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Listar por palabra clave "Cellulose nanocrystals"

Mostrando ítems 1-11 de 11

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 electrospun bionanocomposite fibers based on plasticized PLA-PHB blends reinforced with cellulose nanocrystals

ARRIETA, Marina Patricia; López-Martínez, Juan; López, Daniel; Kenny, J.M.; Peponi, L. (Elsevier, 2016-12-25)

[EN] Electrospun biobased and biodegradable nanocomposites for sustainable flexible films were developed. Poly(lactic acid) (PLA) was blended with 25 wt% of poly(hydroxybutyrate) (PHB) to produce bead-less fibers and ...
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) ...
Development and Characterization of Electrospun Fiber-based Poly(ethylene-co-vinyl alcohol) Films of Application Interest as High-Gas-Barrier Interlayers in Food Packaging

Meléndez-Rodríguez, Beatriz; Torres-Giner, Sergio; Zavagna, Lorenzo; Sammon, Chris; Cabedo, Luis; Prieto, Cristina; Lagaron, Jose M. (MDPI AG, 2021-07)

[EN] In the present study, poly(ethylene-co-vinyl alcohol) with 44 mol % ethylene content (EVOH44) was managed to be processed, for the first time, by electrospinning assisted by the coaxial technology of solvent jacket. ...
Integral Fractionation of Rice Husks into Bioactive Arabinoxylans, Cellulose Nanocrystals, and Silica Particles

Requena-Peris, Raquel; Jiménez Quero, A.; Vargas, Maria; Moriana Torró, Rosana; Chiralt A.; Vilaplana Domingo, Francisco Javier (American Chemical Society, 2019-03-18)

[EN] Rice husk is an important agricultural byproduct that has not been exploited yet to full capacity for advanced applications. The feasibility of obtaining high-value products such as bioactive hemicelluloses and cellulose ...
Isolation and characterisation of microcrystalline cellulose and cellulose nanocrystals from coffee husk and comparative study with rice husk

Collazo-Bigliardi, Sofía; Ortega-Toro, Rodrigo; Chiralt, A. (Elsevier, 2018)

[EN] Cellulosic material from coffee husk has not been previously studied despite being a potential source of reinforcing agents for different applications. This material has been extracted and characterised from coffee ...
Mechanical and Shape-Memory Properties of Poly(mannitol sebacate)/Cellulose Nanocrystal Nanocomposites

Sonseca, Agueda; Camarero-Espinosa, Sandra; Peponi, Laura; Weder, Christoph; Foster, E.J.; Kenny, José M.; Giménez Torres, Enrique (John Wiley & Sons, 2014-11-01)

[EN] Polyesters based on polyols and sebacic acid, known as poly(polyol sebacate)s (PPS), are attracting considerable attention, as their properties are potentially useful in the context of soft-tissue engineering ...
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 ...
Optimizing the yield and physico-chemical properties of pine cone cellulose nanocrystals by different hydrolysis time

Garcia-Garcia, Daniel; Balart, Rafael; López-Martínez, Juan; Ek, Monica; Moriana, Rosana (Springer-Verlag, 2018)

[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 ...
Processing and characterization of nanocomposite based on poly(butylene/triethylene succinate) copolymers and cellulose nanocrystals

Fortunati, Elena; Gigli, Matteo; Luzi, Francesca; Dominici, Franco; Lotti, Nadia; Gazzano, Massimo; Cano Embuena, Amalia Isabel; Chiralt, A.; Munari, Andrea; Kenny, Jose Maria; Armentano, Ilaria; Torre, Luigi (Elsevier, 2017)

[EN] A new class of biodegradable materials developed by a combination of random eco-friendly copolyesterscontaining butylene succinate (BS) and triethylene succinate (TES) sequences with cellulose nanocrys-tals (CNC), is ...
Production and characterization of PLA_PBS biodegradable blends reinforced with cellulose nanocrystals extracted from hemp fibres

Luzi, F.; Fortunati, Elena; Jiménez Marco, Alberto; Puglia, D.; Pezzolla, D.; Gigliotti, G.; Kenny, J.M.; Chiralt, A.; Torre, L. (Elsevier, 2016)

[EN] Poly(lactic acid) (PIA) and poly(butylene succinate) (PBS) were blended and bionanocomposite films were prepared by solvent casting method adding 1 or 3 wt% of cellulose nanocrystals extracted from Carmagnola carded ...