J.I. Álvarez
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View article: Hydrophobic and Oleophobic Photocatalytic Coatings for Stones and Cementitious Building Substrates: A Bibliometric Perspective (2010–2025)
Hydrophobic and Oleophobic Photocatalytic Coatings for Stones and Cementitious Building Substrates: A Bibliometric Perspective (2010–2025) Open
Hydrophobic and oleophobic photocatalytic coatings are specialised surface treatments that combine either hydrophobicity or oleophobicity and photocatalytic activity. This combination supports applications such as self-cleaning surfaces, a…
View article: Study on the Interaction of Polymeric Chemical Additives with Phase Change Materials in Air Lime Renders
Study on the Interaction of Polymeric Chemical Additives with Phase Change Materials in Air Lime Renders Open
The interaction of microencapsulated phase change materials (PCMs) with polymeric chemical additives in an air lime binding matrix was studied. These polymer-based additives included an adhesion booster (derived from starch) and a superpla…
View article: Increasing the Sustainability of the Stabilization/Solidification of Potentially Toxic Elements Contained in Tailings from an Active Mine Using a Modified Lime Mortar
Increasing the Sustainability of the Stabilization/Solidification of Potentially Toxic Elements Contained in Tailings from an Active Mine Using a Modified Lime Mortar Open
The use of a modified lime mortar as a binder for the stabilization/solidification of mine tailings presents a promising and sustainable solution for immobilizing potentially toxic elements found in these waste materials compared to cement…
View article: Green way of improving the thermal efficiency of mortars by the addition of biobased phase change materials
Green way of improving the thermal efficiency of mortars by the addition of biobased phase change materials Open
The thermal efficiency of air lime-based mortars was improved by directly integrating varying amounts (5 wt. %, 10 wt. %, and 20 wt. %) of a microencapsulated biobased phase change material (PCM) into the fresh mortars. This PCM is made of…
View article: Development of Photocatalytic Coatings for Building Materials with Bi2O3-ZnO Nanoparticles
Development of Photocatalytic Coatings for Building Materials with Bi2O3-ZnO Nanoparticles Open
The aim of this study was to develop versatile coatings that can protect the stone surfaces of Architectural Heritage. Two different 3D media, namely superhydrophobic (SPHB) and hydro-oleophobic (OHB), were utilized as host matrices for na…
View article: Application of layer double hydroxide in cementitious matrices for the improvement of the double Barrier Technique in the immobilisation of lead waste
Application of layer double hydroxide in cementitious matrices for the improvement of the double Barrier Technique in the immobilisation of lead waste Open
This research deals with the immobilisation of lead-contaminated waste by means of the Double Barrier Technique. Specifically, the integral treatment of lead-contaminated water is studied by incorporating Layer Double Hydroxides (one calci…
View article: Oral Efficacy of a Diselenide Compound Loaded in Nanostructured Lipid Carriers in a Murine Model of Visceral Leishmaniasis
Oral Efficacy of a Diselenide Compound Loaded in Nanostructured Lipid Carriers in a Murine Model of Visceral Leishmaniasis Open
Leishmaniasis urgently needs new oral treatments, as it is one of the most important neglected tropical diseases that affects people with poor resources. The drug discovery pipeline for oral administration currently discards entities with …
View article: Optimisation of mortar with Mg-Al-Hydrotalcite as sustainable management strategy lead waste
Optimisation of mortar with Mg-Al-Hydrotalcite as sustainable management strategy lead waste Open
This study analyses how a Mg-Al-Hydrotalcite with carbonate in the interlayer influences the hydration of mortar allowing the management of lead waste (solid or liquid) in a cement-based material. First, the compatibility of hydrotalcite w…
View article: Improvement of the depolluting and self-cleaning abilities of air lime mortars with dispersing admixtures
Improvement of the depolluting and self-cleaning abilities of air lime mortars with dispersing admixtures Open
The aim of this study is to develop new air lime mortars with enhanced photocatalytic depolluting and self-cleaning abilities. Nanosilica, as pozzolanic mineral admixture, was used to improve the strength of mortars, whereas nanotitania (T…
View article: Chemically Improved Lime Mortars in Architectural Heritage
Chemically Improved Lime Mortars in Architectural Heritage Open
