CN115162539A - Magnetic high-molecular waterproof coiled material - Google Patents
Magnetic high-molecular waterproof coiled material Download PDFInfo
- Publication number
- CN115162539A CN115162539A CN202110360090.5A CN202110360090A CN115162539A CN 115162539 A CN115162539 A CN 115162539A CN 202110360090 A CN202110360090 A CN 202110360090A CN 115162539 A CN115162539 A CN 115162539A
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- China
- Prior art keywords
- layer
- magnetic
- adhesive
- parts
- waterproof roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Laminated Bodies (AREA)
Abstract
The invention discloses a magnetic polymer waterproof coiled material which comprises a base material layer, an adhesive layer and an isolation layer. The substrate layer includes polymer carrier and hard magnetic material, and the viscose layer includes adhesive and tackifier, and the isolation layer includes sand and soft magnetic material. According to the invention, through selection of the roll layer structure, the magnetic material and the proportion, and selection of the material thickness and the material thickness proportion, the waterproof performance of the traditional waterproof roll is maintained, and meanwhile, the waterproof roll and the concrete can have the functions of magnetic attraction besides physical adsorption and mortise and tenon interpenetration bonding, so that the base material layer and the isolation layer can be continuously kept combined due to the adsorption effect of the magnetic force even after the self-adhesive layer is aged and invalid, and the service life of the waterproof roll is prolonged.
Description
Technical Field
The invention relates to the field of building materials, in particular to a magnetic high-polymer 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. The waterproof roll is classified into an asphalt waterproof roll, a polymer modified asphalt waterproof roll and a polymer waterproof roll according to different main component materials.
Existing waterproofing rolls are generally composed of three layers: substrate layer, viscose layer and isolation layer. The mechanism of the bonding with the concrete is as follows: before the initial setting, the concrete gradually generates cross-linking engagement with the viscose layer of the coiled material due to the action of gravity, and simultaneously generates physical adsorption and mortise and tenon action in the cement curing process, so that the coiled material and the post-cast concrete have stronger adhesive force and are not easy to separate.
Patent CN111483199A discloses a pre-laid reverse-adhesion polymer waterproof roll and a construction process thereof. The gap-free structure organically combined is formed between the building body and the adhesive layer, so that the water channeling phenomenon is prevented, and the waterproof performance of the coiled material is greatly improved.
Chinese utility model patent CN207594458U discloses a waterproofing membrane, which comprises a reinforcing film layer, an adhesive layer and an isolating layer which are stacked in sequence, wherein a light reflecting layer is added in the waterproofing membrane and is arranged between the reinforcing film layer and the adhesive layer.
The utility model discloses a CN 206124323U's utility model patent discloses a polymer waterproofing membrane, is formed by barrier material layer, pressure sensitive adhesive layer and polymer sheet layer multilayer complex. This patent has adopted the less hot melt adhesive of initial adhesion as barrier material, can guarantee to have the isolation effect also can ensure simultaneously that glue film and concrete have good bonding ability.
The utility model patent of CN211871849U provides a take polymer waterproofing membrane of protective layer, from the top down includes antiseized layer, tackification type pressure sensitive adhesive self-adhesive layer, polyethylene sheet waterproof layer, geotechnological cloth protective layer in proper order. Wherein, the geotextile protective layer can protect the polyethylene sheet from being damaged by the impact and scratched, and the service life of the coiled material is prolonged. Meanwhile, the reverse side overlapping edge is arranged, so that the glue bonding is realized, the peeling strength of the overlapping edge of the high-molecular waterproof coiled material with the protective layer is greatly improved, and the safety of a waterproof system is improved.
However, the above technical solution has the following drawbacks: the coiled material is after using certain age, because the ageing of viscose layer, the bonding may become invalid, leads to substrate layer and isolation layer or concrete to appear the layering, loses water-proof effects.
