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Listar por palabra clave "Barrier properties"

Mostrando ítems 1-20 de 23

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ANTIFUNGAL CHITOSAN-BASED FILMS AND COATINGS CONTAINING ESSENTIAL OILS FOR FRUIT APPLICATIONS

Perdones Montero, Ángela (Universitat Politècnica de València, 2016-12-15)

[EN] Chitosan films and coatings have been obtained, by incorporating different essential oils (EO) and using different homogenization conditions of the film forming emulsions, in order to obtain antifungal materials for ...
Antioxidant starch-based films with encapsulated eugenol. Application to sunflower oil preservation

Talón-Argente, Emmanuelle; Vargas, Maria; Chiralt, A.; González Martínez, María Consuelo (Elsevier, 2019-10)

[EN] Starch films containing eugenol, which was added to the film-forming dispersion in free form or encapsulated with different wall materials (whey protein or lecithin), were obtained by casting. The physical and the ...
Bacterial cellulose nanowhiskers to enhance the properties of plastics and bioplastics of interest in food packaging

Martínez Sanz, Marta (Universitat Politècnica de València, 2013-07-01)

El presente trabajo tiene por objetivo estudiar las aplicaciones de los nanocristales o ¿nanowhiskers¿ extraídos mediante hidrólisis ácida de celulosa bacteriana (BCNW) para el desarrollo de materiales poliméricos y ...
Biodegradable materials based on poly(vinyl alcohol) (PVA) and poly (lactic acid) (PLA) with antioxidant and antimicrobial activity for food packaging applications

Andrade Chapal, Johana Carolina (Universitat Politècnica de València, 2021-10-25)

[ES] El uso masivo de plásticos y su impacto medioambiental, así como la necesidad de mejorar la conservación de los alimentos, hace necesario el desarrollo de alternativas biodegradables para el envasado activo de alimentos. ...
Biopolymers Carrying Essential Oils, or their Compounds, for Food Antimicrobial Packaging

Requena-Peris, Raquel; Vargas, Maria; Atarés Huerta, Lorena María; Chiralt, A. (Bentham Science, 2018)

[EN] Background: Biodegradable antimicrobial materials for food packaging applications are in great demand by the food industry and society alike for the purposes of extending food shelf life, thus reducing the environmental ...
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 ...
Combined effect of poly(hydroxybutyrate) and plasticizers on polylactic acid properties for film intended for food packaging

ARRIETA, Marina Patricia; Samper Madrigal, María Dolores; López Martínez, Juan; JIMENEZ MIGALLON, ALFONSO (Springer Verlag (Germany), 2014-12)

Poly(lactic acid) PLA, and poly(hydroxybutyrate) PHB, blends were processed as films and characterized for their use in food packaging. PLA was blended with PHB to enhance the crystallinity. Therefore, PHB addition strongly ...
Desarrollo de recubrimientos comestibles a base de proteína de guisante con carácter antioxidante

Moreno Simón, Maitane (Universitat Politècnica de València, 2013-12-05)

[ES] En este trabajo se analiza el efecto de la incorporación de ¿-tocoferol, las condiciones de homogenización y la humedad relativa (HR) en las propiedades barrera (permeabilidad al vapor de agua y oxígeno), propiedades ...
Edible and Biodegradable Starch Films: A Review

Jiménez Marco, Alberto; Fabra Rovira, María José; Talens Oliag, Pau; Chiralt Boix, Mª Amparo (Springer Verlag (Germany), 2012-08)

[EN] Mainly due to environmental aims, petroleum-based plastics are being replaced by natural polymers. In the last decades, starch has been evaluated in its film-forming ability for applications in the food packaging area. ...
Efecto de la incorporación de salvado de arroz sobre las propiedades fisicas y microestructurales de films biodegradables a base de almidón

Cano Embuena, Amalia Isabel (Universitat Politècnica de València, 2013-04-18)

[ES] En el presente trabajo se ha estudiado el efecto de la incorporación del salvado de arroz y de su tamaño, sobre las propiedades microestructurales y físicas (permeabilidad al vapor de agua y al oxígeno, propiedades ...
Effect of the addition of sepiolite on the morphology and properties of melt compounded PHBV/PLA blends

González-Ausejo, Jennifer; Gámez-Pérez, José; Balart, Rafael; Lagarón, José María; Cabedo, Luis (John Wiley & Sons, 2019-01)

