期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 15, 期 3, 页码 2389-2393出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2015.9701
关键词
Capsule; Poly(N-vinylcaprolactam); Template Synthesis; Silica Particles; Radical Polymerization
类别
资金
- Japan Society for the Promotion of Science (JSPS) Fellowship
- World Premier International Research Center Initiative (WPI Initiative) on Materials Nanoarchitectonics, from MEXT Japan
- CREST program of Japan Science and Technology Agency (JST), Japan
We report the facile fabrication of polymer capsules based on the template polymerization of N-vinylcaprolactam (VCL) at the surface of silica particles. The modification of silica surfaces with methacrylate groups favors the polymerization of VCL leading to the formation of a homogenous PVCL layer. PVCL capsules approximately 200 nm in diameter were obtained after removal of the silica template. In contrast to most of other polymer capsules, the hollow morphology was maintained even in the dried state. The PVCL capsules, which possess smart properties based on thermal stimuli, should have wide potential applications in biological therapy.
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