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In this work, a series of composites with enhanced tensile strength and fracture strain were obtained via the crosslinking between modified graphene oxide (MGO) and hydroxyl terminated polybutadiene (HTPB) chain. The preparation, characterization and physical mechanics properties of the prepared composites have been displayed detailedly. As a result, the tensile strength of composite containing 0.1wt% of MGO (PUM-0.1) increased by 57.8%. Impressively, the fracture strain of PUM-0.1 composite was 1292.6%, which is higher than that of polyurethane without MGO. Moreover, the resistance capability to deformation of the composites has also been enhanced significantly.

Enhanced physical mechanics properties of hydroxyl-terminated polybutadiene based polyurethane crosslinking with modified graphene oxide