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Issue 5 (59) / 2006

Title page       Contents
 

Research and development

Intelligent Materials for Intelligent Textiles

Authors: Boczkowska Anna, Leonowicz Marcin

Interest in intelligent materials has been growing rapidly since the late 1980s, and recently they have become an individual group of materials. A widely-accepted definition states that a material can be called intelligent when it simultaneously...   more »

full text | Pages 13–17

Methods for Evaluating the Shielding Effectiveness of Textiles

Authors: Więckowski Tadeusz W., Janukiewicz Jarosław M.

Materials with electromagnetic screening capabilities are widely used to attenuate the strength of electromagnetic fields in certain areas. Nowadays, instead of metallic shields it is more common to use various types of textile materials with the...   more »

full text | Pages 18–22

Premises for Practical Evaluation
of the Anti-electrostatic Properties of Protective Garments

Authors: Kowalski Jan Maria, Wróblewska Małgorzata

The use of inappropriate working and protective clothing may cause significant electrical charging of both the clothing material and the wearer’s body. Static charge generation on the human body is especially dangerous because of its relatively...   more »

full text | Pages 23–28

Research and Development in the Field of Special Protective Clothing; Requirements for Selected Methods and Products

Authors: Vogel Christian, Beier Hendrik, Erth Holger

Clothes with antistatic properties are demanded in many fields of the industry. This is generally achieved by integrating highly-conductive fibres of different structures. Antistatic functionality is assessed by applying standardised test methods. The ongoing development of...   more »

full text | Pages 29–34

Back Corona in Fabrics

Authors: Kacprzyk Ryszard, Miśta Włodzimierz

This paper emphasises the practical aspect of the maximum surface potential of fabric. The phenomenon of back discharges (back corona) was described, and the possibility of generating these discharges on polymeric fabrics was practically confirmed. The...   more »

full text | Pages 35–38

Effect of Air Humidity on Charge Decay and Lifetime of PP Electret Nonwovens

Authors: Motyl Edmunt, Łowkis Bożena

The effects of air humidity on the charge decay and lifetime of polypropylene (PP) electret nonwovens manufactured by the pneumothermic method are presented. The PP fabric samples were corona-charged from a needle electrode under high voltage....   more »

full text | Pages 39–42

New Products

Textronics – Electrical and Electronic Textiles. Sensors for Breathing Frequency Measurement

Authors: Zięba Janusz, Frydrysiak Michał

The aim of this paper is to present research work into designing prototype textile sensors devoted to measuring a human physiological signal, the frequency of breathing. These sensors may be used in medical applications or for...   more »

full text | Pages 43–48

Magnetic Textile Elements

Authors: Rubacha Marcin, Zięba Janusz

This article presents the properties of magnetic fibres and the opportunities to use them in the construction of textile magnetic elements. Magnetic fibres belong to the group of multifunctional fibres, as independently of their natural textile...   more »

full text | Pages 49–53

Textronic Textile Product

Authors: Michalak Marina, Krucińska Izabella, Surma Beata

This article presents a concept and describes the procedure for manufacturing textronic textile products in the shape of a laminar structure with incorporated electro-conductive channels. We demonstrate that it is possible to introduce electro-conductive elements, such...   more »

full text | Pages 54–59

High Frequency Dielectric Permittivity of Nonwovens

Authors: Hausman Sławomir, Januszkiewicz Łukasz, Michalak Marina, Kacprzak Tomasz, Krucińska Izabella

In this paper, selected direct-current and high-frequency properties of dielectric textile materials for application to textronics are presented. Textronics deals, among other matters, with designing and manufacturing devices which are at the boundaries of electronic and...   more »

full text | Pages 60–63

Nonwovens with Implanted Split Rings for Barriers Against Electromagnetic Radiation

Authors: Michalak Marina, Brazis Romuald, Kazakevičius Vladimiras, Bilska Jadwiga, Krucińska Izabella

This work is a continuation of our investigations into nonwoven structures designed as barriers against electromagnetic radiation. The needled nonwovens were manufactured from polypropylene fibres. On the basis of the measured electric resistance of the fibres...   more »

full text | Pages 64–68

Influence of Structural Parameters of Wale-Knitted Fabrics on their Electrostatic Properties

Authors: Pinar Anna, Michalak Lucyna

This work presents the electrostatic properties of knitted fabrics destined for protective clothing used to protect humans against static electricity. The aim of this research work is to estimate the electrostatic properties of knitted fabrics in...   more »

full text | Pages 69–74

Application of Cathode Sputtering for Obtaining Ultra-thin Metallic Coatings on Textile Products

Authors: Bula Karol, Koprowska Joanna, Janukiewicz Jarosław M.

