Dyeing plays a vital role in the textile industry, however, associated health and environmental issues have raised significant concerns regarding the types of dyes used. Among these, natural dyes, particularly those derived from plants, exhibit superior safety and environmental performance, making them a more sustainable alternative. Moreover, fabrics dyed with plant dyes can acquire diverse functional properties, including antimicrobial characteristics, attributed to various active ingredients present in plants during the dyeing process. With increasing environmental consciousness and the rising demand for functional fabrics, natural plant dyes have garnered growing attention. In our research, a systemic review of the antimicrobial properties of plant dyes in the textile field was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses method. A literature search was executed through the PubMed and Web of Science databases, from which 132 articles were selected. The results indicate that the overall number of publications in this field is on the rise, especially showing a significant increase in the past 7 years, demonstrating substantial research value and potential. Furthermore, this study conducted an analysis of the content included in the literature, summarizing the different standards and characteristics of antimicrobial testing, with a focus on revealing the antimicrobial mechanisms of plant dyes. It also discussed the mordants and other treatment methods that can effectively enhance the antimicrobial properties of plant dyeing. Building on this foundation, this review discusses the advantages, application potential, and future research directions of antimicrobial natural dyes derived from plants. Through this review, relevant researchers can gain a clearer understanding of the current state and development trends of plant-based natural dyes in terms of antimicrobial properties, thereby promoting further exploration in this field.
This work presents a new compound to improve thermal comfort and decrease energy usage. The compound is composed of palm fiber, clay, and sand. The purpose of the paper is to assess the impact of combining sustainable and bio-sourced materials into bricks as heat-insulating materials, in addition to embedding the use of biocomposites in buildings. The composites were prepared by adding date palm fibers (size of 0.4 mm) with varying weight concentrations (from 0 wt% to 5 wt%). On the other hand, this biocomposite has been experimentally verified in terms of thermal and physicochemical characterization and energy economy. The TGA and DSC analyses revealed that including DPF impacted the matrix’s thermal properties. The results of FTIR and XRD indicate that fiber inclusion does not influence the chemical structure of the matrix and the non-emergence of new chemicals. This means chemical stability. SEM microscopy images also showed that palm fiber mergins do not affect the matrix. This is due to the excellent blend between palm fiber and clay, which increases the vacuum volume and porosity. Furthermore, the results showed a noticeable decrease in thermal conductivity as the palm fiber weight increased. As well as the energy economy. Hence, DPF has an excellent impact on the thermal and physicochemical properties of the biocomposite. Therefore, adding palm fiber to biocomposites enhances thermal insulation in construction.
Materials of engineering and construction. Mechanics of materials, Chemical technology
Polyoxometalate-based composite materials have recently attracted extensive attention due to their unique structural characteristics and physicochemical properties. In the present work, a flexible anti-UV blocker compatible with cotton fabric was prepared by simple covalent bond self-assembly of carboxyl group (−COOH) and phosphomolybdate. The resultant cotton fabrics were investigated and confirmed by FT-IR, PXRD and SEM-EDS, demonstrating the successful preparation of polyoxometalate-based composite fabric. The UV spectrum of as-designed composite fabric imparts excellent UV absorption capacity and the UPF value reaches 397.19, which is far superior to original cotton (7.09). Furthermore, the blocker was tested on the photosensitive material in direct UV irradiation, which proved its outstanding performance as a flexible, wearable, and visualized UV blocker. In addition, the experimental results confirmed that the prepared composite material exhibited an excellent and stable UV resistant performance (UPF: 100+) after 5 days UV aging irradiation and five times washing. The proposed fabrication strategy could promisingly endow polyoxometalate-based fiber materials with extensive applicability potential.
Science, Textile bleaching, dyeing, printing, etc.
Lokesh K S, Bharath Kumar Shanmugam, Shrinivasa Mayya D
et al.
