Application of novel synthesized nanocomposites containing κ-carrageenan/PVA/eggshell in cement mortars

IF 1.1 4区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

Materiales de Construccion Pub Date : 2020-11-04 DOI:10.3989/mc.2020.06720

I. Sanrı-Karapınar, A. Pehlivan, S. Karakuş, A. E. Özsoy-Özbay, A. Yazgan, N. Taşaltın, A. Kilislioğlu

引用次数: 8

Abstract

This study is a preliminary attempt to present the preparation and the first time a κ-carrageenan/PVA/eggshell nanostructure is used as a novel biodegradable and homogeneous nanostructure in cement composition. In order to clearly understand the effects these additives have on the mechanical properties of cementitious composites, they were synthesized in double and triple combinations and added into mortar mixtures. Three different cement mortar specimens were prepared by integrating the additives in ratios of 0, 0.1, 0.5 and 1% by cement weight and flexural and compressive strengths of the specimens were determined at the ages of 7 and 28 days. The flowability of the presented nanostructures was also discussed. The results revealed a 10–11% increase in both compressive and flexural strengths for the specimens prepared with the triple combination of the proposed additives. Moreover, strain capacity was enhanced as a result of the efficient dispersion of additives in the cement matrix.

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新型合成κ-卡拉胶/聚乙烯醇/蛋壳纳米复合材料在水泥砂浆中的应用

本研究是首次将κ-卡拉胶/PVA/蛋壳纳米结构作为一种新型的可生物降解、均匀的纳米结构应用于水泥组合物中。为了清楚地了解这些添加剂对水泥基复合材料力学性能的影响，将它们以双重和三重组合的形式合成，并添加到砂浆混合物中。通过将添加剂按水泥重量的0%、0.1%、0.5%和1%的比例混合制备三种不同的水泥砂浆试样，并测定试样在7天和28天龄期的抗弯强度和抗压强度。还讨论了所提出的纳米结构的流动性。结果显示，使用拟议添加剂的三重组合制备的试样的抗压强度和弯曲强度都提高了10-11%。此外，由于添加剂在水泥基体中的有效分散，应变能力得到了增强。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materiales de Construccion 工程技术-材料科学：综合

CiteScore

3.20

自引率

9.50%

发文量

审稿时长

>12 weeks

期刊介绍： Materiales de Construcción is a quarterly, scientific Journal published in English, intended for researchers, plant technicians and other professionals engaged in the area of Construction, Materials Science and Technology. Scientific articles focus mainly on: - Physics and chemistry of the formation of cement and other binders. - Cement and concrete. Components (aggregate, admixtures, additions and similar). Behaviour and properties. - Durability and corrosion of other construction materials. - Restoration and conservation of the materials in heritage monuments. - Weathering and the deterioration of construction materials. - Use of industrial waste and by-products in construction. - Manufacture and properties of other construction materials, such as: gypsum/plaster, lime%2