Presented study is aimed at designing a model for bending length based on the concentrated loading method using 10 parameters extracted from the modified tensile test. After that, a new database has been reproduced by using principal component analysis and the modeling is conducted by regression and artificial neural network (ANN) based on the trial and error method. The obtained R-squared of 0.97

Gelatin/tannic acid nanofibres have been prepared and the effects of production parameters, including high voltage, feeding rate and distance between tip of the needle and collector on the morphology of nanofibres are investigated. The results show that the average nanofibre diameter increases with raising the high voltage values, due to less branching of liquid jet. Increasing the feeding rate leads

The drape, bending and shear properties of a group of woven fabrics have been studied along with the effects of fabric structural parameters on these properties. In addition, the influential effect and relative contribution of bending and shear behavior in the determination of drape is also evaluated. The results show that the crossing over firmness factor, which is related to the weave structure and

The effect of static and dynamic loading on the compression characteristics of hand tufted carpets has been studied using two types of pile materials. Wool tufted carpets are found to show better retention of thickness. Higher tuft density is found to assist retention of thickness, while higher pile height results in more thickness loss. Thickness loss is also found to be more at the initial impacts

In this study, pure polyaniline (PANI) and PANI/polyester nanocomposites (wt % 10, 20 and 30) of thickness 10 mm have been synthesized by co-precipitation method to investigate their electrical properties. Pure PANI and its composites are then characterized using SEM, FTIR, DSC, I-V Hall and dielectric techniques. From SEM, it is observed that the particles are spherical and lying in range of micron

A novel instrument has been developed to determine the fluid handling capacity of different types of wound dressings, irrespective of their structure and composition. The instrument is developed with custom built wound bed/plate with specially designed path to control the amount and flow rate of wound exudates, simulating the actual wound alike conditions. The instrument has provision to apply compression

Physical vapor deposition - plasma enhanced chemical vapor deposition (PVD-PECVD) system has been used exclusively for deposition and doping of carbonaceous films [silver nanoparticles (Ag-NPs)] on cotton fabrics and the findings are compared, in terms of technical efficiency and microbial inhibition, with those of the magnetron sputtering (MS) technique. It is found that the proposed technique presents

A novel method for biosynthesis of silver nanoparticles using a polyphenolic pigment (melanin) has been proposed to impart antimicrobial properties to wool fabric. A diphenolic catechol has been combined with potato juice to produce melanin, which is used as a simultaneous reducing and dispersing agent for the synthesis of silver nanoparticles. The process variables used for the synthesis of melanin

Nano composite of graphene/zirconium dioxide has been produced and then coated on the surface of cotton fabric. Scanning electron microscope and transmittance electron microscope of sample prove the existence of nano zirconium dioxide distribution on the surface of cotton fabric. Results show that the electrical conductivity of treated sample has increased in comparison with sample without graphene/zirconium

An instrument has been designed and developed to measure the smoothness behavior of finished cotton fabrics. The instrument is based on pendulum principle. The weight (hang on string) comprises a frictionless wheel movable along arc shaped platform. The platform acts as a sample holder. When the weight is subjected to push, it swings back and forth in the platform. The amplitude of the swing reduces

A multi-criteria group decision making method has been applied for grading of silk cocoons which employs the proficiency of three experts as decision makers to alleviate the fuzziness underlying in silk cocoon parameters. Fuzzy-TOPSIS approach of multi-criteria group decision making method has been used in this study. Four quality parameters of silk cocoon, viz. good cocoon percentage, cocoon weight

Tasar and muga silk yarns have been dried at 80ºC, 100ºC and 140ºC and the effect of temperature on tensile and structural properties is investigated. No significant effect of drying on tenacity of tasar and muga silk yarn is observed. However, elongation decreases with drying due to increase in moisture loss with temperature. Crystallinity has no effect even when dried up to 140˚C. Scanning electron

