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Citation: Gao Jun-Gang, Li Yan-Fang. Kinetics of Succinic Anhydride Curing of Bisphenol-S Epoxy Resin[J]. Acta Physico-Chimica Sinica, ;2000, 16(05): 405-409. doi: 10.3866/PKU.WHXB20000506 shu

Kinetics of Succinic Anhydride Curing of Bisphenol-S Epoxy Resin

1.
Department of Chemistry,Hebei University,Baoding

Received Date: 18 August 1999
Available Online: 15 May 2000

The kinetics of the cure reaction for a system of bisphenol-S epoxy resin (BPSER),with succinic anhydride as a curing agent, was studied by means of differential scanning calorimetry(DSC).Analysis of DSC data indicated that in the first stage of the cure, the controlling reaction is of the autocatalytic nature. By using the model proposed by Kamal, two rate constants, k 1 and k 2,and two reaction orders, m and n were obtained. Rate constants k 1 and k 2 were observed to be greater when curing temperature increased. The overall reaction order, m+n, is in the range 2～2.5.The activation energies for k 1 and k 2 were 96.47 kJ•mol -1 and 79.63 kJ•mol -1 , respectively. Diffusion control was incorporated to describe the cure in the latter stages.
- Bisphenol-S epoxy resin,
- Succinic anhydride,
- Cure reaction,
- Kinetics,
- Differential scanning calorimetry
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