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Photoinitiator TPO

Inquiry
  Post Date: Aug 26,2017
  Expiry Date: Feb 22,2018
  Detailed Description: Cas No. :75980-60-8 Appearance: light yellow powder
Purity: 99.0%min
Melting Point: 90.0-94.0 ℃
Loss Rate: Volatile Matter: ≤0.5%; Ash Content:≤0.1%；
Dlarity: 10g /100 ml toluene

Character and Application:
TPO appears light yellow powdermelting point is at 90-94℃and it has enough solubility in active diluents. Since it has a wide range of absorptionthe typical absorptions are at 365nm380nm400 nmand the maximum absorption wavelength is about 425nmits absorption range is wider than conventional photoinitiatorsand it can absorb well different wavelength UV-lights. It can generate two free radicals --- benzoyl and phosphorus acyl which both can initiate polymerizationthereforeits photocuring speed is fastand that it has light-decolourizatiois suitable for thick film deep curingmoreoverthe coating doesn’t turn to yellowand it is also fit for water base with the characteristic of low volatilitymild smell and anti-yellowing.
This product usually be used in the white systemcan be used in UV cure coatingsprinting inkUV curing adhesivesoptical fiber coatingslight stabilizerlight polymerization formestereo surface plate resincomposite materials and teeth filling material etc..
The usage of this product should base on the results of practical experiments and the suggested volume of addition is 0.5-5 % (w/w).
In consideration of that TPO also absorbs a little in the visible regionit should be protected from light in the process of storage and transportation.
Advantages:
1. Its photocuring speed is fast
2. Have light-decolourizatio
3. Can be used for thick coating curing.
4. Belongs to low-volatilitymild-smell and environment friendly product
5. Anti-yellowing




  CAS Registry Number:

75980-60-8
  Synonyms: ;2,4,6-Trimethylbenzoyldiphenyl Phosphine Oxide;2,4,6-Trimethylbenzoyldiphenylphosphine oxide;TPO;Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide;Photoinitiator-TPO;(diphenylphosphoryl)(2,4,6-trimethylphenyl)methanone;Diphenyl (2,4,6-trimethylbenzoyl)-phosphine oxide;(2,4,6-trimethyl benzoyl) diphenyl phosphine oxide;Photoinitiator TPO;Trimethyl-Benzoyl-Diphenyl-Phosphine-oxide;
  Molecular Formula: C22H21O2P
  Molecular Weight: 348.3747
  Molecular Structure: 75980-60-8 Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
  Safety Description: S22:;
S24/25:;

  Company: Wuhan Kemi-Works Chemical Co., Ltd     [ China ]          
  Contact: Dr. Allen Zhang
  Tel: 86-27-85736489
  Fax: 86-27-85736485
  Email: sales@kemiworks.com; info@kemiworks.net
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