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Preparation and characterization of smart building paints with multiple functions
Authors
何新华
徐得华
+4 more
徐雪青
符小艺
邱晓忠
靳虎
Publication date
1 September 2017
Publisher
Doi
Cite
Abstract
通过Pickering聚合法,制备了以固态石蜡为芯材、高太阳反射比TiO2与聚甲基丙烯酸甲酯(PMMA)为壳层的新型双层包覆智能控温相变微胶囊(PCM@TiO2);采用饱和氢氧化钙溶液前处理空心玻璃微珠(HGM),以非均相沉淀法成功合成了纳米二氧化钛颗粒包覆空心玻璃微珠(HGM@TiO2)。通过扫描电子显微镜(SEM)、X-ray衍射仪(XRD)、能量色散光谱仪(EDS)、低温差示扫描量热(DSC)和紫外-可见-近红外分光光度计(UV-Vis-NIR)对样品形貌、结构、成分进行分析,并将新型隔热填料PCM@TiO2、HGM@TiO2以及纳米TiO2添加到硅丙乳液中制成反射隔热水性涂料,测试其涂层的隔热温差。结果表明:固定隔热填料的总质量为10g,当PCM@TiO2用量为4g时,太阳反射比为85.61%,隔热温差为12.7℃;当HGM@TiO2用量为6g时,太阳反射比为80.27%,隔热温差为14.1℃
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Last time updated on 07/01/2019