Thesis Collection
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Browsing by Author "Franco Gómez, José María"
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AFM and SEM assessment of lubricating grease microstructures : influence of sample preparation protocol, frictional working conditions and composition
Roman, C.; Valencia Barragán, Concepción
; Franco Gómez, José María (Springer Verlag, 2016)
The microstructure of lubricating greases greatly conditions their in-service performance. In that sense, optimal testing protocols are required in order to accomplish their correct morphological characterization. This ... -
An energetical approach to study the structural degradation of traditional and biogenic lubricating greases
(Universidad de Huelva, 2022)En un contacto tribológico, los procesos de fricción conducen a efectos irreversibles asociados al desgaste, que son el resultado de un aporte de energía de fricción al un sistema tribológico. En general, se aplican ... -
An Experimental-Based Approach to Construct the Process Design Space of a Freeze-Drying Process: An Effective Tool to Design an Optimum and Robust Freeze-Drying Process for Pharmaceuticals
Assegehegn, Getachew Weldeabezgi; Brito de la Fuente, Edmundo; Franco Gómez, José María; Gallegos Montes, Críspulo (Elsevier, 2020)
The application of quality by design (QbD) is becoming an integral part of the formulation and process development for pharmaceutical products. An essential feature of the QbD philosophy is the design space. In this sense, ... -
Cellulose Pulp- and Castor Oil-Based Polyurethanes for Lubricating Applications: Influence of Streptomyces Action on Barley and Wheat Straws
Borrero López, Antonio María; Valencia Barragán, Concepción; Blánquez, Alba; Franco Gómez, José María (MDPI, 2020-11)
The replacement of mineral oils and non-renewable gelling agents is an imperative requirement for the lubricant industry in the near future. In this framework, cellulose pulp and castor oil are proposed as sustainable ... -
Characterization and Analysis of the Carbonation Process of a Lime Mortar Obtained from Phosphogypsum Waste
Romero Hermida, M. I.; Borrero López, Antonio María; Flores Alés, V.; Alejandre, Francisco Javier; Franco Gómez, José María; Santos, Alberto; Esquivias, Luis (MDPI, 2021)
This work addresses the reuse of waste products as a raw material for lime putties, which are one of the components of mortar. 1:3 Lime/sand mortars very similar to conventional construction mortars were prepared using ... -
Chemical, thermal and viscous characterization of high-oleic sunflower and olive pomace acid oils and derived estolides
García Zapateiro, Luis Alberto; Franco Gómez, José María; Valencia Barragán, Concepción; Delgado Canto, Miguel Ángel; Gallegos Montes, Críspulo; Ruiz Méndez, M. V. (Consejo Superior de Investigaciones Científicas, 2013)
This work deals with the chemical, thermal and viscous characterization of a variety of estolides, prepared from higholeic sunflower and olive pomace acid oils, using different acid-catalyzed synthesis protocols and ... -
Desarrollo de formulaciones de grasas lubricantes biodegradables basadas en aceites vegetales y derivados celulósicos
Núñez Carballar, Nuria (Universidad de Huelva, 2016)
Este trabajo se centra en el uso de materiales renovables para preparar nuevas formulaciones potencialmente aplicables como grasas lubricantes biodegradables. En particular, se han utilizado diferentes pastas de celulosa ... -
Desarrollo de nanocomposites de lignina/acetato de celulosa con una potencial aplicación como agente espesante en la elaboración de grasas lubricantes
Rubio Valle, José F.; Martín Alfonso, Manuel Antonio; Valencia Barragán, Concepción; Martín Alfonso, José Enrique; Franco Gómez, José María (Asociación Española de Dirección e Ingeniería de Proyectos (AEIPRO), 2022)
El presente trabajo se centra en el desarrollo de nanocomposites de lignina kraft de eucalipto (EKL)/acetato de celulosa (CA) empleando la técnica de electrohilado, dichas nanoestructuras tienen una potencial aplicación ... -
Development of new thickening and/or gelling agents of vegetable oils from different lignocellusic fractions chemically modified through epoxidation
(Universidad de Huelva, 2019)During the last decades, the world is really concerned about the pollution and the negative effects that most chemicals and/or end-used products are causing on the environment, especially those derived from crude oil. ... -
Development of polyurethane formulations based on cellulose acetate and castor oil
Tenorio Alfonso, Adrián (Universidad de Huelva, 2019)
