Kinetic analysis of the curing of branched phthalonitrile resin based on dynamic differential scanning calorimetry
作者： Jinyan Wang , Xigao Jian , Yuan Zu , Lishuai Zong
DOI: 10.1016/J.POLYMERTESTING.2021.107062
关键词: Chemical engineering 、 Materials science 、 Diffusion 、 Kinetics 、 Autocatalysis 、 Activation energy 、 Curing (chemistry) 、 Phthalonitrile 、 Moiety 、 Differential scanning calorimetry
摘要: Abstract The aim of this work was to systematically investigate the kinetics curing reaction branched phthalonitrile resin containing both flexible moiety and rigid aromatic structure in backbones with 4, 4′-diaminodiphenyl sulfone (DDS) as hardener. Differential scanning calorimetric (DSC) mainly utilized non-isothermal mode at different heating rates. activation energy dependence conversion were calculated discussed based on Starink methods. Results showed that between 5 wt% DDS chemistry diffusion controlled. predicted curves autocatalytic kinetic model fit well DSC data important for predicting behavior other complex system.
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