Article
Chemistry, Physical
Shihab Ezzuldin M. Saber, Luqman Chuah Abdullah, Teo Ming Ting, Siti Nurul Ain Md Jamil, Thomas S. Y. Choong, G. Abdulkareem-Alsultan
Summary: The pre-irradiation grafting procedure was used to graft natural cotton fibers with glycidyl methacrylate (GMA). The extent of grafting was influenced by the absorbed dose of radiation, with higher doses resulting in greater grafting. A dose of 10 kGy was chosen for the preparation of the GMA grafted cotton, which showed a grafting extent of 200%. Trimethylamine (TMA) was then used to modify the GMA grafted cotton.
RADIATION PHYSICS AND CHEMISTRY
(2023)
Article
Environmental Sciences
Yibo Zhao, Lin Wang, Linchao Zhu, Fei Gao, Xinru Xu, Jingyi Yang
Summary: Steel slag was examined for its potential to remove p-nitrophenol from simulated sewage through batch adsorption and fixed-bed column absorption experiments. The results showed that steel slag exhibited excellent adsorption capacity and regeneration efficiency, indicating its potential application in wastewater treatment.
ENVIRONMENTAL RESEARCH
(2022)
Article
Chemistry, Physical
Yichuan He, Yang Liu, Bin Li, Yuncheng Dong, Shiguo Wang
Summary: In this study, the surface treatment of carbon fiber using electrophoretic deposition of p-aminobenzenesulfonamide grafted carbon nanotube was investigated. The results showed that a higher concentration of p-aminobenzenesulfonamide led to a decrease in mechanical properties and an increase in oxygen-containing functional groups on the surface of carbon fiber.
SURFACE AND INTERFACE ANALYSIS
(2023)
Article
Materials Science, Textiles
N. J. R. Belino, Tra Barata, Roshan Paul
Summary: This research work aims to develop an electrospinning system for controlling the deposition of electrospun nanofibers of polyamide 6 (PA6) and polyamide 6.6 (PA6.6) by adding metal rings connected to a secondary direct current voltage power supply. The use of this system proved successful in obtaining thinner nanofibers with lower standard deviation and fewer beads.
TEXTILE RESEARCH JOURNAL
(2023)
Article
Polymer Science
Xiaoshi Zhang, John Buzinkai, Evan Quinn, Alicyn Rhoades
Summary: This study investigates the crystallization kinetics and morphology of polyamide 66 (PA66) and polyamide 6 (PA6) under high undercooling conditions. The results show that PA66 always crystallizes faster than PA6 and both polyamides exhibit a bimodal kinetics profile. The morphology of the polyamides undergoes several transitions, with PA66 showing a higher transition temperature compared to PA6. This study provides a universal explanation for the broadening of the crystallization peak observed in thermoplastics.
Article
Polymer Science
Dong-Eun Lee, Gwan Hui Lee, Na Rae Son, He-Xin Zhang, Keun-Byoung Yoon
Summary: Polymer nanocomposites containing MXene-grafted graphene oxide (MXene-g-GO) were synthesized and their effects on the properties of polyamide 6 (PA6) were studied. The modified MXene and graphene oxide were successfully hybridized and the resulting MXene-g-GO filler showed improved thermal stability, mechanical properties, and electromagnetic interference shielding efficiency. This study provides a novel polymer material for the external shell of communication devices with the potential for controlling electromagnetic waves.
IRANIAN POLYMER JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Nuno Gama, Artur Ferreira, Ana Barros-Timmons, Dmitry Evtuguin
Summary: The study focused on the sustainability of 3D-printed objects by using pine bark particles as filler reinforcement for polyamide 6, modified through a two-step chemical process. The resulting composites showed a significant increase in Young's modulus and maximum stress with the introduction of 10% modified biomass, making them suitable for 3D printing due to improved compatibility with the matrix and easier processing.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Chemistry, Analytical
Xing-Liang Cheng, Xu Xia, Qian-Qian Xu, Jun Wang, Jing-Chen Sun, Yongxing Zhang, Shan-Shan Li
Summary: In this study, FeSe2 with high electronic conductivity and large active area was successfully prepared and exhibited high sensitivity and low detection limit for PNP and ONP, showing impressive electrochemical performance attributed to the combined effect of adsorption and catalysis. The constructed FeSe2 modified electrode demonstrated superior selectivity, stability, reproducibility, and enabled the electrochemical detection of organic pollutants in water samples from subsidence areas.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Analytical
Peihong Deng, Ying Zeng, Yanping Wei, Junhua Li, Liangyuan Yao, Xia Liu, Jianhua Ding, Kanghua Li, Quanguo He
Summary: In this study, a glassy carbon electrode modified with polyethylenimine-functionalized carboxylated multi-walled carbon nanotubes (PEI-MWCNTs-COOH/GCE) was fabricated and used for the electrocatalysis of p-nitrophenol (p-NP) and o-nitrophenol (o-NP). The modified electrode exhibited improved sensitivity and selectivity due to the synergistic effect of MWCNTs-COOH and PEI. The developed sensor showed excellent reproducibility, stability, and accuracy in the determination of p-NP and o-NP in environmental water samples.
