Waterproof coiled material

Abstract

The utility model belongs to the technical field of waterproof coiled materials, and particularly relates to a waterproof coiled material which comprises a first waterproof layer, a second waterproof layer and a transition bonding layer, the transition bonding layer is bonded between the first waterproof layer and the second waterproof layer, the transition bonding layer comprises a main body part and a first lap joint part, and the first lap joint part is connected with the first waterproof layer. The first lap joint part comprises a first lap joint edge and a second lap joint edge, the first lap joint edge and the second lap joint edge are both connected with the main body part, and a first lap joint cavity is formed between the end, away from the main body part, of the first lap joint edge and the end, away from the main body part, of the second lap joint edge. The lap joint area of the two coiled materials is increased, so that the lap joint strength between the coiled materials is improved, in addition, the first lap joint edge and the second lap joint edge belong to transition bonding layers and belong to the same material, the lap joint strength of the lap joint seam can be further improved, the reliability and safety of the coiled materials are improved, and the permeability is reduced.

Description

Technical Field

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

[0002] Waterproof membrane is a waterproof material product made by impregnating asphalt or polymer waterproof materials on the base. Waterproof membrane is mainly used for building walls, roofs, tunnels, roads, landfills, etc. It is a flexible building material product that can be rolled into a roll to resist external rainwater and groundwater leakage.

[0003] In building waterproofing projects, waterproofing rolls are overlapped with each other during construction to form a large area of ​​complete waterproof layer. Therefore, the construction quality of the joints directly affects the final use effect of the waterproof layer. It can be said that most water leaks occur at the joints of the waterproof layer. The existing overlap of rolls is to reserve an overlap on one side of the long side of the roll, and during construction, the other side of another roll is overlapped on the reserved side. The overlap method is simple.

[0004] However, the existing waterproof membrane has a small safety factor when overlapping and is affected by the construction ability of on-site workers, so its safety and reliability are low. Summary of the invention

[0005] The technical problem to be solved by the utility model is to provide a waterproof coiled material in view of the problem that the existing coiled materials have a small protection coefficient when overlapped, and have low safety and reliability.

[0006] In order to solve the above technical problems, the embodiment of the utility model provides a waterproof roll material, comprising a first waterproof layer, a second waterproof layer and a transition adhesive layer, wherein the transition adhesive layer is bonded between the first waterproof layer and the second waterproof layer;

[0007] The transition adhesive layer includes a main body and a first overlapping portion, the first overlapping portion includes a first overlapping edge and a second overlapping edge, the first overlapping edge and the second overlapping edge are both connected to the main body, and a first overlapping cavity is formed between an end of the first overlapping edge away from the main body and an end of the second overlapping edge away from the main body.

[0008] Optionally, the transition adhesive layer also includes a second overlapping portion, which is connected to an end of the main body away from the first overlapping portion, and the second overlapping portion includes a third overlapping edge and a fourth overlapping edge, an end of the third overlapping edge close to the main body is connected to the main body, and an end of the fourth overlapping edge close to the main body is connected to the main body, and a second overlapping cavity is formed between an end of the third overlapping edge away from the main body and an end of the fourth overlapping edge away from the main body.

[0009] Optionally, the first overlapping portion further includes a first isolation membrane and a second isolation membrane, the first isolation membrane is bonded to the first overlapping edge, and the second isolation membrane is bonded to the second overlapping edge.

[0010] Optionally, the second overlapping portion further includes a third isolation membrane and a fourth isolation membrane, the third isolation membrane is bonded to the third overlapping edge, and the fourth isolation membrane is bonded to the fourth overlapping edge.

[0011] Optionally, the transition adhesive layer is a self-adhesive layer or a hot-melt adhesive layer.

[0012] Optionally, the first waterproof layer includes a first protective layer, a first adhesive layer and a first tread base layer, the first adhesive layer is bonded between the first protective layer and the first tread base layer, and the first tread base layer is bonded to a side of the transition adhesive layer facing away from the second waterproof layer.

