Drimaren HF/CL Reactive Dyes Drimaren HF/CL Reactive Dyes: Exhaust Dyeing Procedures Exhaust Dyeing Procedures

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

Table of contents  

1.

Introduction

2

2.

General information

3

2.1

Commercial forms

3

2.2

Pretreatment

3

2.3

Dissolving of the dyes

3

3. 3.1

Exhaust process Te Technical chnical aspects influencing dyeing

3 3

3.1.1

Addition of salt

3

3.1.2

Addition of alkali

4

3.1.3

Works water

4

3.1.4

Antifoams

4

3.1.5

Lubricants

4

3.1.6

Leveling agents

4

3.1.7

Liquor ratio

4

3.2

After-treatment

5

3.2.1

Sampling and shading

5

3.2.2

Rinsing and soaping

5

3.2.3

Cationic after-treatment

5

3.2.4

Stripping methods and effects

5

3.3

Dyeing processes

6

3.3.1

Dye selection

6

3.3.2

Amounts of salt and alkali

7

3.3.3

Cellulose

7

3.3.3.1

Isothermal process at 60 °C (standard process)

7

3.3.3.2

Process at 40/60 °C

8

3.3.3.3

Migration process at 80/60 °C

8

3.3.3.4

Jig process

9

3.3.3.5

Pad jig process

9

3.3.3.6

Garment dyeing

9

3.3.3.7

Isothermal process at 80 °C for phthalocyanine dyes

10

3.3.4

Polyester/Cellu Polyester/Cellulose lose

10

3.3.4.1

SWIFT process

10

3.3.5

Cellulose/Polyami Cellulose/Polyamide de

11

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

1. Introduction The Drimaren® HF/CL dyes are recommended for dyeing all types of

The dyeing process and metering of the dye bath auxiliaries

cellulosic fibers by the exhaust process.

depends on the: ■ 

Type and form of the substrate

On the basis of their reactivity the Drimaren® HF/CL dyes are

■ 

Type of machine, machine capacity, dye and shade depth

classified as warm dyeing reactive dyes. Depending on the type

■ 

Economic considerations

and amount of alkali applied the complete dye/fiber reaction takes place optimally at 60 °C. In this temperature region the Drimaren® 

Their distinguishing properties under the suffix HF are:

HF/CL dyes are distinguished by good penetration and migration

■ 

ranges

behavior.. Their combinability is excellent by virtue of their balanced behavior dyeing and fixation properties.

■ 

AOX-free

■ 

Heavy metal free with the exception of Drimaren® Blue HF-RL and Drimaren® Green HF-5BL

Drimaren ® Turquoise K-2B can be applied by the same dyeing process recommended for Drimaren ® Turquoise CL-B and

They are the most ecological products among the Drimaren® 

■ 

Minimal coloration of the wastewater

Drimaren  Green HF-5BL and maybe included in the range for

■ 

Highest fixation values among the Drimaren® ranges

dyeing brilliant green and turquoise shades. An isothermal method

■ 

Very good washing off properties

at 80 °C is recommended. The alkali and salt requirements remain

■ 

High fastness level

®

 the same. Their distinguishing properties under the suffix CL are: ®

The Drimaren  HF/CL dyes can be applied by the exhaust method in

■ 

Economic ternary combinations for medium to deep shades

all the usual dyeing machines such as jets, winches, jigs, package,

■ 

AOX-free

beam, garment and yarn dyeing machines.

■ 

Good washing off properties

Their distinguishing properties of the combined Drimaren® HF/CL dyes are: ■ 

Generally very good oxidative bleach fastness properties

■ 

Suitable for all exhaust dyeing processes

■ 

High fastness level

■ 

Very good reproducibility

■ 

Good shade build-up

■ 

High lightfast trichromy for difficult pale to medium shades

■ 

Combine economy and performance

2

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

2. General information 2.1 Commercial forms

Before adding dissolved dyes to the feed tank the dye liquor should be passed through a filter to ensure that any non-dissolved dye or

HF/CL dyes are available in one or more of the following

contamination is held back. Unlevelness and/or spots and possible

commercial forms:

damage to the pumps can be avoided in this way.

