Which Components is Responsible to Produce Color?

Which Components is Responsible to Produce Color in fabrics ?


There are numerous components that can be responsible for generating color in fabrics, including:


Dyes: These are substances that are capable of coloring fabric fibers through a chemical reaction. Dyes can be categorised into various classes based on their chemistry and utility methods, such as acid dyes, reactive dyes, disperse dyes, and direct dyes.


Which Components is Responsible to Produce Color?
Which Components is Responsible to Produce Color?


Pigments: These are insoluble colorants that are implemented to the surface of fibers using a binder or a carrier. Unlike dyes, pigments do not penetrate into the fibers and continue to be on the surface. Pigments can be used to produce colourful and durable colors, however they may additionally now not be as wash-fast or light-fast as dyes.


Optical brighteners: These are colorless compounds that take in ultraviolet mild and emit blue light, making the material seem whiter and brighter. Optical brighteners are frequently used in laundry detergents and fabric softeners to beautify the appearance of fabrics.


Finishing treatments: These are chemical remedies that can be carried out to fabrics after dyeing or printing to beautify their color, texture, or performance. For example, a material can be handled with a softener to make it sense softer, or with a water repellent to make it more resistant to water.


Overall, the desire of colorant depends on numerous factors such as the favored color, the fiber type, the utility method, and the meant use of the fabric.

The Following feature in necessary to produce color:



1.The absorption of light in the visual spectrum (400-700)nm
 
2.Having at least one Chromophore (Color bearing group)


Which Components is Responsible to Produce Color?


3.Have a conjugated system [ i.e. A structure with altering double and single bonds]
And

4.Exhibit resonance of electrons, which is a stabilizing force in organic compounds.

O.N. Witt observed that colored compounds must contain unsaturated groups. Which he called chromophore (color bearing groups)


A compound containing a chromophore group is called chromogen. When certain groups called auxo chromes (color helping or color intensifying groups) are present in the chromogen. a dye is obtained. 

The auxochrome by itself does not produce color but deepens the color of a chromogen. Auxo chromes may be either acidic or basic like -OH or –NH2.

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