OPTICAL PLASTIC MATERIAL AND PROCESS FOR THE PRODUCTION THEREOF

Disclosed herein are plastic optical materials, which have performance characteristics that rays in a specific wavelength region are absorbed with high efficiency, can attain desired optical properties such as good glare-proofness and moreover has low water absorption property, and a production process thereof. The plastic optical materials comprise an acrylic resin, and a phosphate group, an amide group and a metal ion component composed of a rare earth metal ion contained in the acrylic resin. The phosphate group preferably exists in the form chemically bonded to the structure of a polymer constituting the acrylic resin, and the polymer constituting the acrylic resin is preferably a copolymer obtained by copolymerizing a phosphate group-containing monomer represented by the following formula (1) and a monomer copolymerizable therewith: PO(OH)nR3-n wherein R means a polymerizable functional group represented by the following formula (2), and n is 1 or 2: CH2=CXCOO(C2H4O)m- wherein X denotes a hydrogen atom or a methyl group, and m is an integer of 0 to 5.