Explanipedia

Machine Learning‐Based Automatic Scratch Performance Quantification on Polymeric Surfaces Open

Sumit Khatri, Zizheng LI, Hung‐Jue Sue · 2025

Quantitative scratch resistance characterization constitutes an important step in the performance evaluation of polymeric surfaces. By applying the standardized ASTM and ISO scratch test methodology, the present work discusses an approach …

Evaluation of Roughening Mar Resistance of Glossy Ductile Thermoplastics Open

Xiuzhu Zhu, Lorenzo De Noni, Reza Bahrami, Sumit Khatri, Yuntao Li , et al. · 2025

Mar is a type of subtle surface damage caused by sliding objects, visible to the human eye, and critically impacts the esthetics of polymeric surfaces. Despite its critical importance, no standardized method exists for quantifying rougheni…

MoS2 Additives in Lithium Grease for Electrified Systems Open

Mohsen Tajedini, M. Humaun Kabir, Rouzhina Azhdari, Reza Bahrami, Hung‐Jue Sue , et al. · 2025

This study investigates the effectiveness of micron- and nano-sized molybdenum disulfide (MoS2) particles as additives in lithium (Li) grease under electrified conditions. By systematically applying electric current and high temperatures a…

Effect of physical aging on scratch behavior of polycarbonate Open

Lorenzo De Noni, Xiuzhu Zhu, Luca Andena, Kwanghae Noh, Yi Li , et al. · 2024

Physical aging refers to relaxation of the polymer glassy state toward the amorphous state and this phenomenon affects their physical‐mechanical properties. This work investigates the effect of physical aging on polymer scratch behavior an…

Predicting the Processability of Polymers in a Twin-Screw Extruder: CFD Simulation and Experimental Validation Open

Jazmine Aiya D. Marquez, Yufeng Quan, Xiuzhu Zhu, Hung‐Jue Sue, Qingsheng Wang · 2024

Twin-screw extruders are widely used to manufacture various polymers for large-scale processing in the industry. However, new polymers and modified polymers that have not been manufactured before would require experiments to undergo a tria…

Hydrophilized MoS2 as Lubricant Additive Open

M. Humaun Kabir, Darrius Dias, Kailash Arole, Reza Bahrami, Hung‐Jue Sue , et al. · 2024

Molybdenum disulfide (MoS2) has been used in a variety of lubrication products due to its highly tunable surface chemistry. However, the performance of MoS2-derived tribofilms falls short when compared to other commercially available antiw…

Scratch Visibility Modeling on Flat & Textured Polymeric Surfaces Open

Sumit Khatri, Hung‐Jue Sue · 2024

Electron-Beam Curing of Bismaleimide-Reactive Diluent Resins Open

Yuntao Li, Roger J. Morgan, Francisco Tschen, Hung‐Jue Sue, Vince J. Lopata · 2024

Effect of surfactant type on oxygen barrier behavior of polyvinyl alcohol/α‐zirconium phosphate nanocomposites Open

Fan Lei, Minsheng Feng, Ying Li, Jiang Li, Hung‐Jue Sue · 2023

Surfactants used to exfoliate and disperse nanoparticles are expected to have an impact on polymer nanocomposite properties. In this work, both ionic tetrabutylammonium hydroxide (TBA) and amphiphilic polyoxyalkyleneamine (M1000) surfactan…

Mechanically Interlocked Vitrimer Based on Polybenzoxazine and Polyrotaxane Open

Zewen Zhu, Sara West, Hengxi Chen, Guan-Hui Lai, Shuntaro Uenuma , et al. · 2023

A mechanically interlocked vitrimer (MIV) based on a benzoxazine monomer and polyrotaxane (PR) has been prepared through a mechanically interlocked network (MIN) and dynamic covalent bond chemistry. The dynamic transacetalation exchange th…

Preparation of Polyethylene/α-Zirconium Phosphate Nanocomposites via a Well-Controlled Polyethylene-Grafted Interface Open

