optical brightener MST

Author:taicangchem 2020-03-03 09:13:51 368 0 0

optical brightener MST

optical brightener MST suitable for cotton or other cellulose fiber fabrics. optical brightener MST used in continuous pad dyeing process of this kind of fabric to have the best whitening effect.

Shijiazhuang Taicang New Materials Co., Ltd. is a technology innovation and environmental protection enterprise integration of research, production and sales series of Optical Brightener and Chemical Auxiliary.

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Product Details

optical brightener MST

other name: optical brightener 353, fluorescent brightener MST, fluorescent whitener MST

CAS No.: 55585-28-9 C.I.: 353

optical brightener MST suitable for cotton or other cellulose fiber fabrics. optical brightener MST used in continuous pad dyeing process of this kind of fabric to have the best whitening effect. According to optical brightener MST basic properties and staining method is introduced as follows:

 

Physical Characteristics

Fastness Properties

Chemical Construction:

Stilbene derivative

H2O2:

Stable

Appearance:

Light brown transparent liquid

Reductant:

Stable

Ionicity:

negative

Chlorine:

Unstable

Affinity:

low

Chlorate:

Unstable

Fluorescent Colors:

White with violet light

PH:

1-12

Solubility:


Storage:

12 month

optical brightener for cotton fiber

Performance features

A. optical brightener MST is widely used for continuous pad dyeing process of cotton and nylon fabric. Low affinity on fiber, no color different. Good performance on levelling property.

B. Good performance on Lifting property, better whiteness.

C. Wide temperature range.

D. Good performance on stability of reducant agent, and hardwater. Acid and alkali resistant pH=1-12, work with resin finishing  in one-bath. Good whiteness effort when polyelectrolyte exists.

optical brightener MST could not be bleached with hypochlorous acid compound.

fluorescent whitening agent for cotton fiber

Application Method

Pad Dyeing Method

Softening treatment

Dosage:

MST 4-25g/L

Dosage:

MST 5-30g/L

Process:

Pad (mangle expression 70%) – drying (110-130℃)

softer (nonionic):

15-30g/L



Process:

Pad (expression 70%) – drying (110-130℃)

 

Note:

1. Please do not use cationic additives with optical brightener MST at the same time. Because that may cause ion conflict between cation and  anion ( optical brightener agent), if so, there will be precipitation phenomenon.

2. Metal ions in water will impact the whitening effort of Optical brightener, such as CuFeMnZn. In this aspect, please use metal chelating agent to remove them in advance.

3. Optical brightener agent should not expose to the sunlight directly.

 

Packing:

In 25kg plastic drum or as customer request.

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