Article
Polymer Science
Jaehyeon Park, Sukyoung Kim, Shim Sung Lee, Jong-Hyun Kim, Joung-Man Park, Ji Ha Lee, Jong Hwa Jung
Summary: This study focused on controlling the stretching property of gels by adjusting the water content in the solvent system. The research found that the storage and loss moduli of gels prepared in solvent systems with different water contents exhibited significant changes. This novel approach shows potential for the development of new soft materials with finely controllable mechanical properties.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Applied
Amy Lossen, Maria Camila Montoya-Ospina, Henk Verhoogt, Tim A. A. Osswald
Summary: Four vitrimers were synthesized using a two-step method with polyethylene-glycidyl methacrylate copolymer and 3,3'-dithiodipropionic acid. Rheological experiments revealed different behavior depending on the applied angular frequency, which is likely due to the presence of a crosslinked network. An ongoing reaction was observed during the tests, all of which were conducted above the melting temperature. Thermal and mechanical tests showed that increasing crosslink density resulted in a decrease in yield strength.
JOURNAL OF VINYL & ADDITIVE TECHNOLOGY
(2023)
Article
Chemistry, Applied
Xudong Yang, Chuo Guo, Yali Yang, Kai Yuan, Xi Yang, Yurong Guo
Summary: NPGP, a pectic polysaccharide with high galacturonic acid content, can form self-supporting gels when acidified and cooled. The decrease in pH promotes pectin chain-chain association mainly through hydrogen bonding, leading to increased gel strength and thermal stability. Sucrose slightly enhances gelation of NPGP, while the presence of monovalent and divalent ions has insignificant effects.
Article
Polymer Science
Anandarup Bhattacharyya, Nitish Mishra, Tuhin Dolui, Jagannath Chanda, Prasenjit Ghosh, Rabindra Mukhopadhyay
Summary: The crack growth behavior of different filled rubber materials was studied, and it was found that the 80/20 NR-SBR compound exhibited the lowest crack growth rate and the highest viscous energy dissipation, indicating the best fatigue resistance.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Polymer Science
Huan Lin, Jianming Shao, Lihai Cai, Wenyan Liu, Wanli Li, Xia Dong
Summary: The shape effect of particles and their shear-thickening mechanism are crucial to shear thickening gels (STG) for practical applications. Nanoparticles have a more pronounced enhancement effect on the shear-thickening properties of STG compared to micrometer and millimeter-sized particles, significantly improving the mechanical properties, especially compression and impact resistance.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Polymer Science
Theresa Fischer, Susana Suttor, Salma Mansi, Lucas Osthues, Petra Mela
Summary: In this study, photocatalytically active nanoparticles were added to silicone rubber matrix materials to produce elastic antibacterial bulk materials. The experimental results showed that these materials have significant antibacterial effects, with reductions of up to >99.999%.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Didem Demir, Sadin Ozdemir, Serpil Gonca, Nimet Bolgen
Summary: A novel cryogel scaffold loaded with styrax liquidus gum with antimicrobial and antioxidant properties was developed for potential tissue engineering applications. The styrax incorporated cryogels show promise for antimicrobial systems due to their chelating activity and high antioxidant, anti-biofilm, and antimicrobial properties.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Polymer Science
Rafaela Said dos Santos, Jessica Bassi da Silva, Helen Cassia Rosseto, Camila Felix Vecchi, Katieli da Silva Souza Campanholi, Wilker Caetano, Marcos Luciano Bruschi
Summary: Emulgels are formed by entrapping an organic phase within a 3D network of hydrophilic molecules. Polymers like cross-linked poly(acrylic acid) have been utilized to improve adhesiveness and mechanical performance. This study investigated the effect of different vegetable oils on the physicochemical properties of emulgels, showing that systems containing andiroba or passion fruit oil exhibited high stability. Mechanical and rheological characteristics provided insights into the impact of vegetable oils and bioactive agents on the structure of emulsion gels.
Article
Polymer Science
Yusuke Yasuda, Shintaro Nakagawa, Hirohiko Houjou, Naoko Yoshie, Hiroshi Morita
Summary: This study observed and analyzed the dynamics of dynamic bond elastomers using models and simulations. The toughness and self-healing properties of these materials can be tuned by controlling the association-dissociation dynamics.
Article
Polymer Science
Pan Xu, Yi Zong, Zhijie Shang, Meiling Yao, Pingde Liu, Xinxue Li
Summary: This study investigated the effect of modified SiO2 nanoparticles on the mechanical properties of hydrogels. The results showed that the hydrogel exhibited excellent mechanical performance and strong acid-base resistance.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Materials Science, Composites
Zhiqiang Lei, Yankang Wu, Liping Tang, Jian Chen
Summary: The synthesis and application of metal-organic skeleton materials (MOFs) have attracted much attention due to their special structures and properties. This study explores the application prospect of MOFs materials in the field of rubber and provides a simple synthesis route for the preparation of ZnO nanofillers for high performance SBR composites. The experimental results demonstrate that MOF-Zn@ZnO/SBR composites exhibit excellent performance and can serve as an effective vulcanization activator in rubber.
POLYMER COMPOSITES
(2022)
Article
Chemistry, Applied
Oni Yuliarti, Aan Dwi Sentana, Chen Yu Ong, Zakyyah Abdol Rahim Yassin, Lisa Ng, Wen Min Koh
Summary: In this study, the physicochemical and gelation properties of Indonesian dried cottonii seaweed were evaluated. The non-starch polysaccharide in the seaweed mainly consists of galactose with sulfate groups. The addition of KCl produced the strongest and most cohesive gel network, while the addition of coconut milk enhanced gel elastic properties with 0.25% w/w as the optimal concentration. The combination of KCl and coconut milk has potential applications in cottonii-seaweed pudding gels.
