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Review
Archaeology
Aditya Prakash Kanth et al.
Summary: Research in nanotechnology has expanded the application of nanomaterials and nanocomposites in various sectors. It has also been utilized in heritage conservation for the development of materials at the nanoscale and methods for conservation and restoration of cultural artifacts. Nanocomposites have gained attention for their efficiency and usage in cleaning, consolidation, adhesive, and protective coating. They contribute to the safety of conservators and the target artwork due to their low toxicity and usage in low amounts. This paper discusses the essential aspects and applications of nanocomposites in the conservation of diverse heritage materials.
JOURNAL OF CULTURAL HERITAGE
(2023)
Article
Materials Science, Multidisciplinary
Xiaojing Xia et al.
Summary: This study shows the potential application of coatings in protecting buildings from harmful atmospheric effects through a self-cleaning approach. A SiO2-TiO2-PDMS composite coating was prepared on building walls using the sol-gel method. The effects of TEOS and PDMS content on the microstructure, wettability, and self-cleaning performance of the coating were investigated. The results indicated that when the molar ratio of PDMS to TEOS was 1:5, the coating exhibited a maximum static contact angle of 152.6 degrees and showed good self-cleaning ability.
Article
Materials Science, Ceramics
Carmen Salazar-Hernandez et al.
Summary: This review provides an overview of the application of sol-gel technology in stone conservation, discussing its underlying physics and chemistry, as well as its use in stone conservation. The review also highlights the impact of sol-gel parameters on silica polymerization within the stone, and in synthesis and mechanical behavior. The promising results of sol-gel technology in the preservation of old buildings have led to increased research in this field. Overall, this review demonstrates the potential of sol-gel technology in investigating and enhancing stone conservation.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Aldo Cordoba et al.
Summary: The investigation focused on the synthesis of nanocomposite polymers reinforced with TiO2 and SiO2 nanoparticles at different concentrations. The interaction between the nanoparticles and the polymer matrix resulted in improved mechanical properties with low weight concentrations. The crystalline and morphological properties of the nanoparticles were characterized, and the molecular structure of the coatings was analyzed. The crosslinking efficiency, hydrophobicity, and adhesion of the nanocomposites were evaluated, and mechanical tests showed significant increases in hardness, elastic modulus, and tensile strength with increasing nanoparticle concentration while maintaining ductility.
Editorial Material
Materials Science, Multidisciplinary
Maduka L. Weththimuni et al.
Article
Materials Science, Multidisciplinary
Daibin Tang et al.
Summary: This study successfully prepared a fluorine-free superhydrophobic cotton fabric with low energy consumption and high separation efficiency, using hydroxyl-capped polydimethylsiloxane (PDMS-OH), tetraethoxysilane (TEOS), and stearic acid (STA) as precursors. The cross-linking reactions between PDMS-OH and hydrolyzed TEOS enabled a strong interaction between PDMS-OH and cotton fabric, while the introduction of STA created a suitable roughness surface. The PDMS/STA-coated cotton fabric exhibited a contact angle of 158.7 degrees and showed excellent oil/water separation efficiency of over 90% even after 10 cycles of separation.
Article
Agricultural Engineering
Farah Athena Zakaria et al.
Summary: Hybrid sol-gel coatings consisting of TEOS-PDMS molecular precursors doped with winged bean extracts were synthesized for the corrosion protection of reinforcing steel in a 0.5 M HCl medium. The doped hybrid coatings exhibited superior corrosion protection performance compared to the undoped TEOS-PDMS coatings, as determined by various electrochemical techniques. The study also examined the morphology, structure, and characteristics of the developed sol-gel coatings using different analytical techniques.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Materials Science, Coatings & Films
Yinchun Fang et al.
Summary: This study used bio-based phytic acid (PA) and gelatine (G) to improve the flame retardancy and anti-dripping properties of polyethylene terephthalate (PET) fabric. The coated PET fabric showed a limiting oxygen index (LOI) value greater than 29.5% and no dripping phenomenon, indicating significant improvement in flame retardancy and anti-dripping properties. The PA/G coating altered the decomposition stability and degradation process of PET fabric, promoting the formation of a stable char. The coating formed an intumescent flame retardant (IFR) system on PET fabric, functioning through the IFR mechanism.
SURFACE ENGINEERING
(2023)
Article
Polymer Science
Silvia Sfameni et al.
