CN216890764U

CN216890764U - Composite waterproof coiled material

Info

Publication number: CN216890764U
Application number: CN202123113510.4U
Authority: CN
Inventors: 田继斌
Original assignee: Hebei Yuyang Zeli Waterproof Material Co ltd
Current assignee: Hebei Yuyang Zeli Waterproof Material Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-05
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a composite waterproof coiled material which comprises a first waterproof layer and a second waterproof layer which are bonded together, wherein the first waterproof layer comprises an anti-sticking layer, a first bonding layer and a first waterproof main body layer which are sequentially arranged, and the first waterproof main body layer is bonded with the second waterproof layer through a second bonding layer. The composite waterproof coiled material improves the waterproof effect, shortens the construction period and reduces the construction cost.

Description

Composite waterproof coiled material

Technical Field

The utility model relates to the technical field of waterproof coiled materials, in particular to a composite waterproof coiled material.

Background

The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.

At present, in places with low waterproof requirements, the waterproof requirements can be met by laying one layer of waterproof coiled material, and under the condition of high waterproof requirements, two layers of waterproof coiled materials need to be laid so as to achieve a good waterproof effect. Under the condition, in the construction process, a layer of waterproof coiled material needs to be laid, and then a layer of waterproof coiled material needs to be laid on the layer of waterproof coiled material.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a composite waterproof roll, which improves the waterproof effect, shortens the construction period and reduces the construction cost.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a composite waterproof coiled material, is including bonding first waterproof layer and second waterproof layer together, first waterproof layer is including the antiseized layer, first adhesive linkage and the first waterproof main part layer that set gradually, first waterproof main part layer through the second adhesive linkage with the second waterproof layer bonds.

Optionally, the second waterproof layer includes first polymer enhancement layer, second from viscose layer and isolation rete that sets gradually, first polymer enhancement layer is kept away from the one side on second from viscose layer with first waterproof main part layer bonds.

Optionally, the first polymer reinforced layer is a cross-laminated film or a PET layer.

Optionally, the first waterproof main body layer is a first polymer layer, and the material of the first polymer layer is one of TPO, LLDPE, HDPE, or EVA;

and a barrier film is arranged on the surface of the first polymer layer.

Optionally, the second waterproof layer includes a second polymer layer, and the material of the second polymer layer is one of TPO, LLDPE, HDPE, or EVA;

and a barrier film is arranged on the surface of the second polymer layer.

Optionally, the first waterproof main body layer is a second polymer reinforced layer, and the second polymer reinforced layer is a cross-laminated film or a PET layer.

Optionally, the second adhesive layer is a first self-adhesive layer, and the first adhesive layer is a non-asphalt pressure-sensitive adhesive layer or a second self-adhesive layer.

Optionally, the anti-sticking layer is a PE film layer, a mineral sand layer, a fiber geotextile layer, or an anti-sticking coating layer, and the material of the mineral sand layer is one of quartz sand, mullite sand, or sintered sand.

Alternatively, the release coating may be formed by extrusion, spray coating, and then drying.

Optionally, one end of the waterproof roll is provided with a first overlapping end, the other end of the waterproof roll is provided with a second overlapping end, the anti-sticking layer is removed from the first overlapping end, the width of the first overlapping end is 8-10mm, the second overlapping end is of an overlapping opening structure, and the width of the overlapping opening structure corresponds to the width of the first overlapping end;

the lapping opening structure is arranged between the first waterproof layer and the second waterproof layer, and the first lapping end of one waterproof roll is inserted into the lapping opening structure of the adjacent waterproof roll and then fixedly connected;

the fixed connection is bonding or heat-seal welding.

According to the technical scheme, the composite waterproof coiled material comprises the first waterproof layer and the second waterproof layer, and the waterproof coiled material is provided with the two waterproof layers, so that the effect of laying the two waterproof layers can be realized only by laying the waterproof coiled material once, the waterproof effect is good, and compared with the prior art that the two waterproof layers need to be constructed and laid twice, the waterproof coiled material shortens the construction period, reduces the construction cost and improves the construction efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a composite waterproof roll according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a composite waterproof roll according to another embodiment of the present invention.

Wherein:

1. antiseized layer, 2, first adhesive linkage, 3, first waterproof main part layer, 4, second adhesive linkage, 5, first polymer enhancement layer, 6, second are from the adhesive linkage, 7, isolation rete, 8, second polymer layer.

Detailed Description

The utility model discloses a composite waterproof coiled material, which improves the waterproof effect, shortens the construction period and reduces the construction cost.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, the composite waterproof roll of the present invention includes a first waterproof layer and a second waterproof layer bonded together. First waterproof layer is including antiseized layer 1, first adhesive linkage 2 and the first waterproof main part layer 3 that sets gradually, first waterproof main part layer 3 through second adhesive linkage 4 with the bonding of second waterproof layer.

Wherein, antiseized layer 1 is used for avoiding bonding together when waterproofing membrane coils into big book to the waterproofing membrane who is convenient for big book is opened and is used. The first adhesive layer 2 is used to adhere the release layer 1 to the first waterproof body layer 3. The second waterproof layer is connected with the first waterproof main body layer 3 through the second bonding layer 4, so that the composite waterproof roll material provided by the utility model has two waterproof layers.

