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Schematics of the formation of modified epoxy system using HBPs; Impact strength, flexural strength and flexural modulus of pure epoxy, linear polyol base epoxy and modified epoxy samples having different generations of HBPs (HBP-G1 to HBP-G4); SEM images of pure epoxy, linear polyol base epoxy and modified epoxy samples having different generations of HBPs; Reprinted with permission from ref. [13], Copyright [2013], Elsevier.