The need to protect rooms in which people work and sensitive electronic equipment operates against the negative influence of electromagnetic fields (EMF) requires us to search for better and better screening materials, which at the same...   more »

full text | Pages 75–79

Blended Rotor-Spun Yarns with a High Proportion of Flax

Authors: Cierpucha Waldemar, Czaplicki Zdzislaw, Mańkowski Jerzy, Kołodziej Jacek, Zaręba Stanislaw, Szporek Jerzy

We present the results of tests on rotor-spun blended yarns, made with a high proportion of flax, and rotor-spun all-cotton yarns. Of special concern was the method of preparing the fibres and sliver. The flax/cotton sliver...   more »

full text | Pages 80–83

Relationships Between Yarn Diameter / Diameter Variation and Strength

Authors: Kiliç Musa, Okur Ayşe

In this study, relationships between yarn diameter/diameter variation and yarn strength were investigated. For this, we used 100% cotton combed ring yarns of nine types from the same blend which have three yarn counts with three...   more »

full text | Pages 84–87

Applying Notions and Methods of Fuzzy Set Theory to Analysis of Microstructure of Cotton Fracture

Authors: Sarna Ewa, Włochowicz Andrzej, Sarna Marian

The degree of cotton maturity is a significant parameter characterising the properties of a fibre. Many textile properties depends on the degree of cotton maturity. A frequently applied method for determining this is based on the...   more »

full text | Pages 88–91

Polypropylene/(Polyethylene Terephthalate/Polybuthylene Terephthalate) Blend Fibres: Phase Structure and Mechanical Properties

Authors: Marcinčin Anton, Hricová Marcela, Körmendyová Eva, Ujhelyiová Anna, Broda Jan, Janicki Jarosław

This paper deals with conditions for preparation, phase structure and selected properties of polypropylene (PP)-polyester (PES) blend fibres. The dispersed polyester phase in PP matrix is represented by both polyethylene terephthalate (PET) and polybuthylene terephthalate (PBT),...   more »

full text | Pages 92–97

Investigation of the Thermal Insulation Properties of Multilayer Textiles

Authors: Matusiak Małgorzata

Assuring the thermal stability of the human body is one of the most important functions of the clothing. Clothing creates a barrier between the skin surface and surroundings. This barrier influences not only the heat exchange...   more »

full text | Pages 98–102

Estimation of the Overall Heat-transfer Coefficient Through a Textile Layer

Authors: Ziegler Stefan, Kucharska-Kot Jadwiga

The article justifies the use of calculative determination of the heat transfer coefficient k, on the basis of immutable parameters of the textile layer such as thermal conductivity and thickness. A method of elaborating the heat...   more »

full text | Pages 103–106

Establishing the Course and Wale Density of Knitted Fabrics by a Computer Analysis of 2D Images

Authors: Wilbik-Hałgas Bożena, Danych Remigiusz, Więcek Bogusław, Kowalski Krzysztof

On the basis of computer image processing analysis, we carried out an assessment of selected knitted fabrics’ structure properties by establishing the density of double-layer plain knitted fabrics and plain stitch fabrics. It was noted that...   more »

full text | Pages 107–110

Modelling and Designing of Knitted Products Used in Compressive Therapy

Authors: Maklewska Elżbieta, Nawrocki Andrzej, Ledwoń Jolanta, Kowalski Krzysztof

The paper presents a procedure for designing compressive garments (CG) with a pre-set value of unit pressure exerted on the human body, such as are used in the compressive therapy of hypertropic scars (HS). The garment...   more »

full text | Pages 111–113

Application of Fenton’s Reagent in Detergent Separation in Highly Concentrated Water Solutions

Authors: Perkowski Jan, Jóźwiak Wojciech, Kos Lech, Stajszczyk Paweł

The concentrations of surfactants occurring in textile wastewater generated in washing processes reach from tens to several thousands of mg/dm3. A separate problem are the surfactants which remain on the walls of used packages. These remnants...   more »

full text | Pages 114–119

Health Properties of Polyacrylonitrile Blankets Made with the Anti-Microbial Fibre Amicor Plus

Authors: Sedelnik Natalia

Between 2000 and 2002 a research project was carried out at the Institute of Natural Fibres, Poznan, on the application of various anti-microbial fibres, including the Amicor Plus fibre (supplied by Accordis Ltd., UK), in the...   more »

full text | Pages 120–124

Multi-Barrier Electromagnetic Tensioner
for Control of Yarn Tension in Processing

Authors: Podsiedlik Władysław, Wojtysiak Jan

We evaluate the known solutions regarding the tensioning of yarn in the operations of winding, warping, doubling, etc. The conventional tensioners that have so far been used in the textile industry are described and analysed. We...   more »

full text | Pages 125–128

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