Water-enhanced Adhesion at Interface in Immiscible Bilayer Film of Polystyrene and Poly(methyl methacrylate)

被引:2
|
作者
Harada, M. [1 ]
Koga, T. [1 ]
Fukumori, K. [1 ]
Sugiyama, J. [1 ]
Geue, T. [2 ]
机构
[1] Toyota Cent Res & Dev Labs Inc, 41-1 Yokomichi, Nagakute, Aichi 4801192, Japan
[2] ETHZ & PSI, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
关键词
D O I
10.1088/1742-6596/502/1/012049
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
From nano-scratch tests, strong interfacial adhesion has been found for polystyrene (PS) and poly(methyl methacrylate) (PMMA) bilayer films prepared by a water floating (WF) method, while a PS layer on a PMMA film produced by a spin coating (SC) method peels off easily at the interface. Neutron reflectivity measurements demonstrated a clear difference in the interfacial width (sigma) between the two bilayers; sigma = 9 nm for the film obtained by the WF method, whereas a = 5 nm for that by the SC method. Plasticization of the films by water would be responsible for broadening of the interface to enhance adhesion strength.
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页数:4
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