scholarly journals Cellulase Pretreatment on Mercerized Cotton to Enhance X-Linking, Self-cleaning, and Antibacterial Properties Using Nano TiO2/CA/BTCA: Statistical Approaches

2013 ◽  
Vol 8 (4) ◽  
pp. 155892501300800
Author(s):  
Ali Nazari ◽  
Majid Montazer ◽  
Navid Nasirizadeh ◽  
Behnam Namiranian
Keyword(s):  
Antibacterial Properties ◽  
Cotton Fabrics ◽  
Cross Linking ◽  
Gram Negative Bacteria ◽  
Nano Tio2 ◽  
Self Cleaning ◽  
Pre Treatment ◽  
Escherichia Coli Bacteria ◽  
Recovery Angle ◽  
Fabric Surface

In this study, cellulase pre-treated mercerized cotton (EMC) fabrics were treated with citric acid (CA), butane tetra carboxylic acid (BTCA) and nano TiO2 (NTO) to produce fabric with enhanced cross-linking, self-cleaning, and antibacterial properties. However treatment of EMC fabrics with NTO/CA/BTCA has not been reported. The NTO particles were stabilized on the cotton surface using CA/BTCA cross-linking agents. In order to create optimum dry crease recovery angle (DCRA), self-cleaning based on (ΔE*) and bacteria reduction against Gram-positive and Gram-negative bacteria, the appropriate models were obtained based on Design of Expert software. The roles of CA, BTCA and NTO concentrations in cross-linking, self-cleaning, and antibacterial properties of the EMC fabric were investigated using response surface methodology (RSM). Overall, the cellulase pre-treatment of the mercerized cotton fabrics improved the antibacterial activity against Staphylococcus aureus and Escherichia coli bacteria, and also enhanced DCRA and self-cleaning properties significantly as compared with control samples. Also, reflectance spectra analyses (200–400 nm) and Scanning Electron Microscopy (SEM) were employed to confirm the NTO particles on the EMC fabric surface.

Simultaneous Fixation of Wrinkle-Free Finish and Reactive Dye on Cotton Using Response Surface Methodology

2017 ◽  
Vol 36 (2) ◽  
pp. 119-132 ◽  
Author(s):  
Sharjeel Abid ◽  
Tanveer Hussain ◽  
Ahsan Nazir ◽  
Zulfiqar Ali Raza ◽  
Amna Siddique ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Cost Effectiveness ◽  
Response Surface ◽  
Developing Country ◽  
Reactive Dye ◽  
Cotton Fabrics ◽  
Cross Linking ◽  
Color Fastness ◽  
Color Strength ◽  
Recovery Angle

In printing and resin finishing of cotton fabrics, the curing step is involved twice, firstly for fixation of reactive dye and secondly for the fixation of resin for proper cross-linking. In developing country like Pakistan, where cotton is a major portion of textile exports, the elimination of one fixation stage is economical and advantageous. This study dealt with the simultaneous fixation of wrinkle-free finish (resin) and reactive dye printing for cost effectiveness. The processed route of treatment imparted a maximum dry crease recovery angle of 230° and color strength up to 89.89%. The produced fabrics were characterized using crocking fastness (dry and wet), color strength sum %, color fastness to laundry, crease recovery angle, and wrinkle recovery by appearance method. Response surface optimizer gave good composite desirability value (0.08300) with color strength % of up to 73.73 and dry crease recovery angle up to 218°.

scholarly journals Facile In Situ Synthesis of ZnO Flower-like Hierarchical Nanostructures by the Microwave Irradiation Method for Multifunctional Textile Coatings

Nanomaterials ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 2574
Author(s):  
Maria Antonia Tănase ◽  
Andreia Cristina Soare ◽  
Petruţa Oancea ◽  
Adina Răducan ◽  
Cătălin Ionuţ Mihăescu ◽  
...  
Keyword(s):  
Microwave Irradiation ◽  
Dye Degradation ◽  
Antibacterial Properties ◽  
Cotton Fabrics ◽  
In Situ Synthesis ◽  
Zno Nanoparticle ◽  
Time Saving ◽  
Nanoparticle Deposition ◽  
Self Cleaning

ZnO nanoparticle-based multifunctional coatings were prepared by a simple, time-saving microwave method. Arginine and ammonia were used as precipitation agents, and zinc acetate dehydrate was used as a zinc precursor. Under the optimized conditions, flower-like morphologies of ZnO aggregates were obtained. The prepared nanopowders were characterized using X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and UV/Visible spectroscopy. The developed in situ synthesis with microwave irradiation enabled significant ZnO nanoparticle deposition on cotton fabrics, without additional steps. The functionalized textiles were tested as a photocatalyst in methylene blue (MB) photodegradation and showed good self-cleaning and UV-blocking properties. The coated cotton fabrics exhibited good antibacterial properties against common microbial trains (Staphylococcus aureus, Escherichia coli, and Candida albicans), together with self-cleaning and photocatalytic efficiency in organic dye degradation. The proposed microwave-assisted in situ synthesis of ZnO nanocoatings on textiles shows high potential as a rapid, efficient, environmentally friendly, and scalable method to fabricate functional fabrics.

