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Listar por palabra clave "Blends"

Mostrando ítems 1-20 de 33

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Bionanocomposite films based on plasticized PLA PHB/cellulose nanocrystal blends

ARRIETA, Marina Patricia; Fortunati, E.; Dominici, F.; López Martínez, Juan; Kenny, J. M. (Elsevier, 2015-05-05)

Optically transparent plasticized poly(lactic acid) (PLA) based bionanocomposite films intended for food packaging were prepared by melt blending. Materials were plasticized with 15 wt% of acetyl(tributyl citrate) (ATBC) ...
Combination of poly(lactic) acid (PLA) and starch to obtain biodegradable materials for food packaging

Muller, Justine; González Martínez, María Consuelo; Chiralt, A. (MDPI AG, 2017-08-15)

[EN] The massive use of synthetic plastics, in particular in the food packaging area, has a great environmental impact, and alternative more ecologic materials are being required. Poly(lactic) acid (PLA) and starch have ...
Compatibilization and Characterization of Polylactide and Biopolyethylene Binary Blends by Non-Reactive and Reactive Compatibilization Approaches

Ferri Azor, José Miguel; Garcia-Garcia, Daniel; Rayón Encinas, Emilio; Samper, María-Dolores; Balart, Rafael (MDPI AG, 2020-06)

[EN] In this study, different compatibilizing agents were used to analyze their influence on immiscible blends of polylactide (PLA) and biobased high-density polyethylene (bioPE) 80/20 (wt/wt). The compatibilizing agents ...
Compatibilization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)-poly(lactic acid) blends with diisocyanates

González-Ausejo, J.; Sánchez-Safont, E.; Lagarón, J.M.; Balart, Rafael; Cabedo, Luis; Gámez-Pérez, J. (John Wiley & Sons, 2017-05-20)

[EN] Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) was blended with poly(lactic acid) (PLA) with various reactive processing agents to decrease its brittleness and enhance its processability. Three diisocyanates, ...
Desarrollo y caracterización de polímeros con memoria de forma derivados de mezclas físicas de poli(ácido láctico)- PLA y poli(butilén succinato-co-adipato) - PBSA

Lascano Aimacaña, Diego Sebastián (Universitat Politècnica de València, 2018-12-03)

[ES] El objetivo central del proyecto es el desarrollo de polímeros con memoria de forma utilizando como base poli(ácido láctico) PLA. No obstante, debido a su rigidez y fragilidad, se abordará el desarrollo de mezclas ...
Development of Blends to Improve Flexibility of Biodegradable Polymers

Jordá-Reolid, María; Ibáñez-García, Ana; Catani, Linda; Martínez-García, Asunción (MDPI AG, 2022-12)

[EN] In this study, binary blends of biodegradable polymers were prepared to improve the ductile properties of those that have a more rigid and/or brittle behaviour. Specifically, PLA, PHA and TPS were blended with different ...
Effect of Processing Method on Mechanical Properties of PC/ABS-MWCNT nanocomposites

Wegrzyn, M.; Galindo, B.; Benedito, A.; Giménez Torres, Enrique (WILEY-VCH Verlag GmbH & Co. KGaA,, 2012)

[EN] Nanocomposites of commercial PC/ABS matrix filled with multi-walled carbon nanotubes (MWCNT) suspended in ethyl alcohol were compounded on twinscrew co-rotating extruder and subsequently injection molded varying ...
Improved Performance of Environmentally Friendly Blends of Biobased Polyethylene and Kraft Lignin Compatibilized by Reactive Extrusion with Dicumyl Peroxide

Rojas-Lema, Sandra Paola; Ivorra-Martínez, Juan; Lascano-Aimacaña, Diego Sebastián; Garcia-Garcia, Daniel; Balart, Rafael (John Wiley & Sons, 2021-09)

[EN] In this work, different contents (0.25, 0.50, 0.75, and 1 phr) of dicumyl peroxide (DCP) are incorporated into the bio-based high-density polyethylene (bioPE)/kraft lignin (KL) blends with a composition of 80 and 20 ...
Improvement of PBAT Processability and Mechanical Performance by Blending with Pine Resin Derivatives for Injection Moulding Rigid Packaging with Enhanced Hydrophobicity

Pavón-Vargas, Cristina Paola; Aldas, Miguel; Rosa-Ramírez, Harrison de la; López-Martínez, Juan; Arrieta, Marina P. (MDPI AG, 2020-12)

[EN] Polybutylene adipate-co-terephthalate (PBAT) is a biodegradable polymer with good features for packaging applications. However, the mechanical performance and high prices of PBAT limit its current usage at the commercial ...
Improvement of the compatibility between poly(3-hydroxybutyrate) and poly(e-caprolactone) by reactive extrusion with dicumyl peroxide

