《Table 1 Mechanical properties of XNBR/GO nanocomposites》

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《氧化石墨烯的氧化程度对羧基丁腈橡胶纳米复合材料力学性能的影响（英文）》

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The typical stress-strain behavior of XNBR/GO nanocomposites were illustrated in Figare 1.And the mechanical properties of XNBR/GO nanocomposites were summarized in Table 1.Tensile strength，modulus at 100%（M100），modulus at 300%（M300），and tear strength of XNBR/GO nanocomposites increased with increasing oxidation degree of GO.When the mass ratio of KMn O4/graphite was3.0，XNBR/GO nanocomposites achieved optimum performance，and the tensile strength，M100，M300and tear strength increased by114.6%，111.2%，269.3%and 88.5%respectively，in contrast to those of XNBR.The different reinforcing effects of GOx were related to the interfacial interaction between the nanofiller and the matrix.GO with higher oxidation degrees contained more polar groups，which endowed stronger hydrogen bonding between the carboxyl groups in XNBR and the polar groups on the sheet of GO，resulting in more effective load transfer from XNBR to the GO sheets[3].However，when adding too much KMn O4，the GO sheets would break into small pieces with lower size and specific surface area[4]，thus the interfacial interaction would be weaken.