Methods to Improve Weather Resistance of Rutile Titanium Dioxide
Release time:
2022-06-02
Rutile titanium white powderThe range of applications may not be that extensive, but there are still many uses in the paper and construction industries. Even in the cosmetics industry, the presence of titanium dioxide is essential. However, the rutile titanium white powder developed in the past has always had many problems. There are many issues that are unsatisfactory.
I believe everyone knows what rutile titanium white powder is used for. Titanium dioxide is widely used in industries such as coatings, plastics, inks, and paper. Although rutile titanium white powder is widely applied, there are often reports that its weather resistance is poor. What is the reason? Is there any way to improve it? Rutile titanium white powder manufacturers will tell you how to enhance the weather resistance of titanium white powder.
The particle size is determined by the degree of aggregation of rutile titanium white powder particles. The primary diameter of titanium dioxide particles is usually less than 1 micron. In latex paint, due to the adsorption effect of titanium dioxide itself, the particles will come close to each other. This leads to particle aggregation, significantly increasing the particle size of titanium dioxide. The polarity of titanium dioxide particles treated with polysiloxane can be eliminated, allowing titanium dioxide particles to exist in the form of low-level aggregates, thereby achieving the goal of reducing the particle size of titanium dioxide.
During the R&D process, the attack of free radicals on the resin main chain was reduced. Under strong sunlight, due to the presence of lattice defects in rutile titanium white powder, free radicals are generated automatically, and the generated free radicals will attack the main chain of the resin, leading to the breaking of the resin main chain. This can cause the painted face to discolor and powder. Then it will fall off. To prevent this problem, it is necessary to carry out inorganic film formation and strengthen the inorganic film. Due to the properties of silicon and oxygen, some special silicone resin materials have higher performance than carbon. This makes it difficult for free radicals to break silicon and oxygen when attacking. If applied to titanium dioxide, the free radicals generated by strong light exposure will not escape to attack the resin main chain. This increases the weather resistance of titanium dioxide.
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Key words: tengxian titanium dioxide, titanium dioxide, rutile, titanium dioxide manufacturers, anatase titanium dioxide, titanium dioxide manufacturers, anatase titanium dioxide, rutile titanium white
Contact Information
Address: Teng County, Guangxi Chemical Industry Zone