Gas permeation in amine functionalized silicon rubber membranes

Achalpurkar, Manoj P.; Kharul, Ulhas K.; Lohokare, H. R.; Karadkar, Prasad

doi:10.1016/j.seppur.2007.05.002

Cited by 36 publications

(11 citation statements)

References 28 publications

(46 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In the cross-linked Matrimid membranes, the permeabilities of different tested gases follow the order of CO 2 > H 2 > CH 4 > N 2 . The order is the same as in most rubber polymer membranes [12,33]. It means that the gas permeability is mainly determined by the rubber PEO phase rather than the glass Matrimid phase in the cross-linked Matrimid membranes.…”

Section: Gas Transport Properties Of Cross-linked Matrimidmentioning

confidence: 78%

Poly(ethylene oxide) induced cross-linking modification of Matrimid membranes for selective separation of CO2

Zhao

Cao

Ding

et al. 2008

Journal of Membrane Science

View full text Add to dashboard Cite

Section: Gas Transport Properties Of Cross-linked Matrimidmentioning

confidence: 78%

Poly(ethylene oxide) induced cross-linking modification of Matrimid membranes for selective separation of CO2

Zhao

Cao

Ding

et al. 2008

Journal of Membrane Science

View full text Add to dashboard Cite

“…Shieh and Chung [24] investigated influencing parameters such as coating solution concentration, prewetting treatment, solvent type, and substrate materials of cellulose nitrate‐based multilayer composite membrane. Achalpurkar et al [25] reported the effects of vital parameters such as support porosity and nature of material on the performance of resulting thin‐film composite membrane. However, the effect of PDMS coating conditions is not reported.…”

Section: Introductionmentioning

confidence: 99%

Effect of coating method on gas separation by PDMS/PES membrane

Madaeni

Badieh

Vatanpour

2013

Polymer Engineering & Sci

View full text Add to dashboard Cite

In this study, polydimethylsiloxane (PDMS)‐coated polyethersulfone (PES) composite membrane was prepared for gas separation. “Film casting” and “dip‐coating” techniques were used for producing selective PDMS layer on the surface of the PES support. The effects of coating technique and conditions including coating solution concentration and curing temperature on permselectivity of CO2, CH4, and N2 were investigated. The prepared PES support did not provide any selectivity to the gases. When the concentration of PDMS coating solution was increased, initially permeability of CO2 was rapidly dropped and then gradually reached to an almost constant value. The optimum concentration of coating solution was 5 wt%. Curing temperature showed no pronounced effect on the CO2 permeability and selectivity. In “film casting” method, double coating showed superior permeability and selectivity. However, triple “dip‐coating” was promising. The selectivity of composite membrane prepared by “dip‐coating” was higher than “film casting” method. CO2/N2 and CO2/CH4 selectivity of five sequential dip‐coated composite membranes was 45.5 and 9.3, respectively. POLYM. ENG. SCI., 2013. © 2013 Society of Plastics Engineers

show abstract

“…As a matter of fact, PDMS is one of the most highly permeable polymers such as polyacetylene‐based glassy polymers with high fractional volume [poly(1‐trimethysilyl‐1‐propyne), poly(diphenylacetylene), poly(4‐methyl‐2‐pentyne), etc.]. However, it has poor separation ability for small gas molecules and weak mechanical properties, and these restrict its application in gas separation …”

Section: Introductionmentioning

confidence: 99%

Improvement in gas separation properties of a polymeric membrane through the incorporation of inorganic nano‐particles

Ghadimi

Norouzbahari

Sadrzadeh

et al. 2011

Polymers for Advanced Techs

View full text Add to dashboard Cite

The present work tries to introduce a high‐performance nano‐composite membrane by using polydimethylsiloxane (PDMS) as its main polymer matrix to meet some specific requirements in industrial gas separations. Different nano‐composite membranes were synthesized by incorporating various amounts of nano‐sized silica particles into the PDMS matrix. A uniform dispersion of nano‐particles in the host membranes was obtained. The nano‐composite membranes were characterized morphologically by scanning electron microscopy and atomic force microscopy. Separation properties, permeability, and ideal selectivity of C3H8, CH4, and H2 through the synthesized nano‐composite membranes with different nano‐particle contents (0.5, 1, 1.5, 2, 2.5, and 3 wt%) were investigated at different pressures (2, 3, 4, 5, 6, and 7 atm) and constant temperature (35°C). It was found out that a 2 wt% loading of nano‐particles into the PDMS matrix is optimal to obtain the best separation performance. Afterwards, sorption experiments for the synthesized nano‐composite membranes were carried out, and diffusion coefficients of the gases were calculated based on solution‐diffusion mechanism. Gas permeation and sorption experiments showed an increase in sorption and a decrease in diffusion coefficients of the gases through the nano‐composite membranes by adding nano‐particles into the host polymer matrix. Copyright © 2011 John Wiley & Sons, Ltd.

show abstract

Gas permeation in amine functionalized silicon rubber membranes

Cited by 36 publications

References 28 publications

Poly(ethylene oxide) induced cross-linking modification of Matrimid membranes for selective separation of CO2

Poly(ethylene oxide) induced cross-linking modification of Matrimid membranes for selective separation of CO2

Effect of coating method on gas separation by PDMS/PES membrane

Improvement in gas separation properties of a polymeric membrane through the incorporation of inorganic nano‐particles

Contact Info

Product

Resources

About