In India, the utilization of natural fibers for developing new composites with desirable properties has been increasing from the last decade. Bio-waste such as fish scale and coconut shell (CS) powder was utilized to develop natural fiber-based composites in the present work. Three composite specimens, i.e., 30 wt% fish scale (FS), 30 wt% CS powder (CS), and 5 wt% fish scale (FS)+ 5 wt% CS powder specimen, were developed. The tensile, flexural, and impact strength testing was carried out on each specimen. A comparative study was drawn between the test results of the specimen. The experimental results showed that the CS powder-based composites yield improved mechanical properties compared to the fish scale-based composites. Furthermore, a quadratic and cubic mathematical model was developed on the experimental results of tensile and flexural testing for each specimen. The regression results show that the cubic regression model yields better prediction results than the quadratic regression model for all the composite specimens. The experimental results showed that the largely available fish scale and CS powder could be used to produce biowaste-based value-added material that provides a sustainable and eco-friendly approach.
Science, Textile bleaching, dyeing, printing, etc.
Energy is the most expensive component in wet processing of textiles and many researchers direct their efforts toward energy-saving processes. In this investigation, we report a low-temperature dyeing process for wool and polyamide 6 (PA 6) fabrics with acid dyes in presence of a novel modified Fenton’s reagent (MFR), namely H2O2/FeSO47H2O/oxalic acid. The said fabrics were dyed with acid dyes containing one and two sulfonic groups in presence of MFR at different pH, temperatures, and durations. The fastness properties of the dyed fabrics were evaluated. The alteration in the chemical structure of the modified wool was monitored by Infrared Spectroscopy together with alkali and urea-bisulfite solubility. The tensile strength and elongation at break of the dyed samples were assessed. Results indicate that the proposed MFR enhanced the dyeability of wool and PA 6 fabrics with the anionic dyes at relatively low temperature. The fastness properties of the dyed fabric were improved that assures the formation of relatively strong covalent bonds between the said fabrics and dyes. The spectroscopic and chemical analyses proved that limited amount of the disulfide bonds in wool keratin were oxidized during the proposed dyeing process. No severe deterioration in the mechanical properties of the dyed samples.
Science, Textile bleaching, dyeing, printing, etc.
In this present work, the surface of date palm leaf fiber has been modified by means of different chemical treatments. The thermal, morphological, mechanical, and water absorption characteristics of DPL fibers were investigated. The effect of the surface modifications of the DPL fibers was envisioned through the SEM micrographs, which shows the existence of voids and rough surfaces because of the elimination of lignin, wax, and pectin from the fiber. FTIR spectroscopy of DPL fibers was done, to check the effects of surface modifications on the fiber composition. XRD analysis confirms the improvement in crystallinity index of the surface-modified DPL fibers. The thermogravimetric analysis confirms augmentation in the thermal stability and tensile strength of the surface-modified fibers. The water absorptivity test conforms the reduction in the water absorption of the DPL fiber after surface modification. Furthermore, the DSC curve shows the temperature range for the moisture vaporization from fibers, fiber degradation, and the formation of char.key words-Natural fiber,Composite,Date palm leaf fiber,XRD,SEM,FTIR
Science, Textile bleaching, dyeing, printing, etc.
Natural plant fibers are outstanding materials in textile industry. The fiber fineness, length and strength are three of the most important indexes to evaluate the fiber quality. Fiber fineness refers to the thickness of the fiber, which is usually expressed by the mass per unit length. The relationship between fiber fineness and fiber diameter is very important for deeper understanding of a new fiber. In this study, three different natural fibers were collected to measure the fiber fineness, diameter, and density. Furthermore, SEM was conducted to detect the fiber cross section, and the correlation equations were constructed between the fiber fineness and diameter. Results showed that vibration method could generate a lower fiber fineness value; all the correlation equations had high accuracy to predict fiber fineness with different diameters, and most of the prediction errors were lower than 10%. In the final equations, the coefficients were 0.825, 0.69, 0.975 of apocynum, ramie, and kenaf fiber, respectively.
Science, Textile bleaching, dyeing, printing, etc.
Jutidamrongphan Warangkana, Rahman Md Ahbabur, Hossain Tareq
et al.
