复合包装中VOCs的迁移模型  

Migration Model of VOCs in Composite Package Materials

作　　者：李俊锋[1] 唐正宁[1] 陈剑锋[1] 

机构地区：[1]江南大学物联网工程学院,无锡214122

出　　处：《中国印刷与包装研究》2012年第2期62-66,共5页China Printing Materials Market

摘　　要：本文将复合包装材料的结构分为材料层、边界层、聚集层和材料分界层,分别讨论了VOCs在每层中的迁移过程,并依据VOCs在层到层间的迁移应遵循质量守恒的原理,获得了VOCs迁移的综合模型。进一步通过实验和模型拟合得到了VOCs的迁移规律,并发现VOCs的迁移量随着放置时间的增加而减少,并逐渐趋于平衡;VOCs的迁移率与温度有关,温度越高,VOCs的迁移率就越高。Migration process of VOCs in composite package materials was discussed in four conditions, i.e. material layer, boundary layer, collecting layer, materials interface layer. According to mass conservation, an integrated VOCs migration model was obtained based on the migration process. At the same time, the relationships among migration and time, tempera- ture were observed through experiment and curve fit. The regulation that migration concentration is decreasing with the in- creasing time, increasing with the temperature and gradually becomes flat was found.

关 键 词：挥发性有机物 包装材料 迁移 模型 干性材料 湿性材料 

分 类 号：TQ018[化学工程]