[0013] Optionally, the first adhesive layer is a self-adhesive layer or a hot-melt adhesive layer.

[0014] Optionally, the first tread layer is made of a material with high ductility.

[0015] Optionally, the second waterproof layer includes a second protective layer, a second adhesive layer and a second tread base layer, the second adhesive layer is bonded between the second protective layer and the second tread base layer, and the second tread base layer is bonded to the side of the transition adhesive layer facing away from the first waterproof layer.

[0016] Optionally, the second bonding layer is a self-adhesive layer or a hot-melt adhesive layer, and the second tread base layer is made of a high-strength material.

[0017] According to the waterproof membrane of the embodiment of the utility model, a first overlapping cavity is set between the first overlapping edge and the second overlapping edge of the first overlapping portion. When the membrane is constructed, the other end of another waterproof membrane can be inserted into the first overlapping cavity, and the first overlapping edge and the second overlapping edge are bonded to the opposite sides of the other waterproof membrane to form a two-layer overlapping structure at the overlap of the two membranes, thereby increasing the overlapping area of ​​the two membranes and improving the overlapping strength between the membranes. In addition, the first overlapping edge and the second overlapping edge both belong to the transition adhesive layer and belong to the same material, thereby being able to further improve the overlapping strength at the overlapping seam, thereby improving the reliability and safety of the membrane and reducing the permeability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a waterproof roll provided by an embodiment of the utility model;

[0019] Figure 2 This is a schematic structural diagram of the waterproof membrane provided in the second embodiment of the utility model.

[0020] The figure numbers in the specification are as follows: 1. first protective layer; 2. first bonding layer; 3. first tread base layer; 4. second protective layer; 5. second bonding layer; 6. second tread base layer; 7. transition bonding layer; 8. main body; 9. first overlapping portion; 10. first overlapping edge; 11. first insulating film; 12. second overlapping edge; 13. second insulating film; 14. first overlapping cavity; 15. second overlapping portion; 16. third overlapping edge; 17. third insulating film; 18. fourth overlapping edge; 19. fourth insulating film; 20. second overlapping cavity; 21. first section; 22. second section. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] like Figure 1 As shown, an embodiment of the utility model provides a waterproof roll material, including a first waterproof layer, a second waterproof layer and a transition adhesive layer 7, wherein the transition adhesive layer 7 is bonded between the first waterproof layer and the second waterproof layer.

[0023] The transition adhesive layer 7 includes a main body 8 and a first overlapping portion 9, the first overlapping portion 9 includes a first overlapping edge 10 and a second overlapping edge 12, the first overlapping edge 10 and the second overlapping edge 12 are both connected to the main body 8, and a first overlapping cavity 14 is formed between an end of the first overlapping edge 10 away from the main body 8 and an end of the second overlapping edge 12 away from the main body 8.

[0024] A first overlapping cavity 14 is provided between the first overlapping edge 10 and the second overlapping edge 12 of the first overlapping portion 9. During the construction of the membrane, the other end of another waterproof membrane can be inserted into the first overlapping cavity 14, and the first overlapping edge 10 and the second overlapping edge 12 can be bonded to the opposite sides of the other waterproof membrane to form a two-layer overlapping structure at the overlapping portion of the two membranes, thereby increasing the overlapping area of ​​the two membranes and improving the overlapping strength between the membranes. In addition, the first overlapping edge 10 and the second overlapping edge 12 both belong to the transition adhesive layer 7 and are made of the same material, thereby further improving the overlapping strength at the overlapping seam, improving the reliability and safety of the membrane and reducing the permeability.

[0025] The transition adhesive layer 7 can be an ion bond grade self-adhesive layer. When bonding, the first overlapping edge 10 and the second overlapping edge 12 of the first waterproof membrane can be directly pressed on both sides of the other waterproof membrane. The transition adhesive layer 7 can also be a hot melt adhesive layer, which is bonded by heating first and then bonding.

