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A rheological study on kinetics of poly(butylene terephthalate) melt intercalation
Author(s) -
Wu Defeng,
Zhou Chixing,
Zheng Hong
Publication year - 2005
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.22571
Subject(s) - intercalation (chemistry) , rheology , materials science , kinetics , viscoelasticity , polymer , annealing (glass) , activation energy , silicate , chemical engineering , polymer chemistry , composite material , polar , chemistry , organic chemistry , physics , quantum mechanics , astronomy , engineering
A multilayered sample with alternatively superposed poly(butylene terephthalate) (PBT) and nonpolar polymer/clay sheets was elaborately prepared to investigate the whole hybridization process of polar polymer. The kinetics of PBT melt intercalation was studied by a rheological approach. The whole intercalation process was demonstrated by the changes of the low‐frequencies viscoelastic response with annealing time. The results of the apparent diffusivities and the calculated activation energy indicate that the PBT/clay hybrid formation presents a molecular weight dependence, which may result from the enhancement of interactions between polar groups on PBT chains and the silicate surface. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 99: 1865–1871, 2006