Textile Dyeing

Application of VinylSuplhone type of Reactive Dyes

Application of Bi-functional type (ME) dyes:
Application Method and important tips discussed. These are mixed bifunctional reactive dyes where Vinyl Sulphone group is linked to chromophore through a monochloro triazine group as a bridge link. They are applicable on cellulosic material at lower dyeing temperature of 60ºC...

Dyestuff Selection:
The major and very important part in textile dyeing is the Dyestuff Selection - a) how to select a particular combination, b) for a  particular shade, c) for a particular machine, d) for a particular final end user requirement etc. Selection of Dyestuff solves 50% of post dyeing problems.

What are the best trichromatic combination in ME dyes? 
Useful suggestions and tips on reactive dyestuff selection for a trichromatic match. 

Continuous Pad Batch Methods:
Method and benefits against regular batch processing of reactive dyestuffs ...

Case Studies
How Remazol Brilliant Blue R can be applied profitably and without any problem on jiggers by preconditioning method of dyeing at room temperature?

Silk Dyeing with Reactive Dyestuffs: 
Practical dyeing method and tips on dyeing of silk with reactive dyestuffs.

Polyamide Dyeing:
Multifilament polyamide yarns are dyed in the same way as standard polyamide yarns using disperse, acid or premetallised dyes. It is a

known fact that yarn dye yield and dye kinetic depend on the various parameters summarized below

Polyester Dyeing:
High temperature high pressure dyeing is carried out using a closed type dyeing machines such as cheese, beam, jet, jig or liquor flow type according to the form of the material

Findings on No Salt Dyeing:
A detailed discussion on the possibilities of reactive dyeing without salt.

Greener Approach to Reactive Dyeing:
An attempt to dye reactive shades with lesser pollution impact on environment. A detailed research article.

Practical Tips on dyeing:
A very useful guide to technicians in this field of processing.

Water Hardness and its adverse effects on dyeing:
A detailed discussion on problems due to water hardness in pretreatment, dyeing and finishing.

Influence of pH in reactive dyeing:
At every stage textile processing, the right pH plays a vital role. A brief discussion of the effect of pH is discussed in this article.

Properties of Reactive Dyestuffs

An useful list summarizing the various properties of reactive dyes, such as solubility, affinity, dyeing temperature and discharge ability.

Preconditioning Method of Reactive dyeing:
A novel method to produce all round fastness properties in addition to a remarkable increase in depth of the shade.

Application of Vat Dyes:
A detailed discussion and practical tips on how to make success dyeing with Vat dyestuffs.

Canvas Fabric Processing:
Canvas is the heavy fabric that can be used for tents, awnings and jeep tops. The dyeing and finishing of this type of fabric needs special skill and know how. In this article, detailed techniques of canvas dyeing, water proofing are  shirting collar lining process described.

Package Dyeing - Tips:
What are the salient feature of a package dyeing machine? What are the usual problems you may face during dyeing and what are the reasons behind it?

No salt, No Soda dyeing:
A revolutionary method for reactive dyeing without salt and soda.

What is Eco Processing?
A detailed account on eco processing of textiles with description on eco labeling, standards organizations, tips on eco bleaching, eco dyeing and eco finishing.

Natural Dyes and Natural Dyeing
A lot of information on natural dyeing methods, dyestuffs, markets, tips etc.

Continuous warp dyeing of Indigo
A warp dyeing technique most suitable for denim fabric has been expliained. Machine and application details at ...

Sulphur Dyes on Garments
Garment dyeing technique with Sulphur Dyes, properties of sulphur dyes suitable for garment dyeing , sulphur dyeing problems and solution...

Sulphur Dyes on Knit Goods
Application technique of Sulphur dyes on knit goods - a practical approach...