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Dewetting Process of Polyelectrolyte Multilayer Films in Hot Water
Author(s) -
Qin Sheng,
Wei Dongshan,
Liao Qi,
Jin Xigao
Publication year - 2006
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.200500620
Subject(s) - dewetting , polyelectrolyte , materials science , desorption , immersion (mathematics) , atomic force microscopy , polymer , morphology (biology) , chemical engineering , wetting , composite material , nanotechnology , chemistry , adsorption , mathematics , organic chemistry , biology , pure mathematics , engineering , genetics
Summary: We analyzed quantitatively the effects of temperature on the morphologic evolution of the desorption process in hot water measured ex situ by atomic force microscopy. The morphology of the hole that forms with immersion of the polyelectrolyte film in hot water has characteristics similar to those from polymer dewetting processes near the glass transition temperature. The hole diameter immediately reaches a maximum in the desorption process while the number of holes increases linearly with time.AFM images of the morphology of PEM film after immersion in hot water 60 min.
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