期刊
ACS MACRO LETTERS
卷 2, 期 8, 页码 757-760出版社
AMER CHEMICAL SOC
DOI: 10.1021/mz400281f
关键词
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资金
- World Premier International Research Center Initiative (WPI), MEXT, Japan
- US Department of Energy, Office of Basic Energy [DE-FG02-96ER45612]
- U.S. Department of Energy (DOE) [DE-FG02-96ER45612] Funding Source: U.S. Department of Energy (DOE)
Here we demonstrate a simple, yet powerful method, atomic force microscopy (AFM) nanomechanical mapping, to directly visualize the interdiffusion and microstructure at the interface between two polymers. Nanomechanical measurements on the interface between poly(vinyl chloride) (PVC) and poly(caprolactone) (PCL) allow quantification of diffusion kinetics, observation of microstructure, and evaluation of mechanical properties of the interdiffusion regions. These results suggest that nanomechanical mapping of interdiffusion enables the quantification of diffusion with high resolution over large distances without the need of labeling and the assessment of mechanical property changes resulting from the interdiffusion.
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