Preparation method of highlight mirror surface silver card
A silver card and high-gloss technology, applied in chemical instruments and methods, other household appliances, papermaking, etc., can solve problems such as poor adhesion of aluminum film, poor glue leveling, poor filling of base paper fiber pores, etc., to achieve shortening Effect of standing time, improvement of flatness and leveling, good filling effect
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[0040] Preparation example of titanium dioxide coated kaolin
[0041] The kaolin in the following preparation examples was purchased from China Kaolin Company, with a purity of 99%; BYK-111 dispersant was purchased from Guangzhou Dachuan Fine Chemical Co., Ltd., model BYK-111; titanium sulfate was purchased from Shanghai Runjie Chemical Reagent Co., Ltd., Purity 96%; urea was purchased from Wuxi Yasheng Chemical Co., Ltd., purity 99%; sodium hexametaphosphate was purchased from Shanghai Shanpu Chemical Co., Ltd., purity 98%; dispersant AMS-5040 was purchased from Guangdong Yuemei Chemical Co., Ltd.
preparation example 1
[0042] Preparation example 1: Titanium dioxide-coated kaolin is prepared by the following method:
[0043](1) Weigh 3kg of kaolin, 95kg of water, and 0.6kg of dispersant, and ultrasonically disperse for 3.5min after mixing to obtain a mixed solution; the dispersant is sodium hexametaphosphate;
[0044] (2) Weigh 210kg of water and heat it to 85 degrees Celsius, then add 24kg of titanium sulfate, and mix and stir at a speed of 600r / min to prepare a titanium sulfate solution;
[0045] (3) Heat the mixed solution prepared by (1) to 80 degrees Celsius, then mix it with the titanium sulfate solution prepared by (2) and 3 kg of urea, place it in a constant temperature magnetic stirrer, and mix and stir it for 12 minutes at a speed of 600 r / min, then filter it with suction, Washing, drying, and then roasting at 900 degrees Celsius for 30 minutes to prepare titanium dioxide-coated kaolin.
preparation example 2
[0046] Preparation example 2: Titanium dioxide-coated kaolin is prepared by the following method:
[0047] (1) Weigh 1kg of kaolin, 90kg of water, and 0.2kg of dispersant, and after mixing, ultrasonically disperse for 2 minutes to obtain a mixed solution; the dispersant is BiK-111 dispersant;
[0048] (2) Weigh 180kg of water and heat it to 70 degrees Celsius, then add 8kg of titanium sulfate, and mix and stir at a speed of 550r / min to prepare a titanium sulfate solution;
[0049] (3) Heat the mixed solution prepared by (1) to 60 degrees Celsius, then mix it with the titanium sulfate solution prepared by (2) and 1 kg of urea, place it in a constant temperature magnetic stirrer, and mix and stir it for 8 minutes at a speed of 550 r / min, then filter it with suction, Washing, drying, and then roasting at 800 degrees Celsius for 20 minutes to prepare titanium dioxide-coated kaolin.
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