A ring-opened copolymer composition comprising a ring-opened copolymer containing structural unit derived from a norbornene compound represented by general formula (1) below and structural unit derived from a monocyclic olefin, wherein a content of a norbornene compound represented by general formula (1) is 1 ppm by weight or more and 1000 ppm by weight or less based on the ring-opened copolymer is provided.
wherein R1 to R4 are each a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, or a substituent containing a halogen atom, a silicon atom, an oxygen atom or a nitrogen atom, and R2 and R3 may be bonded to each other to form a ring, and "m" is 0 or 1.
本发明提供了一种开环共聚物组合物,该组合物包含一种开环共聚物,该开环共聚物含有由以下通式(1)表示的
降冰片烯化合物衍生的结构单元和由单环烯烃衍生的结构单元,其中由通式(1)表示的
降冰片烯化合物的含量为 1 ppm(以重量计)或以上,而开环共聚物的含量为 1000 ppm(以重量计)或以下。
其中 R1 至 R4 各为氢原子、具有 1 至 20 个碳原子的烃基或含有卤素原子、
硅原子、氧原子或氮原子的取代基,R2 和 R3 可相互键合形成环,且 "m "为 0 或 1。