CN215712775U - Pre-paved anti-sticking waterproof coiled material - Google Patents
Pre-paved anti-sticking waterproof coiled material Download PDFInfo
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- CN215712775U CN215712775U CN202122224889.XU CN202122224889U CN215712775U CN 215712775 U CN215712775 U CN 215712775U CN 202122224889 U CN202122224889 U CN 202122224889U CN 215712775 U CN215712775 U CN 215712775U
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Abstract
The utility model provides a pre-paved reverse-bonding waterproof coiled material which comprises a carrier layer, a non-asphalt-based self-bonding layer and a particle layer, wherein the carrier layer is arranged on the carrier layer; the carrier layer is connected with the non-asphalt-based self-adhesive layer; the particle layer is connected with the non-asphalt-based self-adhesive layer through the coating layer. According to the utility model, through the arrangement of the coating layer, the particles in the particle layer can be prevented from damaging the carrier layer, so that the carrier layer is prevented from being damaged in the transportation and construction processes, the construction efficiency is improved, and the construction effect is ensured.
Description
Technical Field
The utility model belongs to the technical field of waterproofing, relates to a waterproof roll, and particularly relates to a pre-laid anti-sticking waterproof roll.
Background
The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can resist external rainwater and underground water leakage, can be curled into a roll-shaped flexible building material product, and is used as leakage-free connection between an engineering foundation and a building.
The pre-paved anti-sticking waterproof coiled material is mainly applied to the positions of basement bottom plates, roofs and the like of buildings, and the waterproof coiled material coated with the high-molecular self-adhesive glue film layer is laid on a base surface in a vacant mode, and then structural concrete is poured, so that the concrete slurry and the glue film layer of the coiled material are tightly combined. The existing pre-laid reverse-adhesion coiled material generally comprises an isolating film, a self-adhesion layer, a waterproof layer, a self-adhesion layer and a protective layer.
For example, CN 208277563U discloses a pre-paved anti-sticking waterproof roll and a building waterproof structure, which comprises a cement mortar fiber cloth layer, an upper self-sticking layer, a tire base layer and a lower self-sticking layer, wherein the upper self-sticking layer is adhered to the upper surface of the tire base layer, the lower self-sticking layer is adhered to the lower surface of the tire base layer, and the cement mortar fiber cloth layer is adhered to the surface of the upper self-sticking layer, which is far away from the tire base layer. It has improved the peel strength between the anti-type waterproofing membrane of gluing of pre-paving and cement mortar through the setting on cement mortar fiber cloth layer, has improved water-proof effects.
CN 203527998U discloses take pre-paved waterproofing membrane of sand face, take pre-paved waterproofing membrane of sand face includes the precoat, the precoat at least one side is provided with the sand finish. The sand surface layer is arranged on the surface of the rubber material layer of the waterproof coiled material, so that the surface of the rubber material layer can be prevented from being glued without spreading cement powder when the waterproof coiled material is constructed by adopting a pre-paving anti-sticking method, and the sand surface layer covering the surface of the rubber material layer can prevent the rubber material layer and the waterproof coiled material from being influenced by natural factors such as illumination, temperature and the like to generate an aging phenomenon, so that the normal use of the waterproof coiled material is ensured.
The above-mentioned pre-laid waterproof roll is improved in terms of the waterproof effect of the roll, but the actual construction is not considered. The used granule of grained layer is because the higher reason of hardness, in transportation and work progress, damages the carrier layer easily under the pressure effect to influence water-proof effects. Moreover, the particle layer whiteness value among the prior art is on the high side, generally more than 70%, causes operating personnel easily to dazzle, is unfavorable for the promotion of efficiency of construction.
Therefore, there is a need for further improvement of the structure of the pre-laid reverse-adhesion waterproof roll.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the pre-paved anti-sticking waterproof roll, and the pre-paved anti-sticking waterproof roll can avoid the particles in the particle layer from damaging the carrier layer through the arrangement of the coating layer, thereby avoiding the carrier layer damage caused in the transportation and construction process, being beneficial to improving the construction efficiency and ensuring the construction effect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a pre-paved reverse-bonded waterproof coiled material which comprises a carrier layer, a non-asphalt-based self-adhesive layer and a particle layer.
