Free-standing, thermostable, micrometer-scale honeycomb polymer films and their properties

Edward Bormashenko; Alex Schechter; Oleg Stanevsky; Tamir Stein; Sagi Balter; Albina Musin; Yelena Bormashenko; Roman Pogreb; Zahava Barkay; Doron Aurbach

doi:10.1002/mame.200800188

Free-standing, thermostable, micrometer-scale honeycomb polymer films and their properties

Edward Bormashenko, Alex Schechter, Oleg Stanevsky, Tamir Stein, Sagi Balter, Albina Musin, Yelena Bormashenko, Roman Pogreb, Zahava Barkay, Doron Aurbach

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

22 Scopus citations

Abstract

A method of manufacturing free-standing, micrometer-scale honeycomb polyetherimide films is reported for the first time. Films are manufactured with a dip-coating technique under water-assisted self-assembly. It is shown that the addition of poly(organosilane/siloxane)s and polyethylene glycol) allows the formation of regular honeycomb patterns. The films demonstrated the high thermal stability inherent for polyetherimide. The wetting properties of films are reported. The presence of nanopores was revealed with SEM imaging of the films. The makeup of the films allows their use as asymmetric membranes for reverse osmosis and ultrafiltration.

Original language	English
Pages (from-to)	872-877
Number of pages	6
Journal	Macromolecular Materials and Engineering
Volume	293
Issue number	11
DOIs	https://doi.org/10.1002/mame.200800188
State	Published - 12 Nov 2008

Keywords

Membranes
Microstructure
Polyetherimide
Self-organization
Thermal properties

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10.1002/mame.200800188

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AU - Bormashenko, Edward

AU - Schechter, Alex

AU - Stanevsky, Oleg

AU - Stein, Tamir

AU - Balter, Sagi

AU - Musin, Albina

AU - Bormashenko, Yelena

AU - Pogreb, Roman

AU - Barkay, Zahava

AU - Aurbach, Doron

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AB - A method of manufacturing free-standing, micrometer-scale honeycomb polyetherimide films is reported for the first time. Films are manufactured with a dip-coating technique under water-assisted self-assembly. It is shown that the addition of poly(organosilane/siloxane)s and polyethylene glycol) allows the formation of regular honeycomb patterns. The films demonstrated the high thermal stability inherent for polyetherimide. The wetting properties of films are reported. The presence of nanopores was revealed with SEM imaging of the films. The makeup of the films allows their use as asymmetric membranes for reverse osmosis and ultrafiltration.

KW - Membranes

KW - Microstructure

KW - Polyetherimide

KW - Self-organization

KW - Thermal properties

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Free-standing, thermostable, micrometer-scale honeycomb polymer films and their properties

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Keywords

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