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Thursday, July 30, 2020 | History

3 edition of The fastness assessment of textile dyestuffs. found in the catalog.

The fastness assessment of textile dyestuffs.

Imperial Chemical Industries Limited. Dyestuffs Division.

The fastness assessment of textile dyestuffs.

by Imperial Chemical Industries Limited. Dyestuffs Division.

  • 344 Want to read
  • 6 Currently reading

Published by I.C.I. .
Written in English


ID Numbers
Open LibraryOL21506045M

a) A "sufficient fastness" scenario assumes a new and previously unwashed, close-fitting garment with a dye perspiration fastness of 4 (considered in the textile industry to be a good level of fastness, apparently achieved by all the considered dyes on all commonly employed textiles).   ð The purpose for which a dyed material is to be used must always be born in mind when dyestuffs are selected and the results of fastness tests are evaluated. ð Fastness properties such as resistance to light, washing, rubbing, ironing and dry cleaning must be tested for everyday use, while resistance to boiling soda, bleaching, potting and.

An illustration of an open book. Books. An illustration of two cells of a film strip. Video An illustration of an audio speaker. Handbook of Textile Testing Part-4 identification and Testing of Dyestuffs and Their Colour Fastness of Textile Materials". This book is based on the latest technology involved in textile industry, which describes the processes available at the spinning and fabric forming stages coupled with the complexities of the finishing and colouration processes to the production of wide ranges of products.

Application of dyestuffs to textiles, paper, leather and other materials. "A comprehensive and more extended development of the author's earlier book entitled 'Laboratory manual of dyeing and textile chemistry'." testing fastness of dyes --Application of basic dyes --Basic dyes on cotton --Principal basic dyes --Application of. Aramids represent a class of high-performance fibers with outstanding properties and manifold technical applications, e.g., in flame-retardant protective clothing for firefighters and soldiers. However, the dyeing of aramid fibers is accompanied by several economic and ecological disadvantages, resulting in a high consumption of water, energy and chemicals. In this study, a new and innovative.


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The fastness assessment of textile dyestuffs by Imperial Chemical Industries Limited. Dyestuffs Division. Download PDF EPUB FB2

Bhat, A. Basu, in Advances in Silk Science and Technology, Color fastness to wash. Color fastness to wash is one of the important tests for silk material, as most of the silk material is dyed with acid dyes and only proper dyeing will impart good wash-fastness properties.

At least three specimens of 10 cm × 4 cm are taken for testing. Division Name: Textiles Section Name: Physical Methods of Tests (TXD 1) Designator of Legally Binding Document: SP Title of Legally Binding Document: Handbook of Textile Testing Part-4 identification and Testing of Dyestuffs and Their Colour Fastness of Textile Materials Number of Amendments: Equivalence: Superceding: Superceded by.

Color fastness, textile processing or use in the process is not easy to fade, poor color fastness, there will be fade, discoloration, or staining, etc., causing a lot of trouble.

It can improve the color fastness of light measures. The rational use of dyes, in improving the light fastness. Colorfastness to Perspiration - This test method is used to determine the fastness of colored textiles to the effects of acid is applicable to dyed, printed or otherwise colored textile fibers, yarns and fabrics of all kinds and to the testing of dyestuffs as applied to textiles.

Book • Edited by: This chapter describes various aspects related to the importance of fastness assessment and the tests that ascertain the grading of various fastness criteria of dyed textiles. Select 7 - Molecular modeling and predicting dye properties. Some fastness of textile products can be high, some fastness can be low.

For example, some textile products may have a low fastness to washing and a high fastness to dry cleaning. This may depend on the dyestuffs used in the textile product, the dyeing methods or the type of fibers. OEKO-TEX® consists of 18 independent institutes in Europe and Japan.

Together we are continuously developing test methods and limit values for the textile and leather industry, we provide important boosts for innovation and thus make a significant contribution to the development of high-quality products. We will give you any of the 2 books from the below list if you fulfill our conditions.

If you want to download this book, you need to write an unique article about textile related topics. The article must be at least words or above and contains valuable information.

