研究學(xué)術(shù)成果
解決方案
學(xué)術(shù)研究：膨脹型涂料中氯化石蠟和三聚氰胺的互相作用
膨脹型涂料中氯化石蠟和三聚氰胺的互相作用
膨脹型涂料中氯化石蠟和三聚氰胺的互相作用-在配方中抑制氯化石蠟的方法
作者：Ducrocq, P., S. Duquesne, S. Magnet, S. Bourbigot, et R. Delobel
發(fā)表：Progress in Organic Coatings 57, no 4 (1 décembre 2006): 430 438. doi:10.1016/j.porgcoat.2006.10.002
Abstract/摘要：
It is known that acid source, carbon source and blowing agent are the main ingredients of an intumescent paint. Melamine and halogenated additives, such as polychlorinated alkanes (PCAs) are used as blowing agents, however, the legislation tends to prohibit the use of halogenated coumpounds for environmental reasons. The aim of our study is to investigate the mode of action of melamine and PCAs in an intumescent formulation. Their interactions are also studied. It is found that the combination of PCAs and melamine leads to more efficient systems. Spectroscopic analyses (FTIR and solid state 13C NMR) led us to conclude that when the intumescent paint was heated melamine condensed to create melem via Diels-Alder-type reaction. Melem could then react with PCAs leading to the stabilisation of the PCA-melamine mixture. The proposed mechanism of action led us to propose a method for the substitution of PCAs.
Keywords/關(guān)鍵詞
Intumescence 膨脹;
Melamine 三聚氰胺;
Polychlorinated alkanes 多氯聯(lián)苯烷;
Thermal stability 熱穩(wěn)定性;
Fire protection 防火保護(hù)
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