Life Cycle Assessment of Novel Aircraft Interior Panels Made from Renewable or Recyclable Polymers with Natural Fiber Reinforcements and Non‐Halogenated Flame Retardants

Vidal, Rosario; Moliner, Enrique; Martín, Pedro Luis; Fita, Sergio; Wonneberger, Maik; Verdejo, Eva; Vanfleteren, François; Lapeña, Nieves; González, A. Suárez-Bárcena

doi:10.1111/jiec.12544

Cited by 40 publications

(23 citation statements)

References 31 publications

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“…Biopolymers can be defined as polymers that are not "harmful" for the environment. The concept of a biopolymer is strongly linked to the origin of the material (petrochemical or natural resource) and to its end-of-life (whether it is biodegradable or not) [1][2][3][4]. Biopolymers include petroleum-derived polymers with the biodegradation (disintegration in controlled compost soil conditions) feature.…”

Section: Introductionmentioning

confidence: 99%

Study of the Influence of the Reprocessing Cycles on the Final Properties of Polylactide Pieces Obtained by Injection Molding

et al. 2019

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This research work aims to study the influence of the reprocessing cycles on the mechanical, thermal, and thermomechanical properties of polylactide (PLA). To this end, PLA was subjected to as many as six extrusion cycles and the resultant pellets were shaped into pieces by injection molding. Mechanical characterization revealed that the PLA pieces presented relatively similar properties up to the third reprocessing cycle, whereas further cycles induced an intense reduction in ductility and toughness. The effect of the reprocessing cycles was also studied by the changes in the melt fluidity, which showed a significant increase after four reprocessing cycles. An increase in the bio-polyester chain mobility was also attained with the number of the reprocessing cycles that subsequently favored an increase in crystallinity of PLA. A visual inspection indicated that PLA developed certain yellowing and the pieces also became less transparent with the increasing number of reprocessing cycles. Therefore, the obtained results showed that PLA suffers a slight degradation after one or two reprocessing cycles whereas performance impairment becomes more evident above the fourth reprocessing cycle. This finding suggests that the mechanical recycling of PLA for up to three cycles of extrusion and subsequent injection molding is technically feasible.

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Section: Introductionmentioning

confidence: 99%

Study of the Influence of the Reprocessing Cycles on the Final Properties of Polylactide Pieces Obtained by Injection Molding

et al. 2019

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“…Because of environmental issues, good biocompatibility, and application in 3D printing, polylactic acid (synonym polylactide) becomes a highly preferred polymer that can be degraded in the nature [71][72][73][74][75][76]. The polylactic polymers in the current market are typically prepared from cheap racemic mixture of the D-and L-lactic acids, and it can be chemically named poly-DL-lactide.…”

Section: Poisoning By D-lactate and D-lactic Acidosismentioning

confidence: 99%

D-Lactic Acid as a Metabolite: Toxicology, Diagnosis, and Detection

Pohanka

2020

BioMed Research International

117

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Two enantiomers of lactic acid exist. While L-lactic acid is a common compound of human metabolism, D-lactic acid is produced by some strains of microorganism or by some less relevant metabolic pathways. While L-lactic acid is an endogenous compound, D-lactic acid is a harmful enantiomer. Exposure to D-lactic acid can happen by various ways including contaminated food and beverages and by microbiota during some pathological states like short bowel syndrome. The exposure to D-lactic acid cannot be diagnosed because the common analytical methods are not suitable for distinguishing between the two enantiomers. In this review, pathways for D-lactic acid, pathological processes, and diagnostical and analytical methods are introduced followed by figures and tables. The current literature is summarized and discussed.

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“…Through Life Cycle Assessment (LCA), Natural Fibre Polymer Composites (NFPC) have been demonstrated to have higher environmental performance when used in the automotive industry (Joshi et al 2004;Le Duigou and Baley 2014), mainly due to the lower density of natural fibres; which translates into lower emissions resulting from fuel combustion. The potential application of these type of composites in the aviation sector has been addressed in the work of Bachmann et al (2017), Vieira andBravo (2016) &Vidal et al (2018).…”

Section: Introductionmentioning

confidence: 99%

“…At best, simple allocation techniques are applied where past (or hypothetical) economical values (e.g. Vidal et al 2018) or weights (e.g. Le Duigou and Baley 2014) are used to divide the overall environmental impact between the desired products (composite material) and its various co-products.…”

Section: Introductionmentioning

confidence: 99%

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Natural Fibre Polymer Composites – A Game Changer for the Aviation Sector?

Gomez-Campos¹,

Vialle²,

Rouilly³

et al. 2020

Preprint

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As part of the efforts to reduce the environmental impacts caused by the aviation sector, the use of bio-based instead of fossil-based materials has been assessed as a possible mitigation option. Natural Fibre Polymer Composites have proven to have a higher environmental performance in the automotive sector and are emerging as an option for weight reduction in aircraft. This study quantifies, though Life Cycle Assessment, the environmental performance of specific flax-based composite panels intended for aircrafts as interior fitting elements (i.e. partition panels, tray tables, baggage compartments) compared to a glass fibre/epoxy composite with a honeycomb core. Through system expansion, the fate of co-products issued from the production of the flax fibre technical textile used as reinforcement in the biocomposite material were considered in the assessment. Results showed that for an application in the aeronautics sector, the weight of the panels is the upmost critical parameter shaping the overall environmental performance of panels. Focusing on the panel production only, the biocomposite panel showed a higher environmental performance in the categories of climate change and marine eutrophication compared to the conventional panel, and the fire suppressant agent was identified as the main contributor to the environmental impacts of the bio-based panel. Yet these gains were negligible when considering the full life cycle of the panels, due to the higher weight (14%) of the bio-based panels; which is linked to the bio-based panel being at a prototype stage.In order to improve the environmental performance of the biocomposite panel and thus reduce its weight, it was shown relevant to optimize geometry of the panel itself, especially its core, so less resin could be used.

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Life Cycle Assessment of Novel Aircraft Interior Panels Made from Renewable or Recyclable Polymers with Natural Fiber Reinforcements and Non‐Halogenated Flame Retardants

Cited by 40 publications

References 31 publications

Study of the Influence of the Reprocessing Cycles on the Final Properties of Polylactide Pieces Obtained by Injection Molding

Study of the Influence of the Reprocessing Cycles on the Final Properties of Polylactide Pieces Obtained by Injection Molding

D-Lactic Acid as a Metabolite: Toxicology, Diagnosis, and Detection

Natural Fibre Polymer Composites – A Game Changer for the Aviation Sector?

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