WO2017092570A1 - 一种防水材料 - Google Patents

一种防水材料 Download PDF

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WO2017092570A1
WO2017092570A1 PCT/CN2016/106242 CN2016106242W WO2017092570A1 WO 2017092570 A1 WO2017092570 A1 WO 2017092570A1 CN 2016106242 W CN2016106242 W CN 2016106242W WO 2017092570 A1 WO2017092570 A1 WO 2017092570A1
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Prior art keywords
waterproof material
agent
waterproof
sensitive adhesive
material according
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PCT/CN2016/106242
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English (en)
French (fr)
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熊玉钦
徐恩顺
刘振华
刘宝印
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北京东方雨虹防水技术股份有限公司
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Publication of WO2017092570A1 publication Critical patent/WO2017092570A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/12Roof covering by making use of flexible material, e.g. supplied in roll form specially modified, e.g. perforated, with granulated surface, with attached pads

Definitions

  • the invention belongs to the technical field of building waterproof materials, and in particular relates to a waterproof material.
  • Concrete structures are commonly used in construction of buildings, transportation, subways, tunnels, etc. In these areas, the water seepage requirements for concrete structures are very high.
  • the surface of the concrete structure is usually coated with an anti-seepage coating, and the anti-seepage coating can form an anti-permeation coating on the surface of the concrete structure after curing.
  • the organic anti-penetration coating has poor bonding ability with the concrete structure, and the two are easily detached in long-term use, resulting in a decrease in waterproof ability.
  • the invention aims at the problem that the conventional polymer self-adhesive film has poor weather resistance and poor adhesion to the applied environment, and provides a waterproof material which can be closely combined with the concrete structure and has good weather resistance.
  • a waterproof material comprising a waterproof substrate, a pressure-sensitive adhesive layer, and a protective layer cured by an anti-penetration coating, the protective layer comprising an organic matrix and an inorganic filler and an inorganic substance dispersed in the organic matrix a particle having a particle diameter smaller than a particle diameter of the inorganic particle, and a part of the inorganic particle protruding from a deviation of the organic matrix
  • the surface of the pressure-sensitive adhesive layer, the total weight ratio of the respective components of the anti-penetration coating is 100%, and the respective components of the anti-penetration coating have the following weight percentages:
  • the projected area of the inorganic particles on the pressure-sensitive adhesive layer is 40% to 80% of the area of the pressure-sensitive adhesive layer.
  • the inorganic particles have a particle diameter of 50 to 500 ⁇ m.
  • the inorganic particles are selected from any one or a mixture of calcite particles, quartz stone particles, feldspar particles, silicate particles, and aluminate particles.
  • the pressure-sensitive adhesive layer has a thickness of 50 to 1500 ⁇ m.
  • the pressure-sensitive adhesive layer is a butyl rubber-based adhesive, a polyisobutylene-based adhesive, a butyl-based adhesive, an acrylic-based adhesive, or a styrene-isoprene-styrene-based adhesive.
  • a butyl rubber-based adhesive a polyisobutylene-based adhesive, a butyl-based adhesive, an acrylic-based adhesive, or a styrene-isoprene-styrene-based adhesive.
  • Mixture styrene-ethylene-butylene-styrene-based adhesive, styrene-butadiene-styrene-based adhesive, styrene-butadiene rubber-based adhesive, amorphous polyolefin-based adhesive
  • a mixture and a rubber modified asphalt binder a rubber modified asphalt binder.
  • the waterproof substrate has a thickness of 50 to 2500 ⁇ m.
  • the waterproof substrate is made of any one of an EVA (ethylene-vinyl acetate copolymer) waterproof material, a TPO (thermoplastic polyolefin) waterproof material, and a HDPE (high density polyethylene) waterproof material.
  • EVA ethylene-vinyl acetate copolymer
  • TPO thermoplastic polyolefin
  • HDPE high density polyethylene
  • the polymer emulsion is selected from any one or a mixture of any of a polyacrylic acid copolymer emulsion, a polyethylene vinyl acetate copolymer emulsion, and a styrene butadiene rubber emulsion.
  • the inorganic filler is selected from any one or a mixture of any one of a calcium carbonate filler, a perlite filler, a titanium dioxide filler, a kaolin filler, and a wollastonite filler.
  • the dispersing agent is one or more of dispersing agent DP270, dispersing agent DA40, and dispersing agent 5040;
  • the wetting agent is one or more of a wetting agent NP10, a wetting agent X405, a wetting agent CF10, and a wetting agent DM-410;
  • the antifoaming agent is one or more of an antifoaming agent 7010, an antifoaming agent NXZ, an antifoaming agent F-111, and an antifoaming agent A10;
  • the thickener is one or more of a thickener RM-8W, a thickener ASE-60, and a thickener 250HBR;
  • the auxiliary agent is one or more of a preservative, an anti-settling agent, an antifreeze agent, and a film forming aid.
  • the protective layer includes an organic matrix formed by curing of the polymer emulsion and dispersing the inorganic particles and the inorganic filler therein, and therefore, the protective layer has better ultraviolet aging resistance, thereby improving the overall waterproof material. Weather resistance is beneficial to the long-term storage of the waterproof material.
  • FIG. 1 is a schematic structural view of a waterproof material provided by the present invention.
