Issue 6 (71) / 2008
Title page Contents
A Mathematical Model of Fancy Yarns’ Strength. The First Model Developed in the World
Authors: Grabowska Katarzyna Ewa
The mathematical models of the strength of fancy yarns with continuous effects (plied twoand three-component yarns and loop yarn) were developed on the basis of the mechanical rules, phenomena occurring between the staple fibres in the... more »
full text | Pages 9–14
Influence of the Thermal Stabilization Process on the Quality Parameters of Cotton-Type Yarns
Authors: Cyniak Danuta, Czekalski Jerzy, Jackowski Tadeusz
Up to the present, the process of thermal stabilization has most commonly been used for wool-type yarns. The investigation presented concerns the application of the thermal stabilization process to cotton yarns and cotton-type blended yarns. The... more »
full text | Pages 15–19
Authors: Lewandowski Stanisław, Drobina Robert
A verification of regressive models based on artificial neural networks and multiple regression analysis was carried out. The analysis of the results obtained showed that artificial neural networks realizing regressive operations are useful for identifying the... more »
full text | Pages 20–27
Investigation of Linen Honeycomb Weave Fabric Shrinkage After Laundering in Pure Water
The stability of dimensions is a very important factor that depends on fabric structure and final treatment. Fabric shrinkage capacity during laundering also depends on laundering conditions such as water solidity, washing powder, temperature, and mechanical... more »
full text | Pages 28–31
Analysis of Motor Vehicle Fabrics
Authors: Kovačević Stana, Ujević Darko, Gudlin Schwarz Ivana, Brlobašić Šajatović Blaženka, Brnada Snježana
The interior design of motor vehicles depends mostly on the appearance and properties of fabric with prevailing woven articles. When upholstering motor vehicle seats and interiors, fabrics mostly constitute the exterior part of these interiors, as... more »
full text | Pages 32–38
Comfortability of the Bulletproof Vest: Quantitative Analysis by Heart Rate Variability
Authors: Lee K. C., Tai H. C., Chen H. C.
A verification of regressive models based on artificial neural networks and multiple regres- This paper provides an effective quantitative analysis system and verifies it. The system of heart rate variability utilizes the reactions of the cardiovascular... more »
full text | Pages 39–43
Authors: Supeł Bogdan, Mikołajczyk Zbigniew
A model of the compressing process of a 3D distance knitted fabric was related to a single connector fastened on one side by an articulated joint, as well as fastened on both sides by fixed joints,... more »
full text | Pages 44–48
Numerical Modelling of Geometrical Parameters of Textile Composites
Authors: Szablewski Piotr
This paper describes a simple sinusoidal geometrical model of textile composites. On the basis of this model, how to obtain certain geometrical parameters that fully characterize the geometry of the composite structure will be presented. Using... more »
full text | Pages 49–52
Influence of Technological Loads on the Dynamic of the Driving System of an Overedge Sewing Machine
Authors: Przytulski Ryszard
This article concerns the evaluation of the influence of technological loads caused by mechanism elements of a three-thread overedge sewing machine on the dynamic of its driving system concerning the cycle of steady-state motion conditions. On... more »
full text | Pages 53–56
The Transition Phase in Polyethylenes – WAXS and Raman Investigations
Authors: Rabiej Stanislaw, Biniaś Włodzimierz, Biniaś Dorota
The existence of the third, transition component, apart from the crystalline and amorphous phases, in polyethylenes has already been proved in several papers. In this work, the WAXS patterns of polyethylenes with various branch contents were... more »
full text | Pages 57–62
Linear Relations Among Small-Angle Scattering Intensities
Authors: Ciccariello Salvino
We give the general conditions to be fulfilled for the small-angle scattering intensities of samples, differing in their scattering densities and volume fractions, to be linearly related as well as the analytical expressions of the coefficients... more »
full text | Pages 63–68
X-Ray Reflectivity Investigations of Fluorinated Amphiphilic Triblock Copolymers on Surfaces
Authors: Busse Karsten, Kressler Jörg
The behaviour of amphiphilic block copolymers at a hydrophilic–hydrophobic interface has a great influence on their potential for pharmaceutical applications. Langmuir Blodgett (LB) films of two types of poly(perfluorohexyl ethyl methacrylate)-b-poly(ethylene oxide)- b-poly(perfluorohexyl ethyl methacrylate) obtained... more »
full text | Pages 69–72
Flow-induced Crystallization of PB-1: Characterizing the Onset of Shish-kebab Formation
Authors: Baert Jimmy, Langouche Florentin, Van Puyvelde Peter
In this work, it is shown that optical techniques, more specifically birefringence and transmitted intensity measurements, provide an excellent tool to characterize the transition to highly anisotropic structures in polymer crystallization for shear rates close to... more »
full text | Pages 73–76
Authors: Zdebiak Paulina, Kozłowska Agnieszka, El Fray Mirosława
New organic/inorganic hybrid materials prepared from multiblock terpolymer as a polymeric matrix containing phthalic acid segments (PBT) as a hard block, hydrogenated dimer fatty acid (DLA) as a hydrophobic soft block and poly(ethylene glycol) (PEG) as... more »
full text | Pages 77–80
X-ray Investigations of the Biodegradation Capacity of PBSA in LDPE/PBSA Blends
Authors: Sobocińska Katarzyna, Garbarczyk Józef, Garbarczyk Józef
The interdependence between the crystallinity of poly(butylene succinate-co-adipate) (PBSA) and its biodegradation capacity in blends with low-density polyethylene LDPE has been studied. The LDPE/PBSA blends were prepared by extrusion. As a compatibilizing agent, block copolymer polystyrene-block-poly-(ethylene-co-butylene)-block-polystyrene... more »
full text | Pages 81–84
Authors: Kozłowska Agnieszka, Gromadzki D., El Fray Mirosława, Stepanek P.
