Listar QICM - Artículos por fecha de publicación
Mostrando ítems 1-20 de 149
-
Portland and Belite Cement Hydration Acceleration by C-S-H Seeds with Variable w/c Ratios
Morales-Cantero, Alejandro; Cuesta-Garcia, Ana Maria; Gomez-de-la-Torre, Maria de los Angeles
; Mazanec, Oliver; Borralleras, Pere; Weldert, Kai S.; Gastaldi, Daniela; Canonico, Fulvio; Aranda, Miguel A.G.[et al.] (IOAP-MPDI, 2002-05-16)
The acceleration of very early age cement hydration by C-S-H seeding is getting attention from scholars and field applications because the enhanced early age features do not compromise later age performances. This acceleration ... -
Aluminum-rich belite sulfoaluminate cements: clinkering and early age hydration
Martín-Sedeño, M. Carmen; Cuberos, Antonio J M; Gomez-de-la-Torre, Maria de los Angeles; Álvarez-Pinazo, Gema; Ordónez, Luis M; Gateshki, Milen; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2009)
Belite sulfoaluminate (BSA) cements have been proposed as environmentally friendly building materials, as their production may release up to 35% less CO2 into the atmosphere when compared to ordinary Portland cements. ... -
“Breathing” in Adsorbate-Responsive Metal Tetraphosphonate Hybrid Materials
Perez-Colodrero, Rosario Mercedes; Cabeza-Diaz, Aurelio; Olivera-Pastor, Pascual; Infantes-Molina, Antonia; Barouda, Eleni; Demadis, Konstantinos D.; G. Aranda, Miguel Ángel[et al.] (Wiley-VCH Verlag GmbH&Co. KGaA, Weinheim, 2009-05-28)
The structures of various layered calcium tetraphosphonates (CaH6DTMP; H8DTMP=hexamethyl- tetrakis(methylenephosphonic acid)), have been determined. Starting from CaH6DTMP·2H2O, thermal treatment and subsequent exposure ... -
Structural Mapping and Framework Interconversions in 1D, 2D, and 3D Divalent Metal R,S-Hydroxyphosphonoacetate Hybrids
Perez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Cabeza-Diaz, Aurelio; Papadaki, M.; Demadis, Konstantinos D.; G. Aranda, Miguel Ángel[et al.] (American Chemical Society, 2009-12-16)
Reactions of divalent cations (Mg2þ, Co2þ, Ni2þ, and Zn2þ) with R,S-hydroxyphosphonoacetic acid (HPAA) in aqueous solutions (pH values ranging 1.0-4.0) yielded a range of crystalline hydrated M-HPAA hybrids. Onedimensional ... -
Common Structural Features in Calcium Hydroxyphosphonoacetates. A High-Throughput Screening
Perez-Colodrero, Rosario Mercedes; Cabeza-Diaz, Aurelio; Olivera-Pastor, Pascual; Papadaki, M.; Rius, Jordi; Choquesillo-Lazarte, Duane; García-Ruíz, Juan M.; Demadis, Konstantinos D.; G. Aranda, Miguel Ángel[et al.] (2011-03-11)
R,S-Hydroxyphosphonoacetic acid (H3HPA) is an inexpensive multidentate organic ligand widely used for the preparation of organo-inorganic hybrid materials. There are reports of several crystal structures and the variability ... -
Divalent Metal Vinylphosphonate Layered Materials: Compositional Variability, Structural Peculiarities, Dehydration Behavior, and Photoluminescent Properties
Perez-Colodrero, Rosario Mercedes; Cabeza-Diaz, Aurelio; Olivera-Pastor, Pascual; Choquesillo-Lazarte, Duane; García-Ruíz, Juan M.; Turner, Adele; Ilia, Gheorghe; Maranescu, Bianca; Papathanasiou, Konstantinos E.; Hix, Gary B.; Demadis, Konstantinos D.; G. Aranda, Miguel Ángel[et al.] (American Chemical Society, 2011-09-27)
A family of M-VP (M = Ni, Co, Cd, Mn, Zn, Fe, Cu, Pb; VP = vinylphosphonate) and M-PVP (M = Co, Cd; PVP = phenylvinylphosphonate) materials have been synthesized by hydrothermal methods and characterized by FTIR, elemental ... -
Rietveld quantitative phase analysis of yeelimite-containing cements
Álvarez-Pinazo, Gema; Cuesta-Garcia, Ana Maria; García-Maté, Marta; Santacruz-Cruz, Maria Isabel; Ramirez-Losilla, Enrique; Gomez-de-la-Torre, Maria de los Angeles; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (Karen Scrivener, 2012)
