An optical disk substrate and a light guide plate which are formed from a resin composition comprising 0.1 to 20 parts by weight of compound represented by the following formula (I):
based on 100 parts by weight of polycarbonate resin.
There can be provided an optical disk substrate formed from the resin composition of the present invention, particularly an optical disk substrate which allows the shape of a stamper to be transferred thereon with high precision and hardly undergoes warpage caused by environmental changes as a high density recording medium, and a light guide plate which has little uneven brightness and hardly undergoes warpage.
An optical disk substrate and a light guide plate which are formed from a resin composition comprising 0.1 to 20 parts by weight of compound represented by the following formula (I):
based on 100 parts by weight of polycarbonate resin. There can be provided an optical disk substrate formed from the resin composition of the present invention, particularly an optical disk substrate which allows the shape of a stamper to be transferred thereon with high precision and hardly undergoes warpage caused by environmental changes as a high density recording medium, and a light guide plate which has little uneven brightness and hardly undergoes warpage.
An object of the present invention is to provide an ultraviolet curing liquid composition having high sensitivity, excellent storage stability, low viscosity, and excellent fixability after ultraviolet curing. The ultraviolet curable liquid composition of the present invention is an ultraviolet curable liquid composition containing a cationically polymerizable liquid monomer, a photopolymerization initiator and a photopolymerization sensitizer, wherein the cationically polymerizable liquid monomer is a vinyl ether compound, the photopolymerization initiator includes a compound represented by general formula (1), and the photopolymerization sensitizer includes (A) at least one compound selected from the group consisting of a compound represented by general formula (2) and a compound represented by general formula (3), and (B) at least one compound selected from the group consisting of a compound represented by general formula (4) and a compound represented by general formula (5).