In Estonia, up to 90% of local wool is not adequately valued, while in Norway, due the well-functioning wool-buying and -sorting system, a large part used purposefully. However, both countries have room for improvement terms better usage wool. This article provides an overview Estonian-Norwegian research conducted from 2020 2023 its main results. During study, was collected three Estonian Norwe...

Conductive textile yarns were prepared by a continuous vapor polymerization method; the application of polypyrrole by the continuous vapor polymerisation method used is designed for the easy adaptation into industrial procedures. The resultant conductive yarns were examined by longitudinal and cross-sectional views, clearly showing the varying level of penetration of the polymer into the yarns ...

Today, natural colorants are emerging globally due to the fact that they are safer and more environmentally-friendly. Natural dyes have been employed in dyeing Persian carpet piles for many years. In this study, the dried Achillea was used for dyeing wool yarns. The Iranian wool yarn was scoured, mordanted using Cu, Sn, Al salts and then dyed with different amounts of dried Achillea powder. Tag...

Data on the effect of various alkaline reagents on the physical and chemical properties of wool yarn are presented. When wool is treated with dilute sodiumhydroxide solutions, a rapid splitting off of a portion of the sulphur occurs. On continued treatment, the sulphur content of the residual wool approaches a constant value of about 1.8 percent. The results indicate that the alkaline treatment...

ON THE MECHANICS OF TWIST INSERTION by ALY H. M. EL-SHIEKH Submitted to the Department of Mechanical Engineering Fibers and Polymers Division, on May 14, 1965 in Partial Fulfillment of the Requirements for the Degree of Doctor of Science in Mechanical Engineering This investigation is directed toward an improved understanding of the mechanisms and actions taking place in the textile twisting pr...

For many centuries people have exploited the characteristics of the wool fibre. Most know the value of woollen clothing for keeping warm and that it retains this feature even when wet. In the home woollen blankets, carpets and materials all make life more comfortable. Sheepskin rugs are widely used on beds for long term patients to help prevent bed sores, and sheep skin car seat covers are very...

The dyeing of woolen yarn with eggplant peel, a natural colorant, has been studied. The main coloring component in this natural colorant is anthocyanin, which is an interesting class of dyes in the blue and red area. Eight mordants including alum, copper sulfate, ferrous sulfate, potash alum, nickel chloride, zinc sulfate, tin chloride, and potassium dichromate were used for mordanting the ...

In this study, we explore the dyeing properties of extract sappan wood natural dye for coloration wool yarn to find potential use dyed in development eco-friendly textiles. Different characterizations were used know chemistry and its interaction with metal salts wool. Interestingly, found that salts, which are called as mordants reference unmordanted sample, play an important role fixing molecu...