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Preparation and Size-Controlling of Hollow Polymer Microspheres
Author(s): 
Pages: 32-35
Year: Issue:  2
Journal: Transactions of Shenyang Ligong University

Abstract: 以甲基丙烯酸甲酯和二甲基丙烯酸乙二醇酯为主要单体,聚乙烯醇为分散剂,利用悬浮聚合方法制备出了具有中空结构的聚合物微球.利用扫描电子显微镜和偏光显微镜对微球的形貌、粒径及其分布进行了表征.考察了搅拌速度、分散荆用量、油水比、引发剂用量等因素对微球的粒径及其分布的影响.研究结果表明:微球呈多分散状态,中空结构良好,内、外壁光滑;搅拌速度、分散剂用量是控制粒径大小及其分布的主要因素;当油水比>1:1.5...
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