Conductivities of poly(ethylene oxide) and poly(2-vinyl pyridine) blend

Min Hui Cui; Dong Hua Cheng; Jun She Guo; Hong Quan Xie

doi:10.1080/10601329608014318

Conductivities of poly(ethylene oxide) and poly(2-vinyl pyridine) blend

Min Hui Cui, Dong Hua Cheng, Jun She Guo, Hong Quan Xie

Research output: Contribution to journal › Article

3 Scopus citations

Abstract

Poly(ethylene oxide) (MW 20,000) and poly(2-vinyl pyridine) (MW 35,000) were blended with LiClO₄ or KSCN through a solution blending process. When the molar ratio of ethylene oxide/Li or K is 10, the blend of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) with LiClO₄ or KSCN is a transparent elastomer. The ionic conductivities of these blends are 1.5 × 10^-5 and 8.8 × 10^-5 S/cm at 25°C, respectively. At 30°C the poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends with KSCN at an ethylene oxide/K molar ratio of 10 exhibit an ionic conductivity value of 1.5 × 10^-4 S/cm, a high value for ionic conductive polymers. At an ethylene oxide/Li molar ratio of 15 and a 2-vinyl pyridine/TCNQ molar ratio of 2, the mixed (ionic-electronic) conductivities of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends are higher than either ionic or electronic conductivities. When the molar ratio of ethylene oxide/Li and 2-vinyl pyridine/TCNQ are 10 and 2, respectively, the mixed (ionic-electronic) conductivities are intermediate between the ionic and electronic conductivities. Differential scanning calorimetry (DSC) shows that LiClO₄ and TCNQ can compatibilize with the PEO/P2VP blend.

Original language	English (US)
Pages (from-to)	247-259
Number of pages	13
Journal	Journal of Macromolecular Science - Pure and Applied Chemistry
Volume	33
Issue number	3
DOIs	https://doi.org/10.1080/10601329608014318
State	Published - Jan 1 1996
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Polymers and Plastics
Materials Chemistry

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10.1080/10601329608014318

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Cui, M. H., Cheng, D. H., Guo, J. S., & Xie, H. Q. (1996). Conductivities of poly(ethylene oxide) and poly(2-vinyl pyridine) blend. Journal of Macromolecular Science - Pure and Applied Chemistry, 33(3), 247-259. https://doi.org/10.1080/10601329608014318

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abstract = "Poly(ethylene oxide) (MW 20,000) and poly(2-vinyl pyridine) (MW 35,000) were blended with LiClO4 or KSCN through a solution blending process. When the molar ratio of ethylene oxide/Li or K is 10, the blend of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) with LiClO4 or KSCN is a transparent elastomer. The ionic conductivities of these blends are 1.5 × 10-5 and 8.8 × 10-5 S/cm at 25°C, respectively. At 30°C the poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends with KSCN at an ethylene oxide/K molar ratio of 10 exhibit an ionic conductivity value of 1.5 × 10-4 S/cm, a high value for ionic conductive polymers. At an ethylene oxide/Li molar ratio of 15 and a 2-vinyl pyridine/TCNQ molar ratio of 2, the mixed (ionic-electronic) conductivities of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends are higher than either ionic or electronic conductivities. When the molar ratio of ethylene oxide/Li and 2-vinyl pyridine/TCNQ are 10 and 2, respectively, the mixed (ionic-electronic) conductivities are intermediate between the ionic and electronic conductivities. Differential scanning calorimetry (DSC) shows that LiClO4 and TCNQ can compatibilize with the PEO/P2VP blend.",

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N2 - Poly(ethylene oxide) (MW 20,000) and poly(2-vinyl pyridine) (MW 35,000) were blended with LiClO4 or KSCN through a solution blending process. When the molar ratio of ethylene oxide/Li or K is 10, the blend of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) with LiClO4 or KSCN is a transparent elastomer. The ionic conductivities of these blends are 1.5 × 10-5 and 8.8 × 10-5 S/cm at 25°C, respectively. At 30°C the poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends with KSCN at an ethylene oxide/K molar ratio of 10 exhibit an ionic conductivity value of 1.5 × 10-4 S/cm, a high value for ionic conductive polymers. At an ethylene oxide/Li molar ratio of 15 and a 2-vinyl pyridine/TCNQ molar ratio of 2, the mixed (ionic-electronic) conductivities of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends are higher than either ionic or electronic conductivities. When the molar ratio of ethylene oxide/Li and 2-vinyl pyridine/TCNQ are 10 and 2, respectively, the mixed (ionic-electronic) conductivities are intermediate between the ionic and electronic conductivities. Differential scanning calorimetry (DSC) shows that LiClO4 and TCNQ can compatibilize with the PEO/P2VP blend.

AB - Poly(ethylene oxide) (MW 20,000) and poly(2-vinyl pyridine) (MW 35,000) were blended with LiClO4 or KSCN through a solution blending process. When the molar ratio of ethylene oxide/Li or K is 10, the blend of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) with LiClO4 or KSCN is a transparent elastomer. The ionic conductivities of these blends are 1.5 × 10-5 and 8.8 × 10-5 S/cm at 25°C, respectively. At 30°C the poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends with KSCN at an ethylene oxide/K molar ratio of 10 exhibit an ionic conductivity value of 1.5 × 10-4 S/cm, a high value for ionic conductive polymers. At an ethylene oxide/Li molar ratio of 15 and a 2-vinyl pyridine/TCNQ molar ratio of 2, the mixed (ionic-electronic) conductivities of poly(ethylene oxide)(80 wt%)/poly(2-vinyl pyridine)(20 wt%) blends are higher than either ionic or electronic conductivities. When the molar ratio of ethylene oxide/Li and 2-vinyl pyridine/TCNQ are 10 and 2, respectively, the mixed (ionic-electronic) conductivities are intermediate between the ionic and electronic conductivities. Differential scanning calorimetry (DSC) shows that LiClO4 and TCNQ can compatibilize with the PEO/P2VP blend.

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