A
A
D
- A
  - A
  - A
  - A
  - A
- I
D
F
À
- P
- C
- E
- V
N

Optical Brighteners For Plastic, Resin

C
A

A

P8, A, E,5<

P

cof — A
L

荧光增白剂OB新 — A

荧光增白剂351新 — A

荧光增白剂4bk新 — A

荧光增白剂4bk新 — A

cof — A

荧光增白剂ER-2新 — A

Intermediate

P

O
P
O
O
O
A
A
P
1
2
A
A

B
V
C

T

<
L

.
É

<
C

<
<

<
R

<

A

R2
<
A2
L
D2
L
S2
C
D2
N
P2
L

r

E
F
A
a
H
1
9
C
L
C
A

3
T
s

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