CN210679906U - Anti-sticking flame-retardant waterproof coiled material - Google Patents
Anti-sticking flame-retardant waterproof coiled material Download PDFInfo
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- CN210679906U CN210679906U CN201920973979.9U CN201920973979U CN210679906U CN 210679906 U CN210679906 U CN 210679906U CN 201920973979 U CN201920973979 U CN 201920973979U CN 210679906 U CN210679906 U CN 210679906U
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Abstract
The utility model relates to a waterproofing membrane field discloses an antiseized fire-retardant type waterproofing membrane, include: a flame retardant polymeric substrate; the flame-retardant pressure-sensitive adhesive layer is coated on one side surface of the flame-retardant polymer substrate; the alkali-resistant fiber mesh cloth is attached to one side surface, away from the flame-retardant polymer base material, of the flame-retardant pressure-sensitive adhesive layer, and is provided with mesh holes; and the flame-retardant anti-sticking coating is sprayed on one side surface of the alkali-resistant fiber mesh cloth, which is far away from the flame-retardant pressure-sensitive adhesive layer, and the flame-retardant anti-sticking coating is sprayed on one side surface of the flame-retardant pressure-sensitive adhesive layer, which is positioned in the mesh holes, which is far away from the flame-retardant polymer substrate. The utility model selects the flame-retardant high molecular base material with excellent flame-retardant performance and the flame-retardant pressure-sensitive adhesive layer as the main body, and further enhances the flame-retardant performance of the flame-retardant pressure-sensitive adhesive layer through the alkali-resistant fiber gridding cloth and the flame-retardant anti-sticking coating; in addition, the adhesive has the functions of adhesion resistance, water resistance, flexibility and ultraviolet aging resistance.
Description
Technical Field
The utility model relates to a waterproofing membrane field especially relates to an antiseized fire-retardant type waterproofing membrane.
Background
The material mainly composed of a high molecular polymer inevitably has a disadvantage of being extremely flammable. And the high molecular polymer produced by using petroleum and natural gas as basic raw materials can generate gas, smoke and dust particles when a fire disaster happens carelessly in the processes of storage, transportation and construction, and the high molecular polymer damages a respiratory system if the fire disaster happens, and is fatal if the fire disaster happens.
Waterproof coiled materials in the market comprise a polymer base material layer and an adhesive layer coated on the side face of the multilayer polymer base material layer. Most of waterproof coiled materials in the current market do not have flame retardant performance, and part of waterproof coiled materials only realize flame retardance through a flame retardant modified polymer base material layer. However, to waterproofing membrane, only realize fire-retardantly through fire-retardant modified polymer substrate layer, flame retardant efficiency is not ideal, and when the conflagration breaing out, the adhesive layer is very easy to be lighted on and the sustained combustion, produces a large amount of heats, can ignite the fire-retardant modified polymer substrate layer of difficult combustion, and the droppings when the adhesive layer burns easily ignites other combustible matters, further aggravate the intensity of a fire, have high potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing an antiseized fire-retardant type waterproofing membrane that antiseized, fire-retardant, waterproof, ultraviolet resistance are ageing and pliability is good, it chooses for use fire-retardant polymer substrate and fire-retardant pressure sensitive adhesive layer that fire behaviour is good as the main part to further strengthen fire-retardant pressure sensitive adhesive layer's fire behaviour through alkali-resisting fiber net cloth and fire-retardant antiseized coating.
The purpose of the utility model is realized through the following technical scheme:
an anti-sticking flame-retardant waterproofing membrane comprising:
a flame retardant polymeric substrate;
the flame-retardant pressure-sensitive adhesive layer is coated on one side surface of the flame-retardant polymer base material;
the alkali-resistant fiber mesh cloth is attached to one side surface, away from the flame-retardant polymer base material, of the flame-retardant pressure-sensitive adhesive layer, and is provided with mesh holes; and
the flame-retardant anti-sticking coating is sprayed on the side surface of the flame-retardant pressure-sensitive adhesive layer far away from the alkali-resistant fiber gridding cloth, and the flame-retardant anti-sticking coating is sprayed on the side surface of the flame-retardant polymer substrate far away from the flame-retardant pressure-sensitive adhesive layer in the gridding holes.
