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INVESTIGATION OF CARBON-METAL CONTAINING TUBULES INFLUENCE ON FOAM COKES STRUCTURE

机译:含碳管对泡沫焦炭结构影响的研究

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The paper is dedicated to the research of intumescent composites based on epoxy resin cross-linked by polyethylene polyamine and containing ammonium polyphosphate and such modifying additives as calcium borate, manganese dioxide, nickel and chromium containing tubulenes as gas-formers and carbonization stimulators. The changes in composition and physico-chemical properties of modified compositions under thermal and fire actions have been investigated by X-ray photoelectron spectroscopy, atomic force microscopy and local force spectroscopy. It is found out that ammonium polyphosphate mainly stimulates carbonization processes on the inner surface of a bubble being formed during foam coke formation. It is shown that the introduction of metal containing tubulenes leads to the formation of fire tetardant and low flammable compositions with high coke and carbon structures content, and the use of calcium borate in the compositions sufficiently increases the strength of foam coke being formed.
机译:该论文致力于基于聚乙烯多胺交联的环氧树脂的膨胀型复合材料的研究,该复合材料包含聚磷酸铵和诸如硼酸钙,二氧化锰,镍和铬等改性添加剂,其中的微管作为气体形成剂和碳化刺激剂。通过X射线光电子能谱,原子力显微镜和局部力谱研究了改性组合物在热和火作用下的组成和理化性质的变化。已经发现,聚磷酸铵主要刺激在泡沫焦炭形成期间形成的气泡的内表面上的碳化过程。已表明,引入含金属的微管会导致形成阻燃剂和具有高焦炭和碳结构含量的低易燃组合物,并且在组合物中使用硼酸钙充分增加了所形成的泡沫焦炭的强度。

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