■  ■

In liquid form

■ 

Powder Granules

■ 

CDG (Cold Dissolving Granules)

 

Cold water should then be used to adjust the dye liquor to the required volume.

3. Exhaust process 2.2 Pretreatment 3.1 Technical Technical aspects influencing infl uencing dyeing Optimum pretreatment of the substrate is one of the most important fundamentals for obtaining perfect dyeing results with regard to

3.1.11 Addition of 3.1. o f salt

levelness and appearance of the fabric, etc. A neutral reaction of  the substrate subst rate to be dyed is necessary, wh which ich means that care m must ust

The recommended amounts of common or Glauber’s salt are shown

be taken to eliminate acid, alkali and peroxide residues.

in this shade card text under 3.3.2 “Amounts of salt and alkali”. The “electronic shade card” for Drimaren dyes is available for calculating the optimum amount of salt required.

2.3 Dissolving of the dyes As a rule the salt is added at the beginning so as to achieve shorter When dissolving the dyes it should be considered that there are

processing times. In critical cases the risk of unlevelness can be

different commercial forms. There is a fundamental difference

avoided by adding the dye first, before dosing the salt. This is

between granules (which include the CDG formulation) and powder.

particularly recommended for high substantivity Drimaren® dyes

Some products are specially designated as CDG.

which are sensitive to electrolytes and for dyeing regenerated cellulose and mercerized cotton.

Granules should never be pasted but sprinkled into water. For the CDG form the water can be cold (20–30 °C). For other forms it is

Depending on its origin, salt may contain large amounts of

better to use water at 60–80 °C. This is also true for the powder

impurities which have a negative effect on the dyeing. Softening

products. Mixtures of different commercial forms should always be

with a sequestering agent may not be sufficient to remove all the

dissolved at higher temperature (> 60 °C) by sprinkling them into

impurities and this may lead to a loss of color yield and

water.

precipitations. In such cases a better quality of salt should be used.

3

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

3.1.2 Addition of alkali

3.1.5 Lubricants

Soda ash or a combination of soda ash/caustic soda is the

When treating sensitive piece goods in rope form, especially in

recommended alkali for fixation of Drimaren® HF/CL dyes. The alkali

short liquor machines or machines with high friction, where the

is metered into the dye bath or added in several portions. The

goods are subjected to high speed and compression, creasing and

optimum bath pH for fixation is 10.5–11.

abrasion may occur. An addition of 0.5–1 g/l Imacol® C3G liq to prevent fiber-fiber and fiber-metal fiber-metal friction is advisable in such cases.

The recommended amounts of alkali are shown in this shade card  text under 3.3.2 ““Amounts Amounts of salt and alkali”. The “elec “electronic tronic sha shade de card” for Drimaren® dyes is available for calculating the optimum

3.1.6 Leveling agents

amount of alkali required. For critical shades, unfavorable machine conditions or if the solubility of the dyes is in the critical region, it is advisable to add

3.1.3 Works water

1–2 g/l Drimagen® E3R liq to the dye bath. When Drimagen® E3R liq is applied it is necessary to increase the amount of alkali,

The processing water should be soft (≤ 4 °dH), neutral (pH 7) and

necessary for fixation, by ~30–50%. Drimagen® E3R liq improves

free from chlorine.

distribution of the dyes, ensures a uniform increase of the pH during addition of the alkali and complexes any hardness forming

During fixation, in the alkaline medium, any earth alkalis present in

salts in the dye bath without de-metalizing the dyes. Detailed

hard water could precipitate and deposit on the goods being dyed.

information is given in the technical information bulletin on

Removal of earth alkalis requires an acid treatment, preferably with

Drimagen® E3R liq

an addition of Sirrix® 2UD liq or Sirrix® DNA liq If only hard water is available it is advisable to add a sequestering

3.1.7 Liquor ratio

®

agent such as Ladiquest  2005 liq c. The substantivity, degree of exhaustion and final fixation are higher at shorter liquor ratios. This obviously has economic advantages

3.1.4 Antifoams

 through savings s avings of dye, salt, sal t, energy and water.