In one embodiment, the mesh holes are provided in plural, and the plurality of mesh holes are arranged on the alkali-resistant fiber mesh cloth at intervals.
In one embodiment, the mesh openings have a diameter of 0.8mm to 1.2 mm.
In one embodiment, the thickness of the flame-retardant polymer substrate is 1.2mm to 1.8 mm.
In one embodiment, the flame retardant pressure sensitive adhesive layer has a thickness of 0.2mm to 0.4 mm.
In one embodiment, the thickness of the alkali-resistant fiber mesh fabric is 0.04mm to 0.6 mm.
In one embodiment, the flame retardant release coating is sprayed in an amount of 180g/m2～220g/m2。
In one embodiment, the flame retardant polymer substrate comprises a high density polyethylene layer and a thermoplastic polyolefin layer, the thermoplastic polyolefin layer is disposed on one side of the high density polyethylene layer, and the flame retardant pressure sensitive adhesive layer is coated on one side of the thermoplastic polyolefin layer away from the high density polyethylene layer.
In one embodiment, the flame-retardant polymer substrate comprises a chlorinated polyethylene layer and a polyvinyl chloride layer, the polyvinyl chloride layer is arranged on one side surface of the chlorinated polyethylene layer, and the flame-retardant pressure-sensitive adhesive layer is coated on one side surface of the chlorinated polyethylene layer away from the polyvinyl chloride layer.
In one embodiment, the anti-sticking flame-retardant waterproof roll is provided with a plurality of easy-to-tear holes, and connecting lines among the easy-to-tear holes are in a ">" shape or a "<" shape.
Compared with the prior art, the utility model discloses at least, following advantage has:
the anti-sticking flame-retardant waterproof coiled material of the utility model adopts the flame-retardant high polymer substrate with excellent flame-retardant performance and the flame-retardant pressure-sensitive adhesive layer as the main body, and further enhances the flame-retardant performance of the flame-retardant pressure-sensitive adhesive layer through the alkali-resistant fiber gridding cloth and the flame-retardant anti-sticking coating; in addition, the adhesive has the functions of adhesion resistance, water resistance, flexibility and ultraviolet aging resistance. The flame-retardant polymer base material has excellent flame retardance, flexibility, weather resistance, wear resistance, corrosion resistance, mechanical strength and aging resistance. The flame-retardant pressure-sensitive adhesive layer has excellent flame retardancy. The alkali-resistant fiber mesh fabric has good alkali resistance, flexibility and waterproofness, can play a role in enhancing the strength of the flame-retardant anti-sticking coating, can effectively prevent the flame-retardant anti-sticking coating from cracking, damaging and peeling off under the action of external force in the production, transportation or construction process of the coiled material, and has certain gain effect on the whole flame retardant property of the coiled material due to the non-combustible characteristic. The flame-retardant anti-sticking coating can make the surface viscosity of the flame-retardant anti-sticking coating disappear after drying, and simultaneously can improve the flame-retardant and anti-ultraviolet aging effects of the flame-retardant pressure-sensitive adhesive layer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a cross-sectional view of an anti-sticking flame-retardant waterproof roll according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an anti-sticking flame-retardant waterproof roll according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An anti-sticking flame-retardant waterproofing membrane comprising: a flame retardant polymeric substrate; the flame-retardant pressure-sensitive adhesive layer is coated on one side surface of the flame-retardant polymer base material; the alkali-resistant fiber mesh cloth is attached to one side surface, away from the flame-retardant polymer base material, of the flame-retardant pressure-sensitive adhesive layer, and is provided with mesh holes; and the flame-retardant anti-sticking coating is sprayed on one side surface of the flame-retardant pressure-sensitive adhesive layer far away from the alkali-resistant fiber gridding cloth, and the flame-retardant anti-sticking coating is sprayed on one side surface of the flame-retardant high polymer substrate far away from the flame-retardant pressure-sensitive adhesive layer in the gridding holes.
