Preparation of Large Size Microcapsules Containing Tri- n -octylamine by In situ Polymerization Combined with a Gel Inclusion Method and Their Extraction Behavior
Preparation of Large Size Microcapsules Containing Tri- n -octylamine by In situ Polymerization Combined with a Gel Inclusion Method and Their Extraction Behavior
复制标题
原位聚合结合凝胶包合法制备大尺寸三正辛胺微胶囊及其萃取行为
DOI：
10.15261/serdj.17.215
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发表时间：
2010
影响因子：
0.7
通讯作者：
Y. Hatate
中科院分区：
文献类型：
--
作者：
K. Shiomori;Katsuyuki Saeki;Takashi Sana;S. Kiyoyama;M. Yoshida;Y. Hatate
采用凝胶包合法原位聚合制备了粒径大于2mm的大粒径三正辛胺（TOA）微胶囊。苯乙烯和二乙烯基苯的共聚物被用作胶囊壁材料。当TOA浓度较高时，微胶囊呈薄壁大腔的单芯结构。然而，在低TOA浓度下，结构变为填充有共聚物的基质类型。微胶囊中的TOA含量随着有机相中的初始TOA浓度线性增加，直到60wt%。成功地将乙酸萃取到微胶囊中。微胶囊可重复使用4次，在重复使用过程中，微胶囊中乙酸的提取量是恒定的。
Large size microcapsules containing tri- n -octylamine (TOA) with a diameter of larger than 2 mm were prepared by in situ polymerization with a gel inclusion of an organic droplet. A copolymer of styrene and divinylbenzene was used as the capsule wall material. When the concentration of TOA was high, the structure of the microcapsules was mono-cored with a thin wall and large cavity. However, at low TOA concentration, the structure changed to a matrix type filled with the copolymer. The TOA content in the microcapsules increased linearly with the initial TOA concentration in the organic phase until 60wt%. The extraction of acetic acid into the microcapsules was successfully carried out. It was possible to reuse the microcapsules 4 times and the extracted amount of acetic acid into the microcapsules was constant during their reuse.