Article
Chemistry, Multidisciplinary
Marco Monti, Marta Zaccone, Alberto Frache, Luigi Torre, Ilaria Armentano
Summary: This paper investigates the correlation between the dielectric behavior of PP/MWCNT nanocomposites and the morphology with respect to crystalline structure, nanofiller dispersion, and injection molding conditions. The study reveals a shift towards more frequency-independent behavior at the percolation threshold with increasing mold temperature, and the most conductive position is found further away from the gate. These findings highlight the importance of tuning processing conditions for the frequency-dependent electrical behavior of PP/MWCNT injection-molded nanocomposites in advanced process and product design.
Article
Materials Science, Multidisciplinary
Xing Zhou, Jingrui Deng, Changqing Fang, Wanqing Lei, Yonghua Song, Zisen Zhang, Zhigang Huang, Yan Li
Summary: This study prepared carbon nanotubes/polylactic acid composites using 3D printing method, and found that the orientation of CNTs affected the properties of the composites. The 3D printing process was beneficial for improving the electrical conductivity and mechanical properties of the composites.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Polymer Science
Lazaros Papadopoulos, Panagiotis A. Klonos, Zoi Terzopoulou, Eleni Psochia, Olawale Monsur Sanusi, Nourredine Ait Hocine, Abdelkibir Benelfellah, Dimitrios Giliopoulos, Konstantinos Triantafyllidis, Apostolos Kyritsis, Dimitrios N. Bikiaris
Summary: This article reports the effects of fillers of different geometries and surface chemistry on polylactide (PLA), showing that they can accelerate the crystallization rate of PLA, with mesoporous silicas having a stronger effect. In nanocomposites, although there is a slight deceleration in segmental dynamics, there is an increase in cooperativity. Combined data suggest the best dispersion in the PLA matrix at 1% particle loading.
Article
Biochemistry & Molecular Biology
Maren Gueltner, Regine Boldt, Petr Formanek, Dieter Fischer, Frank Simon, Petra Poetschke
Summary: In this study, PC, SAN, MWCNTs/SWCNTs, and RC were melt compounded in a microcompounder. The localization of MWCNTs was found to be influenced by adjusting the RC concentration, while the localization of SWCNTs in PC/SAN-RC blends depended on their types.
Article
Engineering, Multidisciplinary
Yasser Zare, Kyong Yop Rhee
Summary: The tunneling resistance in polymer nanocomposites is influenced by factors such as tunneling distance, percolation onset, CNT content, and CNT curliness. Other factors like the portion of attached CNTs, CNT conductivity, CNT length, interphase depth, CNT radius, and interfacial tension also play a role in determining the tunneling resistance.
ENGINEERING SCIENCE AND TECHNOLOGY-AN INTERNATIONAL JOURNAL-JESTECH
(2021)
Article
Nanoscience & Nanotechnology
Sourav Biswas, Injamamul Arief, Yudhajit Bhattacharjee
Summary: This study addresses the challenge of efficient dispersion of nanostructured fillers in thermoplastic polymers and elastomers to properly assess the potential utilization of conducting and magnetic fillers influencing the electronic properties of soft nanocomposites. A unique approach is presented, using aligned magnetic networks of Ni nanowires and flow-induced secondary in-planar alignment of multiwalled carbon nanotubes in the soft poly(dimethylsiloxane) (PDMS) elastomer. The mutually perpendicular arrangement of both nanofillers in the PDMS composites results in enhanced electromagnetic interference shielding performance through an absorption mechanism.
ACS APPLIED NANO MATERIALS
(2023)
Article
Polymer Science
Zohreh Taghizadeh Tabari, Majid Baniadam, Morteza Maghrebi, Gholam Hossein Zohuri
Summary: In this study, a novel functionalization method was used to localize carbon nanotubes (CNTs) at the interface of immiscible polymers. The asymmetric functionalization promoted interfacial adhesion between polymers and enhanced the mechanical strength of the composites.
JOURNAL OF POLYMER RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Seojin Kim, You Young Byun, InYoung Lee, Woohyeon Cho, Gyungho Kim, Mario Culebras, Junho Jang, Chungyeon Cho
Summary: Organic thermoelectric nanocomposites were developed through successive spraying, resulting in improved growth rate and coverage, leading to significantly enhanced thermoelectric performance.
