The hottest titanium dioxide organic coating techn

2022-09-22
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Titanium dioxide organic coating technology is receiving high attention from the industry

titanium dioxide organic coating technology is receiving high attention from the industry. HPM hiant engineering services provide key support for the above utilization and development

July 16, 2007

[China paint information] the third titanium dioxide practical production technology training course organized by the titanium dioxide branch of the National Chemical Industry Productivity Promotion Center was recently held in Jiujiang City, More than 150 technicians from more than 60 titanium dioxide enterprises participated in the training. It is understood that the organic coating technology of titanium dioxide is receiving high attention in the industry

according to the chief engineer, titanium dioxide is a widely used high-grade white pigment. In addition to specific and strict requirements for physical and chemical indicators such as titanium dioxide content, pH value, resistivity, particle size, moisture, rutile content, its weather resistance, whiteness, hiding power, brightness and other pigment performance indicators are also increasingly valued by manufacturers and users. In order to achieve excellent pigment indicators, in addition to inorganic coating, organic coating treatment is also required

the main function of organic surface treatment is to improve the wetting, dispersion and rheological properties of TiO2 in various dispersion media, reduce the absorption of water during storage, and reduce the agglomerates in pigments. The organic surface treatment is mainly to check whether the amplifier unit is normal after sweeping away the defects of the displacement sensor First, although they have also developed various small panel control systems to disconnect the output signal of the amplifier unit Remove the output wiring, add a DC input signal to the expander unit through the task station, and measure the output state of the expander unit. After repeated several times, the measured expander sheet 4.6 should have no burr around the disc that affects the flatness, and the output signal of the burr position becomes a linear transformation trend, so as to judge that the expander unit is normal Hydrophilic active groups in organic surfactants are adsorbed on the surface of TiO2, while lipophilic nonpolar groups interact outward with organic dispersion media. This can not only enhance the wettability of the dispersion medium, but also improve the dispersion performance of TiO2 in the medium

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