CN106868884A - 一种具有防辐射作用的防水卷材及制备方法 - Google Patents
一种具有防辐射作用的防水卷材及制备方法 Download PDFInfo
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Abstract
本发明公开了一种具有防辐射作用的防水卷材及制备方法,属于防水卷材领域。所述防水卷材包括:胎基层,设置在胎基层上表面的第一自粘防水层,第一自粘防水层上表面设有第一防辐射层,胎基层的下表面设有第二防辐射层,所述第二防辐射层的下表面设有第二自粘防水层。其中,第一和第二自粘防水层为SBS改性沥青自粘防水层,第一防辐射层为石墨烯改性聚氨酯涂料层,第二防辐射层为聚氨酯复合金属盐涂料层。所述制备方法包括如下步骤:石墨烯改性聚氨酯涂料的制备;聚氨酯复合金属盐涂料的制备;防水卷材的制备。本发明所述防水卷材不仅具有较好的防水防腐效果,还能够有效屏蔽周围环境的电磁辐射污染,具有较好的应用前景。
Description
技术领域
本发明涉及防水卷材领域,具体涉及一种具有防辐射作用的防水卷材及制备方法。
背景技术
防水材料广泛应用于各种工业与民用建筑的屋面、地下室的工程防水,以及地铁、隧道、公路桥梁等市政及水利设施的工程防水中,目前的防水卷材抗破坏力差,易出现刺破或撕裂现象,需耗费人力、物力进行修补,缩短了防水材料的使用寿命,造成资源和资金的浪费。
防水卷材是建筑施工中常用的一种建筑材料,在道路桥梁、屋顶或需要防水的建筑物的施工中,均需要预先铺制防水卷材。而目前常用的防水卷材为高分子聚合物改性沥青,根据防水卷材应用的场所的不同,需要给防水卷材一定的特殊性能,比如在电磁辐射污染严重的地区,就需要防水卷材具有一定的防辐射作用,但目前防水卷材不具有防辐射的作用,而随着现在电磁技术的迅速发展和也快来越多电子电器器件的应用,各种带有能量的不同频率的电磁波给人们的健康和生存环境带来了极大的干扰,同时在生活中构成了“电磁辐射污染”,医疗用器械、精密仪器容易被电磁波干扰、在军事、经济领域处理不当会造成极大的破坏,因此防辐射问题的日益重要。
研究与开发具有防辐射作用的聚合物改性沥青防水卷材产品,可以大大提高我们建设质量,创造无法估量的社会效益,不仅能够屏蔽消除外界电磁辐射污染,还能防止军事、经济信息通过无线信号倍窃取,保证国家、经济的安全性,具有重要社会意义与应用价值。
发明内容
针对现有技术中的缺陷,本发明的目的是提供一种具有防辐射作用的防水卷材及制备方法,所述制备方法得到的防水卷材不仅具有较好的防水、防腐效果,还能够有效屏蔽周围环境的电磁辐射污染,具有较好的应用前景。
本发明解决技术问题采用如下技术方案:
本发明涉及一种具有防辐射作用的防水卷材,包括胎基层,所述胎基层为无纺布层,还包括设置在胎基层上表面的第一自粘防水层,所述第一自粘防水层上表面设有第一防辐射层,所述胎基层的下表面设有第二防辐射层,所述第二防辐射层的下表面设有第二自粘防水层。
优选地,所述第一自粘防水层和第二自粘防水层为SBS改性沥青自粘防水层。
优选地,所述第一防辐射层为石墨烯改性聚氨酯涂料层。
优选地,所述第二防辐射层为聚氨酯复合金属盐涂料层。
优选地,所述金属盐为磷酸铁/磷酸亚铁、甲基丙烯酸氧化锌盐的混合。
本发明还涉及一种具有防辐射作用的防水卷材的制备方法,包括如下步骤:
(1)石墨烯改性聚氨酯涂料的制备:将氧化石墨烯分散在水相中,再与聚氨酯预聚体进行乳化反应,反应结束后滴加维生素C溶液进行原位还原反应,即得到石墨烯改性聚氨酯涂料;
(2)聚氨酯复合金属盐涂料的制备:先将甲基丙烯酸甲酯与氧化锌反应制备甲基丙烯酸氧化锌盐,再将制备得到的甲基丙烯酸氧化锌盐、磷酸铁/磷酸亚铁加入到聚氨酯中,再加入相容剂、稳定剂,搅拌反应0.5~1.5h,即得所述聚氨酯复合金属盐涂料;
(3)防水卷材的制备:将胎基层展开,在无纺布层上表面各涂覆一层自粘改性沥青层,涂覆厚度为0.4~0.8mm;然后在自粘沥青层上表面涂覆第一防辐射层,涂覆厚度为0.2~0.6mm;在无纺布下表面涂覆第二防辐射层,涂覆厚度为0.2~0.4mm;再在第二防辐射层的下表面涂覆第二层自粘改性沥青层,涂覆厚度为0.4~0.6mm,即制得所述防水卷材。
优选地,所述步骤(2)中金属盐与聚氨酯的投料质量比为1:5~10。
优选地,所述甲基丙烯酸氧化锌盐与磷酸铁/磷酸亚铁的投料质量比为1:0.8~1.2。
优选地,所述步骤(2)中混合搅拌反应温度为70~80℃。
与现有技术相比,本发明具有如下的有益效果:
(1)本发明所述的具有防辐射作用的防水卷材,采用双重防水层和双重防辐射层,使得防水卷材不仅具有较好的防水、防腐效果,还能够有效屏蔽周围环境的电磁辐射污染,大大降低了电磁辐射给人们带来的危害,具有较好的应用前景;
(2)本发明采用石墨烯改性聚氨酯作为第一防辐射层,由于石墨烯较高的电导率、径厚比以及较大的表面积,改性后的聚氨酯涂层使得防水卷材具有较好的电磁屏蔽效益,能够有效避免周围环境的电磁辐射;
(3)本发明采用聚氨酯复合磷酸铁/磷酸亚铁、甲基丙烯酸氧化锌盐涂料作为第二防辐射层,可以将电磁辐射透过防水卷材的“漏网之鱼”吸收掉,进一步去除了环境中透过防水卷材电磁辐射,对防水卷材的防辐射效果起到了巩固保障的作用。
(4)所述防水卷材,各层之间粘合性好,制备工艺简单,能够大大提高改性沥青防水卷材的电磁屏蔽效果,符合目前建筑行业及市场的需求,具有较高的应用价值。
附图说明
通过阅读参照以下附图对非限制性实施例所作的详细描述,本发明的其它特征、目的和优点将会变得更明显:
图1为本发明所述具有防辐射作用的防水卷材的结构示意图。
具体实施方式
下面结合附图及具体实施例,进一步阐述本发明。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。
实施例1:
如图1所示,本发明涉及一种具有防辐射作用的防水卷材,包括胎基层1,所述胎基层1为无纺布层,还包括设置在胎基层1上表面的第一自粘防水层2,所述第一自粘防水层2上表面设有第一防辐射层3,所述胎基层1的下表面设有第二防辐射层4,所述第二防辐射层4的下表面设有第二自粘防水层5。其中,第一自粘防水层2和第二自粘防水层5为SBS改性沥青自粘防水层,第一防辐射层3为石墨烯改性聚氨酯涂料层,所述第二防辐射层4为聚氨酯复合金属盐涂料层,且所述金属盐为磷酸铁/磷酸亚铁、甲基丙烯酸氧化锌盐的混合。
所述具有防辐射作用的防水卷材的制备方法,包括如下步骤:
(1)石墨烯改性聚氨酯涂料的制备:将氧化石墨烯分散在水相中,再与聚氨酯预聚体进行乳化反应,反应结束后滴加维生素C溶液进行原位还原反应,即得到石墨烯改性聚氨酯涂料;
