Influence of energy transfer on luminescence spectra of polystyrene and styrene mixtures

From S—MMA copolymers, polymerized in a number of ways, plates, solutions and films have been prepared. Their luminescence spectra have been measured. It has been found that the variety of spectra obtained is the result of superposition of polystyrene (PS) and monomeric styrene (Sm) spectra. A relation has been found describing the spectral distribution of the PS-Sm system as a function of PS and Sm concentration, efficiency of electron excitation energy transfer from PS to Sm and the wavelength of excitation light.

The results suggest that the luminescent analysis may be utilized to estimate the residual contents of Sm in the polymer.