Patent ID: 7008569
Filing Date: 2006-03-07
Classification: C08G,C09K,G02B

Abstract:
1. An optical film comprising at least one resin-layer comprising a thermoplastic norbornene resin formed of a polymer comprising: a structural unit represented by a general formula (1) shown below, wherein. n represents either one of 0 and 1, m represents either on of 0, and an integer of at least 1; X represents either one of a group represented by the formula —CH═CH— and a group represented by the formula —CH R wherein within at least a portion of said structural units are incorporated within said polymer, either at least one of said groups R wherein, p represents an integer of 1 to 5, and R wherein, R wherein, R a plurality of X's present in a molecule of said polymer being the same or different.