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has been cited by the following article:

• TITLE: Study on the Effect of Carboxyl Terminated Butadiene Acrylonitrile (CTBN) Copolymer Concentration on the Decomposition Kinetics Parameters of Blends of Glycidyl Epoxy and Non-Glycidyl Epoxy Resin

  AUTHORS: Garima Tripathi, Deepak Srivastava

  KEYWORDS: Diglycidyl Ether of Bis-Phenol-A, Cycloaliphatic Epoxy Resin, Carboxyl Terminated Butadiene Acrylonotrile (CTBN) Copolymer, Thermogravimetric Analysis (TGA), Degradation Kinetics

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.1 No.3, September 28, 2011

  ABSTRACT: The degradation of the epoxy system was studied for the prepared six blend samples with the incorporation of 0 wt% - 25 wt% carboxyl terminated butadiene acrylonitrile (CTBN) copolymer, on a dynamic basis using Thermo gravimetric analysis (TGA) technique under a nitrogen atmosphere. The blends were prepared by physical mixing and were cured with diamine. The degradation of each sample followed second-order degradation kinetics, which was calculated by Coats-Redfern equation using best-fit analysis. This was further confirmed by linear regression analysis. The validity of data was checked by t-test statistical analysis. From this value of reaction order, activation energy (E), and pre-exponential factor (Z) were calculated. It was found that the activation energy increased with the addition of liquid elastomer.