Masterbatch Quality Requirements for TiO2
According to incomplete statistics, titanium dioxide used for masterbatch production is 2~30,000 tons per year, and the rutile used is divided into three grades: high, medium and low, high-grade imported rutile, mid-range domestic rutile, and low-grade domestic anatase titanium dioxide.
Masterbatches can be used to match polyvinyl chloride, polyethylene, polypropylene, polystyrene and ABS plastics. Its main components are pigments, resins, dispersants, volumetric pigments, fluorescent brighteners, antioxidants, anti-ultraviolet agents, antistatic agents, toughening agents, brighteners, etc., titanium dioxide is used as a white pigment in it, which has the advantages of non-toxic, stable chemical properties, high hiding power and good dispersibility.
Quality Requirements:
Masterbatch is used as an industrial raw material, and the performance is usually manifested in subsequent product applications (such as blown film or injection molding), therefore, the performance of titanium dioxide in masterbatch is also mainly reflected in the application process of masterbatch. It is mainly reflected in the following aspects:
1) Tinting strength: determine the amount of titanium dioxide used in the color of the same plastic products;
2) Whiteness: determine the appearance of light-colored (white) plastic products with the same titanium dioxide content;
3) Dispersion: it affects the production cost of color mesh grains and the appearance, gloss and other indicators of plastic products;
4) Processing performance: affect the production cost of masterbatch.
