate of the waterproofing membrane has become a technical problem to be solved.

[0051] Figure 1 A structure diagram of a base layer according to an embodiment of the present application is schematically shown.

[0052] According to the embodiment of the present application, as Figure 1 shown, a base layer is provided, which includes a base body 11 and a plurality of reinforcing fibers 12. The reinforcing fibers are fused in the base body 11, and the plurality of reinforcing fibers 12 are uniformly and spacedly arranged in the base body 11. The reinforcing fibers 12 include metal wires 121.

[0053] In an illustrative embodiment, as Figure 1As shown, the tire base body 11 is configured as a substantially rectangular structure. Further, the reinforcing fibers 12 are arranged in the tire base body 11 in a direction (e.g., the left-right direction as shown) along the width of the tire base body 11 and extend in a direction (e.g., the up-down direction as shown) along the length of the tire base body 11. The length of the reinforcing fibers 12 can be configured to be substantially the same as the length of the tire base body 11. It should be understood that embodiments of the present application are not limited thereto. Figure 1 Figure 1 As shown, the tire base body 11 is configured as a substantially rectangular structure. Further, the reinforcing fibers 12 are arranged in the tire base body 11 in a direction (e.g., the left-right direction as shown) along the width of the tire base body 11 and extend in a direction (e.g., the up-down direction as shown) along the length of the tire base body 11. The length of the reinforcing fibers 12 can be configured to be substantially the same as the length of the tire base body 11. It should be understood that embodiments of the present application are not limited thereto.

[0054] For example, the length of the reinforcing fibers 12 can also be configured to be slightly shorter than the length of the reinforcing fibers.

[0055] For another example, the plurality of reinforcing fibers 12 have different lengths, such that the reinforcing fibers 12 are arranged in regions of the tire base body 11 where stress is more concentrated.

[0056] According to embodiments of the present application, the tire base body 11 includes, but is not limited to, any one of a polyester tire base, a glass fiber tire base, and a reinforced polyester tire base. It should be understood that embodiments of the present application are not limited thereto.

[0057] The tire base body 11 of the above three materials is configured in accordance with the requirements of the above-mentioned standard (i.e., the national standard GB18242-2008). In addition to the above, the tire base body 11 can also be made of other types of materials, such as jute cloth, polyester felt, polyethylene film, and other materials suitable for use as a tire base layer for modified asphalt waterproofing membrane.

[0058] The following describes how the tire base body 11 (taking a polyester tire base as an example) and the reinforcing fibers 12 are compounded.

[0059] In one illustrative embodiment, the polyester tire base (i.e., the tire base body 11) is made of polyester fibers or polyester chips and additives (e.g., anti-aging agents, ultraviolet absorbers, etc.). The polyester fibers or polyester chips are melted at high temperature, and then form continuous polyester filaments through a spinning process (e.g., a spinneret). The polyester filaments are subjected to processes such as cooling, oiling, and stretching to achieve the required strength and flexibility. Further, the polyester filaments can be fixed layer by layer through needle punching and thermal bonding, and the reinforcing fibers 12 arranged according to the corresponding specifications (e.g., spacing) can be attached between the layers formed by the polyester filaments during the layer-by-layer fixing process, so as to form a polyester tire base layer including the reinforcing fibers 12 as a whole. Subsequently, further processing such as heat setting and coating treatment is required until the polyester tire base layer meets the required performance requirements. It should be understood that embodiments of the present application are not limited thereto.

[0060] For example, the polyester filaments can also be made using a weaving process, etc.

[0061] ​In an illustrative embodiment, the reinforcing fibers 12 are in the form of metal wires 121, i.e., the metal wires 121 are directly compounded in the tire base body 11 to form the tire base layer.

[0062] In another illustrative embodiment, the reinforcing fibers 12 are in the form of composite wires, such as metal wires 121 and glass fiber materials compounded (which will be described in subsequent embodiments).

