Self-assembled patterns obtained with evaporated polymer solutions and pre-stretched polymer substrates

Edward Bormashenko; Albina Musin; Roman Pogreb; Yelena Bormashenko; Oleg Gendelman

doi:10.1016/j.colsurfa.2007.04.024

Self-assembled patterns obtained with evaporated polymer solutions and pre-stretched polymer substrates

Edward Bormashenko, Albina Musin, Roman Pogreb, Yelena Bormashenko, Oleg Gendelman

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

8 Scopus citations

Abstract

We report patterns comprising non-spherical microscopic pores obtained under dewetting of polymer solutions of chlorinated solvents and amorphous polymers deposited on the pre-stretched polyethylene substrates. Patterns on meso- and microscopic scales were observed. Mesoscopically scaled pattern is practically insensitive to the mechanical strain, whereas small scale microscopic voids were highly deformed, and demonstrated the average eccentricity as high as 0.25. Introduction of PEG and RTV polyorganosiloxanes/silanes destroyed the large scale pattern, thus honeycomb pattern comprising non-spherical microscopic pores has been obtained. The patterns demonstrate a potential for polymer ferroelectret applications.

Original language	English
Pages (from-to)	253-256
Number of pages	4
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	303
Issue number	3
DOIs	https://doi.org/10.1016/j.colsurfa.2007.04.024
State	Published - 15 Aug 2007

Keywords

Anisotropic pores
Dewetting
Polymer solution
Pre-stretched substrate
Two-fold pattern

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10.1016/j.colsurfa.2007.04.024

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abstract = "We report patterns comprising non-spherical microscopic pores obtained under dewetting of polymer solutions of chlorinated solvents and amorphous polymers deposited on the pre-stretched polyethylene substrates. Patterns on meso- and microscopic scales were observed. Mesoscopically scaled pattern is practically insensitive to the mechanical strain, whereas small scale microscopic voids were highly deformed, and demonstrated the average eccentricity as high as 0.25. Introduction of PEG and RTV polyorganosiloxanes/silanes destroyed the large scale pattern, thus honeycomb pattern comprising non-spherical microscopic pores has been obtained. The patterns demonstrate a potential for polymer ferroelectret applications.",

keywords = "Anisotropic pores, Dewetting, Polymer solution, Pre-stretched substrate, Two-fold pattern",

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T1 - Self-assembled patterns obtained with evaporated polymer solutions and pre-stretched polymer substrates

AU - Bormashenko, Edward

AU - Musin, Albina

AU - Pogreb, Roman

AU - Bormashenko, Yelena

AU - Gendelman, Oleg

PY - 2007/8/15

Y1 - 2007/8/15

N2 - We report patterns comprising non-spherical microscopic pores obtained under dewetting of polymer solutions of chlorinated solvents and amorphous polymers deposited on the pre-stretched polyethylene substrates. Patterns on meso- and microscopic scales were observed. Mesoscopically scaled pattern is practically insensitive to the mechanical strain, whereas small scale microscopic voids were highly deformed, and demonstrated the average eccentricity as high as 0.25. Introduction of PEG and RTV polyorganosiloxanes/silanes destroyed the large scale pattern, thus honeycomb pattern comprising non-spherical microscopic pores has been obtained. The patterns demonstrate a potential for polymer ferroelectret applications.

AB - We report patterns comprising non-spherical microscopic pores obtained under dewetting of polymer solutions of chlorinated solvents and amorphous polymers deposited on the pre-stretched polyethylene substrates. Patterns on meso- and microscopic scales were observed. Mesoscopically scaled pattern is practically insensitive to the mechanical strain, whereas small scale microscopic voids were highly deformed, and demonstrated the average eccentricity as high as 0.25. Introduction of PEG and RTV polyorganosiloxanes/silanes destroyed the large scale pattern, thus honeycomb pattern comprising non-spherical microscopic pores has been obtained. The patterns demonstrate a potential for polymer ferroelectret applications.

KW - Anisotropic pores

KW - Dewetting

KW - Polymer solution

KW - Pre-stretched substrate

KW - Two-fold pattern

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JO - Colloids and Surfaces A: Physicochemical and Engineering Aspects

JF - Colloids and Surfaces A: Physicochemical and Engineering Aspects

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Self-assembled patterns obtained with evaporated polymer solutions and pre-stretched polymer substrates

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