Cover: The picture on the cover is a 3D graphic representation of one specific orientation of the prepared azo dye coumarin-containing polymethacrylate. Looking down the centre of the aliphatic methacrylate chain we see the circle of oxygen due to the carbonyl of the methacrylate, and then the circle of the nitrogen due to the azo dye, followed by the circle of the oxygen and the bromine of the coumarin unit. The image shows the folding of the pendant azo dye and the coumarin groups around the methacrylate chain. Next to the 3-D image is the 2-D drawing of the polymer. Further details can be found in the article by

A series of coumarins were reacted with methacrylate or styrene derivatives to form new olefinic coumarin monomers that were polymerized using 2,2′‐azoisobutyronitrile (AIBN). These polymers were highly insoluble in organic solvents and displayed good thermal stability with glass‐transition temperatures between 70 °C and 130 °C. Luminescence studies on some of the coumarin‐containing polymers (CCPs) showed some fluorescence (ΦF around 0.1). Some of the newly‐prepared coumarins and benzocoumarins were reacted with azo dyes to form mixed coumarin‐azo dye complexes. These mixed complexes were further reacted to prepare acrylic monomers and polymerized using AIBN. These polymers were thermally stable and poorly soluble in organic solvents.magnified image