Fabrication of cotton fabrics with durable antibacterial activities finishing by Ag nanoparticles

2018 ◽  
Vol 89 (5) ◽  
pp. 867-880 ◽  
Author(s):  
Yunping Wu ◽  
Yan Yang ◽  
Zhijie Zhang ◽  
Zhihua Wang ◽  
Yanbao Zhao ◽  
...  
Keyword(s):  
Photoelectron Spectroscopy ◽  
Inductively Coupled Plasma ◽  
Antibacterial Properties ◽  
Antimicrobial Activities ◽  
Cotton Fabrics ◽  
Synthesis Process ◽  
Ag Nps ◽  
X Ray ◽  
E Coli ◽  
Fabric Surface

In this paper, we propose a facile and mild route to prepare size-tunable silver nanoparticles (Ag NPs) and their finishing application on fabrication of antibacterial cotton fabrics. The as-prepared Ag NPs, with an average particles size of 2.3 nm, show the minimal inhibitory concentration of 7.8 µg/mL and the minimum bactericidal concentration of 15.6 µg/mL, respectively. In this study, sodium citrate served as a stabilizing agent to prevent Ag NP agglomeration in the synthesis process, and citric acid acted as a binder to fix Ag NPs on the cotton fabrics through chemical bonds in the finishing process. The results of Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy (UV-vis), X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy demonstrate that Ag NPs have been fixed and well dispersed on the cotton fabric surface. Ag contents in the hybrid fabrics were measured by the techniques of inductively coupled plasma atomic emission spectroscopy and UV-vis, and the antibacterial properties of hybrid fabrics were tested by the shake flask and agar diffusion plate method. It is found that the Ag NP coated cotton fabrics exhibit excellent antimicrobial activities against both the Gram-negative bacterium of Escherichia coli (E. coli) and the Gram-positive bacterium of Staphylococcus aureus ( S. aureus). The percentages of reduction bacteria remain at 91.8% and 98.7% for S. aureus and E. coli, respectively, even after 50 cycles of consecutive laundering, which indicates that the antibiotic performance of the as-fabricated hybrid fabrics is also durable.

scholarly journals Dyed fabrics modified via assembly with phytic acid/berberine for antibacterial, UV resistance, and self-cleaning applications

2019 ◽  
Vol 14 ◽  
pp. 155892501988897
Author(s):  
Jiaojiao Liu ◽  
Xinghuan Lin ◽  
Hui’e Liang
Keyword(s):  
Phytic Acid ◽  
Uv Light ◽  
Cotton Fabrics ◽  
Uv Resistance ◽  
Light Fastness ◽  
Bacterial Reduction ◽  
Berberine Hydrochloride ◽  
Self Cleaning ◽  
Dyed Fabrics ◽  
Fabric Surface

There is a growing demand for dyed cotton fabrics for antibacterial and UV-resistant materials application. Here, we use titanium dioxide (TiO2) to improve the UV resistance and impart self-cleaning property to cotton fabrics. Besides, to produce antibacterial dyed fabrics, berberine hydrochloride is used as a dye and antibacterial agent. Phytic acid and berberine hydrochloride are coated onto the fabrics via self-assembly to improve the light fastness. Scanning electron microscopy and Fourier-transform infrared spectroscopy tests show that TiO2 nanoparticles are grafted onto fabrics, and phytic acid (–) and berberine hydrochloride (+) are successfully assembled onto the fabric surface. The treated fabrics exhibit excellent UV light fastness and good self-cleaning property. Most importantly, the obtained cotton fabrics illustrate remarkable antimicrobial activity against Staphylococcus aureus and Escherichia coli O157:H7 with 97.63% and 84.52% bacterial reduction within 60 min of contact time, respectively. Therefore, our designed dyed antibacterial fabrics may have great potential for use in textiles.

scholarly journals Preparation of durable superhydrophobic cotton fabric for self-cleaning and oil–water separation

2021 ◽  
Author(s):  
Qingbo Xu ◽  
Xiating Ke ◽  
Zongqian Wang ◽  
Peng Wang ◽  
Changlong Li
Keyword(s):  
Surface Energy ◽  
Cotton Fabric ◽  
Superhydrophobic Surface ◽  
Lower Surface ◽  
Cotton Fabrics ◽  
Water Separation ◽  
Oil Water Separation ◽  
Oil Water ◽  
Self Cleaning ◽  
Fabric Surface

Abstract Improving the surface roughness and reducing the surface energy are the main strategies for constructing cotton fabrics with superhydrophobic surface. However, the complex finishing process and poor durability still impede the production and application of superhydrophobic cotton fabrics. Therefore, it is critical to produce superhydrophobic fabrics with excellent durability via a noncomplicated method. In this work, monomers of methyl methacrylate (MMA) and trifluoroethyl methacrylate (TFMA) were polymerized via free radical polymerization to produce a fluoropolymer. Then, the fabric was coated with the fluoropolymer to construct a superhydrophobic surface via the pad-dry-cure technology. The TFMA unit in the fluoropolymer had lower surface energy than the MMA unit. Under the high-temperature curing condition, the MMA unit in the fluoropolymer was grafted onto the cotton fabric via transesterification, and the TFMA was exposed on the fabric surface. The finished fabric showed durable superhydrophobic properties, outstanding oil–water separation properties, and excellent self-cleaning properties. Given the results, the finished fabric has great potential application in clothing and industrial fields.

