Electroactive and temperature‐sensitive hydrogel composites
作者： Woo Sun Shim , Doo Sung Lee
DOI: 10.1002/(SICI)1097-4628(19991010)74:2<311::AID-APP12>3.0.CO;2-B
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摘要: The composites of the polypyrrole (PPy) and polyelectrolyte copolymers (PE) were prepared by electrochemical polymerization. various compositions used as a dopant, composed water-soluble polymers 2-Acrylamido-2-methyl-1-propane sulfonic acid (AMPS). Thermally sensitive (N-isopropyl acrylamide, NiPAAm) insensitive (acrylamide, AAm) polymer. activity mass change during redox process PPy investigated potentiodynamic voltametry quartz crystal microbalance (EQCM). was mainly concerned with cation in electrolyte solution. When larger than amount anion (AMPS), insertion/expulsion monoanion (ClO - 4 ) into/from composite also occurred to ionically bond process. PPy/P(NiPAAm/AMPS) shows significant decrease increasing temperature compared PPy/P(AAm/AMPS), transition is higher oxidized state reduced state. increases composition hydrophilic
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