Compatibility of PTET‐60/CA blends and separation performance of their membranes for benzene/cyclohexane mixture by pervaporation | Zendy

Bai Yunxiang | Zendy; Qian Jinwen | Zendy; Zhao Qiang | Zendy; Xu Yong | Zendy; Ye Shengrong | Zendy

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Compatibility of PTET‐60/CA blends and separation performance of their membranes for benzene/cyclohexane mixture by pervaporation

Author(s) -

Bai Yunxiang,

Qian Jinwen,

Zhao Qiang,

Xu Yong,

Ye Shengrong

Publication year - 2006

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.24557

Subject(s) - pervaporation , membrane , chemistry , benzene , permeation , analytical chemistry (journal) , chromatography , materials science , organic chemistry , biochemistry

Aromatic copolyester of poly(trimethylene‐ co ‐ethylene terephthalate) (PTET) with different composition was synthesized and the PTET sample with 60% weight fraction of polytrimethylene (PTET‐60) was amorphous. The compatibility of PTET‐60/cellose acetate (CA) blends and the pervaporation of their membranes for separation of benzene/cyclohexane mixtures were investigated. It was found that PTET‐60 is compatible with CA when the weight fraction of PTET‐60 in PTET‐60/CA blends ( W PTET‐60 ) is lower than 0.35 and more than 0.5. Both the degree of swelling (DS) and the permeation flux ( J ) of these blend membranes increased with increasing W PTET‐60 from 0 to 0.35, and a maximum value of the separation factor (α) displayed at W PTET‐60 = 0.25. © 2006 Wiley Periodicals, Inc. J Appl PolymSci 102: 2832–2838, 2006

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