橡胶技术网

橡胶工业
CHINA RUBBER INDUSTRY
2006 Vol.53 No.4 P.216-222

橡胶技术网

炭黑粒子的表面形貌及其聚集体的纳米力学属性

庄清平 

摘 要:介绍炭黑粒子的表面形貌及其聚集体的纳米力学属性,综述聚合物/炭黑复合材料的纳米断裂行为.炭黑原生粒子表面由细小的石墨状晶体无规排列构成,并存在富勒结构碳,呈凹凸不平的原子台阶形貌.快速拉伸时纳米炭黑粒子链发生弹性变形,慢速拉伸时发生塑性变形.单一纳米炭黑粒子链的拉伸强度为(4.5±2.5) MPa,杨氏模量为3.0~8.8 MPa.纳米炭黑粒子链与聚合物之间的界面强度大于粒子链之间及聚合物之间的强度.橡胶/炭黑复合材料受力变形时,纳米炭黑粒子链与结合橡胶分子复合的团聚体在传递应力的同时发生屈服变形,延缓材料破坏.
关键词:炭黑;聚合物/炭黑复合材料;纳米力学;纳米粒子链;纳米断裂;补强机理
分类号:TQ330.38+1;TQ330.1+5 文献标识码:A

文章编号:1000-890X(2006)04-0216-07

Surface morphology of carbon black particle and nanomechanics of its aggregate

ZHUANG Qing-ping 

作者简介:庄清平(1956-),男,福建泉州人,泉州WPF有限公司工程师,学士,从事纳米材料补强聚合物的研究.
作者单位:庄清平(泉州WPF有限公司,福建,泉州,362000) 

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收稿日期:2005年10月6日

出版日期:2006年4月25日

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