期刊
CHEMICAL, MATERIAL AND METALLURGICAL ENGINEERING III, PTS 1-3
卷 881-883, 期 -, 页码 83-86出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/AMR.881-883.83
关键词
polypyrrole; chitosan; polylactic acid; microencapsules
The emulsion of chitosan in acetic acid aqueous and poly lactic acid in chloroform was spray-dried to obtain the chitosan/poly lactic acid microencapsules (CS-PLA). The polypyrrole / chitosan/ polylactic acid microencapsules were prepared by polymerization pyrrole on CS-PLA. The structures and the morphologies of microencapsules were characterized by FTIR, SEM, TGA and four probes technique. The results showed that multilayer polypyrrole were formation on the surface of CS-PLA microencapsules, the microencapsules had 3.0-8.0 mu m diameters with smooth surface, and the electrical conductivity value was 1.03x10(-3) S/cm.
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