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A Simple Model of the Worsted Drawing System and its Application to Yarn Quality
A simple model of the worsted drawing and spinning sequence has been developed, which takes account of the various components of irregularity at every stage of processing. The model can be used to determine how well each processing step is...
Indirect determination of yarn thickness
The hairiness and the peculiar shape of the ring-spun yarns cross-section prevent the direct determination of yarn thickness as well the yarn diameter. A recently developed method aims at the indirect measurement of yarn thickness using a s...
Effect Of Modification and Processing Variables on Yarn Formation and Yarn Characteristics in Mono-Cylinder Friction Spinning
In recent years, one of the advanced spinning systems became an important fact of textile industry, that is the friction spinning system. One of its inherent capabilities is producing unconventional yarns with higher speeds. The friction sp...
Factors Affecting the Performance of the Radar Absorbant Textile Materials of Different Types and Structures
In military applications, electromagnetic properties of textiles made from special fabric structure and certain fibers play an important role in producing textile fabrics, characterized with high ability of camouflage. One of their strategi...
A New Aspect of Geometrical and Physical Principle
Models of relaxed plain-knit structure proposed by previous researchers suffer from the disadvantage of being based on the arbitrary assumption of some geometrical shape for knitted loop or subjected to the forces and couples applied to one...
The Return to Natural Dyeing Methods - Properties and Threats.
Nature in her unerring wisdom has provided colours. Designers and scientists tried to learn from nature the mysteries of colour. They accumulated this knowledge and use it to discover all shades and hues. Natural plants as a source of colou...
Recent Researches in Cotton Bleaching
Pretreatment processes of textiles continues to expand each year as older products and processes are replaced by the technological diffusion of novel products and innovative processes. One of the most important processes of pretreatment is...
Surface Area Estimation of Poly(vinyl alcohol) Microfibrillar Fibers by Dyeing
Ultrafine synthetic fibers have much usability such as artificial leather and high quality fabric. But these have also shortcomings in dyeing for it is difficult to dye in deep color. Recently, poly(vinyl alcohol) (PVA) microfibrillar fiber...
Exhaust Dyeing of Cellulosic Fabrics with Hot Brand Reactive Dyes at Mild Condition
The utilization pf triethylamine ( TEA ) , triethanolamine ( TEOHA ) or choline chloride ( CC ) as a co-catalyst along with Na 2Co3, NO2 SiO3 or Na 3PO4 as a traditional fixing agent in exhaust dyeing of mercerized cotton, viscose and linen...
Investigation Into The Effect of UV/Ozone Treatments On The Dyeing Properties of Natural Dyes on Natural fabrics
The effect of uv/ozone treatments for different periods on dyeing properties of three different natural fabrics, i.e. wool, silk, and cotton dyed with two natural dyes have been investigated. The results indicated that, the presence of tyro...
Improving Printability of Wool Fabric with Anoinic Dyes Using Redox Systems
Redox systems based on ammonium persulphate as oxidant along with ethylene glycol, urea, thiourea, glucose or formaldehyde as reluctant were incorporated in the printing formulations of wool to improve its printability with anionic dyes, i....
Starch–g-polyvinyl acetate copolymer Part 2: Utilization of starch-g-polyvinyl acetate copolymer in textile printing
In this study the starch-g-polyvinyl acetate copolymer with different acetyl contents were used as thickening agents for pigment and reactive printing. Pigment printing was applied on wool, cotton, nylon, polyester and cotton/polyester blen...