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发明公开
CN110697744A 一种Ba2+干预利用AFt制备AFm-OH的方法 有权

一种Ba2+干预利用AFt制备AFm-OH的方法
摘要：
本发明涉及一种Ba2+干预利用AFt制备AFm-OH的方法，所述方法原材料各组分质量百分比为：AFt 20％～30％，氢氧化钡5％～10％，AFt促溶剂1％～2％，AFm成核剂1％～2％，余量为水，本发明提供一种Ba2+干预利用AFt制备AFm-OH的方法，首先，本方法所选用的原材料为易合成的AFt，减少了难烧结的铝酸三钙的合成；其次，通过Ba2+干预AFt中的硫酸根实现AFm的制备，操作简单，制备周期短；最后，制备的AFm样品纯度高，能保证AFt的转化率达到90％以上。
摘要（英）：

The invention relates to a method for preparing AFm-OH from AFt with intervention of Ba<2+>. Raw materials for the method comprise, by mass, 20-30% of AFt, 5-10% of barium hydroxide, 1-2% of an AFt solvent promoter, 1-2% of an AFt nucleating agent and the balance of water. The invention provides the method for preparing AFm-OH from AFt with intervention of Ba<2+>. Firstly, the raw material selected in the method is AFt which is easy to synthesize, so that synthesis of risalcium aluminate which is hard to sinter is reduced; secondly, with intervention of Ba<2+> upon the sulfate radical in Aft,preparation of AFm can be achieved, the operation is simple, and the preparation cycle is short; and finally, the prepared AFm sample has high purity, and the conversion rate of Aft can be up to 90% or greater.

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