[EN] A study concerning the incorporation of sepiolite in blends of biopolyesters (PHBV/PLA) to obtain clay/polymer nanocomposites (CPN) was performed to improve the gas barrier performance of the final materials and achieve ...
Evaluación de films multicapa de ácido poliláctico para la conservación de carne de cerdo

Roselló Tomás, Javier (Universitat Politècnica de València, 2021-10-08)

[ES] El impacto negativo de los envases plásticos convencionales sobre el medioambiente hace necesaria la búsqueda de alternativas sostenibles basadas en derivados de recursos naturales. En este sentido, el ácido poliláctico ...
Films biodegradables antimicrobianos a partir de bicapas de PHBV y almidón con carvacrol

Giménez Sanchis, Adrián (Universitat Politècnica de València, 2017-09-11)

[ES] Se han obtenido films biodegradables antimicrobianos a base de bicapas de almidón y poliésteres con caravacrol (CA). Para ello, las monocapas a base de ácido poliláctico (PLA), polihidroxibutirato-co-hidroxivalerato ...
Gum Rosin as a Size Control Agent of Poly(butylene adipate-co-terephthalate) (PBAT) Domains to Increase the Toughness of Packaging Formulations Based on Polylactic Acid (PLA)

Aldás-Carrasco, Miguel Fernando; Ferri, J. M.; Motoc, Dana Luca; PEPONI, LAURA; Arrieta, Marina Patricia; López-Martínez, Juan (MDPI AG, 2021-06)

[EN] Gum rosin (GR) was used as a natural additive to improve the compatibility between polylactic acid, PLA, and poly(butylene adipate-co-terephthalate, PBAT, blended with 20 wt.% of PBAT (PLA/PBAT). The PBAT was used as ...
Influence of hydroxypropylmethylcellulose addition and homogenization conditions on properties and ageing of corn starch based films

Jiménez Marco, Alberto; Fabra Rovira, María José; Talens Oliag, Pau; Chiralt, A. (Elsevier, 2012-06-20)

[EN] Edible films based on corn starch, hydroxypropyl methylcellulose (HPMC) and their mixtures were prepared by using two different procedures to homogenize the film forming dispersions (rotor-stator and rotor-stator plus ...
Physical properties and antioxidant capacity of starch-sodium caseinate films containing lipids

Jiménez Marco, Alberto; Fabra Rovira, María José; Talens Oliag, Pau; Chiralt, A. (Elsevier, 2013-06)

[EN] Biodegradable films based on starch, sodium caseinate, glycerol and lipids (oleic acid and/or a-tocopherol) were obtained and evaluated in terms of microstructure, mechanical behaviour, barrier and optical properties ...
Physical, structural and antimicrobial properties of poly vinyl alcohol-chitosan biodegradable films

Bonilla Lagos, Maria Jeannine; Fortunati, Elena; Atarés Huerta, Lorena María; Chiralt, A.; Kenny, J.M. (Elsevier, 2014-03)

[EN] Chitosan (CH) was blended with poly vinyl alcohol (PVA) in different compositions to obtain biodegradable films (PVA90:CH10, PVA80:CH20, PVA70:CH30). Blends and neat polymer films (PVA100,CH100) were characterized for ...
PLA films with improved flexibility properties by using maleinized cottonseed oil

Carbonell-Verdu, A.; Garcia-Garcia, D.; Dominici, F.; Torre, L.; Sanchez-Nacher, Lourdes; Balart, Rafael (Elsevier, 2017)

[EN] This work assesses the potential of maleinized cottonseed oil MCSO as plasticizer in poly(lactic acid) PLA films with improved ductile behaviour. The effects of MCSO are compared with commercially available ...
PLA-PHB/cellulose based films: Mechanical, barrier and disintegration properties

Arrieta, Marina Patricia; Fortunati, E.; Dominici, F.; Rayón Encinas, Emilio; López Martínez, Juan; Kenny, J. M. (Elsevier, 2014-09)

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 ...
Poly(lactic) acid (PLA) and starch bilayer films, containing cinnamaldehyde, obtained by compression moulding

Muller, Justine; González Martínez, María Consuelo; Chiralt, A. (Elsevier, 2017)

[EN] Bilayer films from thermoplastic starch and cast amorphous PLA were obtained by compression moulding, incorporating or not cinnamaldehyde in the PLA layer. Films were characterized as to their microstructure and ...