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 ... -
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 ... -
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, ... -
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 ... -
Functionalization of biopolymers with reactive groups to be used as thickeners in oil media
(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 ... -
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, Rocio; 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 ... -
Influencia de la relación proteína de altramuz/tensioactivo en las propiedades de flujo y texturales de emulsiones aceite en agua
Raymundo, A.; Empis, J.; Sousa, I.; Gallegos Montes, Críspulo; Franco Gómez, José María (Consejo Superior de Investigaciones Científicas, CSIC: Instituto de la Grasa, 2001-09)
En el presente trabajo se ha estudiado la influencia que ejerce la proporción proteína de altramuz/emulsionante de bajo peso molecular en el comportamiento viscoso y en las propiedades texturales de emulsiones alimentarias ... -
Isocyanate-Functionalized Chitin and Chitosan as Gelling Agents of Castor Oil
Gallego Calvo, Rocio; Fernández Arteaga, Jesús; Valencia Barragán, Concepción; Franco Gómez, José María (MDPI, 2013)
The main objective of this work was the incorporation of reactive isocyanate groups into chitin and chitosan in order to effectively use the products as reactive thickening agents in castor oil. The resulting gel-like ... -
Modification of Alkali Lignin with Poly(Ethylene Glycol) Diglycidyl Ether to Be Used as a Thickener in Bio-Lubricant Formulations
Cortés Triviño, Esperanza; Valencia Barragán, Concepción; Delgado Canto, Miguel Ángel; Franco Gómez, José María (MDPI, 2018-06)
Considerable efforts are currently being made by the academic community and industry, aiming to develop environmentally friendly lubricants with suitable technical features for their performance. In this context, lignin ... -
Natural pigments and microalgal biomass in colloidal food systems : rheological characterization
(Universidad de Huelva, 2012)Las microalgas representan una fuente alternativa e innovadora de ingredientes y colorantes naturales que pueden ser utilizados en el desarrollo de nuevos productos alimenticios. El objetivo de esta tesis fue estudiar ... -
Oleins as a source of estolides for biolubricant applications
García Zapateiro, Luis Alberto; Delgado Canto, Miguel Ángel; Franco Gómez, José María; Valencia Barragán, Concepción; Ruiz Méndez, M. V.; Garcés, R.; Gallegos Cázeres, Leticia (Consejo Superior de Investigaciones Científicas, CSIC: Instituto de la Grasa, 2010-06)
This study deals with the synthesis of estolides from high-oleic sunflower oil oleins, and its potential use as viscosity modifiers for biolubricant applications. Synthesis reactions were monitored for 24 h. Estolide ... -
On the Steady-State Flow and Yielding Behaviour of Lubricating Greases
Delgado Canto, Miguel Ángel; Secouard, Sebastien; Valencia Barragán, Concepción; Franco Gómez, José María (MDPI, 2019)
Practical steady-state flow curves were obtained from different rheological tests and protocols for five lubricating greases, containing thickeners of a rather different nature, i.e., aluminum complex, lithium, lithium ... -
Phosphogypsum waste lime as a promising substitute of commercial limes : a rheological approach
Romero Hermida, M. I.; Borrego López, A. M.; Alejandre, F. J.; Flores Alés, V.; Santos, A.; Franco Gómez, José María; Esquivias, L. (Elsevier, 2019)
This paper presents the rheological properties of three types of lime putty, specifying the influence of their origin. The study aims to compare a special lime putty prepared from phosphogypsum with a commercial lime powder ... -
Physico-chemical and bromatological characteristics of arenca and rhelogical properties of oil-in-water emulsions containing isolated protein
Quintana, Somaris Elena; Franco Gómez, José María; García Zapateiro, Luis Alberto (Universidade Federal de Lavras, 2015)
The design, formulation and development of a new product or the improvement of a traditional product are dependent on the knowledge of the physicochemical, bromatological and rheological characteristics of that product. ... -
Preparation, characterization and mechanical properties of bio-based polyurethane adhesives from Isocyanate-functionalized cellulose acetate and castor oil for bonding wood
Nowadays, different types of natural carbohydrates such as sugars, starch, cellulose and their derivatives are widely used as renewable raw materials. Vegetable oils are also considered as promising raw materials to be ... -
Projectable tannin foams by mechanical and chemical expansion
Santiago Medina, F. J.; Tenorio Alfonso, Adrián; Delgado Sánchez, Juan Manuel; Basso, M. C.; Pizzi, A.; Celzard, A.; Fierro, V.; Sánchez Carrillo, María Carmen; Franco Gómez, José María (Elsevier, 2018)
A new formulation of quebracho tannin-based resin has been used to prepare bio-based rigid foams. The proposed foams were blown by using the simultaneous combination of two expansion methods by mechanical expansion as used ...
