废旧阻燃电脑外壳的热解动力学
Journal Title: Science Paper Online - Year 2010, Vol 5, Issue 3
Abstract
通过对含有四溴双酚A阻燃剂(tetrabromobisphenol A, TBBPA)的废旧电脑外壳（红外分析鉴定为丙烯腈-丁二烯-苯乙烯树脂，acryolonitrilr butadiene styrene, ABS）进行热裂解试验和动力学研究，得到不同升温条件下（5 K•min-1, 10 K•min-1, 20 K•min-1和40 K•min-1）阻燃剂分解和塑料裂解的特征温度，以及TBBPA的阻燃机理。根据Arrhenius定律和Friedman方法分析研究对象的热解动力学，所得相关系数均在0.98以上，TBBPA分解和塑料裂解的活化能分别为96.3 kJ•mol-1和93.5 kJ•mol-1。该研究的结果为废旧阻燃ABS塑料的资源化、无害化利用提供可靠的理论参考。
Authors and Affiliations
Yuan Chen, Lieqiang Chen
Keywords
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