In order to better explain the anti-sticking flame-retardant waterproofing membrane, the concept of the anti-sticking flame-retardant waterproofing membrane is better understood. In one embodiment, referring to fig. 1 and fig. 2, an anti-sticking flame retardant waterproof roll 10 includes: a flame retardant polymeric substrate 110; a flame-retardant pressure-sensitive adhesive layer 120, wherein the flame-retardant pressure-sensitive adhesive layer 120 is coated on one side of the flame-retardant polymer substrate 110; the alkali-resistant fiber mesh cloth 130 is attached to one side surface, away from the flame-retardant polymer base material 110, of the flame-retardant pressure-sensitive adhesive layer 120, and the alkali-resistant fiber mesh cloth 130 is provided with mesh holes 131; and the flame-retardant anti-sticking coating 140 is sprayed on one side surface, far away from the flame-retardant pressure-sensitive adhesive layer 120, of the alkali-resistant fiber mesh cloth 130, and the flame-retardant anti-sticking coating 140 is sprayed on one side surface, far away from the flame-retardant high polymer base material 110, of the flame-retardant pressure-sensitive adhesive layer 120 in the mesh holes 131.
On the one hand, the flame-retardant polymer substrate 110 is made of a flame-retardant polymer material, or is formed by adding a large amount of magnesium hydroxide and aluminum hydroxide into a non-flame-retardant polymer material, the magnesium hydroxide and the aluminum hydroxide greatly improve the specific heat capacity of the non-flame-retardant polymer material, and the non-flame-retardant polymer material is difficult to burn, and the moisture generated when the magnesium hydroxide and the aluminum hydroxide are decomposed at a high temperature takes away heat and dilutes combustible gas, so that self-extinguishing is realized. On the one hand, the flame-retardant pressure-sensitive adhesive layer 120 is formed by adding an intumescent nitrogen-phosphorus composite flame retardant into a rubber pressure-sensitive adhesive, and a porous intumescent carbon layer can be formed during combustion to play a flame-retardant role, so that the flame-retardant pressure-sensitive adhesive layer is low in smoke, low in toxicity and capable of being rapidly self-extinguished. On the one hand, the alkali-resistant fiber mesh cloth 130 is made of glass fiber mesh cloth, and the glass fiber mesh cloth is coated with a polymer emulsion-resistant soaking layer by taking glass fiber woven fabric as a base material. Therefore, the paint has good alkali resistance, flexibility and high tensile resistance in the warp and weft directions, and can be widely used for heat preservation, water resistance, crack resistance and the like of inner and outer walls of buildings; the alkali-resistant fiber mesh cloth 130 can play a role in enhancing the strength of the flame-retardant anti-sticking coating 140, and can effectively prevent the flame-retardant anti-sticking coating 140 from cracking, damaging and peeling off under the action of external force in the production, transportation or construction process of the coiled material; in addition, the glass fiber is a non-combustible substance and has certain gain effect on flame retardance. On the other hand, the flame-retardant and anti-sticking coating layer 140 is an acrylic resin-based water-based paint to which a metal hydroxide, zinc borate, or rutile type titanium dioxide is added. The addition of the metal hydroxide or zinc borate enables the surface viscosity of the flame-retardant anti-sticking coating 140 to disappear after drying, so that the anti-sticking purpose is achieved, the flame-retardant modification purpose is realized, and meanwhile, the ultraviolet aging resistance of the flame-retardant pressure-sensitive adhesive layer 120 is improved by using rutile titanium dioxide as an ultraviolet shielding agent.