[0063] In such an embodiment, the tire base layer 1 includes the tire base body 11 and the reinforcing fibers 12 fused with the tire base body 11, and the reinforcing fibers 12 include metal wires. The metal wires have better tensile resistance (i.e., smaller elongation at break) than the tire base body 11. When the waterproofing membrane having the tire base layer 1 described above is subjected to external tension in a use scenario (such as stretching or contraction due to temperature changes, or deformation due to base layer deformation and settlement), the material properties of the metal wires, such as higher elongation (i.e., higher elongation at break than glass fibers and lower elongation at break than the tire base body 11), can cooperate with the tire base body 11 to reduce the dimensional change rate of the waterproofing membrane (e.g., to less than 0.5%). Compared with a tire base layer compounded only with glass fibers, the tire base layer compounded with metal wires has better deformation (mainly linear deformation) resistance, which can further solve the short side contraction problem of the waterproofing membrane.

[0064] Figure 2 Another structure of a tire base layer according to an embodiment of the present application is schematically shown.

[0065] According to another embodiment of the present application, as shown in Figure 2 part of the reinforcing fibers 12 are arranged in a grid pattern with another part of the reinforcing fibers 12.

[0066] In an illustrative embodiment, as shown in Figure 2 for a tire base body 11 configured in a substantially rectangular shape, part of the reinforcing fibers 12 are arranged in the tire base body 11 in the width direction (e.g., the left-right direction as shown) of the tire base body 11 and extend in the length direction (e.g., the up-down direction as shown) of the tire base body 11; and another part of the reinforcing fibers 12 are arranged in the tire base body 11 in the length direction (e.g., the up-down direction as shown) of the tire base body 11 and extend in the width direction (e.g., the left-right direction as shown) of the tire base body 11. Figure 1 Figure 1 Figure 1 Figure 1

[0067] In such an embodiment, similar to the embodiment shown in Figure 1 , the material properties of the metal wires are used to cooperate with the tire base body 11 to reduce the dimensional change rate of the waterproofing membrane, and thus further description is not provided. In such an embodiment, the metal wires are arranged in the tire base body 11 in the width direction (e.g., the left-right direction as shown) of the tire base body 11 and extend in the length direction (e.g., the up-down direction as shown) of the tire base body 11.​​​​Figure 2 In the embodiment shown, the reinforcing fibers arranged in the transverse and longitudinal directions not only limit the deformation of the waterproofing membrane (provided with the base layer 1) in the short edge direction, but also further limit the deformation of the waterproofing membrane in the long edge direction. On the basis of solving the short edge shrinkage problem of the waterproofing membrane, the long edge shrinkage problem of the waterproofing membrane can also be solved.

[0068] Figure 3 A cross-sectional view of a reinforcing fiber is schematically shown.

[0069] According to an embodiment of the present application, as shown in Figure 3 The reinforcing fiber 12 further includes a glass fiber layer 122 wrapped outside the metal wire 121.

[0070] In an exemplary embodiment, the glass fiber layer 122 includes, but is not limited to, being fixed to the outer surface of the metal wire 121 by an adhesive. In detail, the adhesive includes, but is not limited to, being a resin. Further, the glass fiber (such as chopped glass fiber or long-cut glass fiber) can be mixed with the adhesive to form a slurry, and the metal wire 121 can be immersed in the slurry to make the glass fiber uniformly adhere to the outside of the metal wire 121 when the metal wire 121 is pulled, and then the glass fiber layer 122 is finally formed by heating and curing, and the reinforcing fiber 12 composed of the metal wire 121 and the glass fiber layer 122 is formed. Wherein, the composite reinforcing fiber 12 can also be arranged as shown in Figure 1 and Figure 2 The embodiment shown, and is combined with the base body 11 to form the base layer.

[0071] In such an embodiment, the composite reinforcing fiber 12 formed by arranging the glass fiber layer 122 outside the metal wire 121 has the material properties of both the metal wire 121 and the glass fiber, and further makes the base layer have better pull-out resistance. When the waterproofing membrane with the above-mentioned base layer 1 is subjected to external tension in the use scenario, the glass fiber has very low elongation at break, and therefore can withstand greater tension to make the base layer 1 have better deformation resistance. When the external tension is too large, the glass fiber layer 122 breaks, and then the metal wire 121 continues to withstand the external tension, thereby further reducing the dimensional change rate of the waterproofing membrane compared with the base layer 1 using only the metal wire 121 as the reinforcing fiber. In addition, the glass fiber has better chemical stability and heat resistance than the metal. Therefore, compared with the metal wire 121, the reinforcing fiber with the glass fiber layer 122 can be better combined with the polyester material to improve the integrity of the base layer 1, thereby preventing the base body 11 from being separated from the reinforcing fiber 12 (i.e., the base body 11 slides relative to the reinforcing fiber 12) under the action of external tension.

