CPC C08F 232/00 (2013.01) [A61J 1/05 (2013.01); B65D 65/38 (2013.01); B65D 85/70 (2013.01); G02B 1/041 (2013.01); A61J 1/06 (2013.01); A61J 1/10 (2013.01); C08F 210/02 (2013.01); C08F 232/08 (2013.01); C08F 2800/10 (2013.01)] | 22 Claims |
1. A cyclic olefin-based copolymer comprising:
a constitutional unit (A) derived from an α-olefin having 2 to 20 carbon atoms;
a constitutional unit (B) derived from a cyclic olefin without an aromatic ring; and
a constitutional unit (C) derived from a cyclic olefin having an aromatic ring,
wherein in a case where an injection molding sheet having a thickness of 1.0 mm is prepared using the cyclic olefin-based copolymer, an Abbe number (ν) of the injection molding sheet is equal to or greater than 35 and equal to or smaller than 55.
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