Use of block copolymer as compatibilizer in polyimide/zeolite composite membranes

Rajkumar Patel; Jung Tae Park; Hyun Pyo Hong; Jong Hak Kim; Byoung Ryul Min

doi:10.1002/pat.1556

Use of block copolymer as compatibilizer in polyimide/zeolite composite membranes

Rajkumar Patel, Jung Tae Park, Hyun Pyo Hong, Jong Hak Kim, Byoung Ryul Min

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

In this work, we introduced a diblock copolymer (dBC), i.e., polystyrene-b-poly(hydroxyl ethyl acrylate) (PS-b-PHEA) as a compatibilizer to enhance interfacial adhesion between PI and zeolite in PI/Zeolite/dBC (1/0.1/0.05wt%) membrane for gas separation. FT-IR spectroscopy showed the formation of hydrogen bonding interactions of the carbonyl and the hydroxyl in dBC with both PI and zeolite. The differential scanning calorimeter (DSC) study showed that the glass transition temperature (T_g) of PI increased upon the introduction of dBC, indicating specific interactions in the mixed matrix membranes. The gas permeabilities of H₂, N₂, O₂, and CO₂ through PI/zeolite 5A/dBC membranes were reduced but the permselectivity were increased compared to neat PI membrane.

Original language	English
Pages (from-to)	768-772
Number of pages	5
Journal	Polymers for Advanced Technologies
Volume	22
Issue number	5
DOIs	https://doi.org/10.1002/pat.1556
Publication status	Published - 2011 May

All Science Journal Classification (ASJC) codes

Polymers and Plastics

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10.1002/pat.1556

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abstract = "In this work, we introduced a diblock copolymer (dBC), i.e., polystyrene-b-poly(hydroxyl ethyl acrylate) (PS-b-PHEA) as a compatibilizer to enhance interfacial adhesion between PI and zeolite in PI/Zeolite/dBC (1/0.1/0.05wt%) membrane for gas separation. FT-IR spectroscopy showed the formation of hydrogen bonding interactions of the carbonyl and the hydroxyl in dBC with both PI and zeolite. The differential scanning calorimeter (DSC) study showed that the glass transition temperature (Tg) of PI increased upon the introduction of dBC, indicating specific interactions in the mixed matrix membranes. The gas permeabilities of H2, N2, O2, and CO2 through PI/zeolite 5A/dBC membranes were reduced but the permselectivity were increased compared to neat PI membrane.",

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AU - Patel, Rajkumar

AU - Park, Jung Tae

AU - Hong, Hyun Pyo

AU - Kim, Jong Hak

AU - Min, Byoung Ryul

PY - 2011/5

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AB - In this work, we introduced a diblock copolymer (dBC), i.e., polystyrene-b-poly(hydroxyl ethyl acrylate) (PS-b-PHEA) as a compatibilizer to enhance interfacial adhesion between PI and zeolite in PI/Zeolite/dBC (1/0.1/0.05wt%) membrane for gas separation. FT-IR spectroscopy showed the formation of hydrogen bonding interactions of the carbonyl and the hydroxyl in dBC with both PI and zeolite. The differential scanning calorimeter (DSC) study showed that the glass transition temperature (Tg) of PI increased upon the introduction of dBC, indicating specific interactions in the mixed matrix membranes. The gas permeabilities of H2, N2, O2, and CO2 through PI/zeolite 5A/dBC membranes were reduced but the permselectivity were increased compared to neat PI membrane.

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Use of block copolymer as compatibilizer in polyimide/zeolite composite membranes

Abstract

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