Galvanization passivation sealant and preparation method thereof
A sealing agent and raw material technology, applied in the field of galvanized passivation sealing agent and its preparation, can solve the problems of poor sealing effect and poor wear resistance, and achieve the effects of increasing wear resistance, improving wear resistance and prolonging service life
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example 1
[0025] First, weigh 400g of attapulgite and add it to a pulverizer for crushing, and pass through an 80-mesh sieve to obtain the sieved product. Weigh 60g of the sieved product and 40g of magnesium sulfate and add them to a beaker filled with 200mL of water. Stir and mix for 35min. , then add 30g of sodium hydroxide to the beaker, and move the beaker into a water bath, control the temperature of the water bath to 60°C, and stir the reaction for 60 minutes. After the reaction is completed, filter the material in the beaker to obtain filter residue, which is placed in In the furnace, the temperature was programmed to rise to 500°C at a rate of 5°C / min. After heat preservation and roasting for 1 hour, the temperature was raised to 1100°C and continued to roast for 2 hours. After the roasting was completed, the roasted product was cooled to room temperature with the furnace to obtain modified attapulgite. Then weigh 200g of cellulose and add it to a pulverizer to pulverize it, and ...
example 2
[0028]First, weigh 450g of attapulgite and add it to a pulverizer for crushing, and pass through a 90-mesh sieve to obtain the sieved product. Weigh 70g of the sieved product and 45g of magnesium sulfate and add them to a beaker filled with 250mL of water, and stir and mix for 38 minutes. , then add 35g of sodium hydroxide to the beaker, and move the beaker into a water bath, control the temperature of the water bath to 65°C, stir and react for 75min, after the reaction is completed, filter the material in the beaker to obtain a filter residue, which is placed in a muffle In the furnace, the temperature was programmed to rise to 550°C at a rate of 8°C / min. After 2 hours of heat preservation and roasting, the temperature was raised to 1150°C and continued to roast for 3 hours. After the roasting was completed, the roasted product was cooled to room temperature with the furnace to obtain modified attapulgite. Weigh 250g of cellulose and add it to a pulverizer to pulverize it, and...
example 3
[0031] First, weigh 500g of attapulgite and add it to a pulverizer for crushing, and pass through a 100-mesh sieve to obtain the sieved product. Weigh 80g of the sieved product and 50g of magnesium sulfate and add them to a beaker filled with 300mL of water. Stir and mix for 40min. , then add 40g sodium hydroxide to the beaker, and move the beaker into a water bath, control the temperature of the water bath to 70°C, stir and react for 90min, after the reaction is finished, filter the material in the beaker to obtain a filter residue, which is placed in a muffle In the furnace, the temperature was programmed to rise to 600°C at a rate of 10°C / min. After 2 hours of heat preservation and roasting, the temperature was raised to 1200°C and continued to roast for 3 hours. After the roasting was completed, the roasted product was cooled to room temperature with the furnace to obtain modified attapulgite. Then weigh 300g of cellulose and add it to a pulverizer to pulverize it, and pass...
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