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Production of micron-size monodispperse hollow polymer particles

机译:微米级单分散空心聚合物颗粒的生产

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4 μm-sized monodispersed cross-linked polymer particles having hollow structure were produced as follows. First, 1.7 μm-sized monodispersed polystyrene (PS) seed particles produced by dispersion polymerization were dispersed in ethanol/water (7/3, w/w) solution in which divinylbenzene (DVB), benzoyl peroxide (BPO), poly(vinyl alcohol), and toluene was dissolved. The PS seed particles were swollen with DVB, toluene and BPO maintaining high monodispersity throughout the dynamic swelling process where water was slowly added continuously. And then, the seeded polymerization of the (toluene/DVB) - swollen PS particles was carried out.
机译:如下制备具有中空结构的4μm尺寸的单分散交联聚合物颗粒。首先,将分散聚合制得的1.7μm大小的单分散聚苯乙烯(PS)种子颗粒分散在乙醇/水(7/3,w / w)溶液中,该溶液中有二乙烯基苯(DVB),过氧化苯甲酰(BPO),聚乙烯醇),甲苯溶解。在整个动态溶胀过程中,将DVB,甲苯和BPO溶胀PS种子颗粒,并保持较高的单分散性,在该过程中,缓慢地连续添加水。然后,进行(甲苯/ DVB)溶胀的PS颗粒的种子聚合。

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