C
A
p
- A
  - B
  - B
  - B
  - B
- I
N
p
S
- P
- C
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C

Optical Brighteners For Plastic, Resin

E
B

F

CA, 1, B,A<

P

荧光增白剂OB新 — A
L

荧光增白剂FP-127新 — B

荧光增白剂OB新 — B

荧光增白剂VBL新 — A

ST-2 (2) — A

荧光增白剂4bk新 — A

荧光增白剂ER-2新 — A

Intermediate

L

O
á
B
M
A
B
B
O
A
4
f
4

B
V
R

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E
A

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B

P
5

A
C

C
L

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V

E2
L
s2
H
B2
E
J2
L
B2
E
E2
E

b

B
B
C
á
B
1
A
C
C
B
B

3
T
s

© Fluorescent Whitening Agent Vbl Shandong Subang Brightner KCB Ranipal WG Optical Brightener 52 Optical Brightening Agents >