Abstract
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.
Highlights
Different fungi spores are suspended in the air and are moved by air
Threads were removed from both sides of all warp and wept strips to produce final width of 20 mm, leaving fringes on both width sides (Fig. 1a, b). Strips of both warp and wept directions were randomly divided into three main groups of control (C), fungus-exposed (FE), and nanowollastoniteimpregnated fungus-exposed (NW-FE) specimens
The results of the weight measurements before and after being exposed to A. nigra demonstrated that all cotton textile specimens were increased in weight after the exposure to the fungus
Summary
Different fungi spores are suspended in the air and are moved by air. This puts precious materials made from cellulosic materials at great risk of contamination and disintegration (Grace et al 2017, Tanny et al 2017, Tupciauskas et al 2017). Cellulose and lignocellulose materials are amongst the materials that can be degraded by different fungi (Schmidt 2006, 2007, Abdel-Kareem 2010a, b, Maresi et al 2013). The main ingredient of cotton textiles is cellulose, a bio-polymer.
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