期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 73, 期 -, 页码 63-71出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2015.03.007
关键词
Particle-reinforcement; Polymer-matrix composites (PMCs); Interface; Thermal analysis
资金
- National Natural Science Foundation of China [U1134005, 51003031]
To improve the antioxidative efficiency of 2-mercaptobenzimidazole (MB) and strengthen the interaction between halloysite nanotubes (HNTs) and natural rubber (NR), HNTs supported 2-mercaptobenzimidazole (HNTs-s-MB) was prepared by reacting MB with chlorosilane modified HNTs (m-HNTs). FTIR, XPS and TGA confirmed that MB was chemically bonded onto the surface of HNTs. HNTs-s-MB could be homogeneously dispersed in the NR matrix and there was a strong interfacial interaction between HNTs-s-MB and NR, leading to the better mechanical performances of NR/HNTs-s-MB nanocomposites than those of NR/HNTs nanocomposites. Based on the measurements of the thermo-oxidation activation energy of NR/HNTs-s-MB and NR/m-HNTs/MB nanocomposites containing equivalent antioxidant component, it was found that the antioxidative efficiency of HNTs-s-MB was superior to that of the corresponding low molecular MB owing to the much lower migration and volatility of HNTs-s-MB than those of MB. (C) 2015 Elsevier Ltd. All rights reserved.
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