Environmental impact of textile barriers : A comparative study of coated and laminated textile

Abstract: This thesis examined how the sustainability of laminated and coated textile barriers can be compared by analysing them through an environmental and functional perspective. This was done by building an evaluation model in which an analysis of the functional performance and an analysis of the environmental performance was combined and applied on a case study of a laminated and a coated material used for workwear. A Life Cycle Assessment (LCA) was used to evaluate the environmental impact. To evaluate the functional performance a series of material testing was made for tear strength, waterproofness and permeability. The LCA measured the environmental impact in terms of water use, climate change, and human toxicity. The results showed a similar impact on climate change and water use for both barriers. The assessment of human toxicity showed that the solvent dimethylformamide, used in the coating paste, meant a potential risk for human health. From the material testing it could be stated that the coating performed better in terms of tear resistance and waterproofness, but that the laminate showed more even results and higher breathability. To conclude, the study showed that the production of the coated textile barrier had the largest environmental impact due to the use of a toxic solvent, but that the functional performance generally was better for this coated material. The use of an evaluation model to compare coated and laminated textiles demanded knowledge and experience of LCA to be used. Though with the right LCA knowledge, the combined methods of functional testing and environmental impact may lead to conclusions which would otherwise go unnoticed.