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Reversible Force Generation in a Temperature‐Responsive Nanocomposite Hydrogel Consisting of Poly( N ‐isopropylacrylamide) and Clay
Author(s) -
Haraguchi Kazutoshi,
Taniguchi Shinichi,
Takehisa Toru
Publication year - 2005
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200400398
Subject(s) - poly(n isopropylacrylamide) , nanocomposite , lower critical solution temperature , self healing hydrogels , aqueous solution , materials science , ultimate tensile strength , composite material , polymer , chemical engineering , polymer chemistry , chemistry , copolymer , engineering
Generated force profiles: The authors report the first observation of a retractive mechanical force as a result of a coil–globular transition of poly( N ‐isopropylacrylamide) chains. Using temperature‐sensitive nanocomposite hydrogels, they observed the reversible generation of retractive tensile forces in samples constrained to a constant length in an aqueous environment, in response to alternating the temperature across the lower critical solution temperature.