Photoinitiator TPO
- CAS No. ：75980-60-8
- Molecular Formula：C22H21O2P
- Purity：
- Molecular Weight：348.4g/mol
Product Details
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Photoinitiator TPO
Chemical Name: 246-trimethylbenzoyldiphenyl phosphine oxide
CAS No. : [75980-60-8]
Formula: C22H21O2P
Formula Weight: 348.37
Chemical Structure:
。。。
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：10 g / 100 ml toluene
。。。
Photoinitiator TPO Introduction
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 rangeis 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 initiatepolymerizationthereforeits photocuringspeed 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 basewith the characteristicof 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 plateresincomposite materials and teeth filling materialetc..
The usage of this product should base on the results of practicalexperimentsand the suggested volume of addition is 0.5-5 % (w/w).
In consideration ofthat TPO also absorbs a little in the visible regionit should be protected from light in the process of storage and transportation.
Advantages:
1. Its photocuringspeed is fast
2. Have light-decolourizatio
3. Can be used for thick coating curing
4. Belongs to low-volatilitymild-smell and environment friendlyproduct
5. Anti-yellowing
Photoinitiator TPO is a light yellow crystal or powder used for curing white and thick coatings containing titanium dioxide (TiO2). As a photoinitiator for styrene-based unsaturated polyester and acrylic resin, its ultraviolet light absorption is in the long wavelength region, which can completely cure the surface of white coatings and TiO2 containing pigments. The form is light yellow crystals or powder. Wuhan Kemi-Works Chemical Co., Ltd. is specialized in the R&D, production and sale of Special fine chemicals organic silicone chemicals, organic fluoro chemicals, Fluorosilicone chemicals, electroplating chemicals, OLED intermediates and chemical indicators. Widely used in pharmaceutical, pesticide, OLED, electronics, electroplating, organic synthesis and other fields. Our business mainly focus on the conventional products, complemented by custom chemical production, we can accept the client's request, providing services such as structural analysis, research synthesis route and standard samples. We have set up R&D center, quality inspection center and manufacturing site in Hubei and Zhejiang. We have professional sales team, focus on quality and service, and we have achieved excellent performance over the years. Our company is committed to the development of international markets , our products are mainly exported to many countries and regions, such as Europe, America, South-east Asia, the Middle East and Africa etc.
References of Photoinitiator TPO 75980-60-8
| References | Abstract |
|---|---|
| Water-Soluble Photoinitiators in Biomedical Applications |
The development of water-soluble initiating systems is likely to take two directions. First, it will be based on the synthesis of completely new Type I or Type II photoinitiators with a wide absorption range reaching the visible range and, additionally, fulfilling a number of other requirements, such as lack of cytotoxicity, biocompatibility, and high initiation efficiency. Such photoinitiators can be applied, among others, in the processes of in situ polymerization, in targeted drug delivery, and in cell encapsulation, which may positively affect the treatment of some diseases, such as type I diabetes by the encapsulation of islets of Langerhans. , Wiktoria Tomal 1 and Joanna Ortyl 1,2 , Polymers 2020, 12(5), 1073; |
| Influence of Photoinitiator Type and Curing Conditions on the Photocuring of Soft Polymer Network |
We report here the kinetic studies of photocurable monomers using two type I photoinitiators. The influence of the photoinitiator chemical structure, its concentration, type of atmosphere, and light intensity were tested. Oxygen inhibition depends on photoinitiator type and light intensity, which are directly related to the number of radicals created in the first seconds of irradiation. , Malwina J. Niedźwiedź,Gokhan Demirci,Nina Kantor-Malujdy andMiroslawa El Fray * , Materials 2023, 16(23), 7348; |
