INFRARED SPECTROSCOPIC STUDY OF THE PHASES AND PHASE-TRANSITIONS IN POLY(ETHYLENE OXIDE) AND POLY(ETHYLENE OXIDE)-LITHIUM TRIFLUOROMETHANESULFONATE COMPLEXES

被引:173
作者
DISSANAYAKE, MAKL [1 ]
FRECH, R [1 ]
机构
[1] UNIV OKLAHOMA,DEPT CHEM & BIOCHEM,NORMAN,OK 73019
关键词
D O I
10.1021/ma00119a022
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The infrared vibrational spectra of high molecular weight poly(ethylene oxide) and complexes of poly(ethylene oxide) with lithium trifluoromethanesulfonate at two different salt concentrations have been measured from 25 to 150 degrees C. Bands observed in the polymer-salt complexes can be assigned to either the pure crystalline poly(ethylene oxide) phase or a 3:1 polymer-salt compound. The temperature-dependent spectrum is interpreted in terms of the published phase diagram. Cation-anion association is observed at all temperatures. The degree of ionic association in the amorphous region appears to be higher than that observed in the crystalline compound.
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页码:5312 / 5319
页数:8
相关论文
共 37 条
  • [1] POLYMER SOLID ELECTROLYTES - AN OVERVIEW
    ARMAND, M
    [J]. SOLID STATE IONICS, 1983, 9-10 (DEC) : 745 - 754
  • [2] Armand M. B., 1979, Fast Ion Transport in Solids. Electrodes and Electrolytes, P131
  • [3] Armand M. B., 1987, POLYM ELECTROLYTE RE, P1
  • [4] THE EFFECT OF TRACES OF WATER ON PEO4.5LICF3SO3 FILMS
    ARMSTRONG, RD
    CLARKE, MD
    [J]. SOLID STATE IONICS, 1984, 11 (04) : 305 - 306
  • [5] BERSON A, 1993, SOLID STATE IONICS, V60, P37
  • [6] MICROSCOPIC INVESTIGATION OF IONIC-CONDUCTIVITY IN ALKALI-METAL SALTS POLY(ETHYLENE OXIDE) ADDUCTS
    BERTHIER, C
    GORECKI, W
    MINIER, M
    ARMAND, MB
    CHABAGNO, JM
    RIGAUD, P
    [J]. SOLID STATE IONICS, 1983, 11 (01) : 91 - 95
  • [7] BERTHIER C, 1987, POLYM ELECTROLYTE RE, V1, P179
  • [8] STRUCTURES OF 2 CRYSTAL FORMS OF POLY(ETHYLENE OXIDE)-SODIUM THIOCYANATE COMPLEX WITH MOLAR RATIOS OF 3-1 AND 1-1
    CHATANI, Y
    FUJII, Y
    TAKAYANAGI, T
    HONMA, A
    [J]. POLYMER, 1990, 31 (12) : 2238 - 2244
  • [9] ANION-SOLVENT AND ANION-CATION INTERACTIONS IN LITHIUM AND TETRABUTYLAMMONIUM TRIFLUOROMETHANESULFONATE SOLUTIONS
    FRECH, R
    HUANG, WW
    [J]. JOURNAL OF SOLUTION CHEMISTRY, 1994, 23 (04) : 469 - 481
  • [10] CONFORMATIONAL-CHANGES IN DIETHYLENE GLYCOL DIMETHYL ETHER AND POLY(ETHYLENE OXIDE) INDUCED BY LITHIUM ION COMPLEXATION
    FRECH, R
    HUANG, WW
    [J]. MACROMOLECULES, 1995, 28 (04) : 1246 - 1251