Undesired foaming may occur, occur, which can have a negative effect on

Severe deviations in the liquor ratio can have a negative influence

 the levelness. level ness. The type of dyeing machine, ma chine, in particula particularr those

on shade reproducibility which is why it is advisable to control the

running at high speed and with high turbulence, can influence the

liquor ratio during dyeing. The liquor ratio can be calculated using a

amount of foam generated. The dyes and dyeing chemicals used or

level gauge on the machine, a flow meter at the water inlet, or by

residual detergents from the pretreatment also have an influence

measuring the specific gravity of the liquor after the salt addition.

on foaming. This problem can be avoided by slowly adding 0.1–0.5 g/l

The influence of the liquor ratio can be calculated using the

Antimussol® SFE liq (silicone-free) in the pre-diluted form.

“electronic shade card”.

4

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

3.2 After-treatment

These are general guidelines. The following parameters can have a negative effect on the washing off behavior of reactive dyes:

3.2.1 Sampling and shading As a rule, it is advisable to correct the shade in a fresh bath. If

■ 

The substantivity of the hydrolyzed dye

■ 

High amounts of salt remaining from dyeing dark shades

■ 

Hard water used for rinsing and soaping

shading is carried out in the existing dye bath, by draining half the dye liquor and replacing it with fresh water water,, there is a danger of

If any of the above factors are present then the number of rinsing

unlevelness and dye hydrolysis. With large differences in shade,  the desired desire d shade sshould hould be matched iin n the lab and re-dye re-dyeing ing

baths must be increased and/or an additional soaping process carried out to ensure the required fastness level is achieved.

carried out in a fresh bath.

3.2.3 Cationic after-treatment 3.2.2 Rinsing and soaping Under unfavorable washing off conditions, i.e. if perfect removal of To achieve optimum wash and wet fastness properties unfixed

 the hydrolyzed hydro lyzed dye is not guaranteed, gu aranteed, the fastness fastne ss properties propert ies can

hydrolyzed dye must be completely removed from the fiber. fiber.

be improved by an afterafter-treatment treatment with a cationic fixative.

Thorough rinsing out of the electrolyte before soaping is essential. Any electrolyte remaining in the soaping bath will impair washing

After-treatment possibilities by the exhaust method are, e.g.:

off of the unfixed dye.

0.5–4 % Optifix® EC liq or 1–4 % Optifix ® RSL liq 20 min at 40 °C

 Working  Workin g method met hod If possible, the rinsing process should be carried out with soft

A cationic after-treatment after-treatment can result in a change of shade and a

warm and then hot water. If only hard water is available, add 0.5–3

reduction in the light fastness (the best results are achieved with

g/l Ladiquest® 2005 liq. conc. or Ladipur ® RSK/R3C liq. to the rinsing

Optifix® RSL liq).

bath. To improve washing off efficiency, the soaping stage should contain 0.5–3 g/l Ladiquest® 2005 liq. conc. or Ladipur ® RSK/R3C liq.

3.2.4 St ripping ripping methods and effects Rinsing baths on jet, winch and circulation machines (example): 10 min at 50 °C.

Faulty dyeing’s with Drimaren® HF/CL dyes can be stripped by

10 min at 50 °C + Sirrix ® NE liq (neutralize to pH 6–7)

reduction or oxidation depending on the desired effect. Using the

15 min at 95 °C + 0.5–3 g/l Ladipur® RSK/R3C liq.

methods described below, dyeing’s can be partially or completely

10 min at 70 °C

stripped. Dyeing’s at 1/1 standard depth (SD), at 1/3 SD for the

10 min cold rinse

 turquoise and brilliant brill iant green dyes and additionally additional ly 3/1 SD S D for navy and 4/1 SD for black dyes, were prepared on bleached cotton

Rinsing ends on the jig: 2 2

interlock. The stripping effects attainable by each method were

ends at 50 °C

assessed. ®

ends at 50 °C + Sirrix  NE liq (neutralize to pH 6–7)

2–4 ends at 95 °C + 0.5–3 0.5–3 g/l Ladipur® RSK/R3C liq.

