CN211968726U - High-molecular composite water-proof coiled material - Google Patents
High-molecular composite water-proof coiled material Download PDFInfo
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- CN211968726U CN211968726U CN202020238361.0U CN202020238361U CN211968726U CN 211968726 U CN211968726 U CN 211968726U CN 202020238361 U CN202020238361 U CN 202020238361U CN 211968726 U CN211968726 U CN 211968726U
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Abstract
The utility model discloses a compound waterproofing membrane of polymer, including geotechnological cloth, chlorinated polyethylene waterproof layer, enhancement layer, TPO waterproof layer, from viscose layer and the isolation rete that connects gradually, waterproofing membrane has combined chlorinated polyethylene waterproof layer and TPO waterproof layer, possess the advantage of two kinds of waterproof layers simultaneously, and complementary mutual shortcoming, and other composite beds also respectively have an advantage, and the fruit preferred that takes effect in the application of actual waterproof engineering of this compound waterproofing membrane of polymer consequently, and the durability is strong.
Description
Technical Field
The utility model relates to a waterproofing membrane field, more specifically relates to a compound waterproofing membrane of polymer.
Background
The waterproof roll is mainly used for building walls, building basements, bottom plates, 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 permeation, 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, the waterproof coiled materials mainly used are mainly divided into two categories, namely high polymer modified asphalt waterproof coiled materials and high polymer waterproof coiled materials. The high-molecular waterproof coiled material has excellent high and low temperature resistance, good tensile property, large elongation at break, high tearing strength, good ozone resistance and weather resistance, good chemical corrosion resistance and simple construction process: the method is suitable for single-layer and cold-bonding construction, is convenient to operate, overcomes the defects of the traditional hot construction of multi-lamination of asphalt coiled materials, asphalt boiling and sooting, reduces the environmental pollution, reduces the labor intensity of construction and improves the construction efficiency. Therefore, the polymer waterproof coiled material is in development and rising stages in the whole waterproof material industry of China and is developing vigorously.
Although the PVC waterproof coiled material has very high mechanical strength and high and low temperature resistance, the used plasticizer can migrate, so that the coiled material gradually loses flexibility and even is brittle. Although the HDPE waterproof coiled material has good high-temperature and low-temperature resistance, the HDPE waterproof coiled material is hard in material, is not suitable for complex base surface construction, has insufficient aging resistance and especially insufficient oxidation resistance when heated, and is a problem which is difficult to solve all the time.
At present, the high-molecular waterproof coiled material of the single-layer roof often needs to use the modes of on-site gluing construction, mechanical fixation and the like. The gluing construction needs on-site glue blending, brushing, alignment, bonding and other procedures, the construction period is longer, and more manpower is needed. The mechanical fixing mode needs to be used for punching and anchoring, sealing treatment is needed, the construction period is long, more manpower is needed, the sealing treatment is careless, and the sealing part is easy to cause water leakage, water seepage and other abnormalities. In the traditional process, each polymer waterproof coiled material can only appear as a product of a single material, and can only be used independently, each system is formed, and few products of composite coiled materials exist. The advantages of each coil cannot be exerted, and the disadvantages thereof are avoided. With the fact that building waterproof materials in China have certain basic conditions and scales, the polymer waterproof coiled materials are widely popularized as a class of green and environment-friendly waterproof coiled materials, and the market of the polymer waterproof coiled materials is wide. Therefore, the polymer composite coiled material combined with various materials can meet the market demand.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming above-mentioned prior art's at least one defect, provide a compound waterproofing membrane of polymer for solve the problem of present non-compound waterproofing membrane of polymer because the limitation that its material self brought.
The utility model provides a compound waterproofing membrane of polymer, including geotechnological cloth, chlorinated polyethylene waterproof layer, enhancement layer, TPO waterproof layer, from viscose layer and the isolation rete that connects gradually.
The utility model provides a compound waterproofing membrane of polymer has combined chlorinated polyethylene waterproof layer and TPO waterproof layer, possess the advantage of two kinds of waterproof layers simultaneously, and complemented mutual shortcoming, other composite beds also respectively have the advantage: the geotextile is used as a fiber backing layer of the chlorinated polyethylene waterproof layer, is mainly used for improving the tensile strength and the tensile force of the chlorinated polyethylene waterproof layer as the fiber backing layer, reducing the size change rate of the chlorinated polyethylene waterproof layer after heat treatment, and can prevent the waterproof coiled material from being cut by foreign matters such as stones, steel bar heads and the like during construction; the enhancement layer is the interior enhancement layer between chlorinated polyethylene waterproof layer and the TPO waterproof layer, can show the pulling force that increases waterproofing membrane, tear strength reduce dimensional change, avoids it to receive temperature stress and arouse fold or other outward appearances bad. During large-area construction, the coiled material can be attached to a base surface after the isolating film is torn off, and mechanical fixation or glue preparation bonding is not needed. The utility model provides a compound waterproofing membrane of polymer plays effect preferred in the application of actual waterproof engineering, and the durability is strong.
