CN106555410A - 一种新型预铺式抗紫外线高分子自粘防水卷材 - Google Patents
一种新型预铺式抗紫外线高分子自粘防水卷材 Download PDFInfo
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Abstract
本发明公开了一种新型预铺式抗紫外线高分子自粘防水卷材，该卷材包括高分子片材层，所述高分子片材层上表面和/或下表面设置有自粘胶层，所述自粘胶层远离所述高分子片材层的表面上设置有沙粒隔离层。本申请提供的新型预铺式抗紫外线高分子自粘防水卷材，降低了施工成本，提高了效率，同时使防水卷材与主体结构粘贴达到与建筑物同寿命效果，并且随着时间的推移，自粘层进行分子反应粘接扩散，粘接效果会更好。垫层混凝土达到可以上人的强度即可上人进行施工。预铺反粘大面采用空铺卷材之间采用热风焊接或自粘施工省去了传统水泥砂浆(细石混泥土)保护层省钱，省时，施工简易。
Description
技术领域
本发明涉及防水卷材技术领域，特别是涉及一种新型预铺式抗紫外线高分子自粘防水卷材。
背景技术
传统的各类地下土木建筑工程地下室防水卷材的使用往往都是将防水卷材粘贴在垫层或空铺在基层上，防水层与结构本体的缝隙造成防水层结构的分离。然而防水层一旦破坏，水到处窜流，不易找到渗漏点，维修十分困难，甚至可能导致防水层整体失效。现有技术中的防水卷材在使用时，是将防水卷材粘贴在垫层或临时结构上，当上层建筑浇筑后粘贴在地下室底板垫层上的卷材出现随着垫层断裂的情况时，就将失去防水功能。
发明内容
本发明提供了一种新型预铺式抗紫外线高分子自粘防水卷材。
本发明提供了如下方案：
一种新型预铺式抗紫外线高分子自粘防水卷材，包括高分子片材层，所述高分子片材层上表面和/或下表面设置有自粘胶层，所述自粘胶层远离所述高分子片材层的表面上设置有沙粒隔离层；
其中，所述高分子片材层材质为低压聚乙烯和高压聚乙烯的混合物或低压聚乙烯和乙烯-醋酸乙烯共聚物的混合物；所述自粘胶层材质包括主料以及辅料，所述主料为丁基橡胶、亚敏橡胶、水胶、乙丙胶中的任意一种，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、抗老化剂、石油树脂、松香中的一种或几种的混合物；所述沙粒隔离层材质为粒径为50-100目的天然矿物沙。
优选的：所述低压聚乙烯和高压聚乙烯的混合物中低压聚乙烯与高压聚乙烯的摩尔质量比为2∶1。
优选的：所述低压聚乙烯和乙烯-醋酸乙烯共聚物的混合物中低压聚乙烯与乙烯-醋酸乙烯共聚物的摩尔质量比为3∶1。
优选的：所述自粘胶层材质中包括85％主料以及15％辅料。
优选的：所述主料为丁基橡胶，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、松香的混合物；其中，所述辅料中各组分的含量百分比为聚异戊二烯20％、增粘树脂30％、紫外线吸收剂25％、抗氧化剂15％、松香10％。
优选的：所述主料为亚敏橡胶，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、抗老化剂、石油树脂、松香的混合物；其中，所述辅料中各组分的含量百分比为聚异戊二烯20％、增粘树脂30％、紫外线吸收剂25％、抗氧化剂10％、抗老化剂5％、石油树脂5％、松香5％。
优选的：所述沙粒隔离层材质为粒径为75目的天然矿物沙。
优选的：所述高分子片材层厚度为0.3毫米～2.0毫米。
优选的：所述高分子片材层采用塑料生产用挤出设备经流延、压延成型工艺加工制得。
根据本发明提供的具体实施例，本发明公开了以下技术效果：
