INFLUENCE OF CRYPTANDS AND CROWN ETHERS ON ION-TRANSPORT AND VIBRATIONAL-SPECTRA OF POLYMER-SALT COMPLEXES

被引:20
作者
DOAN, KE [1 ]
HEYEN, BJ [1 ]
RATNER, MA [1 ]
SHRIVER, DF [1 ]
机构
[1] NORTHWESTERN UNIV MAT RES CTR,EVANSTON,IL 60208
关键词
D O I
10.1021/cm00011a015
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Complex impedance data demonstrate that addition of 2.2.2-cryptand increases the conductivity of NaSO3CH3 in amorphous poly(ethylene oxide) (aPEO) but decreases that of NaSO3CF3 in aPEO. Vibrational spectroscopic and X-ray diffraction measurements indicate that the influence of 2.2.2-cryptand is to dissolve crystallites of NaSO3CH3 into the polymer phase. The decrease in conductivity for NaSO3CF3-aPEO upon addition of 2.2.2-cryptand correlates with the precipitation of a crystalline phase, presumably [Na:2.2.2][SO3CF3]. © 1990, American Chemical Society. All rights reserved.
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收藏
页码:539 / 545
页数:7
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