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Electron microscopy Electron microscope technique was used in this work to identify the morphology of the particles of the pigments concerned. Thus, Figures 4-7 showed the particle shapes of the ironaluminium oxide pigments prepared, observed through a TEM at a magnification of 5×104 . As can be seen, from Figures 4-7, the shape of the pigments prepared was platy or flake. This platy shape provided a reinforcing effect reducing the water and gas permeability, therefore, imparting good anticorrosive properties and special appearance to the paint film when used in paint formulations. These particles were so fine that they appeared in aggregates as shown in the threedimensional SEM micrographs. Figures 8-10 were in agreement with Figures 4-7 confirming the platy structure of the pigments prepared. The fineness of the pigments prepared allowed the pigments to impart more homogenous texture to the film with a greater surface area, covering a greater surface area when applied as paint films. ·  111111.png  2222222.png |
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cmds1907
铁杆木虫 (著名写手)
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RXMCDM: 金币+1, 多谢应助！ 2014-09-21 23:28:58
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| 因此，图4-7显示所制备的铁铝氧化物颜料颗粒的形状，通过5×104放大的TEM可观察到。从图4 - 7可以看出，制备的颜料形状为板状或片状。这种板状形状提供了减少水和透气性的增强效果，因此，当用于涂料配方时，使漆膜具有良好的防腐性能和特殊外观。这些颗粒是如此细小以致它们如在三维扫描电镜显微图所示出现了聚集。图8 – 10与图4 – 7一致，确认制备颜料的板状结构。所制备颜料的细度允许颜料有更多的同质纹理，使膜具有更大的表面积；当用做漆膜时覆盖面积更大。 |
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cmds1907
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4楼2014-09-22 06:16:00