通过本发明，可以实现一种新型预铺式抗紫外线高分子自粘防水卷材，在一种实现方式下，该卷材可以包括高分子片材层，所述高分子片材层上表面和/或下表面设置有自粘胶层，所述自粘胶层远离所述高分子片材层的表面上设置有沙粒隔离层；其中，所述高分子片材层材质为低压聚乙烯和高压聚乙烯的混合物或低压聚乙烯和乙烯-醋酸乙烯共聚物的混合物；所述自粘胶层材质包括主料以及辅料，所述主料为丁基橡胶、亚敏橡胶、水胶、乙丙胶中的任意一种，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、抗老化剂、石油树脂、松香中的一种或几种的混合物；所述沙粒隔离层材质为粒径为50-100目的天然矿物沙。本申请提供的新型预铺式抗紫外线高分子自粘防水卷材，降低了施工成本，提高了效率，同时使防水卷材与主体结构粘贴达到与建筑物同寿命效果，并且随着时间的推移，自粘层进行分子反应粘接扩散，粘接效果会更好。垫层混凝土达到可以上人的强度即可上人进行施工。预铺反粘大面采用空铺卷材之间采用热风焊接或自粘施工省去了传统水泥砂浆(细石混泥土)保护层省钱，省时，施工简易。
当然，实施本发明的任一产品并不一定需要同时达到以上所述的所有优点。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的一种新型预铺式抗紫外线高分子自粘防水卷材的结构示意图。
图中：高分子片材层1、自粘胶层2、沙粒隔离层3。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本发明保护的范围。
实施例
参见图1，为本发明实施例提供的一种新型预铺式抗紫外线高分子自粘防水卷材，如图1所示，该防水卷材包括高分子片材层1，所述高分子片材层1上表面和/或下表面设置有自粘胶层2，所述自粘胶层2远离所述高分子片材层的表面上设置有沙粒隔离层3；
其中，所述高分子片材层1材质为低压聚乙烯和高压聚乙烯的混合物或低压聚乙烯和乙烯-醋酸乙烯共聚物的混合物；所述自粘胶层2材质包括主料以及辅料，所述主料为丁基橡胶、亚敏橡胶、水胶、乙丙胶中的任意一种，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、抗老化剂、石油树脂、松香中的一种或几种的混合物；所述沙粒隔离层材质为粒径为50-100目的天然矿物沙。在实际应用中，所述低压聚乙烯和高压聚乙烯的混合物中低压聚乙烯与高压聚乙烯的摩尔质量比为2∶1。进一步的，所述低压聚乙烯和乙烯-醋酸乙烯共聚物的混合物中低压聚乙烯与乙烯-醋酸乙烯共聚物的摩尔质量比为3∶1。
在制作该卷材时，可以根据应用场合的不同调整该自粘胶层中主料以及辅料的比例，例如，所述自粘胶层材质中包括85％主料以及15％辅料。进一步的，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、松香的混合物；其中，所述辅料中各组分的含量百分比为聚异戊二烯20％、增粘树脂30％、紫外线吸收剂25％、抗氧化剂15％、松香10％。还可以是，所述主料为亚敏橡胶，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、抗老化剂、石油树脂、松香的混合物；其中，所述辅料中各组分的含量百分比为聚异戊二烯20％、增粘树脂30％、紫外线吸收剂25％、抗氧化剂10％、抗老化剂5％、石油树脂5％、松香5％。所述沙粒隔离层材质为粒径为75目的天然矿物沙。其中丁基橡胶是合成橡胶的一种由异丁烯和少量异戊二烯合成，亚敏胶选用对力敏感的亚敏橡胶，通过涂布机加热按所需厚度涂布于高分子片材上。其关键在于在原有丁基橡胶或亚敏胶中加入了紫外线吸收剂改善了原有胶层老化不足的问题。所述高分子片材层厚度可以为0.3毫米～2.0毫米。进一步的，所述高分子片材层采用塑料生产用挤出设备经流延、压延成型工艺加工制得。
对于不同高分子类防水卷材的物理性质进行对比试验，试验结构如表1。
由表1可见，该新型预铺式抗紫外线高分子自粘防水卷材是在一定厚度的高分子片材层表面上涂覆一层高分子自粘胶层，具有较高的断裂拉伸强度和撕裂强度，耐水性能好，一二级防水工程单层使用时也能够达到防水要求，采用预铺反粘施工方法，由自粘胶膜防水卷材表面得自粘胶层与结构混凝土发生粘结作用。其核心在于可预铺式反向粘贴施工；预铺反粘指将防水卷材空铺在基面上，然后浇筑上层结构混凝土，使上层(房屋主体结构)混凝土与防水卷材紧密结合的施工方法。其优点在与可以空铺施工大大的增加施工效率节约施工成本，其二优点在与使用基面广泛对基层基本没有任何要求，其三单层卷材既能达到一级防水设防大大的降低了传统双层设备照价贵的特点，其四节约了保护层，不需要像传统做法那样增设水泥砂浆保护层降低了工程整体照价。