[0072] Figure 4 Another cross-sectional view of a reinforcing fiber is schematically shown.

[0073] According to the embodiments of the present application, as shown in Figure 4 The reinforcing fiber 12 further comprises a glass fiber 123. The glass fiber 123 is twisted with the metal wire 121.

[0074] In some exemplary embodiments, as shown in Figure 4 The reinforcing fiber 12 comprises one metal wire 121 as a center wire and glass fibers 123 as outer wires.

[0075] Figure 5 Another cross-sectional view of a reinforcing fiber is schematically shown.

[0076] In other exemplary embodiments, as shown in Figure 5 The reinforcing fiber 12 comprises at least two metal wires 121.

[0077] Referring to Figure 4 and Figure 5 In contrast to the embodiments shown in Figure 3 The reinforcing fiber 12 is formed by twisting the metal wire 121 and the glass fiber 123. Depending on the twisting manner, the reinforcing fiber 12 can have the metal wire 121 as a center wire or the glass fiber 123 as a center wire. It should be understood that the embodiments of the present application are not limited thereto.

[0078] For example, the reinforcing fiber 12 can comprise a plurality of twisted fibers, each of which has a fiber structure with a metal wire 121 or a glass fiber 123 as a center wire.

[0079] In an exemplary embodiment, as shown in Figure 4 and Figure 5 The surface of the glass fiber 123 (e.g., long-cut glass fiber) comprises, but is not limited to, a coupling agent to enhance the adhesion with the metal wire 121. Further, during the twisting of the glass fiber and the metal wire 121, the tension and pitch of the twisting should be controlled to twist the metal wire 121 and the glass fiber 123 together, wherein the tension and pitch provided in the twisting should be determined according to the performance requirements of the reinforcing fiber 12, which is not limited herein. Further, the surface of the twisted reinforcing fiber 12 can be coated and cured with a protective layer and / or an adhesive coating (e.g., thermoplastic or thermosetting resin, etc.) to make the reinforcing fiber have better integrity.

[0080] In such embodiments, the reinforcing fiber 12 is twisted with the metal wire 121 and the glass fiber 123. Figure 3As shown in the above embodiments, the reinforcing fiber 12 has the material properties of both the metal wire 121 and the glass fiber, so that the tire base layer 1 has better deformation resistance. The reinforcing fiber 12 formed by twisting has a plurality of metal wires 121 and glass fiber filaments 123 twisted together. When a portion of the glass fiber filaments 123 break, the other glass fiber filaments 123 can still provide greater tensile strength, thereby making the tire base layer 1 have better deformation resistance.

[0081] In some illustrative embodiments, the spacing between two adjacent reinforcing fibers 12 is configured to be 7-20 mm.

[0082] In an illustrative embodiment, referring to Figure 1 As shown, the spacing between the left and right adjacent reinforcing fibers 12 can be configured to be any one of 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, and 20 mm.

[0083] In another illustrative embodiment, referring to Figure 2 As shown, the spacing between the left and right adjacent reinforcing fibers 12 can be configured to be any one of 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, and 20 mm. The spacing between the upper and lower adjacent reinforcing fibers 12 can be configured to be any one of 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, and 20 mm. The spacing between the left and right adjacent reinforcing fibers 12 and the spacing between the upper and lower adjacent reinforcing fibers 12 can be configured to be different, for example, the spacing between the left and right adjacent reinforcing fibers 12 can be configured to be 7 mm, and the spacing between the upper and lower adjacent reinforcing fibers 12 can be configured to be 8 mm. It should be understood that the embodiments of the present application are not limited thereto.

[0084] For example, the spacing between the reinforcing fibers 12 can also be configured to be any value greater than 20 mm or less than 7 mm. It should be understood that the embodiments of the present application are not limited thereto.

[0085] For example, the spacing between the reinforcing fibers 12 can also be configured to be any value greater than 20 mm or less than 7 mm.

[0086] According to the embodiments of the present application, the elongation at break of the reinforcing fiber 12 is configured to be greater than or equal to 15%. And / or, the breaking strength of the reinforcing fiber 12 is configured to be greater than or equal to 15 cN.