[0026] In one embodiment, the first overlapping portion 9 further includes a first isolation film 11 and a second isolation film 13 , wherein the first isolation film 11 is bonded to the first overlapping edge 10 , and the second isolation film 13 is bonded to the second overlapping edge 12 .

[0027] In one embodiment, the first waterproof layer includes a first protective layer 1, a first bonding layer 2 and a first tread base layer 3, the first bonding layer 2 is bonded between the first protective layer 1 and the first tread base layer 3, and the first tread base layer 3 is bonded to the side of the transition bonding layer 7 facing away from the second waterproof layer.

[0028] The first bonding layer 2 is a self-adhesive layer or a hot-melt adhesive layer, and the first tread base layer 3 is made of a material with high ductility.

[0029] The second waterproof layer includes a second protective layer 4, a second adhesive layer 5 and a second tread base layer 6. The second adhesive layer 5 is bonded between the second protective layer 4 and the second tread base layer 6. The second tread base layer 6 is bonded to the side of the transition adhesive layer 7 facing away from the first waterproof layer. The second adhesive layer 5 is a self-adhesive layer or a hot-melt adhesive layer. The second tread base layer 6 is made of a high-strength material.

[0030] In this embodiment, the first isolation membrane 11 and the second isolation membrane 13 are both silicone oil membranes, the first protective layer 1 includes a first section 21 and a second section 22, the first section 21 is made of fiber reinforced material or non-inorganic material, the second section 22 is a silicone oil isolation membrane, the second section 22 is bonded to the end of the first bonding layer 2 away from the first lap cavity 14, and the second protective layer 4 is made of cooling and heat insulating material.

[0031] The utility model provides a waterproof roll material. During construction, a plurality of waterproof roll materials are pre-laid.

[0032] Of the two adjacent waterproof membranes, the first overlapping edge 10 and the second overlapping edge 12 of the first waterproof membrane are first separated to expose the first overlapping cavity 14, and one end of the second waterproof membrane is inserted into the first overlapping cavity 14 of the first waterproof membrane.

[0033] Then align the first waterproof membrane and the second waterproof membrane.

[0034] Then, the first isolation film 11 on the first waterproofing membrane and the first protective layer 1 of the second waterproofing membrane are torn off. It should be noted that, in this embodiment, only the second section 22 of the first protective layer 1 is torn off.

[0035] Then, the first overlapping edge 10 of the first waterproof membrane is bonded to one side surface of the second waterproof membrane, that is, the first overlapping edge 10 of the first waterproof membrane is bonded to the first adhesive layer 2 of the second waterproof membrane. During this process, if the transition adhesive layer 7 and the first adhesive layer 2 are made of self-adhesive glue, the first overlapping edge 10 of the first waterproof membrane can be directly pressed on the first adhesive layer 2 of the second waterproof membrane. If the transition adhesive layer 7 and the first adhesive layer 2 are made of hot melt adhesive, it is necessary to first heat the first overlapping edge 10 of the first waterproof membrane and the first adhesive layer 2 of the second waterproof membrane, and then bond the first overlapping edge 10 to the first adhesive layer 2.

[0036] Then the second isolation film 13 on the first waterproof membrane and the second protective layer 4 of the second waterproof membrane are torn off. It should be noted that the length of the torn off second protective layer 4 is consistent with the length of the second overlapping edge 12 of the first waterproof membrane.

[0037] Then, the second overlapping edge 12 of the first waterproof membrane is bonded to the other side surface of the second waterproof membrane, that is, the second overlapping edge 12 of the first waterproof membrane is bonded to the second adhesive layer 5 of the second waterproof membrane. In this process, if the transition adhesive layer 7 and the second adhesive layer 5 are made of self-adhesive glue, the second overlapping edge 12 of the first waterproof membrane can be directly pressed on the second adhesive layer 5 of the second waterproof membrane. If the transition adhesive layer 7 and the second adhesive layer 5 are made of hot melt adhesive, it is necessary to first heat the second overlapping edge 12 of the first waterproof membrane and the second adhesive layer 5 of the second waterproof membrane, and then bond the first overlapping edge 10 to the first adhesive layer 2.

