In the production of transparent masterbatches, Fuhua nano precipitated barium sulfate (BaSO4) could be used and has the applications as following:
Barium sulfate is widely used as a transparency enhancer in transparent masterbatches. When added to the resin matrix, it helps to improve the clarity and transparency of the final product. Barium sulfate particles have a high refractive index, which closely matches that of most polymers. This makes them effective in scattering light and reducing opacity, resulting in enhanced transparency and a clear appearance of the masterbatch.
Transparent masterbatches are often exposed to sunlight or other sources of ultraviolet (UV) radiation. Barium sulfate acts as a UV stabilizer by absorbing and dissipating UV rays, thereby minimizing the degradation and discoloration caused by UV exposure. This helps to maintain the optical properties and color stability of the transparent masterbatch over prolonged outdoor or high UV exposure conditions.
Barium sulfate can act as a nucleating agent in transparent masterbatches. It provides nucleation sites for the polymer crystallization process, facilitating the formation of small, uniform crystal structures. This results in improved dimensional stability, reduced haze, and enhanced mechanical properties of the masterbatch. Additionally, the nucleating effect of barium sulfate can help to shorten processing cycles and enhance the overall productivity during molding or extrusion processes.
Barium sulfate is also used as a density adjuster in transparent masterbatches. By adding specific amounts of barium sulfate, the density of the masterbatch can be precisely controlled and adjusted according to the requirements of the application. This allows for better flexibility in meeting specific density targets while maintaining the desired transparency and performance characteristics.
In summary, nano precipitated barium sulfate plays a significant role in transparent masterbatch production by acting as a transparency enhancer, UV stabilizer, nucleating agent, and density adjuster. These properties contribute to improved clarity, UV resistance, processability, and overall performance of transparent masterbatches in various applications such as films, sheets, packaging materials, and optical components.