Abstract
Eight polyolefin samples (ca. 35 mg) were heated at a constant rate from 70 to 330°C in a flow of helium. The products evolved were analyzed by correlation chromatography, which provides adequate detection limits without trapping of the evolved components. The method is useful for studying desorption of additives and other components and the earliest stages of pyrolysis of polymeric materials. The same samples were examined in two laboratories; interlaboratory reproducibility was good despite different construction of the heating chambers and use of different columns.
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