Further, the upper surface of the chlorinated polyethylene waterproof layer is divided into a chlorinated polyethylene overlapping edge area and a chlorinated polyethylene non-overlapping edge area, the chlorinated polyethylene overlapping edge area is located on one side of the upper surface of the chlorinated polyethylene waterproof layer, and the geotextile covers the chlorinated polyethylene non-overlapping edge area.
The geotextile covering cloth on the upper surface of the waterproof roll is an incomplete breadth covering cloth, the geotextile covers the chlorinated polyethylene non-overlap edge area, and the chlorinated polyethylene overlap edge area is fixed on one side of the surface of the chlorinated polyethylene waterproof layer.
Further, the lower surface of self-adhesive layer divide into self-adhesive overlap edge region and self-adhesive non-overlap edge region, self-adhesive overlap edge region is located one side of the lower surface of self-adhesive layer, the isolation layer covers self-adhesive non-overlap edge region. The isolation film layer of the waterproof roll layer covers the non-overlap edge area of the self-adhesive layer, and the overlap edge area of the self-adhesive layer is fixed on one side of the surface of the isolation film layer. When the construction, the setting up in overlap edge region makes the overlap joint between a plurality of waterproofing membrane more convenient and swift.
Further, the width range of the chlorinated polyethylene overlap edge area is between 90mm and 110mm, and the width range of the self-adhesive overlap edge area is between 90mm and 110 mm.
Further, the reinforcing layer is a fiber mesh fabric layer. The fiber mesh cloth layer is added to serve as an internal reinforcing material between the chlorinated polyethylene waterproof layer and the TPO waterproof layer, so that the consumption of CPE and TPO waterproof layer materials can be reduced, and the material cost is reduced.
Furthermore, the isolation film layer is an aluminized isolation film layer, the thickness range of the aluminized isolation film layer is 0.03 mm-0.06 mm, the aluminized isolation film has a good effect of blocking ozone, water vapor, ultraviolet rays and the like, and the film is easy to tear and extremely convenient to construct in summer.
Further, the thickness range of the geotextile is between 0.50mm and 0.80 mm.
Further, the thickness range of the chlorinated polyethylene waterproof layer is between 0.60mm +/-0.05 mm.
Furthermore, the thickness range of the fiber gridding cloth layer is between 0.05mm and 0.15 mm.
Further, the thickness range of the TPO waterproof layer is between 0.80mm +/-0.05 mm.
Furthermore, the thickness range of the self-adhesive layer is between 0.30mm and 0.40mm, the problems of loose adhesion and insufficient peel strength easily occur when the adhesive layer is thin, and material waste can be caused when the adhesive layer is excessively thick, so that the thickness range of the self-adhesive layer is optimal between 0.30mm and 0.40 mm.
Furthermore, the self-adhesive layer can be a hot-melt adhesive layer or a butyl adhesive layer, the hot-melt pressure-sensitive adhesive is a high-cohesion adhesive, the hot-melt pressure-sensitive adhesive is an adhesive block at normal temperature, is heated to form flowing glue, is coated on the surface of a base material by a coating machine, has very high cohesion, and has better ultraviolet resistance, high-temperature aging resistance and the like. .
Furthermore, the aperture of the fiber gridding cloth layer is less than or equal to 3 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the high-molecular composite waterproof coiled material combines a chlorinated polyethylene waterproof layer and a TPO waterproof layer, has the advantages of the two waterproof layers and complements the mutual defects;
(2) the geotextile as the fiber backing layer is mainly used for improving the tensile strength and the tensile force of the chlorinated polyethylene waterproof layer, reducing the size change rate of the chlorinated polyethylene waterproof layer after heat treatment, and simultaneously preventing the waterproof coiled material from being cut by foreign matters such as stones, steel bar heads and the like during construction;
(3) the fiber mesh cloth layer is used as an inner reinforcing layer between the chlorinated polyethylene waterproof layer and the TPO waterproof layer, so that the tensile force and the tear strength of the waterproof roll can be obviously increased, the size change is reduced, the phenomenon that the waterproof roll is wrinkled or has poor appearance due to temperature stress is avoided, the consumption of CPE and TPO waterproof layer materials can be reduced, and the material cost is reduced;
(4) the aluminized isolating film has good effects of blocking ozone, water vapor, ultraviolet rays and the like, is easy to tear the film, is very convenient for summer construction, can cover and paste the coiled material on a base surface after tearing the aluminized isolating film in large-area construction, and does not need mechanical fixation or glue preparation bonding.
