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Optical brightener OB-1

Type

Optical brightener

Product name

Optical brightener OB-1

Alias

Fluorescent Whitening Agent OB-1; 2,2'-(ethene-1,2-diyldibenzene-4,1-diyl)bis(1,3-benzoxazole); 2,2'-[(E)-ethene-1,2-diyldibenzene-4,1-diyl]bis(1,3-benzoxazole); Optical Brightening Agent OB-1; Optica

CAS No.

1533-45-5

EINECS No.

216-245-3

Structural formula

Molecular formula

C₂₈H₁₈N₂O₂

Molecular weight

414.4547

Performance and characteristics

1, high Whitening strength, a strong fluorescence.

2, Wide application performance, Widely used in whitening polyester, nylon fiber and all kinds of plastics.

3, High tem

Scope of application

1, Suitable for whitening polyester fiber, nylon fiber, polypropylene fiber and other chemical fiber.

2, Suitable for whitening Polypropylene plastic, hard PVC, ABS, EVA, polystyrene, polycarbonate.

3, Applicable to the conventional polymerization of polyester and nylon.

4, Especially suitable for whitening high-temperature molding of plastic products.

Application methods

Recommended dosage: 1000kg material

1, EVA, pp, nylon, polycarbonate, etc, dosage is 75～200g.

2, Polyester fiber, dosage is 75～300g.

Packaging and storage

1kg×12 or 2kg×5 carton, 20kg metal pail or upon your demand, Stored in a cool and dry place; away from light.

Technical conditions
(Technical index)

Appearance	yellow powder
Melting point	358-360℃
Purity	≥99%
Fineness	> 200 mesh

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■ Optical brightener

■ Organic pigments

■ Antioxidants