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缓蚀剂负载中空SiO2微球的制备及性能
作者:蔡佳文1  跃2 3 吴春春2 3 丁新更1  辉1 2 3 
单位:(1. 浙江大学材料科学与工程学院 杭州 310058 2. 浙江大学浙江–加州国际纳米技术研究院 杭州 310058  3. 浙江大学台州研究院 浙江 台州 318000) 
关键词:二氧化硅微球 聚苯乙烯微球 苯并三氮唑 缓释释放 
分类号:
出版年,卷(期):页码:2020,48(4):0-0
DOI:
摘要:

 摘  要:以乳液聚合法制备的聚苯乙烯微球为模板制备中空介孔二氧化硅微球,经扫描电子显微镜、透射电子显微镜、热重分析、小角度X射线衍射、氮气吸附–脱附等手段对制备得到的中空微球进行性能结构表征。考察了氨水和硅源前驱体用量等制备条件对中空微球的尺寸、介孔孔径、球壳厚度等的影响,6.25 mL氨水和10 g正硅酸乙酯的用量为最佳制备条件。中空SiO2微球作为载体,负载缓蚀剂苯并三氮唑,并对负载缓蚀剂的微球表面进行高分子双电层的修饰,释放曲线实验表明,高分子双电层修饰使微球中缓蚀剂释放速率降低5倍。

基金项目:
浙江省重点研发计划(018C04007);金属防腐功能涂层材料与应用技术创新团队项目;中央高校基本科研业务费专项资金资助(面向海洋防腐功能材料应用技术研究)。
作者简介:
参考文献:

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