DOUBLE BLACK_BROCHURE - Clariant

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DOUBLE BLACK_BROCHURE - Clariant

www.textiles.clariant.com

Clariant International Ltd

Rothausstrasse 61

4132 Muttenz

Switzerland

Clariant Ibérica Producción S.A

PG Special Dyes

Pol.Ind. Can Estapé S.N

08755 Castellbisbal, Barcelona (Spain)

Tel. +34 93 817 61 62

Fax. +34 93 772 02 28

For sales to customers located within United States and Canada: This information corresponds to the

present state of our knowledge and is intended as a general description of our products and their possible

applications. Clariant makes no warranties, express or implied, as to the information’s accuracy,

adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this

information or of any product, method or apparatus mentioned. Any user of this product is responsible

for determining the suitability of Clariant‘s products for its particular application. NO WARRANTY IS

MADE OF THE MERCHANTABILITY OR FITNESS FOR USE OF ANY PRODUCT, AND NOTHING INCLUDED

IN THIS INFORMATION WAIVES ANY OF CLARIANT’S GENERAL TERMS AND CONDITIONS OF SALE,

WHICH CONTROL UNLESS IT AGREES OTHERWISE IN WRITING. Any existing intellectual/industrial

property rights must be observed. Due to possible changes in our products and applicable national and

international regulations and laws, the status of our products could change. Material Safety Data Sheets

providing safety precautions, that should be observed when handling or storing Clariant products, are

available upon request and are provided in compliance with applicable law. You should obtain and

review the applicable Material Safety Data Sheet information before handling any of these products.

For additional information, please contact Clariant.

For sales to customers located outside the United States and Canada: This information corresponds to

the present state of our knowledge and is intended as a general description of our products and their

possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy,

adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use

of this information. Any user of this product is responsible for determining the suitability of Clariant‘s

products for its particular application. Nothing included in this information waives any of Clariant’s

General Terms and Conditions of Sale, which control unless it agrees otherwise in writing. Any existing

intellectual/industrial property rights must be observed. Due to possible changes in our products and

applicable national and international regulations and laws, the status of our products could change.

Material Safety Data Sheets providing safety precautions, that should be observed when handling or

storing Clariant products, are available upon request and are provided in compliance with applicable

law. You should obtain and review the applicable Material Safety Data Sheet information before

handling any of these products. For additional information, please contact Clariant.

The opinions provided herein related to ColorLok Technology solely belong to Clariant and are not the

opinions of International Paper Company. International Paper Company is not responsible for the opinions

expressed herein.

® Product and service marks protected by Clariant in many countries

© 2010 Clariant International Ltd, Rothausstrasse 61, 4132 Muttenz, Switzerland

9.10/e/2000

DOUBLE BLACK dyeing process

The pathway to a superior level of black shades

on cellulose fibres


DOUBLE BLACK

Clariant is pleased to present the new DOUBLE BLACK

dyeing process.

DOUBLE BLACK is the synergy of two dyeing technologies,

the sulphur black and the reactive black. It is carried out

in one process resulting in a superior level of deep black

shades and enhanced performance for cellulose fibres.

Diresul Black RDT-2KS liq

&

Drimaren Black CL-S p

DOUBLE BLACK represents a significant improvement in

the field of black shades for cellulose. It combines the high

performance of sulphur blacks in aspects such as

perspiration/light fastness with the features of reactive

blacks, in terms of shade flexibility and repetitive washing

fastness, amongst other. As a result of this combined

concept, a superior level of depths, tone flexibility and

fastness is achieved.

DOUBLE BLACK Superior Lightfastness:

Light fastness, Atlas Ci35-A, ISO 105-B02: >6,0

Perspiration wet light fastness, alkaline SZFP 15 h: 5,0

DOUBLE BLACK advantages:

■ Deepest obtainable black shades

■ Shading flexibility

■ Shade stability under different illuminates

■ Excellent covering of immature/dead cotton

■ Good perspiration light fastness

■ Good repetitive washing fastness

DOUBLE BLACK is achieved without an increase in

processing time because scouring and Diresul black

dyeing is carried out at the same time.

DOUBLE BLACK DYEING PROCESS

DOUBLE BLACK DYEING PROCESS

TEMP. (ºC)

100

80

60

40

20

0

10’

A B C

15’

20’

10’ overflow

10’

5’

15’-20’ 20’ 10’ 30’

70% progresive

45’-60’

0 50 100 150 200 250 300 350

A - 10g/l Reductor D p.

20 g/l NaOH 50%

3 g/l Leonil EHC liq conc

1 g/l Ladiquest 2005 liq c

B - 8% Diresul Black RDT-2KS liq

D

10’

E

F G H

C - 30 g/l Sodium Sulphate

D - Neutralization with

Sirrix NE liq

(Untill pH=6-6,5)

10’

E - 1 g/l Ladiquest 2005 liq c

PH 6,0-6,5

80 g/l Sodium sulfate

3 g/l Revatol S

F - 5% Drimaren Black CL-S p

I

15’-20’

J

15’

TIME

(min.)

G - 5 g/l Soda Ash

H - 3,5 g/l NaOH 36ºBe

I - 0,5 g/l Acetic acid

J - 1 g/l Ladipur RSK

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