Jakub Wiener

Jakub Wiener
Technical University of Liberec | TUL · KMI

prof. PhD.

About

206
Publications
76,245
Reads
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1,849
Citations
Citations since 2016
92 Research Items
1495 Citations
20162017201820192020202120220100200300
20162017201820192020202120220100200300
20162017201820192020202120220100200300
20162017201820192020202120220100200300
Introduction

Publications

Publications (206)
Article
The incorporation of microencapsulated phase change materials (MPCMs) into textiles have been realized for personal temperature regulation. However, the hydrophobicity and breathability of MPCM-incorporated fabrics remained improvement. In this work, four commercial fabrics were first treated with a hydrophobic coating and the MPCMs were coated on...
Article
Incorporating phase change materials (PCMs) into textiles is one facial method to realize personal thermal management (PTM). Despite the significant progress of PCM-incorporated textiles, the incorporation of PCMs into textiles remains an outstanding challenge. In this work, we described a sandwich-like multi-layer PCM fabric, which consisted of na...
Article
Full-text available
The aim of the present research work was to develop halogen and formaldehyde-free, durable flame retardant fabric along with multifunctional properties and to find the optimal conditions and parameters. In this research, zinc oxide nanoparticles (ZnO NPs) were grown onto 100% cotton fabric using the sonochemical method. Zinc acetate dihydrate (Zn(C...
Conference Paper
This research work was carried out for the green in-situ synthesis of ZnO nanoparticles onto the 100% cotton fabric. Zinc nitrate hexahydrate [Zn(NO3)2.6H2O] was used as precursor and the Neem (Azardirachta Indica) leaf extract was used as reducing agent. Scanning electron microscopy (SEM) and X ray diffraction (XRD) were done to investigate the su...
Article
Full-text available
High thermostability of phase change materials is the critical factor for producing phase change thermoregulated fiber (PCTF) by melt spinning. To achieve the production of PCTF from melt spinning, a composite phase change material with high thermostability was developed, and a sheath-core structure of PCTF was also developed from bicomponent melt...
Article
Full-text available
The proposed study aims in first part to discuss the structure and behavior of short-stretch cotton woven compression bandage (WCB), and in second part the production and properties of multifunctional WCB. The bandage includes an integrated tension sensor, which causes a change in the spacing of colored threads during its deformation. The motivatio...
Preprint
Full-text available
The cellulose/polyvinyl alcohol (PVA)/expanded graphite (EG) 3D porous foam, which has wide application prospects in cost-effective dye removal, was prepared by physical crosslinking and foaming technology. The prepared foam material has an obvious 3D network and porous structure, exhibiting excellent removal efficiency for methylene blue (MB) in a...
Article
Surface wettability is an influential property and plays a pivotal role in fog harvesting. Two types of surfaces i.e., hydrophilic and hydrophobic are generally used for fog harvesting. A hydrophilic surface provides quick nucleation whereas a hydrophobic surface carries rapid transportation of water droplets. Animals and plants live in arid enviro...
Article
Poly(ethylene glycol) (PEG) is used as phase change materials while the low thermal conductivity restricted the thermal storage efficiency. Incorporation of the metal particles (MPs) into PEG could enhance the thermal conductivity while the crystallization kinetic mechanism of the MP-filled PEG composites is altered. Flake MPs are characterized wit...
Article
Coating of PTFE on the fabrics is one facial method to obtain the hydrophobic/superhydrophobic property. However, the breathability of the PTFE-coated fabrics prepared by traditional methods (e.g., sputtering) is significantly affected. Electrospraying technology was able to create the pure PTFE coating layer on any substrates and the following sin...
Article
Full-text available
Phase change materials (PCMs) were characterized to adsorb/release the thermal energy during the phase transition process over a certain temperature range. The PCMs had been incorporated into textiles to enhance the thermal property and the products are labeled as PCM textiles. The thermal behavior of the PCM textiles (the PCM fibers, the PCM yarns...
Article
Full-text available
This paper presents the preparation of aerogel/polytetrafluoroethylene (PTFE) microporous materials via needleless electrospray technique, by using an aqueous dispersion of polytetrafluoroethylene as the basic spinning liquid. Different contents of aerogel powders were applied to the spinning liquid for electrospraying to investigate the effect on...
Article
Full-text available
At present, electrospinning technology is a versatile and simple method for generating nano-scale membranes, and it provides attractive solutions in solving environmental problems and many energy problems. However, such films generally have low mechanical properties which limit their use in industry. Nanocellulose with excellent mechanical properti...
