Mechanical activation method for dispersion of titanium dioxide in plastics
We prepared masterbatches of different mechanically activated titanium dioxide powders and then blown them into PE films. The dispersion of the mechanically activated TiO2 in the film was observed using a phase contrast microscope.
Compared with the corresponding untreated titanium dioxide, the particle size of the mechanically activated titanium dioxide increased slightly, which is an inevitable result of the mechanically activated coating treatment of titanium dioxide. However, mechanically activated titania can still be dispersed relatively uniformly in s. At the same time, we can also see that there is no significant difference in the dispersion of titanium dioxide in plastics between the mechanically activated method of treating titanium dioxide using CaCO3 and kaolin as the core material. Because of the core material in the titanium dioxide in the environment, at the same time in the dispersion process, mechanical activation method to deal with pigment only the outer layer of titanium dioxide and resin matrix "contact", so the outer layer of titanium dioxide to determine the mechanical activation method to deal with the dispersion of titanium dioxide, the core material type is basically not much effect on the dispersibility.
Titanium dioxide is a very important raw material in industrial , widely used in coatings, plastics, paper, printing ink, chemical fibres, rubber, cosmetics, ceramics, enamel, electronics, food and medicine industries, of which coatings accounted for the largest proportion, about 60%. And in the coating products in the consumption of titanium dioxide is the most architectural coatings, accounting for 60% of coating use. The lag period of the impact of real estate on the coatings market is about 1 year, as the hot real estate market in 2013 will make the demand for titanium dioxide peak in 2014.
Among coating products, architectural coatings consume the most titanium dioxide, followed by transport such as cars, ships and railway vehicles. It can be seen that the consumption of architectural coatings directly affects the demand for titanium dioxide, and the consumption of architectural coatings is very closely related to the real estate industry. According to relevant statistics, the real estate industry lags behind the architectural coatings market by about 1 year, the development of the real estate industry can be used as a leading indicator of the demand for titanium dioxide. Real estate as China's major economic development weathervane, directly affects the demand for industrial chain related products, in addition to China's commercial housing from contract sales to renovation time interval of about 1 year, so the commercial housing of the period of sales indicators more accurately reflect the real estate industry on the impact of titanium dioxide market demand.
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