Mechanical performance design via regulating the interactions in acrylonitrile-butadiene rubber/clay nanocomposites by small molecule compounds

被引:16
作者
Zhang, Xiaoming [1 ]
Chen, Zilong [1 ]
Li, Jian [1 ]
Wu, Xiaohui [2 ]
Lin, Jun [1 ]
He, Shaojian [1 ]
机构
[1] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
[2] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
基金
中国国家自然科学基金;
关键词
Acrylonitrile-butadiene rubber; Clay; Quaternary ammonium salt; Hindered phenol antioxidant; Mechanical performance; Nanocomposite; HINDERED PHENOL; CARBON-BLACK; CLAY; MONTMORILLONITE; IMPROVEMENT; COMPOSITES; HYBRIDS; OXIDE;
D O I
10.1016/j.polymertesting.2022.107565
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this study, we introduced two small molecule compounds, hexadecyltrimethylammonium chloride (CTAC) and triethylene glycol bis(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate (AO245) to control the mechanical performance of acrylonitrile-butadiene rubber/clay (NBR/clay) nanocomposites. The NBR/clay nanocompound was prepared by gel compounding method, and the CTAC and AO245 were incorporated by mechanical blending. The phenolic hydroxyl group on AO245 enhanced the NBR/clay nanocomposite cross-linking network through hydrogen bond interaction with the cyanide group on the NBR macromolecular chain, which was evi-denced by FTIR. In contrast, CTAC could plasticize NBR matrix by weakening the dipole-dipole interaction between clay and NBR. As compared to the NBR/clay nanocomposites, the nanocomposite with AO245 exhibited higher tensile strength, while the nanocomposite with CTAC showed higher elongation at break.
引用
收藏
页数:7
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