膨胀型涂料中配方的互相作用
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下一篇 2016-01-12 09:42:05/ 个人分类:阻燃技术
学术研究:膨胀型涂料中氯化石蜡和三聚氰胺的互相作用
Interactions between chlorinated paraffins
and melamine in intumescent paint—investing a way to suppress chlorinated
paraffins from the formulations
膨胀型涂料中氯化石蜡和三聚氰胺的互相作用-在配方中抑制氯化石蜡的方法
作者:Ducrocq, P., S. Duquesne, S. Magnet, S. Bourbigot, et R. Delobel
发表: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/关键词
Intumescence 膨胀;
Melamine 三聚氰胺;
Polychlorinated alkanes 多氯联苯烷;
Thermal stability 热稳定性;
Fire protection 防火保护
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