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Polymerization kinetics and thermal properties of dicyanate/clay nanocomposites
Author(s) -
Kim Dae Su,
Lee Kyung Min
Publication year - 2004
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.20224
Subject(s) - nanocomposite , differential scanning calorimetry , materials science , polymerization , thermogravimetric analysis , kinetics , thermosetting polymer , polymer chemistry , curing (chemistry) , thermal stability , thermal decomposition , polymer clay , glass transition , composite material , chemical engineering , polymer , chemistry , organic chemistry , thermodynamics , physics , quantum mechanics , engineering
The polymerization kinetics and thermal properties of dicyanate/clay nanocomposites were investigated. A type of organically modified clay was used as nanometer‐size fillers for the thermosetting dicyanate resin. Differential scanning calorimetry (DSC) was used to study the curing behavior of the dicyanate/clay nanocomposite systems. The polymerization rate of the nanocomposite systems increased with increasing clay content. An autocatalytic reaction mechanism could adequately describe the polymerization kinetics of the dicyanate/clay nanocomposite systems. The polymerization kinetic parameters were determined by fitting the DSC conversion data to the proposed kinetic equation. The glass‐transition temperature of the dicyanate/clay nanocomposites increased with increasing clay content. The thermal decomposition behavior of the dicyanate/clay nanocomposites was investigated by thermogravimetric analysis. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 92: 1955–1960, 2004
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