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Photo cationic initiators (WPI series)

Photo cationic polymerization is a designed to be unaffected by polymerization of oxygen, it is put into practical use for polymerization and curing of epoxy, vinyl ether, etc,.
Wako launched WPI series as onium salt-based photo cationic polymerization initiators, it and immediately relieved positive feedback from the market. The following photo cationic polymerization initiators have better solubility in epoxy compounds than existing diphenyliodonium salts, and therefore is highly applicable in various polymerization systems.

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