To avoid catalytic fiber damage when stripping faulty dyeing’s with

2

ends at 70 °C

metal complex dyes it is advisable to add a sequestering agent

1

end cold rinse

such as Sirrix® AK liq to the stripping bath.

5

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

Stripping methods

For highest reproducibility in pale to medium shades requiring high light fastness:

Available chlorine (sodium hypochlorite),

■ 

Drimaren ® Golden Yellow HF-CD (non-photochromic element)

 

pH 10–11 with caustic soda,

■ 

Drimaren ® Orange HF-2GL (non-photochromic (non-photochromic element)

 

60 min at 25 °C,

■ 

Drimaren ® Red HF-6BL

 

antichlor treatment with 1 g/l sodium bisulfite,

■ 

Drimaren ® Blue HF-RL

1.

3 g/l

10 min at 30 °C, 2.

10 ml/l

rinse cold Caustic soda 36 °Bè,

Standard selection for medium to dark shades combining high performance and cost effectiveness:

 

5 g/l

Sodium hydrosulfite,

■ 

Drimaren ® Golden Yellow HF-CD (non-photochromic element)

 

heat within 15 min from 60 °C to 90 °C,

■ 

Drimaren ® Yellow CL-2R

 

60 min at 90 °C,

■ 

Drimaren ® Red HF-3B

 

rinse warm and cold

■ 

Drimaren ® Dark Red HF-CD

Arostit® BLN powder,

■ 

Drimaren ® Red CL-4B

 

heat within 15 min from 60 °C to 90 °C,

■ 

Drimaren ® Blue HF-2B

 

60 min at 90 °C,

■ 

Drimaren ® Navy HF-GN

 

rinse warm and cold

■ 

Drimaren ® Navy HF-B

■ 

Drimaren ® Black CL-S

3.

5 g/l

The stripping methods can also be combined as follows: 4. 5.

First Method 1, without sodium bisulfite treatment,

If a dye is applied at a particularly low concent concentration ration it can be

 then Method Metho d 2

replaced by the corresponding lightfast element to improve the

First Method 2 then Method 1

light fastness properties. Special elements for bright yellow, blue, green and turquoise

3.3 Dyeing processes

shades: ■ 

Drimaren ® Brilliant Yellow HF-RL / Drimaren Yellow CL-3G

■ 

Drimaren ® Turquoise CL-B

■ 

Drimaren ® Turquoise K-2B

Standard combination for highest reproducibility in pale to medium

■ 

Drimaren ® Blue CL-BR

shades:

■ 

Drimaren ® Green HF-5BL

3.3.1 Dye selection

■ 

Drimaren® Yellow CL-2R

■ 

Drimaren® Red CL-5B

■ 

Drimaren® Blue HF-RL

6

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

3.3.2 Amounts of salt and alkali

3.3.3 Cellulose

Soda ash

3.3.3.1 Isothermal process at 60 °C (standard process)

®

Drimaren  H  HFF/CL dye

%

< 0 .5

0.5–1 1–1.5 1.5–2

2–3

>3

Common or Glauber’s salt

g /l

20–50

60

65

70

80

80

For all Drimaren® HF/CL dyes

Soda ash

g/ l

5

10

15

18

20

20

For knitted and woven fabrics, yarn and loose stock material

Fixation Time

min

50

55

60

60

60

60

Isothermal process at 60 °C (standard process) °C

Soda ash/caustic soda Drimaren ® H  HFF/CL dye

%

< 0 .5

Common or Glauber’s salt

g /l

20–50

60

65

Soda ash

g/ l

5

5

NaOH 36 °Bè

ml/l

–

Fixation Time

m in

50

0.5–1 1–1.5 1.5–2

130

2–3

>3

70

80

80

5

5

5

5

1 .0

1 .5

2.0

2.25

2 .5

90

55

60

60

60

60

80

120 110 100

70

Glauber’s salt is recommended for Drimaren ® Orange CL-3R,

60

Drimaren ® Scarlet HF-3G, Drimaren® Turquoise CL-B, Drimaren ® 

50 40

Turquoise K-2B and Drimaren® Green HF-5BL.

