Brazilian Sustainability Outlook in Footwear Sector

Kohan, Laís; Martins, Cristiane Reis; Santos, Heloisa Nazaré dos; Fernandes, Palloma Renny Beserra; Brandão, Fernando João Bispo; Baruque-Ramos, Júlia

doi:10.1007/978-981-15-6296-9_9

Cited by 4 publications

(4 citation statements)

References 75 publications

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“…According to Kohan et al (2020), share resources is an efficient strategy for the development of sustainable footwear, thus, the life cycle concept that refers to exchanges (inputs and outputs) between the environment and the set of processes that accompany the phases of a product, might have more potential when designed for a locally based system. In this way, CE and DE can play a strategic role if thought of in a hybrid way, as both models are relevant to design new models of consumption and production in the sector.…”

Section: A U T H O R C O P Ymentioning

confidence: 99%

“…The accelerated growth of the sector causes repercussions on the life cycle reduction of shoes, leading to the absence of solutions for managing the waste resulting from the production process and the premature disposal of products (Vezzoli et al 2022). It is estimated that the sector annually generates 2.6 million tons of waste and A u t h o r C o p y that 91 million pairs of shoes that are not sold as a result of overproduction are incinerated annually worldwide (Kohan et al 2020). The accelerated pace of this production model generates strong price competition between brands and manufacturers, resulting in significant impacts on the economic dimension (Boër et al 2007;World Footwear 2022).…”

Section: Introductionmentioning

confidence: 99%

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Design for Sustainability in the Footwear Sector: Survey on Strategies and Impacts Mitigation

Andrade,

dos Santos,

Broega

2023

Advances in Fashion and Design Research II

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The environmental costs related to the production processes, the exposure of workers to inadequate conditions, the high competitiveness and the accelerated growth of the footwear sector, are results of the current production and consumption model, which also reverberates on the premature disposal of footwear and the lack of management of waste from its production process. Given these facts, this article seeks to understand which Design for Sustainability (DfS) approaches are being implemented in the sector. Through a literature review, the most used DfS approaches were identified and with a desktop research, a survey on examples was carried out, in order to mitigate the impacts through the concepts of Circular and Distributed Economy, models can enable greater resilience for small businesses in the sector, through local production and consumption. 16 examples of companies in the footwear sector were selected and analyzed, the study made it possible to carry out a critical analysis regarding the use of isolated strategies and a reflection on the incorporation of different DfS approaches. In addition, the study provides a wide repertoire of solutions and good practices for other designers in the sector.

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Section: A U T H O R C O P Ymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design for Sustainability in the Footwear Sector: Survey on Strategies and Impacts Mitigation

Andrade,

dos Santos,

Broega

2023

Advances in Fashion and Design Research II

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“…In Fig. 8, it is possible to identify the main shoe components: (1) upper; (2) lining; (3) toe-puff and toe stiffener; (4) insole; (5) shank; (6) midsole; (7) outsole; and (8) heel (Kohan et al 2020).…”

Section: Biocomposite Applied In Footwear Componentsmentioning

confidence: 99%

Biocomposites from Cotton Denim Waste for Footwear Components

et al. 2021

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The materials' production applied in the footwear industry corresponds to about 80% of the impacts generated in the total useful life of shoes. Cotton denim waste presents great opportunities for recycling. Logistical issues are the main point to industrial waste availability as raw material. This research aimed to describe the case study of denim wastes logistics from a clothes factory at Toritama city, Pernambuco state, Brazil (known as the "city of jeans"), and to develop biocomposites from cotton denim wastes (shredded and powder fibers) for application in the footwear components. A better destination could be provided for all denim wastes generation since it is easy to separate different denim composition wastes in the factory before the collection. However, blended fabrics are a complex issue for denim waste employment. The obtained biocomposite layers could be improved for applications in footwear components, mainly "soft" composites in insoles and "condensed" composites in toe-puffs and other shoe reinforcement components. Denim wastes employed in footwear components could reduce the amounts that end up in landfills and could replace certain petroleum-based components in shoes. Thus, the footwear industry could invest in future research and applications of biocomposites for sustainable manufacturing models.

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“…Leather manufacturing is an ancient technology and involves the conversion of animal hides and skins into consumable material [5,6]. Microorganisms including bacteria and fungi can attack the hides and skin when left without any proper treatment [7]. To prevent the degradation of the collagen structure of hides/skins through bacterial attack, a tanning process is applied to them.…”

Section: Introductionmentioning

confidence: 99%

Eco-Friendly Valorization and Utilization of Plant Waste as a Source of Tannin for Leather Tanning

Khan

2023

Sustainability

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In the present study, bark, which is the waste part of a tree, was utilized as a source of tannin for leather tanning after its value addition. The barks of Acacia nilotica L. and Eucalyptus globulus, which are abundantly available in Pakistan, were selected in this study. Different extraction techniques including mechanical, soxhlet, reflux and ultrasonic extraction were used for the extraction of tannin from the selected barks. The medium of extraction included aqueous as well as different solvent mixtures in different ratios. The solvent mixtures used in this study were methanol-water and acetone–water. The methanol–water ratio was kept (50:50) and the acetone–water ratio was maintained at (50:50 and 70:30). In the first step, the process of extraction was optimized for solvent mixtures and extraction time by taking a fixed dose (5 g) of each bark and a fixed volume of each extracting solvent mixture (150 mL). The total phenolic contents (TPC) of the bark extracts were determined by colorimetric assay (as mg GAE/g bark), taking gallic acid as the reference standard. The tannin contents (TC) of the bark extracts were determined by using the standard hide powder method (SLC 117). It was concluded that among the different extraction techniques, and among the solvent mixtures acetone–water in ratio (70:30), ultrasonic extraction resulted in maximum extraction of tannin (196.1 and 125.2 mg/g), respectively for A. nilotica and E. globulus. FTIR analyses of the dried extracts obtained from both barks were compared with FTIR of the most commonly used commercial vegetable tanning agent in the leather industry, i.e., mimosa. Results were comparable, which confirmed the presence of condensed tannin in both barks. The extracted tannin was applied on a pickle and wet blue leather to evaluate its tanning and re-tanning capability. Mimosa, the most abundantly used vegetable tanning material in the leather industry, was applied as a reference standard on the same pickle and wet blue leather for comparison. Different physical properties, such as leather shrinkage temperature, leather softness, tensile strength, percent elongation and breaking strength, were measured to evaluate the tanning efficacy of the extracted tannins. The results showed that tannin obtained from A. nilotica showed comparable physical properties to those of mimosa. It was concluded from the results that tannin obtained from locally available bark, i.e., A. nilotica, can be utilized as a vegetable tanning agent for the leather industry.

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Brazilian Sustainability Outlook in Footwear Sector

Cited by 4 publications

References 75 publications

Design for Sustainability in the Footwear Sector: Survey on Strategies and Impacts Mitigation

Design for Sustainability in the Footwear Sector: Survey on Strategies and Impacts Mitigation

Biocomposites from Cotton Denim Waste for Footwear Components

Eco-Friendly Valorization and Utilization of Plant Waste as a Source of Tannin for Leather Tanning

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