[EN] Nanohardness (H) and elastic modulus (E) properties of several biomass by-products (fruit shells) have been characterized by nanoindentation technique. Two procedures were followed: (i) 3D topographic images for the ...
[EN] This study evaluates the effect of CaCO3 fillers extracted from waste eggshells on 3D-printed PLA performance. Samples of neat PLA and PLA reinforced with CaCO3 fillers embedded with different wt.% were prepared using ...
The microstructural, thermal, and nanomechanical characterization of biomass by-products coming from
the food industry were studied. Scanning electron microscopy showed a microstructure formed by polygonal grains. The ...
García García, Daniel; Samper Madrigal, María Dolores; Ferri Azor, José Miguel; Balart Gimeno, Rafael Antonio; López-Martínez, Juan(Compobell, S.L, 2014-11-11)
Se han fabricado composites ecológicos con matriz de polipropileno (PP) y un 20% en
peso de posos de café (Spent Coffee Ground, SCG) como refuerzo. Los efectos del
tratamiento hidrofóbico con Palmitoyl Chloride en el ...
Rosa-Ramírez, Harrison de la; Aldás-Carrasco, Miguel Fernando; Ferri, J.M.; López-Martínez, Juan; Samper, María-Dolores(John Wiley & Sons, 2020-11-20)
[EN] The modification of PLA by melt compound with gum rosin (GR) and pentaerythritol ester of GR (PEGR) was investigated by studying the mechanical and thermal performance, blends morphology, wettability, and water ...
España Giner, José Manuel; García Sanoguera, David; Sánchez Nacher, Lourdes; López Martínez, Juan; Balart Gimeno, Rafael Antonio(Wiley-Blackwell, 2012-12)
[EN] In this study, atmospheric plasma treatment has been used to modify the wetting properties of ethylene-methacrylic acid sodium ionomer. The effects of the plasma treatment on surface properties of this ionomer have ...
Cellulose nanocrystals (CNCs) synthesized from microcrystalline cellulose by acid hydrolysis were added into poly(lactic acid)-poly(hydroxybutyrate) (PLA-PHB) blends to improve the final properties of the multifunctional ...
[EN] In this work, different materials for three-dimensional (3D)-printing were studied, which based on polycaprolactone with two natural additives, gum rosin, and beeswax. During the 3D-printing process, the bed and ...
[EN] Microplastics are small plastic particles, globally distributed throughout the oceans. To properly study them, all the methodologies for their sampling, extraction, and measurement should be standardized. For heterogeneous ...
[EN] Poly(lactic acid) (PLA) is the most used biopolymer for food packaging applications. Several strategies have been made to improve PLA properties for extending its applications in the packaging field. Melt blending ...
[EN] Cellulose nanocrystals (CNCs) were isolated for the first time from pine cones (PC) by alkali and bleaching treatments and subsequent sulfuric acid hydrolysis (64 %) at 45 ºC. The influence of the hydrolytic reaction ...
Rosa-Ramírez, Harrison de la; Dominici, Franco; Ferri, J.M; Luzi, Francesca; Puglia, Debora; Torre, Luigi; López-Martínez, Juan; Samper, María-Dolores(Springer-Verlag, 2023-12)
[EN] Gum rosin esters are some of the most common gum rosin derivatives used in different applications, such as coatings, paper, varnishes, chewing gum, and food industries. In this study, gum rosin esters are used as ...
[EN] Fully bio-based materials based on thermoplastic starch (TPS) were developed starting from corn starch plasticized with glycerol. The obtained TPS was further blended with five pine resin derivatives: gum rosin (GR), ...
ARRIETA, Marina Patricia; Parres García, Francisco José; López Martínez, Juan; Navarro Vidal, Raúl; Ferrándiz Bou, Santiago(Federación de Asociaciones de Ingenieros Industriales de España (FAIIE), 2012)
[EN] Pyrolysis of bioplastics waste may offer
an alternative waste treatment option,
allowing the recovery of resources.
Bioplastics have taken special interest
in the industry. They could be an
alternative to ...
Nanocomposite films based on poly(lactic acid)-poly(hydroxybutyrate) (PLA-PHB) blends and synthesized cellulose nanocrystals (CNC) or surfactant modified cellulose nanocrystals (CNCs), as bio-based reinforcement, were ...
García García, Daniel; Ferri Azor, José Miguel; Montañés Muñoz, Néstor; López-Martínez, Juan; Balart Gimeno, Rafael Antonio(Wiley, 2016-10)
The effect of various epoxidized vegetable oils as potential plasticizers for poly(3-hydroxybutyrate) (PHB) was evaluated in terms of changes in mechanical and thermal properties and morphology. PHB is a biodegradable ...
ARRIETA, Marina Patricia; Castro-López, María del Mar; Rayón Encinas, Emilio; Barral-Losada, Luis Fernando; López-Vilariño, J.M; López Martínez, Juan; González-Rodríguez, María Victoria(American Chemical Society, 2014-10-15)
Active biobased packaging materials based on poly(lactic acid)-poly(hydroxybutyrate) (PLA-PHB) blends were prepared by melt blending and fully characterized. Catechin incorporation, as antioxidant compound, enhanced the ...
Con impresoras tridimensionales se pueden obtener piezas con una tercera dimensión a partir del modelo en 3D del objeto que se quiere conseguir, que gracias a un software especial, se divide en capas que posteriormente se ...
Ferrándiz Bou, Santiago; López Martínez, Juan; Samper Madrigal, María Dolores; Garcia Garcia, Daniel; Ferri Azor, José Miguel(Editorial Universitat Politècnica de València, 2018-07-12)
La presente obra busca introducir al lector en una línea de desarrollo de diseño de un producto en el que puede trabajar con técnicas de ingeniería inversa (escaneo 3D), limpieza, alienado de los resultados del escaneo, ...
López Aznar, Nuria(Universitat Politècnica de València, 2013-10-15)
En el presente trabajo se ha analizado el comportamiento de los materiales plásticos frente a la degradación térmica.
Los termoplásticos están sometidos a procesos de transformación que implican el calentamiento del ...