Facile synthesis of highly ordered through-micro-porous polyethylene microfiltration membrane via micro-casting
作者： Fan Fan , Lanlan Wang , Hongzhong Liu
DOI: 10.1016/J.MATLET.2017.04.004
关键词: Casting 、 Filtration 、 Polyethylene 、 Thin film 、 Layer (electronics) 、 Composite material 、 Polydimethylsiloxane 、 Microfiltration 、 Materials science 、 Membrane
摘要: Abstract A polyethylene (PE) microfiltration membrane with highly ordered and identical straight through-pore microstructure was facilely synthesized via micro-casting. Initially, through embedding the micropillars of silicon micropillar template into a polydimethylsiloxane (PDMS) layer under press force, we built mold cavity (MPMC) infiltrated PE melt by submerging MPMC to perforate thin film. Then after release PDMS layer, solidified peeled off from template. We membranes different thicknesses tailored MPMCs constructed various forces, achieved perfect peeling without damage belonging thickness 11 ± 0.3 μm due its small force. Water filtration experiment demonstrated membrane’s functional performance on separation.
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