García García, Daniel; Rayón Encinas, Emilio; Carbonell Verdú, Alfredo; López-Martínez, Juan; Balart Gimeno, Rafael Antonio (Elsevier, 2017-01)

[EN] Poly(3-hydroxybutyrate) is a biodegradable aliphatic polyester obtained through bacterial fermentation that has gained attention in the last few years; nevertheless, its industrial applications are restricted because ...
Influence of biodegradable materials in the recycled polystyrene

Samper Madrigal, María Dolores; ARRIETA, Marina Patricia; Ferrándiz Bou, Santiago; López Martínez, Juan (Wiley-Blackwell, 2014-12-05)

Polystyrene (PS) is one of the commonly used polymer in food packaging, that is why it generates a large amount of residual PS: because of the need of reduce environmental damage that occurs, it is common to recycle this ...
Influence of citric acid on the properties and stability of starch-polycaprolactone based films

Ortega Toro, Rodrigo; Collazo-Bigliardi, Sofía; Talens Oliag, Pau; Chiralt, A. (Wiley, 2015-01)

[EN] The influence of citric acid (CA) on structural and physicochemical properties of blend films based on corn starch and polycaprolactone (PCL) was studied. Films were obtained by melt blending of starch and PCL and ...
Influence of the Hydrophobic-Hydrophilic Nature of Biomedical Polymers and Nanocomposites on In Vitro Biological Development

Torres-Roca, Elena; Vallés Lluch, Ana; Fombuena, Vicent; Napiwocki, Brett; Lih-Sheng, Turng (John Wiley & Sons, 2017)

[EN] In this work, cell viability, proliferation, and morphology are studied on two pairs of polymers used in the biomedical field that have similar chemical natures but differ in hydrophobicity. On the one hand, hydrophobic ...
Injection-molded parts of polypropylene/multi-wall carbon nanotubes composites with an electrically conductive tridimensional network

Torres-Giner, Segio; Chiva-Flor, Alberto; Feijoo, José Luis (John Wiley & Sons, 2016-02)

[EN] Polypropylene-based composites filled with multi-wall carbon nanotubes (MWCNTs), ranging from 1 to 6 wt%, were obtained by injection molding from a previous masterbatch compounded by twin-screw extrusion (TSE). Resultant ...
Introducción a las Mezclas de Materiales Poliméricos

Balart Gimeno, Rafael Antonio (Universitat Politècnica de València, 2008-04-14)
Manufacturing and compatibilization of binary blends of polyethylene and poly(bulylene succinate) by injection molding

Rojas-Lema, Sandra; Ivorra-Martinez, Juan; Gomez-Caturla, Jaume; Balart, Rafael; Garcia-Garcia, Daniel (Universitat Politècnica de València, 2021-07-16)

[EN] In this study was analyzed the effect of three different compatibilizers polyethylene-graft-maleic anhydride (PE-g-MA), unmodified halloysite nanotubes (HNTs), and HNTs treated by silanization with (3-glycidyloxypropyl) ...
Mejora de las propiedades a impacto de ácido poliláctico mediante mezclas binarias con elastómeros termoplásticos

Tejada Oliveros, Ramón (Universitat Politècnica de València, 2021-10-13)

[ES] El ácido poliláctico (PLA) es un polímero que se puede obtener de recursos renovables y, además, es biodegradable. No obstante, presenta elevada fragilidad, aspecto que limita su uso masivo a escala industrial. Este ...
Morphology, Mechanical Performance and Nanoindentation Behavior of Injection Molded PC/ABS-MWCNT Nanocomposites

Wegrzyn, Marcin; Sahuquillo, Oscar; Benedito, Adolfo; Giménez Torres, Enrique (John Wiley & Sons, 2015-06-10)

[EN] In this work, nanocomposites of polycarbonate/acrylonitrile-butadiene-styrene (PC/ABS) with various loads of multiwall carbon nanotubes (MWCNT) are investigated. Material is previously formed by masterbatch dilution ...
Multifunctional PLA PHB/cellulose nanocrystal films: Processing, structural and thermal properties

ARRIETA, Marina Patricia; Fortunati, E.; Dominici, F.; Rayón Encinas, Emilio; López Martínez, Juan; Kenny, J. M. (Elsevier, 2014-07-17)

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 ...
On the Use of PLA-PHB Blends for Sustainable Food Packaging Applications

Arrieta, Marina Patricia; Samper, María-Dolores; Aldas-Carrasco, Miguel Fernando; López-Martínez, Juan (MDPI AG, 2017-08-29)

[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 ...