Article
Engineering, Geological
Hongjie Lin, Sergio D. N. Lourenco
Summary: The study found that hydrophobized sands degrade under elevated temperature and prolonged water immersion, with varying levels of stability among different coatings. Increasing the concentration of hydrophobizing compounds can minimize degradation during cyclic wetting-drying processes. Freezing-thawing has a negligible effect on hydrophobicity.
Article
Environmental Sciences
Bernardo Catita Gil, Giovanni Borsoi, Joao Luis Parracha, Amelia Dionisio, Rosario Veiga, Ines Flores-Colen
Summary: External Thermal Insulation Composite Systems (ETICS) are commonly used to enhance building thermal performance, but they can often suffer from anomalies and graffiti vandalism. Conventional graffiti removal methods may damage the durability of ETICS, making the use of anti-graffiti products a potential protection method. However, comprehensive studies on these substrates are lacking. This study evaluated the effectiveness, compatibility, and durability of three anti-graffiti products on different ETICS. Results showed that acrylic-based finishing coats and (semi) permanent anti-graffiti products were effective in graffiti removal, but their effectiveness decreased after aging. Lime-based or silicate-based finishing coats showed unsatisfactory graffiti cleaning and altered water transport properties.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Bernardo Catita Gil, Giovanni Borsoi, Joao Luis Parracha, Amelia Dionisio, Rosario Veiga, Ines Flores-Colen
Summary: External Thermal Insulation Composite Systems (ETICS) are widely used construction solutions for enhancing building thermal performance. However, ETICS can often experience problems such as stains, microcracks, and graffiti. This study evaluates the effectiveness, compatibility, and durability of three anti-graffiti products applied on different ETICS. The results indicate that acrylic-based ETICS with semi-permanent anti-graffiti products show efficient graffiti removal, but the effectiveness may decrease after aging. On the other hand, lime-based or silicate-based ETICS exhibit unsatisfactory graffiti cleaning and significant alteration of water transport properties.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Materials Science, Multidisciplinary
Andrea Marinelli, Maria Vittoria Diamanti, Andrea Lucotti, Maria Pia Pedeferri, Barbara Del Curto
Summary: This study presents a method of improving the water-barrier performance of corrugated cardboard furniture by spray-coating it with three different types of coatings. The results show promising prospects for the outdoor application of this furniture, based on evaluations of coating performance and color changes.
Article
Green & Sustainable Science & Technology
Valentina Roviello, Aurelio Bifulco, Abner Colella, Fabio Iucolano, Domenico Caputo, Antonio Aronne, Barbara Liguori
Summary: Graffiti vandalism is a harmful phenomenon for buildings and cultural heritage, and new non-invasive chemical approaches are being explored to combat this issue. This study tested two commercial anti-graffiti products on natural building materials and found that the nanotechnological product Ector was more effective, although its permanent nature limits its applicability to cultural heritage. The less effective Nord Resine could be used in cultural heritage protection due to its sacrificial properties.
Article
Materials Science, Ceramics
Roberta Occhipinti, Maria Cristina Caggiani, Lavinia de Ferri, Zhuo Xu, Calin Constantin Steindal, Nima Razavi, Fabrizio Andriulo, Paolo Mazzoleni, Germana Barone
Summary: This study investigates the structural properties of geopolymers made from locally available volcanic feedstocks for the development of sustainable non-structural building materials. Geopolymer binders and mortars based on volcanic pyroclastic residues from Mt. Etna were examined to assess their response to natural weathering. The results show that volcanic ash-based geopolymers have a better resistance to weathering in the hot summer Mediterranean climate zone compared to ghiara-based products.
CERAMICS INTERNATIONAL
(2023)
Article
Polymer Science
Jiayi Shen, Junfei Ou, Sheng Lei, Yating Hu, Fajun Wang, Xinzuo Fang, Changquan Li, Wen Li, Alidad Amirfazli
Summary: In this study, a robust slippery coating was developed with excellent water repellency, high transparency, exceptional adherence, and remarkable hardness. The coating is flexible, foldable, and maintains durability even when subjected to abrasion, water jetting, high temperature, and UV irradiation. It can be used in anti-icing, anti-graffiti, and anti-sticking applications.
Article
Chemistry, Physical
Wenrui Dong, Bucheng Li, Jinfei Wei, Ning Tian, Weidong Liang, Junping Zhang
Summary: A new type of smooth anti-fouling coatings based on methyltrimethoxysilane was developed, showing excellent anti-fouling properties and potential applications. These transparent coatings not only effectively prevent fouling, but also exhibit good mechanical, chemical, and thermal stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Applied
Peng Gao, Yanling Wang, Han Wang, Jing Wang, Xuehu Men, Zhaozhu Zhang, Yao Lu
Summary: This study investigates a high-transparency, anti-fouling coating that can be rapidly prepared at room temperature using a simple brushing process, showing good resistance to graffiti, flexibility, anti-reflection, and corrosion. Durability tests demonstrate the coating's consistent performance in various harsh environments.
