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Auxiliaries for a system of correction of faulty cloth |
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K. Izutsu, Nippon Kayaku Chemicals Division |
| 2. Auxiliaries for a system of correcting faulty cloth |
| 2-2. |
Fluorescent decoloration agent for polyester
Kayadecolor MW |
| Note: |
This recipe is for a method of masking fluorescent dyestuffs. After this treatment, redyeing with fluorescent dyestuffs is difficult. In addition, it is recommended that redyeing be
conducted with colored dyestuffs. |
 Characteristics
Agent for the fluorescent decoloration of polyester
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Kayadecolor MW is an agent to remove fluorescence during decoloration from polyester dyed with fluorescent dyestuffs. |
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Since this agent is in dispersed powdered form, it has good disperse and exhaustion properties. |
Quality specifications
The quality specifications for Kayadecolor MW are shown in the table below.
Kayadecolor MW: Quality specifications
| 1. Appearance |
Pale yellow/white viscous liquid |
| 2. Components |
Organic compound containing nitrogen |
| 3. Ionicity |
Anionic |
| 4. Solubility |
Dissolves readily in cold water |
| 5. pH |
Neutral |
| 6. Method of use |
Treatment temperature: 125~135 , 30~60min
Dyeing pH: 4.5
Concentration for use: 2.5~10% |
| 7. Packaging |
18kg can |
| 8. Handling |
Avoid contact with eyes, skin and clothing. Wear suitable protective equipment during operations. |
2-2-1. Colorfastness to light of redyed cloth after decoloration
Redyed cloth (dyed with colored dyestuff) does not have any problems with colorfastness to light.
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