[0087] In an exemplary embodiment, the elongation at break of the reinforcing fiber 12 includes but is not limited to being configured at 15%, 16%, 17%, 18%, 19%, 20% and any other value, in particular should be higher than the elongation at break of the glass fiber, and lower than the elongation at break of the tire base body 11.

[0088] In an exemplary embodiment, the breaking strength of the reinforcing fiber 12 includes but is not limited to being configured at 15 cN (centi Newton), 16 cN (centi Newton), 17 cN (centi Newton), 18 cN (centi Newton), 19 cN (centi Newton), 20 cN (centi Newton) and any other value, in particular should meet the required stiffness and tensile strength.

[0089] In some exemplary embodiments, the nominal diameter of the reinforcing fiber 12 is configured to be 0.1-0.6 millimeters.

[0090] In an exemplary embodiment, as shown in Figures 3 to 5 the nominal diameter of the reinforcing fiber 12 (i.e. d1 as shown in Figures 3 to 5 includes but is not limited to being configured at 0.1 millimeter, 0.2 millimeter, 0.3 millimeter, 0.4 millimeter, 0.5 millimeter, 0.6 millimeter and any other value, the allowable deviation of the nominal diameter is ±5%. Further, based on the reinforcing fiber 12 of different nominal diameters, the nominal diameter of the metal wire (i.e. d2 as shown in Figures 3 to 5 includes but is not limited to being configured at any value between 0.01 millimeter to 0.1 millimeter, the allowable deviation of the nominal diameter includes but is not limited to being configured at ±0.001 millimeter. In detail, the nominal diameter of the metal wire 121 can be 0.01 millimeter, 0.02 millimeter, 0.03 millimeter, 0.04 millimeter, 0.05 millimeter, 0.06 millimeter, 0.07 millimeter, 0.08 millimeter, 0.09 millimeter and any other value.

[0091] In an exemplary embodiment, as shown in Figures 3 to 5 the number of metal wires 121 in each reinforcing fiber 12 includes but is not limited to being configured at 1 to 10. In particular, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and any other value.

[0092] In some exemplary embodiments, based on the above parameter requirements, the material of the metal wire 121 includes but is not limited to using iron-chromium alloy. For example, iron-chromium-aluminum alloy can be used. It should be understood that the embodiments of the present application are not limited thereto.

[0093] For example, the metal wire 121 can also be made of other steel alloy materials, in particular should meet the above parameter requirements, such as elongation at break, breaking strength, spacing and nominal diameter, etc.

[0094] Figure 6 Fig. 1 schematically shows a layer structure of a waterproofing membrane according to an embodiment of the present application.

[0095] According to an embodiment of the present application, as shown in Figure 6 Fig. 1, a waterproofing membrane is provided, which comprises, from bottom to top, a first separation layer 2, a first modified bitumen layer 3, a base layer 1, a second modified bitumen layer 4, and a second separation layer 5.

[0096] In an exemplary embodiment, as shown in Figure 6 Fig. 1, from bottom to top, there are a first separation layer 2, a first modified bitumen layer 3, a base layer 1, a second modified bitumen layer 4, and a second separation layer 5. The first separation layer 2 and the second separation layer 5 include, but are not limited to, any one of a polyethylene (PE) film layer, a mineral particle layer, and a fine sand layer. Further, the modified bitumen layer (i.e., the first modified bitumen layer 3 and the second modified bitumen layer 4) is correspondingly arranged between the base layer 1 and the separation layer.

[0097] In such an embodiment, the separation layer (i.e., the first separation layer 2 and the second separation layer 5) is suitable for preventing the waterproofing membrane from sticking to other materials or surfaces (such as during storage, transportation, and construction), protecting the modified bitumen layer, improving construction convenience, preventing ultraviolet radiation, improving weather resistance, and enhancing aesthetics. The modified bitumen layer is suitable for improving the high-temperature performance of the waterproofing membrane, enhancing low-temperature flexibility, increasing anti-aging, improving tensile resistance, enhancing puncture resistance, improving adhesion, improving chemical corrosion resistance, reducing temperature sensitivity, increasing root resistance, and improving construction performance.

