Mechanical properties of an epoxy resin toughened by polyester
โ Scribed by Youming Cao; Yuefeng Shao; Jun Sun; Shang'An Lin
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 258 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0021-8995
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Epoxy resins are increasingly finding applications in the field of structural engineering. A wide variety of epoxy resins are available, and some of them are characterized by relatively low toughness. Several approaches to improve epoxy resin toughness include the addition of fillers, rubber particl
This article describes the use of hyperbranched polyester oligomers (HBPs) as modifiers for epoxy thermosets. The effect of HBP molar mass, end group, and loading on prepolymer viscosity, thermoset fracture toughness, T g , and high-temperature dynamic storage modulus (Eะ) were measured. The HBP mol