Summary: Polyester fibers have wide applications due to their durability, strength, and flexibility. However, they have limitations in dyeability, coating adhesion, hydrophilicity, and wettability compared to natural fibers. In this work, a sustainable approach using non-fluorinated coatings was developed to improve the surface properties of polyester fabrics. The fabrics were treated with a water-based superhydrophobic finishing using (3-glycidyloxypropyl)trimethoxysilane (GPTMS) and long alkyl-chain alkoxysilanes. The finished fabrics showed high water-based stain resistance and good hydrophobicity even after multiple cycles of abrasion.
Review
Chemistry, Applied
Nurul Hidayah Abu Bakar et al.
Summary: The sol-gel method, which has been widely used in various applications since the 1960s, continues to attract growing interest. This review focuses on water-based and typical solvent-based sol-gel methods, particularly in the context of protective fabric coatings. The advantages, limitations, and potential future developments of the sol-gel method are discussed, along with the effects of using water instead of organic solvents on the characteristics and properties of sol-gel materials.
BIOINTERFACE RESEARCH IN APPLIED CHEMISTRY
(2023)
Article
Chemistry, Physical
Yuting Zhao et al.
Summary: This work demonstrates an eco-friendly and robust superhydrophobic coating based on siloxane-modified hyperbranched waterborne polyurethane (Si-HBPU) and fluorinated silica nanoparticles (F-SiO2). The coating shows excellent water repellency and mechanical robustness, and is capable of maintaining superhydrophobicity even after sandpaper abrasion. Additionally, it exhibits outstanding anti-icing/deicing performance and scratch resistance, anti-fouling, and anti-corrosion properties.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Yuxuan Zhang et al.
Summary: This study fabricated superhydrophobic composite coatings with self-cleaning properties by mixing fluorine resin, carbon nanotubes, and SiO2 nanoparticles. The results showed that the superhydrophobic composite coatings exhibited the best self-cleaning performance and contact angle hysteresis at a mass ratio of CNTs to SiO2 of 2:3 and a nanoparticle addition of 75 wt. %. Furthermore, the coatings demonstrated good chemical resistance, thermal stability, and mechanical stability.
APPLIED SCIENCES-BASEL
(2022)
Article
Engineering, Chemical
Lihui Xu et al.
Summary: A durable superamphiphobic cotton fabric was successfully obtained by coating SiO2 aerogel particles, polydimethylsiloxane, and perfluorooctyltriethoxysilane on a cotton fabric. The coated fabric exhibited porous rough surface structure and low surface energy, showing excellent self-cleaning and stain-resistance properties. The fabric also demonstrated good durability and maintained superamphiphobicity even after mechanical abrasion or UV irradiation.
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Physical
Yang Liu et al.
Summary: In this study, a highly waterproof concrete surface coating was prepared using the sol-gel method by compounding organic and inorganic materials. The composite coating showed improved water resistance and resistance against corrosion through further modification.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Materials Science, Textiles
Selvakumar Gopalsamy et al.
Summary: A simple, durable, superior cotton fabric with UV-shielding, self-cleaning, hydrophobic/superoleophile properties was developed using SBA-15 mesoporous silica and epoxy coating. The coated fabric exhibited high water contact angle and low surface free energy. As a filtration membrane, the fabric showed excellent oil-water separation efficiency and high flux. The coating also provided durability and protection to the fabric.
JOURNAL OF INDUSTRIAL TEXTILES
(2022)
Article
Chemistry, Applied
Xueya Liu et al.
Summary: In this study, a water-based reversible wettability coating was fabricated by spraying a water suspension consisting of modified titanium dioxide nanoparticles and cellulose. The coated surface showed good adhesion and stability, and could switch between superhydrophobicity and superhydrophilicity. It also demonstrated high efficiency in separating oil-water mixtures and emulsions, as well as degrading soluble pollutants in water under UV irradiation.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Materials Science, Multidisciplinary
Mahdi Hasanzadeh et al.
Summary: This study aimed to fabricate superhydrophobic fabric using a simple immersion technique. Silica nanoparticles prepared from tetraethoxysilane (TEOS) were coated on textile fabrics to achieve sufficient roughness and hydrophobic surface chemistry. The coated fabrics were further treated with polydimethylsiloxane (PDMS) and aminopropyltriethoxysilane (APTES) to reduce surface energy. The effects of PDMS concentration on the surface morphology and superhydrophobicity of the fabric were investigated. Characterization of the superhydrophobic fabric revealed the formation of spherical silica nanoparticles with an average size of 250 nm on the fabric surface. The hydrophobicity of the treated fabric, measured through water contact angle, showed excellent water repellency with a high contact angle of 151 degrees and a low sliding angle. The treated fabric also maintained its hydrophobicity after repeated washing cycles. Additionally, the comfort properties of the superhydrophobic fabric were not significantly affected.
