CN108610824A - 一种反射型隔热防水防腐自洁水性涂料及制备方法 - Google Patents
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Abstract
本发明公开一种反射型隔热防水防腐自洁水性涂料及制备方法,其特征在于含有高性能的反射填料及具有自洁功能的助剂。此涂料反射率高达92%,辐射率为0.91,同时具有防水、防腐性能,耐候性、耐盐雾性及耐化学品性能强,在春、夏高温季节能有效降低建筑物温度,阻止太阳光辐射热量进入,减少空调使用时间,同时其自洁功能可保持建筑物外墙长时间美观。此涂料的附着力强、柔韧性好、使用寿命长,特别适用于炼油厂和化工厂的各类储罐、设备和管道外表面,能有效提高设备表面的隔热性能,避免设备温度过高,具有显著的节能效果,并且提高设备运行安全系数。
Description
技术领域
本发明涉及一种反射型隔热防水防腐自洁水性涂料,特别适用于混凝土建筑、油管、运输车辆及管道的隔热防水。
背景技术
随着社会的不断发展,人类对能源已经越来越依赖,而日益增加的能源消耗量不仅使得全球能源危机愈演愈烈,而且对环境的危害也不可忽视。建筑物对光谱吸收能力强,尤其容易吸收红外波段的光波。建筑物长期在阳光照射条件下升温较快,同时散热慢,因此升温后持续时间长。在冬暖夏热的南方地区,不采取空调等降温措施的情况下,春夏两季密闭建筑物的室内温度可达60℃以上。而油气储罐及管道的吸热也十分明显,特别是各类油品储罐,夏季油罐容易出现呼吸效应,在储罐周围产生大量油气,给生产带来一系列的安全问题。
为了解决上述问题,近年来人们开发出隔热涂料,通过将太阳光中的红外线部分进行反射从而达到隔热的作用。目前比较成熟的国外技术包括日本专利JP98-120946的隔热涂料,虽然效果不错,但是其是油性涂料,在生产和使用过程中会对人及环境产生不良影响。而国内的隔热涂料的设计及效果也不成熟,如申请号为03147361.X、99117439.9的隔热涂料采用的原料造价高,不易推广,并且功能单一。目前国内隔热涂料的实际使用效果还不理想,未达到大规模工业化生产阶段。
为了克服现有隔热涂料性能的不足,本发明公开了一种以改性丙烯酸乳液为基础,结合红外反射颜填料、空心反射材料及助剂等配合制成的反射型隔热防水防腐水性涂料。同时在涂料中加入荷叶效应自洁助剂,使隔热涂料具备优越的自洁性能。该涂料性能,包括流平性,成膜性及干燥等性能较好,涂料干燥后其机械性能和耐冲刷性远远超过国家相关标准,而其对太阳光的反射率及自身的热发射率都达到同类型产品中的最高水平。
发明内容
本发明是一种反射型隔热防水防腐自洁水性涂料,其对太阳光的反射率高、自身发射率高、导热系数低;并且具有良好的耐酸碱性、耐腐蚀性和耐盐雾性能;无毒、无污染、施工方便易推广等优势。
本发明所述的反射型隔热防水防腐自洁水性涂料中各原料的配比如下:
本发明所述的反射型隔热防水防腐自洁水性涂料采用改性的丙烯酸乳液,合成单体包括丙烯酸、甲基丙烯酸、甲基丙烯酸甲酯、丙烯酸丁酯、丙烯酸乙酯、丙烯酸-2-乙基己酯和烷基苯聚醚磺酸钠中的三种或四种。
本发明所述的反射型隔热防水防腐自洁水性涂料,综合考虑涂料的性能和成本,其颜填料包括二氧化钛、氧化铁红、高岭土、酞青蓝、永固黄、气相白炭黑、纳米陶瓷、碳酸钙、膨润土中的一种或几种。
为了加强本发明所述的反射型隔热防水防腐自洁水性涂料对太阳光的反射,在涂料中加入多孔隔热材料,具体包括空心漂珠、空心有机微球、空心无机纤维、空心玻璃微珠中的一种或几种。
同时本发明所述的反射型隔热防水防腐自洁水性涂料具备优良的自洁功能,在涂料中加入荷叶效应自洁剂,包括纳米蜡、纳米二氧化钛溶液或纳米二氧化硅溶液中的一种或几种。
其他助剂包括防老剂、增韧剂、分散剂、成膜剂、增稠剂、防腐剂。
和其他的隔热性涂料相比,本发明所述的反射型隔热防水防腐自洁水性涂料具有以下优点:
首先、水性涂料,对人体和环境无危害、无污染。
第二、涂料中含有多孔隔热材料,进一步提高了涂料对太阳光的反射,其反射率最高可达92%,显著降低建筑物及油气存储设备的温度,减低能耗并提高安全性。
