Dispersion, interfacial interaction and re-agglomeration of functionalized carbon nanotubes in epoxy composites

Carbon ◽  
2010 ◽  
Vol 48 (6) ◽  
pp. 1824-1834 ◽  
Author(s):  
Peng-Cheng Ma ◽  
Shan-Yin Mo ◽  
Ben-Zhong Tang ◽  
Jang-Kyo Kim
2020 ◽  
Vol 195 ◽  
pp. 108161 ◽  
Author(s):  
Zhiqiang Yao ◽  
Chengguo Wang ◽  
Ruijiao Lu ◽  
Shunsheng Su ◽  
Jianjie Qin ◽  
...  

Carbon ◽  
2010 ◽  
Vol 48 (3) ◽  
pp. 592-603 ◽  
Author(s):  
Shin-Yi Yang ◽  
Chen-Chi M. Ma ◽  
Chih-Chun Teng ◽  
Yen-Wei Huang ◽  
Shu-Hang Liao ◽  
...  

Polymers ◽  
2018 ◽  
Vol 10 (10) ◽  
pp. 1103 ◽  
Author(s):  
Nabil Kadhim ◽  
Yuan Mei ◽  
Ying Wang ◽  
Ying Li ◽  
Fanbin Meng ◽  
...  

Helical carbon nanotubes (HCNTs) were functionalized to fabricate HCNT/epoxy composites. Acid oxidation and a silane coupling agent, glycidoxypropyltrimethoxysilane (KH560), were used to modify the HCNTs. Remarkably, the flexural strength and the flexural strain were enhanced by 72.0% and 325.0%, respectively, compared to pure epoxy after adding a small amount of the KH560 modified HCNTs (K-HCNTs). Simultaneously, the tensile strength and Young’s modulus of K-HCNTs/epoxy composites were 51.3% and 270.9% higher than those of pure epoxy. It is found that the presence of silane molecules improved the dispersion of HCNTs in epoxy and the interfacial interaction. Moreover, it has been found that the mechanically interlocking effect from the helical shape of HCNTs also contributes to the improved mechanical properties of epoxy composites, compared to their straight multi-walled carbon nanotube (MWCNT) counterparts. This work provides a low-cost and efficient approach to strengthen and toughen epoxy composites.


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