Yeelimite-containing cements are attracting attention for their tailored properties. Calcium sulfoaluminate, CSA, cements have high contents of Yeelimite and they are used for special applications. Belite calcium sulfoaluminate, ... -
Rietveld Quantitative Phase Analysis of OPC Clinkers, Cements and Hydration Products
García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles; León-Reina, Laura (Mineralogical Society of America, 2012)
-
Crystal engineering in confined spaces. A novel method to grow crystalline metal phosphonates in alginate gel systems
Stavgianoudaki, Nikoleta; Papathanasiou, Konstantinos E.; Perez-Colodrero, Rosario Mercedes; Choquesillo-Lazarte, Duane; García-Ruíz, Juan M.; Cabeza-Diaz, Aurelio; G. Aranda, Miguel Ángel; Demadis, Konstantinos D.[et al.] (The Royal Society of Chemistry, 2012)
In this paper we report a crystal growth method for metal phosphonate frameworks in alginate gels. It consists of a metalcontaining alginate gel, in which a solution of phosphonate ligand is slowly diffused. Crystals of ... -
Multifunctional lanthanum tetraphosphonates: Flexible, ultramicroporous and proton-conducting hybrid frameworks
Perez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Losilla, Enrique R.; G. Aranda, Miguel Ángel; León-Reina, Laura; Papadaki, M.; McKinlay, Alistair C.; Morris, Russell E.; Demadis, Konstantinos D.; Cabeza-Diaz, Aurelio[et al.] (The Royal Society of Chemistry, 2012)
A new flexible ultramicroporous solid, La(H5DTMP)·7H2O (1), has been crystallized at room temperature using the tetraphosphonic acid H8DTMP, hexamethylenediamine-N,N,N′,N′-tetrakis(methylenephosphonic acid). Its crystal ... -
Reactive belite stabilization mechanisms by boron-bearing dopants
Cuesta-Garcia, Ana Maria; Losilla, Enrique R.; García-Aranda, Miguel Ángel; Sanz, Jesús; Gomez-de-la-Torre, Maria de los Angeles (Elselvier, 2012-01-27)
Belite-rich cements hold promise for reduced energy consumption and CO2 emissions, but their use is hindered by the slow hydration rates of ordinary belites. This drawback may be overcome by activation of belite by doping. ... -
Rietveld quantitative phase analysis of Yeelimite-containing cements
Álvarez-Pinazo, Gema; Cuesta-Garcia, Ana Maria; García-Maté, Marta; Santacruz-Cruz, Maria Isabel; Ramirez-Losilla, Enrique; Gomez-de-la-Torre, Maria de los Angeles; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2012-03-26)
Yeelimite-containing cements are attracting attention for their tailored properties. Calcium sulfoaluminate, CSA, cements have high contents of Yeelimite and they are used for special applications. Belite calcium sulfoaluminate, ... -
Photodegradation of Phenol over a Hybrid Organo-Inorganic Material: Iron(II) Hydroxyphosphonoacetate
Bazaga-García, Montse; Cabeza-Diaz, Aurelio; Olivera-Pastor, Pascual; Santacruz-Cruz, Maria Isabel; Perez-Colodrero, Rosario Mercedes; García-Aranda, Miguel Ángel[et al.] (American Chemical Society, 2012-06-20)
Water treatment is a hot topic, and it will become much more important in the decades ahead. Advanced oxidation processes are being increasingly used for organic contaminant removal, for example using photo-Fenton reactions. ... -
2D Corrugated Magnesium Carboxyphosphonate Materials: Topotactic Transformations and Interlayer “Decoration” with Ammonia
Demadis, Konstantinos D.; Famelis, Nikos; Cabeza-Diaz, Aurelio; G. Aranda, Miguel Ángel; Perez-Colodrero, Rosario Mercedes; Infantes-Molina, Antonia[et al.] (American Chemical Society, 2012-06-29)
