Properties:
The
product is bright yellow-green powder, non-toxic and odorless, insoluble in
water, excellent in light resistance and heat resistance, and does not react
with foaming agent, crosslinking agent, etc., without exudation and extraction.
The maximum absorption wavelength of the spectrum is 370nm.
Specification:
|
Item
|
Value
|
|
CAS.NO
|
5089-22-5
, 63310-10-1
|
|
Molecular
formula
|
C24H14N2O2
|
|
Formula
weight
|
362.4
|
|
C.I.NO
|
367
|
|
Appearance
|
Yellow
and green powder
|
|
Purity
|
≥99.0%
|
|
Melting
point
|
210-212℃
|
Application:
Optical Brightener KCB is mainly used for whitening synthetic fiber and plastic products,
and also has obvious brightening effect on colored plastic products. It is
widely used in plastic thin film, compression film molding material, injection
molding material and so on. It has excellent whitening effect on polyolefine,
PVC, foamed PVC,TPR,EVA and PU foam, synthetic rubber and so on. It can also be
used for whitening of coatings, natural paints, etc., and has a special effect
on foamed plastics, especiallyEVA, PE foaming.
