VINCHES, Ludwig; TUDURI, Ludovic; HALLÉ, Stéphane

doi:10.1177/0040517518805389

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VINCHES, Ludwig

TUDURI, Ludovic

Environnements et Paléoenvironnements OCéaniques [EPOC]

HALLÉ, Stéphane

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Textile Research Journal. 2018-10-10, vol. 89, n° 15, p. 3024-3033

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Airborne nanoparticles represent a new danger in occupational health. Numerous theoretical and experimental studies have been conducted on the efficiency of filtering media used for respiratory protection, but few have focused on media used for skin protective equipment. Indeed, a significant proportion of airborne nanoparticles can end up on the skin, causing local effects and eventually penetrating the human body. Following experimental data obtained with sodium chloride nanoparticles, the authors propose an empirical model to evaluate the penetration of airborne nanoparticles through medium used in disposable coveralls. This study presents an adaptation of the conventional filtration theory used for filtering media used in respirators. The authors' model is compared with Wang et al.'s and Brochot's models and demonstrates improvements in their descriptive ability. Moreover, a domain of validity of the proposed model was determined that will enable the evaluation of the efficiency of similar protective apparel material structures against airborne nanoparticles.< Leer menos

Palabras clave en inglés

Nanoparticle penetration

Filtration efficiency modeling

Chemical protective clothing

Occupational health

Non-woven materials

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Modeling airborne nanoparticle filtration through a complete structure of non-woven material used in protective apparel

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