Drawings
Fig. 1 is a schematic sectional view of the waterproof roll of the present invention.
Fig. 2 is the utility model discloses a waterproofing membrane's plane of bowing schematic diagram.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, the present embodiment provides a polymer composite waterproof roll, which includes a geotextile 1, a chlorinated polyethylene waterproof layer 2, a fiber mesh fabric layer 3, a TPO waterproof layer 4, a self-adhesive layer 5, and an aluminum-plated isolation film layer 6, which are connected in sequence. The waterproof coiled material is extruded by double extruders and double die heads, and is formed by internally arranging fiber gridding cloth and laminating geotextile, and then gluing and laminating. The chlorinated polyethylene waterproof layer 2 is extruded after being heated and plasticized by a single-screw extruder or a double-screw extruder. And the TPO waterproof layer 4 is extruded after being heated and plasticized by a single-screw extruder or a double-screw extruder. And a fiber mesh cloth 3 is added between the two waterproof layers to serve as a reinforcing material, the upper surface of the chlorinated polyethylene waterproof layer 2 is covered with a geotextile 1, and the four layers of materials are combined by using a three-roller calender and are formed by one-step combination. The lower surface of the TPO waterproof layer 4 is coated with a self-adhesive layer 5, and then coated with an aluminized separator 6. The width of the polymer composite waterproof roll provided by the embodiment is determined according to the size of a construction part.
Preferably, as shown in fig. 1 and 2, the upper surface of the chlorinated polyethylene waterproof layer 2 is divided into a chlorinated polyethylene overlap edge region 7 and a chlorinated polyethylene non-overlap edge region 8, the chlorinated polyethylene overlap edge region 7 is located at one side of the upper surface of the chlorinated polyethylene waterproof layer 2, the geotextile 1 covers the chlorinated polyethylene non-overlap edge region 8, and the width d of the chlorinated polyethylene overlap edge region 7 ranges from 90mm to 110mm, preferably, the width d may be 100 mm. Similarly, the lower surface of the self-adhesive layer 5 is divided into a self-adhesive overlapping edge area and a self-adhesive non-overlapping edge area, the self-adhesive overlapping edge area is located on one side of the lower surface of the self-adhesive layer 5, the aluminized isolating layer 6 covers the self-adhesive non-overlapping edge area, the width range of the self-adhesive overlapping edge area is between 90mm and 110mm, and preferably, the width of the self-adhesive overlapping edge area can be 100 mm.
Preferably, the geotextile 1 is 80 g/square meter-120 g/square meter, the thickness range is 0.50 mm-0.80 mm, the geotextile 1 used is nonwoven staple fiber or nonwoven long fiber polyester geotextile, the geotextile 1 is used as a fiber backing layer of the chlorinated polyethylene waterproof layer 2, the fiber backing layer is mainly used for improving the tensile strength and the tensile force of the chlorinated polyethylene waterproof layer 2, the size change rate of the chlorinated polyethylene waterproof layer 2 after heat treatment is reduced, and meanwhile, the waterproof coiled material is prevented from being broken by foreign matters such as stones, reinforcing steel bar heads and the like during construction.
Preferably, wherein the thickness of the chlorinated polyethylene waterproof layer 2 is between 0.60mm ± 0.05mm, the chlorinated polyethylene waterproof layer 2 is extruded by a single screw extruder or a single twin screw extruder through a die head in a single layer. The extrusion temperature of the chlorinated polyethylene can be 180-220 ℃, and the speed of the main machine can be 2.0-4.0 m/min.
Preferably, the fiber mesh fabric layer 3 is a woven fabric with the same warp and weft properties, the thickness ranging from 0.05mm to 0.15mm, and the pore diameter of 3mm x 3mm or less. The fiber mesh fabric layer 3 is used as an inner reinforcing layer between the chlorinated polyethylene waterproof layer 2 and the TPO waterproof layer 4, so that the tensile force and the tear strength of the waterproof roll can be obviously increased, the size change is reduced, the phenomenon that the waterproof roll is wrinkled or has poor appearance due to temperature stress is avoided, meanwhile, the consumption of CPE and TPO waterproof layer materials can be reduced, and the material cost is reduced.
Preferably, the thickness of the TPO waterproof layer 4 is between 0.80mm + -0.05 mm. The TPO waterproof layer 4 is extruded by a single screw extruder or a single double screw extruder and is extruded by a single layer through a die head. The extrusion temperature of the chlorinated polyethylene is 180-220 ℃, and the speed of the main machine is 2.0-4.0 m/min. The TPO material contains lateral methyl, ethyl and other functional groups, has large surface tension and surface energy, is easy to fuse with a self-adhesive layer, and has good bonding performance. The TPO material has excellent aging resistance and weather resistance, good softness, and can be bent at multiple angles and small bending diameters, thereby facilitating the construction of detail nodes.
