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Title:
RESIN COMPOSITION AND OPTICAL MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP2008174679
Kind Code:
A
Abstract:

To provide a resin composition which has satisfactorily low birefringent properties and transparency as an optical lens and mechanical properties having no fear of causing a fissure in a sprue, a runner and the like in producing molded articles and an optical molded article prepared by molding the resin composition.

The resin composition comprises a hydrogenated product (A) of an open-ring polymer of a norbornene monomer containing a repeating unit (a) derived from a norbornene monomer having an aromatic ring and a hydrogenated product (B) of an addition copolymer of a norbornene monomer having a repeating unit (b) derived from a norbornene monomer having an aromatic ring and an -olefin, and the optical molded article is prepared by molding the resin composition.


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Inventors:
OZEKI NATSUKI
IKEDA SHINTARO
NISHIJIMA TAKEHIKO
Application Number:
JP2007011449A
Publication Date:
July 31, 2008
Filing Date:
January 22, 2007
Export Citation:
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Assignee:
NIPPON ZEON CO
International Classes:
C08L65/00; C08L23/26; C08L45/00; G02B1/04; G11B7/135