Citation: Moslem Mansour Lakouraj, Ghasem Rahpaima, Ehsan Nazarzadeh Zare. Effect of Functionalized Magnetite Nanoparticles and Diaminoxanthone on the Curing, Thermal Degradation Kinetic and Corrosion Property of Diglycidyl Ether of Bisphenol A-Based Epoxy Resin[J]. Chinese Journal of Polymer Science, ;2014, 32(11): 1489-1499. doi: 10.1007/s10118-014-1535-5 shu

Effect of Functionalized Magnetite Nanoparticles and Diaminoxanthone on the Curing, Thermal Degradation Kinetic and Corrosion Property of Diglycidyl Ether of Bisphenol A-Based Epoxy Resin

1.
Department of Polymer Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran

Corresponding author: Moslem Mansour Lakouraj, lakouraj@umz.ac.ir
Received Date: 9 January 2014
Revised Date: 27 February 2014

To prepare a high-performance epoxy resin with excellent thermal, chemical and corrosion stability, diaminoxanthone (DAX) was used to cure diglycidylether of bisphenol-A (DGEBA)-based epoxy resin and blend of DGEBA with functionalized Fe3O4 nanoparticles. Kinetic parameters of curing and thermal degradation of epoxy resin systems were estimated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), respectively. The 10% weight loss temperature has been increased from 340℃ to 366℃ and there was an increase in the char yield from 32.6% to 45.3% for the above systems. The corrosion performance of epoxy coated carbon steel was examined by potentiodynamic polarization, along with immersion test in 1.0 mol/L HCl solution. The results showed that epoxy resins cured with DAX had low tendency to corrosion. In addition, the cured epoxy resin containing 10% Fe3O4 had higher anticorrosion activity than bare DGEBA system. The results showed that functionalized Fe3O4 nanoparticles enhanced char formation and improved the thermal stability as well as anticorrosion activity of the resin.
- Epoxy resin,
- Diaminoxanthone,
- Nanocomposite,
- Thermal properties,
- Corrosion stability
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沈阳化工大学材料科学与工程学院沈阳 110142