[2B11-13] Polymer, oligomer 3

[2B11] Synthesis and properties of star polymers with norbornene-alpha-olefin gradient copolymer arms using ansa-fluorenylamidodimethyltitanium-[Ph₃C][B(C₆F₅)₄] catalyst system

○Haobo Yuan¹, Ryo Tanaka¹, Yuushou Nakayama¹, Takeshi Shiono¹ (1. Graduate School of Advanced Science and Engineering, Hiroshima University)

We attempted to synthesize star polymers with poly(norbornene-co-octene) gradient arms in one pot by using ansa-fluorenylamidodimethyltitanium-[Ph₃C][B(C₆F₅)₄]. The formation of the star polymers cores was investigated by adding a series of dinenes after the living copolymerization.