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Updated: Feb 27, 2026
Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification
Published on: April 7, 2017
Transparent gel composite films with multiple functionalities: Long-lasting anti-fogging, underwater
Matt W England1, Tomoya Sato1, Chihiro Urata1
1National Institute of Advanced Industrial Science & Technology (AIST), Shimo-shidami, Moriyama-ku, Nagoya 463-8560, Japan.
Abstract:
Transparent gel-based composite films with multiple functionalities, showing long-lasting anti-fogging properties, underwater superoleophobicity, and anti-bacterial activity were successfully prepared from polyvinylpyrrolidone (PVP) and aminopropyl-functionalized clay (AMP-clay). Due to the addition of glutaraldehyde (GA, cross-linker) into the PVP matrices, and AMP-functionalities to the substrate surfaces, both the adhesion properties in water and durability of the anti-fogging properties were significantly improved. In addition, this durability was also found to be markedly improved by increasing the film thickness via deposition of several PVP/AMP/GA layers, while still retaining excellent transparency.
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