Conference Paper
The use of ZnO in textile industry is growing rapidly due to its unique functional properties such as antibacterial, self cleaning, UV protection, photo catalytic activity etc. The aim of this research work was in-situ deposition of ZnO on cotton fabrics by sono chemical method. The Zinc nitrate hexahydrate [Zn(NO3)2.6H2O] and sodium hydroxide (NaO...
Article
Full-text available
Zinc oxide nanoparticles (ZnO NPs) have acquired great significance in the textile sector due to their impressive efficiency and multifold utilization, such as antimicrobials, UV protection, photo catalytic activity, and self-cleaning. The aim of this work is in-situ growth of ZnO NPs on 100% cotton fabrics with the one-step hydrothermal method for...
Conference Paper
Different textile material structures have unique geometrical shapes and designs. In this work, Copper/ nickel-coated ultrathin nonwoven fabric was prepared in a strip form. The 3 mm, 6 mm, and 9 mm thick strips were laid at different gaps, angles and layered to study the effect of factors on EM shielding effectiveness as per ASTM D4935-18 standard...
Article
Full-text available
P-aminophenol is a hazardous environmental pollutant that can remain in water in the natural environment for long periods due to its resistance to microbiological degradation. In order to decompose p-aminophenol in water, manganese oxide/polytetrafluoroethylene (PTFE) hollow fiber membranes were prepared. MnO2 and Mn3O4 were synthesized and stored...
Article
The objectives of the present study were to develop the environmental friendly, low price, easy and fast method for developing the antibacterial cuprous oxide coated multifunctional fabrics. At first, fabrics were sensitized with citric acid then the formation of Cu2O particles was done by Fehling solution method. In second step, the cuprous oxide...
Article
Stable energy storage materials have become the research focus today. Coaxial electrospinning can prepare core-sheath nanofibers loaded with phase change materials (PCMs). This method requires the sheath solution have good spinnability and encapsulation ability. Suitable solutions can be prepared by the thermal cross-linking method to improve the p...
Article
Full-text available
Electromagnetically shielding textile materials, especially in professional or ordinary clothing, are used to protect an implanted pacemaker in the body. Alternatively, traditional textiles are known for their non-conductivity and transparency to an electromagnetic field. The main goal of this work was to determine whether the high moisture content...
Article
Full-text available
The introduction of metal particles (MP) in the phase change materials (PCM) realizes the highly efficient thermal energy storage. However, a suitable carrier is necessary for PCM/MP composites for various applications. In this work, the polyethylene glycol (PEG) was used as PCM, five MPs including copper (Cu), aluminum (Al), silver (Ag), iron (Fe)...
Article
Full-text available
COVID-19, classified as SARS-CoV-2, is causing an ongoing global pandemic. The pandemic has resulted in the loss of lives and has caused economic hardships. Most of the devices used to protect against the transmission of the novel COVID-19 disease are related to textile structures. Hence, the challenge for textile professionals is to design and dev...
Article
In the present study, the embedding ZnO nano‐whiskers (NWs) on carbon fiber (CF) surface was carried out to study the changes in Ohmic heating and mechanical stability of carbon fabric reinforced green epoxy composite laminates. The ZnO NWs were grown onto the CF surface by hydrothermal method and subsequently the laminate composites with different...
Article
Full-text available
Zinc oxide (ZnO) nano particles have great importance in textile industry, because of remarkable efficiency and multiple applications such as antibacterial, UV protection, self-cleaning etc. The aim of this research work was in situ growth of ZnO nano particles on 100 % cotton fabrics with the help of ultrasonic acoustic waves. Zinc nitrate hexahyd...
Article
Full-text available
In this present research, a novel microwave hydrothermal method was applied to cotton fabrics to develop a superhydrophobic surface by rapid synthesis of aligned ZnO nanorods on the surface of the cotton fabric. A two-step approach was used to grow the ZnO nanorods. Firstly, the cotton fabric was coated by a seed layer of ZnO nanocrystals, synthesi...
Article
This work was focused on the development of superhydrophobic and UV protective cotton fabric by simple approach. Cotton fabric was coated with TiO2 particles by one step hydrothermal reaction. TiO2 coated fabric was subsequent treated with Trimethoxy(octadecyl)silane (OTMS). The effect of hydrothermal reaction time on synthesis of nanoparticles was...
Article
Embedding of the functional materials into aerogel powders was realized via the filtration method. In this work, the effect of aerogel on the molecule structure of the embedded polyethylene glycol (PEG) was investigated by dispersing aerogel powders in 20wt% PEG aqueous solution with subsequent filtration method. The encapsulation of the PEG in the...