Fashion is a widespread cultural phenomenon which supports cultural attitudes and proposes new ways of acting. This study considers how ecological goals can be applied in the fashion industry through an awareness of its effects on the environment with the aim of conducting the process of designing and manufacturing fashion garments. To understand this needs practically, this study investigates on few industries in Hatyai municipality (Thailand) for knowing their practice on eco-fashion approach to support MSW management properly. The study adopts as its methodology a systematic review of relevant literature covering the twin problems of the degradation of the environment and the shortage of natural resources currently caused by the fashion-garment industry, in search of feasible solutions centred on the concept of eco-fashion. The study also addresses how the concept of ecological clothing can generate a new mentality among consumers. The study identifies concepts, techniques and processes which can economically be applied in producing fashion garments from a more ecologically sound starting point. This paper also sheds light on how corporate social responsibility (CSR) can be practiced within the fashion supply chain. This study contributes to the existing literature by assisting the understanding of the current situation of waste in the fashion-garment industry and the methods necessary to ensure eco-fashion designing and a responsible fashion supply chain.
Aboalasaad Abdelhamid R. R., Sirková Brigita Kolčavová, Bílá Pavlína
et al.
Compression therapy using bandages or socks is the most common treatment for venous leg ulcers and edema. This article aims to compare the compression between long- and short-stretch bandages (LSB and SSB, respectively). Load-elongation curves, cyclic loading, and elastic recovery are investigated for both Cotton/Polyamide/Polyurethane and 100% bleached cotton bandages as LSB and SSB, respectively. Static (resting) and dynamic (working) pressures are measured on seven male legs, 31 ± 3.6 years old, using both two and three layers bandaging. Picopress pressure tests are performed on the ankle and mid-calf positions at gradual decreasing compression from the ankle to the knee. The deviation percentage between the experimental results by Picopress and theoretical calculations using Laplace's law and Al-Khaburi equations is compared. LSB recovered approximately 99% of its original length after stress-relaxation whereas SSB recovered only 93% of its original length after 5 days of cyclic load-relaxation. Moreover, SSB lost approximately 28.6% of its activity after wearing on the human leg for 5 days.
Layer composites reinforced with fabrics – laminates are construction materials in which mechanical properties can be shaped by designing their microstructure appropriately. However, the multi-phase microstructure of laminates makes it difficult to calculate the strength of the laminate constructions, especially when the reinforcement is a fabric. The article presents a special calculation model for determining the strength of an exemplary construction element made of laminate reinforced with a roving fabric with a plain weave made of carbon fibers. The computational model reflected in a simplified way the laminate microstructure, i.e. the number and orientation of the reinforcement fabric layers and its weave, and enabled a simulation of the behavior of the construction element under load up to fracture, which occurred as a result of breaking the reinforcement and interlayer crack – delamination. The simulation results were compared with the results of experimental stand tests. A method of modifying the computational model for laminates reinforced with non-plain weave was also suggested.
Sponge-gourd natural fibers obtained from Luffa cylindrica plant were chemically treated separately using 5−15 wt% NaOH, acetic anhydride and benzoyl chloride solutions. Surface morphological, mechanical and thermal characteristics of untreated and chemically treated fibers were studied. Untreated and modified surfaces of the fibers were characterized by field emission scanning electron microscopy. Tensile tests were carried out by equal length of single fibers to obtain their mechanical properties. The two-parameter Weibull distribution model was applied to find the variation in mechanical properties. Tensile strength, elastic modulus and thermal stability of the fibers were found to significantly increase after chemical treatment.
Science, Textile bleaching, dyeing, printing, etc.
The efforts of fashion modellers, designers, and manufacturers to produce clothing for the modern man have led to a huge variety of stylistic tendencies when designing the clothes. However, they are based on both archetypal principles related to the immutability of the physical parameters of the human body and its psycho-physical needs, related to the design, production, sale and use of clothing. The artist and fashion designer, as well as all the other figures in the consumer-creator chain, are rethinking their role. The value of clothing as a work of art comes to the fore, but it is also very important for the modern man to be significative with the help of clothes which the wearer wears as information on his cultural and philosophical doctrine. The relationship between art and costume is atypical for an average person, but only for one who has a particularly thorough knowledge of both objects and understands that fashion is part of applied art (which means that fashion is on its own way - very individual specific kind of art). In connection with the above works, the object of my research is the process of emulation, processing and applying the artistic experience of XX century painting - i.e. Surrealism in the costume of XX and XXI centuries. How was the transfer of the artistic elements of painting done, their adaptation and modification in some of the most emblematic models of world-famous designers working in the XX and XXI centuries.
