A kind of special anti-corrosion paint for sucker rod and preparation method thereof
A technology of anti-corrosion paint and sucker rod, which is applied in the direction of anti-corrosion paint, asphalt paint, coating, etc., to achieve the effects of reducing production costs, improving production and product quality, and strong air and water impermeability
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[0018] A preparation method for patent anticorrosion paint for sucker rods, comprising the following steps:
[0019] 1) Put the solid asphalt into the kettle and heat it slowly until it melts, then cool down to 140-160°C;
[0020] 2) Add 200﹟ solvent oil and stir until completely dissolved, then add aromatic hydrocarbon solvent and xylene, and stir well;
[0021] 3) Lower the temperature, and when the temperature drops below 50°C, add asphalt softener and preservative, and stir well.
[0022] In the following examples, the used petroleum asphalt performance indicators are as follows:
[0023] serial number project index 1 Exterior Black, impurity-free solid 2 Softening point ℃ 110～120 3 Solubility≥ 99.5 4 Flash point ℃≥ 260 5 Ash content ℃≤ 0.3
[0024] 6 Oil solubility (bitumen: linseed oil = 1:1) completely dissolved
[0025] In the following examples, the bitumen softener used is made from the re-refin...
Embodiment 1
[0033] The present embodiment provides a special anticorrosion paint for sucker rods, which is made from the following components in weight percent: 47% solid pitch, 16% pitch softener, 1.2% preservative, 7.8% 200% solvent naphtha, and 14% aromatic solvent % and xylene 14%.
[0034] The preparation method of the sucker rod patent anticorrosion paint of the present embodiment comprises the following steps:
[0035] 1) Put the solid asphalt into the kettle and heat it slowly until it melts, then cool down to 140°C;
[0036] 2) Add 200﹟ solvent oil and stir until completely dissolved, then add aromatic hydrocarbon solvent and xylene, and stir well;
[0037] 3) Cool down, and when the temperature drops to 45°C, add asphalt softener and preservative, and stir well to get the product.
Embodiment 2
[0039] The present embodiment provides a special anticorrosion paint for sucker rods, which is made from the following components in percentage by weight: 45% of solid pitch, 20% of pitch softener, 1% of preservative, 10% of 200% mineral spirits, and 10% of aromatic solvent % and xylene 14%.
[0040] The preparation method of the sucker rod patent anticorrosion paint of the present embodiment comprises the following steps:
[0041] 1) Put the solid asphalt into the kettle and heat it slowly until it melts, then cool down to 160°C;
[0042] 2) Add 200﹟ solvent oil and stir until completely dissolved, then add aromatic hydrocarbon solvent and xylene, and stir well;
[0043] 3) Cool down, and when the temperature drops to 40°C, add asphalt softener and preservative, and stir well to get the product.
[0044] The aromatic hydrocarbon solvent is a low boiling aromatic hydrocarbon solvent with a distillation range of 155-175°C.
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Abstract
Description
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