Article
Full-text available
This review paper enlightens the importance of renewable resources such as water and elaborates the role of textiles to enhance the efficiency of fog water collectors. Due to water scarcity, there is a dire need of harvesting water from all of its available resources. Fog is one of those water resources. Fog harvesting is generally considered as on...
Conference Paper
Large number of studies have been conducted on TiO2-based photocatalytic disinfection including bacteria, viruses, fungi, algae, among others. The key parameters for tailoring the surface of the photoactive nanostructures such as the metal functionalization with bacteriostatic properties, hydrophilicity, textural porosity, morphology and the format...
Article
In the present study, flax, jute and glass woven fabric samples were developed as reinforcement for composites with bio-epoxy resin. Flax fabrics were developed with plain weave, twill weave (different areal densities) and unidirectional (UD) structure. Jute fabrics were woven with three different structures i.e. plain, matt and twill respectively....
Article
Full-text available
The growing concerns over desertification have spurred research into technologies aimed at acquiring water from nontraditional sources such as dew, fog, and water vapor. Some of the most promising developments have focused on improving designs to collect water from fog. However, the absence of a shared framework to predict, measure, and compare the...
Preprint
Full-text available
The growing concerns over desertification have spurred research into technologies aimed at acquiring water from non-traditional sources such as dew, fog, and water vapor. Some of the most promising developments have focused on improving designs to collect water from fog. However, the absence of a shared framework to predict, measure and compare the...
Article
Full-text available
The growing concerns over desertification have spurred research into technologies aimed at acquiring water from non-traditional sources such as dew, fog, and water vapor. Some of the most promising developments have focused on improving designs to collect water from fog. However, the absence of a shared framework to predict, measure and compare the...
Article
Full-text available
Polyester is a popular class of material used in material engineering. With its 0.4% moisture regain, polyethylene terephthalate (PET) is classified as highly hydrophobic, which originates from its lack of polar groups on its backbone. This study used a parallel-plate nonthermal plasma dielectric barrier discharge system operating at medium pressur...
Conference Paper
Nanofibers are high-tech materials with excellent properties and there are used in many applications. One of wrong properties of nanofibers are low stability against rubbing. In this study is theoretically analysed mechanism of destruction of nanofibers mats by rubbing. Some methods to increase the mechanical stability of nanofibers are presented.
Article
This paper presents an experimental investigation on the compression behavior of fiber‐reinforced sandwich composites. In this study, five different types of sandwich composites were prepared with warp knitted spacer fabric as middle layer. Four different types of woven Kevlar fabric structures were used as outer layers (skin) along with one sample...
Article
Full-text available
The influence of multilayer assembly on protection against infrared laser light was investigated. Multilayer assembly was exposed to a pulsed laser device, Marcatex 150 Flexi, with wavelength of 10.6 μm. Marking Speed [bits.ms–1] is the influenced parameter of laser irradiation. It presents the speed of burning. Multilayer assembly was consisted of...
Conference Paper
Cellulose nanoparticles have been known for decades. Their potential lies in the easy modifiability of their properties by reactively bounded systems that can carry these properties. The topic of this work is focused on the preparation of cellulose nanoparticles and it will be investigated how the coloring of these particles can be achieved.
Article
The present work was aimed to develop the flame retardant textiles for prevention of second-degree burn injuries from low intensity heat flux accidents. The different concentration of casein suspension was applied on cotton fabrics and their thermo-oxidative properties, flame retardant behavior as well as physiological comfort were examined. From t...
Article
The presented work reported the growth of 3D-shaped TiO2 flower particles on the surface of polyester fabrics using two step approaches of sol–gel technology and hydrothermal method. The scanning electron microscopy, EDS analysis, Raman spectroscopy, and X-ray diffraction techniques were employed to study the effect of titanium isopropoxide (TTIP)...
Article
Full-text available
This research report discusses the intumescent flame resistance and physiological comfort of cotton fabrics after being coated with bilayer assemblies of different concentrations of ammonium polyphosphate (APP) and casein solutions. The flame resistance was investigated using horizontal flame propagation, cone calorimetry and thermo-gravimetric ana...
Article
The focus of this paper is to describe the effect of change in surface friction of single layer para-aramid (Twaron®) square woven fabric and change in knife penetration angle on its Quasi-Static Knife Penetration Resistance (QSKPR). The surface friction of fabric was changed by depositing SiO2 on its surface by using water glass as a precursor. Si...
