To provide an injection molded product which can be widely used for application to optical parts since which is obtained from a resin material for molding containing a specified cyclic olefinic copolymer, which does not cause thermal degradation on the resin material for molding even when molded and processed by an injection molding method, which has excellent optical characteristics, adhesion, durability, etc., that the cyclic olefinic copolymer has originally, and also which has excellent formability and secondary processability, and also which has excellent permeability to short wavelength rays and excellent light resistance.
The injection molded product comprises a material containing the cyclic olefinic copolymer having (A) a specified cyclic olefinic structural unit and (B) a specified acrylic structural unit and also in which specified cyclic olefinic structural unit themselves are not adjacent to each other.
COPYRIGHT: (C)2004,JPO
Kazuhiro Nakamura
Okiwa
Kazuo Kasai
Hiroshi Watanuma
| JP4063810A | ||||
| JP7242711A | ||||
| JP2002519487A | ||||
| JP2000089033A |