Glass transition measurements on heterogeneous surfaces

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...

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Bibliographic Details
Published in:Thin solid films 2001-09, Vol.396 (1), p.138-145
Main Authors: Dinelli, Franco, Buenviaje, Cynthia, Overney, René M
Format: Article
Language:English
Subjects:
Applied sciences
Atomic force microscopy (AFM)
Blends
Calorimetry
Emulsions
Exact sciences and technology
Glass transition temperature ( Tg)
Nanorheology
Organic polymers
Physicochemistry of polymers
Polymers
Properties and characterization
Scanning force microscopy (SFM)
Surface analysis
Surface properties
Tribology
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Summary: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.
ISSN:0040-6090
1879-2731
DOI:10.1016/S0040-6090(01)01190-7