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首页> 外文会议>Proceedings '96 China-Japan symjposium on particuology >PREPARATION OF HYDROPHILIC TALC POWDER BY DRY GRINDING
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PREPARATION OF HYDROPHILIC TALC POWDER BY DRY GRINDING

机译：干磨制备亲水性滑石粉

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摘要

Room temperature grinding of talc with and without additives was conducted in a beads-mill tester and a rotator mixer in order to produce a hydrophilic fine talc powder. The grinding of talc without additives enables us to produce a hydrophilic talc powder. The hydrophilic characteristic is appeared within 6 hours grinding and is accelerated as the grinding progress. This may be due to the structural change caused by the grinding. The grinding of talc with Ca(OH)_2 is also able to produce easily hydrophilic talc powder. Furthermore, hydrophilic talc power is produced by the grinding with Na_2SO_4 or NaPO_3. It is deduced that the hydrophilic property is attributed to the coating of additives on the surface of talc particles.
机译：为了制备亲水性细滑石粉，在珠磨试验机和旋转混合器中对有和没有添加剂的滑石进行室温研磨。不含添加剂的滑石粉的研磨使我们能够生产出亲水性的滑石粉。亲水特性在研磨后的6小时内出现，并随着研磨的进行而加速。这可能是由于磨削引起的结构变化。用Ca（OH）_2研磨滑石粉也能够生产出容易亲水的滑石粉。此外，通过用Na_2SO_4或NaPO_3研磨产生亲水性滑石粉。可以推断，亲水性归因于在滑石颗粒表面上的添加剂涂层。

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