Article
Biotechnology & Applied Microbiology
V. H. Antolin-Ceron, D. Gonzalez-Jauregui, P. D. Astudillo-Sanchez, J. Cabrera-Chavarria, H. A. Andrade-Melecio, K. A. Barrera-Rivera, A. Martinez-Richa
Summary: Chitosan-poly(e)caprolactone diol (PCL) blends were studied for food packaging film applications. The addition of functionalized carbon nanotubes in different domains of the blend can reinforce specific domains and create nanocomposites with desirable properties. The interactions between the nanofiller and matrix depend on the nature of the nanofiller and the amount of hydrogen bonding species.
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
(2023)
Article
Chemistry, Physical
S. J. Shivaraja, R. K. Gupta, V Manjuladevi
Summary: Polymer dispersed liquid crystals (PDLCs) containing ODA-SWCNT dispersions were prepared and their electro-optical properties were studied. Compared to pure PDLCs, the PDLCs with ODA-SWCNT dispersions showed a shorter response time, lower threshold voltage, higher optical transparency, and better image sharpness in the ON-state.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Automation & Control Systems
Ana V. De Leon, O. Arda Vanli, Rebekah D. Sweat
Summary: Understanding the interfacial bonding behavior of nanocomposites under environmental conditions is crucial for their applications in various industries. This study investigated the effect of temperature, strain rate, and polymer matrices on the interfacial shear strength of carbon nanotube (CNT) nanocomposites. Statistical analysis revealed that temperature has a significant impact on the interfacial shear strength, independent of the matrix and strain rate. Additionally, there were interactions between the matrix and temperature, as well as all three factors. The study also found that the interfacial shear strength decreases non-linearly with temperature.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2023)
Article
Nanoscience & Nanotechnology
Malgorzata Chwal, Aleksander Muc
Summary: The paper discusses the mechanical properties of CNT-based nanocomposites, particularly focusing on the influence of CNT arrangements on elastic properties through the use of FEM and RVE methods. The study highlights the significant impact of nanotube arrangements on elastic properties of nanocomposites and the accuracy of FEM predictions in this regard.
REVIEWS ON ADVANCED MATERIALS SCIENCE
(2021)
Article
Materials Science, Composites
Ashish Kaushal, Vishal Singh
Summary: In this study, the mechanical, DC conductivity, and electromagnetic interference (EMI) shielding properties of multiwalled carbon nanotubes (MWCNTs) and carbon fiber reinforced polypropylene (CNC) nanocomposites were investigated. The results showed that the combination of CF and MWCNT improved the tensile strength and modulus of the nanocomposites, and the percolation behavior improved the DC electrical conductivity. The CNC nanocomposites exhibited high EMI shielding effectiveness in the X-band for a 2 mm thick sample, and efforts have been made to develop a compatible EMI shielding material using multiple fillers.
POLYMER COMPOSITES
(2022)
Review
Materials Science, Composites
Gizem Urtekin, Muhammad Saeed Ullah, Rumeysa Yildirim, Guralp Ozkoc, Mehmet Kodal
Summary: In the past decade, various blends and composites have been developed to address the poor mechanical properties of polymers or the high cost of synthetic polymers. Rubber-based thermoplastic blends and composites have shown improved performance and balanced qualities for usage in multiple industries. The combination of rubber and thermoplastics provide high-performance composites with better properties such as ductility, impact strength, and stiffness.
POLYMER COMPOSITES
(2023)
Article
Computer Science, Interdisciplinary Applications
Yasser Zare, Kyong Yop Rhee
Summary: This paper suggests an equation to calculate the average contact number of carbon nanotubes (CNTs) in CNT-reinforced polymer nanocomposites (PCNT) and explores the various parameters that affect the contact number. The results show that a dense interphase, a high fraction of networked CNTs, reedy and short CNTs, low CNT surface energy, high polymer surface energy, low tunneling distance, and small contact diameter increase the contact number and improve the conductivity.
ENGINEERING WITH COMPUTERS
(2022)
