Method for preparing imidodisulfuryl fluoride lithium
A technology of lithium bisfluorosulfonyl imide and bisfluorosulfonyl imide, which is applied in the field of preparation of lithium bisfluorosulfonyl imide, can solve problems such as high risk, high difficulty in operation, corrosion of equipment, etc., and achieve high product quality , The effect of low raw material price and easy removal
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[0041] Example 1
[0042] Under the protection of nitrogen, add 214g of bischlorosulfonimide into a 500ml reactor, and then add 161g of antimony trifluoride in batches. The process temperature is controlled at 20-25°C and reacted for 20 hours, and then continuous vacuum distillation twice to obtain 162g The bisfluorosulfonimide has a yield of 90% and a purity of 99.5%.
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[0043] Example 2
[0044] Under the protection of flowing nitrogen, add 200ml of anhydrous methanol to a 500ml reactor, then add 1.4g of lithium metal, control the temperature below 40℃, stir and react for 3 hours, then concentrate under reduced pressure to dryness to obtain 7.6g of lithium methoxide, yield 100%.
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[0045] Example 3
[0046] Under the protection of flowing nitrogen, add 200ml of absolute ethanol into the 500ml reactor, then add 1.4g of lithium metal, the process temperature is controlled at 40-50℃, the reaction is stirred for 3 hours, and then concentrated under reduced pressure to dryness to obtain 10.3g of lithium ethoxide. The rate is 99%.
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