Exploració per autor "Olmo Osuna, Cristian"
Ara es mostren els items 1-11 de 11
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Biodegradable polylactides scaffolds with pharmacological activity by means of ultrasound micromolding technology
Olmo Osuna, Cristian; Franco García, María Lourdes; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi (Multidisciplinary Digital Publishing Institute, 2020-04-29)
Article
Accés obertUltrasound micromolding technology has been applied to get microporous polylactide scaffolds from the subsequent leaching of incorporated NaCl salts. A small amount of water-soluble polyethylene glycol (PEG) was required ... -
Crystalline structures and structural transitions of copolyamides derived from 1,4-diaminobutane and different ratios of glutaric and azelaic acids
Olmo Osuna, Cristian; Casas Becerra, María Teresa; Martínez Guil, Juan Carlos; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-01)
Article
Accés obertCopolyamides derived from even 1,4-butanediamine and different mixtures of odd dicarboxylic acids with a great difference in the number of methylene groups (i.e., glutaric and azelaic acids with 3 and 7 groups, respectively) ... -
Micro-molding with ultrasonic vibration energy: New method to disperse nanoclays in polymer matrices
Planellas Oates, Marc; Sacristan, Matias; Rey, Lorena; Olmo Osuna, Cristian; Aymami Bofarull, Juan; Casas Becerra, María Teresa; Valle Mendoza, Luis Javier del; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (2014-07)
Article
Accés restringit per política de l'editorialUltrasound technology was proved as an efficient processing technique to obtain micro-molded specimens of polylactide (PLA) and polybutylene succinate (PBS), which were selected as examples of biodegradable polyesters ... -
Micromoldeo por ultrasonidos de ácido poliláctico: Preparación de nanocompuestos y carga con fármacos
Olmo Osuna, Cristian (Universitat Politècnica de Catalunya, 2015-10)
Projecte/Treball Final de Carrera
Accés obertEn este proyecto se ha trabajado con una novedosa técnica de moldeo, basada en el uso energía de ultrasonidos. Éste equipo de moldeo nace de la necesidad de obtener una técnica de moldeo de micro piezas más eficiente; sobre ... -
Preparation of medicated polylactide micropieces by means of ultrasonic technology
Olmo Osuna, Cristian; Franco García, María Lourdes; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi (Multidisciplinary Digital Publishing Institute, 2019-06-01)
Article
Accés obertA technology based on the application of ultrasound as an energy source was applied to get polylactide (PLA) micropieces with minimum degradation and processing time. This requirement could be even shorter than 1.5 s. The ... -
Preparation of micro-molded exfoliated clay nanocomposites by means of ultrasonic technology
Díaz Andrade, Angélica María; Franco García, María Lourdes; Casas Becerra, María Teresa; Valle Mendoza, Luis Javier del; Aymami Bofarull, Juan; Olmo Osuna, Cristian; Puiggalí Bellalta, Jordi (2014-10-15)
Article
Accés restringit per política de l'editorialUltrasound micro-molding technology has been tested as a new method to get polymer/clay nanocomposites. Biodegradable polylactide (PLA) and poly (nona-methylene azelate) (PE99) have been used as polymer matrices, whereas ... -
Preparation of nanocomposites of poly(epsilon-caprolactone) and multi-walled carbon nanotubes by ultrasound micro-molding. Influence of nanotubes on melting and crystallization
Olmo Osuna, Cristian; Amestoy, Hegoi; Casas, Maria Teresa; Martinez, Juan Carlos; Franco García, María Lourdes; Sarasua, Jose-Ramon; Puiggalí Bellalta, Jordi (2017-08-01)
Article
Accés obertUltrasound micro-molding technology was successfully applied to prepare nanocomposites based on a poly(e-caprolactone) (PCL) matrix and multi-walled carbon nanotubes (MWCNTs). Optimization of processing parameters (i.e. ... -
Temperature induced structural changes in even-odd nylons with long polymethylene segments
Olmo Osuna, Cristian; Rota Cunill, Ramon; Martinez, Juan Carlos; Puiggalí Bellalta, Jordi; Franco García, María Lourdes (2016-09-30)
Article
Accés obertStructural transitions of nylons 8 9 and 12 9 heating and cooling processes were investigated using calorimetric, spectroscopic during and real time X-ray diffraction data. These even-odd nylons had three polymorphic forms ... -
Thermally induced structural transitions of nylon 4 9 as a new example of even-odd polyamides
Olmo Osuna, Cristian; Casas Becerra, María Teresa; Martínez Guil, Juan Carlos; Franco García, María Lourdes; Puiggalí Bellalta, Jordi (2018-02-16)
Article
Accés obertCrystalline morphology and structure of nylon 4 9 have been studied by means of optical and transmission electron microscopies, and X-ray diffraction. Rhombic crystals were characteristic of crystallization from glycerin ... -
Ultrasound micromolding of porous polylactide/hydroxyapatite scaffolds
Olmo Osuna, Cristian; Franco García, María Lourdes; Valle Mendoza, Luis Javier del; Puiggalí Bellalta, Jordi (2021)
Article
Accés obertUltrasound micromolding (USM) preparation of hybrid scaffolds based on polylactide (PLA) and hydroxyapatite (HAp) particles has been evaluated. PLA was stable under the applied ultrasound source since a minimum degradation ... -
Ultrasound micromolding technique and real-time X-ray diffraction using synchrotron radiation : applications to porous scaffolds for biomedical devices and study of thermal-induced transitions
Olmo Osuna, Cristian (Universitat Politècnica de Catalunya, 2021-07-16)
Tesi
Accés obertCurrent market trend is moving to miniaturized specimens, especially in the biomedical field seeking high effective and less invasive treatrnent. Ultrasound (US) micromolding is a new technique developed to the aim of ...