WO2014110960A1 - 一种高分子湿铺防水卷材 - Google Patents

一种高分子湿铺防水卷材 Download PDF

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WO2014110960A1
WO2014110960A1 PCT/CN2013/090368 CN2013090368W WO2014110960A1 WO 2014110960 A1 WO2014110960 A1 WO 2014110960A1 CN 2013090368 W CN2013090368 W CN 2013090368W WO 2014110960 A1 WO2014110960 A1 WO 2014110960A1
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macromolecule
polymer
film
coiled material
sheet
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PCT/CN2013/090368
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French (fr)
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钱林弟
李忠人
黄祖行
刘吉明
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江苏凯伦建材股份有限公司
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Publication of WO2014110960A1 publication Critical patent/WO2014110960A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

Definitions

  • the invention relates to the technical field of waterproof coiled materials, in particular to a polymer wet-laid waterproofing membrane.
  • Building waterproofing is a special measure taken to ensure that certain parts of buildings or structures are not eroded by rain, ground water, domestic water and moisture in the air, and it plays an important role in the entire construction project.
  • the quality of building waterproof materials directly affects the normal use and life of buildings and structures.
  • the downward trend is more obvious, and cement mortar or The effect of post-casting concrete is greatly reduced, and there is even a situation in which it cannot be bonded. This causes the occurrence of drowning. Therefore, in order to overcome the shortcomings of the above-mentioned technologies, it is designed to change the formulation of the rubber material from the structure of the material itself, so that it can meet the requirements of the storage period well, and maintain good physical performance indexes after being subjected to heat aging and ultraviolet irradiation, thereby improving the physical property index.
  • the coil storage period can also ensure that the coil is well bonded to the cement mortar, which is a polymer wet-laid waterproofing membrane, which is the problem to be solved by the inventors.
  • the object of the present invention is to provide a polymer wet-laid waterproofing membrane, which has a simple structure and is convenient to use.
  • the formula of the rubber compound can be changed to meet the requirements of the storage period. After the heat aging and ultraviolet irradiation, the physical property index is maintained, the storage period of the coil is improved, and the coil can be ensured. Very good adhesion to cement mortar, has very good practical value.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: a polymer wet-laid waterproofing membrane comprising a side film, a polymer sheet, a polymer self-adhesive film, and a separator, characterized in that: the waterproof roll
  • the bottom layer of the material is a polymer sheet
  • the polymer sheet is a polymer self-adhesive film above
  • the polymer self-adhesive film is a separator film
  • the edge of the separator is connected with the edge film.
  • the polymer sheet is a high density polyethylene material
  • High density polyethylene (HDPE) for the main material of the present invention The sheet is made as the main layer of the coil, and a layer of polymer hot melt adhesive is coated on the main layer.
  • the polymer hot melt adhesive is non-asphalt based and does not contain any solvent and plasticizer, and has strong bonding performance. The initial tackiness and the tackiness are very good, which can meet the construction bonding effect of the coil on different base layers.
  • the self-adhesive compound selected by the polymer wet-laid waterproofing membrane of the invention is a non-asphalt-based polymer hot-melt adhesive, which is more sensitive to environmental temperature, storage time, heat aging and ultraviolet irradiation than ordinary asphalt-based self-adhesive rubber. It is much smaller, which greatly increases the storage time of coils in warehouses and construction sites. The initial tack and tackiness of the web are increased, and the bond strength does not decrease with time.
  • the base surface requirement is low.
  • the coil construction is the waterproof material with the highest construction freedom. It can be directly applied on the wet base surface (the dry base surface needs to be sprinkled and wetted). Therefore, it can be applied all day weather without weather influence. The advantage of the construction period is more obvious.
  • the quality is reliable and the construction is convenient.
  • the coil material is light in weight and easy to hang on the side wall façade and the tunnel lining.
  • the lap joint is reliable and the construction quality is easy to guarantee. Under the influence of environmental factors in the actual construction site, the coil can be effectively bonded to the concrete structure to form a composite +
  • the integrated waterproof system fully restores and exerts the self-waterproof function of the structure and reduces the probability of leakage. The waterproof effect is guaranteed, and the single layer can meet the requirements of the first-grade waterproof fortification standard.
  • the coil can be bonded to the concrete main structure, which can effectively avoid The occurrence of ' ⁇ '. Even if the coil is partially damaged, the water is limited to a small range, which improves the reliability of the waterproof layer. Even if it leaks, the repair point is extremely simple because the damage point is in the same position as the possible leak point.
  • the polymer wet-laid waterproofing membrane of the invention has the strong bonding performance and the bonding strength with the cement mortar is extremely high.
  • the polymer wet-laid waterproofing membrane of the invention has good heat aging, ultraviolet aging and weather resistance, and can well resist the damage caused by the environment.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 1 is a schematic view showing the structure of a polymer wet-laid waterproofing membrane comprising a side film 1, a polymer sheet 2, and a polymer self-adhesive film 3 , the separator 4, the bottom layer of the waterproof coil is a polymer sheet 2, the polymer sheet 2 is a polymer self-adhesive film 3, the polymer self-adhesive film 3 is a separator 4, the edge of the separator 4 With the edge film 1 Connected, the polymer sheet 2 is a high density polyethylene material. Isolation film 4 Surface insulation material is PE The membrane, the separator and the polymer self-adhesive film have superior isolation, and can be easily opened during construction.
  • the polymer self-adhesive film 3 is a polymer self-adhesive compound, mainly composed of SIS. It is made up of materials such as resin, auxiliaries, fillers, etc.
  • the rubber compound has the property of bonding with cement slurry, and its adhesion to the base layer is much higher than that of the traditional waterproof membrane.
  • the polymer sheet 2 is HDPE.
  • the membrane which is the main material of the coil material, has strong puncture resistance and can effectively reduce the probability of subsequent construction failure.
  • the polymer sheet 2 is made of PVC. As a cladding material, the material can effectively resist ultraviolet radiation and avoid aging of the coil.

