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Soluble Poly(propargyl benzoate) (PPBT) with (-conjugated structure was synthesized using a novel bis(triphenylphosphine)-bisacetylide palladium complex catalyst [Pd(PPh3)2(C(CCH2OOCPh)2] (PPB). An interdigital gold electrode was covered by screen printing films of doped PPBT (DPPBT) to prepare a resistance-type humidity sensor, which exhibits electrical response towards relative humidity (RH%) variations in the range 11%-96%. PPBT shows promise as a new humidity-sensitive material.
Soluble Poly (propargyl benzoate) (PPBT) with (-conjugated structure was synthesized using a novel bis (triphenylphosphine) -bisacetylide palladium complex catalyst [Pd (PPh3) 2 (C (CCH2OOCPh) 2] covered by screen printing films of doped PPBT (DPPBT) to prepare a resistance-type humidity sensor, which exhibit electrical response towards relative humidity (RH%) variations in the range 11% -96%. material.