PROGRESS IN ORGANIC COATINGS
(2021)
Article
Chemistry, Multidisciplinary
Mariateresa Lettieri, Maurizio Masieri, Mariaenrica Frigione
Summary: The experimental nano-filled product showed outstanding performance in protecting stone surfaces against graffiti and used smaller amounts of product compared to commercial systems.
Article
Nanoscience & Nanotechnology
Chai Yumei, Wang Gang, Shi Pei, Hongjie Luo, Zhao Xichen, Zhang Biao, Jianfeng Zhu
Summary: By spraying ZnO-NPs and SiO2-NPs onto stone surfaces, a functional nanocomposite coating (FZS coating) with excellent amphiphobicity and weathering stability was achieved. The coating maintained its hydrophobicity nearly unchanged after UV aging tests, demonstrating high UV absorption capacity and durability.
ACS APPLIED NANO MATERIALS
(2022)
Review
Chemistry, Applied
Shweta Amrutkar, Aarti More, Siddhesh Mestry, S. T. Mhaske
Summary: An anti-graffiti coating is a protective layer applied on surfaces to prevent vandalism. It can be applied on various materials and is classified into permanent, semi-permanent, and sacrificial coatings. Hybrid polymers containing silane or siloxane and fluoropolymers-based compounds are a promising direction in the future AGC market.
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
(2022)
Article
Construction & Building Technology
C. Thomas, P. Tamayo, J. Setien, D. Ferreno, J. A. Polanco, J. Rico
Summary: The study investigated the use of small-scale specimens in concrete design and testing, highlighting the potential benefits of cost and time savings but also the challenges in reproducing experimental properties accurately. By applying a change of scale to the aggregates, the differences between standard and small-scale specimens were mitigated. Results indicated that small-scale specimens, after durability and thermal exposure tests, can be used to characterize the performance of concretes effectively.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Article
Chemistry, Applied
Guang Yang, Zhimin Zhang, Chengqiang Li, Jianqing Hu
Summary: This article introduces a simple method to fabricate highly transparent omniphobic coatings using PDMS as a low-surface-tension reagent incorporated into the polyurethane matrix. The coating shows excellent repellency to liquids with surface tensions higher than 20mN/m and has self-cleaning performance. It can be easily applied to various substrates without affecting its ink repellency, especially for fabric with anti-smudge performance.
PROGRESS IN ORGANIC COATINGS
(2023)
Article
Materials Science, Ceramics
Lenke Kocs, Mohammad H. Jilavi, Dirk Beckelmann, Bruno Schaefer, Alexander May, Marcus Koch, Peter W. de Oliveira
Summary: A new water-based silica sol was developed for single-layer anti-reflective coatings, reducing solvent waste. The coating exhibited excellent performance on glass substrates, with homogenous layer thickness distribution and good surface wetting.
CERAMICS INTERNATIONAL
(2022)
Article
Thermodynamics
Moises Martin-Garrido, Sagrario Martinez-Ramirez
Summary: Calcium silicate hydrate gel (C-S-H) was synthesized using the double decomposition method for its simplicity and quickness. Analysis using various spectroscopy methods showed changes in the gel structure over time, including polymerization and a decrease in the Ca/Si ratio. The DTA/TG/MS analysis revealed a mass loss due to CO2 adsorption on the gel at temperatures below 400 degrees C.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Editorial Material
Geography, Physical
Stephen Tooth, Heather A. Viles
Summary: Addressing EDI is crucial for the sustainable development of geomorphology, enabling it to adapt to changing external circumstances, remain vibrant, and attract a wider cross-section of society.
EARTH SURFACE PROCESSES AND LANDFORMS
(2021)
Article
Geography, Physical
Andrew S. Goudie, Alice M. Goudie, Heather A. Viles
Summary: This paper describes the widespread distribution and characteristics of star dunes in arid regions around the world, including East Asia, Western Asia, the Americas, southern Africa, and northern Africa. Star dunes exhibit a variety of forms, such as simple pyramids, complex features, and checkerboard patterns. They mainly develop in areas with low rainfall, variable wind directions, and topographic barriers.
Article
Plant Sciences
Jose Alvarez, Sagrario Martinez-Ramirez, Elvira Martinez
Summary: The combination of Micro-Raman spectroscopy with magneto-priming is an effective method for studying the chemical composition of Triticale seeds, revealing more compounds with a particularly noticeable impact on the endosperm.
Article
Construction & Building Technology
P. M. Carmona-Quiroga, A. Pachon-Montano, J. Queipo-de-Llano, J. A. Martin-Caro, D. Lopez, I Paniagua, I Martinez, F. Rubiano, I Garcia-Lodeiro, L. Fernandez-Ordonez, M. T. Blanco-Varela, E. Frias-Lopez
Summary: The preservation of 20th century concrete heritage is often overlooked due to a lack of appreciation for the material. Conservation efforts should focus on assessing the condition of structures and implementing suitable treatments to protect the integrity and authenticity of the young heritage material.
