期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 26, 期 19, 页码 1552-1556出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200500373
关键词
atom transfer radical polymerization (ATRP); fluid AFM; nanotubes; templates; thermosensitive polymer
Thermosensitive polymer nanotubes can be fabricated within an aminopropylsilane-modified porous anodic aluminum oxide membrane by surface-initiated atom transfer radical polymerization (ATRP) followed by template removal. DSC experiments prove that the synthesized PNIPAM-co-MBAA copolymer nanotubes have a reversible thermosensitive behavior. The temperature-induced changes in dimension and shape of the nanotubes were studied by AFM in real time in an aqueous environment. It indicates that the nanotubes undergo a shape alteration from an ellipse to ''circular shape in water upon heating to LCST or above.
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