Adaptation of bulk constitutive equations to insoluble monolayer collapse at the air-water interface

被引:33
|
作者
Kampf, JP
Frank, CW [1 ]
Malmström, EE
Hawker, CJ
机构
[1] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA
[2] IBM Corp, Almaden Res Ctr, San Jose, CA 95120 USA
关键词
D O I
10.1126/science.283.5408.1730
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A constitutive equation based on stress-strain models of bulk solids was adapted to relate the surface pressure, compression rate, and temperature of an insoluble monolayer of monodendrons during collapse at the air-water interface. power Law relation between compression rate and surface pressure and an Arrhenius temperature dependence of the steady-state creep rate were observed in data from compression rate and creep experiments in the collapse region. These relations were combined into a single constitutive equation to calculate the temperature dependence of the collapse pressure with a maximum error of 5 percent for temperatures ranging from 10 degrees to 25 degrees C.
引用
收藏
页码:1730 / 1733
页数:4
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