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Blending of TiO 2 nanoparticles with cellulose acetate polymer: to study the effect on morphology and gas permeation of blended membranes
Author(s) -
Farrukh Sarah,
Javed Sofia,
Hussain Arshad,
Mujahid Muhammad
Publication year - 2014
Publication title -
asia‐pacific journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.348
H-Index - 35
eISSN - 1932-2143
pISSN - 1932-2135
DOI - 10.1002/apj.1783
Subject(s) - membrane , permeation , chemical engineering , materials science , cellulose acetate , nanoparticle , polymer , anatase , scanning electron microscope , sol gel , polymer chemistry , nanotechnology , chemistry , composite material , organic chemistry , photocatalysis , biochemistry , engineering , catalysis
Cellulose acetate–titania (CA–TiO 2 ) nanoparticles blended membranes were fabricated using diffusion‐induced phase separation process to observe the effect of inorganic nanofillers on the surface topography and gas permeation properties of CA membrane. Self‐synthesized TiO 2 nanoparticles using sol gel reflux condensation were employed as nanofillers, which is the anatase phase of TiO 2 with crystallite size of 5–10 nm. The synthesized membranes were characterized using scanning electron microscopy and atomic force microscopy techniques to study the nanoscale distribution of TiO 2 nanoparticles, surface roughness, and pores generation in blended membranes, with increasing nanoparticles' concentration in polymer matrix. The permeability of CO 2 was found to be increased for CA–TiO 2 blended membranes. The CO 2 /CH 4 selectivity up to 23.3 was documented. © 2014 Curtin University of Technology and John Wiley & Sons, Ltd.

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