  • Figure 2 is a schematic view showing the overall structure of the waterproof material of Figure 1 combined with concrete.
  • 100 waterproof material
  • 110 waterproof substrate
  • 120 pressure-sensitive adhesive layer
  • 130 protective layer
  • 131 organic substrate
  • 132 inorganic particles
  • 133 inorganic filler
  • a waterproof material 100 is provided, wherein, as shown in FIG. 1, the waterproof material comprises a waterproof substrate 110, a pressure-sensitive adhesive layer 120, and a protective layer cured by an anti-penetration coating. 130.
  • the protective layer 130 includes an organic matrix 131 and an inorganic filler 133 and inorganic particles 132 dispersed in the organic matrix 131, and the inorganic filler 133 has a particle diameter smaller than that of the inorganic particles 132.
  • the waterproof substrate 110 is made of a flexible polymer material.
  • the waterproof substrate 110 has good waterproof performance and also has good flexibility and can be attached to the foundation.
  • the pressure-sensitive adhesive layer 120 is first bonded to the waterproof substrate 110, and then the anti-penetration coating is applied to the pressure-sensitive adhesive layer 120. Finally, the anti-penetration coating is cured and dried to obtain a protective layer 130 bonded to the pressure-sensitive adhesive layer 120. Since the surface of the pressure-sensitive adhesive layer 120 is provided with the protective layer 130, when the waterproof material 100 is transported, the waterproof material 100 can be wound into a roll without causing unnecessary adhesion.
  • the protective layer 130 includes an organic matrix 131 formed by curing of a polymer emulsion and dispersed therein inorganic particles 132 and inorganic fillers 133, and therefore, the protective layer has better ultraviolet aging resistance, thereby improving the overall quality of the waterproof material 100.
  • the weather resistance is advantageous for long-term storage of the waterproof material 100.
  • the protective layer 130 formed of the anti-penetration coating can be firmly bonded to the waterproof substrate 110 due to the adhesion of the pressure-sensitive adhesive layer 120 and the curing action of the polymer emulsion in the barrier coating layer. Therefore, the phenomenon that the inorganic particles 132 fall off is less likely to occur during the transportation of the waterproof material.
  • the organic matrix 131 is a continuous phase in which a polymer emulsion is solidified, and the inorganic particles 132 and the inorganic filler 133 are dispersed phases dispersed in the organic matrix 131. Therefore, the organic matrix 131 can firmly fix the inorganic particles 132 in the protective layer 130. Thereby, it is further ensured that the inorganic particles 132 do not fall off from the waterproof material.
  • the waterproof material When the waterproof material is used in the building foundation, the waterproof material is laid on the surface of the foundation of the building, the surface of the waterproof substrate 110 faces the building foundation, and then the concrete is poured onto the protective layer 130.
  • the protective layer 130 bonded to the waterproof substrate 110 by the pressure-sensitive adhesive layer 120 can protect the waterproof substrate 110, so that the effective life of the waterproof material 100 provided by the present invention can be effectively extended.
  • the inorganic particles 132 having a large size in the protective layer 130 protrude from the surface of the protective layer 130, a good mechanical occlusion structure can be formed with the concrete 200 poured on the surface of the protective layer, thereby improving The bonding strength between the concrete 200 and the waterproof material.
  • the waterproof material 100 provided by the present invention is pre-formed prior to construction, and the protective layer 130 has been cured for transportation. Also, since the waterproof material 100 is made in advance, it can be mass-produced. When the waterproof material 100 is used, the waterproof material 100 can be directly laid on the foundation, and the protective layer 130 is not required to be applied on the waterproof material 100 in the field, thereby saving the time required for on-site construction.
  • a wetting agent In the anti-penetration coating, a wetting agent, a dispersing agent, an antifoaming agent, a thickener, and an auxiliary agent may be added.
  • the addition of the wetting agent serves to allow the anti-penetration coating to spread better on the pressure-sensitive adhesive layer and to improve the bonding strength between the pressure-sensitive adhesive layer and the protective layer.
  • the function of the dispersant is to improve the dispersion uniformity of the anti-penetration coating inorganic particles 132, so that the inorganic particles 132 are uniformly distributed in the organic matrix 131 of the protective layer obtained by curing.
  • the projected area of the inorganic particles 132 on the pressure-sensitive adhesive layer is 40% to 80% of the area of the pressure-sensitive adhesive layer.
  • the proportion in the protective layer of the inorganic particles 132 is already sufficient to protect the waterproof substrate 110, and also, the inorganic particles 132 are not peeled off due to the excessive number of the inorganic particles 132.
  • the inorganic particles 132 have a particle diameter of 50 to 500 ⁇ m.
  • the material of the inorganic particles 132 is not particularly limited.
  • the inorganic particles 132 may be selected from the group consisting of calcite particles, quartz stone particles, feldspar particles, silicate particles, and aluminate particles. Any one or a mixture of any of them.
  • the pressure-sensitive adhesive layer 120 has a thickness of 50 to 1500 ⁇ m. Setting the thickness of the pressure sensitive adhesive within this range ensures that the protective layer is firmly bonded to The waterproof substrate 110 is on.
  • the specific structure of the pressure-sensitive adhesive layer 120 is also not particularly limited.
  • the pressure-sensitive adhesive layer 120 is a butyl rubber-based adhesive, a polyisobutylene-based adhesive, or a butyl-based adhesive.