Metal product designers have continually employed textile construction techniques which are outside their respective practice to produce different artefacts for the wider market. In a different product application approach, the study seeks to employ crocheting as a textile construction technique to produce hollow metal wares suitable for decorative and storage purposes. To achieve this, the art studio-practice research, coupled with the researchers’ experi-produce model, was employed where materials were randomly selected and subject to experimentation. It was revealed that an 18-gauge copper wire was not suitable for the crocheting process due to its thickness and limited malleability. Contrary, 26 and 28-gauge copper wire was suitable for the loop-forming process without breaks. Further experiment results are carefully captured in this study. The study essentially reveals the possibility of employing crocheting to produce hollow metal wares for specific applications. This widens the creative scope of other designers to exercise different textile construction techniques for hollow metal wares. Considering this, relevant experiments should be conducted to ascertain the outcomes before executing the final piece under strict studio regulations.
Thomas O. Asare, Abdul F. Ibrahim, Peggy M. A. Howard
Smock seemed to have come from far in history and adored due to its beauty and cultural implications to the society. In recent times, the use of smock seemed to be trending as both the young and old, the working class and the non-working class, the rich and the poor find pride in wearing it. While it is becoming widely used and therefore holding high prospects of being an employment avenue for many, the industry, especially in the Tamale Metropolis, has challenges confronting these prospects. This study explores the prospects and challenges of the smock production industry in Ghana with a specific focus in the Tamale Metropolis. A mixed research approach was therefore employed for the study with the justification that, both qualitative and quantitative research needed to complement each other to produce a full sense of the data collected. A sample of 150 smock producers was purposively selected to respond to the questionnaires and interview. It was revealed that the youth (from 18 years or less to 39 years) were mostly attracted to the industry. The study also found that the smock production industry in the Tamale Metropolis has absorbed many unemployed hands, especially the youth in society. However, the major challenges confronting the industry are low patronage of the local fashion and high cost of raw materials for production. It was, therefore, suggested that the government, NGOs and development partners should map out strategic interventions to help revamp the sector to be able to absorb more unemployed Ghanaians in the society.
A facile, solvent-minimized approach to functionalize commercial raw fabrics is described. Reactive vapor deposition of conjugated polymers followed by post-deposition functionalization transforms common, off-the-shelf textiles into distinctly hydrophobic or superhydrophilic materials. The fabric coatings created by reactive vapor deposition are especially resistant to mechanical and solvent washing, as compared to coatings applied by conventional, solution-phase silane chemistries. Janus fabrics with dissimilar wettability on each face are also easily created using a simple, three-step vapor coating process, which cannot be replicated using conventional solution phase functionalization strategies. Hydrophobic fabrics created using reactive vapor deposition and post-deposition functionalization are effective, reusable, large-volume oil–water separators, either under gravity filtration or as immersible absorbants.
Chemicals: Manufacture, use, etc., Textile bleaching, dyeing, printing, etc.
Ojsteršek Alenka, Fakin Tomaž, Kleinschek Karin Stana
et al.
The aim of this research was to apply three different types of zeolites and the combination thereof in the form of a very fine powder, together with different chemicals and additives on polyamide knitted fabric according to an industrially acceptable exhaustion procedure in order to study changes in the morphology, optical properties and wettability of surfaces. Zeolites were analysed using Scanning Electron Microscopy (SEM), Fourier Transform Infrared Spectroscopy (FTIR) and gas physiosorption. Additionally, the morphology of zeolite-coated surfaces was examined closely using SEM, while changes in molecular-chemical level were examined by means of IR spectroscopy. Optical properties were studied using CIE colour measurement and diffuse refl ectance profile determination, while the hydrophilic/hydrophobic character was examined using goniometry. The obtained results show the suitability of the employed exhaustion procedure, depending on the type of zeolite and the composition of the treatment bath. The results also provided evidence of the enhanced wettability of PA fabrics using 4A and 13X zeolites in combination with selected additives.