(2)聚氨酯复合金属盐涂料的制备:先将甲基丙烯酸甲酯与氧化锌反应制备甲基丙烯酸氧化锌盐,再将制备得到的甲基丙烯酸氧化锌盐、磷酸铁/磷酸亚铁加入到聚氨酯中,再加入相容剂、稳定剂,于80℃搅拌反应1h,即得所述聚氨酯复合金属盐涂料。其中,金属盐与聚氨酯的投料质量比为1:8,甲基丙烯酸氧化锌盐与磷酸铁/磷酸亚铁的投料质量比为1:1。
(3)防水卷材的制备:将胎基层展开,在无纺布层上表面各涂覆一层自粘改性沥青层,涂覆厚度为0.6mm;然后在自粘沥青层上表面涂覆第一防辐射层,涂覆厚度为0.4mm;在无纺布下表面涂覆第二防辐射层,涂覆厚度为0.3mm;再在第二防辐射层的下表面涂覆第二层自粘改性沥青层,涂覆厚度为0.5mm,即制得所述防水卷材。
实施例2:
本发明涉及一种具有防辐射作用的防水卷材,包括胎基层,所述胎基层为无纺布层,还包括设置在胎基层上表面的第一自粘防水层,所述第一自粘防水层上表面设有第一防辐射层,所述胎基层的下表面设有第二防辐射层,所述第二防辐射层的下表面设有第二自粘防水层。其中,第一自粘防水层和第二自粘防水层为SBS改性沥青自粘防水层,第一防辐射层为石墨烯改性聚氨酯涂料层,所述第二防辐射层为聚氨酯复合金属盐涂料层,且所述金属盐为磷酸铁/磷酸亚铁、甲基丙烯酸氧化锌盐的混合。
所述具有防辐射作用的防水卷材的制备方法,包括如下步骤:
(1)石墨烯改性聚氨酯涂料的制备:将氧化石墨烯分散在水相中,再与聚氨酯预聚体进行乳化反应,反应结束后滴加维生素C溶液进行原位还原反应,即得到石墨烯改性聚氨酯涂料;
(2)聚氨酯复合金属盐涂料的制备:先将甲基丙烯酸甲酯与氧化锌反应制备甲基丙烯酸氧化锌盐,再将制备得到的甲基丙烯酸氧化锌盐、磷酸铁/磷酸亚铁加入到聚氨酯中,再加入相容剂、稳定剂,于70℃搅拌反应1.5h,即得所述聚氨酯复合金属盐涂料。其中,金属盐与聚氨酯的投料质量比为1:5,甲基丙烯酸氧化锌盐与磷酸铁/磷酸亚铁的投料质量比为1:0.8。
(3)防水卷材的制备:将胎基层展开,在无纺布层上表面各涂覆一层自粘改性沥青层,涂覆厚度为0.8mm;然后在自粘沥青层上表面涂覆第一防辐射层,涂覆厚度为0.2mm;在无纺布下表面涂覆第二防辐射层,涂覆厚度为0.4mm;再在第二防辐射层的下表面涂覆第二层自粘改性沥青层,涂覆厚度为0.4mm,即制得所述防水卷材。
实施例3:
本发明涉及一种具有防辐射作用的防水卷材,包括胎基层,所述胎基层为无纺布层,还包括设置在胎基层上表面的第一自粘防水层,所述第一自粘防水层上表面设有第一防辐射层,所述胎基层的下表面设有第二防辐射层,所述第二防辐射层的下表面设有第二自粘防水层。其中,第一自粘防水层和第二自粘防水层为SBS改性沥青自粘防水层,第一防辐射层为石墨烯改性聚氨酯涂料层,所述第二防辐射层为聚氨酯复合金属盐涂料层,且所述金属盐为磷酸铁/磷酸亚铁、甲基丙烯酸氧化锌盐的混合。
所述具有防辐射作用的防水卷材的制备方法,包括如下步骤:
(1)石墨烯改性聚氨酯涂料的制备:将氧化石墨烯分散在水相中,再与聚氨酯预聚体进行乳化反应,反应结束后滴加维生素C溶液进行原位还原反应,即得到石墨烯改性聚氨酯涂料;
(2)聚氨酯复合金属盐涂料的制备:先将甲基丙烯酸甲酯与氧化锌反应制备甲基丙烯酸氧化锌盐,再将制备得到的甲基丙烯酸氧化锌盐、磷酸铁/磷酸亚铁加入到聚氨酯中,再加入相容剂、稳定剂,于80℃搅拌反应0.5h,即得所述聚氨酯复合金属盐涂料。其中,金属盐与聚氨酯的投料质量比为1: 10,甲基丙烯酸氧化锌盐与磷酸铁/磷酸亚铁的投料质量比为1: 1.2。
