Abstract
Oxidation of particles of Stapa 1515 n. 1 aluminum paste and of composites of these particles with Silres MSE 100 and Silres REN 50 silicone resins and with microtalc was studied by differential thermal and X-ray diffraction analysis and by electron microscopy. Oxidation of aluminum particles starts at 500°C, whereas in the presence of resins their oxidation starts at considerably higher temperatures: at 560°C in the presence of Silres MSE 100 resin and at 800°C in the presence of Silres REN 50 resin. Additional introduction of microtalc leads to further inhibition of the aluminum oxidation, which starts at 580°C in the presence of Silres MSE 100 resin and at 815°C in the presence of Silres REN 50 resin. The formula of paint based on these materials for preparing heat-resistant coatings on metals was suggested.
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