Mortar is a workable paste which dries to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, and sometimes to add decorative colors or patterns to masonry walls. The w…
View article: Historic Mortars and New Repair Materials for the Architectural Heritage: Selected Papers from the 5th Historic Mortars Conference (HMC 2019)
Historic Mortars and New Repair Materials for the Architectural Heritage: Selected Papers from the 5th Historic Mortars Conference (HMC 2019) Open
The 5th Historic Mortars Conference was held in Pamplona, at the University of Navarra, Spain, during June 19–21, 2019. HMC 2019 hosted more than 150 scientific communications from the five continents. The underlying theme was the interest…
View article: Combination of Polymeric Superplasticizers, Water Repellents and Pozzolanic Agents to Improve Air Lime-Based Grouts for Historic Masonry Repair
Combination of Polymeric Superplasticizers, Water Repellents and Pozzolanic Agents to Improve Air Lime-Based Grouts for Historic Masonry Repair Open
This paper presents the experimental procedure to develop air lime-based injection grouts, including polymeric superplasticizers, a water repellent agent and pozzolanic agents as additives. Our research focuses on the development of grouts…
View article: Active photocatalytic-superhydrophobic coating with TiO2-ZnO nano-heterostructures for lime mortars
Active photocatalytic-superhydrophobic coating with TiO2-ZnO nano-heterostructures for lime mortars Open
Active coatings to be applied onto hardened surfaces of lime rendering and masonry mortars and stones of the Built Heritage were developed. Nano-heterostructures of TiO2/ZnO (50:50 and 10:90) were obtained by Flame Spray Pyrolysis as photo…
View article: Lime-based rendering mortars with photocatalytic and hydrophobic agents: assessment of the water repellency and biocide effect
Lime-based rendering mortars with photocatalytic and hydrophobic agents: assessment of the water repellency and biocide effect Open
Different rendering mortars were prepared by mixing air lime and air lime-pozzolanic nanosilica with TiO2 and sodium oleate as photocatalytic and water repellent agents, respectively, added in bulk. The aim of the work was to design and ob…
View article: Hydrophobized lime grouts prepared with microsilica and superplasticizers
Hydrophobized lime grouts prepared with microsilica and superplasticizers Open
This work reports the obtaining of lime-based grouts as repairing materials. Microsilica was added as pozzolanic additive to enhance the compressive strength of the hardened grouts. Sodium oleate, as water repellent admixture, and differen…
View article: Book of Abstracts, Information and Outcomes of the 5th Historic Mortars Conference (HMC 2019)
Book of Abstracts, Information and Outcomes of the 5th Historic Mortars Conference (HMC 2019) Open
This book collects the abstracts of the communications presented in the 5th Historic Mortars Conference (HMC 2019) organized by the Heritage, Materials & Environment (MIMED) Research Group of the Chemistry Department of the University of N…
View article: Influence of Two Polymer-Based Superplasticizers (Poly-naphthalene Sulfonate, PNS, and Lignosulfonate, LS) on Compressive and Flexural Strength, Freeze-Thaw, and Sulphate Attack Resistance of Lime-Metakaolin Grouts
Influence of Two Polymer-Based Superplasticizers (Poly-naphthalene Sulfonate, PNS, and Lignosulfonate, LS) on Compressive and Flexural Strength, Freeze-Thaw, and Sulphate Attack Resistance of Lime-Metakaolin Grouts Open
A new range of grouts prepared by air lime and metakaolin (MK) as a pozzolanic admixture has been obtained by using as dispersing agents two polymers, namely poly-naphthalene sulfonate (PNS) and lignosulfonate (LS), with the aim of improvi…
View article: Solification/Stabilization of arsenic in different cement matrices
Solification/Stabilization of arsenic in different cement matrices Open
To immobilize heavy metals and metalloids contained in some wastes, solidification / stabilization (S / S) process has been tested and used to reduce the leaching of contaminants before their disposal in the landfill. Cement is the most ad…
View article: The Effect of TiO2 Doped Photocatalytic Nano-Additives on the Hydration and Microstructure of Portland and High Alumina Cements
The Effect of TiO2 Doped Photocatalytic Nano-Additives on the Hydration and Microstructure of Portland and High Alumina Cements Open
Mortars with two different binders (Portland cement (PC) and high alumina cement (HAC)) were modified upon the bulk incorporation of nano-structured photocatalytic additives (bare TiO2, and TiO2 doped with either iron (Fe-TiO2) or vanadium…