(3)防水卷材的制备:将胎基层展开,在无纺布层上表面各涂覆一层自粘改性沥青层,涂覆厚度为0.4mm;然后在自粘沥青层上表面涂覆第一防辐射层,涂覆厚度为0.6mm;在无纺布下表面涂覆第二防辐射层,涂覆厚度为0.2mm;再在第二防辐射层的下表面涂覆第二层自粘改性沥青层,涂覆厚度为0.6mm,即制得所述防水卷材。
本发明所述的具有防辐射作用的防水卷材,采用双重防辐射层,一方面能够有效屏蔽周围环境的电磁辐射污染,另一方面能够将少量未屏蔽掉的电磁辐射通过第二防辐射层吸收掉,大大降低了电磁辐射给人们带来的危害;此外采用双重防水层使得防水卷材具有较好的防水、防腐效果,具有较好的应用前景;所述防水卷材,各层之间粘合性好,制备工艺简单,能够大大提高改性沥青防水卷材的电磁屏蔽效果,符合目前建筑行业及市场的需求,具有较高的应用价值。
以上对本发明的具体实施例进行了描述。需要理解的是,本发明并不局限于上述特定实施方式,本领域技术人员可以在权利要求的范围内做出各种变形或修改,这并不影响本发明的实质内容。
Claims (9)
1.一种具有防辐射作用的防水卷材,包括胎基层,所述胎基层为无纺布层,其特征在于:还包括设置在胎基层上表面的第一自粘防水层,所述第一自粘防水层上表面设有第一防辐射层,所述胎基层的下表面设有第二防辐射层,所述第二防辐射层的下表面设有第二自粘防水层。
2.根据权利要求1所述的具有防辐射作用的防水卷材,其特征在于:所述第一自粘防水层和第二自粘防水层为SBS改性沥青自粘防水层。
3.根据权利要求1所述的具有防辐射作用的防水卷材,其特征在于:所述第一防辐射层为石墨烯改性聚氨酯涂料层。
4.根据权利要求1所述的具有防辐射作用的防水卷材,其特征在于:所述第二防辐射层为聚氨酯复合金属盐涂料层。
5.根据权利要求4所述的具有防辐射作用的防水卷材,其特征在于:所述金属盐为磷酸铁/磷酸亚铁、甲基丙烯酸氧化锌盐的混合。
6.一种根据权利要求1~5所述的具有防辐射作用的防水卷材的制备方法,其特征在于:包括如下步骤:
(1)石墨烯改性聚氨酯涂料的制备:将氧化石墨烯分散在水相中,再与聚氨酯预聚体进行乳化反应,反应结束后滴加维生素C溶液进行原位还原反应,即得到石墨烯改性聚氨酯涂料;
(2)聚氨酯复合金属盐涂料的制备:先将甲基丙烯酸甲酯与氧化锌反应制备甲基丙烯酸氧化锌盐,再将制备得到的甲基丙烯酸氧化锌盐、磷酸铁/磷酸亚铁加入到聚氨酯中,再加入相容剂、稳定剂,搅拌反应0.5~1.5h,即得所述聚氨酯复合金属盐涂料;
(3)防水卷材的制备:将胎基层展开,在无纺布层上表面各涂覆一层自粘改性沥青层,涂覆厚度为0.4~0.8mm;然后在自粘沥青层上表面涂覆第一防辐射层,涂覆厚度为0.2~0.6mm;在无纺布下表面涂覆第二防辐射层,涂覆厚度为0.2~0.4mm;再在第二防辐射层的下表面涂覆第二层自粘改性沥青层,涂覆厚度为0.4~0.6mm,即制得所述防水卷材。
7.根据权利要求6所述的防水卷材基材的制备方法,其特征在于:所述步骤(2)中金属盐与聚氨酯的投料质量比为1:5~10。
8.根据权利要求7所述的防水卷材基材的制备方法,其特征在于:所述甲基丙烯酸氧化锌盐与磷酸铁/磷酸亚铁的投料质量比为1:0.8~1.2。
9.根据权利要求6所述的防水卷材基材的制备方法,其特征在于:所述步骤(2)中混合搅拌反应温度为70~80℃。
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