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Proceedings Paper

Insertion of intelligent hydrogel into silicone resin for thermal control applications
Author(s): Hua Wei; Dengteng Ge; Zeng Fan; Chang Liu; Xiaodong He; Yao Li
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Paper Abstract

As a kind of intelligent temperature-sensitive polymer, the poly (N-isopropylacrylamide) (PNIPA) hydrogel has lower critical solution temperature (LCST) of 33°C. PNIPA could change from transparency to opacification due to its phase separation. In this work, silicone coatings were doped with PNIPA particles, which were obtained by rotary cutting after N-isopropylacrylamide cross link reaction between N-isopropylacrylamide and N, N-methylenebisacrylamide in the aqueous solution below 20°C. The morphology and optical properties were characterized by SEM, FTIR and UV-Vis-NIR, respectively. The results show that combination of silicone resin and PNIPA particles enhances the diffuse reflection and operability in applications. It proves that the reversible thermal chronic property of PNIPA is useful for intelligent thermal control application.

Paper Details

Date Published: 20 October 2009
PDF: 6 pages
Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 749347 (20 October 2009); doi: 10.1117/12.841914
Show Author Affiliations
Hua Wei, Harbin Institute of Technology (China)
Dengteng Ge, Harbin Institute of Technology (China)
Zeng Fan, Harbin Institute of Technology (China)
Chang Liu, Harbin Institute of Technology (China)
Xiaodong He, Harbin Institute of Technology (China)
Yao Li, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 7493:
Second International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Anand K. Asundi; Wolfgang Ecke, Editor(s)

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