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Listar por palabra clave "Polylactide (PLA)"

Mostrando ítems 1-16 de 16

100% Bio-based microencapsulated phase change materials as regulator of temperature of textile fabric

López Hernández, Óscar Erick (Universitat Politècnica de València, 2018-10-05)

[ES] Los materiales de cambio de fase (PCM) son muy útiles en muchos campos gracias a su capacidad para absorber y liberar energía térmica cuando es necesario. En este trabajo nos enfocamos en desarrollar Materiales de ...
A methodology to assess the energetic valorization of bio-based polymers from the packaging industry: pyrolysis of reprocessed polylactide

Badía Valiente, José David; Santonja Blasco, Laura; Martinez-Felipe, Alfonso; Ribes Greus, María Desamparados (Elsevier, 2012-05)

The energetic valorization process of bio-based polymers is addressed in this study, taking polylactide (PLA) as model. The pyrolysis of virgin and multiple-injected PLA was simulated by means of multi-rate linear-non-isothermal ...
Assessing the MALDI-TOF MS sample preparation procedure to analyze the influence of thermo-oxidative ageing and thermo-mechanical degradation on poly (Lactide)

Badia, J.D.; Strömberg, Emma Marie; Ribes Greus, María Desamparados; Karlsson, Sigbritt (Elsevier, 2011)

[EN] Multiple processing by means of successive injection cycles was used to simulate the thermo-mechanical degradation effects on the oligomeric distribution of PLA under mechanical recycling. Likewise, an accelerated ...
Assessing the MALDI-TOF MS sample preparation procedure to characterize the thermo-mechanical degradation mechanisms of plastics for packaging

Badía Valiente, José David (Universitat Politècnica de València, 2016-02-15)

In the present study, the general aim is to assess the MALDI-TOF MS sample preparation procedure, in order to characterize the thermo-mecanical degradation mechanisms of two polyesters used in the packaging industry: the ...
Estudio de bio-nanocompuestos plastificados a base de PLA reforzados con celulosa nano-fibrilada

Piazzolla, Caterina (Universitat Politècnica de València, 2021-10-21)

[ES] En el marco actual para el desarrollo de alternativas ecológicas a los recursos convencionales, la polilactida (PLA) es un candidato destacado. PLA es un poliéster biodegradable biobasado derivado del ácido láctico. ...
Hydrothermal ageing of polylactide/sisal biocomposites. Studies of water absorption behaviour and Physico-Chemical performance

Gil Castell, Óscar; Badía Valiente, José David; Kittikorn, T.; Stromberg, E.; Martinez-Felipe, Alfonso; Ek, M.; Karlsson, S.; Ribes Greus, María Desamparados (Elsevier, 2014-10)

An accelerated hydrothermal degrading test was designed in order to analyse the synergic effect of water and temperature on PLA/sisal biocomposites with and without coupling agent. As well, the physicochemical properties ...
Hygrothermal ageing of reprocessed polylactide

Badia, J.D.; Santonja Blasco, Laura; Martinez-Felipe, Alfonso; Ribes-Greus, A. (Elsevier, 2012)

[EN] The influence of an accelerated hygrothermal ageing simulation test on a commercial PLA and its three subsequent mechanically-reprocessed materials was studied. The analysis was focused on the water diffusion kinetics ...
Impact of hydrothermal ageing on the thermal stability, morphology and viscoelastic performance of PLA/sisal biocomposites

Gil Castell, Óscar; Badía Valiente, José David; Kittikorn, T.; Strömberg, E.; Ek, Martina; Karlsson, S.; Ribes Greus, María Desamparados (Elsevier, 2016-10)

The influence of the combined exposure to water and temperature on the behaviour of polylactide/sisal biocomposites coupled with maleic acid anhydride was assessed through accelerated hydrothermal ageing. The biocomposites ...
Material valorisation of amorphous polylactide. Influence of thermo-mechanical degradation on the morphology, segmental dynamics, thermal and mechanical performance

Badía Valiente, José David; Strömberg, Emma; Karlsson, Sigbritt; Ribes Greus, A. (ELSEVIER SCI LTD, 2012-04)

[EN] This paper reports the effects of multiple mechanical recycling on the structure and properties of amorphous polylactide (PLA). The influence of the thermo-mechanical degradation induced by means of five successive ...
Mechanical recycling of polylactide, upgrading trends and combination of valorization techniques

Badia, J.D.; Ribes-Greus, A. (Elsevier, 2016-11)

[EN] The upcoming introduction of polylactides in the fractions of polymer waste encourages technologists to ascertain its valorization at the best quality conditions. Mechanical recycling of PLA represents one of the most ...
Polylactide-based self-reinforced composites biodegradation: Individual and combined influence of temperature, water and compost

Gil-Castell, O.; Badia, J.D.; Ingles-Mascaros, S.; TERUEL JUANES, ROBERTO; Serra, A.; Ribes-Greus, A. (Elsevier, 2018-12)

[EN] Self-reinforced polymer composites (SRCs) are proposed as a suitable alternative for composite development, based in the combination of a polymeric matrix and a polymeric fibre made of the same polymer. SRCs based in ...
Relevant factors for the eco-design of polylactide/sisal biocomposites to control biodegradation in soil in an end-of-life scenario

Badia, J.D.; Strömberg, E.; Kittikorn, T.; Ek, M.; Karlsson, S.; Ribes-Greus, A. (Elsevier, 2017-09)

[EN] The eco-design considers the factors to prepare biocomposites under an end-of-life scenario. PLA/sisal biocomposites were obtained from amorphous polylactide and sisal loadings of 10, 20 and 30 wt% with and without ...
Reprocessed polylactide: Studies of thermo-oxidative decomposition

Badía Valiente, José David; Santonja Blasco, Laura; Martinez-Felipe, Alfonso; Ribes Greus, María Desamparados (Elsevier, 2012-06)

The combustion process of virgin and reprocessed polylactide (PLA) was simulated by multi-rate linear non-isothermal thermogravimetric experiments under O2. A complete methodology that accounted on the thermal stability ...
Suitability of blends from virgin and reprocessed polylactide: performance and energy valorization kinetics

Gil-Castell, O.; Badia, J.D.; Ribes-Greus, A. (Scrivener Publishing, 2018-06)

[EN] A blending strategy of virgin and reprocessed polylactide may be postulated as an alternative to reduce the material cost at industrial level, and as a valorisation route to plastic waste management of production ...
Thermal analysis applied to the characterization of degradation in soil of polylactide: I. Calorimetric and viscoelastic analyses

Santonja Blasco, Laura; Moriana Torró, Rosana; Badia, J.D.; Ribes-Greus, A. (Elsevier, 2010-11)

[EN] An accelerated soil burial test has been performed on a commercial polylactide (PLA) for simulating non-controlled disposal. Degradation in soil promotes physical and chemical changes in polylactide properties, which ...
Thermal kinetics for the energy valorisation of polylactide/sisal biocomposites

Moliner, C.; Badia, J.D.; Bosio, B.; Arato, E.; Teruel-Juanes, R.; Kittikorn, T.; Stromberg, E.; Ek, M.; Karlsson, S.; Ribes-Greus, A. (Elsevier, 2018)

[EN] The thermal stability and decomposition kinetics of PLA/sisal biocomposites was discussed to evaluate the suitability of their use in energy recovery processes such as pyrolysis and combustion. The influence of the ...