The carrier layer is connected to the non-asphalt based self-adhesive layer.
The particle layer is connected with the non-asphalt-based self-adhesive layer through the coating layer.
The coating layer of the present invention includes, but is not limited to, any one of an epoxy coating layer, a polyurethane coating layer, an acrylic coating layer, or a methacrylic coating layer.
The granular layer is connected with the non-asphalt-based self-adhesive layer through the coating layer, so that the bonding effect of the granular layer in the pre-paved anti-sticking waterproof coiled material is enhanced, and the granular layer is prevented from being separated from the non-asphalt-based self-adhesive layer; moreover, the particles used by the particle layer can be prevented from penetrating through the self-adhesive layer under the action of pressure to damage the carrier layer, so that the waterproof effect of the pre-paved anti-sticking waterproof roll after construction is ensured.
Preferably, the thickness of the non-bitumen based self-adhesive layer is ≧ 0.25mm, such as 0.25mm, 0.28mm, 0.3mm, 0.32mm or 0.35mm, but not limited to the values recited, other values within the range of values not recited being equally applicable.
The diameter of the particles in the particle layer according to the utility model is in the range0.2-0.5mm, the utility model does not limit the specific thickness of the particle layer, and the coating amount of the particles in the particle layer is controlled to be 0.5-1Kg/m2And (4) finishing.
In order to further improve the construction effect of the pre-paved anti-sticking waterproof roll, the Mohs hardness of the inorganic particles used by the particle layer is 3-6, and the whiteness value is 30-40%.
Exemplary particles satisfying the above conditions of mohs hardness and whiteness values include: 75-90 parts of limestone, 5-10 parts of fluorite, 5-10 parts of dolomite, 5-10 parts of gypsum, 2-3 parts of ultraviolet absorbent, 3-5 parts of coupling agent, 1-2 parts of permeation type treating agent and 0.5-1 part of pigment, wherein the limestone comprises 40-60 wt% of siliceous limestone.
Further, the particle size of the limestone is less than or equal to 50 μm; the grain diameter D50 is 35-42 μm; the particle size of the fluorite is less than or equal to 6.3 mu m; the grain diameter D50 is 3.6-4.2 μm; the grain size of the dolomite is less than or equal to 30 mu m; the grain diameter D50 is 20-25 μm; the particle size of the gypsum is less than or equal to 50 mu m, and the particle size D50 is 42-48 mu m.
The pigment includes, but is not limited to, any one of ultramarine, red iron oxide, green iron oxide, or yellow iron oxide.
The non-asphalt-based self-adhesive layer of the present invention is a pressure-sensitive adhesive layer that is conventional in the art, and includes, but is not limited to, any one of a styrene-butadiene rubber layer, a polyisobutylene layer, a polyisoprene layer, a butyl rubber layer, a butadiene rubber layer, a chloroprene rubber layer, a nitrile rubber layer, a styrene-isoprene-styrene front-end copolymer (SIS) layer, a styrene-butadiene-styrene block copolymer (SBS) layer, an acrylate copolymer layer, a polyurethane layer, an ethylene-vinyl acetate copolymer (EVA) layer, or a polyvinyl chloride layer.
The penetration degree of the non-asphalt-based self-adhesive layer is 36-42, and the test conditions of the penetration degree are as follows: the pressure sensitive adhesive is sunk to the depth of 25 ℃ for 5s when the load is 100g, and the unit is 0.1 mm.
As one of the preferable schemes of the pre-paved anti-sticking waterproof roll, the pre-paved anti-sticking waterproof roll comprises a carrier layer, a non-asphalt-based self-adhesive layer, a coating layer and a particle layer which are arranged in a stacked mode.
In this preferred technical scheme, the thickness of the coating layer is less than the average diameter of the inorganic particles in the particle layer.
The setting of dope layer has increased the bonding strength of inorganic granule in the grained layer in the waterproof roll material of anti-sticking of pre-paving, and has effectively alleviated the damage of grained layer to the carrier layer.
