Optical Brightener Ern (C. I. 135) PF

[Ingredients]  1.2 di(5-mythyl-benziazolyl)ethylene (C.I.135)

[Synonyms]

1,2-bis(5-methyl-2-benzoxazole)ethylene;2,2'-(1,2-ethenediyl)bis[5-methylbenzoxazole];C.I. 481520;fluorescent brightener 135;2,2'-vinylenebis[5-methylbenzoxazole];Fluorescent Whitener DT;1.2 DI(5-MYTHYL-BENZIAZOLYL)ETHYLENE;Fluorescent brightener 135,2,2'-(1,2-Ethenediyl)bis[5-methylbenzoxazole];Fluorescent Brightener 135;Fluorescent Brightener PF

[Main Information]

CAS No.: 12224-12-3(1041-00-5)

C.I. No.:135

Molecular Formula: C₁₈H₁₄N₂O₂

Molecular Weight:290.32

[Properties]  

[Characteristics]

²  Excellent fastness to sublimation.

²  Good purity white shade.

²  Good whiteness in polyester fiber or fabric.

Suitable in the polyester fiber ,as well the raw material of making paste form brightening agent in textile dyeing..

[Method of use]

²  Padding process

Dosage: PF 3~7g/l for pad dyeing process, procedure: one dip one pad( or two dips two pads, pick-up: 70%)  →drying→ stentering(170~190ºC30~60seconds).

²  Dipping process

PF:0.3~0.7%(o.w.f)

liquor ratio:1:10-30

optimum temperature: 100 or 120ºC

optimum time :30-60min

PH value:5-11(opt acidity)

²  For getting the optimum effect for application,please try on suitable

condition with your equipments and choose the suitable technique.

²  Please try for compatibility,if using with other auxiliaries.

[Transport,storage and packing]

²  25KG plastic drum, and package as customer request

²   The product is non-hazardous, chemical properties stability,be 

  used in any mode of transport.

²   At room temperature, storage for one year.

[Important hint]

The above information and the conclusion obtained is based on our current knowledge and experience, users should be according to the practical application of different conditions and occasions to determine the optimal dosage and process.