Patent ID: 6534579
Filing Date: 2003-03-18
Classification: C08K,C08L

Abstract:
A cyclic olefin-based resin composition comprising:a cyclic olefin-based resin having crystallinity of 0% to 20% which shows haze of not more than 10% and total light transmittance of not less than 80%, when measured in accordance with ASTM D1003 using an article 3 mm thick molded therefrom as the test specimen, and shows water absorption of not more than 0.1% after 100-hour immersion in water at 23Â° C., and a sorbitol-based derivative which is represented by any of the following general formulas I-a to I-e: â€ƒwherein R and Râ€², each of which may be the same or different, are any of an alkyl group having 1 to 8 carbon atoms, a halogen atom and an alkoxy group having 1 to 4 carbon atoms, and m and n are, each independently of each other, any of integers from 0 to 3; â€ƒwherein R1 and R8 are either an aliphatic acyl group having 10 to 30 carbon atoms or a hydrogen atom.