STRENGTHENING POLY (ETHYLENE TEREPHTHALATE) BY FILLING WITH SHORT GLASS FIBERS AND MULTI-WALL CARBON NANOTUBES

被引：0
|
作者：
Pesetskii, Stepan S. [1 ]
Dubrovsky, Vladislav V. [1 ]
Makarenko, Olga A. [1 ]
机构：
[1] Natl Acad Sci Belarus, VA Belyi Met Polymer Res Inst, 32-A Kirov Str, Gomel 246050, BELARUS
来源：
DOKLADY NATSIONALNOI AKADEMII NAUK BELARUSI | 2020年 / 64卷 / 01期
关键词：
poly (ethylene terephthalate); short glass fiber; multi-walled carbon nanotubes; hybrid filling; MECHANICAL-PROPERTIES; EXPANDED GRAPHITE; COMPOSITES;
D O I：
10.29235/1561-8323-2020-64-1-103-110
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The effect of hybrid filling of poly (ethylene terephthalate) (PET) with short glass fibers (GF) and multi-walled carbon nanotubes (MWCNTs) on the static and dynamic mechanical properties of composites, as well as the structural features and rheological behavior of melts were investigated. Compounding materials was carried out by the PET melt blending with the use of the reaction extrusion method. The studied composites contained from 15 to 60 wt. % GF, the concentration of MWCNTs was 0.5 and 1.6 wt. %. It was shown that the PET hybrid filling led to a synergistic increase in the strength, the elastic modulus and the dynamic shear modulus of composites under tension and bending in a wide temperature range. MWCNT additives intensified interfacial adhesion, had a nucleating effect on the crystallization of the binder, and increased its thermal stability.
引用
收藏
页码：103 / 110
页数：8
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