期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 242, 期 1-3, 页码 17-20出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2004.04.057
关键词
gelatin; hydrolyzed styrene-maleic anhydride copolymer; microcapsule; microstructure; electron microscopy
Stable, uniform, and spherical microcapsules were prepared from gelatin and a hydrolyzed copolymer of styrene and maleic anhydride (SMA) by complex coacervation. The gelatin/SMA microcapsules were characterized in terms of microstructure, morphologies, thermal stability, and release behavior by scanning electron microscopy (SEM), optical microscopy, and thermogravimetric analysis (TGA). It is demonstrated that the membranes of the microcapsules are formed from nano-sized coacervate droplets resulting from gelatin and hydrolyzed SMA, which leads to a compact membrane structure. (C) 2004 Elsevier B.V. All rights reserved.
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