Disclosure of Invention
In view of the defects of the prior art, one of the purposes of the present invention is to provide a magnetic high-molecular waterproof roll, which can maintain the waterproof performance of the waterproof roll, and can also generate the magnetic attraction effect between the roll and the concrete in addition to the physical adsorption and mortise and tenon interpenetration bonding, so that even after the adhesive layer is aged or loses efficacy, the substrate layer and the isolation layer can be continuously kept in combination due to the magnetic adsorption effect, thereby realizing the maximum permanent sealing and thoroughly preventing the water leakage risk.
In order to achieve the purpose, the invention provides the following technical scheme:
a magnetic high-molecular waterproof roll is characterized in that: comprises a substrate layer and an isolation layer. The substrate layer comprises a polymer carrier and a hard magnetic material, and the isolation layer mainly comprises sand and a soft magnetic material.
Preferably, an adhesive layer is further arranged between the substrate layer and the isolation layer, and the adhesive layer comprises an adhesive.
Preferably, the adhesive layer further comprises one or more of a tackifier, a processing aid, a stabilizer, and an antioxidant.
Preferably, the base material layer comprises the following raw material components in parts by weight: 10-30 parts of polymer carrier and 70-90 parts of hard magnetic material. The polymer carrier comprises one or more of polyethylene, chlorinated polyethylene, polyvinyl chloride and the like; the hard magnetic material comprises one or more of a metal permanent magnetic material, a ferrite permanent magnetic material or a rare earth permanent magnetic material.
Preferably, the substrate layer further comprises one or more of a modifier, a processing aid, a stabilizer and an antioxidant.
Preferably, the thickness of the coiled material is 0.9-3.0 mm, and the thickness ratio of the substrate layer, the adhesive layer and the isolation layer is as follows: 7-20: 1-6: 1-4.
Preferably, the adhesive of the adhesive layer comprises one or more of styrene-butadiene-styrene, styrene-isoprene-styrene, butyl rubber adhesive and the like; the tackifier comprises one or more of rosin and its derivatives, terpene resin, coumarone-indene resin, copal resin, etc.
The preparation method of the magnetic polymer waterproof roll is characterized by mainly comprising the following processing steps of:
s1, preparing a base material layer
Weighing the polymer base material, the hard magnetic material and other components in proportion, stirring, plasticizing and extruding the mixture by an extruder, calendering and shaping, cutting according to a specified size, and magnetizing;
s2, preparing an adhesive layer material
Weighing the adhesive and stirring, adding the tackifier and other additives, heating, continuing stirring, and cooling; s3, coating an adhesive layer
Coating the adhesive layer material on the surface of the base material layer, and standing after coating;
s4, coating an isolating layer
The sand and the soft magnetic material are weighed and mixed according to the proportion, and the mixture is covered on the adhesive layer after passing through a screen.
(II) regarding the material selection principle:
(1) Regarding the selection principle of the substrate layer material:
through experimental comparison, high Density Polyethylene (HDPE) can be preferably selected as the base material layer polymer carrier material, and the anti tear strength is high, and waterproof nature, hydrolysis resistance are strong, and low temperature performance is good to the time limit for a project is short, and engineering cost is low. The substrate layer selects the combination of the polymer carrier and the hard magnetic material, so that the substrate layer can be conveniently processed and molded at one time and magnetized in a way of magnetizing through a roller and the like, the processing difficulty is effectively reduced, and the preparation work of magnetically connecting the substrate layer and the isolation layer is completed.
(2) Regarding the selection principle of the isolation layer material:
the sand has the function of forming effective interpenetrating bonding and huge intermolecular force by creeping under the action of pressure of cement paste which is not initially set in the coiled material and the concrete. The soft magnetic material has the effect of ensuring that the base material layer and the isolation layer are continuously combined due to the adsorption effect of magnetic force after the adhesive layer is aged and loses efficacy.