In this paper we report the synthesis and structural characterization of the 2D layered coordination polymer Mg(BPMGLY)(H2O)2 (BPMGLY = bis-phosphonomethylglycine, (HO3PCH2)2N(H)COO2−). The Mg ion is found in a slightly ... -
High Proton Conductivity in a Flexible, Cross-Linked, Ultramicroporous Magnesium Tetraphosphonate Hybrid Framework
Perez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Losilla, Enrique R.; Hernández Alonso, Daniel; G. Aranda, Miguel Ángel; León-Reina, Laura; Rius, Jordi; Demadis, Konstantinos D.; Moreau, Bernard; Villemin, Didier; Palomino, Miguel; Rey, Fernando; Cabeza-Diaz, Aurelio[et al.] (American Chemical Society, 2012-07-03)
Multifunctional materials, especially those combining two or more properties of interest, are attracting immense attention due to their potential applications. MOFs, metal organic frameworks, can be regarded as multifunctional ... -
Multifunctional Luminescent and Proton-Conducting Lanthanide Carboxyphosphonate Open-Framework Hybrids Exhibiting Crystalline-to-Amorphous-to-Crystalline Transformations
Perez-Colodrero, Rosario Mercedes; Papathanasiou, Konstantinos E.; Stavgianoudaki, Nikoleta; Olivera-Pastor, Pascual; Losilla, Enrique R.; G. Aranda, Miguel Ángel; León-Reina, Laura; Sanz, Jesús; Sobrados, Isabel; Choquesillo-Lazarte, Duane; García-Ruíz, Juan M.; Atienzar, Pedro; Rey, Fernando; Demadis, Konstantinos D.; Cabeza-Diaz, Aurelio[et al.] (American Chemical Society, 2012-09-15)
The chemistry of metal phosphonates has been progressing fast with the addition of new materials that possess novel structural features and new properties, occasionally in a cooperative manner. In this paper, we report a ... -
Hydration Reactions and Mechanical Strength Developments of Iron- Rich Sulfobelite Eco-cements
Álvarez-Pinazo, Gema; Santacruz-Cruz, Maria Isabel; León-Reina, Laura; García-Aranda, Miguel Ángel; Gomez-de-la-Torre, Maria de los Angeles (2013)
Belite calcium sulfoaluminate (BCSA) cements are low-CO2 building materials. However, their hydration behavior and its effect on mechanical properties have still to be clarified. Here, we report a full multitechnique study ... -
Structure, Atomistic Simulations, and Phase Transition of Stoichiometric Yeelimite
Cuesta-Garcia, Ana Maria; Gomez-de-la-Torre, Maria de los Angeles; Losilla, Enrique R.; Peterson, Vanessa K.; Rejmak, Pawel; Ayuela, Andres; Frontera, Carlos; García-Aranda, Miguel Ángel[et al.] (ACS publications, 2013)
ABSTRACT: Yeelimite, Ca4[Al6O12]SO4, is outstanding as an aluminate sodalite, being the framework of these type of materials flexible and dependent on ion sizes and anion ordering/disordering. On the other hand, yeelimite ... -
Hydration studies of calcium sulfoaluminate cements blended with fly ash
García-Maté, Marta; Gomez-de-la-Torre, Maria de los Angeles; León-Reina, Laura; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel (Elsevier, 2013)
The main objective of this work is to study the hydration and properties of calciumsulfoaluminate cement pastes blended with fly ash (FA) and the corresponding mortars at different hydration ages. Laboratory X-ray ... -
Structural Variability in Multifunctional Metal Xylenediaminetetraphosphonate Hybrids
Perez-Colodrero, Rosario Mercedes; Angeli, Giasemi K.; Bazaga-García, Montse; Olivera-Pastor, Pascual; Villemin, Didier; Losilla, Enrique R.; Martos, Estefanía Q.; Hix, Gary B.; G. Aranda, Miguel Ángel; Demadis, Konstantinos D.; Cabeza-Diaz, Aurelio[et al.] (American Chemical Society, 2013-07-24)
Two new families of divalent metal hybrid derivatives from the aromatic tetraphosphonic acids 1,4- and 1,3-bis(aminomethyl)benzene-N,N′-bis(methylenephosphonic acid), (H2O3PCH2)2−N−CH2C6H4CH2−N(CH2PO3H2)2 (designated herein ...