Aliphatic copolyesters of succinic acid (SA) and dimerized fatty acid (saturated dilinoleic acid (DLA)) were synthesized via direct copolycondensation in the presence of 1,4-butanediol. The thermal and mechanical properties of these copolymers were investigated as a function... more »
full text | Pages 85–88
Structural Properties of Organometallic Thin Films Oriented by Corona Poling
Authors: Śniechowski Maciej, Nizioł Jacek, Łużny Wojciech
In this article, we review some results of structural studies of a novel series of donor–acceptor bis-alkynyl ruthenium chromophores in the form of thin films. At first, these thin films were oriented by a corona poling... more »
full text | Pages 89–92
Authors: Borysiak Sławomir
In order to analyse the effect of the addition of low-density polyethylene (LD-PE) on the polymorphic transformation in isotactic polypropylene (iPP), structure studies of iPP/LDPE blends have been carried out. In this work, iPP/LD-PE blends (100/0,... more »
full text | Pages 93–96
Waxs Studies of Salix Viminalis Wood Susceptibility to Alkali Treatment
Authors: Doczekalska Beata, Borysiak Sławomir
Comminuted willow wood (Salix viminalis) was treated with sodium hydroxide solutions of 10, 15, 20 and 25% NaOH concentration, for 15, 30, 45, 60 and 90 minutes for each case of NaOH concentration. The WAXS method... more »
full text | Pages 97–100
Research into the Mercerization Process of BeechWood Using the Waxs Method
Authors: Borysiak Sławomir, Doczekalska Beata
The objective of this study was to establish the relationship between the condition of mercerization of beechwood (concentration of NaOH solution and time of treatment) and the degree of conversion cellulose I ¨ cellulose II using... more »
full text | Pages 101–103
Soft Matter Physics and its Creator – Pierre-Gilles De Gennes (1932–2007) in Memoriam
Authors: Łużny Wojciech
Pierre-Gilles de Gennes passed away on 18 May 2007. The Royal Swedish Academy of Sciences decided to award the 1991 Nobel Prize in physics to him “for discovering that methods developed for studying order phenomena in... more »
full text | Pages 104–105
Forming Conditions and Mechanical Properties of Potato Starch Films
Authors: Wawro Dariusz, Kazimierczak Janusz
Presented herein are the results of investigations into the preparation of starch solutions and casting of film thereof. It was found that a dissolving temperature of 95 °C, time of 60 minutes, and the use of... more »
full text | Pages 106–112
Fibrous Keratin-Containing Composite
Authors: Wrześniewska-Tosik Krystyna, Kucharska Magdalena, Wawro Dariusz
Increasing demand for dressing and hygiene care products boosts innovation and investigations into novelty materials. One example of a promising modern bio-composite is fibrids in the form of chitosan – keratin and alginate – keratin sponges.... more »
full text | Pages 113–116
Investigation into Biological, Composite Surgical Meshes
Authors: Niekraszewicz Antoni, Kucharska Magdalena, Struszczyk Marcin H., Rogaczewska Agnieszka , Struszczyk Katarzyna
A method is proposed to prepare composite surgical meshes modified by chitosan. The polypropylene mesh OPTOMESHTM Macropore is used as the half product onto which a coating of microcrystalline chitosan with a lowered pH is deposited.... more »
full text | Pages 117–121
Bioindicators for the Assessment of Microbiological Purity in Some Alimentary Products
Authors: Ciechańska Danuta, Antczak Tadeusz, Wawro Dariusz, Kazimierczak Janusz, Krzyżanowska Grażyna, Wietecha Justyna, Grzesiak Edyta, Wyrębska Łucja
A method is presented for the preparation of fluorescence bioindicators in the form of a film. The base film is made of either cellulose acetate or cellulose acetate-covered paperboard prepared from a bio-modified cellulose. The film... more »
full text | Pages 122–126
Properties of Composites of Unbeaten Birch and Pine Sulphate Pulps with Bacterial Cellulose
Authors: Surma-Ślusarska Barbara, Danielewicz Dariusz
The possibility of modifying the structure and properties of fibrous papermaking pulps with bacterial cellulose was investigated. For this purpose, three ways of obtaining specific composites were developed. The first one consisted in making the biosynthesis... more »
full text | Pages 127–129