optical brightener OB

optical brightener OB


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Keyword
optical brightener, coating and pain, fluorescent whitener, plastic oba
Category
Catalyst & Chemical Auxiliaries

Dalian Richfortune Chemicals Co.,Ltd.

Country / Year Established
China China /
Business type
Others
Verified Certificate

11

Product name optical brightener OB Certification -
Category Catalyst & Chemical Auxiliaries Ingredients -
Keyword optical brightener , coating and pain , fluorescent whitener , plastic oba Unit Size -
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Product Information

Optical Brightener OB (C.I. 184)

Introduction:

OB is a thiophenediyl benzoxazole class optical brightener suitable for various thermoplastic polymers, painting ink, coating, paint.

Structural Formula:

 

Details  :  
CAS No: 7128-64-5 
Appearance: light yellow or milk white powder 
Assay: 99%Min Melting point: 201-202ºC 
Properties:

1. Small consumption, strong whitening intensity, small consumption can bring a very good whitening result.
2. Wide service behavior, suitable for various kinds of plastic whitening.
3. Have a good compatibility with plastic, good resistance to high temperature and excellent light fastness and weathering resistance. 
Applications:

OB as an excellent brightener has been used in various thermoplastics including PVC, PS, PE, PP, ABS, Polyolefin and other organic materials, It can also be used in coating, paint and ink, has good compatiblity with many substrates, has been widely used in plastic industry because of good heat-resistance, low addition amount and exceptional whitening effect. It shows special bright shade combined with some dyes. it is suitable for food packing but local regulations must be observed.

Method of usage:

The recommended loading concentrations for light color polyolefin is 0.0005 % to 0.0010% and the loading levels in other plastics range between 0.005% and 0.100% depending on substrate, processing conditions, and long-term stability requirements.  When OB is used with UV absorbers, pls noted, the loading levels must be increased.

Please Noted: above recommended loading can be a reference. Exact loading must be

determined by compositions of the specific polymer system

Packing: Packaged in 25kg complex paper bags or fiber drums.

 

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options Negotiable Shipping time Negotiable

Dalian Richfortune Chemicals Co.,Ltd.

Country / Year Established
China China /
Business type
Others

11

President
Liu
Address
12A-11 Yangguang Shuma Building, 596 Huang Pu Road, DaLian, Liaoning 116023, P.R. China
Product Category
Catalyst & Chemical Auxiliaries,Industrial Supplies
No. of Total Employees
1-50
Company introduction

Richfortune Chem

A Global Leader in Specialty Additives, Intermediates and Heat Transfer Fluids

In 1992, we firstly developed and tried to produce Optical Brightener OB.

In 1995, we started to manufacture 2,5-thiophenedicarboxylic acid(also called OB acid) and other kinds Optical Brighteners( OB-1, FP-127, ER) .

In 2005, we started to make Biphenyl series, Optical Brightener CBS-X and Heat Transfer Fluids.

In 2012, we started to expand production capacity of some products, such as 5000Mt/a DIPEHNYL OXIDE, 3000Mt/a P-TOLUIC ACID, 2000MT/a PARTIAL HYDROGENATED TERPHENYL, 2000Mt/a 2-FORMYLBENZENESULFONIC ACID SODIUM SALTS, 600Mt/a FERROCENE.

After decades fast development, now our products include:

Additives: optical brighteners; Antioxidants; UV Absorbers; Flame Retardants, Photo Initiators, Accelerators; Ferrocene, Etc

Heat Transfer Fluids: Biphenyl+Diphenyl Oxide Mixture(RFCTHERM-400), Partial Hydrogenated Terphenyl(RFCTHERM-PHT-350), Etc

Intermediates: P-toluic acid, P-Tolunitrile, 2-amino Phenol, Biphenyl, Diphenyl Oxide, 1,4-naphthalene dicarboxylic acid, 2-Formylbenzenesulfonic acid sodium salt, Etc

We also focus on inorganic chemicals (Especially in High purity Strontium and Barium salts.

Today, our products have been exported to many countries, we also have become a global leader in above fields.

A Commitment to Our Products

All our products are supported by our Quality System and testing and R&D laboratories, we offer expert technical support and valuable services based on our professional knowledge over decades, We apply this approach to create a customer experience that is friendly, efficient and seamless, We hope to establish good cooperation relations with colleague worldwide.

A Philosophy of Sustainable and Innovative Development

We always select environmentally responsible raw materials to manufacture our products, For every product across our entire product line, we constantly looks for ways to reduce environmental impact, everybody is obliged to protect environment, everybody have the right to enjoy green grass, clean water and fresh air.

 

 

Main Markets

Brazil Brazil

Germany Germany

India India

Italy Italy

South Africa South Africa

South Korea South Korea

Spain Spain

Turkey Turkey

U.S.A U.S.A

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