Mingzhen Zhao, Hong-Mao Wu, Hengxi Chen, Guan-Hui Lai, Zewen Zhu , et al. · 2023

It is a daunting task to prepare polyolefin nanocomposites that contain well-exfoliated nanoplatelets due to the nonpolar and high crystallinity nature of polyolefins. In this research, a robust approach was developed to prepare polyethyle…

Fracture Behavior of Polybenzoxazine Toughened by Polyrotaxane Molecules and Core–Shell Rubber Open

Zewen Zhu, Hengxi Chen, Xiuzhu Zhu, Shuntaro Uenuma, Kohzo Ito , et al. · 2023

The inherent brittleness of polybenzoxazines (PBas) makes them difficult for high-performance microelectronics and composite applications. Conventional toughening approaches are either ineffective or cause a reduction in the glass transiti…

Making molecular nanotubes by cross-linking stackable rings Open

Hung‐Jue Sue · 2023

briefing Making molecular nanotubes by cross-linking stackable rings Discrete chiral nanotubes have been synthesized with high efficiency by connecting rimdesymmetrized macrocycles through dynamic covalent linkages.These 2-nm long and 4.7-…

Effect of color on scratch and mar visibility of polymers Open

Lorenzo De Noni, Shaik Merkatur Hakim Marjuban, Luca Andena, Kwanghae Noh, Yuntao Li , et al. · 2023

Polymer scratch mechanics has been widely studied. However, the physics behind scratch visibility is still not well understood. Scratch deformation mechanisms certainly affect visibility but also other material properties, such as roughnes…

Highly Conductive and Ultra-Strong Carbon Nanotube-Copper Core-Shell Wires as High-Performance Power Transmission Cables Open

Hengxi Chen, Farhad Daneshvar, Qing Tu, Hung‐Jue Sue · 2022

Photopolymerized superhydrophobic hybrid coating enabled by dual-purpose tetrapodal ZnO for liquid/liquid separation Open

Chenxuan Li, Brian Lee, Chenxu Wang, Aayushi Bajpayee, Lacey D. Douglas , et al. · 2021

Dual purposed ZnO tetrapods promote photopolymerization of methacrylates and provide surface roughness for superhydrophobicity. Large area photochemical fabrication of hybrid coating is demonstrated for liquid/liquid separation application…

Cover Feature: Phototunable Lignin Plastics to Enable Recyclability (ChemSusChem 19/2021) Open

Cheng Hu, Mingzhen Zhao, Qiang Li, Zhiyuan Liu, Naijia Hao , et al. · 2021

The Cover Feature shows that a PMMA-g-lignin-ZnO polymeric film with superior mechanical performance has been developed, where photo-degradable lignin serves as core to be cleaved by ZnO nano-catalysts and to enable the recycling of PMMA a…

Fracture behavior of hybrid epoxy nanocomposites based on multi-walled carbon nanotube and core-shell rubber Open

Zewen Zhu, Hengxi Chen, Qihui Chen, Cong Liu, Kwanghae Noh , et al. · 2021

Phototunable Lignin Plastics to Enable Recyclability Open

Cheng Hu, Mingzhen Zhao, Qiang Li, Zhihua Liu, Naijia Hao , et al. · 2021

The accumulation of non‐degradable petrochemical plastics imposes a significant threat to the environment and ecosystems. We addressed this challenge by designing a new type of phototunable plastics based on the unique lignin chemistry to …

Critical challenges and advances in the carbon nanotube–metal interface for next-generation electronics Open

Farhad Daneshvar, Hengxi Chen, Kwanghae Noh, Hung‐Jue Sue · 2021

In this paper the major challenges of CNT–metal systems and a few of their potential applications in future electronics are reviewed.

