Sylic® Fluorescent Whitening Agent OBA BBU
1. Introduction
BBU is suitable for: Cotton,Chinlon,viscose,T/C,T/R,linen,Wool,Silk. It can be dissolved in warm water, acid and alkali resistant, It has good compatibility with most chemical agents used in dyeing and finishing,used in One-bath dyeing.
2. Technical index
| Physical characteristics |
Fastness properties |
| chemical construction |
Styrylbenzene derivative |
solubility |
100 g/l @60ºC |
| appearance |
Light yellow powder |
reductant |
Stable |
| affinity |
High |
chlorate |
Unstable |
| Shade |
Blue-purple light |
PH scope |
6-11 |
| storage |
24 Month |
3.Applications
- BBU is tetrasulfonic acid type Styrylbenzene derivative. This model has better solubility, light fastness, stability of acid-alkali than VBL, especially better whiteness at the same dosage. It is blue-purple when dissolving in water.
- BBU can be used for whitening of surface sizing, coating…Or used directly, or dissolved in water.
Dosage: granular type BBU to dry paper pulp, raw material 0.1-0.3%, coating 0.1-0.5%,surface sizing0.1-2%
Notes: BBU should be used before alum or cationic auxiliaries when pulp whitening. If for surface sizing, BBU can work with CMC, PVA, starch and anion or cation synthetic sizing agent at the same time. If for coating, BBU should be dissolve in water , then used at any stage of preparation.
1. Do not use cationic additives.Because may cause conflict with anionic fluorescent whitening agent, that may cause sediment.
2. Water containing metal ions,such as: Cu,Fe,Mn,Zn,will affect the whitening effect of OBBU. For this aspect,Can use metal ion chelating agent to remove in advance.
3. Do not exposed to the sun after dissolution.
4. BBU is a kind of fluorescent dyes with excellent whitening effect,Only use appropriate amount is enough to show whitening effect. If use too much will appear extinction phenomenon.
5. Its dyeing speed is fast, dye uniformity and compatibility is good, so Room temperature bath without additives can dyeing
6. If used in the dye bath containing NaClO2,will effect the whitening effect, so need to remove chlorin fully before use BBU.
Packaging & Storage
1. 25KG carton box or according to customer request.
2. Be stable for 5 years when properly stored in closed container at 20ºC.
About us
Founded in the year of 1999, HANGZHOU TIANKUN CHEM Company Limited is a large-scale enterprise that specializes in manufacturing dyestuffs. With the aid of standardized production, an exceptionally experienced sales force, advanced laboratory, timely delivery, we have successfully been catering to the demands of our customers and have become one of the top-ranking dyestuff factories in the global market.
We're a famous textile auxiliaries producer in China with over 30000 tons annual output. Our factories are located in Zhejiang
province, nearly closed to Shanghai. Your visit to our factory will be greatly welcomed.
Shipment & Delivery
Delivery Time:Within 10 days after got T/T or L/C bank copy.
Shipment:Whether you have your own freight-forwarder or you would like us to organize shipment ; whether you require delivery FOB to a port in China or CIF to a port near you,we are happy to quote and supply whichever way you choose. Please
feel free to discuss all options with us .
Payment
We support a variety of payment terms like T/T, L/C at sight, DP, C.A.D etc. If customers need forward payment term like
T/T 30 days or L/C 60 days, we will also try to meet their demand based on customers' reputation and consumption.
Certification & Exhibitions
Our products' quality has been approved by ISO9001 quality management system, OKEO-TEX, GOTs, etc.
FAQ
Q1: Does the product meet international environmental certification standards?
A: This product has passed OEKO-TEX® Standard 100, REACH and other certifications, does not contain harmful substances such as APEO and formaldehyde, and is suitable for export to the EU, North America and other textile production with strict environmental protection requirements.
Q2: What is the MOQ?
A: The MOQ of conventional dye is 25kg/ barrel, the MOQ of auxiliary support 1 ton, and 500g sample trial pack is provided (sample fee and freight are required).
Q3: How to ensure transportation safety?
A: The liquid additives are packed in UN-certified sealed drums, the powder dyes are packed in moisture-proof aluminum foil bags+ cardboard drums, and MSDS and dangerous goods transport documents are provided.
Q4: Can I customize special functional auxiliaries?
A: Support the development of anti-static, flame retardant, waterproof and other functional additives, need to provide fabric composition, target performance indicators and test standards.
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