The present research work is aimed at designing the woven velour printed terry fabrics with improved overall performance. The influence of pile height, pick density and pile count (one ply and two ply both) on the water absorbency of fabric has been studied. Thirty samples have been prepared by changing variables as per Box – Behnken design of experiments. These variables are optimised for achieving

Biocomposites are being explored by research communityfor the past few decades due to rising environmental concerns. Moisture uptake, poor interface and moderate to lower mechanical properties have proved to be a bottleneck for biocomposites to partially or fully replace synthetic composites. The concept of hybridising, i.e. incorporating two or more reinforcements instead of single reinforcement in

The effect of static and dynamic loading on the compression characteristics of hand tufted carpets has been studied using two types of pile materials. Wool tufted carpets are found to show better retention of thickness. Higher tuft density is found to assist retention of thickness, while higher pile height results in more thickness loss. Thickness loss is also found to be more at the initial impacts

The drape, bending and shear properties of a group of woven fabrics have been studied along with the effects of fabric structural parameters on these properties. In addition, the influential effect and relative contribution of bending and shear behavior in the determination of drape is also evaluated. The results show that the crossing over firmness factor, which is related to the weave structure and

Gelatin/tannic acid nanofibres have been prepared and the effects of production parameters, including high voltage, feeding rate and distance between tip of the needle and collector on the morphology of nanofibres are investigated. The results show that the average nanofibre diameter increases with raising the high voltage values, due to less branching of liquid jet. Increasing the feeding rate leads

The present research work is aimed at designing the woven velour printed terry fabrics with improved overall performance. The influence of pile height, pick density and pile count (one ply and two ply both) on the water absorbency of fabric has been studied. Thirty samples have been prepared by changing variables as per Box – Behnken design of experiments. These variables are optimised for achieving

A novel instrument has been developed to determine the fluid handling capacity of different types of wound dressings, irrespective of their structure and composition. The instrument is developed with custom built wound bed/plate with specially designed path to control the amount and flow rate of wound exudates, simulating the actual wound alike conditions. The instrument has provision to apply compression

A multi-criteria group decision making method has been applied for grading of silk cocoons which employs the proficiency of three experts as decision makers to alleviate the fuzziness underlying in silk cocoon parameters. Fuzzy-TOPSIS approach of multi-criteria group decision making method has been used in this study. Four quality parameters of silk cocoon, viz. good cocoon percentage, cocoon weight

A novel method for biosynthesis of silver nanoparticles using a polyphenolic pigment (melanin) has been proposed to impart antimicrobial properties to wool fabric. A diphenolic catechol has been combined with potato juice to produce melanin, which is used as a simultaneous reducing and dispersing agent for the synthesis of silver nanoparticles. The process variables used for the synthesis of melanin

An instrument has been designed and developed to measure the smoothness behavior of finished cotton fabrics. The instrument is based on pendulum principle. The weight (hang on string) comprises a frictionless wheel movable along arc shaped platform. The platform acts as a sample holder. When the weight is subjected to push, it swings back and forth in the platform. The amplitude of the swing reduces

Physical Vapor Deposition - Plasma Enhanced Chemical Vapor Deposition (PVD-PECVD) systems are used exclusively for deposition and doping of carbonaceous films. However, this technique presents promising characteristics for the deposition of silver nanoparticles (Ag-NPs) on textiles, which meet the industrial demand for a more versatile and efficient methodology than the Magnetron Sputtering (MS) technique

Nano composite of graphene/zirconium dioxide has been produced and then coated on the surface of cotton fabric. Scanning electron microscope and transmittance electron microscope of sample prove the existence of nano zirconium dioxide distribution on the surface of cotton fabric. Results show that the electrical conductivity of treated sample has increased in comparison with sample without graphene/zirconium

Tasar and muga silk yarns have been dried at 80ºC, 100ºC and 140ºC and the effect of temperature on tensile and structural properties is investigated. No significant effect of drying on tenacity of tasar and muga silk yarn is observed. However, elongation decreases with drying due to increase in moisture loss with temperature. Crystallinity has no effect even when dried up to 140˚C. Scanning electron

