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Citation: XU Wei-Bing, BAO Su-Ping, NIE Kang-Ming, HE Ping-Sheng. Study on Diethylenetriamine Cured Epoxy Resin/Montmorillonite Nanocomposite[J]. Chinese Journal of Applied Chemistry, ;2001, 18(6): 469-472. shu

Study on Diethylenetriamine Cured Epoxy Resin/Montmorillonite Nanocomposite

1.
a Department of Polymer Science and Engineering,University of Science and Technology of China, Hefei 230026;
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b College of Chemical Engineering, Hefei University of Technology, Hefei;
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c College of Chemical Engineering, Anhui University, Hefei

Received Date: 18 July 2000
Available Online: 12 March 2001
Fund Project: 安徽省自然科学基金资助项目(99046317) (99046317)

The organophilic montmorillonites with increased interlayer spacings were prepared from hydrophilic clay by cation exchange with trimethylcetyl ammonium bromide. The epoxy resin/diethylenetriamine/montmorillonite nanocomposites were prepared by casting and curing processes and the intercalation behavior of epoxy resin in the organophilic montmorillonite was investigated by XRD and DMTA methods. It is found that the nanocomposites obtained were intercalated upon curing with diethylenetriamine and the intercalation was independent of the curing conditions. The glass transition temperature from DMTA analysis revealed the glass transition temperature of the extragallery cured epoxy resin and was in relation to the curing temperatures. Addition of organophilic montmorillonite led to the disappearance of the T' peak of loss tangent of the nanocomposites.
- montmorillonite,
- epoxy resin,
- diethylenetriamine,
- intercalation,
- glass transition temperature
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