Intumescent polypropylene/flax blends: a preliminary study

被引:69
作者
Le Bras, M
Duquesne, S
Fois, M
Grisel, M
Poutch, F
机构
[1] Univ Sci & Tech Lille Flandres Artois, ENSCLille, PERF, UPRESEA 1040, F-59652 Villeneuve Dascq, France
[2] Univ Havre, URCOM, EA 3221, F-76610 Le Havre, France
[3] CREPIM, F-62 Bruay la Bussiere, France
关键词
intumescence; fire retardancy; polypropylene; flax fibers; composite;
D O I
10.1016/j.polymdegradstab.2004.04.028
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
This study deals with the effect resulting from the association of pentaerythritol with flax fibres in an intumescent PP/Fibre/ ammonium polyphosphate/pentaerythritol/melamine system. This consists only in a preliminary to prove the efficiency of inturnescent additives systems in polyolefin/flax composites considering the fire behaviour and the thermal stability of the material. The study confirms the Fire Retardance performances of a PP/flax/ammonium polyphosphate composite considering cone calorimeter data. Moreover, it shows that charring of the flax fibers in this composite does not give an interesting material in term of dynamic property. Using an inturnescent model additive, we show that association of charring of the cellulosic material and of the intumescent system allows to obtain an optimized FR formulation. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:80 / 84
页数:5
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