No copy paste is allowed and we will check plagiarism to confirm. A dye is a coloured substance that chemically bonds to the substrate to which it is being applied.

This distinguishes dyes from pigments which do not chemically bind to the material they colour. The dye is generally applied in an aqueous solution, and may require a mordant to improve the fastness of the dye on the fiber.

Both dyes and pigments are colored, because they absorb only some. Water drop test and wash fastness determination (ISO C01) were conducted.

The results show that post-plasma treatment of direct dyed cotton fabric can be a useful method for improving the fastness properties of direct dyed cotton samples. Also, by post-plasma treatment with argon gas, water repellent effect appeared for all samples.

Fastness and Dyeing Properties of VS-Dyestuffs 1. VS-Dyestuffs free from nuclear sulphonic and carboxylic acid groups 2. Dyestuffs containing nuclear sulphonic and carboxylic acid groups Summary Disperse dyes Light Fastness Gas Fastness Sublimation Fastness Wash Fastness Structural Modifications Leading to All-Round Fastness Quinonoid.

The Chemistry of Synthetic Dyes, Volume V is a critical assessment of patent literature and scientific journals on the synthesis and applications of synthetic dyes. This volume contains eight chapters, and begins with a description of several interesting reactions involved in the synthesis of naphthoquinonoid dyes and pigments, followed by a discussion on the influence of coplanarity on the.

Keywords: Gallnut dyestuff, Light Fastness, Crock Fastness, Wash Fastness, Natural mordants 1 INTRODUCTION Natural dyestuff and natural dyeing is as least as old as the history of textiles; and it is known that the natural dyeing of textile fibres started in India and Mesopotamia in the s B.C.

(1). Fastness and PF/3 evaluations of reactive dyestuffs. perception is the main method in textile colorfastness assessment.

However, this method is time consuming and relatively inaccurate. The Book is based on the latest technology involved in textile industry. It contains processes of textile spinning, weaving, finishing and printing.

The book is very useful to the research scholors, technocrats, entrepreneurs, textile mill owners, /5(2). The light fastness of textile dye is categorized from one to eight and the wash fastness from one to five, with a higher be the number indicating better fastness.

In general any organization that is responsible for the standards has traditionally been involved in the universal tests of wash resistance, light resistance, friction resistance. Fastness Assessment: From the textile end-user i.e the consumer's point of view, durability and colour fastness are major concerns.

The cross staining of colour from one dyed area on to adjacent. Colour fastness of textiles (hereinafter abbreviated as colour fastness) refers to the degree of fading for dyed or printed fabrics under the influence of external factors (extrusion, friction, washing, rain, sun exposure, light, seawater impregnation, saliva impregnation, water impregnation, sweat impregnation, etc.) in the process of use or processing.

Keywords: detergent (cleaning compound), fading, Lissapol nx®, natural dye, pH, sodium tripolyphosphate, teepol ®, textiles, washing, wetting agent, wool Abstract: The fastness to washing of some natural dyestuffs has been assessed.

Tests have been carried out under standard conditions (50°C) and also at 20°C with a washing formulation used in conservation work on ancient textiles. Some dyestuffs, such as indigo and lichens, will give good colour when used alone; these dyes are called direct dyes or substantive dyes.

The majority of plant dyes, however, also require the use of a mordant, a chemical used to "fix" the colour in the textile fibres. Further, our lab is equipped with a wide range of conventional equipment that assists us in determining and testing fastness properties, dispersion of pigments & solubility of all dyes.

With the help of our well-facilitated lab, we conduct the following tests to assess the product quality.Almost all textiles of historical interest have been dyed with natural dyestuffs, since it was the late nineteenth century before synthetic dyestuffs were used in any quantity.

The mild washing of such pieces is widely practised among conservators, though quantitative infor-mation is lacking on the fastness of natural dyestuffs to wet treatments.The present book, while still retaining many of the text-book features in order to adapt it to the needs of the student, has been greatly broadened in its scope so as to appeal to the interest of all those concerned in the application of author has endeavored as far as his hmitations permit to incorporate in this book the latest.