In this study, pure polyaniline (PANI) and PANI/polyester nanocomposites (wt % 10, 20 and 30) of thickness 10 mm have been synthesized by co-precipitation method to investigate their electrical properties. Pure PANI and its composites are then characterized using SEM, FTIR, DSC, I-V Hall and dielectric techniques. From SEM, it is observed that the particles are spherical and lying in range of micron

Presented study is aimed at designing a model for bending length based on the concentrated loading method using 10 parameters extracted from the modified tensile test. After that, a new database has been reproduced by using principal component analysis and the modeling is conducted by regression and artificial neural network (ANN) based on the trial and error method. The obtained R-squared of 0.97

Biocomposites are being explored by research communityfor the past few decades due to rising environmental concerns. Moisture uptake, poor interface and moderate to lower mechanical properties have proved to be a bottleneck for biocomposites to partially or fully replace synthetic composites. The concept of hybridising, i.e. incorporating two or more reinforcements instead of single reinforcement in

HP Crossbred, JK Crossbred and JK Merino yarns have been spun on the New Model Charkha (NMC) spinning system to find out the suitability of Indian crossbred wool in Khadi sector. These crossbred wools produced in the north temperature region of India have been spun into medium quality yarn linear density of 42 tex. The pure crossbred wool yarns have higher U%, imperfections and hairiness index; and

Polylactic acid with zirconium oxide solution has been deposited by air-jet spinning to obtain a PLA/ZrO2 composite. Zirconium oxide is obtained by hydrothermal technique and the results indicate that zirconia is nanostructured, mesoporous and thermally stable. The precursor solutions are formed by different amounts of PLA and zirconia. PLA/ZrO2 composite is formed by nanofibres with a random distribution

Four different varieties of cotton fibres have been used for X-ray diffraction study using in-house programs. X-ray data have been corrected for instrumental broadening and Lorentz polarization factors before using them for further analysis. Using Peakfit® program, 13-15 Bragg reflections are identified and cell parameters are determined by CHECKCELL®. Full width at half maxima (FWHM) of these reflections

The present study aims at investigating the influence of yarn structure, modified through process parameters of ring frame (spindle speed, twist multiplier and ring frame draft), on low-stress mechanical, thermal properties and transmission properties of fabric. It is observed that the structural changes influence thermal, transmission and low-stress mechanical characteristics of fabrics due to change

This paper reports a simple, quick and reasonably accurate approach for measuring the bending rigidity of yarns. The beam method has been adapted and applied using a bending frame that has a fixed support and a simple support. The yarns are left to bend under the effect of their own weight. The accuracy and the precision of that bending frame are assessed over the time using an isotropic material and

The present study is aimed at accessing the impact of elastane core liveliness on physical and mechanical properties of elastane-cotton core-spun yarn fabric. The yarn liveliness is altered by changing draw ratio on ring frame and thus the elastane core % in the yarn. The 4 samples of 30s Ne elastane core-spun cotton yarn have been produced using 40 den elastane having 5, 7, 9 and 11% elastane core

The influence of some feed filament parameters and weave on compression and recovery behaviour of air-jet textured yarn fabrics has been studied and compared with their corresponding parent yarn fabrics. Fabric low load compression-recovery behaviour has been analysed by defining initial thickness, compression parameter, recovery parameter and resiliency. Fabrics made from coarser yarn (larger total

The effect of dynamic fatigue loading on the carpet samples subjected to long-time UV radiation exposure has been studied. The carpet samples are first subjected to different UV exposure time and then dynamic loading is imposed to the samples. In each case, the thickness loss of the carpets is measured. The results show that the UV exposure time has a slight effect on the thickness loss of the carpets

The porosity and air permeability of 3D polyester warp knitted spacer fabric has been determined by optimizing the structural parameters and using Box and Behnken experimental design. Spacer fabrics are developed by using polyester multifilament of 80 - 120 denier on the face layer and 30 - 70 denier on the bottom layer. Polyester monofilaments of 20 - 40 denier are used in the middle layer, deciding