[0098] In such an embodiment, the base layer 1 has similar technical effects to the base layer of the above-mentioned embodiments. That is, the base layer 1 includes a base body 11 and reinforcing fibers 12 fused with the base body 11, and the reinforcing fibers 12 include metal wires. The metal wires have better tensile resistance than the base body 11. When the waterproofing membrane with the above-mentioned base layer 1 is subjected to external tension in a use scenario (such as stretching or contraction due to temperature changes, or deformation due to base layer deformation and settlement), the material properties of the metal wires, such as higher elongation (which can be considered as a higher breaking elongation than glass fibers and lower than the base body 11), can cooperate with the base body 11, thereby reducing the dimensional change rate of the waterproofing membrane (such as reducing to less than 0.5%). Compared to a base layer formed by glass fibers, a base layer formed by metal wires has better deformation (mainly linear deformation) resistance, which can further solve the short side shrinkage problem of the waterproofing membrane.

[0099] Figure 7 Fig. 1 schematically shows a layer structure of a waterproofing membrane according to an embodiment of the present application.

[0100] According to the embodiment of the utility model, as shown in Figure 7 The waterproof roll material has a first edge 61 extending along a first direction and a second edge 62 extending along a second direction. The first direction is orthogonal to the second direction. The length of the first edge 61 is less than the length of the second edge 62. The extension direction of at least part of the reinforcing fibers 12 in the base layer 1 forms an angle with the first direction.

[0101] In an illustrative embodiment, referring to Figure 1 and Figure 7 The base layer 1 is compounded in the waterproof roll material 6 and is configured in substantially the same shape as the waterproof roll material 6, which can be understood as having the same length and width. Correspondingly, the width of the base layer 1 corresponds to the dimension of the short edge (i.e., the first edge 61) of the waterproof roll material 6, and the length of the base layer 1 corresponds to the dimension of the long edge (i.e., the second edge 62) of the waterproof roll material 6. Further, the length direction of the base layer 1 can be regarded as the second direction (i.e., the Y direction as shown in Figure 7 ), and the width direction of the base layer 1 can be regarded as the first direction (i.e., the X direction as shown in Figure 7 ).

[0102] In an illustrative embodiment, referring to Figure 1 and Figure 7 The reinforcing fibers 12 are arranged in a direction perpendicular to the first edge 61 of the waterproof roll material 6.

[0103] In such an embodiment, since the extension direction (i.e., the second direction) of the reinforcing fibers 12 is consistent with the contraction direction of the short edge (i.e., the first edge 61) of the waterproof roll material 6, the dimension change rate of the waterproof roll material 6 along the short edge direction can be effectively reduced, thereby at least partially overcoming the short edge contraction problem of the waterproof roll material 6.

[0104] Figure 8 Another structure of a waterproof roll material according to an embodiment of the utility model is schematically shown.

[0105] According to the embodiment of the utility model, as shown in Figure 8 The base layer 1 includes a plurality of first reinforcing fibers 12a. The plurality of first reinforcing fibers 12a extend along the second direction and are arranged at intervals along the first direction.

[0106] In some illustrative embodiments, referring to Figure 8 The base layer 1 further includes a plurality of second reinforcing fibers 12b. The plurality of second reinforcing fibers 12b extend along the first direction and are arranged at intervals along the second direction. The first reinforcing fibers 12a serve as warp threads, the second reinforcing fibers 12b serve as weft threads, and the intersecting portions of the first reinforcing fibers 12a and the second reinforcing fibers 12b are staggered and overlapped.

[0107] In an exemplary embodiment, as shown in Figure 1 and Figure 8 The first reinforcing fiber 12a is arranged in a direction perpendicular to the first side 61 of the waterproofing membrane 6. The second reinforcing fiber 12b is arranged in a direction perpendicular to the second side 62 of the waterproofing membrane 6.

[0108] In such an embodiment, similar to the above-mentioned embodiments, the first reinforcing fiber 12a is adapted to reduce the dimensional change rate of the waterproofing membrane 6 in the short side direction. Correspondingly, the second reinforcing fiber 12b is adapted to reduce the dimensional change rate of the waterproofing membrane 6 in the long side direction. It should be understood that the embodiments of the present application are not limited thereto.

[0109] For example, the first reinforcing fiber 12a is configured to extend in a direction oblique to the second direction and not parallel to the first direction, such as the first reinforcing fiber 12a is configured to extend in a direction having a 30° angle with the second direction.

[0110] For another example, the first reinforcing fiber 12a is configured to extend in a direction oblique to the second direction and not parallel to the first direction, such as the first reinforcing fiber 12a is configured to extend in a direction having a 30° angle with the second direction.

