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A novel soluble conjugated copolymer (propionic acid)-co-(propargyl alcohol) (PA-co-OHP) has been synthesized for the first time using a new palladium acetylide catalyst Pd(PPh3)2 (C(CC(CH3)2OH)2 (PPB). Thin film resistive humidity sensor based on the copolymer doped with HClO4 was prepared. The impedance of the sensor changed from 103~107 ( in 95%~30%RH, and the response of that is very quick (<6 sec.). Preliminary results show the copolymer is a promising humidity sensitive material.
A novel soluble conjugated copolymer (propionic acid) -co- (propargyl alcohol) (PA-co-OHP) has been synthesized for the first time using a new palladium acetylide catalyst Pd (PPh3) 2 The impedance of the sensor changed from 103 to 107 (in 95% to 30% RH, and the response of that is very quick (<6 sec.). Preliminary results show the copolymer is a ready humidity sensitive material.