在使用时注意事项：
1、新型预铺式抗紫外线高分子自粘防水卷材防水层采用冷作业施工，材料进入工作面后不得以任何形式动用明火，如有钢筋焊接所产生的火星等，则焊接处卷材面需设临时保护措施。
2、卷材铺设完成后，要注意后续的保护，钢筋笼要本着轻放的原则，不能在防水层上拖动，以避免对防水层的破坏。
3、相邻两排卷材的短边接头应相互错开300mm以上，以免多层接头重叠而使得卷材粘贴不平服。
4、绑扎钢筋过程中，如钢筋移动需要使用撬棍时应在其下设木垫板临时保护，以尽量避免破坏防水卷材。
总之，本申请提供的新型预铺式抗紫外线高分子自粘防水卷材，降低了施工成本，提高了效率，同时使防水卷材与主体结构粘贴达到与建筑物同寿命效果，并且随着时间的推移，自粘层进行分子反应粘接扩散，粘接效果会更好。垫层混凝土达到可以上人的强度即可上人进行施工。预铺反粘大面采用空铺卷材之间采用热风焊接或自粘施工省去了传统水泥砂浆(细石混泥土)保护层省钱，省时，施工简易。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个......”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内所作的任何修改、等同替换、改进等，均包含在本发明的保护范围内。
Claims (9)
1.一种新型预铺式抗紫外线高分子自粘防水卷材，其特征在于，包括高分子片材层，所述高分子片材层上表面和/或下表面设置有自粘胶层，所述自粘胶层远离所述高分子片材层的表面上设置有沙粒隔离层；
其中，所述高分子片材层材质为低压聚乙烯和高压聚乙烯的混合物或低压聚乙烯和乙烯-醋酸乙烯共聚物的混合物；所述自粘胶层材质包括主料以及辅料，所述主料为丁基橡胶、亚敏橡胶、水胶、乙丙胶中的任意一种，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、抗老化剂、石油树脂、松香中的一种或几种的混合物；所述沙粒隔离层材质为粒径为50-100目的天然矿物沙。
2.根据权利要求1所述的卷材，其特征在于，所述低压聚乙烯和高压聚乙烯的混合物中低压聚乙烯与高压聚乙烯的摩尔质量比为2∶1。
3.根据权利要求1所述的卷材，其特征在于，所述低压聚乙烯和乙烯-醋酸乙烯共聚物的混合物中低压聚乙烯与乙烯-醋酸乙烯共聚物的摩尔质量比为3∶1。
4.根据权利要求1所述的卷材，其特征在于，所述自粘胶层材质中包括85％主料以及15％辅料。
5.根据权利要求4所述的卷材，其特征在于，所述主料为丁基橡胶，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、松香的混合物；其中，所述辅料中各组分的含量百分比为聚异戊二烯20％、增粘树脂30％、紫外线吸收剂25％、抗氧化剂15％、松香10％。
6.根据权利要求4所述的卷材，其特征在于，所述主料为亚敏橡胶，所述辅料为聚异戊二烯、增粘树脂、紫外线吸收剂、抗氧化剂、抗老化剂、石油树脂、松香的混合物；其中，所述辅料中各组分的含量百分比为聚异戊二烯20％、增粘树脂30％、紫外线吸收剂25％、抗氧化剂10％、抗老化剂5％、石油树脂5％、松香5％。
7.根据权利要求1所述的卷材，其特征在于，所述沙粒隔离层材质为粒径为75目的天然矿物沙。
8.根据权利要求1至7任一项所述的卷材，其特征在于，所述高分子片材层厚度为0.3毫米～2.0毫米。
9.根据权利要求1至7任一项所述的卷材，其特征在于，所述高分子片材层采用塑料生产用挤出设备经流延、压延成型工艺加工制得。
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