Properties and Performance of Epoxy Resin/Boron Acid Composites
Anna Rudawska1, Mariaenrica Frigione2, Antonella Sarcinella2
1Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland.
Adding boric acid to epoxy resin enhances mechanical properties and improves fire resistance. This study details its effects on composite performance using different curing agents.
Area of Science:
- Materials Science
- Polymer Chemistry
Background:
- Epoxy resins are versatile polymers used in various applications.
- Improving the mechanical properties and flame retardancy of epoxy resins is crucial for advanced material development.
Purpose of the Study:
- To investigate the impact of boric acid addition on the mechanical properties and thermal behavior of epoxy composites.
- To evaluate the effectiveness of boric acid as a flame retardant in epoxy resins.
Main Methods:
- Boric acid (H3BO3) was added in varying amounts (0.5g, 1.0g, 1.5g) to a styrene-modified epoxy resin (Epidian 53).
- Composites were cross-linked using amine (ET) and polyamide (PAC) curing agents.
- Mechanical properties (compressive strength, modulus, strain), glass transition temperature (Tg), and flammability were assessed.
Main Results:
- Boric acid addition influenced the mechanical properties and glass transition temperature of the epoxy composites.
- Flammability tests indicated the effectiveness of boric acid as a flame retardant additive.
Conclusions:
- Boric acid shows potential as an additive to enhance epoxy composite performance.
- The type of curing agent also plays a significant role in the final composite properties.
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