material for the casting of kunststofflinsen and processes for the manufacture of kunststofflinsen

摘要

A cast-molding material for a plastic lens which is almost free from causing defective dyeing when dyed, and a process for producing plastic lenses almost free from causing defective dyeing, the cast-molding material containing, as essential components, a combination of (A) diethylene glycol bisallylcarbonate or a mixture of diethylene glycol bisallylcarbonate and a monomer copolymerizable therewith, with (B) a polyether-modified silicone compound, and the process comprising cast-molding the above cast-molding material in a mold. IMAGE