研究學(xué)術(shù)成果
解決方案
學(xué)術(shù)研究：PET覆面紡織品背面涂層和熔融紡絲防火性能的比較
學(xué)術(shù)研究： 多磷酸銨-氫氧化鋁在阻燃丁二烯-苯乙烯嵌段共聚物中的對(duì)抗性
Ammonium polyphosphate–aluminum trihydroxide antagonism in fire retarded butadiene–styrene block copolymer
多磷酸銨-氫氧化鋁在阻燃丁二烯-苯乙烯嵌段共聚物中的對(duì)抗性
作者：Castrovinci, A., G. Camino, C. Drevelle, S. Duquesne, C. Magniez, et M. Vouters
發(fā)表： European Polymer Journal 41, no 9 (septembre 2005): 2023 2033. doi:10.1016/j.eurpolymj.2005.03.010
Abstract/摘要：
In this paper the effect of aluminum trihydroxide (Al(OH)3—ATH) on the surface protection from fire for a styrene butadiene rubber (SBR) provided by ammonium polyphosphate ([NH4PO3]n—APP) is studied.The combustion behaviour is studied by means of Cone Calorimetric tests: a maximum fire retardant effect is observed with 10–12 wt.% of APP. ATH, less effective as fire retardant, has been added at 60 wt.% to reach comparable results as measured by cone calorimetry for 12 wt.% APP.Replacement of ATH in the best performing SBR + 12 wt.% of APP shows an antagonistic effect with as little as 1 wt.% of ATH.The combustion behaviour is explained with the mechanism of interaction between SBR, APP and ATH, in which formation of aluminum phosphates negatively affects the surface protection provided by the ultraphosphate surface coating formed on heating APP in SBR.
Keywords/關(guān)鍵詞
Styrene butadiene rubber 丁苯橡膠;
Flame retardancy 阻燃性;
Surface protection 表面保護(hù);
In situ ceramization 原位瓷化;
Ammonium polyphosphate 多磷酸銨;
Aluminum trihydroxide 氫氧化鋁
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