When the pre-paved anti-sticking waterproof roll material is prepared, a coating layer is arranged on the surface of the non-asphalt-based self-adhesive layer by using a conventional method in the field, and then a granular layer is arranged on the surface of the coating layer.
As a second preferred scheme of the pre-paved anti-sticking waterproof roll, the pre-paved anti-sticking waterproof roll comprises a carrier layer, a non-asphalt-based self-adhesive layer and a particle layer which are arranged in a stacked manner;
the inorganic particles used in the particle layer are coated with a coating layer.
When the pre-paved anti-sticking waterproof coiled material in the technical scheme is prepared, firstly, inorganic particles used by a particle layer are soaked in the coating, so that the surface layer of the inorganic particles is covered with the coating. The inorganic particles are then disposed on the surface of the non-asphalt based self-adhesive layer using methods conventional in the art.
As a third preferred scheme of the pre-paved anti-sticking waterproof roll, the pre-paved anti-sticking waterproof roll comprises a carrier layer, a non-asphalt-based self-adhesive layer and a coating layer which are arranged in a stacked manner;
a particle layer composed of inorganic particles is uniformly embedded in the coating layer.
That is, in the preferred technical solution, the thickness of the coating layer is greater than or equal to the average diameter of the inorganic particles.
When the pre-paved anti-sticking waterproof coiled material in the technical scheme is prepared, firstly, inorganic particles are arranged on the surface of the non-asphalt-based self-adhesive layer by using a conventional method in the field, and then, the surface of the non-asphalt-based self-adhesive layer is coated with the coating, so that the aim of embedding the particle layer in the coating layer is fulfilled.
Preferably, the particle size range of the inorganic particles used in the particle layer is 200-500 μm, and the particle size range of the inorganic particles is 200-500 μm, which means that the minimum particle size of the inorganic particles is not less than 200 μm, such as 200 μm, 210 μm, 220 μm, 230 μm, 240 μm or 250 μm, but not limited to the enumerated values, and other unrecited values in the value range are also applicable; the inorganic particles have a maximum particle diameter of not more than 500. mu.m, and may be, for example, 450. mu.m, 460. mu.m, 470. mu.m, 480. mu.m, 490. mu.m or 500. mu.m, but are not limited to the values recited, and other values not recited in the numerical ranges are also applicable.
The particle size range of the inorganic particles is controlled to be 200-500 mu m, so that the actual requirement of the pre-laid anti-sticking waterproof roll can be met. When the particle size is less than 200 mu m, the bonding effect of the pre-paved reverse-bonded waterproof roll is influenced; when the particle size is larger than 500 mu m, the inorganic particles are easy to fall off from the bonding layer of the pre-paved reverse-bonded waterproof coiled material, and the peeling strength of the coiled material and the post-cast concrete is influenced.
Preferably, the carrier layer comprises a main body layer, an asphalt-based self-adhesive layer and a separation film layer which are sequentially arranged;
the main body layer is connected with the non-asphalt-based self-adhesive layer.
Preferably, the thickness of the main body layer is less than or equal to 0.3 mm.
Preferably, the bulk layer is at least 1 polymer-based layer, and may be, for example, 1, 2, 3, 4, 5, 6, 7 or 8 layers, but is not limited to the recited values, and other values not recited within the range of values are equally applicable.
Preferably, the polymer substrate layer includes any one of a polypropylene layer, a polyethylene layer, a polyvinyl chloride layer, a polytetrafluoroethylene layer, a polyvinylidene fluoride layer, a polyethylene terephthalate layer, or a polyamide layer.
Preferably, at least 1 reinforcing layer, for example 1, 2, 3, 4, 5, 6, 7 or 8 layers, is provided between the body layer and the bitumen-based self-adhesive layer, but not limited to the values listed, other values not listed in the range of values being equally applicable.