Given the emerging environmental concern prevailing in the industrial production, this PhD Thesis has been devoted to the development of sustainable alternatives to the traditional petroleum-based polyurethane adhesives, ... -
Electrohydrodynamic Processing of PVP-Doped Kraft Lignin Micro- and Nano-Structures and Application of Electrospun Nanofiber Templates to Produce Oleogels
Rubio Valle, José F.; Sánchez Carrillo, María Carmen; Valencia Barragán, Concepción; Martín Alfonso, José Enrique; Franco Gómez, José María (MDPI, 2021)
The present work focuses on the development of lignin micro- and nano-structures obtained by means of electrohydrodynamic techniques aimed to be potentially applicable as thickening or structuring agents in vegetable ... -
Electrospun lignin-PVP nanofibers and their ability for structuring oil
Borrego, María; Martín Alfonso, José Enrique; Sánchez Carrillo, María Carmen; Valencia Barragán, Concepción; Franco Gómez, José María (2021-06-01)
This work explores the electrospinnability of low-sulfonate Kraft lignin (LSL)/polyvinylpyrrolidone (PVP) solutions in N,N-dimethylformamide (DMF) and the ability of the different micro- and nano-architectures generated to ... -
Emulsiones alimentarias aceite-en-agua estabilizadas con proteínas de atún
Ruiz Márquez, Dolores; Partal López, Pedro; Franco Gómez, José María; Gallegos Montes, Críspulo (Consejo Superior de Investigaciones Científicas; Instituto de la Grasa y sus Derivados, 2010)
El presente trabajo se ha centrado en el desarrollo de emulsiones alimentarias aceite-en-agua estabilizadas con proteínas de atún. Específicamente, se ha analizado la influencia del método de conservación de las proteínas ... -
Formulación y procesado de oleogeles para el desarrollo de nuevas grasas lubricantes biodegradables
Sánchez Martínez, Rubén (2011)
En este trabajo se hace uso de una serie de materias primas renovables para llevar a cabo la optimización de la formulación y el proceso de producción de nuevas grasas lubricantes totalmente biodegradables, utilizando ... -
Freeze drying process design of pharmaceutical dispersions
(Universidad de Huelva, 2020)During a freeze-drying process, the formulation is first frozen and, then, the frozen solvent is removed by a sublimation process at a reduced pressure, followed by a desorption process for the removal of the unfrozen ... -
Functionalization of biopolymers with reactive groups to be used as thickeners in oil media
Gallego Calvo, Rocío (Universidad de Huelva, 2015)
During the last decades, there has been an increasing interest in the use of natural components in a wide variety of manufactured products, due to the general tendency to promote the replacement of non-renewable raw materials ... -
Impact of the Morphology of Electrospun Lignin/Ethylcellulose Nanostructures on Their Capacity to Thicken Castor Oil
Borrego, María; Martín Alfonso, José Enrique; Valencia Barragán, Concepción; Sánchez Carrillo, María Carmen; Franco Gómez, José María (MDPI, 2022-11)
This study reports on a novel strategy for manufacturing thickened gel-like castor oil formulations by dispersing electrospun lignin/ethylcellulose nanostructures. These thickened formulations were rheologically and ... -
Impact of the processing method on the properties of castor oil/cellulose acetate polyurethane adhesives for bonding wood
Tenorio Alfonso, Adrián; Sánchez Carrillo, María Carmen; Franco Gómez, José María (Elsevier, 2022)
During the last decades, the replacement of the traditionally petro-based raw materials by eco-friendly substances in polyurethane production has become a great challenge. The synthesis of polyurethanes is mainly conducted ... -
Influence of Base Oil Polarity on the Transient Shear Flow of Biodegradable Lubricating Greases
Fiedler, Martin; Sánchez Martínez, Rubén; Valencia Barragán, Concepción; Leopold, Claudia S.; Kuhn, Erik; Franco Gómez, José María (MDPI, 2015)
The scope of this study is to elucidate the physical mechanisms influencing the transient flow behavior of lubricating greases based on biogenic oleochemicals from a polarity point of view. This includes the mutually ... -
Influence of functionalization degree on the rheological properties of isocyanate-functionalized chitin- and chitosan-based chemical oleogels for lubricant applications
Gallego Calvo, Rocío; González, Mercedes; Fernández Arteaga, Jesús; Valencia Barragán, Concepción; Franco Gómez, José María (MDPI, 2014)
This work deals with the influence of functionalization degree on the thermogravimetric and rheological behaviour of NCO-functionalized chitosan- and chitin-based oleogels. Chitosan and chitin were functionalized using ...
