Glass transition measurements on heterogeneous surfaces

被引:16
作者
Dinelli, F [1 ]
Buenviaje, C [1 ]
Overney, RM [1 ]
机构
[1] Univ Washington, Dept Chem Engn, Seattle, WA 98195 USA
关键词
atomic force microscopy (AFM); scanning force microscopy (SFM); glass transition temperature (T-g); polymers; surface analysis; calorimetry; tribology; nanorheology; blends; emulsions;
D O I
10.1016/S0040-6090(01)01190-7
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The local glass transition temperature (T-g) of heterogeneous polymer surfaces has been successfully determined by lateral force microscopy (LFM) on the submicron-nanometer scale. This paper addresses interfacial confinement effects in thin films of blends and emulsions from polystyrene (PS), poly(butylmethacrylate) (PBMA) and poly(methylmethacrylate) (PMMA). The paper addresses the difficulty of thermal rheological experiments with a microscopic scanning technique, and introduces an in-situ calibration method. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:138 / 144
页数:7
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