scholarly journals Effect of Pre-Treatment on the Smoothness Behaviour of Cotton Fabric

2019 ◽  
Vol 27 (5(137)) ◽  
pp. 70-79
Author(s):  
Nidhi Sisodia ◽  
M.S. Parmar ◽  
Saurbh Jain
Keyword(s):  
Image Processing ◽  
Surface Roughness ◽  
Digital Image Processing ◽  
Cotton Fabric ◽  
Digital Image ◽  
Evaluation System ◽  
Pre Treatment ◽  
Recovery Angle ◽  
Bending Length ◽  
Fabric Surface

Before dyeing, woven cotton fabrics have been passed through different pre-treatments like desizing, scouring, bleaching and mercerising to enhance quality. In every treatment cotton fabric is treated with different chemicals and mechanical processes. After these treatments, the feel of the fabric has been changed. The change in feel or in terms of the hand value of treated fabrics were analysed by determining the bending length, crease recovery angle, SEM, FTIR, surface roughness and smoothness properties. Other physical properties viz. the tear and tensile strength were also evaluated. Fabric surface roughness and smoothness were determined using the Kawabata Evaluation System (KES) and digital image processing method. Using MATLAB software, digital image processing techniques were used to evaluate the roughness index. The study revealed that the pretreatment process alters the fabric surface. Statistical analysis (ANOVA) was carried out using SPSS software in order to establish the relationship between the pre-treatment process effect on the bending length, smoothness and crease recovery angle.

Effect of Radial Location of Cross Links in Cellulose Fibers on Fabric Properties

1969 ◽  
Vol 39 (5) ◽  
pp. 413-421 ◽  
Author(s):  
John J. Willard ◽  
Giuliana C. Tesoro ◽  
Emery I. Valko
Keyword(s):  
Mechanical Properties ◽  
Pore Structure ◽  
Cellulose Fibers ◽  
Cotton Fabrics ◽  
Cross Linking ◽  
The Core ◽  
Cross Links ◽  
Peripheral Areas ◽  
Recovery Angle ◽  
The Individual

Mercerized cotton fabrics cross-linked preferentially in the core of the individual fibers were prepared by rinsing off part of the DMEU before curing from the peripheral areas with ethanol. Native cotton, due to its pore structure, does not lend itself readily to this technique. This pore structure is also reflected in the dyeability of native cotton from alcoholic dye solution in contrast to the behavior of the mercerized fiber. The core-crosslinked fibers give much higher substitution in carbanilation and benzoylation than uniformly cross-linked fibers of the same content of fixed cross-linking reactant. The fabrics of core-crosslinked cotton exhibit a favorable balance of mechanical properties. Such fabrics were shown, e.g., to possess a dry crease recovery angle of 280° (W + F) and, at the same time, the abrasion resistance equal to that of uncrosslinked fabrics.

scholarly journals Self-cleaning and Antibacterial Properties of ZnO Nanoparticles on Cotton Fabric Treated with Maleic Acid

2021 ◽  
Vol 27 (1) ◽  
pp. 90-95
Author(s):  
Shirin NOURBAKHSH
Keyword(s):  
Methylene Blue ◽  
Cotton Fabric ◽  
Zno Nanoparticles ◽  
Maleic Acid ◽  
Antibacterial Properties ◽  
Color Difference ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Self Cleaning ◽  
Recovery Angle

Bi-functional finishes of cotton such as wrinkle resistance with antibacterial and self-cleaning are important in textile industry. In this case, reducing cost and duration of processing is essential. For this purpose, cotton fabric was treated with different concentrations of maleic acid (MA), sodium hypophosphite (NaH2PO2) and Zno nanoparticles in two methods of  separately and simultaneously. Crease recovery angle and weight gain tests were examined. For measuring carboxylic acid groups of maleic acid treated cotton fabrics, methylene blue dye was used, and then, reflective spectrophotometer was used to determine methylene blue dye absorption .Self-cleaning and antibacterial properties of ZnO nanoparticles treated cotton fabric were investigated.  For measuring zinc amount, atomic absorption analysis was applied. As the Maleic acid concentration increased, weight gain, crease recovery angle and color yield increased. Color difference or self-cleaning effect of treated fabrics showed that by increasing maleic acid concentration, color difference increased in separate method. In simultaneous treatment, by increasing MA concentration and cross-linked sites, there was a slight increase in ∆E and self-cleaning effect. Results indicated that ZnO nanoparticles amount in separate method of treatment increased as compared with simultaneous method. Antibacterial performance decreased for simultaneous method of ZnO nanoparticles treatment.

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