NDLI: Internal polymer pore functionalization through coated particle templating affords fluorine-free green functional textiles

Content Provider	Royal Society of Chemistry (RSC)
Author	Kellenberger, C. R. Stark, W. J. Stucki, M. Loepfe, M.
Copyright Year	2016
Abstract	Outdoor clothing traditionally contains large numbers of fluorinated organic compounds to provide water vapour permeability (breathability) and protection against rain water. Persistence and bioaccumulation of such chemicals, however, have resulted in their partial ban (Stockholm protocol by the United Nations, 2009). In this study, we show how a simple pore inside coating provides polymer membranes from stearic acid, limestone and elastomers. The selective coating of a pore's inside is based on first providing a core/shell limestone particle, its incorporation into the elastomer, and subsequent dissolution of the limestone core through dilute acid, leaving the former shell within the polymer pore. The process is transferred to a continuous roll-to-roll coating pilot machine, manufacturing at the m2 scale. The produced membrane is laminated to a textile, and finally tailored into a functional outdoor jacket. The process demonstrated here to selectively alter pore surfaces serves as a platform membrane technology that is broadly applicable to other polymers and provides a new way to membrane manufacturing.
Starting Page	15197
Ending Page	15206
Page Count	10
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	4
Issue Number	39
Journal	Journal of Materials Chemistry A
DOI	10.1039/c6ta05169c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	United Nations Stockholm Permeation Bioaccumulation Polymer Acid Limestone Elastomer Roll-to-roll processing
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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