Effect of Pressure on Conductivity in Epoxy Resin-Polyethylene Glycal Interpenetrating Polymer Networks Containing Lithium Perchlorate

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (11): 1609.

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Effect of Pressure on Conductivity in Epoxy Resin-Polyethylene Glycal Interpenetrating Polymer Networks Containing Lithium Perchlorate

LI Guang-Yuan¹, WANG Xiao-Yan¹, WANG Xiu-Fang¹, HU Chun-Pu², YING Sheng-Kang²

1. Department of Physics, Institute of Material Science, Shanghai, 200237;
2. East China Universityof Chemical Technology, Shanghai, 200237

Received:1992-12-21 Revised:1993-08-25 Online:1993-11-24 Published:1993-11-24

Abstract

Abstract: Ionic conductivity of epoxy resin-polyethylene glycal (PE0400) interpenetrating polymer networks (IPN) containing lithium perchlorate between 25-70℃ under pressure from 0 to 40 MPa was investigated.The conductivity maximum exists near 4-5 MPa on conductivity versus pressure curve for these amorphous films.Over 5 MPa the conductivity decreased with increasing pressure.The effect of pressure on the activation volume is determined.For pressure dependence of conductivity and activation volume a microscopic explanation was obtained by considering the crystal picture of ionic transport passages according to crystal chemistry.

Key words: PEO-salt complex, Epoxy, Interpenetration networks, Ionic conductivity, Activation volume

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LI Guang-Yuan, WANG Xiao-Yan, WANG Xiu-Fang, HU Chun-Pu, YING Sheng-Kang. Effect of Pressure on Conductivity in Epoxy Resin-Polyethylene Glycal Interpenetrating Polymer Networks Containing Lithium Perchlorate[J]. Chem. J. Chinese Universities, 1993, 14(11): 1609.

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Effect of Pressure on Conductivity in Epoxy Resin-Polyethylene Glycal Interpenetrating Polymer Networks Containing Lithium Perchlorate

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