1.Name: Fluorescent Brightener DT
2.Key Words:
Optical Brightening agent DT, Optical Brightener DT,
Optical whitening agent DT, Brightener DT, Uvitex ER,ERN,Whitex ERN
3.Appearance:
Straw yellow dispersion
4.Quality Index:Item | Index |
Appearance | Straw yellow dispersion |
Fluorescence intensity, (standard products), cent | 100 |
Color light | Close to that of standard product |
Fineness of granule (>4um granule number) ≤ | 3 |
5.Performance and characteristics:
This product is nonionic without ionizing group. Acid and alkali resistance PH=2-10; hard water resistance 500ppm; stable to acetic acid; not sensitive to light.
6. Application:
It is mainly used in whitening of terylene, terylene/cotton blending, chinlon, acetate fiber, and cotton/wool blending. It also can be used in desizing, and oxide bleaching with favorable washing and sunshine resistance, especially good fastness to sublimation
7.Application process:
(take high temperature dip-dye as example)
Matching of dying liquid (k/L)
Fluorescence whitener DT: 10-20
Leveling agent 0: 0-1
Disperse dye: 0.06-0.1
Dying temperature 60°C; dip-dye temperature 130°C; dip-dye 30-60min.
8.Package, storage, and transport:
25kg drum. Keep from sunshine, heat; half a year valid period