[0038] Finally, compact the first waterproof membrane and the second waterproof membrane.

[0039] A first overlapping cavity 14 is provided between the first overlapping edge 10 and the second overlapping edge 12 of the first overlapping portion 9. During the construction of the membrane, the other end of another waterproof membrane can be inserted into the first overlapping cavity 14, and the first overlapping edge 10 and the second overlapping edge 12 can be bonded to the opposite sides of the other waterproof membrane to form a two-layer overlapping structure at the overlapping portion of the two membranes, thereby increasing the overlapping area of ​​the two membranes and improving the overlapping strength between the membranes. In addition, the first overlapping edge 10 and the second overlapping edge 12 both belong to the transition adhesive layer 7 and are made of the same material, thereby further improving the overlapping strength at the overlapping seam, improving the reliability and safety of the membrane and reducing the permeability.

[0040] The second embodiment of the utility model provides a waterproof roll material, such as Figure 2 As shown, it includes a first waterproof layer, a second waterproof layer and a transition adhesive layer 7, and the transition adhesive layer 7 is bonded between the first waterproof layer and the second waterproof layer.

[0041] The transition adhesive layer 7 includes a main body 8 and a first overlapping portion 9, the first overlapping portion 9 includes a first overlapping edge 10 and a second overlapping edge 12, the first overlapping edge 10 and the second overlapping edge 12 are both connected to the main body 8, and a first overlapping cavity 14 is formed between an end of the first overlapping edge 10 away from the main body 8 and an end of the second overlapping edge 12 away from the main body 8.

[0042] The transition adhesive layer 7 also includes a second overlapping portion 15, which is connected to an end of the main body 8 away from the first overlapping portion 9. The second overlapping portion 15 includes a third overlapping edge 16 and a fourth overlapping edge 18. An end of the third overlapping edge 16 close to the main body 8 is connected to the main body 8, and an end of the fourth overlapping edge 18 close to the main body 8 is connected to the main body 8. A second overlapping cavity 20 is formed between an end of the third overlapping edge 16 away from the main body 8 and an end of the fourth overlapping edge 18 away from the main body 8.

[0043] The transition adhesive layer 7 may be an ionomeric self-adhesive layer, and the first waterproof membrane and the second waterproof membrane are directly bonded. The transition adhesive layer 7 may also be a hot melt adhesive layer, and the bonding is performed by heating first and then bonding.

[0044] In one embodiment, the first overlap portion 9 further includes a first isolation film 11 and a second isolation film 13, wherein the first isolation film 11 is bonded to the first overlap edge 10, and the second isolation film 13 is bonded to the second overlap edge 12, and the second overlap portion 15 further includes a third isolation film 17 and a fourth isolation film 19, wherein the third isolation film 17 is bonded to the third overlap edge 16, and the fourth isolation film 19 is bonded to the fourth overlap edge 18.

[0045] In one embodiment, the first waterproof layer includes a first protective layer 1, a first bonding layer 2 and a first tread base layer 3, the first bonding layer 2 is bonded between the first protective layer 1 and the first tread base layer 3, and the first tread base layer 3 is bonded to the side of the transition bonding layer 7 facing away from the second waterproof layer.

[0046] The first waterproof layer is a three-layer structure. The first protective layer 1 is made of fiber-reinforced material. The first bonding layer 2 can be a waterproof ion-bond-grade self-adhesive layer or a hot-melt adhesive layer. The first base layer 3 is made of a material with high ductility, which can provide good ductility for the waterproof roll material, facilitate stretching, and not easy to break. In addition, the three-layer structure can provide better waterproof performance for the first waterproof layer.

[0047] The second waterproof layer includes a second protective layer 4, a second adhesive layer 5 and a second base ply 6. The second adhesive layer 5 is bonded between the second protective layer 4 and the second base ply 6, and the second base ply 6 is bonded to the side of the transition adhesive layer 7 facing away from the first waterproof layer.

