Browsing Artículos by Author "Leiza, Jose Ramon"
Now showing items 1-20 of 31
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Assessing the Effect of CeO2 Nanoparticles as Corrosion Inhibitor in Hybrid Biobased Waterborne Acrylic Direct to Metal Coating Binders
González Gandara, Edurne; Stuhr, Robin; Vega Vega, Jesús Manuel; García Lecina, Eva; Grande, Hans-Jürgen; Leiza Recondo, José Ramón; Paulis Lumbreras, María (MDPI, 2021-03-10)CeO2 nanoparticles were incorporated in waterborne binders containing high biobased content (up to 70%) in order to analyze the anticorrosion performance for direct to metal coatings. Biobased binders were synthesized by ... -
Biobased Acrylic Latexes/Sodium Carboxymethyl Cellulose Aqueous Binders for Lithium-Ion NMC 811 Cathodes
Rolandi, Ana Clara; Barquero Salaberria, Aitor; Pozo Gonzalo, Cristina; De Meatza, Iratxe; Casado Pérez, Nerea; Forsyth, Maria; Leiza Recondo, José Ramón; Mecerreyes Molero, David (ACS, 2024)The increasing demands for sustainable energy storage technologies have prompted extensive research in the development of eco-friendly materials for lithium-ion batteries (LIBs). This research article presents the design ... -
Challenges to incorporate high contents of bio-based isobornyl methacrylate (IBOMA) into waterborne coatings
Llorente Zabala, Oihane; Barquero Salaberria, Aitor; Paulis Lumbreras, María; Leiza Recondo, José Ramón (Elsevier, 2022-11)Emulsion polymerization of (meth)acrylic bio-based monomers is a promising method to obtain waterborne coatings with reduced carbon footprint. However, the high hydrophobicity of some bio-based monomers can hinder the ... -
Characterization of grafting properties of ABS latexes: ATR-FTIR vs NMR spectroscopy
Acrylonitrile-Butadiene-Styrene (ABS) polymers have a complex microstructure which is formed during the grafting reaction of a polybutadiene seed latex. During the reaction, some styrene-acrylonitrile (SAN) chains are ... -
Cryo-TEM assessment of droplet nucleation efficiency in hybrid acrylic/CeO2 semibatch miniemulsion polymerization
Aguirre Arrese, Miren ; Barrado, Mariano; Paulis Lumbreras, María; Leiza Recondo, José Ramón (ACS, 2014-11-26)Monomer droplet nucleation has been successfully tracked in a seeded semibatch miniemulsion polymerization with miniemulsion feeding. Taking advantage of the marker capacity of CeO2 nanoparticles two polymerizations were ... -
Degradable Alternating Copolymers by Radical Copolymerization of 2-Methylen-1,3-dioxepane and Crotonate Esters
Barquero Salaberria, Aitor; Zanoni, Arianna; Gabirondo Amenabar, Elena; González de San Román, Estibaliz ; Hamzehlou, Shaghayegh; Ximenis, Marta; Moscatelli, Davide; Sardon Muguruza, Haritz; Leiza Recondo, José Ramón (ACS, 2024-03)Producing backbone degradable copolymers via free-radical copolymerization is a promising, yet challenging method to develop more sustainable materials for many applications. In this work, we present the copolymerization ... -
Dynamic Optimization and Non-linear Model Predictive Control to Achieve Targeted Particle Morphologies
Gerlinger, Wolfgang; Asua González, José María; Chaloupka, Tomas; Faust, Johannes M.M.; Gjertsen, Fredrik; Hamzehlou, Shaghayegh; Olav Hauger, Svein; Jahns, Ekkehard; Joy, Preet J.; Kosek, Juraj; Lapkin, Alexei; Leiza Recondo, José Ramón; Mhamdi, Adel; Mitsos, Alexander; Naeem, Omar; Rajabalinia, Noushin; Singstad, Peter; Suberu, John (Wiley, 2019-03)An event-driven approach based on dynamic optimization and nonlinear model predictive control (NMPC) is investigated together with inline Raman spectroscopy for process monitoring and control. The benefits and challenges ... -
Easy removable and UV tunable biobased waterborne pressure sensitive adhesives
Badía Rodrigo, Adrián; Agirre, Amaia; Barandiaran Sarasola, María Jesús; Leiza Recondo, José Ramón (Elsevier, 2021-07)Herein, high performance and biobased waterborne pressure sensitive adhesives having the ability to be removed in water at short times and being tunable upon UV-light have been developed. The combination of two functional ... -
Experimental validation of a mathematical model for the evolution of the particle morphology of waterborne polymer-polymer hybrids: paving the way to the design and implementation of optimal polymerization strategies
Rajabalinia, Noushin; Hamzehlou, Shaghayegh; Leiza Recondo, José Ramón; Asua González, José María (Elsevier, 2019-01-23)Polymer-polymer composite nanoparticles allow both the improvement of the performance in stablished applications of waterborne polymer dispersions and targeting new applications that are out of reach of currently available ... -
Film forming hybrid acrylic/ZnO latexes with excellent UV absorption capacity
Aguirre Arrese, Miren ; Barrado, Mariano; Iturrondobeitia Ellacuria, Maider; Ocariz Larrea, Ana María ; Guraya Díez, María Teresa; Paulis Lumbreras, María; Leiza Recondo, José Ramón (Elsevier, 2015-02-17)Acrylic/ZnO hybrid latexes were synthesized through a two-step emulsion polymerization process. First, a hybrid seed was synthesized by miniemulsion polymerization, which contained all the hydrophobically modified ZnO ... -
