| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection molding method suitable for an optical lens excellent in transparency.SOLUTION: In molding an alicyclic-structure-containing resin composition comprising an alicyclic-structure-containing resin and a rubber polymer by an injection molding machine by means of a method of molding an optical member, the temperatures of the middle and front parts of a cylinder for supplying a resin into a mold through a nozzle are set, respectively, between the glass transition temperature of the alicyclic-structure-containing resin+70°C and the glass transition temperature of the alicyclic-structure-containing resin+110°C and between the glass transition temperature of the alicyclic-structure-containing resin+130°C and the glass transition temperature of the alicyclic-structure-containing resin+200°C. |
