Abstract
AbstractOptical‐absorption, fluorescence, and Raman spectra for solutions, suspensions, and precipitates of poly(1,6‐di‐p‐toluene sulfonoxy‐2,4‐hexadiyne) in and from nitrobenzene, acetone, and chloroform are presented. These are interpreted in terms of the occurrence of two forms of the polymer chain; a quasicrystalline form with properties close to those of single crystal polymer and a chain‐extended form occurring in solution and colloidal particles, with an absorption energy of about 2.5 eV (20,000 cm−1). No evidence is found for the presence of very short polymer chains in partially polymerized monomer at low conversion. The relationship of these results to those for deformed single crystals is briefly discussed.
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