Enhancement on the tribological properties of poly(phthalazinone ether sulfone ketone) by carbon nanotube-supported graphitic carbon nitride hybrid

被引：14
作者：
Zhang, Mengjie [1 ]
Chen, Beibei [1 ]
Dong, Zhe [1 ]
Wang, Shuang [1 ]
Li, Xiang [1 ]
Jia, Yuhan [1 ]
Yan, Fengyuan [2 ]
机构：
[1] Jiangsu Univ, Inst Adv Mat, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou, Peoples R China
来源：
POLYMER COMPOSITES | 2020年 / 41卷 / 09期
关键词：
g-C3N4; CNT; microstructure; polymer-based composite; wear; ONE-STEP SYNTHESIS; WEAR BEHAVIOR; NANOSHEETS; COMPOSITES; FRICTION; POLYIMIDE; MEMBRANES;
D O I：
10.1002/pc.25674
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
A novel hybrid of carbon nanotube-supported graphitic carbon nitride (g-C3N4/CNT) was firstly fabricated via facile calcination method, and then filled into poly (phthalazinone ether sulfone ketone) (PPESK) to prepare self-lubricating composite film. The microstructure and chemical composition of g-C3N4/CNT hybrid were characterized, and its enhancement on the tribological properties of PPESK was investigated by comparing to pure PPESK and its composite films with g-C(3)N(4)or CNT only. Results showed that g-C(3)N(4)wasin situattached to CNT surface uniformly, which favored for improving the physical and chemical interfacial interaction between fillers and PPESK. Besides, by the incorporation of g-C3N4/CNT, the hardness and elastic modulus of PPESK were improved by 15.05% and 41.75%, respectively. More importantly, PPESK-g-C3N4/CNT composite film showed the best tribological property among PPESK composite films. Its friction coefficient and wear rates were 65.5% and 84.1% lower than those of pure PPESK, as a result of good dispersion and interfacial action, as well as synergism between CNT and g-C3N4. Based on the worn surface analysis, the enhancement mechanism of g-C3N4/CNT was proposed.
引用
收藏
页码：3768 / 3777
页数：10
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