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  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

本发明涉及防水卷材技术领域，具体的说是一种高分子湿铺防水卷材，所述防水卷材底层为高分子片材，高分子片材上方为高分子自粘胶膜，高分子自粘胶膜上方为隔离膜，隔离膜边缘与边膜连接，所述高分子片材为高密度聚乙烯材料，本实用新型主体材料用的高密度聚乙烯（ HDPE ）片材做为此卷材的主体层，在主体层上覆一层高分子热熔胶，高分子热熔胶为非沥青基且不含任何溶剂和增塑剂，粘结性能极强，初粘性、持粘性都很好，可以满足卷材在不同基层上的施工粘结效果。

Description

一种高分子湿铺防水卷材
技术领域
本发明涉及防水卷材技术领域，具体的说是一种高分子湿铺防水卷材。
背景技术
建筑防水是为了保证建筑物或构筑物的某些部位不受雨水、地下水、生活用水及空气中湿气的浸蚀而采取的一项专门措施，在整个建筑工程中占有重要的地位。建筑防水材料质量的好坏，直接影响到建筑物和构筑物的正常使用和寿命。
20 世纪初期，国外建筑防水材料主要以油毡为主，且纸胎油毡逐渐被玻纤油毡所替代。随着化学工业特别是橡胶工业有了重大的发展，研制生产出了许多适用于建筑防水材料的树脂和橡胶，使得建筑防水材料的研究技术得到了迅速发展，改性沥青卷材和高分子卷材的使用日趋广泛。普通的 SBS 、 APP 、 EVA 、三元乙丙卷材、自粘卷材热老化较差，贮存期较长好，各项物理力学性能指标会下降，特别是受太阳紫外线照射后，下降趋势就更加明显，与水泥砂浆或者后浇混凝土效果就大打折扣，甚至出现无法粘结的情况。由此造成窜水现象的发生。因此，为克服上述技术的不足而设计出从材料自身结构出发，改变胶料配方，使其可以很好满足储存期的要求，经受热老化和紫外线照射后，保持良好的物理性能指标，提高了卷材储存周期，还可以保证此卷材很好的与水泥砂浆的粘结的一种高分子湿铺防水卷材，正是发明人所要解决的问题。
发明内容
针对现有技术的不足，本发明的目的是提供一种高分子湿铺防水卷材，其结构简单，使用方便 , 从材料自身结构出发，改变胶料配方，使其可以很好满足储存期的要求，经受热老化和紫外线照射后，保持良好的物理性能指标，提高了卷材储存周期，还可以保证此卷材很好的与水泥砂浆的粘结，有非常好的实用价值。
本发明解决其技术问题所采用的技术方案是：一种高分子湿铺防水卷材，包含边膜、高分子片材、高分子自粘胶膜、隔离膜，其特征在于：所述防水卷材底层为高分子片材，高分子片材上方为高分子自粘胶膜，高分子自粘胶膜上方为隔离膜，隔离膜边缘与边膜连接。
进一步，所述高分子片材为高密度聚乙烯材料；
本发明的有益效果是：
1 、本发明主体材料用的高密度聚乙烯（ HDPE ）片材做为此卷材的主体层，在主体层上覆一层高分子热熔胶，高分子热熔胶为非沥青基且不含任何溶剂和增塑剂，粘结性能极强，初粘性、持粘性都很好，可以满足卷材在不同基层上的施工粘结效果。
2 、普通的沥青基自粘卷材受热、紫外、气候、结构变形影响变化较大，因为其主体材料本身的耐候性和抗拉伸性能差，高分子湿铺防水卷材选择的主体材料为高密度聚乙烯片材，抗拉伸性能好，热、紫外线的对其影响相对较小，主体材料的检测性能远远高于 GB/T23457-2009 湿铺 P 类指标要求。
3 、本发明高分子湿铺防水卷材选择的自粘胶料为非沥青基的高分子热熔胶，对环境的温度、储存时间、热老化、紫外线照射敏感性比普通的沥青基自粘胶要小很多，极大提高了卷材在仓库和工地的储存时间。提高了卷材的初粘性和持粘性，粘结强度不会随时间的变长而减弱。
4 、基面要求低，该卷材施工堪称施工自由度最高的防水材料，可直接在潮湿基面施工（干燥基面需洒水润湿），因此，可以不受天气影响全天候施工，雨季施工时工期优势更加明显。