In one embodiment, referring to fig. 1 and fig. 2, the grid holes 131 are provided in plurality, and the plurality of grid holes 131 are disposed on the alkali-resistant fiber grid cloth 130 at intervals, so that the flame-retardant anti-sticking coating 140 can be uniformly and regularly sprayed on the side surface of the flame-retardant pressure-sensitive adhesive layer 120. The aperture of the grid holes 131 is 0.8 mm-1.2 mm. The mesh holes 131 may have a diameter of 0.8mm, 1.0mm, or 1.2 mm. Under the condition that the area of the alkali-resistant fiber mesh cloth 130 and the number of the mesh holes 131 are fixed, the aperture size of the mesh holes 131 determines the area of the flame-retardant anti-sticking coating 140 on the side surface of the flame-retardant pressure-sensitive adhesive layer 120, and further influences the flame-retardant, anti-sticking and anti-ultraviolet aging effects of the flame-retardant anti-sticking coating 140 on the flame-retardant pressure-sensitive adhesive layer 120. If the pore diameter of the mesh pores 131 is too large, the flame-retardant anti-sticking coating 140 may be unevenly sprayed; if the aperture of the grid holes 131 is too small, the area of the flame-retardant anti-sticking coating 140 on the side surface of the flame-retardant pressure-sensitive adhesive layer 120 is too small, and the flame-retardant, anti-sticking and anti-ultraviolet aging effects of the flame-retardant anti-sticking coating 140 on the flame-retardant pressure-sensitive adhesive layer 120 are seriously affected; experiments prove that the aperture of the grid holes 131 is 0.8 mm-1.2 mm, which is a reasonable range.
In one embodiment, the thickness of the flame retardant polymer substrate 110 is 1.2mm to 1.8 mm. The thickness of the flame-retardant pressure-sensitive adhesive layer 120 is 0.2mm to 0.4 mm. The thickness of the alkali-resistant fiber mesh cloth 130 is 0.04 mm-0.6 mm. The spraying amount of the flame-retardant anti-sticking coating 140 is 180g/m2～220g/m2. It should be noted that, in the flame-retardant polymer substrate 110, the flame-retardant pressure-sensitive adhesive layer 120, the alkali-resistant fiber mesh cloth 130, and the flame-retardant anti-sticking coating layer 140, the flame-retardant polymer substrate 110 is used as a supporting body, and the thickness thereof needs to be larger than the sum of the thicknesses of the other three. The flame-retardant pressure-sensitive adhesive layer 120 is used as a functional body for bonding with a roof, and the thickness of the flame-retardant pressure-sensitive adhesive layer is smaller than that of the flame-retardant polymer base material 110 and larger than the sum of the thicknesses of the alkali-resistant fiber mesh cloth 130 and the flame-retardant anti-sticking coating layer 140. The alkali-resistant fiber mesh cloth 130 has the auxiliary functions of enhancing the strength of the flame-retardant anti-sticking coating 140 and enhancing the flame retardance, the thickness of the alkali-resistant fiber mesh cloth is ideally 0.04 mm-0.6 mm, if the thickness is too thin, the enhancement effect is not obvious, and if the thickness is too thick, the flame-retardant anti-sticking coating 140 is cracked, damaged and peeled off under the action of external force in the production, transportation or construction process of the coiled material. The spraying amount of the flame-retardant anti-sticking coating layer 140 was 180g/m2～220g/m2Will be influenced by the number of the grid holes 131 of the alkali-resistant fiber grid cloth 130, the aperture of the grid holes 131 and the spraying technique, wherein g/m2Means per m of the surface of the object2Weight (g) of flame retardant release coating sprayed.
