Oil-soluble demulsifier and preparation method thereof
A demulsifier, oil-soluble technology, applied in the field of oil-soluble demulsifier and its preparation, can solve the problems of difficult control of esterification reaction conditions, unsuitable for large-scale production, incomplete reaction, etc., to achieve good emulsification stability, excellent Application effect, effect of improving demulsification effect
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Embodiment 1
[0043] Add 1.25g of phenyl hydrogen-containing silicone oil and 1.19g of isopropanol into the reaction kettle, raise the temperature to 70°C under stirring, and add 1.19×10 -4 g catalyst, then warmed up to 80°C, and then added dropwise a mixture of 0.8416g 1-dodecene and 1.875g polyether for 10 minutes. Low boilers and unreacted raw materials, resulting in oil-soluble demulsifiers.
Embodiment 2
[0045] Add 1.25g of phenyl hydrogen-containing silicone oil and 1.23g of isopropanol into the reaction kettle, raise the temperature to 70°C under stirring, and add 1.23×10 -4 g catalyst, then heated up to 90°C, and then added dropwise a mixture of 0.8837g 1-dodecene and 1.969g polyether for 20 minutes. Low boilers and unreacted raw materials, resulting in oil-soluble demulsifiers.
Embodiment 3
[0047] Add 1.25g of phenyl hydrogen-containing silicone oil and 1.27g of isopropanol into the reaction kettle, raise the temperature to 70°C under stirring, and add 1.27×10 -4 g catalyst, then warmed up to 100°C, and then added dropwise a mixture of 0.9258g 1-dodecene and 2.063g polyether for 30 minutes. Low boilers and unreacted raw materials, resulting in oil-soluble demulsifiers.
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