A preparation method of uniformly coated copper-clad iron composite powder
A technology of copper-clad iron and composite powder, which is used in transportation and packaging, metal processing equipment, coating, etc., can solve the problems of easy segregation in mixing and uneven copper-coated iron powder, and achieve uniform copper-coated iron powder. , strong anti-oxidation ability, good repressive effect
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example 1
[0015] First weigh 5g of iron powder, add it to the sensitizing solution at a solid-to-liquid ratio of 1:5, soak for 15 minutes, then filter with suction to get the filter residue, add the filter residue to the activation solution at a solid-to-liquid ratio of 1:8, stir and mix for 15 minutes, and then filter with suction Get the iron powder after activation, standby; Described sensitizing solution is to be dissolved in 800mL mass fraction 5% hydrochloric acid solution by 5g stannous chloride, mixes; Described activation solution is to be obtained by 6g nickel chloride, 6g Sodium hypophosphite, 130mL of absolute ethanol and 210mL of deionized water were stirred and mixed for 10 minutes to prepare; then 20g of disodium edetate and 1g of cetyltrimethylammonium bromide were added to a 500mL beaker , 0.1g tartaric acid and 200mL distilled water, stir and mix evenly, add 100mL mass fraction 25% copper sulfate solution, stir for 15min, then adjust the pH to 7.5 with mass fraction 28%...
example 2
[0018]First weigh 8g of iron powder, add it to the sensitizing solution at a solid-to-liquid ratio of 1:5, soak for 18 minutes, then filter with suction to obtain a filter residue, add the filter residue to the activation solution at a solid-to-liquid ratio of 1:8, stir and mix for 18 minutes, and then filter with suction Obtain the iron powder after the activation, for subsequent use; Described sensitizing solution is to be dissolved in 900mL mass fraction 8% hydrochloric acid solution by 8g stannous chloride, mixes; Described activation solution is to be obtained by 7g nickel chloride, 7g Sodium hypophosphite, 140mL of absolute ethanol and 220mL of deionized water were stirred and mixed for 13 minutes to prepare; then 23g of disodium edetate and 2g of cetyltrimethylammonium bromide were added to a 500mL beaker , 0.2g tartaric acid and 225mL distilled water, stir and mix evenly, add 110mL mass fraction 25% copper sulfate solution, stir for 18min, then adjust the pH to 8.0 with...
example 3
[0021] First weigh 10g of iron powder, add it to the sensitizing solution at a solid-to-liquid ratio of 1:5, soak for 20 minutes, then filter with suction to obtain a filter residue, add the filter residue to the activation solution at a solid-to-liquid ratio of 1:8, stir and mix for 20 minutes, and then filter with suction Get the iron powder after activation, standby; Described sensitization solution is to be dissolved in 1000mL mass fraction 10% hydrochloric acid solution by 10g stannous chloride, mixes; Described activation solution is to be obtained by 8g nickel chloride, 8g Sodium hypophosphite, 150mL of absolute ethanol and 230mL of deionized water were stirred and mixed for 15 minutes to prepare; then 25g of disodium edetate and 3g of cetyltrimethylammonium bromide were added to a 500mL beaker , 0.3g tartaric acid and 250mL distilled water, stir and mix evenly, add 120mL mass fraction 25% copper sulfate solution, stir for 20min, then adjust the pH to 8.5 with mass fract...
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