  • Adhesive acrylic based adhesive, styrene-isoprene-styrene based adhesive, styrene-ethylene-butylene-styrene based adhesive, styrene-butadiene-styryl
  • a binder a styrene-butadiene rubber-based binder, an amorphous polyolefin-based binder, and a rubber-modified asphalt binder.
  • the waterproof substrate 110 has a thickness of 50 to 2500 ⁇ m.
  • the waterproof substrate 110 is made of any one of an EVA waterproof material, a TPO waterproof material, and an HDPE waterproof material.
  • the specific type of the polymer emulsion is not particularly limited as long as it can function to bond the inorganic particles 132 together.
  • the polymer emulsion is selected from any one or a mixture of any of a polyacrylic acid copolymer emulsion, a polyvinyl acetate copolymer emulsion, and a styrene butadiene rubber emulsion.
  • the protective layer further includes an inorganic filler 133 dispersed in the organic matrix 131, and the inorganic filler 133 accounts for 5% to 10% by weight of the anti-penetration coating.
  • the inorganic filler 133 can increase the viscosity of the anti-penetration coating, so that the anti-penetration coating can be uniformly coated on the pressure-sensitive adhesive layer 120. Also, the inorganic filler 133 can also increase the strength of the protective layer 130, so that the waterproof substrate 110 can be better protected. In addition to this, the addition of the inorganic filler 133 to the protective layer can also improve the ability of the protective layer to resist ultraviolet aging.
  • the inorganic filler 133 is selected from any one or a mixture of any one of a calcium carbonate filler, a perlite filler, a titanium dioxide filler, a kaolin filler, and a wollastonite filler.
  • the dispersing agent is one or more of a dispersing agent DP270, a dispersing agent DA40, and a dispersing agent 5040.
  • the wetting agent is one or more of wetting agent NP10, wetting agent X405, wetting agent CF10, wetting agent DM-410.
  • the antifoaming agent is an antifoaming agent 7010, an antifoaming agent NXZ, an antifoaming agent F-111, One or several of the antifoaming agents A10.
  • the thickener is one or more of a thickener RM-8W, a thickener ASE-60, and a thickener 250HBR.
  • the auxiliary agent is one or more of a preservative, an anti-settling agent, an antifreeze agent, and a film forming aid.
  • the anti-penetration coating layer is dried and cured to form the protective layer after the anti-penetration coating layer is cured.
  • the anti-penetration coating can be sprayed on the pressure-sensitive adhesive layer by an automatic spraying device, and the thickness of the coating layer formed by the anti-penetration coating should be uniform, not floating, not blooming, and not flowing. .
  • the semi-finished product including the waterproof substrate, the pressure-sensitive adhesive layer and the anti-penetration coating layer may be entirely placed in a drying device for drying, and the drying temperature is 80 to 100 ° C, and the drying time is 3 to 5 minutes.
  • the obtained waterproof material is cooled and packaged.
  • the embodiment provides a waterproof material, and the waterproof material is prepared according to the following method:
  • the polymer emulsion is vinegar-acryl emulsion BLJ-358 (a polyacrylic acid copolymer emulsion), the inorganic particles are 100 mesh calcite particles, the dispersing agent is a dispersing agent DP270, and the defoaming agent is defoaming.
  • Agent F-111, the auxiliary agent is an anti-settling agent;
  • the anti-penetration coating required in the step 1 was prepared as follows:
  • the HDPE self-adhesive film waterproof material is unfolded and the release layer is removed.
  • the HDPE self-adhesive film waterproof material is HDPE self-adhesive film waterproofing membrane produced and sold by Oriental Yuhong Company.
  • the HDPE self-adhesive film The invention comprises a waterproof substrate made of HDPE waterproof material and a pressure sensitive adhesive (butyl rubber based adhesive) layer disposed on the waterproof substrate;
  • the mechanical reciprocating mechanism drives the spraying device to reciprocate and evenly move, and the anti-penetration coating is evenly coated on the pressure-sensitive adhesive layer of the HDPE self-adhesive film waterproof material to form the anti-penetration coating layer.
  • the HDPE self-adhesive film waterproofing material coated with the anti-penetration coating layer is dried in a drying oven at a temperature of 80 ° C and a drying time of 5 minutes to obtain a product waterproof material.
  • the embodiment provides a waterproof material, which can be prepared according to the method provided in Embodiment 1, and is different from Embodiment 1 in that:
  • the anti-penetration coating contains the following components by weight:
  • the polymer emulsion is a benzene-acryl emulsion bc-991
  • the inorganic filler is a 1000-mesh perlite filler
  • the dispersant is a dispersant 5040
  • the wetting agent is a wetting agent NP10
  • the antifoaming agent The antifoaming agent A10, the auxiliary agent is an antifreeze agent
  • the inorganic particles are 200 mesh quartz stone particles;
  • the waterproof substrate is a TPO waterproof sheet having a thickness of 1000 ⁇ m
  • the pressure-sensitive adhesive layer is made of a polyisobutylene-based adhesive and has a thickness of 100 ⁇ m.
