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超临界流体制备废旧轮胎热裂解炭黑/碳纳米管杂化粒子及其性能的研究

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  • Key Words:废旧轮胎热裂解炭黑;碳纳米管;杂化粒子;超临界流体;天然橡胶;补强效果

  • Abstract:选用超临界二氧化碳流体作为分散介质，将碳纳米管（CNT）分散包覆在废旧轮胎热裂解炭黑（CBp）表面，制备CBp/CNT杂化粒子，研究其对天然橡胶的补强效果，并与CBp（超临界流体分散处理）进行对比。结果表明：与CBp胶料相比，CBp/CNT杂化粒子胶料的硫化特性良好，硫化胶的硬度、定伸应力和撕裂强度增大，压缩温升变化不大；随着超临界流体处理时间的延长，CBp/CNT杂化粒子胶料的填料-填料的相互作用减弱，硫化胶的拉伸强度可以达到与CBp硫化胶相当的水平。

  • Volume:v.69

  • Issue:09

  • Translation or Not:no

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