Citation: CUI Minhui, GUO Junshi, XIE Hongquan, CHENG Donghua. CONDUCTING BLENDS OF POLY (2-VINYL PYRIDINE) AND POLYETHYLENE OXIDE WITH HIGH MOLECULAR WEIGHT*[J]. Chinese Journal of Polymer Science, ;1997, 15(1): 24-33. shu

CONDUCTING BLENDS OF POLY (2-VINYL PYRIDINE) AND POLYETHYLENE OXIDE WITH HIGH MOLECULAR WEIGHT*

Received Date: 5 May 1995

Ionic, electronic and mixed (ionic-electronic) conductivities of blends of poly(2-vinylpyridine) (P2VP) and poly(ethylene oxide) (PEO) with high molecular weight after dopedwith LiClO4, TCNQ or LiClO4 and TCNQ were investigated. Effects of LiClO4 and TCNQconcentrations on the conductivity of PEO/P2VP/LiClO4 or TCNQ blend were studied.The ionic conductivity of PEO/P2VP/LiClO4 blend increases with increasing PEO content.At a Li/ethylene oxide molar ratio of 0.10 and a TCNQ/2-vinyl pyridine molar ratio of 0.5,the mixed conductivity of PEO/P2VP/LiClO4/TCNQ is higher than the total of ionic conductivity of PEO/P2VP/LiClO4 and electronic conductivity of PEO/P2VP/TCNQ when the weight ratio of PEO and P2VP is 6/4 or 5/5.Scanning electron microscopy (SEM)on the broken cross-section of the PEO/P2VP/LiClO4 blend and differential scanning calorimetry(DSC) results show that LiClO4 could act as a compatibilizer in the blend.
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