  • the embodiment provides a waterproof material, which can be prepared according to the method provided in Embodiment 1, and is different from Embodiment 1 in that:
  • the polymer emulsion is a silicon-acrylic emulsion SD-528
  • the inorganic filler is a mixture of 60 g of 1000-mesh calcium and 50 g of DuPont R902 titanium dioxide
  • the dispersing agent is a dispersing agent DA40
  • the wetting agent is a wetting agent.
  • the antifoaming agent is an antifoaming agent 7010
  • the auxiliary agent is a preservative.
  • the waterproof material was prepared in accordance with the method disclosed in Example 1, except that the drying temperature was 100 ° C and the drying time was 3 minutes.
  • the embodiment provides a waterproof material, which can be prepared according to the method provided in Embodiment 1, and is different from Embodiment 1 in that:
  • the polymer emulsion is a polyethylene vinyl acetate copolymer emulsion GW-707
  • the inorganic filler is a calcium carbonate filler
  • the dispersing agent is a dispersing agent DP270
  • the wetting agent is a wetting agent NP10.
  • the foaming agent is an antifoaming agent NXZ and an antifoaming agent F-111 (weight ratio of 3:2)
  • the auxiliary agent is an antifreezing agent and a film forming auxiliary agent (weight ratio 1:3);
  • the waterproof substrate is an EVA waterproof material having a thickness of 2500 ⁇ m and a binder thickness of 300 ⁇ m.
  • the waterproof material was prepared in accordance with the method disclosed in Example 1.
  • Example 3 The waterproof material in Example 3, the commercially available waterproof material (HDPE waterproof board) of Comparative Sample 1, and the commercially available waterproof material (TPO waterproof board) of Comparative Sample 2 were respectively subjected to the inspection basis and inspection items listed in Table 1. And test conditions for testing. It can be seen from Table 1 that the waterproof material in Example 3 is peeled off after the artificial weathering treatment and the post-concrete concrete peeling strength is higher than that of the comparative sample 1 with respect to the comparative sample 1 and the comparative sample 2, respectively. Comparing sample 2; when the waterproof material in the embodiment 3 is watered, the peeling strength of the waterproof material after the artificial weathering treatment and the post-cast concrete is higher than that of the comparative sample 1 and the comparative sample 2.
