A NEW METHOD FOR OBTAINING POLYPARAPHENYLENE FILMS BY ELECTROCHEMICAL OXIDATION OF (BENZENE-SBF5) PI-COMPLEXES IN SO2 MEDIUM

被引:66
作者
AEIYACH, S [1 ]
SOUBIRAN, P [1 ]
LACAZE, PC [1 ]
FROYER, G [1 ]
PELOUS, Y [1 ]
机构
[1] CTR NATL ETUD TELECOMMUN,OCM TEP LAB,F-22301 LANNION,FRANCE
关键词
Benzene--Oxidation; -; Electrochemistry;
D O I
10.1016/0379-6779(89)90833-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new method for preparing polyparaphenylene films by electrochemical oxidation of benzene in SbF5-SO2 medium is described. It is shown that formation of a π-complex between SbF5 and benzene lowers the benzene oxidation potential by about 0.8 V. The polymer chains, analysed by i.r. spectroscopy, show very good linearity and the degree of polymerization ranges from 15 to 30 for t = -75°C and t = -30°C, respectively. In contrast, no significant variations were observed in the u.v. spectra, which in all cases are characterized by an absorption band at about 3.5 eV. n-Doping of these films was carried out in (Bu)4NBF4-THF and was homogeneous when the film was about 1 μm thick.
引用
收藏
页码:103 / 112
页数:10
相关论文
共 23 条
[2]   MEDIUM EFFECT ON THE ANODIC FABRICATION OF POLY-(PARA-PHENYLENE) FILMS ON PLATINUM-ELECTRODES [J].
AEIYACH, S ;
DUBOIS, JE ;
LACAZE, PC .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1986, (22) :1668-1669
[3]  
AEIYACH S, 1988, POLYM COMMUN, P130
[4]   THE ELECTROCHEMISTRY OF HYDROCARBONS IN HF/SBF5 - SOME MECHANISTIC CONCLUSIONS CONCERNING THE SUPER ACID-CATALYZED CONDENSATION OF HYDROCARBONS [J].
BRILMYER, G ;
JASINSKI, R .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1982, 129 (09) :1950-1954
[5]   ELECTROCHEMICAL OXIDATION OF BENZENE AND BIPHENYL IN LIQUID SULFUR-DIOXIDE - FORMATION OF CONDUCTIVE DEPOSITS [J].
DELAMAR, M ;
LACAZE, PC ;
DUMOUSSEAU, JY ;
DUBOIS, JE .
ELECTROCHIMICA ACTA, 1982, 27 (01) :61-65
[6]  
FAUVARQUE JF, 1985, MAKROMOL CHEM, V186, P2415
[7]  
FAUVARQUE JF, 1983, MAKROMOL CHEM-RAPID, V4, P455
[8]  
FAUVARQUE JF, 1987, MAKROMOL CHEM, V188, P1833
[9]   ELECTROCHEMICAL POLYMERIZATION OF BENZENE IN THE PRESENCE OF ALUMINUM-CHLORIDE [J].
KAERIYAMA, K ;
SATO, M ;
SOMENO, K ;
TANAKA, S .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1984, (18) :1199-1200
[10]   REACTION OF FERRIC CHLORIDE WITH BENZENE [J].
KOVACIC, P ;
WU, C .
JOURNAL OF POLYMER SCIENCE, 1960, 47 (0149) :45-54