Organic Modification of Titanium Dioxide and Its Influence on the Properties of Engineering Plastics

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What is Titanium Dioxide exactly?

Titanium dioxide is an important organic chemical pigment. Its main component is titanium dioxide. Two process methods are used to make titanium dioxide. One is the sulfuric acid process and one is the chlorination process. It’s used extensively in coatings.

The performance of engineering plastics depends on many factors.

The defects in titanium dioxide, as well as the strong polarity of its surface, make titanium dioxide easy to absorb water. It is also easy to agglomerate and agglomerate during storage, production, and transport. This limits its use in organic polymers. The key to wide-spread titanium dioxide use is effective surface modification to increase its dispersibility and compatibility in organic polymers. It is necessary to perform organic modification in order to improve the dispersion, wetting, and rheological properties for titanium dioxide in different dispersion media.

1. Use of polysiloxane, polysiloxane, or polyol organic modifier to treat titanium dioxide has little effect on the Lab values of the powder. The oil absorption index of this product is also reduced.

2. The titanium dioxide that has been treated with polysiloxane is hydrophobic, which increases its compatibility with plastics resins.

3. Polyols modified titanium dioxide are hydrophilic. They absorb moisture easily, which can affect the plastics’ application performance.

4. In ABS resin systems, titanium dioxide is treated with polysiloxane. This has the most impact on the mechanical characteristics of plastic products. The material’s tensile strength and impact resistance are also the best.

5. To enhance the material’s overall performance, it is recommended to modify titanium dioxide in engineering plastics by using polysiloxane modifiers. Additionally, organic modifiers that contain different groups should be chosen according to the different applications.

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