毕设万叶辉陕西理工学院毕业设计纳米二氧化钛的制备及其在涂料中的应用万叶辉(陕理工材料学院(系)高分子材料与工程专业高分子072班,陕西汉中723003)指导老师:蒋鹏[摘要]纳米二氧化钛作为一种新型的高性能材料,近年来受到了国内外研究人员的关注,并在相当广泛的领域中得到应用。本文研究了用溶胶一凝胶法制备二氧化钛溶胶的过程以及纳米二氧化钛在涂料中的隔热透明性能。以钛酸丁酯为前驱物~无水乙醇为溶剂~分析了不同的反应条件对凝胶时间的影响。通过实验得到了制备透明稳定的凝胶条件为:反应温度在20,40?范围内,pH值为2,5,反应物的配比为:醇,钛酸丁酯(摩尔比)为10~水,钛酸丁酯(摩尔比)为3,4~冰醋酸,钛酸丁酯(摩尔比)为1。将纳米二氧化钛添加到丙烯酸树脂类混合涂料中~通过差热法隔热测试~-?的温差,且透明性能良好。[关键词]溶胶凝胶法,二氧化钛,凝胶条件,涂料I陕西理工学院毕业设计NanoTiOpreparationandapplications2incoatingsWanYehui,Grade07,Class02,Majorpolymermaterialsandengineering~materialsinstituteDept.~ShaanxiUniversityofTechnology~Hanzhong723003~Shaanxi,Tutor:JiangPengAbstract:NanoTiOasanewhighperformancematerialsathomeandabroadinrecentyears,researchersbythe2attention,-,anhydrous2ethanolsolvent,~40?range;pHvalueof2~5;theratioofreactantsfor:alcohol/batio3(moleratio),butylacetate10,water/batio3thanbutylacetate(Moore)for3~4,glacialaceticacid/batio3(moleratio),-TiOaddedtotheacrylicresinmixedcoatingofdifferentialthermalinsulation,2throughtesting,-?,:sol-gelmethod;Titaniumdioxide;gelconditions;coatingII陕西理工学院毕业设计目录中文摘要Abstract1引言„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„32纳米TiO的功能及用途„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„42.
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