Abstract
A broad range of technologies have been based on epoxy adhesives. To expand the direction of applications, reinforcement strategies have been used with additive and formulation by controlling phase separation behavior. The additives can be classified as liquid rubber, nanomaterials, and block copolymer to improve the properties of thermoset. Epoxy resin modified by block copolymer has gained significant interest as their combination could make nanostructured thermoset through self-assembly, or reaction-induced microphase separation. With different chain length of blocks, epoxy resin behaves like a solvent for one of the blocks and second block formed different types of nanostructures including worm-like, vesicular, spherical, and lamella. This nanomorphology greatly affects the thermo-mechanical properties of thermosets. In addition to block copolymer, nanomaterials are also widely used for the reinforcement of epoxy thermosets. In this regard, carbon nanotubes (CNTs) were approved prominent material to enhance thermo-mechanical properties and dielectric properties of epoxy thermosets. In this chapter, we collect the available data about the modification of epoxy thermosets by block copolymer and CNTs through the formation of nanostructures via different mechanisms and appraise different properties depending on nanodomains.
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