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
.
BA
powder
,optical brighteners in textiles,Fluorescent Brightener BBU
,cotton fiber dyeing,whitening agent 127
,Fluorescent Brightener Agent 199,Fluorescent dyestuff
.
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:
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Physical Characteristics |
Fastness Properties |
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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 |
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Solubility: |
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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
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Application Method |
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Pad Dyeing Method |
Softening treatment |
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Dosage: |
MST 4-25g/L |
Dosage: |
MST 5-30g/L |
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Process: |
Pad (mangle expression 70%) – drying (110-130℃) |
softer (nonionic): |
15-30g/L |
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|
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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 Cu、Fe、Mn、Zn. 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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