Polymeric complex membranes for olefin/paraffin separation | Zendy

Hsiue GingHo | Zendy; Yang JinSheng | Zendy

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Polymeric complex membranes for olefin/paraffin separation

Author(s) -

Hsiue GingHo,

Yang JinSheng

Publication year - 1996

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.19961050108

Subject(s) - membrane , olefin fiber , polymer chemistry , sorption , permeation , materials science , propane , gas separation , chemical engineering , polymer , chemistry , organic chemistry , composite material , biochemistry , adsorption , engineering

Semi‐crystalline polyethylene (PE), rubbery silicone rubber (SR) and glassy poly[(l‐trimethylsilyl)‐l‐propyne] (PTMSP) were modified for olefin/paraffin separation. The polymers were first grafted with the acrylic acid (AA) and then incorporated with silver ions for forming the complex membranes such as PE‐g‐AA‐Ag + , SR‐g‐AA‐Ag + and PTMSP‐g‐AA‐Ag + The complex membranes were activated by glycerol solvation and subsequently showed high selectivity in olefin/paraffin separation. The silver ion distribution, the kinetics of olefin binding to PE‐g‐AA‐Ag + , the gas permeation properties and the sorption behaviors were studied. A novel dry complex membrane for olefin/paraffin separation based on AgClO 4 complexing with PTMSP main‐chain was also studied.

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