Preparation method and application of palm oil fatty acid magnesium
A technology of fatty acid magnesium and palm oil, which is applied in the direction of carboxylate preparation, carboxylate preparation, application, etc., to achieve the effects of less environmental pollution, low price, and promoting animal growth
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[0029] In an embodiment, the preparation method of described palm oil fatty acid magnesium comprises the following steps:
[0030] (1) Vent nitrogen to the reaction kettle to exhaust oxygen, increase the nitrogen flow rate to 0.9-1.2L / min when exhausting oxygen, after 10-14min of oxygen exhausting, reduce the nitrogen flow rate to 0.1-0.2L / min, add under the protection of nitrogen 30-45g of ethylene glycol polyoxyethylene ether with an average molecular weight of 1000 and 312-350g of palm oil are stirred and heated to 62-65°C at a rotation speed of 200-300r / min to obtain a heated mixture a;
[0031] (2) Add 19-22g of magnesium hydroxide to the mixture a prepared in step (1), and stir for 8-14min at a rotating speed of 300-500r / min to prepare mixture b;
[0032] (3) Heat the mixture b prepared in step (2) to 106-117°C, add 14-17g of water and 3.9-5.7g of maleic anhydride, keep the temperature at 106-117°C, and increase the speed to Stir and react at 600-800r / min for 74-90min t...
Embodiment 1
[0036] A kind of preparation method of palm oil fatty acid magnesium, comprises the following steps:
[0037] (1) Pass nitrogen to the reaction kettle to exhaust oxygen. When exhausting oxygen, increase the nitrogen flow rate to 0.9L / min. After 14 minutes of oxygen exhaustion, reduce the nitrogen flow rate to 0.2L / min. Ethylene glycol polyoxyethylene ether and 315g of palm oil were stirred and heated to 63°C at a rotation speed of 200r / min to obtain heated mixture a;
[0038] (2) Add 19.6g of magnesium hydroxide to the mixture a prepared in step (1), and stir for 14min at a rotating speed of 300r / min to obtain mixture b;
[0039] (3) Heat the mixture b prepared in step (2) to 108°C, add 15g of water and 4.2g of maleic anhydride, keep the temperature at 108°C, increase the speed to 600r / min and stir for 90min, produce reactants;
[0040] (4) The reactant prepared in step (3) is filtered, dehydrated, reclaimed maleic acid and ethylene glycol polyoxyethylene ether with an avera...
Embodiment 2
[0042] A kind of preparation method of palm oil fatty acid magnesium, comprises the following steps:
[0043] (1) Pass nitrogen to the reaction kettle to exhaust oxygen, increase the nitrogen flow to 1L / min during oxygen exhaust, after 12 minutes of oxygen exhaust, turn down the nitrogen flow to 0.1L / min, add 38g of ethyl alcohol with an average molecular weight of 1000 under nitrogen protection Glycol polyoxyethylene ether, 340g palm oil, stirred and heated to 64°C at a rotation speed of 300r / min, to obtain heated mixture a;
[0044] (2) Add 20.6g of magnesium hydroxide to the mixture a prepared in step (1), and stir for 8min at a rotating speed of 500r / min to prepare mixture b;
[0045] (3) Heat the mixture b prepared in step (2) to 115°C, add 15.8g of water and 5g of maleic anhydride, keep the temperature at 115°C, increase the rotation speed to 800r / min and stir for 75min, produce reactants;
[0046] (4) The reactant prepared in step (3) is filtered, dehydrated, reclaime...
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