Green Electrospinning of Polymer Latexes: A Systematic Study of the Effect of Latex Properties on Fiber Morphology
González Gandara, Edurne; Barquero Salaberria, Aitor; Muñoz Sánchez, María Belén ; Paulis Lumbreras, María; Leiza Recondo, José Ramón (MDPI, 2021-03-11)Green electrospinning is a relatively new promising technology in which a polymer (latex) can be spun from an aqueous dispersion with the help of a template polymer. This method is a green, clean and safe technology that ... -
Hybrid acrylic/CeO2 nanocomposites using hydrophilic spherical and high aspect ratio CeO2 nanoparticles
Aguirre Arrese, Miren ; Johansson Salazar-Sandoval, Eric; Johansson, Mats; Ahniyaz, Anwar; Paulis Lumbreras, María; Leiza Recondo, José Ramón (Royal Society of Chemistry, 2014-10-15)A dispersion of CeO2 nanoparticles and nanorods stabilized with nitrilotriacetic acid (NTA) and a 4,4′-azobis(4-cyanovaleric acid) (V-501) initiator has been used to initiate the emulsion polymerization of acrylic monomers, ... -
In-situ phosphatization and enhanced corrosion properties of films made of phosphate functionalized nanoparticles
Chimenti, Stefano; Vega Vega, Jesús Manuel; García Lecina, Eva; Grande, Hans-Jürgen; Paulis Lumbreras, María; Leiza Recondo, José Ramón (Elsevier, 2019-08-05)In the present work a thin, stand-alone waterborne coating with excellent anticorrosion performance was successfully designed thanks to a built-in ability to in-situ phosphatize low carbon steel substrates. During film ... -
Incorporation of a Coumarate Based Corrosion Inhibitor in Waterborne Polymeric Binders for Corrosion Protection Applications
Quites, Diulia; Leiza Recondo, José Ramón; Mantione, Daniele; Somers, Anthony; Forsyth, Maria; Paulis Lumbreras, María (Wiley, 2022-05)The incorporation of organic corrosion inhibitors into waterborne coatings is optimized in this work. Herein, p-coumaric acid (4-hydroxycinnamic acid) is modified by a butyl radical and its effectiveness as an anticorrosive ... -
Kinetics of the Aqueous Phase Copolymerization of MAA and PEGMA Macromonomer: Influence of Monomer Concentration and Side Chain Length of PEGMA
Emaldi, Inaki; Hamzehlou, Shaghayegh; Sánchez Dolado, Jorge; Leiza Recondo, José Ramón (MDPI, 2017-04-20)An in situ nuclear magnetic resonance spectroscopy (NMR) technique is used to monitor the aqueous-phase copolymerization kinetics of methacrylic acid (MAA) and poly(ethylene glycol) methyl ether methacrylate (PEGMA) ... -
Lactide-caprolactone copolymers with tuneable barrier properties for packaging applications
Sangroniz Agudo, Ainara; Sangroniz Agudo, Leire; Shaghayegh, Hamzehlou; del Río, Javier; Santamaría Ibarburu, Pedro Antonio; Sarasua Oiz, José Ramón ; Iriarte Ormazabal, María Angeles ; Leiza Recondo, José Ramón; Etxeberria Lizarraga, Agustín (Elsevier, 2020-06-07)Lactide-caprolactone copolymers have been synthetized employing two metallic catalysts, Ph3Bi and SnOct2. The analysis of the microstructure by NMR reveals that gradient like copolymers are obtained with SnOct2 catalyst, ... -
Lactide-Valerolactone Copolymers for Packaging Applications
Sangroniz Agudo, Ainara; Sangroniz Agudo, Leire; Hamzehlou, Shaghayegh; Aramburu Ocáriz, Nora ; Sardon Muguruza, Haritz; Sarasua Oiz, José Ramón ; Iriarte Ormazabal, María Angeles ; Leiza Recondo, José Ramón; Etxeberria Lizarraga, Agustín (MDPI, 2021-12-23)Lactide-valerolactone copolymers have potential application in the packaging sector. Different copolymers were synthesized, and the kinetics of the copolymerization reactions and the microstructure of the copolymers were ... -
Phase Separation Driven On-Demand Debondable Waterborne Pressure-Sensitive Adhesives
Mehravar, Ehsan; Gross, Michael A.; Leal, Gracia Patricia; Reck, Bernd; Leiza Recondo, José Ramón; Asua González, José María (MDPI, 2018-09)A waterborne pressure-sensitive adhesive (PSA) that shows high adhesive performance and easy debondability on demand without leaving residues on the substrate (adhesive failure) has been developed. A key component of the ... -
Photoactive self-cleaning polymer coatings by TiO2 nanoparticle Pickering miniemulsion polymerization
González Gandara, Edurne; Bonnefond, Audrey; Barrado, Mariano; Casado Barrasa, Aurora M.; Asua González, José María; Leiza Recondo, José Ramón (2015-06-23)Titanium dioxide Pickering stabilized methyl methacrylate/n-butyl acrylate (MMA/BA) copolymer latexes were synthesized by miniemulsion polymerization. The particle size of the hybrid latexes was controlled by the concentration ... -
Photon Density Wave spectroscopy to monitor the particle size in seeded semibatch emulsion copolymerization reactions
Aspiazu, Usue Olatz; Paulis Lumbreras, María; Leiza Recondo, José Ramón (Elsevier, 2024-03)The performance of Photon Density Wave spectroscopy (PDW) is assessed to inline monitor the particle size during the seeded semibatch emulsion copolymerizations of methyl methacrylate, butyl acrylate, methacrylic acid ...