Spontaneous buckling induced by the adsorption of charged copolymers at the air-water interface

被引:0
|
作者
Fontaine, P
Daillant, J
Guenoun, P
Alba, M
Braslau, A
Mays, JW
Petit, JM
Rieutord, F
机构
[1] CENS, SERV PHYS ETAT CONDENSE, F-91191 GIF SUR YVETTE, FRANCE
[2] UNIV ALABAMA, DEPT CHEM, BIRMINGHAM, AL 35294 USA
[3] CEA GRENOBLE, SERV INTERFACES & MAT MOL & MACROMOL, F-38054 GRENOBLE, FRANCE
来源
JOURNAL DE PHYSIQUE II | 1997年 / 7卷 / 03期
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中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
We present results of the adsorption of charged diblock copolymers at the free interface between air and solution. These copolymers are water soluble and act as surfactants above some concentration. Through thermodynamic and diffuse X-ray surface scattering measurements, we demonstrate the influence of the concentration on the formed adsorbed layer. While sufficiently long copolymers adsorb by forming structures which do not deform the interface, short copolymers are shown to induce buckling of the interface due to interchain interactions.
引用
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页码:401 / 407
页数:7
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