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Supramolecular Crosslinked Linear Poly(Trimethylene Iminium Trifluorosulfonimide) Polymer Gels Sensitive to Light and Thermal Stimuli
Author(s) -
Suzuki T.,
Shinkai S.,
Sada K.
Publication year - 2006
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200502552
Subject(s) - azobenzene , photoisomerization , materials science , supramolecular chemistry , polymer , phase transition , phase (matter) , irradiation , glass transition , thermal , polymer chemistry , chemical engineering , polymer science , organic chemistry , composite material , catalysis , isomerization , chemistry , molecule , thermodynamics , physics , engineering , nuclear physics
A photo‐ and thermoresponsive physical gel has been developed based on crosslinked supramolecular polymer networks. The gel shows reversible sol–gel phase transitions induced by heat or light irradiation. The photoinduced sol–gel phase transition shown in the figure results from the cis–trans photoisomerization of an azobenzene group present in the crosslinker.