The isolation layer is selected to combine sand and soft magnetic materials, the isolation layer can be processed by simple processes such as screening, coating and extruding, the isolation layer has a good affinity contact relation with contact surfaces such as concrete, and the preparation work is done by magnetic connection generated on the substrate layer. The combination of the sand and the soft magnetic material can also obviously reduce the thickness of the isolation layer, effectively keep the relative position of the soft magnetic material in the waterproof coiled material, and have obvious advantages in key technical indexes such as processing difficulty, cost control, waterproof effect, ageing resistance and cracking resistance and the like compared with other choices.
(III) the principle of the combination selection of the material of the base material layer and the material of the isolation layer is as follows:
through the experiment contrast, the thickness of substrate layer, viscose layer and isolation layer is 0.9 ~ 3.0 millimeters, and the thickness ratio is: when the ratio of the waterproof agent to the coiled material is 7-20: 1-6: 1-4, the waterproof effect of the coiled material can be guaranteed, and the technical effects of saving working procedures, material cost and labor cost and shortening the construction period can be achieved. Simultaneously base material and isolation layer material are compared to select according to above material and thickness and can be effectual on the basis of guarantee coiled material water-proof effects, ensure under the condition such as the ageing inefficacy of viscose layer, the magnetism of guarantee base material layer and isolation layer is connected, prevent to appear splitting, engineering problems such as dislocation, have the obvious advantage in the aspect of life, stability and environmental protection than other connected mode.
By adopting the technical scheme, the invention has the following beneficial effects: (1) Compared with the traditional asphalt-based waterproof coiled material, the magnetic high-molecular waterproof coiled material disclosed by the invention can save the raw material cost and the labor cost and shorten the construction period. (2) According to the magnetic polymer waterproof coiled material, a magnetic force effect can be generated between the substrate layer and concrete, the substrate layer and the isolation layer are prevented from being bonded and failed after the adhesive layer is aged, and the service life, the stability and the like are obviously prolonged. (3) Through the material combination of the substrate layer, the adhesive layer and the isolation layer and the selection of the magnetic material, the magnetic polymer waterproof roll can keep the binding force between the substrate and the concrete of at least 1000N/m < 2 > after the adhesive layer is aged and invalid.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments thereof, made with reference to the following drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
description of reference numerals:
1-isolation layer, 2-adhesive layer, 3-base material layer, 4-soft magnetic material and 5-hard magnetic material.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1: magnetic high-polymer waterproof roll
The preparation method comprises the following steps:
s1, preparing a base material layer
Weighing 30 parts of high-density polyethylene (HDPE), 70 parts of strontium ferrite powder, 10 parts of Widamei TM6202,5 parts of dibutyl phthalate, 1.8 parts of zinc stearate and 2 parts of antioxidant 1076 according to the proportion of a formula, adding into a high-speed mixer, and mixing for 5min at 65 ℃ and 900r/min to obtain a mixture; obtaining a mixture; the mixture was plasticized and extruded by a twin-screw extruder at a screw speed of 130rpm, a barrel temperature of 175 ℃ and a die temperature of 185 ℃. After extrusion, the mixture is calendered and shaped by a calender, magnetized by a neodymium iron boron magnetic roller and then cut according to the specified size.
S2, preparing a viscose layer material
Mixing 50 parts of styrene-butadiene-styrene (SDS) and 30 parts of styrene-isoprene-styrene (SIS), stirring at a high speed of 800r/min for 10min, then adding 10 parts of terpene resin, 2 parts of copal resin and 4 parts of coumarone-indene resin, heating to 120 ℃, continuing to stir for 15min, then adding 5 parts of naphthenic oil, 1.5 parts of antioxidant 168 and 0.5 part of antioxidant 1010, heating to 170 ℃, and continuing to stir for 15min; then cooled to 50 ℃.
S3, coating an adhesive layer
Coating the viscose layer material on the surface of the base material layer, wherein the coating temperature is 70 ℃, the coating amount is 90g/m < 2 >, and standing for 2h after coating.
