Self‐Flocculating/Self‐Dispersing Oscillation of Microgels | Zendy

Suzuki Daisuke | Zendy; Sakai Takamasa | Zendy; Yoshida Ryo | Zendy

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Self‐Flocculating/Self‐Dispersing Oscillation of Microgels

Author(s) -

Suzuki Daisuke,

Sakai Takamasa,

Yoshida Ryo

Publication year - 2008

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200703953

Subject(s) - flocculation , copolymer , self oscillation , oscillation (cell signaling) , materials science , polymer chemistry , swelling , dispersion (optics) , lower critical solution temperature , catalysis , chemical engineering , colloid , belousov–zhabotinsky reaction , phase (matter) , chemistry , polymer , physics , composite material , organic chemistry , biochemistry , optics , quantum mechanics , engineering

Self‐oscillating microgels have been obtained by introducing a Ru catalyst for the Belousov–Zhabotinsky (BZ) reaction into a cross‐linked copolymer. In this microgel system, the chemical energy of the BZ reaction is converted to rhythmic swelling/deswelling with self‐flocculating/self‐dispersing oscillation of the microgel around its phase‐transition temperature (see scheme; Ru(bpy) 3 denotes a Ru tris‐bipyridine complex bearing a vinyl group).

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