The composite waterproof roll comprises the first waterproof layer and the second waterproof layer, and the waterproof roll is provided with the two waterproof layers, so that the effect of laying the two waterproof layers can be realized only by laying the waterproof roll once, the waterproof effect is good, and compared with the prior art that two waterproof layers need to be constructed and laid twice, the waterproof roll shortens the construction period, reduces the construction cost and improves the construction efficiency.

In one embodiment, as shown in fig. 1, the second adhesive layer 4 is a first self-adhesive layer, and the first adhesive layer 2 is a non-asphalt pressure sensitive adhesive layer, which is formed by coating a non-asphalt pressure sensitive adhesive in the prior art. The second waterproof layer is including the first polymer enhancement layer 5, the second that set gradually from viscose layer 6 and isolation rete 7, and the one side that the second was kept away from viscose layer 6 in first polymer enhancement layer 5 bonds with first waterproof main part layer 3. Further, the first polymer reinforcing layer 5 is a cross-laminated film or a PET layer.

The first waterproof main body layer 3 is a first polymer layer made of one of TPO, LLDPE, HDPE and EVA. In order to avoid that the oil in the adjacent non-asphalt pressure sensitive adhesive layer and self-adhesive layer migrates and infiltrates into the first polymer layer, which is the first barrier modified polymer layer or the surface of which is provided with a barrier film (not shown), thereby causing delamination of the coil and reducing the service life of the coil. The barrier film is a purchasing film and is an existing product.

The main material of the first barrier modified macromolecule layer is one of TPO, LLDPE, HDPE or EVA, and the TPO, LLDPE, HDPE or EVA is modified by DuPont SerrarB resin to be made into the first barrier modified macromolecule layer. Wherein the mass fraction of the SelarRB resin is 10-30%.

In one embodiment, the serrarb resin modified HDPE resin: the melt index of the selected HDPE is 7-15 g/10min, the mass fraction of the HDPE is 90%, the mass fraction of the SelarRB is 10%, the HDPE and the SelarRB are mixed and then added into a double-screw extruder, the mixture is subjected to melt extrusion through a screw, and then is subjected to calendaring molding through a three-roller calendar and is cooled to form the first barrier modified high polymer layer.

In another embodiment, the serrarb resin modified EVA resin: the melt index of the selected EVA resin is 0.5-3 g/10min, the mass fraction of the EVA resin is 80%, the mass fraction of the SelarRB is 20%, the EVA resin and the SelarRB are mixed and then added into a double-screw extruder, the mixture is subjected to melt extrusion through a screw, and then is subjected to calendaring molding through a three-roller calendar and is cooled to form the first barrier modified macromolecule layer.

In yet another embodiment, the serarorb resin modified TPO resin: the selected TPO is ethylene propylene or ethylene octene copolymer, the mass fraction of TPO resin is 70%, the mass fraction of SelarRB is 30%, the TPO resin and SelarRB are mixed and then added into a double-screw extruder, and the mixture is melted and extruded by a screw, then is calendered and molded by a three-roll calender and is cooled to form the first barrier modified high molecular layer.

Specifically, the anti-sticking layer 1 is a PE film layer, a mineral sand layer, a fiber geotextile layer or an anti-sticking coating, and the mineral sand layer is made of one of quartz sand, mullite sand or sintered sand.

The execution standard of the material of the first waterproof layer is GB 27789-2011 thermoplastic polyolefin waterproof coiled material or GB 18173.1-2012 1 st section sheet of polymer waterproof material, and the execution standard of the material of the second waterproof layer is GB 23441-2009 self-adhesive polymer modified asphalt waterproof coiled material.

In order to facilitate the connection between the different waterproofing membranes, one end of the waterproofing membrane is provided with a first overlapping end A, and the other end is provided with a second overlapping end B. As shown in fig. 1, the anti-sticking layer 1 and the first adhesive layer 2 are removed from the upper surface of the first overlapping end a (left end), the barrier film layer 7 is removed from the lower surface of the first overlapping end a (left end), and the width of the first overlapping end a is 8-10mm, that is, the left-end removal width of the anti-sticking layer 1 and the first adhesive layer 2 is 8-10mm, and the left-end removal width of the barrier film layer 7 is 8-10 mm. The second lap joint end B is of a lap joint opening structure, and the width of the lap joint opening structure corresponds to that of the first lap joint end A. The lap joint opening of the second lap joint end B is provided between the first waterproof main body layer 3 and the second adhesive layer 4, and thus, during connection, the first lap joint end a is inserted into the lap joint opening of the second lap joint end B, and the contact surface of the first lap joint end a and the second lap joint end B is welded by gluing or heating.

In order to avoid the first waterproof main body layer 3 and the second adhesive layer 4 of overlap joint open structure department bond together, the surface subsides of the second adhesive layer 4 of overlap joint open structure department are equipped with the surface barrier film, the barrier film of surface barrier film for purchase, and the material is PP or PE.