S4, coating an isolating layer
80 parts of ferroferric oxide and 20 parts of mullite sand are mixed, stirred for 10min at the speed of 600r/min, pass through a screen and then are uniformly covered on the adhesive layer by an automatic sand feeding device.
The three layers of the waterproofing membrane 1 of the present embodiment have the following thickness choices:
the thickness of the base layer is 1.8mm, the thickness of the adhesive layer is 0.4mm, the thickness of the isolation layer is 0.2mm, and the thickness ratio of the three layers is 9: 2: 1.
The waterproofing membrane 1 of the present embodiment has the following physical properties and chemical properties:
shore hardness of 76A, tensile strength of 15.3-18.6N/mm, and tear strength of 37.1-42.8N/mm; the low-temperature flexibility is-35 ℃ and no crack exists; the heat resistance is that no dripping phenomenon exists within 2 hours at the temperature of 80 ℃; the water impermeability is that water cannot permeate within 2 hours under the pressure of 0.5 MPa.
Compared with the traditional SBS type asphalt-based waterproof material with the thickness of 3mm +4mm, the waterproof roll 1 of the embodiment has the advantages that the cost can be saved by 10 yuan/m 2, the labor cost can be saved by 10 yuan/m 2, and the construction period can be saved by one week.
Example 2: magnetic high-molecular waterproof coiled material
The preparation method comprises the following steps:
s1, preparing a base material layer
Weighing 20 parts of Chlorinated Polyethylene (CPE), 80 parts of strontium ferrite powder, 10 parts of POE 8150, 15 parts of dioctyl phthalate (DOP), 5 parts of epoxidized soybean oil, 2 parts of calcium alginate and 2 parts of antioxidant 1010 according to the proportion of a formula, adding the materials into a high-speed stirrer, and mixing for 8min at the temperature of 60 ℃ and the speed of 800r/min to obtain a mixture; the mixture was plasticized and extruded by a twin-screw extruder at a screw speed of 120rpm, a barrel temperature of 160 ℃ and a die temperature of 175 ℃. After extrusion, the mixture is calendered and shaped by a calender, magnetized by an alnico magnetic roller and then cut according to the specified size.
S2, preparing an adhesive layer material
Mixing 80 parts of styrene-butadiene-styrene (SDS) and 25 parts of butyl rubber, stirring at a high speed of 800r/min for 10min, then adding 13 parts of terpene resin, 3 parts of copal resin and 5 parts of phenolic resin, heating to 110 ℃, continuing to stir for 10min, adding 5 parts of naphthenic oil, 1.5 parts of antioxidant 168 and 0.5 part of antioxidant 1010, heating to 160 ℃, and continuing to stir for 15min; then cooled to 60 ℃.
S3, coating an adhesive layer
Coating the viscose layer material on the surface of the base material layer, wherein the coating temperature is 80 ℃, the coating amount is 100g/m < 2 >, and standing for 1.5h after coating.
S4, coating an isolating layer
70 parts of ferroferric oxide and 30 parts of reaction sand are mixed, stirred for 10min at 700r/min, sieved and uniformly covered on the adhesive layer by an automatic sand feeding device.
The three layers of waterproofing membrane 2 of the present embodiment have the following thickness choices:
the thickness of the base layer is 2.0mm, the thickness of the adhesive layer is 0.3mm, the thickness of the isolation layer is 0.3mm, and the thickness ratio of the three layers is 20: 3.
The waterproofing membrane 2 of the present embodiment has the following physical properties and chemical properties:
shore hardness is 60A, tensile strength is 10.4-12.2N/mm, and tear strength is 34.0-36.8N/mm; the low-temperature flexibility is-35 ℃ and no crack exists; the heat resistance is that no dripping phenomenon exists within 2 hours at the temperature of 80 ℃; the water impermeability is that water cannot permeate within 2 hours under the pressure of 0.5 MPa.
