Hemodialysis Membrane Prepared from Bacterial Cellulose/Lithium Chloride/N,N-Dimethylacetamide Solution

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Abstract:

A new bacterial cellulose regenerated cellulose membrane (RBC) has been prepared by phase inversion method in LiCl/DMAC solution. The effects of coagulation concentrations on the physical properties of the RBC membranes were studied and optimized. Features of the RBC of membranes obtained using 0%~40% N,N-Dimethylacetamide (DMAC), such as water absorption percentage, porosity (Pr), ultrafilter rate (UFR), and tensile strength were investigated. The RBC membranes prepared with 40% DMAC solution as coagulant exhibit a smooth surface and a high tensile strength with suitable UFR. RBC showed improved permeabilities for urea and vitamin B12 when compared with commercial cellulose membranes.

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395-399

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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