A NEW SMECTIC MESOPHASE WITH 2-DIMENSIONAL TETRAGONAL SYMMETRY FROM DIALKYLDIMETHYLAMMONIUM BROMIDES-ST

被引:79
作者
ALAMI, E
LEVY, H
ZANA, R
WEBER, P
SKOULIOS, A
机构
[1] ULP,EHICS,ICS,CNRS,INST PHYS & CHIM MAT STRASBOURG,MAT ORGAN GRP,UM 380046,6 RUE BOUSSINGAULT,F-67083 STRASBOURG,FRANCE
[2] ULP,CNRS,INST CHARLES SADRON,EAHP,CRM,F-67083 STRASBOURG,FRANCE
[3] CNRS,CDR NOUVEAUX MAT TENSIOACTITS,F-67083 STRASBOURG,FRANCE
关键词
D O I
10.1080/02678299308026294
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A series of N,N-di-n-alkyl-N,N-dimethylammonium bromides was synthesized and characterized. Its thermotropic liquid-crystalline behaviour was studied by differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction. A novel smectic mesophase was thus identified, in which the lateral packing of the molecules within the layers is ordered and tetragonal in symmetry.
引用
收藏
页码:201 / 212
页数:12
相关论文
共 13 条
  • [1] Ashcroft N.D.M., 1976, SOLID STATE PHYS
  • [2] X-RAY-DIFFRACTION AND POLYMORPHISM OF SMECTIC LIQUID-CRYSTALS .2. D AND E MODIFICATIONS
    DIELE, S
    SACKMANN, H
    BRAND, P
    [J]. MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1972, 17 (02): : 163 - &
  • [3] VOLUME AND X-RAY-DIFFRACTION STUDY OF TEREPHTHAL-BIS-4,N-DECYLANILINE (TBDA)
    GUILLON, D
    SKOULIOS, A
    BENATTAR, JJ
    [J]. JOURNAL DE PHYSIQUE, 1986, 47 (01): : 133 - 138
  • [4] Henry N.F.M., 1952, INT TABLES XRAY CRYS, V1
  • [5] NEW LYOTROPIC NEMATICS OF DOUBLE CHAIN SURFACTANTS
    HERTEL, G
    HOFFMANN, H
    [J]. LIQUID CRYSTALS, 1989, 5 (06) : 1883 - 1898
  • [6] HERTEL G, 1988, PROG COLLOID POLYM S, V76, P123, DOI DOI 10.1007/BFB0114182
  • [7] Israelachvili J.N., 1985, INTERMOLECULAR SURFA
  • [8] Kitaigorodskii A.I., 1973, MOL CRYSTALS MOL
  • [9] 2 NEW MESOPHASES IN A CHIRAL COMPOUND
    LEVELUT, AM
    GERMAIN, C
    KELLER, P
    LIEBERT, L
    BILLARD, J
    [J]. JOURNAL DE PHYSIQUE, 1983, 44 (05): : 623 - 629
  • [10] FLUORESCENCE PROBE STUDY OF THE EFFECT OF CONCENTRATION ON THE STATE OF AGGREGATION OF DODECYLALKYLDIMETHYLAMMONIUM BROMIDES AND DIALKYLDIMETHYLAMMONIUM CHLORIDES IN AQUEOUS-SOLUTION
    LIANOS, P
    LANG, J
    ZANA, R
    [J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1983, 91 (01) : 276 - 279