第三、涂料的综合性能较好。由于采用改性的丙烯酸乳液,并且加以合理的颜填料及助剂比例,使得涂料成膜致密,附着力强,耐冲击性能优越,同时具有良好的耐酸碱性、耐盐雾、耐腐蚀及耐候性能。使用寿命长。
第四、涂料具有自洁功能。外墙涂料的清洁是一个大问题,除了影响美观之外,涂料表面所吸附的灰尘和污垢会影响涂料的隔热性能,降低其对太阳光的反射程度。因此涂料具有自洁功能将避免涂料性能的下降,节约建筑物及油气储罐及管道的清洗费用。
此发明应用前景广阔,可替代目前广泛使用的溶剂型反射涂料。本发明所述的涂料尤其适合在建筑物、石油化工厂的储罐、传输管道,汽车、船舶等设备的外表面使用。使用本发明所述的涂料后可显著降低上述建筑及设备的内部温度,一般可使其内部温度比使用前降低20℃以上。并解决了设备的漏水问题,节约能源,保护环境。
附图说明
图1为本发明所述涂料中所采用的纳米隔热填料的扫描电子显微镜照片。
图2为本发明实施例1所制备的反射型隔热防水防腐自洁水性涂料涂覆油罐表面前后的照片。
图3为本发明实施例1所制备的反射型隔热防水防腐自洁水性涂料涂覆油罐车的施工照片。
具体实施方式
下面结合附图对本发明的实施例作详细说明,本实施例以本发明技术方案为前提,给出了详细的实施方式,但本发明的保护范围不限于下述的实施例。
实施例1:
涂料按下列组份配比:
成分含量(份)
实施例2:
涂料按下列组份配比:
成分含量(份)
表1隔热涂料性能
项目 | 实施例1 | 实施例2 |
涂层外观 | 合格 | 合格 |
表干时间h | 0.5 | 0.5 |
实干时间h | 2 | 2 |
附着力级 | 1 | 1 |
耐冲击力Kgcm | 50 | 50 |
耐水性96h | 合格 | 合格 |
太阳光反射率% | 92% | 90% |
辐射率 | 0.9 | 0.89 |
耐冻融循环 | 10 | 10 |
Claims (6)
1.一种反射型隔热防水防腐自洁水性涂料,其特征在于此涂料的成分包括:
2.根据权利要求1所述的反射型隔热防水防腐自洁水性涂料,其特征在于涂料中的成膜树脂采用改性的丙烯酸乳液,合成单体包括丙烯酸、甲基丙烯酸、甲基丙烯酸甲酯、丙烯酸丙酯、丙烯酸乙酯、丙烯酸-2-乙基己酯和烷基苯聚醚磺酸钠中的三种或四种。
3.根据权利要求1所述的反射型隔热防水防腐自洁水性涂料,其特征在于涂料中的颜填料包括二氧化钛、氧化铁红、高岭土、酞青蓝、永固黄、气相白炭黑、纳米陶瓷、碳酸钙、膨润土中的一种或几种。
4.根据权利要求1所述的反射型隔热防水防腐自洁水性涂料,其特征在于涂料中的多孔隔热材料包括空心漂珠、空心有机微球、空心无机纤维、空心玻璃微珠中的一种或几种。
5.根据权利要求1所述的反射型隔热防水防腐自洁水性涂料,其特征在于涂料中的荷叶效应疏水剂包括纳米蜡、纳米二氧化钛溶液或纳米二氧化硅溶液中的一种或几种。
6.根据权利1所述的反射型隔热防水防腐自洁水性涂料,其特征在于采用专门的高压喷涂设备喷涂。
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CN109913090A (zh) * | 2019-03-01 | 2019-06-21 | 常州大学 | 一种石墨烯修饰的反射型隔热防腐自洁水性涂料及制备方法 |
CN111909578A (zh) * | 2020-07-17 | 2020-11-10 | 张贞霞 | 一种半透明多功能型水性涂料 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109913090A (zh) * | 2019-03-01 | 2019-06-21 | 常州大学 | 一种石墨烯修饰的反射型隔热防腐自洁水性涂料及制备方法 |
CN111909578A (zh) * | 2020-07-17 | 2020-11-10 | 张贞霞 | 一种半透明多功能型水性涂料 |
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