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Zhejiang Shengzhou Wanshida Chemicals Optical Brightener OB

Optical brightener OB also fluorescent brightener OB, optical brighteners for plastics. Optical brightener OB mainly brighten or whitening PVC, PE, PP, PS, ABS, PMMA, POM. It is one important whitening agent in plastics.

Color: White

Functions: Optical Brightener

Compatible Polymers & Resins: Acrylonitrile Butadiene Styrene (ABS), Poly(Methyl Methacrylate) (PMMA), Polyesters, Polyethylenes (PE), Polyoxymethylene (POM), Polypropylenes (PP), Polystyrenes (PS), Polyvinyl Chloride (PVC)

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Name
    Plastics & Elastomers Functions
    Molecular formula
    C26H26N2O2S
    CAS No.
    52232-33-4

    Features & Benefits

    Features
    • Pale green powder, tasteless, dissolvable in paraffin, fuorecent brightener OB spectrum can absorb the maximum wavelength of 375nm with the maximum transmitted length of 435nm (in ethanol).
    • Good brightening effects and weathering resistance requires a small quantity

    Applications & Uses

    Application methods
    • Polyvinyl chloride brightening: 0.01~0.05%
    • Increase radiance: 0.0001~0.001%
    • Polystyrene 0.0001~0.05%
    • ABS: 0.01~0.05%
    • Polyolefin colorless matrix: 0.0005~0.001%
    • White matrix: 0.005~0.05%

    Properties

    Color
    Physical Form
    Appearance
    light yellow or milk white powder
    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular weight430.56
    Puritymin. 99.8%
    Melting point201-202
    Ashmax. 0.1
    Volatile contentmax. 0.4%