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KMID : 1059519970410100524
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Journal of the Korean Chemical Society
1997 Volume.41 No. 10 p.524 ~ p.534
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Direct Analysis of Organic Additives in Cured Rubber by Pyrolysis-Gas Chromatography/Mass Spectrometry
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Kim Seung-Wook
Heo Gwi-Suk
Lee Gae-Ho
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Abstract
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Analysis of additives in cured rubber is often a difficult task for analytical chemists because of a wide variety of complex components. Conventional analyses of additives and rubbers have been done in multistep, off-line processes with large sample size and extensive sample preparations. The coumarone-indene resin, resorcinol-formaldehyde resin, and prevulcanization inhibitor have been characterized by their pyrolysis pathways and mass spectra of characteristic pyrolyzates. Pyrolysis Gas Chromatography/Mass Spectrometry (Py-GC/MS) was used in the identification of additives without any sample pretreatment. This result shows that several organic additives in cured rubber can be directly analyzed.
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