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	Surface Modification of Polyvinylidene Fluoride (PVDF) Membranes by Low-Temperature Plasma with Grafting Styrene
	Chen Jian ; Li Jiding ; Chen Cuixian
	2010-10-12 ; 2010-10-12
关键词	Ar low-temperature plasma surface grafting styrene PVDF membrane POLYACRYLONITRILE ULTRAFILTRATION MEMBRANE HYDROPHILIC MODIFICATION ACRYLIC-ACID VAPOR-PHASE POLYMERIZATION THERMOPOROMETRY FLUOROPOLYMERS PERVAPORATION SIZE GAS Physics, Fluids & Plasmas
中文摘要	In order to control the surface pore sizes of polyvinylidene. fluoride membranes and their distribution, low temperature plasma-induced grafting modi. cations of PVDF were studied to prepare hydrophobe membranes. By argon (Ar) treating and subsequent grafting reaction, a hydrophobe monomer, styrene, was introduced into the PVDF membrane. Fourier transform infrared attenuated total reflection (FTIR-ATR) was utilized to characterize the chemical and physical changes in the Ar plasma modified membrane. The surface modi. cations of PVDF membranes were investigated by using scanning electron microscopy (SEM), atomic force microscopy (AFM) and differential scanning calorimeter (DSC). The water permeability and the solute rejection were measured by PVDF membrane modified in different graft conditions. Results demonstrated that the pores in the modified membranes get smaller and the distribution of pores gets narrowed with the increase in grafting reaction duration. Longer graft time caused the water. flux of PVDF membrane to decrease from 578 kg/(m(2).h) to 23 kg/(m(2).h) and the solute rejection to increase from 73% to 92%.
语种	英语 ; 英语
出版者	IOP PUBLISHING LTD ; BRISTOL ; DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79581]
专题	清华大学
推荐引用方式 GB/T 7714	Chen Jian,Li Jiding,Chen Cuixian. Surface Modification of Polyvinylidene Fluoride (PVDF) Membranes by Low-Temperature Plasma with Grafting Styrene[J],2010, 2010.
APA	Chen Jian,Li Jiding,&Chen Cuixian.(2010).Surface Modification of Polyvinylidene Fluoride (PVDF) Membranes by Low-Temperature Plasma with Grafting Styrene..
MLA	Chen Jian,et al."Surface Modification of Polyvinylidene Fluoride (PVDF) Membranes by Low-Temperature Plasma with Grafting Styrene".(2010).

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