Kevlar and polyester (PET) composite structures have been developed through layering by impregnation with optimized corn starch shear thickening fluid (CS−STF), prepared using corn starch (CS) and polyethylene glycol (PEG). Corn starch has been characterized for particle size and distribution through dynamic light scattering. The CS and PEG ratio (40:60, 46:54, 52:48 and 58:42) has been studied through

The effect of two softeners (Sapamine® OC and Ultratex® ASG) on physical properties of BTCA finished cotton fabric has been studied. Bleached cotton fabrics are treated with 1, 2, 3, 4-butane tetracarboxylic acid (BTCA) followed by finishing with a cationic and a silicone softener by conventional pad-dry-cure method. Properties, such as crease recovery angle, absorbency, whiteness index, tensile strength

A cartridge based fibrous filtration system has been designed and investigated. For the fibrous medium, needle-punch nonwoven structure has been selected and different nonwoven samples are analysed for the water purification. A series of different needle-punched nonwovens made of polypropylene have been produced by changing mass per unit area, needling density and fibre linear density. A chemical oxygen

The present study is aimed at analyzing the effect of dry-cleaning solvent on the physical properties of cotton, silk and wool fabrics. The sourced fabrics are dry-cleaned with two different commercial solvents, namely mineral turpentine oil, and dipropylene glycol dimethyl ether. The fabrics are dry-cleaned separately for 5, 10 and 15 times with each solvent and analysed for their performance. The

Onion peels have been fermented prior to dyeing of silk to enhance the dyeing efficiency. The conditions have been changed by mixing the nutrients and microorganisms, and the differences in color and fastness are evaluated. Sucrose and dry yeast (Saccharomyces cerevisiae), important factors affecting the fermentation, have been used as nutrients and microorganisms for fermentation. The study has also

The influence of moisture management finish on comfort characteristics of knitted fabrics made from five different yarns has been studied in order to find out their level of performance. In order to study this effect, five types of yarns, namely microdenier polyester, spun polyester, polyester / cotton, filament polyester and 100% cotton, have been converted to knitted fabrics. It is observed that

In this study, attempts have been made to replace sodium hydrosulphite with alkaline catalase in combination with iron (II) salt for dyeing cotton with vat dyes. The results show that alkaline catalase with iron (II) salt is quiet effective and capable of substituting sodium hydrosulphite with comparable dye strength and colour fastness. While reduction potential values of dyebaths are found to be

In order to effectively improve the detection probability for different types of fabrics and defects, a fabric defect detection method based on pyramid histogram of edge orientation gradients (PHOG) and support vector machine (SVM) has been proposed. The algorithm combines fabric texture statistical method and machine learning method. It has two main parts, namely the feature extraction and classification

The polyurethane nanofibres have been prepared by electrospinning and the effects of different types of acids, bases, and salts on nanofibre diameters within the polyurethane solutions are studied. Nanofibre diameters are measured with the SEM and the changes in nanofibre morphology are investigated by considering the electrical conductivity, viscosity, and surface tensions of dopants. Deterioration

Thermal comfort properties of 3-Dimensional knitted spacer fabrics have been studied in order to replace the existing polyurethane foams in the car seat and back supports. The influence of different characteristics of spacer fabrics, like structure, areal density, thickness and density on thermo-physiological performance has been studied. The potential thermal behavior is identified with the support

Cotton yarns have been pretreated with the additives, such as chitosan, microcrystalline chitosan, quaternized chitosan & aqueous extract from the fruit of Diospyros mollis Griff, as well as with the commercial formaldehyde-free cationic fixing agent (Sera® Fast C-NC) & alum (post-mordanting), and their dyeing fastness properties are studied. These treated cotton yarns are then dyed with the annatto

