以铁水脱硫渣做天然橡胶填料制备橡胶材料,研究铁水脱硫渣/炭黑配比、铁水脱硫渣粒径和硫化时间对橡胶材料力学性能的影响.结果表明,铁水脱硫渣/炭黑配比为20∶30时,橡胶材料的力学性能降低幅度较小,实现最大化利用铁水脱硫渣.橡胶材料中铁水脱硫渣粒径过大或过小均会造成其在天然橡胶中的分散性与相容性变差,导致力学性能降低;当硫化时间为30 min,橡胶材料力学性能最优.
The rubber materials were prepared from natural rubber filled with molten iron desulphurization slag.The effects of molten iron desulphurization slag/carbon black ratio, particle size of molten iron desulphurization slag and curing time on the mechanical properties of rubber materials were studied.The results show that the mechanical properties of rubber materials decreas slightly and the maximum utilization of the molten iron desulphurization slag can be achieved when the ratio of molten iron desulphurization slag/carbon black is 20∶30.No matter the particle size of the molten iron desulphurization slag among rubber materials was too large or too small, the dispersion and compatibility of the molten iron desulphurization slag in natural rubber deteriorated, which led the decrease of the mechanical properties.When the curing time was about 30 min, the mechanical properties of the rubber materials were optimal.
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