[0048] The second waterproof layer has a three-layer structure. The second protective layer 4 is made of a material with both heat dissipation and heat insulation and waterproof properties. The second adhesive layer 5 can be a waterproof ionic bond self-adhesive layer or a hot melt adhesive layer. The second base ply 6 is made of a material with high strength, which can improve the overall strength of the waterproof coil. In addition, the three-layer structure can provide better waterproof performance for the second waterproof layer.

[0049] For the waterproof coil provided by the second embodiment of the present invention, during construction, multiple waterproof coils are pre-laid first.

[0050] For two adjacent waterproof coils, separate the first overlap edge 10 and the second overlap edge 12 of the first waterproof coil to expose its first overlap cavity 14, and separate the third overlap edge 16 and the fourth overlap edge 18 of the second waterproof coil to expose its second overlap cavity 20.

[0051] Insert the third overlap edge 16 of the second waterproof coil into the first overlap cavity 14 of the first waterproof coil. It is necessary to insert both the third overlap edge 16 of the second waterproof coil and the first waterproof layer into the first overlap cavity 14 of the first waterproof coil.

[0052] Insert the second overlap edge 12 of the first waterproof coil into the second overlap cavity 20 of the second waterproof coil. It is necessary to insert both the second overlap edge 12 of the first waterproof coil and the second waterproof layer into the second overlap cavity 20 of the second waterproof coil.

[0053] Then align the first waterproof coil and the second waterproof coil;

[0054] Then tear off the second release film 13 on the first waterproof coil and the third release film 17 on the second waterproof coil.

[0055] After that, bond the third overlap edge 16 of the second waterproof coil to the second overlap edge 12 of the first waterproof coil. During this process, if the transition adhesive layer 7 uses a self-adhesive, directly press the third overlap edge 16 of the second waterproof coil onto the second overlap edge 12 of the first waterproof coil. If the transition adhesive layer 7 uses a hot melt adhesive, it is necessary to heat the third overlap edge 16 of the second waterproof coil and the second overlap edge 12 of the first waterproof coil first, and then bond the third overlap edge 16 of the second waterproof coil to the second overlap edge 12 of the first waterproof coil.

[0056] Then tear off the second protective layer 4 on the first waterproof membrane and the fourth isolation film 19 of the second waterproof membrane. It should be noted that the length of the torn second protective layer 4 of the first waterproof membrane is consistent with the length of the fourth overlapping edge 18 of the second waterproof membrane.

[0057] The surface of the first waterproof membrane facing away from its own second overlap edge 12 is bonded to the fourth overlap edge 18 of the second waterproof membrane, that is, the second adhesive layer 5 of the first waterproof membrane is bonded to the fourth overlap edge 18 of the second waterproof membrane. If the transition adhesive layer 7 and the second adhesive layer 5 are made of self-adhesive glue, the second adhesive layer 5 of the first waterproof membrane can be directly pressed on the fourth overlap edge 18 of the second waterproof membrane. If the transition adhesive layer 7 and the second adhesive layer 5 are made of hot melt adhesive, it is necessary to first heat the first adhesive layer 2 of the first waterproof membrane and the fourth overlap edge 18 of the second waterproof membrane, and then bond the first adhesive layer 2 of the first waterproof membrane to the fourth overlap edge 18 of the second waterproof membrane.

[0058] Then the first isolation film 11 on the first waterproof membrane and the first protective layer 1 of the second waterproof membrane are torn off. It should be noted that the length of the torn off first protective layer 1 of the second waterproof membrane is consistent with the length of the first isolation film 11 of the first waterproof membrane.

[0059] The first overlapping edge 10 of the first waterproof membrane is bonded to the side surface of the second waterproof membrane facing away from its third overlapping edge 16, that is, the first overlapping edge 10 of the first waterproof membrane is bonded to the first adhesive layer 2 of the second waterproof membrane. If the transition adhesive layer 7 and the first adhesive layer 2 are made of self-adhesive glue, the first overlapping edge 10 of the first waterproof membrane can be directly pressed on the first adhesive layer 2 of the second waterproof membrane. If the transition adhesive layer 7 and the first adhesive layer 2 are made of hot melt adhesive, it is necessary to first heat the first overlapping edge 10 of the first waterproof membrane and the first adhesive layer 2 of the second waterproof membrane, and then bond the first overlapping edge 10 of the first waterproof membrane to the first adhesive layer 2 of the second waterproof membrane.

