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Organic Chemicals

1. Description

Fluorescent brightener, Optical Brightener, Fluorescent whitening agent

Fluorescent brightener is a kind of special dyes with a complex chemical structure. It absorbs invisible ultraviolet light in the range of wavelength  60nm-380 nm, emits blue light or purple visible light with longer wavelength, even visible light. After superposition with the yellow light emitted by the fabric, they complement each other to form white light, which increases the white light emitted by the fabric, and the naked eye can feel that the fabric becomes bright and white obviously.

 

2. Classification

There are about 15 kinds of basic structure types of fluorescent brighteners, nearly 400 substances. Only about 20 varieties are commonly used

According to the chemical structure, it can be divided into five categories: 1) Stilbene type,

2) Coumarin type, 3) Pyrazoline type, 4). Benzoxynitrogen type, 5) Benzoimide type.

 

3. List of Main Products

 

  No.

 

Product Code

Usage

Coating & Ink

Plastics

Textile

Detergent

Paper

1

OB

+

+

 

 

 

2

OB-1

 

+

 

 

 

3

FP-127

 

+

 

 

 

4

APC

+

 

 

 

+

5

BA

+

 

+

+

+

6

BA-L

+

 

+

+

+

7

BBU

+

 

+

+

+

8

DBH

 

+

 

 

 

9

KCB

 

+

 

 

 

10

KSN

 

+

 

 

 

11

CBS-X

 

 

+

+

+

12

CBS-XL

 

 

 

 

+

13

ER-I

 

 

+

 

 

14

ER-II

 

 

+

 

 

15

ER-III

 

 

+

 

 

16

ER-L

 

 

+

 

 

17

CXT

 

 

+

+

 

18

DMS

 

 

+

+

 

19

EBF

 

 

+

 

 

20

EBF-L

 

 

+

 

 

21

MST

 

 

+

 

+

22

PF

 

 

+

 

 

23

PF-3

 

 

+

 

 

24

SWN

 

 

+

 

 

25

VBL

 

 

+

 

 

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