Citation: Hong Mei SUN, Mu Jie YANG, Ming Fang LING. A New Humidity-Sensitive Material Based on PPBT Prepared with Palladium Complex Catalyst[J]. Chinese Chemical Letters, ;2000, 11(12): 1097-1100. shu

A New Humidity-Sensitive Material Based on PPBT Prepared with Palladium Complex Catalyst

1.
Department of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215006;
2.
Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027;
3.
Department of Information and Electronics, Zhejiang University, Hangzhou 310027

Received Date: 31 March 2000

Soluble Poly(propargyl benzoate) (PPBT) with π-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.
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