INFRARED INVESTIGATION OF THE WATER-STRUCTURE IN PERFLUOROPOLYETHER WATER-SYSTEM

被引：11

作者：

DANGELO, M ^{[1
]}

MARTINI, G ^{[1
]}

ONORI, G ^{[1
]}

RISTORI, S ^{[1
]}

SANTUCCI, A ^{[1
]}

机构：

[1] UNIV PERUGIA,DIPARTIMENTO FIS,I-06100 PERUGIA,ITALY

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1995年 / 99卷 / 04期

关键词：

D O I：

10.1021/j100004a010

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 structure of water in perfluoropolyether (PFPE) ammonium salt/water systems and in PFPE surfactant/PFPE oil/water ternary systems has been studied as a function of the water/PFPE ratio (W) by using the absorption IR due to O-D stretching modes in the 2800-2000 cm(-1) frequency range. The results show that the LR spectra can be expressed as the sum of contributions from interfacial and bulklike water. The relative amounts were evaluated as a function of W in the 3.8-102 range. The data show that a pool of bulklike water develops in these systems as the water amount increases and suggest the simultaneous presence of two water regions with different structural and dynamical properties.

引用

页码：1120 / 1123

页数：4

共 27 条

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