Toughening by nanostructure
By L. Ruiz-Pérez, Gareth Royston, J. Patrick A. Fairclough, Anthony J. Ryan. 2008
276 citations recorded by the source corpus.
Block copolymer modified epoxy resins have generated significant interest since it was demonstrated that the combination could lead to nanostructured thermosets through self-assembly. Over moderate to high polymer concentration the system behaves as expected for a block copolymer in a solvent selective for one block. Two types of copolymers have been studied: non-reactive and reactive modifiers. Morphologies such as copolymer vesicle and spherical/wormlike micelles can be formed under the appropriate conditions. The enhancement of the modified thermosets' mechanical properties depends on the morphology adopted by the polymers. Besides improving mechanical properties, the morphology was found to also have an effect on the glass transition in the studied systems. In this review we collect the available data on the block copolymers used to fabricate nanostructured epoxy resins and critically appraise the properties reported.
Subfields: Mechanical Engineering, Organic Chemistry, Polymers and Plastics
View Paper: https://www.semanticscholar.org/paper/677a45cbe26fb817869748edea56bf0e1fb7f379
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In Polymers and Plastics
Citations in the corpus
- Multifunctionality in Epoxy Resins (2019, background): “suggested that reactive vesicles whereby the blocks are chemically bonded to the matrix provide better toughness than non-reactive ones.(53) To improve the toughness of epoxy thermosets, He et al.”
- Improving the fracture toughness and the strength of epoxy using nanomaterials--a review of the current status. (2015, background): “194,195 Dispersion processes for nanosilica have been studied by numerous researchers and have achieved homogeneity in most cases.”