化工类毕业论文玻璃防雾剂的研制及性能研究【大学毕业论文】.docVIP

化工类毕业论文玻璃防雾剂的研制及性能研究 在寒冷的冬季或者雨季驾驶室内或者车内热空气中的水蒸气会在冷的玻 璃表面凝聚成露珠大大降低玻璃的透光率影响视线给生活带来很大的不 便甚至会发生危险本论文在前人所做工作的基础上从最早的小分子型玻 璃防雾剂到高分子型防雾剂最后是纳米二氧化钛一个递增的顺序对防雾剂进 行一系列研究进一步提高了防雾膜的防雾功能从经济环保方面考虑得 到一个最佳配方 其中研制的高分子型防雾剂是一种长效无毒经济实用的绿色高分子 型玻璃防雾剂并对研制的防雾剂与几种商业化的防雾剂进行防雾持续时间 防霜效果透光率和表面状态等性能进行测定研究结果表明该防雾剂可以 连续防雾 12 天以上在－20 ℃以下能保持玻璃表面不结霜涂有该防雾剂的 玻璃透光性良好基本保持玻璃原有的透光性防雾剂 pH 值在 7～8对玻璃及 使用者无危害 研制的二氧化钛型防雾剂是采用溶胶凝胶法自制提拉器涂膜在500℃进 行热处理得到透明的二氧化钛膜并对膜的一些性能进行了初步的探索研 究表明所得的溶胶透明性稳定性都很好可以放置数十天而不沉淀并且 通过XRD检测所得到的晶形是锐钛矿二氧化钛 关键字防雾剂 防雾时间 二氧化钛 Ⅰ Abstract In the cool winter or rainy season the hot air vapor will condense on the cool glass It will greatly reduce the glass light transmittance influence the line of sight bring a lot of inconvenience in life This paper bases on the work of some persons who have done some research The study is from the original hydrone glass antifogging agent to the polymer glass antifogging agent and the TiO2 film glass antifogging agent The research order is incremental The purpose is to improve the antifogging films function And then following the economy and environmental protection it has found a best filling of prescription In the polymer glass antifogging agent a new-type antifogging agent for glass that is of lasting nontoxic economic and practical was prepared and properties of the antifogging agent were studied The result has been showed that the antifogging time is over 12 days There is no frost on the glass surface coated by polymer glass antifogging agent at -20℃ The pH value of polymer glass antifogging agent is between 7～8which is safe for glass but also user TiO2 film for glass antifogging was prepared by using sol-gel method and the auto-promoted film device The TiO2 film was disposed