Water-based ceramic material for inner tank of stainless steel thermos cup and preparation method thereof
A ceramic coating, water-based technology, applied in the direction of coating, etc., can solve the problems that the environmental protection and health of the cup cannot be guaranteed, and achieve the effects of avoiding health problems, delaying heat conduction, and increasing adhesion
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[0047] Examples 1 to 3 respectively relate to a water-based ceramic coating for the inner tank of a stainless steel thermos cup, and its composition and dosage by weight are shown in Table 1;
[0048] The preparation process is as follows:
[0049] (1) Grinding color paste: After mixing sol, inorganic pigments, fillers, and deionized water, grind at 1300 rpm to a fineness below 18 μm, control the pH value to >8.2, then add acrylic resin, reduce the speed to 170rmp, and React under alkaline conditions for 45 minutes to obtain the color paste;
[0050] (2) Add acetic acid to the color paste, stir evenly, and control the pH value between 3.9-4.3;
[0051] (3) Continue to add methyltrimethoxysilane, dimethyldiethoxysilane, aminopropyltrimethoxysilane, and hydroxyl silicone oil, react at 180rmp for 6 hours, and let it stand; the water-based ceramic coating is obtained.
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