MATERIALES DE CONSTRUCCION
(2021)
Article
Archaeology
Kathryn Royce, Christian Baars, Heather Viles
Summary: This paper provides explicit definitions for key concepts in conservation, such as damage and susceptibility, and applies them to mineral collections. The paper highlights the overlooked susceptibility of minerals to environmental factors in conservation efforts. The Mineral Susceptibility Database is introduced as a valuable resource to facilitate informed decision-making and interdisciplinary communication in the care and preservation of minerals and geological materials.
STUDIES IN CONSERVATION
(2023)
Article
Chemistry, Physical
Raquel Vigil de la Villa Mencia, Moises Frias Rojas, Sagrario Martinez-Ramirez, Lucia Fernandez-Carrasco, Ernesto Villar Cocina, Rosario Garcia-Gimenez
Summary: The study analyzed the mixture of calcareous and siliceous CDW wastes from concrete and glass wastes, showing that the addition of recycled glass can modify the pozzolanic reaction of binary mixtures and form new mineral phases. This finding is important for improving waste utilization and waste treatment efficiency.
Article
Chemistry, Physical
Virginia Flores-Sasso, Gloria Perez, Letzai Ruiz-Valero, Sagrario Martinez-Ramirez, Ana Guerrero, Esteban Prieto-Vicioso
Summary: The arrival of Spaniards in the Caribbean islands introduced the practice of applying pigments onto buildings. This study characterizes a 17th-century mural painting located in the Cathedral of Santo Domingo on the Hispaniola island of the Caribbean, providing insights into the historical evolution and restoration process of the mural.
Correction
Construction & Building Technology
J. I. Alvarez, R. Veiga, S. Martinez-Ramirez, M. Secco, P. Faria, P. N. Maravelaki, M. Ramesh, I. Papayianni, J. Valek
MATERIALS AND STRUCTURES
(2022)
Article
Construction & Building Technology
N. Husillos-Rodriguez, S. Martinez-Ramirez, R. Zarzuela, M. J. Mosquera, T. Blanco-Varela, I. Garcia-Lodeiro
Summary: This study investigated the effect of alkoxysilane on early age cement paste hydration by analyzing paste composition. It was found that the addition of alkoxysilane resulted in a new early age exothermal peak and an extended induction period.
JOURNAL OF BUILDING ENGINEERING
(2022)
Article
Chemistry, Physical
Raquel Vigil de la Villa Mencia, Moises Frias, Sagrario Martinez Ramirez, Lucia Fernandez Carrasco, Rosario Garcia Gimenez
Summary: This study aimed to investigate the synergies in a mixed solidification material containing waste concrete and glass in cement paste. The results showed that the reaction kinetics in the cement paste were influenced by the type of recycled concrete and the glass content.
Article
Materials Science, Multidisciplinary
Ana Crespo, Gloria Perez, Jose A. Jimenez, Irene Llorente, Sagrario Martinez-Ramirez, Emilio Cano, Ivan Diaz
Summary: Weathering steels are commonly used in various fields due to their mechanical properties, resistance to corrosion, and aesthetic properties. An experiment was conducted to compare the colors and surface evolution of accelerated and natural patinas. The results showed that the colors of the accelerated patinas differed from the natural patina at short exposure times but converged at longer exposure times.
Article
Construction & Building Technology
Daire E. Browne, Robert Peverall, Grant A. D. Ritchie, Heather A. Viles
Summary: Enhanced understanding of drying kinetics of building materials is important for durability explanation and conservation improvement. Cavity ring-down spectroscopy is demonstrated as an effective method to investigate drying kinetics, and it is applied here to study the drying behavior of commonly used building limestones and sandstone. The time for phase I drying increases with porosity, but the constant mass flux remains unchanged. Phase II drying diffusivities vary for different materials and are not solely controlled by porosity. Activation energies associated with phase II drying are determined for specific materials.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Biochemistry & Molecular Biology
Elena Messina, Marianna Pascucci, Cristina Riccucci, Francesca Boccaccini, Maria Teresa Blanco-Valera, Ines Garcia-Lodeiro, Gabriel Maria Ingo, Gabriella Di Carlo
Summary: Surface impregnation of concrete structures with a migrating corrosion inhibitor is a promising technique for increasing the lifetime of existing structures. The use of smart nanocontainers, like layered double hydroxides (LDH), significantly improves efficiency and provides active protection from corrosion caused by chloride. Adding LDH to reinforced mortar also improves compactness and mechanical properties.
Article
Humanities, Multidisciplinary
Marina Martinez-Weinbaum, Miriam Lozano-Carbo, Laura Maestro-Guijarro, Paula Maria Carmona-Quiroga, Mohamed Oujja, Marta Castillejo
Summary: In this paper, the application of nanosecond-pulsed lasers operating at 213 nm for removing aged varnish on a contemporary oil easel painting is reported. The results show that this technique outperforms traditional solvents and hot water in terms of effectiveness and minimal damage to the underlying layers.