Example 3: magnetic high-polymer waterproof roll
The preparation method comprises the following steps:
s1, preparing a base material layer
Weighing 50 parts of polyvinyl chloride (PVC), 50 parts of neodymium-iron-boron powder, 12 parts of dioctyl phthalate (DOP), 10 parts of epoxidized soybean oil, 3 parts of calcium alginate and 3 parts of antioxidant 1010 according to the proportion of a formula, adding into a high-speed stirrer, and mixing for 10min at 65 ℃ at 800r/min to obtain a mixture; plasticizing and extruding the mixture by a double-screw extruder, wherein the rotating speed of a screw is 120rpm, the temperature of a machine barrel is set to be 170 ℃, and the temperature of a die head is set to be 180 ℃. After extrusion, the mixture is calendered and shaped by a calender, magnetized by a samarium cobalt alloy magnetic roller and then cut according to the specified size.
S2, preparing a viscose layer material
Mixing 60 parts of styrene-isoprene-styrene (SIS) and 40 parts of butyl rubber, stirring at a high speed of 700r/min for 10min, adding 15 parts of terpene resin, 2 parts of copal resin and 2 parts of phenolic resin, heating to 100 ℃, continuing to stir for 10min, adding 5 parts of naphthenic oil, 2 parts of antioxidant 168,0.5 part of antioxidant 1010, heating to 160 ℃, and continuing to stir for 15min; then cooled to 60 ℃.
S3, coating an adhesive layer
Coating the adhesive layer material on the surface of the base material layer at the coating temperature of 80 ℃ and the coating amount of 90g/m < 2 >, and standing for 1.5h after coating.
S4, coating an isolation layer
Mixing 65 parts of ferroferric oxide and 35 parts of reaction sand, stirring at 600r/min for 12min, passing through a screen, and then uniformly covering on the adhesive layer by an automatic sand feeding device.
The three layers of waterproofing membrane 3 of the present embodiment have the following thickness choices:
the thickness of the base layer is 2.0mm, the thickness of the adhesive layer is 0.3mm, the thickness of the isolation layer is 0.2mm, and the thickness ratio of the three layers is 20: 3: 2.
In the waterproof roll 3 of the present embodiment, the content of the magnetic material in the base material layer and the isolation layer is less than that in the waterproof roll 1 and the waterproof roll 2. The waterproof property thereof can be maintained, however, the magnetic force action of the base material layer and the insulating layer is reduced. When the adhesive layer fails, the base material layer and the isolation layer are easy to fall off.
Example 4: magnetic high-molecular waterproof coiled material
S1, preparing a base material layer
Weighing 35 parts of high-density polyethylene (HDPE), 65 parts of strontium ferrite powder, 12 parts of POE 8401,5 parts of dibutyl phthalate, 1.5 parts of zinc stearate and 2 parts of antioxidant 1076 according to the proportion of a formula, adding into a high-speed stirrer, and mixing for 5min at 70 ℃ at 800r/min to obtain a mixture; obtaining a mixture; the mixture was plasticized and extruded by a twin-screw extruder at a screw speed of 130rpm, a barrel temperature of 175 ℃ and a die temperature of 180 ℃. After extrusion, the mixture is calendered and shaped by a calender, magnetized by a neodymium iron boron magnetic roller and then cut according to the specified size.
S2, preparing a viscose layer material
Mixing 80 parts of acrylic-based adhesive and 20 parts of terpene resin, heating to 110 ℃, stirring at 600rpm for 15min, adding 3 parts of naphthenic oil and 2 parts of antioxidant CA, heating to 150 ℃, and continuing to stir for 15min; then cooled to 50 ℃.
S3, coating an adhesive layer
Coating the viscose layer material on the surface of the base material layer, wherein the coating temperature is 60 ℃, the coating amount is 90g/m < 2 >, and standing for 2h after coating.
S4, coating an isolation layer
75 parts of iron simple substance powder and 25 parts of mullite sand are mixed, stirred at 500r/min for 10min, pass through a screen and then are uniformly covered on the adhesive layer by an automatic sand feeding device.
