Photoinitiator TPO-L

Photoinitiator TPOL is a yellow oily to thick oily liquid at normal temperature and pressure.  

It is slightly soluble in water but easily soluble in organic solvents such as dimethyl sulfoxide.

It has a large conjugated system in its structure, with absorption wavelengths of 299 nm and 366 nm.  

It can be used to initiate ultraviolet light polymerization reactions

and trigger the polymerization of resins during the UV polymerization and curing process.

Photoinitiator TPOL is used in formulation systems with low yellowing and low odor,

and is commonly applied in fields such as screen printing inks, lithographic printing inks,

flexographic printing inks, photoresists, overprint varnishes, and printing plates.

Photoinitiator TPOL is widely used in coating and ink due to its excellent performance in LED curing.

It can achieve more balanced performance when used with photoinitiator 184.

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