碳纳米管/炭黑协同效应对天然橡胶/顺丁橡胶复合材料性能的影响

doi:10.11901/1005.3093.2016.444

材料研究学报

2017, Vol. 31

Issue (10): 758-764 DOI: 10.11901/1005.3093.2016.444

研究论文

本期目录 | 过刊浏览

碳纳米管/炭黑协同效应对天然橡胶/顺丁橡胶复合材料性能的影响

高江姗, 何燕(

), 徐瑾, 郭昌

青岛科技大学机电工程学院青岛 266061

Influence of Synergistic Effect of Carbon Nanotubes/Carbon Black on Properties of Natural Rubber/Butadiene Rubber Composites

Jiangshan GAO, Yan HE(

), Jin XU, Chang GUO

Qingdao University of Science and Technology, Qingdao 266061, China

引用本文:

高江姗, 何燕, 徐瑾, 郭昌. 碳纳米管/炭黑协同效应对天然橡胶/顺丁橡胶复合材料性能的影响[J]. 材料研究学报, 2017, 31(10): 758-764.
Jiangshan GAO, Yan HE, Jin XU, Chang GUO. Influence of Synergistic Effect of Carbon Nanotubes/Carbon Black on Properties of Natural Rubber/Butadiene Rubber Composites[J]. Chinese Journal of Materials Research, 2017, 31(10): 758-764.

全文: PDF(1051 KB) HTML

摘要:

使用两种一定比例的填料,在增加碳纳米管(CNTs)的同时不等量的减少炭黑(CB),其比例为m(CNTs):m(CB的减少量)=1:2.5,研究填料的变化对橡胶的力学等性能的影响。用扫描电镜(SEM)观察橡胶脆断面碳纳米管的分散情况,在3D测量激光显微镜下观察了橡胶拉伸断面的平整度和高度差。结果表明,填充4 phr CNTs时拉伸强度最高,比添加0 phr的高11.41%;随着CNTs的增多炭黑的减少使材料的加工性能变差,模量和耐磨性提高,填充8 phr CNTs的橡胶比0 phr的耐磨性高21.14%;根据动态力学性能测试(DMA)的损耗因子,随着碳CNTs添加量的增多橡胶的滚动阻力减小,但是抗湿滑性变差。

关键词 ：复合材料, 协同效应, 碳纳米管, 炭黑, 力学性能, DIN磨耗, DMA

Abstract：

Carbon nanotubes (CNTs) and carbon black (CB) were used as the hybrid reinforcing fillers, the coordinated effect of different fillers on the properties of composites was investigated. The filling content of CNTs increases as the decrease of CB content, and the mass ratio of CNTs increase to CB decrease is fixed to m (CNTs):m(decreasing amount of CB)=1:2.5.The dispersion of CNTs at the brittle fracture surface was gottenby the scanning electron microscopy (SEM). The flatness and height difference of the tensile fracture-surface were observed by 3D measuring laser microscope. The tensile strength was the best when 4 phr CNTs was filled, that was 11.41% higher than that of composites with 0 phr CNTs. The processability was worse and the modulus was enhanced, abrasion property increased with the increase of CNTs and composites with 8 phr CNTs was 21.14% more wearable than 0 phr CNTs. According to the loss factor of dynamic mechanical analysis (DMA), rolling resistance of composites was reductive but wet-skid resistance decreased with the increase of CNTs.

Key words： composite synergistic effect carbon nanotubes carbon black mechanical properties DIN abrasion DMA

收稿日期: 2016-07-27

ZTFLH:

TB332

基金资助:国家自然科学基金(51276091、51676103),山东省自主创新及成果转化专项(2014ZZCX01503)

作者简介:

作者简介高江姗,女,1991年生,博士生

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链接本文:

https://www.cjmr.org/CN/10.11901/1005.3093.2016.444 或 https://www.cjmr.org/CN/Y2017/V31/I10/758

表1 实验配方

表2 炭黑与碳纳米管配比的添加量

图1 不同配比复合材料的SEM表面形貌

图2 激光显微镜下橡胶拉伸断面2D图像

图3 橡胶拉伸断面的3D图像

图4 不同配比复合材料的拉伸强度和定伸应力

图5 不同配比复合材料的加工性能

图6 配比对模量和磨耗性能的影响

图7 添加不同份数碳纳米管的复合材料的损耗因子

表3 损耗因子峰所对应的值

图8 0℃和60℃时不同配比添加量复合材料的损耗因子值

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