RHEOLOGICAL STUDY OF THE MESOMORPHIC STATE OF DIMOLYBDENUM AND DICOPPER OCTANOATES

被引:8
作者
CHISHOLM, MH [1 ]
MACKLEY, MR [1 ]
MARSHALL, RTJ [1 ]
PUTILINA, EF [1 ]
机构
[1] UNIV CAMBRIDGE,DEPT CHEM ENGN,CAMBRIDGE CB2 3RA,ENGLAND
关键词
D O I
10.1021/cm00058a027
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
The viscoelastic properties of M(2)(octanoate)(4) compounds, where M = Mo and Cu, are reported in their mesophase as a function of temperature dependence, strain sweep (1 rad/s), and frequency sweep (2% strain). The viscoelastic properties of the mesophase are comparable to that of polypropylene having M(w) exceeding 10(5) kg/kmol. The nonlinear response of G', G '', and eta* with increasing strain and the greater values of these parameters for M = Cu relative to M = Mo are correlated with the dynamics of the microstructure of the mesophase.
引用
收藏
页码:1938 / 1941
页数:4
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