MICROCHEMICAL JOURNAL
(2023)
Article
Green & Sustainable Science & Technology
Yanan Qin, Junmei Luo, Yumeng Zhao, Congcong Yao, Yingyi Li, Qingda An, Zuoyi Xiao, Shangru Zhai
Summary: In this study, a composite biochar with enriched surface functional groups was prepared from shrimp shell and rice husk for efficient adsorption of p-nitrophenol. The composite biochar exhibited excellent adsorption performance in a wide pH range, and the pseudo-second-order kinetic model and Langmuir isotherm model were suitable for describing the adsorption behavior. The adsorption mechanisms involved chemisorption, physical adsorption, and pore filling. The tailored surface chemistry and high-efficiency of the composite biochar make it a potential candidate for water body remediation via adsorption process.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Materials Science, Composites
Himanshu Madhad, Dilip V. Vasava
Summary: Carboxyl-functionalized graphene reinforced aromatic polyamide nanocomposites were prepared and evaluated. The addition of carboxyl-functionalized graphene significantly increased the melting temperature and thermal decomposition temperature of the nanocomposites. Carboxyl-functionalized graphene played an important role in improving the thermal properties of the nanocomposites.
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2023)
Article
Engineering, Environmental
Marija Colovic, Jelena Vasiljevic, Ziga Strin, Natasa Celan Korosin, Matic Sobak, Barbara Simoncic, Andrej Demsar, Giulio Malucelli, Ivan Jerman
Summary: This study presents a novel approach for the preparation of a flame retardant polyamide 6 polymer with chemically bonded DOPO as a pendant group bridged to the polymer via an -NH- group. The chemical modification decreased the molecular weight of the polymer, improved thermal stability, and enhanced flame retardant properties of the material.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Composites
Xiping Li, Jiawen He, Zhonglue Hu, Xin Ye, Sisi Wang, Yuan Zhao, Bin Wang, Yuhui Ou, Jiazhen Zhang
Summary: In this study, high strength PA6-CF composite parts are additively manufactured by directly feeding composite pellets into a 3D printer. The effects of CF content on the rheological and mechanical properties of the composites are investigated. Mechanical tests show that CF significantly enhances the strength of the 3D-printed composites, and the results are in agreement with the analytical model.
COMPOSITES SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Physical
Youcai Hu, Qihang Peng, Tianxiang Jin, Guangyuan Ren, Zhirong Liu, Yong Qian
Summary: A novel self-crosslinking polymer-coated magnetic nanosorbent (Fe3O4@PAA) was prepared for the removal of thorium ions from aqueous solutions. The adsorbent exhibited a high adsorption rate and capacity, as well as good reusability. The extraction mechanism of thorium ions by the adsorbent was analyzed, providing valuable insights for the design and preparation of highly effective separation adsorbents.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Biochemistry & Molecular Biology
Yu Zhao, Peiqing Yuan, Xinru Xu, Jingyi Yang
Summary: ZIF-8-PhIm was prepared for the removal of p-nitrophenol from petrochemical wastewater. It exhibited stronger interactions, a multistage pore structure, increased hydrophilicity, and higher adsorption capacity compared to ZIF-8 materials. The adsorption process was described by the Langmuir isotherm and pseudo-second-order kinetic models, and hydrogen bonding and p-p interactions played a dominant role.
Article
Chemistry, Physical
Majid Abdiani, Ebrahim Abouzari-Lotf, Teo Ming Ting, Pooria Moozarm Nia, Saidatul Sophia Sha'rani, Abbas Shockravi, Arshad Ahmad
JOURNAL OF POWER SOURCES
(2019)
Article
Polymer Science
Nor Azillah Fatimah Othman, Sarala Selambakkannu, Teo Ming Ting, Azian Hashim, Tuan Amran Tuan Abdullah
JOURNAL OF POLYMER RESEARCH
(2019)
Article
Materials Science, Textiles
Sarala Selambakkannu, Nor Azillah Fatimah Othman, Khomsaton Abu Bakar, Ting Teo Ming, Reshina Devi Segar, Zulhairun Abdul Karim
FIBERS AND POLYMERS
(2019)
Article
Chemistry, Physical
Nur Afifah Zubair, Mohamed Mahmoud Nasef, Noor Ashikin Mohamad, Ebrahim Abouzari-Lotf, Teo Ming Ting, Ezzat Chan Abdullah
RADIATION PHYSICS AND CHEMISTRY
(2020)
Article
Chemistry, Physical
Haruna Kolawole Afolabi, Mohamed Mahmoud Nasef, Nik Abdul Hadi Sapiaa, Noorfidza Yub Harun, Teo Ming Ting, Teh Tong Hui
Summary: An adsorbent with high boron selectivity was prepared by modification of fibrous polyethylene/polypropylene nonwoven sheet via radiation induced grafting of NVF followed by hydrolysis and functionalization. The fibrous adsorbent with fully hydrolyzed P(NVF) grafts exhibited superior boron adsorption capacity compared to other counterparts at pH 7.
