Mitsui Chemicals, Inc.

Jiacheng He

Masahiko Okamoto

Kouichi Kizu

Sunil Krzysztof Moorthi

Haruka Saito

Hideki Wasa

Futoshi Fujimura

Emi Oniki

Described is a cyclic olefin-based copolymer has 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. Also described is a medical container containing a cyclic olefin-based copolymer having 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.

Cyclic olefin-based copolymer, cyclic olefin-based copolymer composition, molded article, and medical container

Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an &#x3b1;-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. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an &#x3b1;-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.

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Chiba, Japan

Jiacheng He