30 20

The electrolyte and alkali amounts given for Drimaren® HF/CL in

0

20

40

60

A B

 tables 3.3.2 3. 3.2 can b be e used fo forr Drimaren ® Turquoise K-2B.

80

100

120

140

160

180

20 0

220

240

280

C

In the soda ash/caustic soda method, the soda ash is added first

Dye bath additions

followed by progressive dosing of the caustic soda.

A=

x

 

0.5–1 g/l

Imacol® C2G liq

0.5–3 g/l

Ladiquest® 2005 liq c

 

0.5–3 g/l

Humectol® C liq hc

B=

y

%

Drimaren ® HF/CL dye (linear metering)

C=

z

g/l

Alkali (progressive metering)

Precise information is given in the “electronic shade card”.

26 0

g/l

Salt

The amount of salt and alkali used should be according to the information given in section 3.3.2 “Amounts of salt and alkali” or in the “electronic shade card”. The “Isothermal process at 80 °C for phthalocyanine dyes”, described in section 3.3.3.7, is recommended for Drimaren®  Turquoise CL-B, Drimaren® Turquoise K-2B and Drimaren®  Green HF-5BL.

7

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

3.3.3.2 Process at 40/60 °C

3.3.3.3 Migration process at 80/60 °C

For all Drimaren® HF/CL dyes

For all Drimaren® HF/CL dyes

For knitted and woven fabrics, yarn and loose stock material

Especially recommended for regenerated cellulose and garment dyeing

Process at 40/60 °C

For knitted and woven fabrics, yarn and loose stock material

°C 130

Migration process at 80/60 °C

120 °C 110 130 100 120 90 110 80 100 70 90 60 80 50 70 40 60 30 50 20 0

20

40

60

A

80

100

12 0

140

160

18 0

200

220

24 0

260

40

280

C

30 20 0

Dye bath additions A=

x

g/l

 

0.5–1 g/l

20

40

60

80

100

120

140

160

180

20 0

220

240

26 0

280

B

Salt Imacol® C3G liq

Dye bath additions

0.5–3 g/l

®

Ladiquest  2005 liq c

A=

x

 

0.5–3 g/l

®

Humectol  C liq hc

 

0.5–1 g/l

Imacol® C3G liq

B=

y

%

Drimaren® HF/CL dye (linear metering)

 

0.5–3 g/l

Ladiquest® 2005 liq c

C=

z

g/l

Alkali (progressive metering)

 

0.5–3 g/l

Humectol® C liq hc

 

3

g/l

Revatol® NS liq c

The amount of salt and alkali used should be according to the

B=

y

%

Drimaren ® HF/CL dye (linear metering)

information given in section 3.3.2 “Amounts of salt and alkali” or in

C=

z

g/l

Alkali (progressive metering)

g/l

Salt

 the “electronic “elec tronic sha shade de card”. The amount of salt and alkali used should be according to the The “Isothermal process at 80 °C for phthalocyanine dyes”, ®

described in section 3.3.3.7, is recommended for Drimaren  

information given in section 3.3.2 “Amounts of salt and alkali” or in the “electronic shade card”.

Turquoise CL-B, Drimaren® Turquoise K-2B and Drimaren® Green HF5BL.

The “Isothermal process at 80 °C for phthalocyanine dyes”, described in section 3.3.3.7, is recommended for Drimaren® Turquoise CL-B, Drimaren® Turquoise K-2B and Drimaren ®  Green HF-5BL.