RADIATION PHYSICS AND CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Noresah Said, Ying Siew Khoo, Woei Jye Lau, Mehmet Gursoy, Mustafa Karaman, Teo Ming Ting, Ebrahim Abouzari-Lotf, Ahmad Fauzi Ismail
Review
Polymer Science
Mohamed Mahmoud Nasef, Bhuvanesh Gupta, Kamyar Shameli, Chetna Verma, Roshafima Rasit Ali, Teo Ming Ting
Summary: The interest in developing antimicrobial surfaces is growing, and radiation-induced graft copolymerization (RIGC) is a powerful technique to permanently impart desired antimicrobial properties to polymer substrates. This review discusses the strategies for designing antimicrobial polymeric surfaces using RIGC methods and their applications in various fields.
Article
Chemistry, Physical
Haruna Kolawole Afolabi, Mohamed Mahmoud Nasef, Nik Abdul Hadi Md Nordin, Teo Ming Ting, Noorfidza Yub Harun, Amin Abbasi
Summary: A boron-selective adsorbent was prepared through radiation induced graft copolymerization, demonstrating excellent adsorption properties with controlled content of hydrolyzed poly(N-vinylformamide) grafts. The adsorbent showed appealing stability and high adsorption capacity, making it highly effective for boron removal from aqueous solutions.
RADIATION PHYSICS AND CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Haruna Kolawole Afolabi, Mohamed Mahmoud Nasef, Nik Abdul Hadi Md Nordin, Teo Ming Ting, Noorfidza Yub Harun, Anwar Ameen Hezam Saeed
Summary: A fibrous boron chelator, PE/PP-g-PVAm-G, was prepared by grafting NVF onto PE/PP non-woven sheet and immobilizing glycidol moiety. The chelator showed high boron selectivity and efficient regeneration after adsorption/desorption cycles, making it promising for boron removal from aqueous media. The optimization of glycidol density and investigation of boron adsorption isotherms, kinetics, and thermodynamic behavior were also conducted.
ARABIAN JOURNAL OF CHEMISTRY
(2021)
Article
Engineering, Environmental
Teo Ming Ting, Mohamed Mahmoud Nasef, Deepalakshmi Aravindan, Mohd Azhar Ahmad, Mukhlis Mokhtar, Nur Athilah Kamarudin, Anis Fatina Abd Rahman
Summary: The study found that the fibrous adsorbent had higher adsorption capacity for boron removal from aqueous solutions compared to the granular resin, and its adsorption capacity increased with the increase in space velocity. Experimental results showed that the fibrous adsorbent could establish breakthrough curves using the MDR model and remained stable after 10 cycles of adsorption/desorption.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Shihab Ezzuldin M. Saber, Siti Nurul Ain Md Jamil, Luqman Chuah Abdullah, Thomas Shean Yaw Choong, Teo Ming Ting
Summary: The study demonstrated that AO-modified poly(AN-co-AA) is an effective adsorbent for removing PNP from aqueous solutions, showing good adsorption performance and high regeneration efficiency.
Article
Engineering, Environmental
Teo Ming Ting, Mohamed Mahmoud Nasef, Deepalakshmi Aravindan, Izzatul Farah Nadiah Rosslan, Nurfazira Ruslan
Summary: The study investigated the removal of boron from real industrial wastewater containing high concentration of ammonia using a fibrous adsorbent bearing glucamine groups obtained by green method. The obtained adsorbent was tested for adsorption performance in comparison with a synthetic aqueous solution in a fixed bed-column. The results showed that the experimental breakthrough curves were best fitted by the Modified Dose-Response (MDR) model.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Engineering, Chemical
Nor Azillah Fatimah Othman, Sarala Selambakkannu, Ting Teo Ming, Nor Hasimah Mohamed, Takeshi Yamanobe, Noriaki Seko
DESALINATION AND WATER TREATMENT
(2020)
Article
Engineering, Environmental
Sarala Selambakkannu, Nor Azillah Fatimah Othman, Teo Ming Ting, Nor Hasimah Mohamed, Azian Hashim, Zulhairun Abdul Karim
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2020)