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Smart gel–glass based on the responsive properties of polymer gels
Author(s) -
Zrínyi Miklós,
Szilágyi András,
Filipcsei Genovéva,
Fehér József,
Szalma József,
Móczár Gábor
Publication year - 2001
Publication title -
polymers for advanced technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.61
H-Index - 90
eISSN - 1099-1581
pISSN - 1042-7147
DOI - 10.1002/pat.110
Subject(s) - self healing hydrogels , materials science , smart polymer , polymer , opacity , layer (electronics) , smart material , composite material , chemical engineering , polymer chemistry , optics , physics , engineering
Polymer gels are unique smart materials in the sense that they can respond to many different stimuli. In this paper we report how poly(N‐isopropylacrylamide) (abbreviated as PNIPA) and other polymer hydrogels can be used to construct an intelligent gel‐glass which can moderate the amount of light and radiated heat. This environmental sensitive glass, which is a smart hydrogel layer placed between two glass or plastic sheets, becomes opaque when the temperature exceeds a critical value. It becomes transparent again if it is cooled down. The adaptive properties of gel‐glasses make them a promising materials to protect from strong sunlight and heat radiation. Copyright © 2001 John Wiley & Sons, Ltd.