Rapid Fabrication of Porous Amphiphilic Polyamides via Non-conventional Evaporation Induced Phase Separation

27 January 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

In the present work, we report a facile approach to fabricate porous long-chain polyamides (LCPAs) through a non-conventional evaporation induced phase separation. Taking advantage of their amphiphilic nature, LCPAs can be dissolved by a mixture of a polar and a non-polar solvent. The sequential evaporation of solvents leads to the rapid formation of homogeneous pores within 1 minute. Also, it demonstrates that this approach can be applied to other long-chain polycondensates. Our finding provides a new insight to the rapid and coagulating-bath-free fabrication of porous materials.

Keywords

porous
long-chain polyamides
phase separation
amphiphilic polymer

Supplementary materials

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Supporting Information
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Materials, instrument, sample preparation, methods, additional SEM images, DSC curves.
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