Moisture management behaviour of four different woven fabrics, such as cotton, polyester/cotton blend, microdenier polyester and nylon, has been studied. A wetting agent of ethoxylated alcohol blend and moisture management finishing agents, such as amino silicone polyether copolymer and hydrophilic polymer, have been prepared and used. Moisture management finishes with wetting agent and without wetting

Effect of different stacking sequence of jute and flax fabrics on the tensile, water absorption and wear properties of hybrid composite laminate has been studied. The composites have been manufactured by hand lay-up technique. The stacking sequence configurations are set as JJJJJ (jute-jute-jute-jute-jute), JFJFJ (jute-flax-jute-flax-jute), JFFFJ (jute-flax-flax-flax-jute), FJJJF (flax-jute-jute-jute-flax)

This study is aimed at evaluating the step-precision assembly winding in terms of its potential to accommodate maximum yarn content on a given size of tube. The influence of various parameters related to step-precision winding on yarn content and package geometry of a close step-precision wound package has been studied. The outcome of this study is presumed to be very useful to manufacturers of winding

Time dependent deformation has been observed for mulberry (Bombyx mori) and tasar (Antheraea mylitta) silk. In total extension, the creep component for mulberry is found 5.5% and that of tasar is 5%. Instantaneous extension and secondary creep is found 5% and 7.5% for mulberry and 22.5% and 19% of tasar respectively. Such a difference is ascribed to the intrinsic property of filament fineness and related

Composite meshes of different types have been prepared and used for tissue repair in pelvic floor disorder. An interlocking texture mesh (inter-mesh) and a membrane coated mesh (electro-mesh) have been used based on their structural property and biocompatibility. The proportion of degradation material in inter-mesh (69.6%) is found extremely higher than that of electro-mesh (3.22%), thus leading to

A study has been carried out to engineer the fabric comfort by modifying the internal yarn structure through spinning process parameters. The yarn packing density is found to be one of most influential factors of yarn structure, which governs the comfort aspect of the textile material. The work reported here mainly deals with the influence of ring frame process parameters, i.e. spindle speed, twist

In the present investigation, the morphology and the porosity of the Sesbania grandiflora fibre has been studied by SEM in order to understand their effects on the capillary structure and the hygroscopic behavior. The physical properties, such as tensile strength, elongation, density, fineness, morphological structure, water absorption coefficient and thermo-gravimetric analysis, have been examined

Woven textile fabrics of cotton, polyester, nylon and polypropylene have been tested for contact and frictional electrification under similar experimental conditions. These fabrics are contacted and rubbed with steel and polytetrafluoroethylene (PTFE) for investigating electrostatic charge generation and dissipation properties between polymer-metal and polymer-polymer materials. Measurements have been

Mechanochemical process, which involves simultaneous ultrasound and alkali treatment, has been used to isolate microcrystalline cellulose (MCC) from raw oil palm empty fruit bunch (REFB) fibre. Three steps have been used to prepare the MCC, namely removal of lignin, removal of hemicellulose and finally production of MCC. The crystallinity index in MCC is found to be 81% which is 54% higher than that

In this study, dyeing parameters, such as dye conc., sodium sulphide conc., salt conc., and time, have been statistically framed through full-factorial design software to generate sets of experimental variables. Cotton has been dyed using all these sets of variables separately, and then evaluated for respective surface colour strength (K/S), and colour fastness properties, such as fastness to light

Copper/cotton core-spun yarns have been produced using siro and conventional ring methods, and their mechanical properties and cover factor are analyzed. The results indicate that the cover factor and tensile properties of copper/cotton core-spun yarns decrease with an increase in copper core diameter. Nevertheless, the siro copper/cotton core-spun yarns exhibit higher tensile properties as compared

The influence of blend ratio, as well as amplitude and rate of extension on recovery properties of polyester-cotton blended Eli-Twist yarns have been studied. The composition of the yarn and the testing parameters are found to play important role in deciding the recovery characteristics of the yarn. A higher rate of extension is found to result in more immediate recovery, while a low rate of extension