Preferably, the reinforcing layer is a mesh fabric layer or a PET film layer
Compared with the prior art, the utility model has the beneficial effects that:
the granular layer is connected with the non-asphalt-based self-adhesive layer through the coating layer, so that the bonding effect of the granular layer in the pre-paved anti-sticking waterproof coiled material is enhanced, and the granular layer is prevented from being separated from the non-asphalt-based self-adhesive layer; moreover, the particles used by the particle layer can be prevented from penetrating through the self-adhesive layer under the action of pressure to damage the carrier layer, so that the waterproof effect of the pre-paved anti-sticking waterproof roll after construction is ensured.
Drawings
FIG. 1 is a schematic structural view of a pre-laid reverse-adhesion waterproof roll provided in examples 1-2;
FIG. 2 is a schematic structural view of a pre-laid anti-sticking waterproofing membrane provided in examples 3 to 4;
fig. 3 is a schematic structural diagram of a pre-laid anti-sticking waterproofing membrane provided by examples 5 to 6.
Wherein: 1, isolating a film layer; 2, an asphalt-based self-adhesive layer; 3, a main body layer; 4, a non-asphalt-based self-adhesive layer; 5, a particle layer; and 6, coating the layer.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.
It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The pre-paved anti-sticking waterproof coiled material provided by the utility model comprises a carrier layer, a non-asphalt-based self-adhesive layer and a particle layer, wherein the carrier layer is connected with the non-asphalt-based self-adhesive layer; the particle layer is connected with the non-asphalt-based self-adhesive layer through the coating layer.
For convenience of description, the inorganic particles used in the particle layer include, in parts by weight: 85 parts of limestone, 8 parts of fluorite, 8 parts of dolomite, 8 parts of gypsum, 8 parts of ultraviolet absorbent UV-2342.5 parts, 11004 parts of coupling agent, 1.5 parts of permeation type treating agent (Pasteur CC700) and 0.5-1 part of iron oxide red, wherein the limestone comprises 50 wt% of siliceous limestone.
The particle size of the limestone is less than or equal to 50 mu m, and the particle size D50 is 38 mu m; the particle size of the fluorite is less than or equal to 6.3 mu m, and the particle size D50 is 4 mu m; the particle size of the limestone is less than or equal to 30 mu m, and the particle size D50 is 22 mu m; the particle size of the limestone is less than or equal to 50 mu m, and the particle size D50 is 45 mu m.
The preparation method of the inorganic particles comprises the following steps:
(1) uniformly mixing limestone, fluorite, dolomite and gypsum according to the formula amount, and sintering the obtained mixture for 10 hours at 1300 ℃ to obtain a sintered material;
(2) soaking and bleaching the sintered material obtained in the step (1), drying for 1.5h at 365 ℃, and then crushing to obtain primary particles with the particle size of 180-; primary particles having a particle size of-40 mesh to +30 mesh represent 0.6 wt% of the total primary particles, primary particles having a particle size of-50 mesh to +40 mesh represent 28 wt% of the total primary particles, primary particles having a particle size of-60 mesh to +50 mesh represent 8 wt% of the total primary particles, and primary particles having a particle size of-65 mesh to +60 mesh represent 60 wt% of the total primary particles;
(3) preheating the primary particles obtained in the step (2) at 105 ℃ for 122min to ensure that the water content of the primary particles is less than or equal to 0.3 percent, then uniformly mixing the modifier with the preheated primary particles according to the formula amount, carrying out modification treatment for 90min at 180 ℃, curing (the curing agent and the added weight part thereof are the same as those in the example 1), crushing and sieving to obtain inorganic particles with the particle size range of 200-500 mu m.
The resulting inorganic particles had a Mohs hardness of 3.06 and a whiteness value of 30%.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Example 1
The embodiment provides a pre-paved anti-sticking waterproof roll as shown in fig. 1, which comprises a carrier layer, a non-asphalt-based self-adhesive layer 4, a coating layer 6 and a particle layer 5 which are arranged in a stacked manner.
The coating layer 6 is an epoxy resin coating layer 6.
The carrier layer includes the main part layer 3, pitch base self-adhesive layer 2 and the isolation rete 1 that set up in order.
The main body layer 3 is connected with the non-asphalt-based self-adhesive layer 4.
The non-asphalt-based self-adhesive layer 4 is a butyl rubber layer with a thickness of 0.25mm and a penetration of 40.
