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学术论文:在膨胀型聚丙烯配方中使用聚酰胺-6作为碳化剂 II – 热降解
Using polyamide 6 as charring agent in intumescent polypropylene formulations II. Thermal degradation
在膨胀型聚丙烯配方中使用聚酰胺-6作为碳化剂 II – 热降解
 
作者:Almeras, X., F. Dabrowski, M. Le Bras, R. Delobel, S. Bourbigot, G. Marosi, et P. Anna
发表:Polymer Degradation and Stability 77, no 2 (2002): 315 323. doi:10.1016/S0141-3910(02)00066-6

Abstract/摘要:
 
The fire performance of intumescent PP/APP/PA6/EVA19 blends were previously put forward in part I of this article. In the present part, the thermal and thermo-oxidative degradations of the formulations are modelled. The comparison between the kinetic data determined in this study and data from previous studies suggests that PP degrades before the reaction between APP and PA6. However it may be supposed that in the conditions of a fire (i.e. at high heating rate) both reactions occur simultaneously. Thus the development of an efficient protective structure is possible which could explain the fire properties of interest observed in the conditions of the cone calorimeter.
 
Keywords/关键词:
 
Intumescence 膨胀;
Compatibiliser 协效;
Degradation 降解;
Kinetics 动力学;
Modelling 模化
 
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