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| Product Name: |
Optical brightener VBL for Cellulose fabric and paper(C.I.151)
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| Supply Ability: |
20000tons |
| Related proudcts |
paper, cotton, optical brightener, |
| Specifications |
VBL |
| Price Term: |
FOB |
| Port of loading: |
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| Minimum Order |
500KG |
| Unit Price: |
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Product name: Optical brightener VBL for Cellulose fabric and paper(C.I.151)
Other name: Fluorescent Brightener 151
CAS No.:12224-16-7
MF:C36H34N12O8S2NA2
EINECS No.:254-935-6
Molecular: weight: 872.84
Appearance: Light yellow to yellow powder
Color tone: blue-green and micro-purple
UV absorption (in E) : 348nm
Strength: 100¡À3%
Whiteness: WCIE: -3
Fineness: <10%
Moisture content: 5%
Inpurity content insoluble in water: 0.5%
Applications:
1.For cotton fabric and gluing products, light color or printing products.
2. For printing pulps and exhausting or padding dyeing.
3.For polyvinyl alcoholic fiber and polyamide fiber.
4. For paper-making industry, paper pulp or paints
Property:
1.with bluish violet color.
2.Soluble in soft water as much as 80 times weight, 300ppm in hard water.
3.Anionic types, alkali endurable, can be used in one bath of anionic and nonionic surfactant.
4.To be unendurable ion of copper and iron, etc. Unsuitable to be used in cationic dyestuff and surfactant.
Dosage:
1.The dosage used is 0.08-0.3% in printing and dyeing industry.
The conditions of VBL¡¯S dip-dye whitening are similar to the direct dye.
For example: cotton cloth dip-dye Whitening
VBL 0.08-0.3% (fabric weight) anhydrous sodium sulfate:0-20% (plant weight)
Processing conditions, bath ratio 1: 20-1: 40, PH 7-9,Temperature: 20 - 40 ℃,Time: 20-30 minutes.
Drying condition: drying temperature is usually the 70 - 80 ℃
2. The dosage used is 0.1-0.3% in paper making industry.
Pad dying fabric whitening usually needs refining bleaching, dechlorination, drying, speed is generally 30-40 m / min or so, two Baptist 2 rolling, rolling liquid rate: 70-100%, temperature: 40 -50 ℃, PH = 7-9 For example: cotton cloth whitening:&©|160;VBL 0.5-3 g/l,Opened powder 0.25-0.5g/l.
Package: 25kg/drum,8tons/20FCL, or as customer request. |
| Company: |
Changsha Lianda Chemical Co.,Ltd
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| Contact: |
Ms. Mo Molly |
| Address: |
No.259 Mawangdui Road |
| Postcode: |
410000 |
| Tel: |
86 731 8388 8220 |
| Fax: |
86 731 8872 6158 |
| E-mail: |
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