Sulfuric acid ester gas pipeline drag reduction agents and preparation method thereof
A technology for gas transmission pipelines and drag reducing agents, applied in pipeline systems, chemical instruments and methods, mechanical equipment, etc., can solve problems such as pipeline pressure loss and energy loss, achieve low equipment requirements, realize large-scale industrial production, Simple process effect
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[0023] Embodiment. The specific embodiment of the present invention is described with this example and the present invention is described further. This example is a test method in a laboratory. Specifically, add 50ml of imidazole into a 500ml three-necked bottle, then add 200ml of xylene, put it into a water bath filled with ice-water mixture, pass through nitrogen protection, put it into a thermometer, and measure it to ensure that its temperature does not exceed 30°C. Install the instrument, put the rotor in, start the magnetic stirrer, measure 100ml of dibutyl sulfate with a graduated cylinder and add it to the addition funnel, and add the dibutyl sulfate drop by drop to the imidazole added to xylene. Slowly add the medicine into the three-necked bottle by controlling the addition funnel. After reacting for 2 hours, the reaction product was placed in a separatory funnel, and after standing still for 1 hour, the xylene layer was separated from the organic layer, and the pro...
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