2006•Chinese Polymer BulletinRequires access
Curing Reaction Kinetic of Dendritic Polymer/Epoxy Resin System
Yan Wang, Xiansheng Wang, Haisheng Chen
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Abstract
The reaction process of PAMAM/DGEBA curing system was carefully analyzed by DSC.The apparent activation energy(ΔE) was 59.78kJ/mol,which was calculated by Kissinger method.The reaction order n=0.91,which was calculated by Crane method.Reaction rate constants k and frequency factor A in various temperature were also calculated according to Crane method.The curing technique were determined by DSC analysis,the suitable curing temperature was 80～90℃ and the post-curing temperature was 140℃.