8

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

3.3.3.4 Jig process

Dye bath additions Padding:

x

g/l

Drimaren® HF/CL dye

 

0,5–3,0

g/l

Leonil® EHC liq c

Jig bath:

50–100

ml/l Pad liquor

Dyeing temperature 60 °C (corresponds to the fixation temperature

 

y

g/l

Salt

on the goods).

 

0.5–3

g/l

Ladiquest® 2005 liq c

Dry goods should be run into water containing 1 g/l Leonil ® EHC liq c.

 

0.5–3

g/l

Humectol® C liq hc

Dye bath additions

  z g/l Soda ash Fixation: The number of ends depends on the depth of shade, but

Process for all Drimaren® HF/CL dyes

x

% Drimaren ® HF/CL dye

should correspond to 30–60 min.

®

0.5-1

g/l Imacol  C3G liq

0.5-3

g/l Ladiquest® 2005 liq c

The amount of salt and alkali used should be according to the

®

0.5-3

g/l Humectol  C liq hc

information given in section 3.3.2 “Amounts of salt and alkali”

y

g/l Salt

or in the “electronic shade card”.

z

g/l Alkali

The “Isothermal process at 80 °C for phthalocyanine dyes”, described in section 3.3.3.7, is recommended for Drimaren®

1. end ½ amount dye + dyeing auxiliary’ auxiliary’ss 6. end ¼ amount salt

Turquoise CL-B, Drimaren® Turquoise K-2B and Drimaren® 

2. end ½ amount dye + dyeing auxiliary’ auxiliary’ss 7. end ¼ amount alkali

Green HF-5BL.

3. end ¼ amount salt

8. end ¼ amount alkali

4. end ¼ amount salt

9. end ¼ amount alkali

5. end ¼ amount salt

10. end ¼ amount alkali

3.3.3.6 Garment dyeing

Fixation: The number of ends depends on the depth of shade, but

The dyeing of ready made-up articles of knit or woven fabric is an

should correspond to 30–60 min.

alternative to conventional piece dyeing.

The amount of salt and alkali used should be according to the

The entire range of shades can be covered with the Drimaren® HF/

information given in section 3.3.2 “Amounts of salt and alkali”

CL dyes. Thanks to the simple dyeing method and their good washing  

or in the “electronic shade card”.

off properties, Drimaren® HF/CL dyes are highly recommended for

The “Isothermal process at 80 °C for phthalocyanine dyes”,

dyeing garments. To ensure good penetration of thick seams and

described in section 3.3.3.7, is recommended for Drimaren®

heavy articles, the migration process at 80/60 °C is recommended.

®

®

Turquoise CL-B, Drimaren  Turquoise K-2B and Drimaren  

The amount of salt and alkali used should be according to the

Green HF-5BL.

information given in section 3.3.2 “Amounts of salt and alkali” or in the “electronic shade card”. The “Isothermal process at 80 °C for phthalocyanine dyes”,

3.3.3.5 Pad jig process

described in section 3.3.3.7, is recommended for Drimaren®  Turquoise CL-B, Drimaren® Turquoise K-2B and Drimaren ® 

If the Drimaren® HF/CL dyes are applied by padding it is possible

Green HF-5BL.

 to save up u p to 10 e ends nds on th the e jig.

9

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

3.3.3.7 Isothermal process at 80 °C for phthalocyanine dyes

3.3.4 Polyester/Cellulose

This process is especially recommended for phthalocyanine dyes,

3.3.4.1 SWIFT process

Drimaren ® Turquoise CL-B, Drimaren ® Turquoise K-2B and Drimaren ® Green HF-5BL.

The SWIFT process is for dyeing PES/CEL blends in the shortest

For knitted and woven fabrics, yarn and loose stock material

 time, where whe re high w wet et fastnes fastnesss is achieved ach ieved without wit hout a reduction red uction clearing step, saving water, energy and total processing cost.

Isothermal process at 80 °C for phthalocyanine dyes

Dyestuff selection CEL

°C 130

Drimaren ® HF dyes: A range of reactive dyes distinguished by their

120

high degree of fixation, easy washing off and excellent fastness

110

level.

