TY - SER AU - Matsuda, Takahiro AU - Yoshida, Masanori AU - Funae, Yasuaki TI - Optical Material Having High Refractive Index, Low Specific Gravity, and Excelient Impact Resistance Prepared by Unsaturated Nitrile-Polyfunctional Methacrylate-Styrenic Monomer Copolymerization KW - Optical Materials KW - Lens Fiber KW - Methacylic Acid ER -