Durable Cationic Red 3R
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Durable Cationic Red 3R

MST® Durable Cationic Red 3R is a cationic dye, the physical and chemical properties of MST® Durable Cationic Red 3R are dark red powder, when dyed at high temperature (120℃), the shade is yellower. Compatibility value K=1.5. The cationic dyes produced by Milestone Inudstrial Co. Ltd. have stable performance and have been praised by users.The following is the introduction of high quality MST® Durable Cationic Red 3R, hoping to help you better understand Durable Cationic Red 3R. Welcome new and old customers to continue to cooperate with us to create a better future!

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Product Description

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MST® Durable Cationic Red 3R is a cationic dye, the physical and chemical properties of Durable Cationic Red 3R are dark red powder, when dyed at high temperature (120℃), the shade is yellower. Compatibility value K=1.5. The cationic dyes produced by Milestone Inudstrial Co. Ltd. have stable performance and have been praised by users.

Name: MST® Durable Cationic Red 3R

C.I. Basic Violet 16;

CAS NO.: 6359-45-1

EINECS NO.: 228-799-3

Molecular formula: C23H29ClN2

Molecular weight: 368.9428


The purpose of MST® Durable Cationic Red 3R:


  • Durable Cationic Red 3R is mainly used for the dyeing of acrylic fiber, the pH value is below 5 and the color is stable.
  • Durable Cationic Red 3R can also be dyed with diacetate and nylon, but it has poor light fastness.
  • Durable Cationic Red 3R is also used for direct printing of acrylic, diacetate, and acid-modified polyester fabrics.


Therefore, Durable Cationic Red 3R is mainly used for dyeing acrylic loose fibers, fiber strips and acrylic yarn.

  

Production method of MST® Durable Cationic Red 3R

Durable Cationic Red 3R uses triples and p-N,N-diethylamino*benzaldehyde as raw materials, and the product is obtained by condensing the two.


Influencing factors of Durable Cationic Red 3R

Durable Cationic Red 3R has a high affinity for acrylic fibers. It is easy to produce uneven dyeing due to fast adsorption and slow diffusion during dyeing. Once uneven dyeing occurs, it is difficult to correct it by extending the dyeing time. In addition to the types of acrylic fibers, the factors affecting the dyeing rate of Durable Cationic Red 3R are as follows:

1) Temperature: Temperature is an important factor in controlling levelling

2) Electrolyte: Adding electrolyte, such as sodium sulfate, salt, etc. to the dye bath, can reduce the dyeing rate of cationic dyes and have a slow dyeing effect.

3) Retarder: In Durable Cationic Red 3R dyeing, a retarder is often added to reduce the dyeing rate and obtain a uniform dyeing effect. Durable Cationic Red 3R has two types of retarders: cationic retarders and anionic retarders.

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