PHOTOINITIATOR TPO CAS NO.75980-60-8 For Sale
Post Time: 2019-12-09PHOTOINITIATOR TPO CAS NO.75980-60-8 For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale PHOTOINITIATOR TPO CAS NO.75980-60-8, Made in China, High Quality Products!, China HRcure-TPO,Photocure TPO,Photoinitiator TPO,SPEEDCURE TPO Supplier, Manufacturer.
Chemical name: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
CAS No.:75980-60-8
Molecular formula:C22H21O2P
Molecular weight:348.37
Molecular structure
Specification
Appearance: Pale yellow crystal powder
Purity, %: ≥99.0 (HPLC)
Melting point,℃:91.0-94.0
Volatility, %: ≤0.2
Acid value (mgKOH/g): ≤0.5
Application
TPO is an efficient free radical photoinitiator with absorption in a long wavelength range. Its effective absorption peak is 350-400nm and it always absorbs about 420nm. Its absorption peak is longer than that of the conventional initiator. After irradiation, two free radicals, benzoyl and phosphatidyl, can be formed, which can initiate polymerization. It is a photoinitiator for curing styrene-based unsaturated polyesters and acrylic resins. Its absorption in the long-wave region of the UV spectrum can fully cure even white paints and surfaces pigmented with TiO2. Such coatings are characterized by particularly low yellowing. TPO can also be used to cure clear coatings and is particularly suitable when low-odor products are desired. Recommended applications: screen inks white coatings, flexo inks wood coatings, overprint varnishes printing plates etc.The thermal stability of TPO is excellent. It is heated to 180℃ without chemical reaction and has good storage stability. info at hhochem. com
Tags: HRcure-TPO,Photocure TPO,Photoinitiator TPO,SPEEDCURE TPO
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