The four-layer material is calendered by a three-roller calender, the geotextile 1 is coated and attached to the upper surface of the coiled material in the calendering process, the fiber mesh fabric layer 3 is arranged in the core layer, and the resin material is extruded to be still high temperature, so that the geotextile 1 and the fiber mesh fabric 3 are easily and tightly bonded, the performance is complementary, and the material performance is higher.
Preferably, the self-adhesive glue layer 5 may be a hot melt glue layer or a butyl glue layer. The hot-melt pressure-sensitive adhesive is a high-cohesion adhesive, is an adhesive block at normal temperature, is heated to form glue in a flowing state, has very high cohesion when coated on the surface of a base material by a coating machine, and has better ultraviolet resistance, high-temperature aging resistance and the like. Butyl rubber is a rubber with good air tightness, water tightness, chemical stability and thermal stability. Meanwhile, the butyl rubber has the characteristics of good aging resistance, chemical liquid medicine resistance, strong bonding property and the like. Generally, the thickness of the glue is 0.30-0.40 mm, the problems of loose adhesion and insufficient peel strength easily occur when the glue layer is thin, and the material waste is caused when the glue layer is excessively thick, so that the thickness range of the self-adhesive glue layer is optimal between 0.30-0.40 mm.
Preferably, the thickness of the aluminized separator ranges from 0.03mm to 0.06 mm.
The compound waterproofing membrane of polymer that this embodiment provided has combined chlorinated polyethylene waterproof layer and TPO waterproof layer, possess the advantage of two kinds of waterproof layers simultaneously, and complemented mutual shortcoming, other composite beds also have advantage respectively simultaneously, consequently this waterproof roll of layer is played the effect preferred in the application of actual waterproof engineering, and the durability is strong.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a compound waterproofing membrane of polymer which characterized in that, includes geotechnological cloth, chlorinated polyethylene waterproof layer, enhancement layer, TPO waterproof layer, from viscose layer and isolation rete that connect gradually.
2. The waterproof roll of claim 1, wherein the upper surface of the chlorinated polyethylene waterproof layer is divided into a chlorinated polyethylene overlapping edge area and a chlorinated polyethylene non-overlapping edge area, the chlorinated polyethylene overlapping edge area is located on one side of the upper surface of the chlorinated polyethylene waterproof layer, and the geotextile covers the chlorinated polyethylene non-overlapping edge area.
3. The polymer composite waterproof roll material as claimed in claim 2, wherein the lower surface of the self-adhesive layer is divided into a self-adhesive overlap edge region and a self-adhesive non-overlap edge region, the self-adhesive overlap edge region is located on one side of the lower surface of the self-adhesive layer, and the isolation film layer covers the self-adhesive non-overlap edge region.
4. The coiled waterproof polymer composite material as claimed in claim 3, wherein the width of the chlorinated polyethylene overlap edge region ranges from 90mm to 110mm, and the width of the self-adhesive overlap edge region ranges from 90mm to 110 mm.
5. The waterproof roll of claim 1, wherein the reinforcing layer is a fiber mesh fabric layer.
6. The polymer composite waterproof roll according to claim 1, wherein the barrier film layer is an aluminized barrier film layer, and the thickness of the aluminized barrier film layer ranges from 0.03mm to 0.06 mm.
7. The polymer composite waterproof roll according to claim 1, wherein the geotextile has a thickness ranging from 0.50mm to 0.80 mm.
8. The waterproof roll of claim 1, wherein the chlorinated polyethylene waterproof layer has a thickness in the range of 0.60mm ± 0.05 mm.
9. The polymer composite waterproof roll according to claim 5, wherein the thickness of the fiber mesh layer ranges from 0.05mm to 0.15 mm.
10. The polymer composite waterproof roll according to claim 1, wherein the thickness of the TPO waterproof layer is within a range of 0.80mm ± 0.05mm, and the thickness of the self-adhesive layer is within a range of 0.30mm to 0.40 mm.
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| CN202020238361.0U CN211968726U (en) | 2020-03-02 | 2020-03-02 | High-molecular composite water-proof coiled material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350274A (en) * | 2022-01-20 | 2022-04-15 | 衡水新陆交通器材有限公司 | Building waterproof coiled material and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350274A (en) * | 2022-01-20 | 2022-04-15 | 衡水新陆交通器材有限公司 | Building waterproof coiled material and preparation method and application thereof |
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