Journal
JOURNAL OF POLYMER RESEARCH
Volume 29, Issue 3, Pages -Publisher
SPRINGER
DOI: 10.1007/s10965-022-02931-9
Keywords
Polyphenylene sulfide; Zinc oxide-doped multiwall carbon nanotubes; Tensile properties; Crystallinity; Antibacterial evaluation; Water permeability; Coordination; Hydrophilicity
Categories
Funding
- Sichuan Province Science and Technology Support Program [22CXTD0024, 2019JDRC0029, 2020YFG0176]
- Chengdu Science and Technology [2021-RC0200005-CG]
- Zigong City Science and Technology [2019CXRC01, 2020YGJC13]
- Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan Province [2017CL03, 2019CL05, 2018CL08, 2018CL07]
- Opening Project of Sichuan Province
- Foundation of Introduced Talent of Sichuan University of Science and Engineering [2017RCL31, 2017RCL36, 2017RCL16, 2019RC05, 2019RC07, 2020RC16]
- Opening Project of Key Laboratories of Fine Chemicals and Surfactants in Sichuan Provincial Universities [2020JXY04]
- Wuliangye Group Co. Ltd. [CXY2019ZR001]
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A nanocomposite of poly(phenylene sulfide) (PPS) and zinc oxide-doped multiwall carbon nanotubes (MWCNTs-ZnO) was synthesized, and its properties were characterized and compared to pure PPS. The addition of MWCNTs-ZnO enhanced the crystallinity, path blocking, and coordination reaction of PPS, resulting in improved barrier performance. The nanocomposite showed superior thermal stability, mechanical properties, and barrier performance.
A nanomaterial in the form of zinc oxide-doped multiwall carbon nanotubes (MWCNTs-ZnO) was synthesized, and new nanocomposites were prepared by blending together different amounts of poly(phenylene sulfide) (PPS) as matrix and MWCNTs-ZnO as fillers in a torque rheometer with an internal mixer. MWCNTs-ZnO enhanced the barrier performance of PPS in terms of crystallinity, path blocking, and coordination reaction. Through tensile test, scanning electron microscopy, X-ray diffraction, differential scanning calorimetry, thermogravimetric analysis, evaluation of Escherichia coli inhibition, and water permeability, the properties of pure PPS and PPS/MWCNTs-ZnO nanocomposites were characterized and compared. The results showed that MWCNTs-ZnO played a role in heterogeneous nucleation. When the content of MWCNTs-ZnO was 0.4 phr, the crystallization temperature, thermostability, tensile strength, elongation at break, and hydrophilicity approached maximum values, and the microscopic morphology changed from the original brittle fracture to a ductile fracture. PPS/MWCNTs-ZnO nanocomposites showed improved barrier performance due to three possible factors: (1) extending the transmission path due to the presence of nanofillers; (2) enhancing crystallization; (3) coordination between PPS and MWCNTs-ZnO. Finally, FTIR analysis showed that PPS and MWCNTs-ZnO formed coordination between them, which improved the properties of nanocomposites.
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