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Special Environmental Wet Rubbing Fastness Improving agent 819 for Jeans

Special Environmental Wet Rubbing Fastness Improving agent 819 for Jeans

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Forword:

After receiving the message from the market, some customers didn’t achieve the desired effect after using the wet rubbing fastness improving agent on the denim fabric. Through the customer's finishing process, we learned that the problem was the baking temperature. The general  wet rubbing fastness improving agent needs to be baking at 100-120 ℃ after dip & pad to achieve the desired effect, while the customer's actual baking temperature is only 60-80 ℃, It can not make the wet rubbing fastness improving agent to better combine with the fabric, thus affecting the application effect. In order to solve this problem, our company has newly developed a special wet rubbing fastness improving agent 819  for jeans. The baking temperature is 60-80 ℃, which can achieve good fastness effect, and the practical process with good anti-staining effect will not reverse staining.

Experimental process:

1. Experimental materials and equipment

1.1 Material: denim

1.2 Auxiliaries: environmental wet rubbing fastness improving agent 819, common wet rubbing fastness improving agent.

1.3 Equipment: high temperature and high pressure dyeing small prototype, 101-3 electric constant temperature blast drying oven, y571b wet rubbing fastness tester.

1.4 Test Objective: To test the wet rubbing fastness and anti - back - staining effect of the denim washing process.


2. Finishing process

According to the types and concentrations of practical dyes, the types and forms of treated fabrics, the usage is as follows:

2.1 Dipping:

Dosage: wet rubbing fastness improver 3 ~ 5% (OWF) (adjust the depth of the visual shade)

Bath ratio: 1:10 ~ 15

Process: dyed cloth (pH ≤ 7) → impregnation (room temperature, time: 20min) → baking (60 ℃ ~ 70 ℃)


3. Matters needing attention

1. After preparation, please use it immediately. Before use, the sample test should be done well. The above process is for reference only.

2. It can only be used alone,can not in one bath with silicone oil, fixing agent and anionic auxiliaries.

3. The temperature of working fluid is best controlled at 20 ℃ ~ 35 ℃.

4. Before using wet friction, the desizing of the cloth surface shall be clean to avoid affecting the effect of wet friction fastness.

5. Before using wet friction, clean up the cloth alkali (control pH ≤ 7), salt and soap.


4. Test result

4.1 Result of wet rubbing fastness

Original cloth

Blank

Normal wet rubbing fastness improving agent (4%)

Wet rubbing fastness improving agent 819 (4%)

Common wet rubbing fastness improving agent (5%)

Wet rubbing fastness improving agent 819 (5%)

1.jpg

2.jpg

3.jpg

4.jpg

5.jpg

6.jpg

/

1 grade

grade

grade

2.5 grade

grade

7.jpg

8.jpg

9.jpg

10.jpg

11.jpg

12.jpg

/

grade

grade

grade

2.5 grade

3.5 grade


4.2 Dry rubbing fastness cloth board


Original cloth

Blank

Normal wet rubbing fastness improving agent (4%)

Wet rubbing fastness improving agent 819 (4%)

Common wet rubbing fastness improving agent (5%)

Wet rubbing fastness improving agent 819 (5%)



Black Denim

13.jpg

14.jpg

15.jpg

16.jpg

17.jpg

18.jpg

Grade

/

2.5 grade

grade

grade

grade

grade



Blue denim

19.jpg

20.jpg

21.jpg

22.jpg

23.jpg

24.jpg

Grade

/

grade 

3.5 grade

grade

3.5 grade

grade


4.3 Result of anti - back - staining effect of Blank


Normal wet rubbing fastness improving agent (4%)

Wet rubbing fastness improving agent 819 (4%)

Common wet rubbing fastness improving agent (5%)

Wet rubbing fastness improving agent 819 (5%)




Black Denim

25.jpg

26.jpg

27.jpg

28.jpg




Blue denim

29.jpg

30.jpg

31.jpg

32.png

Performance summary

1. When the baking temperature is 60-80 ℃, the result of wet rubbing fastness is very good, which can be improved by more than 1-2 grades.

2. Good anti - staining effect, the practical process will not be anti - staining on the cloth and pocket.

3. Good stability, easy to use.

4. Meeting the EU standards, excluding DMF, it is an environmental protection product.


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