AGGREGATION OF A SEMIFLUORINATED N-ALKANE IN PERFLUOROOCTANE

被引：0
|
作者：
NOSTRO, PL [1 ]
CHEN, SH [1 ]
机构：
[1] MIT,ELECTR RES LAB,CAMBRIDGE,MA 02139
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 24期
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D O I：
暂无
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 phase behavior of solutions of two semifluorinated n-alkanes, heptadecafluorotetracosane (F(CF2)8(CH2)16H) and pentacosafluorooctacosane (F(CF2)12(CH2)16H), in perfluorooctane and isooctane is studied. Viscosity, dynamic light-scattering, and small-angle neutron-scattering data show the presence of small, nearly spherical aggregates in heptadecafluorotetracosane/perfluorooctane solutions in the liquid phase above the critical micelle concentration. We determined the size and average aggregation number of these aggregates as a function of the fluorohydrocarbon concentration. Small-angle neutron-scattering results show that the perfluorooctane solvent penetrates appreciably into the micellar core.
引用
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页码：6535 / 6540
页数：6
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