The total thickness of the main body layer 3 is 0.3mm, and specifically comprises a first PP layer, a first PE layer, a second PP layer, a second PE layer, a third PP layer, a third PE layer, a fourth PP layer and a fourth PE layer which are arranged in a stacked manner; the first PP layer is connected with the non-asphalt-based self-adhesive layer 4, and the fourth PE layer is connected with the adhesive layer.
In the embodiment, the particles in the particle layer 5 can be prevented from damaging the carrier layer through the arrangement of the coating layer 6, so that the carrier layer is prevented from being damaged in the transportation and construction processes, the construction efficiency is improved, and the construction effect is ensured; moreover, the Mohs hardness and the whiteness value of the granular layer 5 are moderate, so that the smooth field construction is facilitated.
Example 2
The embodiment provides a pre-paved anti-sticking waterproof roll, which comprises a carrier layer, a non-asphalt-based self-adhesive layer 4, a coating layer 6 and a particle layer 5 which are arranged in a stacked mode.
The coating layer 6 is a polyurethane coating layer 6.
The carrier layer includes the main part layer 3, pitch base self-adhesive layer 2 and the isolation rete 1 that set up in order.
The main body layer 3 is connected with the non-asphalt-based self-adhesive layer 4.
The non-asphalt-based self-adhesive layer 4 is a butyl rubber layer with a thickness of 0.25mm and a penetration of 40.
The total thickness of the main body layer 3 is 0.3mm, and specifically comprises a first PP layer, a first PE layer, a second PP layer, a second PE layer, a third PP layer, a third PE layer, a fourth PP layer and a fourth PE layer which are arranged in a stacked manner; the fourth PE layer is connected with the asphalt-based self-adhesive layer 2.
Compared with the embodiment 1, the embodiment is also provided with 1 layer of glass fiber mesh cloth between the main body layer 3 and the non-asphalt-based self-adhesive layer 4.
The setting of reinforcing layer glass fiber net check cloth is passed through to this embodiment, can show the anti puncture strength that strengthens this embodiment gained in advance and pave waterproofing membrane.
Example 3
The embodiment provides a pre-paved anti-sticking waterproof roll as shown in fig. 2, which comprises a carrier layer, a non-asphalt-based self-adhesive layer 4 and a particle layer 5 which are arranged in a stacking manner, wherein the particles used by the particle layer 5 are coated with a coating layer 6.
The coating layer 6 is an acrylic coating layer 6.
The carrier layer includes the main part layer 3, pitch base self-adhesive layer 2 and the isolation rete 1 that set up in order.
The main body layer 3 is connected with the non-asphalt-based self-adhesive layer 4.
The non-asphalt-based self-adhesive layer 4 is a butyl rubber layer with a thickness of 0.25mm and a penetration of 40.
The total thickness of the main body layer 3 is 0.3mm, and specifically comprises a first PP layer, a first PE layer, a second PP layer, a second PE layer, a third PP layer, a third PE layer, a fourth PP layer and a fourth PE layer which are arranged in a stacked manner; the first PP layer is connected with the non-asphalt-based self-adhesive layer 4, and the fourth PE layer is connected with the adhesive layer.
In the embodiment, the particles in the particle layer 5 can be prevented from damaging the carrier layer through the arrangement of the coating layer 6, so that the carrier layer is prevented from being damaged in the transportation and construction processes, the construction efficiency is improved, and the construction effect is ensured; moreover, the Mohs hardness and the whiteness value of the granular layer 5 are moderate, so that the smooth field construction is facilitated.
Example 4
The embodiment provides a pre-paved anti-sticking waterproof roll, which comprises a carrier layer, a non-asphalt-based self-adhesive layer 4, a coating layer 6 and a particle layer 5 which are arranged in a stacked mode.
The coating layer 6 is a methacrylic acid coating layer 6.
The carrier layer includes the main part layer 3, pitch base self-adhesive layer 2 and the isolation rete 1 that set up in order.
The main body layer 3 is connected with the non-asphalt-based self-adhesive layer 4.
The non-asphalt-based self-adhesive layer 4 is a butyl rubber layer with a thickness of 0.25mm and a penetration of 40.