In one embodiment, the flame retardant polymer substrate 110 includes a high density polyethylene layer and a thermoplastic polyolefin layer, the thermoplastic polyolefin layer is disposed on one side of the high density polyethylene layer, and the flame retardant pressure sensitive adhesive layer 120 is coated on one side of the thermoplastic polyolefin layer away from the high density polyethylene layer. It should be noted that the high density polyethylene layer is formed by adding a large amount of magnesium hydroxide and aluminum hydroxide into the high density polyethylene material, and the high density polyethylene material has good heat resistance and cold resistance, good chemical stability, and higher rigidity, flexibility and mechanical strength. The thermoplastic polyolefin layer is formed by adding a large amount of magnesium hydroxide and aluminum hydroxide into a thermoplastic polyolefin material, the thermoplastic polyolefin material is made of an elastomer material consisting of rubber and polyolefin, and the thermoplastic polyolefin material has excellent weather resistance, oil resistance, ozone resistance and ultraviolet resistance; excellent dynamic fatigue resistance, good wear resistance, high tear resistance and small permanent compression deformation. The magnesium hydroxide and the aluminum hydroxide greatly improve the specific heat capacity of the high-density polyethylene layer and the thermoplastic polyolefin layer, the high-density polyethylene layer and the thermoplastic polyolefin layer are difficult to burn, and the moisture generated when the magnesium hydroxide and the aluminum hydroxide are decomposed at high temperature can take away heat and dilute combustible gas, so that self-extinguishing is realized. The "make up for the weakness" of the two materials will be superior to the performance of the single material.
In one embodiment, the flame retardant polymer substrate 110 includes a chlorinated polyethylene layer and a polyvinyl chloride layer, the polyvinyl chloride layer is disposed on a side of the chlorinated polyethylene layer, and the flame retardant pressure sensitive adhesive layer 120 is coated on a side of the chlorinated polyethylene layer away from the polyvinyl chloride layer. The chlorinated polyethylene layer is made of a chlorinated polyethylene material, and has excellent flexibility, weather resistance, ozone resistance, chemical resistance, aging resistance, oil resistance, flame retardance and coloring performance. The polyvinyl chloride layer is made of polyvinyl chloride materials, and has the advantages of flame retardance, high chemical resistance, good mechanical strength and good electrical insulation. The "make up for the weakness" of the two materials will be superior to the performance of the single material.
In one embodiment, the anti-sticking flame-retardant waterproof roll 10 is provided with a plurality of easy-to-tear holes, and a connecting line between the easy-to-tear holes is in a ">" shape or a "<" shape. It should be noted that, on one hand, the anti-sticking fire-retardant waterproof roll 10 can be torn by means of the easy-to-tear holes without a cutting tool, and on the other hand, the connection line between the easy-to-tear holes is in a ">" shape or a "<" shape, so that the torn anti-sticking fire-retardant waterproof roll 10 is in a special diamond shape, and is more flexible than the traditional square shape in actual use.
Compared with the prior art, the utility model discloses at least, following advantage has:
the anti-sticking flame-retardant waterproof roll 10 of the utility model selects the flame-retardant polymer substrate 110 and the flame-retardant pressure-sensitive adhesive layer 120 with excellent flame-retardant performance as the main body, and further enhances the flame-retardant performance of the flame-retardant pressure-sensitive adhesive layer 120 through the alkali-resistant fiber mesh cloth 130 and the flame-retardant anti-sticking coating layer 140; in addition, the adhesive has the functions of adhesion resistance, water resistance, flexibility and ultraviolet aging resistance. The flame-retardant polymer substrate 110 has excellent flame retardancy, flexibility, weather resistance, wear resistance, corrosion resistance, mechanical strength and aging resistance. The flame retardant pressure sensitive adhesive layer 120 has excellent flame retardancy. The alkali-resistant fiber mesh cloth 130 has good alkali resistance, flexibility and waterproofness, can play a role in enhancing the strength of the flame-retardant anti-sticking coating 140, can effectively prevent the flame-retardant anti-sticking coating 140 from cracking, damaging and peeling off under the action of external force in the production, transportation or construction process of the coiled material, and has certain gain effect on the overall flame retardant property of the coiled material due to the non-combustible characteristic. The flame-retardant release coating 140 may allow the surface tackiness of the flame-retardant release coating 140 to disappear after drying, and may improve the flame-retardant and uv aging-resistant effects of the flame-retardant pressure-sensitive adhesive layer 120.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An anti-sticking fire-retardant type waterproofing membrane which characterized in that includes:
a flame retardant polymeric substrate;
the flame-retardant pressure-sensitive adhesive layer is coated on one side surface of the flame-retardant polymer base material;
the alkali-resistant fiber mesh cloth is attached to one side surface, away from the flame-retardant polymer base material, of the flame-retardant pressure-sensitive adhesive layer, and is provided with mesh holes; and
the flame-retardant anti-sticking coating is sprayed on the side surface of the flame-retardant pressure-sensitive adhesive layer far away from the alkali-resistant fiber gridding cloth, and the flame-retardant anti-sticking coating is sprayed on the side surface of the flame-retardant polymer substrate far away from the flame-retardant pressure-sensitive adhesive layer in the gridding holes.
