Nano-TiO2 anchored carbon nanohelices as reinforcing/anti-aging filler for styrene-butadiene rubber

被引:5
作者
Li, Yuming [1 ]
Jin, Yongzhong [1 ,2 ]
Su, Wei [1 ]
Pi, Lin [1 ]
Chen, Kehui [3 ]
Yan, Lin [3 ]
Chen, Ge [1 ]
机构
[1] Sichuan Univ Sci & Engn, Sch Mat Sci & Engn, Zigong 643000, Peoples R China
[2] Mat Corros & Protect Key Lab Sichuan Prov, Zigong 643000, Peoples R China
[3] Sichuan Just Rubber Co Ltd, Suining 629000, Peoples R China
基金
中国国家自然科学基金;
关键词
Helical carbon nanofibers; TiO2; nanoparticles; Nanohybrid; Mechanical properties; Enhanced anti-UV aging resistance; SILANE COUPLING AGENT; SURFACE MODIFICATION; TITANIUM-DIOXIDE; RUTILE TIO2; PHOTOCATALYTIC ACTIVITY; NANOCOMPOSITES; NANOPARTICLES; AGGLOMERATION; NANOTUBES; MICROSTRUCTURE;
D O I
10.1016/j.matchemphys.2022.126119
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In the current work, TiO2 nanoparticles (19 nm) were anchored on the surface of helical carbon nanofibers (HCNFs) by covalent bonds and in-situ method. The resulting HCNFs@TiO2 hybrids were used in reinforcing styrene-butadiene rubber 1500E (SBR) via melt-blending. The results show that there are strong interfacial interactions between the HCNFs@TiO2 and SBR composites due to the uniform dispersion of HCNFs@TiO2 in the SBR composites. Compared with SBR/CB (control) composites, the tensile strength and elongation at break of SBR/HCNFs@TiO2 composites (3 phr HCNFs@TiO2) were increased by 15.0% and 25.1%, respectively. After the UV-aging test, SBR/HCNFs@TiO2 composites (3 phr HCNFs@TiO2) could exhibit 17.1 MPa of tensile strength and 503.3% of elongation at break, while CB/SBR composites could only maintain 8.9 MPa of tensile strength and 154.8% elongation at break. Ultimately, the excellent comprehensive performance of SBR composites indicates that HCNFs@TiO2 hybrids can effectively reinforce rubber composites as new functional filler.
引用
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页数:10
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