[0111] In such an embodiment, although the first reinforcing fiber 12a is oblique to the second direction, or the second reinforcing fiber 12b is oblique to the first direction, when the waterproofing membrane 6 is stretched, the first reinforcing fiber 12a and the second reinforcing fiber 12b can also provide a component in the first direction or the second direction to at least partially overcome the deformation of the waterproofing membrane 6, thereby reducing the dimensional change rate of the waterproofing membrane 6 in the short side direction and / or the long side direction.

[0112] The following compares the technical means adopted in the above-mentioned embodiments with the dimensional change rate of the waterproofing membrane in the short side direction of the current waterproofing membrane only using a polyester base and loading glass fibers in the polyester base, and the specific results are as follows:

[0113] Comparative Example 1:

[0114] A modified bitumen waterproofing membrane with a grammage of 200 g / m2 and a polyester base as the base layer.

[0115] Comparative Example 2:

[0116] A modified bitumen waterproofing membrane with a polyester base and glass fiber filaments, wherein the glass fiber filaments are arranged longitudinally in parallel to the long side direction of the waterproofing membrane at a spacing of 10 mm.

[0117] Example 1:

[0118] The modified asphalt waterproofing membrane with a grammage of 200 g / m2 and a polyester base composite metal wire (i.e., the metal wire is used as a reinforcing fiber), wherein the metal wire has a nominal diameter of 0.4 mm, a nominal diameter tolerance of ±5%, and a breaking elongation of 18%, and is made of an iron-chromium-aluminum alloy. The metal wire is arranged at a spacing of 10 mm in a longitudinal direction parallel to the long side of the waterproofing membrane (i.e., arranged in the manner shown in Figure 7 ).

[0119] Example 2

[0120] The modified asphalt waterproofing membrane with a grammage of 200 g / m2 and a polyester base composite metal wire (i.e., the metal wire is used as a reinforcing fiber), wherein the metal wire has a nominal diameter of 0.3 mm, a nominal diameter tolerance of ±5%, and a breaking elongation of 17%, and is made of an iron-chromium-aluminum alloy. The metal wire is arranged at a spacing of 10 mm in a longitudinal direction parallel to the long side of the waterproofing membrane and in a transverse direction parallel to the short side of the waterproofing membrane to form a grid structure (i.e., arranged in the manner shown in Figure 8 ).

[0121] Example 3

[0122] The modified asphalt waterproofing membrane with a grammage of 200 g / m2 and a polyester base composite reinforcing fiber (i.e., a reinforcing fiber formed by combining a metal wire and a glass fiber), wherein the metal wire has a nominal diameter of 0.04 mm and is made of an iron-chromium-aluminum alloy. Each reinforcing fiber includes four metal wires, and the breaking strength of the reinforcing fiber is 130 cN. The reinforcing fiber is arranged at a spacing of 10 mm in a longitudinal direction parallel to the long side of the waterproofing membrane (i.e., arranged in the manner shown in Figure 7 ).

[0123] Example 4

[0124] The modified asphalt waterproofing membrane with a grammage of 200 g / m2 and a polyester base composite reinforcing fiber (i.e., a reinforcing fiber formed by combining a metal wire and a glass fiber), wherein the metal wire has a nominal diameter of 0.02 mm and is made of an iron-chromium-aluminum alloy. Each reinforcing fiber includes three metal wires, and the breaking strength of the reinforcing fiber is 50 cN. The reinforcing fiber is arranged at a spacing of 10 mm in a longitudinal direction parallel to the long side of the waterproofing membrane and in a transverse direction parallel to the short side of the waterproofing membrane to form a grid structure (i.e., arranged in the manner shown in Figure 8 ).

[0125] Based on the above comparative examples (i.e., Comparative Examples 1 and 2) and examples (i.e., Examples 1 to 4), tests were performed in accordance with the corresponding standards (e.g., the national standard GB / T 328.12-2007) to obtain the dimensional change rates corresponding to the comparative examples and examples, as shown in Table 1 below:

[0126] Table 1 Dimensional Change Rate Comparison Table

[0127] Embodiment Rate of dimensional change / % Comparative Example 1 0.66 Comparative Example 2 0.47 Example 1 0.25 Example 2 0.16 Example 3 0.18 Example 4 0.08

[0128] Referring to the above Table 1, it can be seen that, compared with the comparative example 1, the ability of the example 1 to reduce the size change rate can be greatly improved by 62%, the ability of the example 2 to reduce the size change rate can be greatly improved by 76%, the ability of the example 3 to reduce the size change rate can be greatly improved by 73%, and the ability of the example 4 to reduce the size change rate can be greatly improved by 87%.

