Optical brighteners

  • Chemical Name
    2,5-thiophenediylbis (5-tert-butyl-1,3-benzoxazole)
    CAS NO.
    7128-64-5
    Description

    GC OB is highly effective in polymer substrates such as engineering plastics, e.g. polyesters,
    polycarbonate, polyamides and acrylics, thermoplastic polyurethane, polyvinylchloride, styrene
    homo- and copolymers, polyolefins, adhesives, and other organic substrates. Main applications
    include fibers, molded articles, films and sheets. Additional applications include clear lacquers,
    pigmented lacquers, paints, printing inks and synthetic leather.

    Category
    Applications
    , , ,
  • Chemical Name
    2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
    CAS NO.
    1533-45-5
    Description

    GC OB-1 is suitable for whitening chemical fibers, such as the polyester fibre, nylon fiber, polypropylene fiber and so on.Also Suitable for whitening and brightening polypropylene plastic, hard PVC, ABS . EVA, polystyrene, polycarbonate, etc. It is suitable to be added into the conventional polymerization of polyester and nylon. Especially suitable for whitening the plastics of elevated temperature compaction.

    Category
    Applications
    , ,
  • Chemical Name
    4,4'-Bis(2-methoxystyryl)-1,1'-biphenyl; 1,1'-Biphenyl-4,4'-bis[2-(methoxyphenyl)ethenyl]
    CAS NO.
    40470-68-6
    Description

    GC OB-FP127 is specially suitable for brightening serial products of polyvinyl chloride and polystyrene,
    can be used in other hot plasticity plastics and coating, printing ink, synthetic fibers ,etc. for
    brightening and whitening.

    Category
    Applications
    ,
  • Chemical Name
    2,2’-(1,4-naphthalenediyl)bis-benzoxazol
    CAS NO.
    5089-22-5
    Description

    GC OB-KCB is mainly used for whitening the synthetic fibers and plastic, has very obvious effect
    for whitening the colored plastic products. Large amount of it is used for whitening the plastic film
    and press molding materials. Can also be used for whitening the polyester fiber, coating and natural paint.

    Category
    Applications
    ,
  • Chemical Name
    2-[4-[4-(2-Benzoxazolyl)styryl]phenyl]-5-methylbenzoxazole
    CAS NO.
    5242-49-9
    Description

    GC OB-KSN is suitable for such trades as synthetic fibers, plastics, coating, paint, printing
    ink,etc, for brightening and blooming. It does not react with foaming agent and crosslinking agent,
    does not transfer. Suitable for brightening the polyester, polyamide, polypropylene and wool fabric.
    It can be used in any process segments of film injection molding, hot compacting material and high
    polymerized synthetic material.

    Category
    Applications
    , ,