  • the protective layer provided on the waterproof material in the embodiment makes it unnecessary to provide a removable anti-adhesive peeling layer on the waterproof material, the waterproof material can be directly unrolled, the upper body walks, and the waterproof material has better bonding with the concrete.
  • the strength, the anti-hydrophobic property, and the special weather resistance are good, and the adhesive strength of the pressure-sensitive adhesive layer of the waterproof material is high.

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Abstract

一种防水材料(100),包括依次设置的防水基板(110)、压敏胶粘剂层(120)、由抗渗透涂料固化而成的保护层(130),保护层(130)包括有机基体(131)和分散在有机基体(131)中的无机填料(133)和无机颗粒(132),部分无机颗粒(132)凸出于有机基体(131)的背离压敏胶粘剂层(120)的表面,抗渗透涂料的各个组分具有如下重量百分比:聚合物乳液5-50%,无机填料5-15%,无机颗粒20-70%,润湿剂0-10%,水10-50%,分散剂0-5%,消泡剂0-5%,增稠剂0-5%,助剂0-5%。该防水材料能与混凝土结构紧密结合且具有良好的耐候性。

Description

一种防水材料 技术领域
本发明属于建筑防水材料技术领域,具体涉及一种防水材料。
背景技术
在建筑、交通、地铁、隧道等工程建设中常用到混凝土结构,在这些领域中,对混凝土结构的防渗水要求非常高。
现有技术中为了实现混凝土结构的防渗水性能,通常在混凝土结构的表面涂覆防渗水涂料,该防渗水涂料固化后可以在混凝土结构的表面形成防渗透涂层。然而有机的防渗透涂层与混凝土结构的结合能力欠佳,在长期使用中二者容易脱离导致防水能力降低。
在上述的混凝土结构进行防水时,通常还需要用到附有自粘胶的高分子防水板,没有任何覆盖层的胶,耐候性比较差,在铺设后未浇筑混凝土前自然曝晒容易老化。如果在老化的高分子自粘胶膜应用于现场施工中,无法与结构混凝土满粘,失去了防窜水的效果,渗漏将不可避免的发生。
因此,如何提高高分子自粘胶膜产品的耐候性,同时要使得防水材料与混凝土结构紧密结合成为本领域亟待解决的技术问题。
发明内容
本发明针对现有的高分子自粘胶膜的耐候性差、与所应用环境的结合力差的问题,提供一种防水材料,该防水材料能与混凝土结构紧密结合且具有良好耐候性。
解决本发明技术问题所采用的技术方案是:
一种防水材料,其中,包括依次设置的防水基板、压敏胶粘剂层、由抗渗透涂料固化而成的保护层,所述保护层包括有机基体和分散在所述有机基体中的无机填料和无机颗粒,所述无机填料的粒径小于所述无机颗粒的粒径,部分所述无机颗粒凸出于所述有机基体的背离所 述压敏胶粘结剂层的表面,所述抗渗透涂料的各个组分的总重量比为100%,所述抗渗透涂料的各个组分具有如下重量百分比:
Figure PCTCN2016106242-appb-000001
优选地,所述无机颗粒在所述压敏胶粘结剂层上的投影面积为所述压敏胶粘结剂层面积的40%~80%。
优选地,所述无机颗粒的粒径为50~500μm。
优选地,所述无机颗粒选自方解石颗粒、石英石颗粒、长石颗粒、硅酸盐颗粒和铝酸盐颗粒中的任意一者或者任意几者的混合物。
优选地,所述压敏胶粘剂层的厚度为50~1500μm。
优选地,所述压敏胶粘剂层采用丁基橡胶基粘合剂、聚异丁烯基粘合剂、丁基系粘合剂、丙烯酸基粘合剂、苯乙烯-异戊二烯-苯乙烯基粘合剂、苯乙烯-乙烯-丁烯-苯乙烯基粘合剂、苯乙烯-丁二烯-苯乙烯基粘合剂、苯乙烯-丁二烯橡胶基粘合剂、无定型聚烯烃类粘合剂、橡胶改性沥青粘合剂中的一种或几种。
优选地,所述防水基板的厚度为50~2500μm。
优选地,防水基板由EVA(乙烯-醋酸乙烯共聚物)防水材料、TPO(热塑性聚烯烃)防水材料、HDPE(高密度聚乙烯)防水材料中的任意一种制成。
优选地,所述聚合物乳液选自聚丙烯酸共聚物乳液、聚乙烯乙酸乙烯酯共聚物乳液和丁苯橡胶乳液中的任意一者或任意几者的混合物。
优选地,所述无机填料选自碳酸钙填料、珍珠岩填料、钛白粉填料、高岭土填料、硅灰石填料中的任意一者或任意几者的混合物。
优选地,所述分散剂为分散剂DP270、分散剂DA40、分散剂5040中的一种或几种;
所述润湿剂为润湿剂NP10、润湿剂X405、润湿剂CF10、润湿剂DM-410中的一种或几种;
所述消泡剂为消泡剂7010、消泡剂NXZ、消泡剂F-111、消泡剂A10中的一种或几种;
所述的增稠剂为增稠剂RM-8W、增稠剂ASE-60、增稠剂250HBR中的一种或几种;
所述助剂为防腐剂、防沉剂、防冻剂、成膜助剂中的一种或几种。
在所述防水材料中,保护层包括由聚合物乳液固化形成的有机基体以及分散其中无机颗粒、无机填料,因此,所述保护层具有较好的耐紫外线老化性能,从而提高了防水材料的整体耐候性,有利于该防水材料的长期存放。
附图说明
图1是本发明所提供的防水材料的结构示意图;
图2是图1中的防水材料与混凝土相结合的整体结构示意图。
其中,附图标记为:
100:防水材料;110:防水基板;120:压敏胶粘剂层;130:保护层;131:有机基体;132:无机颗粒;133:无机填料;200:混凝土。
