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Anais da Academia Brasileira de Ciências

Print version ISSN 0001-3765On-line version ISSN 1678-2690

Abstract

TAGHIYARI, HAMID R.; MAJIDINAJAFABADI, REZA  and  VAHIDZADEH, REZA. Wollastonite to hinder growth of Aspergillus niger fungus on cotton textile. An. Acad. Bras. Ciênc. [online]. 2018, vol.90, n.3, pp.2797-2804. ISSN 0001-3765.  https://doi.org/10.1590/0001-3765201820170914.

Effects of Aspergillus niger was investigated on the strength of cotton textile specimens impregnated with nano-wollastonite, and then compared with normal specimens. Cotton strips were cut and prepared in warp and wept directions according to the standard specifications ASTM D-5035. Results showed that incubation of A. niger on specimens for three months resulted in a significant decrease in tensile stress as well as weight mass change in both directions. Impregnating specimens with NW ameliorated the negative effects of fungal attack on tensile stress to a considerable extent. Moreover, weight change was significantly decreased. It is concluded that NW positively protect cotton textile against A. nigra; the ultimate NW-content should be studied in complimentary studies.

Keywords : biological resistance; cotton fabric; fungal degradation; mineral materials; textile; wollastonite.

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