聚酰胺的主要产物及其热降解动力学。
Main products and kinetics of the thermal degradation of polyamides.
作者信息
Herrera M, Matuschek G, Kettrup A
机构信息
GSF-Forschungszentrun für Umwelt und Gesundheit, Institut für Okologische Chemie, Neuherberg, Germany.
出版信息
Chemosphere. 2001 Feb-Mar;42(5-7):601-7. doi: 10.1016/s0045-6535(00)00233-2.
The thermal degradation of the polyamides (PA) 6, 12, 66 and 612 was investigated by means of thermal analysis/mass spectrometry (TA-MS) and pyrolysis in a german standard oven. Sample masses were about 20 and 40 mg. The heating rates used in the dynamic studies were 1, 5 and 10 K min(-1). Both air and nitrogen atmospheres were utilized. The kinetic parameters were calculated from the TA-MS measurements and the main decomposition products were registered online. The evolved products from the pyrolysis oven were captured and analyzed off-line by GC/MS.
通过热分析/质谱联用（TA-MS）以及在德国标准烘箱中进行热解，对聚酰胺（PA）6、12、66和612的热降解进行了研究。样品质量约为20毫克和40毫克。动态研究中使用的升温速率为1、5和10 K min⁻¹。使用了空气和氮气两种气氛。根据TA-MS测量结果计算动力学参数，并在线记录主要分解产物。热解烘箱中逸出的产物被捕获，并通过气相色谱/质谱联用（GC/MS）进行离线分析。
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