具体实施方式
为使本领域技术人员更好地理解本发明的技术方案,下面结合附图和具体实施方式对本发明作进一步详细描述。
作为本发明的一个方面,提供一种防水材料100,其中,如图1所示,所述防水材料包括依次设置的防水基板110、压敏胶粘剂层120、由抗渗透涂料固化而成的保护层130。该保护层130包括有机基体131和分散在该有机基体131中的无机填料133和无机颗粒132,无机填料133的粒径小于无机颗粒132的粒径。部分无机颗粒132凸出于有机基体131的背离压敏胶粘结剂层120的表面,所述抗渗透涂料的各 个组分的总重量比为100%,所述抗渗透涂料的各个组分具有如下重量百分比:
Figure PCTCN2016106242-appb-000002
需要指出的是,防水基板110是由柔性的高分子材料制成的。防水基板110具有较好的防水性能,也具有良好的柔性,可以与地基贴合。
在制备本发明所提供的防水材料100时,首先将压敏胶粘结剂层120粘结在防水基板110上,然后再将所述抗渗透涂料涂覆在压敏胶粘结剂层120上,最后将所述抗渗透涂料固化干燥,以获得粘结在压敏胶粘结剂层120上的保护层130。由于压敏胶粘结剂层120的表面设置了保护层130,因此,在运输防水材料100时,可以将防水材料100卷成卷材,而不会造成不必要的粘连。并且,保护层130包括由聚合物乳液固化形成的有机基体131以及分散其中无机颗粒132、无机填料133,因此,所述保护层具有较好的耐紫外线老化性能,从而提高了防水材料100的整体耐候性,有利于该防水材料100的长期存放。
得益于压敏胶粘结剂层120的粘结作用以及抗渗涂料层中的聚合物乳液的固化作用,抗渗透涂料形成的保护层130能够牢固地粘结在防水基板110上。因此,在运输所述防水材料的过程中不容易出现无机颗粒132脱落的现象。
在保护层130中,有机基体131是聚合物乳液固化而成的连续相,无机颗粒132和无机填料133是分散在所述有机基体131中的分散相。因此,有机基体131可以将无机颗粒132牢固地固定在保护层130中, 从而进一步确保了无机颗粒132不会从所述防水材料上脱落。
建筑地基中使用所述防水材料时,将所述防水材料铺设在建筑的地基表面上,防水基板110的表面朝向建筑地基,然后向保护层130上浇筑混凝土。通过压敏胶粘结剂层120粘结在防水基板110上的保护层130可以对防水基板110进行保护,从而可以有效地延长本发明所提供的防水材料100的有效寿命。并且,如图2所示,由于保护层130中尺寸较大的无机颗粒132凸出于保护层130的表面,从而可以与浇筑在保护层表面的混凝土200形成较好的机械咬合结构,从而提高了混凝土200与所述防水材料之间的结合强度。
除此之外,本发明所提供的防水材料100是在施工之前预先制成的,保护层130已经固化,便于运输。并且,由于防水材料100是预先制成,因此可以批量生产。在使用防水材料100时,直接将防水材料100铺设在地基上即可,无需现场向防水材料100上涂覆保护层130,从而节约了现场施工所需的时间。
在所述抗渗透涂料中,可以添加润湿剂、分散剂、消泡剂、增稠剂和助剂。添加润湿剂的作用在于,可以使得抗渗透涂料更好地铺展在压敏胶粘结剂层上,提高压敏胶粘结剂层与保护层之间的结合强度。分散剂的作用在于提高抗渗透涂料无机颗粒132的分散均匀性,从而使得无机颗粒132均匀地分布在固化获得的保护层的有机基体131中。
优选地,所述无机颗粒132在所述压敏胶粘结剂层上的投影面积为所述压敏胶粘结剂层面积的40%~80%。在这种情况中,无机颗粒132保护层中所占的比例已经足以对防水基板110进行保护,并且,也不会因为无机颗粒132的数量过多而导致无机颗粒132脱落。
为了达到良好的机械咬合效果,优选地,所述无机颗粒132的粒径为50~500μm。
在本发明中,对无机颗粒132的材料并不做特殊的限定,例如,所述无机颗粒132可以选自方解石颗粒、石英石颗粒、长石颗粒、硅酸盐颗粒和铝酸盐颗粒中的任意一者或者任意几者的混合物。
优选地,所述压敏胶粘剂层120的厚度为50~1500μm。将所述压敏胶的厚度设置在此范围内,可以确保将所述保护层牢固地粘结在 所述防水基板110上。
在本发明中,压敏粘胶粘结剂层120的具体结构也没有特殊的限制,优选地,压敏胶粘剂层120采用丁基橡胶基粘合剂、聚异丁烯基粘合剂、丁基系粘合剂、丙烯酸基粘合剂、苯乙烯-异戊二烯-苯乙烯基粘合剂、苯乙烯-乙烯-丁烯-苯乙烯基粘合剂、苯乙烯-丁二烯-苯乙烯基粘合剂、苯乙烯-丁二烯橡胶基粘合剂、无定型聚烯烃类粘合剂、橡胶改性沥青粘合剂中的一种或几种。
为了提供较好的防水效果,优选地,防水基板110的厚度为50~2500μm。
在本发明中,对防水基板110的材料也没有特殊的要求,优选地,防水基板110由EVA防水材料、TPO防水材料、HDPE防水材料中的任意一种制成。
在本发明中,对聚合物乳液的具体类型也不做特殊的限定,只要能够起到将所述无机颗粒132粘合在一起即可。例如,所述聚合物乳液选自聚丙烯酸共聚物乳液、聚乙烯乙酸乙烯酯共聚物乳液和丁苯橡胶乳液中的任意一者或任意几者的混合物。
优选地,所述保护层还包括分散在所述有机基体131中的无机填料133,在所述抗渗透涂料中,所述无机填料133所占的重量比为5%~10%。
无机填料133可以增加抗渗透涂料的粘稠度,从而可以使得抗渗透涂料能够均匀地涂覆在压敏胶粘结剂层120上。并且,无机填料133也可以增加保护层130的强度,从而可以对防水基板110进行更好保护。除此之外,在保护层中增加无机填料133还可以提高所述保护层的抗紫外线老化的能力。
优选地,所述无机填料133选自碳酸钙填料、珍珠岩填料、钛白粉填料、高岭土填料、硅灰石填料中的任意一者或任意几者的混合物。
优选地,所述分散剂为分散剂DP270、分散剂DA40、分散剂5040中的一种或几种。
