Social aspects in denim production

Braga, Iara Falleiros; Abreu, Maria José

doi:10.1016/b978-0-08-102043-2.00011-3

Cited by 2 publications

(2 citation statements)

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“…The entire supply chain involved in the production of denim jeans contributes in constructive ways to the region. However, practices such as offshore outsourcing to meet stakeholders' expectations, informal production and trade, are raising ethical, ecological and social issues (Braga and Abreu 2017), which require careful consideration. Consider the lifecycle processes involved in the production of denim jeans.…”

Section: Introductionmentioning

confidence: 99%

Ecological footprint of your denim jeans: production knowledge and green consumerism

et al. 2022

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Every pair of denim jeans produced contributes 33.4 kg of CO 2 into the atmosphere, consumes 3781 L of water, and occupies 12 m 2 of land to support its production. The consumption patterns and consumption behaviour of consumers are both vital determinants of their environmental performance and impact. This paper examines the environmental concerns, production knowledge, and related cognitive measures of consumers by mapping their intentions in the process of buying denim jeans. Consumers of denim jeans in mainland China were taken as a sample to achieve our research objective. Specifically, 1392 respondents were quantitatively investigated. The empirical results indicate that production knowledge, the ascription of responsibility, buying attitude, and personal norms are dominant factors in explaining consumers' buying intentions when purchasing denim jeans. Furthermore, we find that the relationship between cognitive factors and buying intentions is mediated by affordability. This study highlights the immediate need to measure the denim industry's ecological footprint (during the production phase) and communicate this to critical industry stakeholders (i.e. macro-level forces, environmentalists, current and potential consumers). The intention is to redefine the purchasing behaviour of future consumers of denim jeans.

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Section: Introductionmentioning

confidence: 99%

Ecological footprint of your denim jeans: production knowledge and green consumerism

et al. 2022

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“…The roughness, simplicity, and freedom of denim have made it popular among people of all ages, classes, and genders. 1,2 With an annual production of more than 7.5 billion m, it has been an essential part of the clothing industry. Indigo, the principal dye used in denim dyeing, is becoming increasingly important to denim dyeing production.…”

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confidence: 99%

An ultrasound-assisted nitrogen protection system for sustainable indigo dyeing of cotton fabrics

Wang

Meng

Luo

et al. 2023

Textile Research Journal

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The traditional process of denim dyeing is highly environmentally damaging due to high temperature used for reduction and dyeing as well as the heavy use of sodium dithionite. It can be efficient if dyeing can be carried out with an environmental reducing agent under nitrogen protection or if the liquor ratio can be reduced. However, at such a low liquor ratio, dye molecules form agglomerates, which results in inefficient dye-uptake and uneven dyeing. This study investigated the possibility of applying ultrasound in conjunction with nitrogen protection to the dyeing of cotton fabrics with indigo reduced by the reducing agent DK. Comparing the reducing agent DK with the other reducing agents, it was found that reducing agent DK had stronger reducing and better properties for indigo dyed fabrics. Furthermore, the synergistic effect of nitrogen protection and ultrasound prevented the early oxidation and agglomeration of the leuco-indigo. It was evident that there was an increased contact area between the leuco-indigo and the cotton fiber, as well as a decrease in the crystallinity of the cellulose macromolecules. And the increased amorphous region of the cellulose macromolecules facilitated indigo-leuco’s penetration into the fiber, resulting in enhanced dyeing depths and uniformity. In addition, orthogonal experiments and gray clustering analysis were utilized to optimize the dyeing process. As a result of the optimized dyeing process, the K/ S and S values of dyed denim fabric reached 16.70 and 0.12, respectively, which was 42% and 72% higher than the traditional sodium dithionite dyeing process. It was found that the dyeing liquid was more susceptible to biological and chemical degradation. In addition, the total economic costs were reduced by 11.702%. It is conceivable that eco-friendly dyeing strategies presented here have superior dyeing properties which can significantly enhance the sustainability of denim dyeing processes.

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Social aspects in denim production

Cited by 2 publications

References 10 publications

Ecological footprint of your denim jeans: production knowledge and green consumerism

Ecological footprint of your denim jeans: production knowledge and green consumerism

An ultrasound-assisted nitrogen protection system for sustainable indigo dyeing of cotton fabrics

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