Photoinitiator TPO\2,4,6-Trimethylbenzoyldiphenylphosphine Oxide\CAS NO.:75980-60-8

Photoinitiator TPO\2,4,6-Trimethylbenzoyldiphenylphosphine Oxide\CAS NO.:75980-60-8

Application of Photoinitiator TPO\2,4,6-Trimethylbenzoyldiphenylphosphine oxide\CAS NO.:75980-60-8: 1.TPO is mainly used for screen printing ink, lithographic printing ink, flexo printing ink, wood coatings. 2.TPO is used in UV curing type paint and ink. 3.TPO is the best extraction solvent for...

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Application of Photoinitiator TPO\2,4,6-Trimethylbenzoyldiphenylphosphine oxide\CAS NO.:75980-60-8:

1.TPO is mainly used for screen printing ink, lithographic printing ink, flexo printing ink, wood coatings.

2.TPO is used in UV curing type paint and ink.

3.TPO is the best extraction solvent for petroleum aromatics.The mixed solution of n-formyl morpholine and morpholine (1:1) is the extraction solvent of the acetone device.It is also used in fine chemical industry as a formylation reagent.

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Properties of Photoinitiator TPO\2,4,6-Trimethylbenzoyldiphenylphosphine oxide\CAS NO.:75980-60-8:

 

The white crystal, a highly efficient free radical (1) type light, has a high-efficiency photoinitiator that absorbs over a long wavelength range, and it completely cures on a pigmented surface of white or high titanium dioxide. Due to its broad absorption range, its effective absorption peak is 350-400 nm, and its absorption is always around 420 nm. Its absorption peak is longer than conventional initiators, and it can generate two free radicals of benzoyl and phosphoryl after irradiation. Can initiate polymerization, so the photocuring speed, it also has a photobleaching effect, suitable for thick film deep curing and the coating does not yellow characteristics, with low volatility, suitable for water-based.

 

AppearanceSlight Yellow powder
Abosorption wavelength273, 370nm
Melting point91-94°C
Purity≥99%

 

 

Photoinitiator TPO\2,4,6-Trimethylbenzoyldiphenylphosphine oxide\CAS NO.:75980-60-8

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01

 

ItemTPO8191173819500DETX
Appearanceyellow crystal

white crystalline 

powder

White Crystallized 

Powder 

Or Grain

white to 

yellowish powder

 Pale yellow

 liquid

Light Yellow 

Crystallized 

Powder

Purity,%≥99≥99≥95.0≥98.0≥99.0≥99.0
Melting point, °C91-9546-49170-180127-135/71-74
Other spec.Loss on Drying,%:
≤0.2
Volatile:
≤0.2%
Volatile (wt%):
≤ 1.0
/Boiling point:
> 300°C
Volatile (wt%):
≤ 0.2
Ash,%:
≤0.1

Light transmittance%(10g/100ml Toluene) 

425nm:
≥98

Acidity (mg KOH/g):
≤ 1.0
/Flash point:
> 160°C
Color:
≤240

Acid Value, 

mg KOH/g:
≤0.5

Light transmittance%(10g/100ml Toluene) 

500nm:
≥99

Alkyl 

Hydroxybenzene

(wt%):
≤ 1.0

/Specific Gravity:
1.11 (20°C)
/

 

4. Packing

Packed in 25 or 20 kgs/bag/carton

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Photoinitiator TPO\2,4,6-Trimethylbenzoyldiphenylphosphine oxide\CAS NO.:75980-60-8

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