优选地,所述润湿剂为润湿剂NP10、润湿剂X405、润湿剂CF10、润湿剂DM-410中的一种或几种。
优选地,所述消泡剂为消泡剂7010、消泡剂NXZ、消泡剂F-111、 消泡剂A10中的一种或几种。
优选地,所述的增稠剂为增稠剂RM-8W、增稠剂ASE-60、增稠剂250HBR中的一种或几种。
优选地,所述助剂为防腐剂、防沉剂、防冻剂、成膜助剂中的一种或几种。
下面简单介绍本发明所提供的防水材料的制备方法,所述制备方法包括以下步骤:
制备抗渗透涂料;
在防水基板上设置压敏胶粘结剂层;
将抗渗透涂料涂覆在压敏胶粘结剂层上,以形成抗渗透涂料层;
对所述抗渗透涂料层进行干燥固化,以使得所述抗渗透涂料层固化后形成所述保护层。
在本发明中,可以通过自动喷涂设备将抗渗透涂料喷涂在所述压敏胶粘结剂层上,应当保证抗渗透涂料形成的涂料层厚度均匀一致、不浮色、不发花、不流淌。
在对抗渗透涂料层进行干燥固化时,可以将包括防水基板、压敏胶粘结剂层和抗渗透涂料层的半成品整体放入干燥设备内进行干燥,干燥温度为80~100℃,干燥时间为3~5分钟。
干燥完成后,对获得的防水材料进行冷却和包装。
实施例
实施例1
本实施例提供一种防水材料,按照如下方法制备所述防水材料:
1、制备抗渗透涂料,所述抗渗透涂料包括如下组分:
Figure PCTCN2016106242-appb-000003
Figure PCTCN2016106242-appb-000004
所述聚合物乳液为醋-丙乳液BLJ-358(一种聚丙烯酸共聚物乳液),所述无机颗粒为100目的方解石颗粒,所述分散剂为分散剂DP270,所述消泡剂为消泡剂F-111,所述助剂为防沉剂;
具体的,按照以下方法制备步骤1中所需的抗渗透涂料:
(1)按上述配方精确称取自来水,加入分散缸中,搅拌转速为100转/分钟,搅拌均匀;
(2)精确称取分散剂、润湿剂、消泡剂、增稠剂、助剂,加入上述分散缸中,搅拌转速为100转/分钟,低速搅拌3分钟,搅拌均匀;
(3)提高搅拌速度至200转/分钟,缓慢均匀加入已精确称取的无机颗粒,10分钟加入完毕,搅拌均匀;
(4)精确称取聚合物乳液然后缓慢均匀加入,5分钟加料完毕,搅拌转速为200转/分,低速分散5分钟,搅拌均匀,静置5分钟,得到抗渗透涂料。
2、将HDPE自粘胶膜防水材料展开,并去除离型层,其中,HDPE自粘胶膜防水材料为东方雨虹公司生产销售的HDPE自粘胶膜防水卷材,该HDPE自粘胶膜包括由HDPE防水材料制成的防水基板和设置在防水基板上的压敏胶粘结剂(丁基橡胶基粘合剂)层;
3、利用自动喷涂设备,以机械往复机构带动喷涂装置往复均匀运动,将抗渗透涂料均匀地涂覆在HDPE自粘胶膜防水材料的压敏胶粘结剂层上,以形成抗渗透涂料层;
4、将喷涂有抗渗透涂料层的HDPE自粘胶膜防水材料放入干燥炉内干燥,温度为80℃,干燥时间为5分钟得到产品防水材料。
实施例2
本实施例提供一种防水材料,可以按照实施例1中所提供的方法制备所述防水材料,与实施例1的不同之处在于:
所述抗渗透涂料按照重量计含有如下组分:
Figure PCTCN2016106242-appb-000005
Figure PCTCN2016106242-appb-000006
所述聚合物乳液为苯-丙乳液bc-991,所述无机填料为1000目的珍珠岩填料,所述分散剂为分散剂5040,所述润湿剂为润湿剂NP10,所述消泡剂为消泡剂A10,所述助剂为防冻剂,所述无机颗粒为200目的石英石颗粒;
防水基板为TPO防水板,厚度为1000μm,压敏胶粘结剂层由聚异丁烯基粘合剂制成,厚度为100μm。
实施例3
本实施例提供一种防水材料,可以按照实施例1中所提供的方法制备所述防水材料,与实施例1的不同之处在于:
Figure PCTCN2016106242-appb-000007
所述聚合物乳液为硅-丙乳液SD-528,所述无机填料为60g1000目重钙与50g杜邦R902钛白粉的混合物,所述分散剂为分散剂DA40,所述润湿剂为润湿剂CF10,所述消泡剂为消泡剂7010,所述助剂为防腐剂。
按照实施例1中所公开的方法制备所述防水材料,不同之处在于,烘干温度为100℃,干燥时间为3分钟。
实施例4
本实施例提供一种防水材料,可以按照实施例1中所提供的方法制备所述防水材料,与实施例1的不同之处在于:
Figure PCTCN2016106242-appb-000008
所述聚合物乳液为聚乙烯乙酸乙烯酯共聚物乳液GW-707,所述无机填料为碳酸钙填料,所述分散剂为分散剂DP270,所述润湿剂为润湿剂NP10,所述消泡剂为消泡剂NXZ和消泡剂F-111(重量比为3:2),所述助剂为防冻剂和成膜助剂(重量比为1:3);
防水基板为EVA防水材料,厚度为2500μm,粘结剂厚度为300μm。
按照实施例1中所公开的方法制备所述防水材料。
实验例
将实施例3中的防水材料、对比样品1的市售防水材料(HDPE防水板)、对比样品2的市售防水材料(TPO防水板),分别按照表1中所列的检验依据、检验项目以及试验条件进行检测。从表1可以看出,分别相对于对比样品1、对比样品2,实施例3中的防水材料在不淋水时,防水材料经人工气候老化处理后与后浇混凝土剥离强度高于对比样品1、对比样品2;实施例3中的防水材料在淋水时,防水材料经人工气候老化处理后与后浇混凝土剥离强度高于对比样品1、对比样品2。
Figure PCTCN2016106242-appb-000009
表1
本实施例中的防水材料上设置的保护层,使得防水材料上无需设置可移除的防粘剥离层,防水材料可直接开卷,上人行走,而且防水材料还具有与混凝土更加优异的粘接强度、防窜水性,特别耐候性好,防水材料的压敏胶粘剂层的粘接强度保持率高。
可以理解的是,以上实施方式仅仅是为了说明本发明的原理而采用的示 例性实施方式,然而本发明并不局限于此。对于本领域内的普通技术人员而言,在不脱离本发明的精神和实质的情况下,可以做出各种变型和改进,这些变型和改进也视为本发明的保护范围。

