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  • 二氧化钛在陶瓷中起到哪些作用?
  • 本站编辑:雄达塑料发布日期:2018-07-11 00:00 浏览次数:
二氧化钛1
 
二氧化钛存在着三种晶型,即板钛矿、锐钛矿及金红石晶型。虽然在陶瓷生产知识中,我们认为它是着色元素,实际上,在自然界中,二氧化钛是自然产出算是比较白的矿物。钛白粉的名字就表明其特色就是白。而之所以二氧化钛在陶瓷生产中被认为是着色元素,对生产不利,主要是因为二氧化钛在800℃之后,发生晶型转变,变成了带颜色的晶型,从而着色。而在我们陶瓷生产中,往往温度高达1000多℃,因此,在很多行业里表现优异的二氧化钛在陶瓷行业成了不利的因素。
There are three crystal types of titania, namely, perovskite, anatase and rutile. Although in ceramic production knowledge, we think it is a coloring element, in fact, in nature, titanium dioxide is natural output is a relatively white mineral. The name of titanium dioxide indicates that it is white. The reason why titanium dioxide is considered as a coloring element in the production of ceramics is unfavorable to production, mainly because of the crystalline transion of titanium dioxide at 800 degrees C, which turns into a color crystal, thus coloring. In our ceramic production, the temperature is often as high as more than 1000 degrees C, so the titanium dioxide in many industries has become an unfavorable factor in the ceramic industry.
在近几年的陶瓷生产过程中,在比较开始的时候,陶瓷原料对于铁钛元素基本上是采取严防的策略,以防止着色。但慢慢开始出现一些转变,个别陶瓷公司对一些产品生产所需原料开始放宽铁钛的进厂标准。如长石中的铁含量从0.15%放大到0.2~0.4%,而钛的含量也从0.1%以内放大到0.2~0.3%以内。主要是考虑到铁钛可以发生反应,产生的颜色化合物对于一些产品恰好相符。
In recent years, in the ceramic production process, at the very beginning, ceramic raw materials were basically taken precautions against iron and titanium elements to prevent coloring. However, some changes began to take place. Some ceramic companies began to relax the entry standards of titanium and titanium for the production of some products. For example, the iron content in feldspar is increased from 0.15% to 0.2~0.4%, and the content of titanium is enlarged from 0.1% to less than 0.2~0.3%. It is mainly considered that iron and titanium can react, and the color compounds produced are exactly the same for some products.
除此以外,在陶瓷行业,二氧化钛应该具有更大的应用空间,让人们主动去用钛而不是防钛。这个就是二氧化钛产品所对应的自洁净产品。顾名思义,通过合理的工艺,在陶瓷产品表面制备上一层二氧化钛薄膜,可以让陶瓷产品产生自洁净效应,非常适合外墙和卫生间陶瓷产品。
In addition, in the ceramic industry, titanium dioxide should have greater application space, enabling people to take the initiative to use titanium instead of titanium. This is the self cleaning product corresponding to titanium dioxide products. As the name suggests, a layer of titanium dioxide film is prepared on the surface of the ceramic product by reasonable technology. It can make the ceramic product self clean and suitable for the ceramic products of the exterior wall and toilet.
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