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Type: Artigo de periódico
Title: Macrocrystal swelling: AFM in situ observation of particle and film deformation and motion
Author: Galembeck, A
Costa, CAR
da Silva, MDVM
Galembeck, F
Abstract: The surface of a poly(styrene-hydroxyethylmethacrylate), macrocrystalline film was observed by atomic force microscopy in the contact mode, before and during film immersion in water. The swelling effect on film morphology is strongly dependent on the quality of the macrocrystalline surface: film integrity is preserved or concerted many-particle displacement is observed in well-organized areas with few defects, but extensive particle displacement is observed in highly defective areas. The lateral particle dimensions increase by ca. 10-15% only and particle aspect ratio is unaltered in the highly crystalline areas. However, him roughness is greatly decreased, and hat mirror-like surface domains are obtained due to the concerted effects of particle swelling and latex-water interfacial tension. (C) 2001 Academic Press.
Subject: film deformation
swelling of latex macrocrystal
AFM imaging
immersed film imaging
in situ AFM
Country: EUA
Editor: Academic Press Inc
Rights: fechado
Identifier DOI: 10.1006/jcis.2000.7291
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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