Claims (11)

  1. 一种防水材料,其特征在于,包括依次设置的防水基板、压敏胶粘剂层、由抗渗透涂料固化而成的保护层,所述保护层包括有机基体和分散在所述有机基体中的无机填料和无机颗粒,所述无机填料的粒径小于所述无机颗粒的粒径,部分所述无机颗粒凸出于所述有机基体的背离所述压敏胶粘结剂层的表面,所述抗渗透涂料的各个组分的总重量比为100%,所述抗渗透涂料的各个组分具有如下重量百分比:
    Figure PCTCN2016106242-appb-100001
  2. 根据权利要求1所述的防水材料,其特征在于,所述无机颗粒在所述压敏胶粘结剂层上的投影面积为所述压敏胶粘结剂层面积的40%~80%。
  3. 根据权利要求1所述的防水材料,其特征在于,所述无机颗粒的粒径为50~500μm。
  4. 根据权利要求3所述的防水材料,其特征在于,所述无机颗粒选自方解石颗粒、石英石颗粒、长石颗粒、硅酸盐颗粒和铝酸盐颗粒中的任意一者或者任意几者的混合物。
  5. 根据权利要求1所述的防水材料,其特征在于,所述压敏胶 粘剂层的厚度为50~1500μm。
  6. 根据权利要求5所述的防水材料,其特征在于,所述压敏胶粘剂层采用丁基橡胶基粘合剂、聚异丁烯基粘合剂、丁基系粘合剂、丙烯酸基粘合剂、苯乙烯-异戊二烯-苯乙烯基粘合剂、苯乙烯-乙烯-丁烯-苯乙烯基粘合剂、苯乙烯-丁二烯-苯乙烯基粘合剂、苯乙烯-丁二烯橡胶基粘合剂、无定型聚烯烃类粘合剂、橡胶改性沥青粘合剂中的一种或几种。
  7. 根据权利要求1所述的防水材料,其特征在于,所述防水基板的厚度为50~2500μm。
  8. 根据权利要求7所述的防水材料,其特征在于,防水基板由EVA防水材料、TPO防水材料、HDPE防水材料中的任意一种制成。
  9. 根据权利要求1所述的防水材料,其特征在于,所述聚合物乳液选自聚丙烯酸共聚物乳液、聚乙烯乙酸乙烯酯共聚物乳液和丁苯橡胶乳液中的任意一者或任意几者的混合物。
  10. 根据权利要求1所述的防水材料,其特征在于,所述无机填料选自碳酸钙填料、珍珠岩填料、钛白粉填料、高岭土填料、硅灰石填料中的任意一者或任意几者的混合物。
  11. 根据权利里要求1所述的防水材料,其特征在于,所述分散剂为分散剂DP270、分散剂DA40、分散剂5040中的一种或几种;
    所述润湿剂为润湿剂NP10、润湿剂X405、润湿剂CF10、润湿剂DM-410中的一种或几种;
    所述消泡剂为消泡剂7010、消泡剂NXZ、消泡剂F-111、消泡剂A10中的一种或几种;
    所述的增稠剂为增稠剂RM-8W、增稠剂ASE-60、增稠剂250HBR中的一种或几种;
    所述助剂为防腐剂、防沉剂、防冻剂、成膜助剂中的一种或几种。
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CN113637384A (zh) * 2021-07-26 2021-11-12 东方雨虹民用建材有限责任公司 一种环保型环氧树脂复合防水涂料及其制备方法和施工方法及防水涂层
CN114854265A (zh) * 2021-06-24 2022-08-05 安徽牛元新材料有限公司 一种用于防水系统界面处理的界面剂及其制备方法
CN114958097A (zh) * 2022-07-18 2022-08-30 吉士达建设集团有限公司 一种高分子渗透型防水涂料
CN115110704A (zh) * 2022-06-29 2022-09-27 雨中情防水技术集团股份有限公司 一种用于屋面修缮的涂-卷复合防水系统
CN116179008A (zh) * 2022-12-05 2023-05-30 虹之网信息科技有限公司 表面改性颗粒、防水卷材及其制备方法

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CN115703938A (zh) * 2021-08-06 2023-02-17 江苏凯伦建材股份有限公司 用于防水复合材料的涂料组合物和包含其的防水复合材料
CN115341668A (zh) * 2022-08-01 2022-11-15 昆山科顺防水材料有限公司 预铺防水卷材及其制备方法

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EP3825373A1 (en) * 2019-11-20 2021-05-26 Jiangsu Canlon Building Materials Co., Ltd. Pre-laid polymer waterproof rolling material
CN114854265A (zh) * 2021-06-24 2022-08-05 安徽牛元新材料有限公司 一种用于防水系统界面处理的界面剂及其制备方法
CN114854265B (zh) * 2021-06-24 2023-08-29 安徽牛元新材料有限公司 一种用于防水系统界面处理的界面剂及其制备方法
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CN115110704A (zh) * 2022-06-29 2022-09-27 雨中情防水技术集团股份有限公司 一种用于屋面修缮的涂-卷复合防水系统
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CN116179008A (zh) * 2022-12-05 2023-05-30 虹之网信息科技有限公司 表面改性颗粒、防水卷材及其制备方法

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