| 摘要 |
<p>Object of the invention is to provide plastic lenses for spectacles, which absorb UV rays of up to around 400 nm and are not too much yellowish. Provided is a method for producing plastic lenses of good UV absorbability for spectacles, which comprises adding 2-(2-hydroxy-4-octyloxyphenyl)-benzotriazole to a diethylene glycol bisallylcarbonate monomer, a (thio)urethane monomer or an episulfide monomer, mixing them, and polymerizing the monomer.</p> |
