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Citation: FANG Fen, YAN Hong-Xia, LI Qian, ZHANG Jun-Ping. Reactive Mechanism and Curing Kinetics of BMI/BCE Resin[J]. Chinese Journal of Applied Chemistry, ;2007, 24(3): 291-295. shu

Reactive Mechanism and Curing Kinetics of BMI/BCE Resin

FANG Fen ^a,b ,
YAN Hong-Xia ^a,, ,
LI Qian ^a ,
ZHANG Jun-Ping ^a

1.
a Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi'an 710072;
2.
b Department of Chemistry, Ning xia University, Yinchuan

Corresponding author: YAN Hong-Xia,
Received Date: 10 March 2006
Available Online: 13 October 2006
Fund Project: 陕西省自然科学基金项目(5310119) (5310119)西北工业大学研究生创业种子基金项目(Z200665) (Z200665)

The reaction between the prepolymer of Bismaleimide(BMI) and Cyanate(BCE) was studied with FTIR and DSC. The reaction mechanism of BMI/BCE was discussed. The results showed that there maybe three reactions:self-polymerization of BCE, self-polymerization of BMI, and co-reaction between BCE and BMI. The self-polymerization of BCE dominated the whole system at the first stage and the co-reaction between BCE and BMI domainted at the later stage. A kinetic analysis of BMI/BCE was carried out via differential scanning calorimetry(DSC). Non-isothermal DSC experimental data were obtained, including curing temperature 175.97℃, post-curing temperature 214.05℃ and gel temperature 139.06℃. The activation energy, frequency factor and reaction order were caculated with Kissinger, Crane methods. Their values were 39.27 kJ/mol, 499.12 s^-1 and 0.83, respectively.
- cyanate,
- bismaleimide,
- cure reactive mechanism,
- curing kinetic
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