mgo基水泥作为无机粘结剂用于大麻胶复合材料

N. Stevulova, I. Schwarzová, A. Eštoková, M. Holub
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引用次数: 4

摘要

这项工作的目的是研究mgo基水泥作为无机粘结剂的适用性,而不是传统的波特兰水泥与有机填充材料(如大麻草)的复合材料。与生产过程中需要高温(约1450°C)的硅酸盐水泥相比,MgO基水泥需要更少的能源(从碳酸镁中获得MgO的受控煅烧的最高温度为750°C),从环境的角度来看,它是一种更高效的水泥。本文的第一部分总结了硬化麻秆复合材料的物理力学性能,如密度、导热系数、吸水率和抗压强度,使这种材料有用和有趣的主要是它的隔热性能,可以通过麻秆处理工艺来改善。本工作的第二部分致力于在28天的硬化阶段对mgo -水泥基质进行表征。mgo基水泥作为一种替代粘合剂似乎适合于制备基于大麻鞭的生物复合材料。DOI: http://dx.doi.org/10.5755/j01.ct.67.1.15000
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MgO-based cement as an inorganic binder for hemp hurds composites
The aim of this work is to study the suitability of the MgO-based cement as an inorganic binder instead of the traditional Portland cement into composites with an organic filler material such as hemp hurds. MgO-based cements, in contrast to Portland cement which requires high temperatures (about 1450 °C) during its production, demand less energy (the maximum temperature for the controlled calcination to obtain MgO from magnesium carbonate is 750 °C), becoming a more efficient cement from the environmental point of view. The first part of this paper summarises the results of physico-mechanical properties such as density, thermal conductivity, water absorbability and compressive strength of hardened hemp hurds composites that make this material useful and interesting mainly for its thermal insulating properties which can be improved by hemp hurds treatment processes. The second part of this work is devoted to the characterization of the MgO–cement matrix in the 28-day hardening stage. The MgO-based cement as an alternative binder appears to be suitable for the preparation of biocomposites based on hemp hurds. DOI: http://dx.doi.org/10.5755/j01.ct.67.1.15000
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