... 4-3-16 Jonan, Yonezawa, Yamagata 992-8510 2Department of Organic and Polymer Materials Chemistry, Tokyo University ... Đ 2011 The Chemical Society of Japan Chem ... Poly- mers, ed. by GC Eastmond, A. Ledwith, S. Russo, P. Sigwalt, Pergamon Press, Oxford, UK, 1989, Vol. ...