Springer Online Journal Archives 1860-2000
Chemistry and Pharmacology
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Summary The purity of the styrene monomer is critical since impurities influence the physical properties and appearance of the final polymerized product. It is particularly important to assess the content of the monomer for oxygenated compounds. In this study, two typical monomers were studied. One sample consisted of a one month old monomer that had been exposed to air. The other monomer was a recycle feedstock taken from a continuous polymerization reactor. Analysis was carried out by capillary column gas chromatography/mass spectrometry. In addition to dimers and trimers that have been reported in the literature, the presence of several classes of oxygenated impurities was established for the first time.
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