[0060] Finally, compact the first waterproof membrane and the second waterproof membrane.

[0061] The waterproof roll material provided in this embodiment can form a three-layer overlapping structure at the overlapping part of two roll materials during the roll material construction, thereby increasing the overlapping area of ​​the two roll materials, thereby improving the overlapping strength between the roll materials, improving the reliability and safety of the roll materials, and reducing the permeability.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A waterproof roll material, characterized in that: It comprises a first waterproof layer, a second waterproof layer and a transition adhesive layer (7), wherein the transition adhesive layer (7) is bonded between the first waterproof layer and the second waterproof layer; The transition adhesive layer (7) comprises a main body (8) and a first overlapping portion (9), the first overlapping portion (9) comprising a first overlapping edge (10) and a second overlapping edge (12), the first overlapping edge (10) and the second overlapping edge (12) are both connected to the main body (8), and a first overlapping cavity (14) is formed between an end of the first overlapping edge (10) away from the main body (8) and an end of the second overlapping edge (12) away from the main body (8).

2. The waterproof coiled material according to claim 1, characterized in that: The transition adhesive layer (7) further comprises a second overlapping portion (15), wherein the second overlapping portion (15) is connected to an end of the main body (8) away from the first overlapping portion (9), and the second overlapping portion (15) comprises a third overlapping edge (16) and a fourth overlapping edge (18), wherein an end of the third overlapping edge (16) close to the main body (8) is connected to the main body (8), and an end of the fourth overlapping edge (18) close to the main body (8) is connected to the main body (8), and a second overlapping cavity (20) is formed between an end of the third overlapping edge (16) away from the main body (8) and an end of the fourth overlapping edge (18) away from the main body (8).

3. The waterproof coiled material according to claim 2, characterized in that: The first overlapping portion (9) further comprises a first isolation film (11) and a second isolation film (13), wherein the first isolation film (11) is bonded to the first overlapping edge (10), and the second isolation film (13) is bonded to the second overlapping edge (12).

4. The waterproof coiled material according to claim 3, characterized in that: The second overlapping portion (15) further comprises a third isolation film (17) and a fourth isolation film (19), wherein the third isolation film (17) is bonded to the third overlapping edge (16), and the fourth isolation film (19) is bonded to the fourth overlapping edge (18).

5. The waterproof coiled material according to claim 1 or 2, characterized in that: The transition adhesive layer (7) is a self-adhesive layer or a hot-melt adhesive layer.

6. The waterproof coiled material according to claim 1 or 2, characterized in that: The first waterproof layer comprises a first protective layer (1), a first adhesive layer (2) and a first tread base layer (3); the first adhesive layer (2) is bonded between the first protective layer (1) and the first tread base layer (3); and the first tread base layer (3) is bonded to a side of the transition adhesive layer (7) that is opposite to the second waterproof layer.

7. The waterproof coiled material according to claim 6, characterized in that: The first adhesive layer (2) is a self-adhesive layer or a hot-melt adhesive layer.

8. The waterproof coiled material according to claim 6, characterized in that: The first tread layer (3) is made of a material with high ductility.

9. The waterproof coiled material according to claim 1 or 2, characterized in that: The second waterproof layer comprises a second protective layer (4), a second adhesive layer (5) and a second tread base layer (6); the second adhesive layer (5) is bonded between the second protective layer (4) and the second tread base layer (6); and the second tread base layer (6) is bonded to a side of the transition adhesive layer (7) that faces away from the first waterproof layer.

10. The waterproof coiled material according to claim 9, characterized in that: The second adhesive layer (5) is a self-adhesive layer or a hot-melt adhesive layer, and the second tread base layer (6) is made of a high-strength material.

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