In another embodiment, as shown in fig. 2, the second waterproof layer includes a second polymer layer 8, and the material of the second polymer layer 8 is one of TPO, LLDPE, HDPE, and EVA. The surface of the second polymer layer 8 is provided with a barrier film or a second barrier modified polymer layer, and the barrier film has the same function as the barrier film in the above embodiment. Wherein, first waterproof main part layer 3 is the second polymer enhancement layer, the second polymer enhancement layer is cross laminated film or PET layer. The second adhesive layer 4 is a first self-adhesive layer, and the first adhesive layer 2 is a second self-adhesive layer. The material and the manufacturing method of the second barrier modified polymer layer refer to the first barrier modified polymer layer, and are not described herein again.

The execution standard of the first waterproof layer is GB 23441-2009 self-adhesive polymer modified asphalt waterproof coiled material, and the execution standard of the second waterproof layer is GB 27789-2011 thermoplastic polyolefin waterproof coiled material or GB 18173.1-2012 1 st part sheet of high polymer waterproof material.

In order to facilitate the connection between the different waterproofing membranes, one end of the waterproofing membrane is provided with a first overlapping end A, and the other end is provided with a second overlapping end B. As shown in fig. 2, the release layer 1 is removed from the upper surface of the first overlapping end a (left end), and the width of the first overlapping end a is 8-10mm, that is, the left end removal width of the release layer 1 is 8-10 mm. The second lap joint end B is of a lap joint opening structure, and the width of the lap joint opening structure corresponds to that of the first lap joint end A. The overlap joint opening setting of second overlap joint end B is between second adhesive linkage 4 and second high molecular layer 8, and during the connection, first overlap joint end A inserts in the overlap joint opening of second overlap joint end B, and first overlap joint end A passes through cementing or heat welding with second overlap joint end B's contact surface.

When the composite waterproof roll is prepared, the first waterproof layer and the second waterproof layer are compounded through rolling, and the lap joint edges are reserved to prepare the waterproof roll with the double-layer structure.

The composite waterproof coiled material has two waterproof materials, namely the high-molecular enhancement layer and the high-molecular layer, so that two waterproof effects are achieved, the edges of different waterproof coiled materials are connected in a lap-joint and meshed mode, the waterproof effect is better, the construction is more convenient, and the laying of two layers of waterproof can be achieved through one-time construction.

In the description of the present solution, it is to be understood that the terms "upper", "lower", "vertical", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present solution.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this embodiment, "a plurality" means two or more unless specifically limited otherwise.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The composite waterproof roll is characterized by comprising a first waterproof layer and a second waterproof layer which are bonded together, wherein the first waterproof layer comprises an anti-sticking layer, a first bonding layer and a first waterproof main body layer which are sequentially arranged, and the first waterproof main body layer is bonded with the second waterproof layer through the second bonding layer;

one end of the waterproof roll is provided with a first overlapping end, the other end of the waterproof roll is provided with a second overlapping end, the anti-sticking layer is removed from the first overlapping end, the second overlapping end is of an overlapping opening structure, and the width of the overlapping opening structure corresponds to that of the first overlapping end; the lap joint opening structure is arranged between the first waterproof layer and the second waterproof layer.

2. The composite waterproof roll according to claim 1, wherein the second waterproof layer includes a first polymer reinforcing layer, a second self-adhesive layer and an isolation film layer, which are sequentially disposed, and one surface of the first polymer reinforcing layer, which is far away from the second self-adhesive layer, is bonded to the first waterproof main body layer.

3. The composite waterproof roll according to claim 2, wherein the first polymer reinforcing layer is a cross-laminated film or a PET layer.

4. The composite waterproof roll according to claim 2 or 3, characterized in that the first waterproof main body layer is a first polymer layer, and the material of the first polymer layer is one of TPO, LLDPE, HDPE and EVA;

and a barrier film is arranged on the surface of the first polymer layer.

5. The composite waterproof roll according to claim 1, wherein the second waterproof layer comprises a second polymer layer, and the material of the second polymer layer is one of TPO, LLDPE, HDPE or EVA;

and a barrier film is arranged on the surface of the second macromolecule layer.

6. The composite waterproof roll according to claim 5, wherein the first waterproof main body layer is a second polymer reinforcing layer, and the second polymer reinforcing layer is a cross-laminated film or a PET layer.

7. The composite waterproof roll material according to claim 1, wherein the second adhesive layer is a first self-adhesive layer, and the first adhesive layer is a non-asphalt pressure-sensitive adhesive layer or a second self-adhesive layer.

8. The composite waterproof roll according to claim 1, wherein the release layer is a PE film layer, a mineral sand layer, a fiber geotextile layer or a release coating layer, and the material of the mineral sand layer is one of quartz sand, mullite sand or sintered sand.

9. The composite waterproof roll according to claim 8, wherein the release coating is formed by extrusion, spray coating and drying.

10. The composite waterproofing roll according to claim 1, wherein the width of the first overlapping end is 8 to 10 mm;

the first overlapping end of one waterproof coiled material is inserted into the overlapping opening structure of the adjacent waterproof coiled material and then fixedly connected;

the fixed connection is bonding or heat-seal welding.