2. The anti-sticking flame-retardant waterproof roll according to claim 1, wherein the mesh holes are provided in plurality, and a plurality of the mesh holes are provided at intervals on the alkali-resistant fiber mesh cloth.
3. The anti-sticking flame-retardant waterproofing membrane according to claim 1, wherein the mesh holes have a pore diameter of 0.8mm to 1.2 mm.
4. The anti-sticking flame-retardant waterproofing membrane according to claim 1, wherein the thickness of the flame-retardant polymer base material is 1.2mm to 1.8 mm.
5. The anti-sticking flame-retardant waterproofing membrane according to claim 1, wherein the thickness of the flame-retardant pressure-sensitive adhesive layer is 0.2mm to 0.4 mm.
6. The anti-sticking flame-retardant waterproof roll according to claim 1, wherein the alkali-resistant fiber mesh fabric has a thickness of 0.04mm to 0.6 mm.
7. The release-flame-retardant waterproofing membrane according to claim 1, wherein the amount of spraying of the flame-retardant release coating layer is 180g/m2～220g/m2。
8. The anti-sticking flame-retardant waterproof roll according to any one of claims 1 to 7, wherein the flame-retardant polymer base material comprises a high-density polyethylene layer and a thermoplastic polyolefin layer, the thermoplastic polyolefin layer is disposed on one side of the high-density polyethylene layer, and the flame-retardant pressure-sensitive adhesive layer is coated on one side of the thermoplastic polyolefin layer, which is far away from the high-density polyethylene layer.
9. The anti-sticking flame-retardant waterproof roll according to any one of claims 1 to 7, wherein the flame-retardant polymer base material comprises a chlorinated polyethylene layer and a polyvinyl chloride layer, the polyvinyl chloride layer is arranged on one side of the chlorinated polyethylene layer, and the flame-retardant pressure-sensitive adhesive layer is coated on one side of the polyvinyl chloride layer away from the chlorinated polyethylene layer.
10. The anti-sticking flame-retardant waterproof roll according to any one of claims 1 to 7, wherein a plurality of easy-to-tear holes are formed in the anti-sticking flame-retardant waterproof roll, and a connecting line between the easy-to-tear holes is in a ">" shape or a "<" shape.
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| CN201920973979.9U CN210679906U (en) | 2019-06-26 | 2019-06-26 | Anti-sticking flame-retardant waterproof coiled material |
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| CN201920973979.9U CN210679906U (en) | 2019-06-26 | 2019-06-26 | Anti-sticking flame-retardant waterproof coiled material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233839A (en) * | 2022-06-09 | 2022-10-25 | 科顺防水科技股份有限公司 | Pre-laid waterproof roll |
| CN115230281A (en) * | 2022-06-09 | 2022-10-25 | 科顺防水科技股份有限公司 | Pre-laid waterproof coiled material and preparation method thereof |
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2019
- 2019-06-26 CN CN201920973979.9U patent/CN210679906U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233839A (en) * | 2022-06-09 | 2022-10-25 | 科顺防水科技股份有限公司 | Pre-laid waterproof roll |
| CN115230281A (en) * | 2022-06-09 | 2022-10-25 | 科顺防水科技股份有限公司 | Pre-laid waterproof coiled material and preparation method thereof |
| WO2023237118A1 (en) * | 2022-06-09 | 2023-12-14 | 科顺防水科技股份有限公司 | Pre-applied waterproofing sheet |
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