100 90

Dyestuff selection PES

80

Foron® S-WF dyes: A range of alkali clearable dyes with high

70

sublimation and wet fastness properties.

60 50

SWIFT process

40 30

°C

20

130 0

20

40

60

80

10 0

120

140

16 0

180

200

22 0

240

260

28 0 120

A B

C

110

Dye bath additions A= x

100 90

g/l Glauber’s salt

80

 

0.5–1 g/l Imacol® C3G liq

 

0.5–3 g/l Ladiquest® 2005 liq c

 

0.5–3 g/l Humectol® C liq hc

 

3

g/l Revatol® NS liq c

40

 

1–2

g/l Drimagen E3R liq

30

70 60 50

®

B= y

% Drimaren  dye (linear metering)

C= z

g/l Alkali (progressive metering)

20 0

15 15

30

45

60

75

AB

90

105

120

C

1 35

150

165

DE F

180

195

210

Dye bath additions

should be according to the information given in section 3.3.2

A:

“Amounts of salt and alkali” or in the “electronic shade card”.

 

0.2

%

When Drimagen E3R liq is applied it is necessary to increase the

 

0.5–2

g/l Imacol® MPE liq

amount of alkali, necessary for fixation, by ~30–50%.

 

0.5–2

g/l Opticid® PSD liq c

 

240

255

270

2 85

G

Glauber’ss salt is recommended. The amount of salt and alkali used Glauber’

Chemicals:

225

0.25–1.5 g/l Lyocol® RDN liq Eganal® PS liq

pH 5.5

10

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

1st bath

Foron® S-WF dye

B:

Dye bath additions ®

0.8 % Imerol  JSF liq

A= x

 

1.5 % Sirrix® SB liq

 

0.5–1 g/l Imacol® C3G liq

 

4.0 % H2O2 35%

 

0.5–3 g/l Ladiquest® 2005 liq c

 

1.0 % NaOH 36 ° Bè

 

0.5–3 g/l Humectol® C liq hc

C:

Chemicals:

g/l Salt

B= y

% Drimaren® HF/CL dye (linear metering)

C= z

g/l Alkali (progressive metering)

D:

Glauber’s salt

E:  

Chemicals:

F:

Drimaren® HF dye (linear metering)

The amount of salt and alkali used should be according to the

G:

Alkali (progressive metering)

information given in section 3.3.2 “Amounts of salt and alkali”

®

0.4 % Bactosol  SAP liq 1.0 % Imacol® MPE liq

or in the “electronic shade card”. The “Isothermal process at 80 °C for phthalocyanine dyes”,

3.3.5 Cellulose/Polyamide

described in section 3.3.3.7, is recommended for Drimaren®  Turquoise CL-B, Drimaren® Turquoise K-2B and Drimaren ®  Green HF-5BL.

2 bath dyeing process for cellulose/polyamide blends For knitted and woven fabrics, yarn and loose stock material

2nd bath Dyeing process

Dye bath additions

°C

D = 1.0–2.0 g/l sodium acetate acetate cryst

130 120 110 100

 

0.5–2.0 % Lyogen® CN liq

 

0.5–3.0 % Lyogen® NH liq

 

x

E= y

90

% Nylosan® /Lanasyn ® dye % Acetic acid to pH 4.5–5.0

80 70

After-treatment Aftertreatment of the polyamide dyeing:

60

The recommendations for the after-treatment of polyamide dyeings

50

dyeing’ss can be found in the polyamide shade card. dyeing’

40 30 20 0

AB

20

40

60

C

80

10 0

12 0

14 0

16 0

18 0

20 0

22 0

24 0

26 0

28 0

300

320

340

DE

11

 

Textile Chemicals

 Drimarren® HF/CL reactive dyes  Drima Exhaust Dyeing procedures

www.textiles.clariant.com Clariant International Ltd Rothausstrasse 61 4132 Muttenz Switzerland Business Unit Textile Chemicals The Synergy 1 International Business Park 609917 Singapore Singapore

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