Article
Full-text available
Comfort along with the aesthetic properties of textile clothing in activewear and sportswear are utmost worthwhile for costumer demand as latest trends. Different types of fibers and yarns are being used to improve the moisture management and comfort of the fabric for next to skin. Nowadays, multifilaments or nano-filaments of polyester with diamet...
Article
Thin polymeric optical fiber (POF) with good illumination is appreciated when POF is utilized as the luminous element in fabric structure. The CO2 laser cutting is employed to create a micro-lens in POF end to optimize the light gathering or light distribution in textile fields. The image analysis implies that the end shape varies from a polynomial...
Article
Full-text available
Maghemite glass fibre nanocomposite with excellent magnetic and adsorption properties was successfully developed from nontoxic and eco-friendly reagents by thermal decomposition approach. The developed nanocomposite was utilized in adsorption of methylene blue which follows Freundlich adsorption isotherm. The excellent value of adsorption capacity...
Conference Paper
The aim of this study is to evaluate the thermal and tactile (sensorial) comfort properties of nanofilament polyester fabric in comparison with cotton and coolmax fabric. In order to measure the sensorial comfort, Kawabata evaluation system (KES) was utilized and thermal comfort was computed by Alambeta. The nanofilament yarns showed the significan...
Article
Full-text available
The aim of this study was to analyze the effect of hydrophobic finish for nano-filament polyester fabric with comparison to hydrophobic finish effect to cotton and Coolmax on the water transport property. nano-filament polyester, cotton and Coolmax fabrics were treated with 1% to 4% solution of hydrophobic finish (ItoguardLJ 100 conc.) to impart hy...
Article
The aim of this research was to find the optimal size of the dolomite particles added to the acrylic coating for use on book canvas. To increase durability and resistance of archived books from acid environment, milled dolomite was used as an alkaline buffering agent. It was found that rough dolomite particles increase the surface roughness and wor...
Presentation
This work is an example of textile applications of cellulose nanoparticles and nanocrystals. There are a range reasons why usage of nanocellulose is becoming more important - It is a biodegradable material with excellent ratio surface/volume, it has high tensile strength and good insulating properties. Materials based on nanocellulose could be used...
Article
Full-text available
The purpose of this study was to examine the effect of spinning technologies and weave design on fabric mechanical and surface properties. For this purpose, ring spun (combed, carded) and open-end (OE) techniques were used to manufacture yarns of polyester cotton (50:50) which were used in the weft, and 100% cotton yarn in the warp. Plain, twill, a...
Chapter
The acrylic fibrous waste was effectively transformed into activated carbon through physical activation in single stage carbonization under charcoal using at different carbonization temperatures 800, 1000 and 1200 °C. The characterization of carbonized fibers was performed with the help of XRD and EDX in order to find out the degree of crystallinit...
Article
In this work, activated carbon (AC) web was prepared using physical activation under the layer of charcoal in high temperature furnace. The carbonization of acrylic fibrous waste was performed at different temperatures (800 °C, 1000 °C, and 1200 °C) with heating rate of 300 °C/h and at different holding time. At 1200 °C, the heating rate of 300 °C/...
Chapter
The textile industry has one of the largest environmental impacts in the world. Owing to ecological concerns, it is necessary to find ways to reduce these environmental impacts. This is true of denim because it is made of cotton, which in most cases is a polluting crop dyed with indigo, a dye with a damaging degree of fixation which initiates huge...
Article
The objective of the present study was to investigate the effect of coating of different concentrations and pH of aqueous casein suspension on thermo-oxidative properties, flame retardant behavior as well as physiological comfort of cotton fabrics. The flame retardant behavior was found to increase with increase in concentration of casein suspensio...
Article
Full-text available
In this study, we report evaluation of buffering and self-sterilizing coating complex obtained by dolomite and zinc oxide particles incorporation into styrene-acrylic layer applied to cotton fabric. Surface properties of the coating were evaluated by SEM, EDS and 3D optical microscopy. Antimicrobial properties were determined using a mixture of G+...
Article
Full-text available
Liquid water transportation through textiles plays an important role in comfort properties. Transport mechanism takes place from liquid's first behavior when get in touch with fabric to last behavior when evaporated to atmosphere. Wetting phenomena has been carried out by liquid and air interface with textile materials. Basically wetting is physica...
Article
In this work, a new approach to apply silica aerogel into nonwoven textiles by using laser engraving and laminating technique was proposed. Thermal performance of the prepared composites were characterized in terms of infrared thermal images, maximum heat flux and heat retention ability. Results showed that in comparison to regular composites the a...