| Customization: | Available |
|---|---|
| CAS No.: | 12224-12-3 |
| Formula: | C18h14n2o2 |
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Name: Fluorescent Brightener PS
Key Words:
Optical Brightening agent PS, Optical Brightener PS,
Optical whitening agent PS, Brightener PS
Appearance: Straw yellow needle-like crystal
Index:
|
Item |
Index |
|
Appearance |
Straw yellow needle-like crystal |
|
Melting point ≥ |
183°C
|
|
Fineness (residuum through screen with 20um aperture) |
5 |
|
Moisture ≤ |
0.5 |
|
C.I. NO. |
135 |
Performance and usage:
It is dissolved in benzene, alcohol, and ether, etc; resists acid and alkali; stable chemical performance; has good whitening effects on PVC, polypropylene, polyethylene, dylene, polyurethane, polyformaldehyde methyl propionate artificial leather, floor leatherette, ABS engineering plastic, polyester film, and organic glass, etc.
Application process:
After dissolved by plasticizer, it can be milled into suspension through three-roller miller, and formed mother liquid; and then add whitening suspension evenly in the processing, it can be plasticized under certain temperature (related with the time); it produces whitening effect under 120-160°C per half hour generally, and 180-190°C per hour. Or mix all the raw materials firstly and then add PS whitener under 160°C for five minutes and roll into piece.
Matching (weight ratio):
Plastic: Whitener PS=10000: (2-5)
Solution: Whitener PS= (2-3): 1
(Dibutyl ester, and xylene, etc can be heated and then dissolved.)
Package, storage, and transport:
Carton pail lined with plastic bag; net weight: 25kg; Keep from sunshine, dampness; two years valid period.
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