Imidazolyl Ionic liquids preparing method
A technology of ionic liquid and magnetic ionic liquid, which is applied in the fields of magnetism and organic chemistry of organic materials/organic magnetic materials, can solve the problems of high cost, complex process, poor product effect, etc., and achieve reduced surface tension and simple synthesis process , Improve the performance and scope of application
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Embodiment 1
[0031] Such as figure 1 The preparation method of the ionic liquid of a kind of imidazole group shown, comprises the following steps;
[0032] The first step is to synthesize the magnetic ionic liquid cation, dissolve the alkylimidazolium chloride salt and NaOH solution in ethanol at an equimolar ratio, and stir at a uniform speed in one direction at room temperature for 3 hours at a stirring speed of 2000 rpm, and then let it stand And naturally precipitate and filter, and dry and dehydrate the precipitate obtained after filtration in a vacuum environment, and the drying temperature is 30°C, and the cationic reactant can be obtained;
[0033] The second step is to synthesize the magnetic ionic liquid anion. Anhydrous ferric chloride and NaOH are dissolved in water at a molar ratio of 1:3 to form a clear and transparent liquid. Then the two liquids are mixed, and the mixed liquid is mixed. Stir at a constant speed, the stirring speed is 50 rpm, and the mixed solution is fully...
Embodiment 2
[0038] Such as figure 1 The preparation method of the ionic liquid of a kind of imidazole group shown, comprises the following steps;
[0039] The first step is to synthesize the magnetic ionic liquid cation, dissolve the hydroxyimidazolium chloride salt and the potassium hydroxide solution in acetonitrile in an equimolar ratio, and stir at a uniform speed in one direction at room temperature for 1 hour at a stirring speed of 1500 rpm, and then statically Place and naturally precipitate and filter, and dry and dehydrate the filtered precipitate in a vacuum environment, and the drying temperature is 40°C to obtain the cationic reactant;
[0040] The second step is to synthesize a magnetic ionic liquid anion. Manganese bromide and NaOH are dissolved in water at a molar ratio of 1:4 to form a clear and transparent liquid. Then the two liquids are mixed, and the mixed liquid is unidirectionally uniform during mixing. Stir at a stirring speed of 40 revolutions per minute, and full...
Embodiment 3
[0045] Such as figure 1 The preparation method of the ionic liquid of a kind of imidazole group shown, comprises the following steps;
[0046] The first step is to synthesize the magnetic ionic liquid cation, and dissolve the aminoimidazolium chloride salt and NaOH solution in dichloroethane in an equimolar ratio, and stir at a uniform speed in one direction at room temperature for 2 hours, and the stirring speed is 2500 rpm. Then stand still and naturally precipitate and filter, and dry and dehydrate the filtered precipitate in a vacuum environment, and the drying temperature is 50°C to obtain the cationic reactant;
[0047] The second step is to synthesize the magnetic ionic liquid anion, dissolve cobalt chloride 6 hydrate and NaOH in water at a molar ratio of 1:4 to form a clear and transparent liquid, then mix the two liquids, and perform a single Stir at a constant speed, the stirring speed is 10 revolutions per minute, and the mixed solution is fully precipitated, and the...
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