【摘要】 制备了一种新型改性纳米碳酸钙M -CaCO3,采用FTIR、TGA和SEM对MCaCO3的结构形态进行了研究 ;同时探讨了其与天然橡胶 (NR)形成的纳米复合材料(NR/M -CaCO3)硫化胶的结构、形态和力学性能 ,并分别与硬脂酸包覆型工业纳米碳酸钙 (CCR)及其与天然橡胶形成的纳米复合材料 (NR/CCR)硫化胶进行比较 ,结果表明 ,M -CaCO3对NR具有显著的补强作用 ,其补强效果远优于CCR .更多还原

【Abstract】 A novel kind of modified nano-calcium carbonate （M-CaCO₃） was prepared. The structure and morphology of M-CaCO₃ were investigated by FTIR,TGA and SEM. The morphology and mechanical properties of the vulcanizates of NR/M-CaCO₃ nanocomposite were also investigated. The investigation results of M-CaCO₃ and NR/M-CaCO₃ were then respectively compared with those of CCR （industrial nano-CaCO₃ covered with stearic acid） and NR/CCR. It is found that the reinforcement effect of M-CaCO₃ on NR is superior to that of CCR.更多还原