Article
Biochemistry & Molecular Biology
Guo-Liang Zhuang et al.
Summary: The study focuses on the effects of green processes in hybrid PDMS membranes on CO2 separation. It is found that controlling reaction time can help in fabricating symmetric membranes with a uniform and dense selective layer. A higher TEOS concentration decreases reaction time and allows for a fully crosslinked structure, leading to more efficient CO2/N2 separation. Additionally, membranes prepared at a high curing temperature of 120 degrees C showed improved separation performance, with excellent CO2 permeance and selectivity.
Article
Materials Science, Multidisciplinary
Xiaoli Liu et al.
Summary: The study utilized a dip-coating method to fabricate durable PDMS/STA/SiO2 superhydrophobic fabric, demonstrating excellent superhydrophobicity without affecting the color fastness of the fabric.
Review
Chemistry, Physical
Matteo Poddighe et al.
Summary: The fabrication of hydrophobic thin films from a liquid phase is a widely discussed topic with critical technological issues. The interest in producing hydrophobic surfaces is growing steadily due to their vast applications in various industrial fields. The synthesis of hydrophobic films through sol-gel processing allows for multifunctional design and fine-tuning of properties, leading to significant advancements in the field.
Article
Multidisciplinary Sciences
Pran Krisna Saha et al.
Summary: This research aimed to fabricate hydrophobic nonwoven fabrics using low-cost and nontoxic materials. The experiment showed that treated cotton fabrics exhibited excellent chemical stability and outstanding non-wettability, with potential for large-scale production for new industrial applications.
SN APPLIED SCIENCES
(2021)
Article
Chemistry, Applied
Xiangwei Kong et al.
PROGRESS IN ORGANIC COATINGS
(2020)
Article
Materials Science, Multidisciplinary
Kali Kapetanaki et al.
FRONTIERS IN MATERIALS
(2020)
Article
Polymer Science
Justyna Szulc et al.
Article
Chemistry, Applied
F. X. Perrin et al.
PROGRESS IN ORGANIC COATINGS
(2020)
Review
Chemistry, Physical
Aravin Prince Periyasamy et al.
Article
Biochemistry & Molecular Biology
Raha Saremi et al.
Article
Polymer Science
Alena Juraskova et al.
JOURNAL OF POLYMER RESEARCH
(2020)
Review
Polymer Science
Ahmed A. Issa et al.
Article
Chemistry, Applied
Lixiang Shen et al.
REACTIVE & FUNCTIONAL POLYMERS
(2019)
Article
Chemistry, Multidisciplinary
Minghui Zuo et al.
Article
Chemistry, Physical
Dongmei Lin et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2019)
Article
Chemistry, Physical
Xiuli Dong et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2019)
Article
Chemistry, Physical
Mingming Liu et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2018)
Article
Materials Science, Multidisciplinary
Xiaodan Chen et al.
JOURNAL OF MATERIALS SCIENCE
(2018)
Article
Chemistry, Applied
Xiaofeng Liao et al.
PROGRESS IN ORGANIC COATINGS
(2018)
Article
Polymer Science
Ali A. Rownaghi et al.
JOURNAL OF APPLIED POLYMER SCIENCE
(2017)
Article
Polymer Science
Arsheen Moiz et al.
Article
Materials Science, Paper & Wood
Aicha Boukhriss et al.
Review
Polymer Science
Thierry Woignier et al.
Article
Chemistry, Organic
Yunus Bekdemir et al.
JOURNAL OF PHYSICAL ORGANIC CHEMISTRY
(2014)
Article
Chemistry, Physical
Dan Li et al.
APPLIED SURFACE SCIENCE
(2013)
Article
Engineering, Electrical & Electronic
Jihoon Lee et al.
JOURNAL OF MICROMECHANICS AND MICROENGINEERING
(2013)
Article
Biotechnology & Applied Microbiology
Leah M. Johnson et al.
JOURNAL OF NANOBIOTECHNOLOGY
(2013)
Article
Materials Science, Ceramics
Wan Aini Wan Ibrahim et al.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2011)
Article
Materials Science, Ceramics
P Innocenzi
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2003)
