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 |
| State | Published - 1996 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Materials Chemistry
- Polymers and Plastics
Cite this
Conductivities of poly(ethylene oxide) and poly(2-vinyl pyridine) blend. / Cui, Min-Hui; Cheng, Dong Hua; Guo, Jun She; Xie, Hong Quan.
In: Journal of Macromolecular Science - Pure and Applied Chemistry, Vol. 33, No. 3, 1996, p. 247-259.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Conductivities of poly(ethylene oxide) and poly(2-vinyl pyridine) blend
AU - Cui, Min-Hui
AU - Cheng, Dong Hua
AU - Guo, Jun She
AU - Xie, Hong Quan
PY - 1996
Y1 - 1996
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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M3 - Article
VL - 33
SP - 247
EP - 259
JO - Journal of Macromolecular Science - Pure and Applied Chemistry
JF - Journal of Macromolecular Science - Pure and Applied Chemistry
SN - 1060-1325
IS - 3
ER -