(1) Institute of Polymers, Bulgarian Academy of Sciences, BG-1113, Sofia, Bulgaria, BG;(2) Max-Planck-Institut für Polymerforschung, Ackermannweg 10, D-55128 Mainz, Germany Fax: +3592-70-75-23, e-mail: schopov@polymer.bas.bg, DE
Abstract:
Summary : A new methacrylate monomer containing anthracene moiety connected with long flexible spacer was prepared and copolymerized with n-butyl methacrylate. It has been found that upon illumination in inert atmosphere photodimerization of the anthracene rings takes place to a considerable extend. The reverse decomposition of the photodimers by thermal treatment is also facilitated by the long flexible spacer. In ambient air the only photoreaction is endoperoxide formation. Received: 4 December 2000/Revised version: 21 May 2001/Accepted: 21 May 2001