Polylactide hollow spheres fabricated by interfacial polymerization in an oil-in-water emulsion system |
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Authors: | Bingbing Jiang Changyou Gao Jiacong Shen |
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Institution: | (1) Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China |
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Abstract: | A one-step pathway has been adopted to fabricate biodegradable polylactide (PLA) hollow spheres by interfacial polymerization
in an oil-in-water emulsion system. The mechanism of sphere formation is suggested with respect to interfacial cross-linking
polymerization and subsequent precipitation of the unreacted PLA macromonomers onto the preformed shells. Their hollow nature
and morphology were verified by transmission electron microscopy and scanning electron microscope characterizations. |
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Keywords: | Biodegradable Hollow spheres Interfacial polymerization |
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