The three layers of the waterproofing membrane 4 of the present embodiment have the following thickness choices:
the thickness of the base layer is 3mm, the thickness of the adhesive layer is 0.5mm, the thickness of the isolation layer is 0.3mm, and the thickness ratio of the three layers is 30: 5: 3.
The waterproofing membrane 4 of the present embodiment is similar to the waterproofing membrane 1 of embodiment 1 in both waterproof performance and magnetic attraction, however, since the overall thickness exceeds the recommended range, the overall cost is increased. In addition, the soft magnetic material of the isolation layer is iron simple substance powder, so that rusting is easy to occur in the presence of oxygen and water.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a magnetism polymer waterproofing membrane which characterized in that: comprises a substrate layer and an isolation layer; the substrate layer comprises a polymer carrier and a hard magnetic material, and the isolation layer comprises sand and a soft magnetic material.
2. The magnetic polymer waterproof roll according to claim 1, characterized in that: still be equipped with the viscose layer between substrate layer and the isolation layer, the viscose layer includes the adhesive.
3. The magnetic polymer waterproof roll according to claim 2, wherein the adhesive layer further comprises one or more of a tackifier, a processing aid, a stabilizer, and an antioxidant.
4. The magnetic polymer waterproof roll according to claim 1, characterized in that: the base material layer comprises the following raw material components in parts by weight: 10-30 parts of polymer carrier and 70-90 parts of hard magnetic material. The polymer carrier comprises one or more of polyethylene, chlorinated polyethylene and polyvinyl chloride; the hard magnetic material comprises one or more of a metal permanent magnetic material, a ferrite permanent magnetic material or a rare earth permanent magnetic material.
5. The magnetic polymer waterproof roll according to claim 1, wherein: the substrate layer further comprises one or more of a modifier, a processing aid, a stabilizer and an antioxidant.
6. The magnetic polymer waterproof roll according to claim 2, characterized in that: the thickness of the coiled material is 0.9-3.0 mm, and the thickness ratio of the substrate layer, the adhesive layer and the isolation layer is as follows: 7 to 20: 1-6: 1-4.
7. The magnetic polymer waterproof roll according to claim 3, characterized in that: the adhesive of the adhesive layer comprises one or more of styrene-butadiene-styrene and styrene-isoprene-styrene; the tackifier comprises one or more of rosin and its derivatives, terpene resin, coumarone-indene resin, and copal resin.
8. The preparation method of the magnetic polymer waterproof roll is characterized by comprising the following processing steps of:
s1, preparing a base material layer
Weighing the polymer base material, the hard magnetic material and other components in proportion, stirring, plasticizing and extruding the mixture by an extruder, rolling and shaping, cutting according to a specified size, and magnetizing;
s2, preparing a viscose layer material
Weighing the adhesive and stirring, adding the tackifier and other additives, heating, continuing stirring, and cooling;
s3, coating an adhesive layer
Coating the adhesive layer material on the surface of the base material layer, and standing after coating;
s4, coating an isolation layer
The sand and the soft magnetic material are weighed and mixed according to the proportion, and the mixture is covered on the adhesive layer after passing through a screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110360090.5A CN115162539A (en) | 2021-04-02 | 2021-04-02 | Magnetic high-molecular waterproof coiled material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110360090.5A CN115162539A (en) | 2021-04-02 | 2021-04-02 | Magnetic high-molecular waterproof coiled material |
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| CN115162539A true CN115162539A (en) | 2022-10-11 |
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| CN202110360090.5A Pending CN115162539A (en) | 2021-04-02 | 2021-04-02 | Magnetic high-molecular waterproof coiled material |
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Application publication date: 20221011 Assignee: Guangdong Nanhao magnetic material technology Co.,Ltd. Assignor: Shanghai Yishen New Material Technology Co.,Ltd. Contract record no.: X2021990000499 Denomination of invention: A magnetic polymer waterproof roll License type: Exclusive License Record date: 20210818 |
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