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2016 | 8 | nr 1 | 35--42
Tytuł artykułu

Improving the Quality of Nonwoven Materials Manufacturing Based on Analysis of Its Water Permeability

Warianty tytułu
Języki publikacji
Composite nonwoven materials such as polypropylene are widely used for medical purposes due to their unique properties. During the production process, polymer fibers are created using multiple extruders; the material is formed from a web of polypropylene fibers bonded together by cooling and rolling out between cylinders. The production process is often unreliable; hence properties such as water resistance vary across the length of the composite. The nonwovens are often used to manufacture medical attire, which further needs to be sterilized, and in order to choose the optimal method, one needs to know the cloth's water resistance. The aim of the study was to investigate the statistical distribution of permeability in composite nonwovens and its relevance to business decisions. Investigation was performed on multiple samples at different stages of production. It was found that water resistance is strictly correlated with the quality of the material and is increased in the sterilization process. The statistical analysis of water resistance in nonwoven material, both raw and processed, can be used by medical manufacturers in order to optimize costs in the production process. (original abstract)
Opis fizyczny
  • Warsaw University of Technology, Poland
  • Warsaw University of Technology, Poland
  • EN 20811 European Standard. Textiles - determination of resistance to water penetration - Hydrostatic pressure test. 1992.
  • EN 13795 European Standard for Surgical Drapes, Gowns and Clean Air Suits. 2011.
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  • Lawrence, C. A., Shen, X., 2000. An investigation into the hydraulic properties for application in wet-press concrete casting, part II: Predictive models for the water permeability of needle punched nonwoven fabrics, J. Text. Inst., 91, pp.61-77.
  • Mao, N., Russel, S.J., 2000. Directional permeability in homogenous nonwoven structures. Part I: The relationship between directional permeability and fibre orientation. J. Text. Inst., 91, pp.235-243.
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