POLYMERIZATION METHOD OF PHOTORADICAL POLYMERIZABLE COMPOSITION CONTAINING ANTHRACENE-BASED AND/OR THIOXANTHONE-BASED PHOTORADICAL POLYMERIZATION SENSITIZER

摘要

PROBLEM TO BE SOLVED: To provide a radical polymerization method for alleviating yellow discoloration phenomenon of a photoradical polymer of a photoradical polymerizable composition without using a specific photoinitiator such as an acylphosphine oxide-based initiator.;SOLUTION: There is provided a polymerization method of a photoradical polymerizable composition, having a polymerization process for irradiating, with a light having a peak wavelength in a specific wavelength range, a photoradical polymerizable composition containing an onium salt-based photoradical polymerization initiator, a radical polymerizable compound and at least one kind of photoradical polymerization sensitizer selected from compounds represented by the formula (1) and the formula (2), and an exposure process for exposing the polymerized polymer to a light under a visible light lamp.;SELECTED DRAWING: None;COPYRIGHT: (C)2019,JPO&INPIT