Tuning the composition and morphology of carbon nanotube-copper interface Open

Farhad Daneshvar, Tan Zhang, A. Aziz, Hung‐Jue Sue, Mark E. Welland · 2019

Modulation versus Templating: Fine‐Tuning of Hierarchally Porous PCN‐250 Using Fatty Acids To Engineer Guest Adsorption Open

Angelo Kirchon, Jialuo Li, Fangqing Xia, Gregory S. Day, Benjamin Becker , et al. · 2019

Modulation and templating are two synthetic techniques that have garnered significant attention over the last several years for the preparation of hierarchically porous metal–organic frameworks (HP‐MOFs). In this study, by using fatty acid…

Modulation versus Templating: Fine‐Tuning of Hierarchally Porous PCN‐250 Using Fatty Acids To Engineer Guest Adsorption Open

Angelo Kirchon, Jialuo Li, Fangqing Xia, Gregory S. Day, Benjamin Becker , et al. · 2019

Modulation and templating are two synthetic techniques that have garnered significant attention over the last several years for the preparation of hierarchically porous metal–organic frameworks (HP‐MOFs). In this study, by using fatty acid…

Scratch behavior of model epoxy resins with different crosslinking densities Open

Glendimar Molero, Hung‐Jue Sue · 2019

Controlled size and high stability SiO<sub>2</sub>@ZnO QD’s with high green emission obtained by a simple colloidal route Open

Rene Perez Cuapio, José Alberto Alvarado, M. Pacio, Antonio Arce Plaza, C. Bueno Avendaño , et al. · 2019

In this work the synthesis of visible ZnO quantum dots (QDs) functionalized/stabilized with oleic acid and core-shelled with SiO 2 is presented. A colloidal route was followed to synthesize ZnO QDs with 5 nm average size. Several character…

Non‐Solvent Fractionation of Lignin Enhances Carbon Fiber Performance Open

Qiang Li, Mengjie Li, Hao‐Sheng Lin, Cheng Hu, Phuc Truong , et al. · 2019

Even though lignin carbon fiber has been sought after for several decades, the poor mechanical performance remains to be a major barrier for commercial applications. The low mechanical performance is attributed to the heterogeneity of lign…

Synthesis of Oxidation-Resistant Electrochemical-Active Copper Nanowires\n Using Phenylenediamine Isomers Open

Tan Zhang, Farhad Daneshvar, Cong Liu, Shaoyang Wang, Mingzhen Zhao , et al. · 2018

Phenylenediamine (PDA) was chosen as a coordinating, reducing, and capping\nagent to effectively direct growth and protect against oxidation of Cu\nnanowires (Cu NWs) in an aqueous solution. PDA was found to reduce Cu (II) to\nCu (I) at ro…

Synthesis of Oxidation-Resistant Electrochemical-Active Copper Nanowires Using Phenylenediamine Isomers Open

Tan Zhang, Farhad Daneshvar, Cong Liu, Shaoyang Wang, Mingzhen Zhao , et al. · 2018

Phenylenediamine (PDA) was chosen as a coordinating, reducing, and capping agent to effectively direct growth and protect against oxidation of Cu nanowires (Cu NWs) in an aqueous solution. PDA was found to reduce Cu (II) to Cu (I) at room …

Synthesis of oxidation-resistant electrochemical-active copper nanowires using phenylenediamine isomers Open

Tan Zhang, Farhad Daneshvar, Shaoyang Wang, Hung‐Jue Sue · 2018

Phenylenediamine (PDA) was chosen as a coordinating, reducing, and capping agent to effectively direct growth and protect against oxidation of Cu nanowires (Cu NWs) in an aqueous solution. PDA was found to reduce Cu (II) to Cu (I) at room …

Carbon nanotube-copper fibers produced by electrospinning: electrical conductivity measurements Open

Farhad Daneshvar, Hung‐Jue Sue · 2018

Recent advances in nanotechnology have provided new materials which have the potential to surpass copper and aluminum alloys in electrical conductivity, weight and ampacity [2-6]. Among these carbon nanotubes (CNTs) stand out due to their …

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