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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis of Large Platelets of Egyptian Blue via Pseudomorphosis after NaRUB-18
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Synthesis of Large Platelets of Egyptian Blue via Pseudomorphosis after NaRUB-18

机译:Narub-18后假调子通过假翼综合埃及蓝色血小板

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摘要

A colored platy substrate with appreciable aspect ratio can improve the hiding power while extending the color range of pearlescent pigments. One of the oldest synthetic pigments, Egyptian blue, possesses a layered structure and a platy morphology, making it a promising colored substrate for pearlescent pigments, which derives its blue color from Cu~(II). Unfortunately, existing synthesis routes are either not technically benign or lack the natural platy morphology. Here, we introduce a new synthesis route starting with large, squareshaped platelets of a synthetic layered sodium silicate (NaRUB-18). As evidenced by Rietveld refinement and scanning electron microscopy, NaRUB-18 can be converted with conservation of this attractive morphology (pseudomorphosis) into Egyptian blue.
机译:具有可观纵横比的彩色平板基底可以提高珠光颜料的遮盖力,同时扩大珠光颜料的颜色范围。埃及蓝是最古老的合成颜料之一,它具有层状结构和板状形态,使其成为珠光颜料的有前途的有色基质,珠光颜料的蓝色来源于Cu~(II)。不幸的是,现有的合成路线要么在技术上不是良性的,要么缺乏天然的板状形态。在这里,我们介绍了一种新的合成路线,从合成层状硅酸钠(NaRUB-18)的大方形血小板开始。如Rietveld细化和扫描电子显微镜所示,NaRUB-18可以在保持这种吸引人的形态(假象)的情况下转化为埃及蓝。

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