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Epoxy Blends Containing Melamine Phosphate-Based Flame Retardants: Thermal and Flammability Performance
Magdalena Rogulska1, Bogdan Tarasiuk1, Przemysław Rybiński2
1Department of Polymer Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Gliniana St. 33, 20-614 Lublin, Poland.
Materials (Basel, Switzerland)
|July 15, 2026
Summary
Melamine phosphate derivatives significantly enhance flame resistance in epoxy resins. These flame retardants reduce heat release rate, total heat release, and heat release capacity, improving fire safety for advanced engineering applications.
Area of Science:
- Polymer Science
- Materials Science
- Fire Safety Engineering
Background:
- Epoxy resins are crucial in advanced engineering applications like coatings, adhesives, and electronics.
- Improving the flame resistance of epoxy resins is vital for enhanced fire safety and expanded application scope.
Purpose of the Study:
- To develop and evaluate novel flame retardants for epoxy resins.
- To assess the effectiveness of melamine phosphate derivatives and a zinc borate-modified system in reducing epoxy resin flammability.
Main Methods:
- Incorporation of melamine phosphate (MP) derivatives and a zinc borate-modified system (ZnB-MP) into Epidian® 601 epoxy resin.
- Characterization using Fourier transform infrared spectroscopy (FTIR) and thermal analysis (DSC, TG-FTIR).
- Flammability evaluation via pyrolysis combustion flow calorimetry to determine key heat release parameters.
Main Results:
- Melamine phosphate-based flame retardants significantly reduced the flammability of epoxy blends.
- Substantial decreases were observed in heat release rate, total heat release, and heat release capacity.
- The most significant flame retardant effects were achieved with higher MP concentrations and cooperative ZnB-MP formulations.
Conclusions:
- Melamine phosphate derivatives are effective flame retardants for epoxy resins.
- The developed flame retardant systems offer a promising approach to enhance the fire safety of epoxy-based materials.
- Further optimization, particularly with cooperative systems like ZnB-MP, can lead to superior flame retardant performance.
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