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Journal of Materials Science

, Volume 29, Issue 3, pp 721–727 | Cite as

Chemorheology of epoxy resin Part I epoxy resin cured with tertiary amine

  • K. C. Cheng
  • W. Y. Chiu
  • K. H. Hsieh
  • C. C. M. Ma
Papers

Abstract

Epoxy resin was cured with a tertiary amine. The viscosity and dynamic mechanical properties during the curing reaction were measured by a cone-and-plate rheometer. A dual Arrhenius viscosity model was modified to predict the viscosity profile before gelation during the non-isothermal curing. The viscosity profile coincided with the experimental data. The activation energy of this system calculated using the modified model was 19.8 kcal mol−1 for the first region, and 17.3 kcal mol−1 for the second region. After gelation, the dynamic complex modulus was related to the reaction kinetics according to the rubber elasticity theory, and the activation energy was 15.3 kcal mol−1. Furthermore, the gelling point can be estimated from the rheological measurements.

Keywords

Viscosity Activation Energy Epoxy Rubber Reaction Kinetic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • K. C. Cheng
    • 1
  • W. Y. Chiu
    • 1
  • K. H. Hsieh
    • 1
  • C. C. M. Ma
    • 2
  1. 1.Department of Chemical EngineeringNational Taiwan UniversityTaipei, TaiwanRepublic of Korea
  2. 2.Department of Chemical EngineeringNational Tsing Hua UniversityHsinchu, TaiwanRepublic of Korea

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