| Customization: | Available |
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| CAS No.: | 25068-38-6 |
| Formula: | C21h25o4 |
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Epoxy Polyester resin is a versatile thermosetting polymer that combines the benefits of both epoxy resins and polyester resins. Typically, epoxy polyester resins are produced by incorporating polyester into epoxy resin, which enhances the properties of both components. Epoxy resins are known for their excellent adhesion, chemical resistance, and high mechanical strength, while polyesters improve flexibility and impact resistance
| Property | Description |
| Polymer type | Thermosetting |
| Tensile strength | 60-90 MPa |
| Hardness | 80-90 Shore D |
| Viscosity | 300-5000 cP |
| Water resistance | Excellent |
Mechanical Strength: Epoxy polyester resins exhibit excellent mechanical properties. For example, adding polyester enhances the impact strength significantly compared to pure epoxy, which can increase impact strength by over 250% and fracture strength by 127% when modified appropriately (Luo et al., 2011).
Thermal Stability: The thermal stability of epoxy polyester blends is enhanced by polyester. For instance, blends with polyester show improved thermal conductivity, specific heat capacity, and a slight reduction in glass transition temperature. The decomposition temperature of these resins can improve by about 20°C with the proper addition of polyester (Ali et al., 2021).
Processing Ease: One of the significant advantages of epoxy polyester resins is their ability to be processed easily at ambient temperature with a low viscosity and easy molding properties, making them suitable for diverse applications in coating and composite materials.
Environmental Resistance: These resins show excellent resistance to water, chemical corrosion, and UV degradation, making them ideal for use in harsh environments. The blend of polyester in epoxy helps improve chemical resistance, a feature critical for applications like automotive and construction materials (Torrón et al., 2016).
Adhesion: Epoxy resins provide superior adhesion to various substrates, including metals, plastics, and glass, while polyester increases the resin's ability to adhere to fibrous materials (Oliveira et al., 2019).
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