CBSE BOARD XII, asked by AbdulMuqit, 1 year ago

what are the properties of dyes?​

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Answered by Anonymous
0

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A dye is a colored chemical substance that imparts color when applied to a substrate. Dyes are generally soluble in solvents, and they can be natural or synthetic.

Dyeing has been in practice for over 5,000 years. Earlier dyes were of animal, vegetable, or mineral origin, with very little processing involved. The roots, berries, bark, leaves, and wood of plants were the major source of dyes.

William Henry Perkin discovered the first organic dye, mauve or aniline, in 1856. Thousands of dyes have been discovered since then. Synthetic dyes cost less, offer a vast range of colors, and impart better properties on dyeing. These dyes soon replaced the traditional natural dyes.

This handbook discusses different types of dyes and their uses.

Properties of Dyes

The properties of dyes are based on the following factors:

Shade (brightness or dullness)

Fastness Requirements

Level Dyeing Properties

Ease of Application

Dusting

Environmental Concerns

A good dye has the following qualities:

It has a suitable color.

It fixes itself to fabrics.

It has fastness properties, such as:

Fastness to light.

Resistance to the action of water, diluted acids, alkalis, and various organic solvents used in dry cleaning.

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Answered by varshu724
1

Properties of Dyes

The properties of dyes are based on the following factors:

Shade (brightness or dullness)

Fastness Requirements

Level Dyeing Properties

Ease of Application

Dusting

Environmental Concerns

Ease of application, durability of color, and resistance to sunlight and chemicals are important properties that are considered when selecting a dye for use.

A good dye has the following qualities:

It has a suitable color.

It fixes itself to fabrics.

It has fastness properties, such as:

Fastness to light.

Resistance to the action of water, diluted acids, alkalis, and various organic solvents used in dry cleaning.

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