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Natural Dye

Natural dye

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Page 1: Natural dye

Natural Dye

Page 2: Natural dye

Prepared By : Mazadul Hasan sheshirID: 201000040000813th Batch (session 2009-2013)Department : Wet Processing Technology Email: [email protected] : www. Textilelab.blogspot.com (visit)

Southeast University Department Of Textile Engineering

I/A 251,252 Tejgaon Dhaka Bangladesh

Prepared By :

©right

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Natural Indigo

Common Name: Natural Indigo, Indigo, Indian Indigo

Botanical Name: Indigofera tinctoria

Our Trade Name: INDO BLUE

Natural Dye: Blue Dyestuff for Textile

This is one of the most ancient Natural Dyes used by Man in textiles.

Indigo is about 2-3 feet long plant, cultivated on thousands of acres of land in India. The whole plant is used for extraction of dye and the extract form of dye is supplied in powder form.

This give deep blue color on wool, silk, cotton etc. It exhibits good fastness to washing, crocking and Light. This is the only Natural Dye, which falls under Vat category of dyes.

We are among the largest exporter of Natural Indigo from India.

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Pomegranate

Common Name: Pomegranate, Anaar

Botanical Name: Punica granatum

Our Trade Name: Mallow

Natural Dye: Yellow dyestuff for Textiles.

Pomegranate is one of the most largely consumed fruits in Asia. The dye is extracted from its fruit rind. The color obtained exhibit good fastness to washing rubbing and light.

At times this dye is also used as mordant and is over dyed with other Natural Dye to improve fastness of later.

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Madder

Common Name: Madder, Manjistha, Majith

Botanical Name: Rubia cardifolia (Indian Madder) Rubia

tinctoria (European Madder)

Our Trade Name: RUBIA

Natural Dye: Red, Pink and Orange dyestuff for Textiles.

Madder is one of the oldest Natural Dyes. In a way Indigo and Madder are the main ancient Natural Dyes used by man for dyeing textile for ages.

The cultivation of Madder needs sub topical climates and prefers moist soil. It is cultivated in the foots of Himalayas in huge quantity.

We have specialized in this product.

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Kamala

Common Name: Kamala, Kamala Powder

Botanical Name: Mallotus phillipinses

Our Trade Name: FLAME

Natural Dye: Orange yellow or golden yellow dyestuff for

Textiles.

Kamala is taken from fruit of the plant Mallotus. This is an evergreen tree growing upto 25 meter high.

It imparts beautiful color on wool and silk. Kamala powder was used extensively in India and neighboring southeastern countries and also enjoy export trade.

However, on cotton Kamala does not give as deep color as on wool or silk.

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Lac

Common Name: Lac, Lac Dye

Botanical Name: Kerria lacca

Our Trade Name: Nimbus

Natural Dye: Red & violet dyestuff for Textiles.

Lac is probably most ancient of all Animal Dyes. The dye is taken from insect Kerria Lacca. This insect is cultivated on Kusumbh and Tesu trees. This has its history of use as Natural Dye in South Asia and India since the beginning of recorded History.

The principal coloring component in this dye is identified as Laccaic Acid. The dye shade exhibit very good fastness to washing, rubbing and light.

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Mayrabolan

Common Name: Harad, Harda,

Botanical Name: Terminlia chebula

Our Trade Name: Kareel

Natural Dye: greenish yellow dyestuff and Natural

Mordant for Textiles.

Mayrabolan is fruit of tree Terminalia chebula. This is used as greenish yellow dyestuff for textile. This is also used as Natural Mordant in many cases.

This is also used as a substitute of Tannic acid.

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Catechu

Common Name: Cutch, Catechu, Kala Kaththa

Botanical Name: Accacia catechu

Our Trade Name: BEE

Natural Dye: Brown dyestuff for Textiles.

Catechu is purified extract of wood Accacia catechu. The plant of Accacia catechu is about 15 meter high.

This mainly composed of Catechu-tannic acid with catechin, catechu red and quercetin.

Catechu is among cheap Extract form of Natural Dyes it gives light brown to good brown with acceptable fastness rating

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Himalayan Rubrub

Common Name: Dolu, Himalayan Rubrub

Botanical Name: Rhum emodin

Our Trade Name: INSECT

Natural Dye: Yellow dyestuff for Textiles.

Dolu is about 1.5 to 3 meter high stout herb. It is grown at an altitude of about 3000 to 5000 meters high. The color is extracted from its wood.

This consists of many anthraquinone derivatives based on emodin, chrysophanol, alooe-emodin and rhein.

It dyes wool in range of color mainly in yellow and exhibit good fastness ratings.

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www.ecology.at

Solution: Dyeing process with plant dyes

T (°C)

min.20 806040 140120100

20

80

60

40

100

addition of mordant

60°C

rinse

95°C

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www.ecology.at

Solution: colour chart

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www.ecology.at

• Agricultural materialgoldenrod (Solidago)

madder (Rubia)

• by-products from wood industry and food processing: ashen´s bark

walnut shellgrape marconion skin

Solution: low costs by combination

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www.ecology.at

water extractionliquor ratio 1:20 (solid:water)95°C for 60 min

separation of solid residues(sedimentation and filtration)

extract=dyeing bath

Work in progress: permanent accessibility(from raw material to dyeing matter)

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