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Inspirations from nature——Preliminary discussion of wood bionics

Li Jian and Sun Qingfeng

Strategic Study of CAE 2014, Volume 16, Issue 4, Pages 4-12

Abstract:

Inherently intelligent behaviors and uniquely natural attributes of some organisms in nature were specifically listed in this paper. Inspired by nature，the theoretical foundation for constructing wood bionics was preliminarily stated. Under the guidance of biology and current technology，wood will be endowed with some untraditional properties and newly innovated wood-based materials will possess a much larger developing space.

Keywords： wood bionics superhydrophobicity aerogel intelligence interface

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A free-standing superhydrophobic film for highly efficient removal of water from turbine oil

Fan Shu, Meng Wang, Jinbo Pang, Ping Yu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2, Pages 393-399 doi: 10.1007/s11705-018-1754-3

Abstract: A free-standing superhydrophobic film is prepared by sequentially dip-coating a commercially available filter paper with nano SiO suspension, epoxy emulsion, and octyltrimethoxysilane solution. A surface with micro- or nano-roughness is formed because SiO nanoparticles are uniformly and firmly adhered on the backbone of the filter paper by the cured epoxy resin. Furthermore, the surface energy is significantly reduced because of introducing octytrimethoxysilane. Such a surface structure makes the prepared film a superhydrophobic material. Due to its free-standing nature, this superhydrophobic film can be used to remove water from turbine oil by filtration. The efficiency of water removal is high (up to 94.1%), and the filtration process is driven solely by gravity without extra energy consumption. Because of the facile fabrication process and the high efficiency of water removal, this free-standing superhydrophobic film may find application in power industry.

Keywords： superhydrophobicity nanoparticles dip coating epoxy emulsion turbine oil