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炭黑在不同产地天然橡胶中的分散性对比

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  • Key Words:天然橡胶;炭黑;分散性;产地;橡胶加工分析仪;动态热机械分析仪

  • Abstract:用橡胶加工分析仪(RPA)和动态热机械分析仪(DMA)等研究炭黑在不同产地NR中的分散性。结果表明:4种NR相对分子质量从大到小顺序为SMR,SCR,SIR,STR,加工性能从好到差顺序为SIR,STR,SMR,SCR;在填充50份炭黑N220的4种不同产地NR中,SMR中的炭黑分散性最好,STR和SIR次之,SCR最差;4种NR的自补强性能从高到低的顺序为SCR,SMR,SIR,STR;炭黑N220与4种NR的相互作用从强到弱的顺序为STR,SIR,SMR,SCR;填充50份炭黑N220的SMR硫化胶的综合性能最好,SIR和STR硫化胶次之,SCR硫化胶最差;SMR胶料兼具较好的抗湿滑性能和较低的滚动阻力。

  • Volume:v.17;No.293

  • Issue:05

  • Translation or Not:no

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