期刊
AIP ADVANCES
卷 8, 期 7, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5031847
关键词
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资金
- National Key Research and Development Program of China [2017YFB0702100]
- National Natural Science Foundation of China [51731008, 51671163]
A compression regionwas unexpectedly formed in a semiliquid alkyd film during polymerization under a local electric field, and the thin compression region in the cured film was found to be interestingly more impermeable than the other thick areas. Based on optical andSEMobservations and electrochemical impedance spectroscopy analysis, a charging process was proposed to interpret the film morphology change. It was further inferred that some of the species from air ionization in the electric field might participate in the polymerization of the film and the electric field could beneficially interfere the micro-defects in the film, both of which helped lower the permeability of the cured film. The study also implies that the electric field modification may be employed to micro-machine a soft surface, enhance the quality of an organic coating, and even control automatons in future. (C) 2018 Author(s).
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