Fabrics chitosan-treated

Chitosan CHITON Co. Ltd., Gdynia, Poland), having a deacetylation degree of 83% and viscosity (1% water solution of acetic acid, pH 3.5—4) of 20 mPas, was deposited on wool fabric pre-treated with enzymes using the pad-dry-fix method [19],... [Pg.132]

A water soluble quaternary ammonium derivative of chitosan (N-(2-hydroxy)propy 1-3 -trimethylammonium chitosan chloride, HTCC) was used as an antimicrobial agent for cotton fabrics. HTCC had a lower minimum inhibition concentration against Staphylococcus aureirs, Klebsiella pneumoiniae and Escherichia coU compared with that of chitosan, but the antimicrobial activity was lost on laundering. However, when cotton fabrics were treated simultaneously with HTCC and polycarboxylic acids (particularly butanetetracarboxylic acid) (BTCA),... [Pg.50]

Journal of AppUed Polymer Science 80, No.13,24th June 2001, p.2495-501 MOLECULAR WEIGHT EFFECT ON ANTIMICROBIAL ACTIVITY OF CHITOSAN TREATED COTTON FABRICS Shin Y Yoo D I Jang J Chonnam,National University... [Pg.64]

Figure 5.4 (a) Untreated polyester woven fabric, (b) Chitosan-treated polyester woven fabric, (c) Nanochitosan-treated polyester woven fabric, (d) Nano silverchitosan-treated polyester woven fabric. [Pg.104]

Appearance and feel of chitosan-treated cotton fabric... [Pg.687]

Figure 19.19 Whiteness index of chitosan-treated cotton fabric as a function of molecular weight and concentration.

Blue dye showed high substantivity toward chitosan-treated fabric than the red. [Pg.693]

Compared to commercial cross-linking agent DMDHEU treatment, the wrinkle recovery of chitosan-treated cotton fabrics... [Pg.701]

Figure 19.31 Determination of antimicrobial activity of chitosan-treated cotton fabric by agar diifiision method [a] Control (5. aureus), (b) Control ( coli), fc] CHT-MC (5. aureus), fd] CHT-MC (E. coli), (e) CHT (5. aureus), ff) CHT (E coli), (g] CHT-D5 fE aureus), [h) CHT-D5 (E coli).

The appearance and handle of nano chitosan-treated cotton fabric was much better than the parent chitosan-treated one. Nano chitosan treatment showed improvement in fiber strength that increased with the reduction in particle size. Nano chitosan treatment reduced the water absorbency to some extent. The dyeability of both chitosan and nano chitosan-treated cotton fabric toward direct dyes was Improved reasonably. Acidification of dye bath further improved the dye adsorption and wash fastness of dyed fabric. [Pg.728]

Pretreated (enzymatic and enzymatic-I-hydrogen peroxide) knitted wool fabrics were treated with argon and atmospheric air plasma to improve adsorption capacity (Demir et al., 2010). After plasma treatment, a chitosan solution was appUed for antimicrobial effect. The treated fabrics were evaluated in terms of washing stabiUty as well as antimicrobial activity. The surface morphology was characterized by SEM images and Fourier transform infrared (FilR) analysis. The results indicate that the atmospheric plasma treatment had an etching effect and increased the fiinctionahty of wool surface. Atmospheric plasma treatment also enhanced the adhesion of chitosan to the surface and improved the antimicrobial activity. [Pg.77]

The study of reuse of wastewater generated in the dyeing of nylon-6,6 fabrics and treated by adsorption process with rylon-6,6/chitosan (80/20) blend flakes were carried out. The efficiency in color removal of the adsorption process varied between 97 and 98% with exception of yellow erinoyl effluents which gave 65%. The reuse of treated wastewater from polyamide dyeing imder the tested condition is feasible although with some restriction for yellow especially (Barcellos et al., 2008). [Pg.36]

Recently, cellulose-based fabrics treated with chitosan (82.9%DD, MW=160kDa) and different metal ions (Zn Zr and Ag" ) have been studied for use in antimicrobial textiles against S. aureus and C. albicans. [Pg.74]

S. M. [2005]. The antimicrobial activity of cotton fabrics treated with different crosslinking agents and chitosan,... [Pg.255]

Gupta, D., and Haile, A. (2007). Multifunctional properties of cotton fabric treated with chitosan and carboxymethyl chitosan,... [Pg.255]

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