Dydek Kamil, Latko-Durałek Paulina, Sulowska Agata, Kubiś Michał, Demski Szymon, Kozera Paulina, Sztorch Bogna, Boczkowska Anna
Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Wołoska, 02-507 Warsaw, Poland.
Faculty of Power and Aeronautical Engineering, Warsaw University of Technology, 24 Nowowiejska, 00-665 Warsaw, Poland.
Polymers (Basel). 2021 Nov 4;13(21):3816. doi: 10.3390/polym13213816.
The study aimed to investigate the effect of processing temperature and the content of multi-wall carbon nanotubes (MWCNTs) on the rheological, thermal, and electrical properties of polyphenylene sulfide (PPS)/MWCNT nanocomposites. It was observed that the increase in MWCNT content influenced the increase of the complex viscosity, storage modulus, and loss modulus. The microscopic observations showed that with an increase in the amount of MWCNTs, the areal ratio of their agglomerates decreases. Thermogravimetric analysis showed no effect of processing temperature and MWCNT content on thermal stability; however, an increase in stability was observed as compared to neat PPS. The differential scanning calorimetry was used to assess the influence of MWCNT addition on the crystallization phenomenon of PPS. The calorimetry showed that with increasing MWCNT content, the degree of crystallinity and crystallization temperature rises. Thermal diffusivity tests proved that with an increase in the processing temperature and the content of MWCNTs, the diffusivity also increases and declines at higher testing temperatures. The resistivity measurements showed that the conductivity of the PPS/MWCNT nanocomposite increases with the increase in MWCNT content. The processing temperature did not affect resistivity.
该研究旨在探究加工温度和多壁碳纳米管（MWCNTs）含量对聚苯硫醚（PPS）/MWCNT纳米复合材料的流变学、热学和电学性能的影响。观察到MWCNT含量的增加会影响复数粘度、储能模量和损耗模量的增加。微观观察表明，随着MWCNT数量的增加，其团聚体的面积比降低。热重分析表明加工温度和MWCNT含量对热稳定性没有影响；然而，与纯PPS相比，观察到稳定性有所提高。差示扫描量热法用于评估添加MWCNT对PPS结晶现象的影响。量热法表明，随着MWCNT含量的增加，结晶度和结晶温度升高。热扩散率测试证明，随着加工温度和MWCNT含量的增加，扩散率也会增加，并在较高测试温度下下降。电阻率测量表明，PPS/MWCNT纳米复合材料的电导率随着MWCNT含量的增加而增加。加工温度不影响电阻率。