The total thickness of the main body layer 3 is 0.3mm, and specifically comprises a first PP layer, a first PE layer, a second PP layer, a second PE layer, a third PP layer, a third PE layer, a fourth PP layer and a fourth PE layer which are arranged in a stacked manner; the fourth PE layer is connected with the asphalt-based self-adhesive layer 2.
Compared with the embodiment 3, the embodiment is also provided with 1 PET film layer between the main body layer 3 and the non-asphalt-based self-adhesive layer 4.
The setting of enhancement layer PET rete is passed through to this embodiment, can show the puncture resistance intensity that strengthens this embodiment gained in advance laying waterproofing membrane.
Example 5
The embodiment provides a pre-paved anti-sticking waterproof roll as shown in fig. 3, which comprises a carrier layer, a non-asphalt-based self-adhesive layer 4 and a coating layer 6 which are arranged in a stacked manner; a particle layer 5 composed of inorganic particles is uniformly embedded in the coating layer 6.
The coating layer 6 is an epoxy resin coating layer 6.
The carrier layer includes the main part layer 3, pitch base self-adhesive layer 2 and the isolation rete 1 that set up in order.
The main body layer 3 is connected with the non-asphalt-based self-adhesive layer 4.
The non-asphalt-based self-adhesive layer 4 is a butyl rubber layer with a thickness of 0.25mm and a penetration of 40.
The total thickness of the main body layer 3 is 0.3mm, and specifically comprises a first PP layer, a first PE layer, a second PP layer, a second PE layer, a third PP layer, a third PE layer, a fourth PP layer and a fourth PE layer which are arranged in a stacked manner; the first PP layer is connected with the non-asphalt-based self-adhesive layer 4, and the fourth PE layer is connected with the adhesive layer.
In the embodiment, the particles in the particle layer 5 can be prevented from damaging the carrier layer through the arrangement of the coating layer 6, so that the carrier layer is prevented from being damaged in the transportation and construction processes, the construction efficiency is improved, and the construction effect is ensured; moreover, the Mohs hardness and the whiteness value of the granular layer 5 are moderate, so that the smooth field construction is facilitated.
Example 6
The embodiment provides a pre-paved reverse-bonding waterproof coiled material, which comprises a carrier layer, a non-asphalt-based self-adhesive layer 4 and a coating layer 6 which are arranged in a stacked manner; a particle layer 5 composed of inorganic particles is uniformly embedded in the coating layer 6.
The carrier layer includes the main part layer 3, pitch base self-adhesive layer 2 and the isolation rete 1 that set up in order.
The main body layer 3 is connected with the non-asphalt-based self-adhesive layer 4.
The non-asphalt-based self-adhesive layer 4 is a butyl rubber layer with a thickness of 0.25mm and a penetration of 40.
The total thickness of the main body layer 3 is 0.3mm, and specifically comprises a first PP layer, a first PE layer, a second PP layer, a second PE layer, a third PP layer, a third PE layer, a fourth PP layer and a fourth PE layer which are arranged in a stacked manner; the first PP layer is connected with the non-asphalt-based self-adhesive layer 4, and the fourth PE layer is connected with the adhesive layer.
Compared with the embodiment 5, the embodiment is also provided with 1 layer of polyester mesh fabric layer between the main body layer 3 and the non-asphalt-based self-adhesive layer 4.
In the embodiment, the arrangement of the reinforced polyester mesh fabric layer can significantly enhance the puncture resistance of the pre-paved waterproof roll material obtained in the embodiment.
Comparative example 1
This comparative example provides a pre-laid reverse-adhesion waterproofing membrane, which is the same as example 1 except that the coating layer is not included.
Comparative example 2
This comparative example provides a pre-laid reverse-bonded waterproof roll, which was the same as in example 2 except that the coating layer was not included.
