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Polymers 2018, 10(4), 459; https://doi.org/10.3390/polym10040459

Silk Composite with a Fluoropolymer as a Water-Resistant Protein-Based Material

1
Biomacromolecules Research Team, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wakoshi, Saitama 351-0198, Japan
2
Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
*
Author to whom correspondence should be addressed.
Received: 4 April 2018 / Revised: 19 April 2018 / Accepted: 19 April 2018 / Published: 21 April 2018
(This article belongs to the Special Issue Protein Biopolymer)
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Abstract

Silk-based materials are water-sensitive and show different physical properties at different humidities and under wet/dry conditions. To overcome the water sensitivity of silk-based materials, we developed a silk composite material with a fluoropolymer. Blending and coating the silk protein-based materials, such as films and textiles, with the fluoropolymer enhanced the surface hydrophobicity, water vapor barrier properties, and size stability during shrinkage tests. This material design with a protein biopolymer and a fluoropolymer is expected to broaden the applicability of protein-based materials. View Full-Text
Keywords: silk proteins; fluoropolymer; contact angle; vapor barrier; shrinkage test; biodegradability silk proteins; fluoropolymer; contact angle; vapor barrier; shrinkage test; biodegradability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Numata, K.; Ifuku, N.; Isogai, A. Silk Composite with a Fluoropolymer as a Water-Resistant Protein-Based Material. Polymers 2018, 10, 459.

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