[0129] Compared with the comparative example 2, the ability of the example 1 to reduce the size change rate can be greatly improved by 47%, the ability of the example 2 to reduce the size change rate can be greatly improved by 66%, the ability of the example 3 to reduce the size change rate can be greatly improved by 62%, and the ability of the example 4 to reduce the size change rate can be greatly improved by 83%.

[0130] Further, the size change rate of the waterproof roll material is greatly reduced from ≤0.7% required by the standard (national standard GB18242-2008) to below 0.3%, even to 0.08%, so as to solve the short edge shrinkage problem of the modified asphalt waterproof roll material, and prevent the water leakage problem caused by the short edge shrinkage of the modified asphalt waterproof roll material.

[0131] It should be further noted that the directional terms mentioned in the examples, such as "up", "down", "front", "back", "left", "right", etc., are only reference directions of the drawings, and are not intended to limit the protection scope of the utility model. Throughout the drawings, the same elements are represented by the same or similar reference numerals. When it may cause confusion in understanding the utility model, the conventional structure or configuration will be omitted.

[0132] The above describes the embodiments of the utility model. However, these embodiments are only for illustrative purposes, and are not intended to limit the scope of the utility model. Although each embodiment is described above, this does not mean that the measures in each embodiment cannot be used advantageously in combination. The scope of the utility model is defined by the appended claims and their equivalents. Without departing from the scope of the utility model, those skilled in the art can make various substitutions and modifications, and these substitutions and modifications shall fall within the scope of the utility model.

Claims

1. A tire base characterized by, Comprising: a tire base body (11); and a plurality of reinforcing fibers (12) fused in the tire base body (11), and the plurality of reinforcing fibers (12) are arranged uniformly spaced in the tire base body (11); wherein the reinforcing fibers (12) comprise metal wires (121). The reinforcing fibers (12) further comprise a glass fiber layer (122) wrapped outside the metal wires (121).

2. The tire base of claim 1, wherein, The reinforcing fibers (12) further comprise glass fiber filaments (123) twisted with the metal wires (121).

3. The tire base of claim 1, wherein, A portion of the reinforcing fibers (12) are arranged in a grid pattern with another portion of the reinforcing fibers (12).

4. The tire base of any one of claims 1 to 3, wherein, The breaking elongation of the reinforcing fibers (12) is configured to be greater than or equal to 15%; 5. The tire base of any one of claims 1 to 3, wherein, And / or, the breaking strength of the reinforcing fibers (12) is configured to be greater than or equal to 15 cN. The tire base body (11) comprises any one of a polyester tire base, a glass fiber tire base, and a reinforced polyester tire base.

6. The tire base of any one of claims 1 to 3, wherein, Comprising a first isolation layer (2), a first modified asphalt layer (3), a tire base layer (1), a second modified asphalt layer (4), and a second isolation layer (5) stacked from bottom to top.

7. A waterproofing membrane comprising the mat according to any one of claims 1 to 6, characterized in that The waterproof roll material has a first edge (61) extending in a first direction and a second edge (62) extending in a second direction, the first direction being orthogonal to the second direction; 8. The waterproofing membrane of claim 7, wherein, Wherein the length of the first edge (61) is less than the length of the second edge (62), and the extension direction of at least a portion of the reinforcing fibers (12) in the tire base layer (1) forms an angle with the first direction. The tire base layer (1) comprises a plurality of first reinforcing fibers (12a), the plurality of first reinforcing fibers (12a) extending in the second direction and arranged spaced in the first direction.

9. The waterproofing membrane of claim 8, wherein, The tire base layer (1) further comprises a plurality of second reinforcing fibers (12b), the plurality of second reinforcing fibers (12b) extending in the first direction and arranged spaced in the second direction; 10. The waterproofing membrane of claim 9, wherein, Wherein the first reinforcing fibers (12a) serve as warp threads, the second reinforcing fibers (12b) serve as weft threads, and the intersecting portions of the first reinforcing fibers (12a) and the second reinforcing fibers (12b) are staggered and overlapped. ​

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