The pre-laid reverse-stick waterproofing membranes provided in examples 1 to 6 and comparative examples 1 to 2 were tested for puncture resistance, particle submergence, and particle shedding. Wherein the test method of puncture resistance strength is performed according to appendix B in CJ/T234-2006; the particle submergence condition test is that after the coiled material is flatly laid, a cement board with the weight of 80KG is laminated for 1 minute, the submergence condition of the particle layer is observed from the cross section, and whether the particles penetrate through the self-adhesive layer or not is recorded in a repeated mode; the particle falling condition is that a scraper blade is used for applying a force of about 20N to the surface of the coiled material above the white paper for scraping, and the number of the particles falling off the white paper of various coiled materials is compared; the results obtained are shown in table 1.
TABLE 1
| Puncture strength (N) | Particle submergence situation | Particle shedding situation | |
| Example 1 | 295 | Non-penetrating self-adhesive layer | Few particles falling |
| Example 2 | 396 | Non-penetrating self-adhesive layer | Very few particles fallFall off |
| Example 3 | 293 | Non-penetrating self-adhesive layer | Few particles falling |
| Example 4 | 394 | Non-penetrating self-adhesive layer | Few particles falling |
| Example 5 | 295 | Non-penetrating self-adhesive layer | Without particle fall |
| Example 6 | 396 | Non-penetrating self-adhesive layer | Without particle fall |
| Comparative example 1 | 290 | Through self-adhesive layer | A small amount of particles fall off |
| Comparative example 2 | 390 | Through self-adhesive layer | A small amount of particles fall off |
In conclusion, the utility model can avoid the particles in the particle layer from damaging the carrier layer through the arrangement of the coating layer, thereby avoiding the damage of the carrier layer caused in the transportation and construction processes, being beneficial to improving the construction efficiency and ensuring the construction effect.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (10)
1. The pre-paved anti-sticking waterproof roll is characterized by comprising a carrier layer, a non-asphalt-based self-adhesive layer and a particle layer;
the carrier layer is connected with the non-asphalt-based self-adhesive layer;
the particle layer is connected with the non-asphalt-based self-adhesive layer through the coating layer.
2. The pre-paved anti-sticking waterproof roll material as claimed in claim 1, which comprises a carrier layer, a non-asphalt-based self-adhesive layer, a coating layer and a particle layer which are arranged in a stacked manner;
the thickness of the coating layer is less than the average diameter of the inorganic particles in the particle layer.
3. The pre-laid reverse-adhesion waterproof roll according to claim 1, wherein the pre-laid reverse-adhesion waterproof roll comprises a carrier layer, a non-asphalt-based self-adhesive layer and a particle layer which are arranged in a stacked manner;
the particles used in the particle layer are coated with a coating layer.
4. The pre-paved anti-sticking waterproof roll material as claimed in claim 1, which comprises a carrier layer, a non-asphalt-based self-adhesive layer and a coating layer which are arranged in a stacked manner;
a particle layer composed of inorganic particles is uniformly embedded in the coating layer;
the thickness of the coating layer is not less than the average diameter of the inorganic particles.
5. The pre-spread reverse-adhesion waterproof roll as claimed in claim 1, wherein the particle layer uses inorganic particles having a particle size range of 200-500 μm.
6. The pre-laid reverse-bonding waterproof roll according to claim 1, wherein the carrier layer comprises a main body layer, an asphalt-based self-adhesive layer and a barrier film layer which are sequentially arranged;
the main body layer is connected with the non-asphalt-based self-adhesive layer.
7. The roll of pre-laid reverse-adhered waterproofing membrane according to claim 6 wherein the bulk layer is at least 1 layer of a polymeric substrate.
8. The pre-laid reverse-bonded waterproof roll according to claim 7, wherein the polymer substrate layer includes any one of a polypropylene layer, a polyethylene layer, a polyvinyl chloride layer, a polytetrafluoroethylene layer, a polyvinylidene fluoride layer, a polyethylene terephthalate layer, or a polyamide layer.
9. The pre-laid reverse-adhesion waterproof roll according to any one of claims 6 to 8, wherein at least 1 reinforcing layer is arranged between the main body layer and the asphalt-based self-adhesive layer.
10. The pre-laid reverse-adhesion waterproof roll according to claim 9, wherein the reinforcing layer is a mesh fabric layer or a PET film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| 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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