Water-soluble non-phosphorus degreasing agent for permanent magnet material
A phosphorus-free degreaser and permanent magnet material technology, applied in the field of water-soluble phosphate-free degreaser and permanent magnet material degreasing, can solve problems such as environmental pollution, achieve large oil pollution load, excellent washing performance, prevent The effect of resorption
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Embodiment 1
[0028] Weigh 5 grams of sodium hydroxide, 15 grams of sodium carbonate, 5 grams of DEA, and 5 grams of Triton, respectively, and dissolve them in 1 liter of water with a pH of 7.5 and a temperature of 80°C. Divide the sintered NdFeB permanent magnet material sample into three parts and put it into it for degreasing for 1 minute, 5 minutes and 24 hours.
Embodiment 2
[0030] Weigh 5 grams of sodium hydroxide, 15 grams of sodium carbonate, 20 grams of sodium gluconate, 15 grams of PAA, and 3 grams of Triton, and dissolve them in 1 liter of water with a pH of 8.0 and a temperature of 60°C. Divide the sample of bonded NdFeB permanent magnet material into three parts and put it into it for degreasing for 1 minute, 5 minutes and 24 hours.
Embodiment 3
[0032] Weigh 10 grams of sodium hydroxide, 15 grams of sodium carbonate, 5 grams of sodium gluconate, 10 grams of PAA, and 4 grams of Triton, and dissolve them in 1 liter of water with a pH of 8.0 and a temperature of 60°C. Divide the sintered NdFeB permanent magnet material sample into three parts and put it into it for degreasing for 1 minute, 5 minutes and 24 hours.
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