Showing posts from 2014

Manmade fiber

Definition: A class name for various fibers (including filaments) synthetically produced from fiber-forming…

Rubbing Fastness

ï‚¥  Rubbing fastness: Rubbing fastness is the resistance to fading of dyed textiles when rubbed against a rou…

Vat dyes

Indigo dyes, the vegetable dyes known to ancient Indians, was dyed on textile materials in wooden vats (…

Azoic dyes/Azoic colors

Azoic dyes are insoluble azo dyes produced in situ on the fiber. In this dyeing process two components a…

Optical whitener/Optical brightener:

There is a special class of dyes which are similar to direct cotton dyes in that they may be applied lik…

Water insoluble dyes

They are not soluble in water and hence they cannot be applied directly on textile like direct dyes. The…

Sources of dyes:

01. Animal origin: Cochineal - obtained from an insect. It is extractable in water to give scarlet, crim…

Classification of Detergents:

Most common types of detergents are- 01. Anionic detergent- Those detergents which produce anion (R-) …

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Dye A dye may be defined as a colored substance, which has an affinity to the substrate to which it is b…

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Textile  A textile was originality a woven fabric but the term of textile and the plural textile are now a…

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