Hakodate Conv. of JPI (51st Petroleum-Petrochemical Symposium of JPI)

Presentation information

Polymer, oligomer

[1F08-12] Polymer, oligomer(3)

Thu. Nov 11, 2021 1:00 PM - 3:00 PM Room-F (Stadio-B/Hakodate Areana)

Chair:Kotohiro Nomura(Tokyo Metropolitan Univ.)

1:00 PM - 1:15 PM

[1F08] Cycloolefin copolymers bearing pendant fluorenyl groups with improved refractive index and low birefringence values

○Haobo Yuan1, Ryo Tanaka1, Yuushou Nakayama1, Takeshi Shiono1 (1. Hiroshima University)

Copolymerizations of norbornene and alkenyl monomers bearing fluorenyl groups were conducted by using (tBuNSiMe2Flu)TiMe2-[Ph3C][B(C6F5)4]/scavenger system. Copolymers with controllable fluorenyl group contents were obtained with high yields. The copolymers were made into transparent films by a solvent casting procedure, and the copolymers films were transparent with high refractive indexes and low birefringence values.

Keywords:cycloolefin copolymers, titanium catalyst, fluorenyl pendant groups