Manufacturer for China Fluorescent Brightener Optical Brightener CAS 1533-45-5

To be a result of ours specialty and service consciousness, our enterprise has won an excellent status between buyers all around the globe for Manufacturer for China Fluorescent Brightener Optical Brightener CAS 1533-45-5, If you are interested in almost any of our services and products, please never hesitate to get in touch with us. We have been willing to reply you within just 24 hrs following receipt within your ask for and also to create mutual un-limited positive aspects and business enterprise in in the vicinity of future.
To be a result of ours specialty and service consciousness, our enterprise has won an excellent status between buyers all around the globe for China Fluorescent Brightener, Fluorescer, We welcome you to visit our company and factory. It is also convenient to visit our website. Our sales team will offer you the best service. If you need to have more information, you should feel free to contact us by E-mail or telephone. We have been sincerely hope to establish a good long-term business relationship with you through this opportunity, based on equal, mutual benefit from now till the future.

Structural formula

Chemical name: 1,4-bis(benzoxazolyl-2-yl)naphthalene

C.I.:367

CAS NO.: 5089-22-5/63310-10-1

Technical data:

Appearance: yellowish-green crystal powder

Content: ≥99.0%

Melting point: 210-212℃

Molecular formula: C24H14N2O2

Molecular weight: 362

Solubility: insoluble in water, soluble in organic solvents

Maximum absorption spectrum wavelength: 370nm

Maximum fluorescence emission wavelength: 437nm

Other features: good heat resistance and light resistance; good chemical stability, no reaction with plasticizers, foaming agents, crosslinking agents, etc., good compatibility with polymer materials, and no bleeding.

Application

Optical brightener KCB is one of the best products among many fluorescent whitening agents. Strong whitening effect, bright blue and bright color, it has good heat resistance, weather resistance and chemical stability. It is mainly used for the whitening of plastic and synthetic fiber products, and it also has obvious brightening effect on non-ferrous plastic products. It is also widely used in ethylene/vinyl acetate (EVA) copolymers, which is an excellent variety of optical brighteners in sports shoes. It is also widely used in PE, PP, PVC, PS, ABS, PMMA and other plastic films, molding materials, injection molding materials and polyester fibers. It also has a significant effect on the whitening of paints and natural paints. This variety is the lowest toxic among many varieties of whitening agents. The United States stipulates that it can be used for whitening food packaging materials.

Reference Dosage

For plastics or resins, the general dosage is 0.01-0.03%, that is, about 10-30 grams of BC-111 fluorescent whitening agent is added to 100 kilograms of plastic raw materials. The user can adjust the specific dosage of the whitening agent according to the requirements of whiteness. If an ultraviolet absorber such as titanium dioxide is added to the plastic raw material, the optimal amount of the whitening agent should be adjusted appropriately.

PE : 10-25g/100kg plastic raw material

PP : 10-25g/100kg plastic raw material

PS : 10-20g/100kg plastic raw material

PVC: 10-30g/100kg plastic raw material

ABS : 10-30g/100kg plastic raw material

EVA: 10-30g/100kg resin

If used in transparent plastic film, the reference dosage of brightener: 1-10g/100kg plastic raw material

Packing: 25kg cardboard drum lined with plastic bag or packed according to customer requirements

To be a result of ours specialty and service consciousness, our enterprise has won an excellent status between buyers all around the globe for Manufacturer for China Fluorescent Brightener Optical Brightener CAS 1533-45-5, If you are interested in almost any of our services and products, please never hesitate to get in touch with us. We have been willing to reply you within just 24 hrs following receipt within your ask for and also to create mutual un-limited positive aspects and business enterprise in in the vicinity of future.
Manufacturer for China Fluorescent Brightener, Fluorescer, We welcome you to visit our company and factory. It is also convenient to visit our website. Our sales team will offer you the best service. If you need to have more information, you should feel free to contact us by E-mail or telephone. We have been sincerely hope to establish a good long-term business relationship with you through this opportunity, based on equal, mutual benefit from now till the future.