@article { ISI:000250356300015,
	title = {Gas permeation in amine functionalized silicon rubber membranes},
	journal = {Separation and Purification Technology},
	volume = {57},
	number = {2},
	year = {2007},
	month = {OCT},
	pages = {304-313},
	publisher = {ELSEVIER SCIENCE BV},
	type = {Article},
	address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS},
	abstract = {<p>Silicon rubber (SR) based thin film composite (TFC) membranes find increasing applicability in various industrial separations owing to its excellent thermal and chemical stability. The functionalization of SR would provide enhanced separation characteristics for certain separation applications. The present research focuses on gas permeation properties of dense and thin film composite membranes based on amine substituted silicon rubber (ASR) and unsubstituted silicon rubber (SR). The dense membrane sorption analysis indicated that presence of amine functionality in ASR increased pressure dependant CO2 sorption capacity. Owing to this, an elevation Of CO2 permeability by 15\% and CO2 based selectivities by 22-34\% in comparison to that of unsubstituted SR was observed. The TFC membranes with SR and ASR as the selective layer on the top of different ultrafiltration (UF) supports with varying properties based on polyacrylonitrile and polysulfone were prepared. The effects of crucial parameters that affected TFC membrane performance, viz., coating solution concentration, UF support membrane porosity and nature of materials were investigated. The preparation of ASR based TFC membranes was demonstrated with a simple crosslinking agent-glutaraldehyde while analyzing effects of crosslinking time on their permeation properties. Polyacrylonitrile (PAN) was found to be better support layer material for ASR based TFC formation than polysulfone (PSF). Thin defect free coating layer can be obtained by appropriate combination of coating solution concentration and support UF membrane porosity. The analysis of effective skin layer thickness of TFC membranes indicated that careful optimization of these parameters is necessary to achieve defect free TFC membranes possessing a good combination of permeance and selectivity. (C) 2007 Elsevier B.V. All rights reserved.</p>},
	keywords = {Carbon dioxide, Gas permeation, silicon rubber, thin film composite membrane},
	issn = {1383-5866},
	doi = {10.1016/j.seppur.2007.05.002},
	author = {Achalpurkar, Manoj P. and Kharul, Ulhas K. and Lohokare, Harshada R. and Karadkar, Prasad B.}
}
@article { ISI:000274348100003,
	title = {Polyarylate based thin film composite (TFC) membranes: effects of coating parameters, gutter layer, and intrinsic material properties},
	journal = {Separation Science and Technology},
	volume = {45},
	number = {2},
	year = {2010},
	month = {JAN},
	pages = {163-171},
	publisher = {TAYLOR \& FRANCIS INC},
	address = {325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA},
	abstract = {<p>Investigations in thin film composite (TFC) membrane formation with polyacrylonitrile ultrafiltration membrane as a support and three polyarylates with sequentially increased polarity are reported. Effects of TFC membrane preparation parameters viz., concentration of the coating solution, dip time, presence of solvent in pores of UF membrane support, and presence of the gutter layer were examined towards the formation of the selective skin layer, which was assessed by gas permeation analysis. TFC membranes prepared using dimethyl bisphenol-A based polyarylate exhibited similar to 3 orders of magnitude higher permeability and comparable selectivity as that of its dense membrane.</p>},
	keywords = {Gas permeation, gutter layer, polarity, polyarylates, TFC membrane},
	issn = {0149-6395},
	doi = {10.1080/01496390903423089},
	author = {Chendake, Yogesh J. and Bhole, Yogesh S. and Lohokare, Harshada R. and Kharul, Ulhas K.}
}
