Preparation method of anti-rust agent of concentrated solution for hydraulic support
A technology of hydraulic support and concentrate, applied in the petroleum industry, lubricating composition and other directions, can solve the problems of high raw material cost, poor cost performance, unsatisfactory anti-rust effect, etc., and achieve the effect of environmental friendliness
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Embodiment 1
[0059] At room temperature of 15°C, add 30% demineralized water, 45% triethanolamine, and 10% monoethanolamine into the reaction kettle, stir evenly, then add 5% sebacic acid, 2% adipic acid until the system is clear, then add 7% sodium benzoate and 1% benzotriazole, stirred for 30 minutes, and the product was obtained after the system became clear.
Embodiment 2
[0061] At room temperature of 25°C, add 20% demineralized water, 47.5% triethanolamine, and 15% monoethanolamine into the reaction kettle, stir evenly, then add 6% sebacic acid, 3% adipic acid until the system is clear, then add 8% sodium benzoate and 0.5% benzotriazole, stirred for 45 minutes, and the product was obtained after the system became clear.
Embodiment 3
[0063] At room temperature of 35°C, add 28.5% demineralized water, 40% triethanolamine, 15% monoethanolamine into the reaction kettle, stir evenly, then add 6% sebacic acid, 2% adipic acid until the system is clear, then add 8% sodium benzoate and 0.5% benzotriazole, stirred for 60 minutes, and the product was obtained after the system became clear.
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