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

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research 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

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引用次数: 8

摘要

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。

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

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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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.