FOOD HYDROCOLLOIDS
(2023)
Article
Polymer Science
Yongxin Ge, Ximan Bu, Lei Wang, Linlin Wu, Xiaofeng Ma, Wenjing Diao, Duyou Lu
Summary: This study presents the synthesis of ultra-tough and recoverable ionogels with superior electrochemical properties for flexible devices, achieved through reversible sacrificial bonds in a chemically and interpolymer hydrogen-bonding hybrid crosslinked network. The ionogels exhibit high tensile strength, toughness, stretchability, and recovery, as well as high ionic conductivity, making them suitable for high-performance flexible supercapacitors.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Physical
Hao Wu, Jijiang Ge, Liu Yang, Tianci Zhang, Hongbin Guo, Longjie Li
Summary: This study investigates the impact of entanglement on the mechanical properties of partially hydrolyzed polyacrylamide gels. In entangled gels, a power law with an exponent of 2.3 dominates the relationship between the plateau modulus and polymer concentration. Conversely, the exponent of the power law is determined by the crosslinking density in unentangled gels. Using an in-situ gelling method, the strain hardening behavior of partially hydrolyzed polyacrylamide gels was observed. It was found that the strain hardening behavior is controllable by the gel component but insensitive to frequency. Gels with higher polymer concentration generally exhibit weaker stiffening tendencies and tend to fracture at lower strain. However, the concentration dependence of non-linear rheology and fracture properties is discontinuous around the entanglement concentration. This can be attributed to the conversion of crosslinking type, from inter-crosslinking to intra-crosslinking, promoted by entanglements. As a result, the fracture stress significantly decreases when the polymer concentration exceeds the entanglement concentration. This article highlights the importance of entanglements in the fracture toughness of polymer gels and provides suggestions for further studies.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Polymer Science
Dominique Collin, Ganesh Viswanatha-Pillai, Andreas Vargas Jentzsch, Odile Gavat, Emilie Moulin, Nicolas Giuseppone, Jean-Michel Guenet
Summary: This study reports on the rheological properties of organic gels prepared from TATA and OPVOH molecules. It is found that TATA/PVC ternary gels generally exceed the Voigt upper limit, possibly due to a desolvation process occurring in PVC fibrils. Furthermore, the conducting properties strongly depend on the solvent type but are not significantly altered when PVC is present.
Article
Chemistry, Applied
Saminu M. Magami, Peter K. T. Oldring, Laurence Castle, James T. Guthrie
FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT
(2015)
Article
Chemistry, Applied
Saminu Musa Magami, Peter K. T. Oldring, Laurence Castle, James Thomas Guthrie
PROGRESS IN ORGANIC COATINGS
(2015)
Article
Chemistry, Applied
Saminu Musa Magami, Peter K. T. Oldring, Laurence Castle, James Thomas Guthrie
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
(2014)
Article
Polymer Science
Saminu M. Magami, Rhodri L. Williams
JOURNAL OF APPLIED POLYMER SCIENCE
(2019)
Article
Energy & Fuels
Maje Alhaji Haruna, Zhongliang Hu, Hui Gao, Jabbar Gardy, Saminu Musa Magami, Dongsheng Wen
Article
Polymer Science
Saminu M. Magami, Rhodri L. Williams
POLYMER INTERNATIONAL
(2019)
Article
Materials Science, Multidisciplinary
Khaled A. Elsayed, K. H. Mahmoud, Shamsuddeen A. Haladu, Saminu Musa Magami, Abdullah A. Manda, T. S. Kayed, Abbad Al Baroot, Mohd Yusuf Khan, Emre Cevik, Q. A. Drmosh, A. Elhassan
Summary: This study employed pulsed laser ablation to produce cellulose acetate butyrate-gold (CAB-Au) nanocomposite films and evaluated their structural and thermal characteristics using various analysis techniques. The properties of the nanocomposite films, such as dielectric behavior, refractive index, and color properties, were investigated at different frequencies and wavelengths. The results showed that the CAB-Au nanocomposites had higher thermal stabilities and exhibited unique electrical and optical properties due to the incorporation of gold nanoparticles. The study also found a relationship between the amount of gold incorporated in the nanocomposites and their refractive index and color properties.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Chemistry, Multidisciplinary
Abbad Al Baroot, Shamsuddeen A. Haladu, Saminu Musa Magami, Sultan Akhtar, Q. A. Drmosh, Khaled A. Elsayed, Abdullah A. Manda
Summary: Sequestration of organic pollutants using nano-photocatalysts is an efficient and cost-effective approach for wastewater treatment. Ag/TiO2/SiO2 nanocomposites containing different loads of Ag were prepared using a laser ablation technique. The nanocomposites showed enhanced photocatalytic performance in degrading methylene blue due to the presence of Ag, which improved the separation of photogenerated electron/hole pairs. This study demonstrates the feasibility of laser ablation in fabricating excellent-performing photocatalytic materials.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Proceedings Paper
Construction & Building Technology
Saminu M. Magami
2017 INTERNATIONAL CONFERENCE ON BUILDING MATERIALS AND MATERIALS ENGINEERING (ICBMM 2017)
(2017)
Article
Chemistry, Applied
Saminu Musa Magami
SURFACE COATINGS INTERNATIONAL
(2014)
Article
Chemistry, Applied
S. M. Magami
SURFACE COATINGS INTERNATIONAL
(2013)
Article
Chemistry, Applied
S. M. Magami
SURFACE COATINGS INTERNATIONAL
(2013)
Article
Chemistry, Applied
S. M. Magami, J. T. Guthrie
SURFACE COATINGS INTERNATIONAL
(2012)