| Analysis of Vulcanization Accelerator in Vulcanized Rubber by Thermal Desorption/Pyrolysis-GC/AED and MS |
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*a) Yokogawa Analytical Systems Inc., Japan Marketing Center (Mitaka Takagi Bldg., 1-15-5 Nakacho, Musashino-shi, Tokyo 180-8543, Japan) b) Yokogawa Analytical Systems Inc., Western Sales Dept. (Kinryo Bldg., 3-3-11 Niitaka, Yodogawa-ku, Osaka 532-0033, Japan) c) Yokogawa Analytical Systems Inc., Application Development Dept. (Mitaka Bldg., 2-11-13 Nakacho, Musashino-shi, Tokyo 180-0006, Japan) d) Frontier Laboratories Ltd. (61-2 Otsubo, Otsuki, Koriyama-shi, Fukushima 963-0201, Japan) |
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In this work, a method for analysis of vulcanization accelerator in vulcanized rubber was developed by using a pyrolyzer (Py)-gas chromatograph/atomic emission detector (GC/AED) and gas chromatograph/mass spectrometer (GC/MS). Thermal desorption-GC/AED made it possible to monitor the sulfur compounds and amines decomposed from vulcanization accelerator under vulcanization. Specified peaks of AED chromatograms were identified by the corresponding MS data. Qualitative analysis of these compounds could estimate original chemical structures of the vulcanization accelerators. Temperature programmed Py-AED made it possible to get evolved gas profile of each elements. Temperature programmed Py-MS could get evolved gas profile of each compounds from specific ion chromatograms. | ||
| Key words: Atomic emission detector, GC/MS, Thermal desorption, Pyrolysis, Vulcanization accelerator, Vulcanized rubber, Temperature programmed Py-AED, Temperature programmed Py-MS | ||
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