5 、质量可靠、施工便捷。卷材自重轻，易于挂铺于侧墙立面及隧道初衬，搭接可靠，施工质量易于保证。在实际施工现场环境因素影响下，卷材能与砼结构进行有效粘结，形成复合 + 融合的防水体系，充分恢复和发挥砼结构自防水的功能，降低渗漏概率。防水效果有保障，单层使用即可满足一级防水设防标准要求。
6 、缩短工期，对基面条件要求低，基面含水率对防水工无影响，不受天气影响。相对传统防水做法而言，构造简化，对工程工期的优化极为明显，如：找平层、隔离层、保护层的施工和养护时间省略，大大缩短了工程总工期。
7 、系统简单，造价低，材料施工基层基本平整即可，无需找平层，地下室底板施工时，还可以取消保护层等构造，降低了系统造价，同时也减少土方开挖量。对于建筑隐形成本的控制也非常明显，如：低渗漏率降低维修成本，加快施工进度，减少财务费用。
8 、粘结可靠，便于检修，卷材能与混凝土主体结构实现粘结，能有效地避免了 '窜水'的发生。即使卷材局部遭受破坏，也会将水限定在很小范围内，提高了防水层的可靠性，即使渗漏，因破坏点与可能产生的渗漏点处在同一位置，检修极其简便。
9 、安全环保，无需底涂和明火作业，避免出现危险源，消除了安全隐患的同时也节约资源。
10 、拉伸强度比普通的湿铺 P 类卷材高很多，抗穿孔性、钉杆撕裂等物性指标比普通卷材高出很多。
11 、本发明高分子湿铺防水卷材必备极强粘结性能，与水泥砂浆粘结强度极高。
12 、本发明高分子湿铺防水卷材热老化、紫外老化、耐候性好，可以很好的抵抗环境带来的破坏。
附图说明
图 1 是本发明结构示意图。
附图标记说明： 1- 边膜； 2- 高分子片材； 3- 高分子自粘胶膜； 4- 隔离膜。
具体实施方式
下面结合具体实施例，进一步阐述本发明，应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了发明讲授的内容之后，本领域技术人员可以对发明作各种改动或修改，这些等价形式同样落在申请所附权利要求书所限定的范围。
图 1 为发明一种高分子湿铺防水卷材结构示意图，包含边膜 1 、高分子片材 2 、高分子自粘胶膜 3 、隔离膜 4 ，所述防水卷材底层为高分子片材 2 ，高分子片材 2 上方为高分子自粘胶膜 3 ，高分子自粘胶膜 3 上方为隔离膜 4 ，隔离膜 4 边缘与边膜 1 连接，所述高分子片材 2 为高密度聚乙烯材料。隔离膜 4 表面隔离材料是 PE 膜，隔离膜与高分子自粘胶膜隔离性优越，施工时可以方便的将其揭开，高分子自粘胶膜 3 的胶料为高分子自粘胶料，主要由 SIS 、树脂、助剂、填料等材料配制而成，胶料具有与水泥浆粘结的性能，其与基层的粘结力远超过传统防水卷材，高分子片材 2 是 HDPE 膜，其作为卷材的主体材料，具有较强的抗穿刺性能，能有效降低后续施工破坏概率，如采用外露施工时，高分子片材 2 采用 PVC 等材料作为覆面材料，可有效抵御紫外线照射，避免卷材老化。

Claims (2)

1、 一种高分子湿铺防水卷材 ，包含边膜、高分子片材、高分子自粘胶膜、隔离膜，其特征在于：所述防水卷材底层为高分子片材，高分子片材上方为高分子自粘胶膜，高分子自粘胶膜上方为隔离膜，隔离膜边缘与边膜连接。
2、 根据权利要求 1 所述的一种高分子湿铺防水卷材，其特征在于：所述高分子片材为高密度聚乙烯材料。
PCT/CN2013/090368 2013-01-15 2013-12-24 一种高分子湿铺防水卷材 WO2014110960A1 (zh)

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CN110003808A (zh) * 2019-04-15 2019-07-12 四川卓邦安新材料科技有限公司 一种高分子自粘防水卷材及其制备方法
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