| 摘要 |
PURPOSE: To manufacture a lens of excellent transparency, resistances to impact, heat, and the like by casting a liquid composition containing a monomer of radical polymerization properties or oligomer and an active energy radiation- sensitive and heat-sensitive radical polymerization initiator at the specified weight ratio, partially polymerized by the emission of active energy radiation and then heating. CONSTITUTION: A liquid composition containing an active energy radiation- sensitive radical polymerization initiator of 0.005-5 pts.wt. and heat-sensitive radical polymerization initiator of 0.005-5 pts.wt. is cast to at least one kind of a radical polymerization monomer or oligomer of 100 pts.wt. Then the liquid composition is polymerized partially by the emission of active energy radiation, and successively polymerized by heating to cure the liquid composition. A compound having (meth)acryloyl of 60 pts.wt. or more is used as a functional group of radical polymerization properties in the liquid composition. The active energy radiation-sensitive radical polymerization initiator is functioned to active energy radiation such as ultraviolet rays to generate a radical source. |
