Coolant liquid for magnesium aluminum alloy engine and preparation method of the same
An engine coolant, magnesium-aluminum alloy technology, applied in chemical instruments and methods, heat exchange materials, etc., can solve problems such as cooling system corrosion, and achieve the effects of inhibiting corrosion, improving water solubility, and excellent protection.
Active Publication Date: 2014-04-16
北京蓝星清洗有限公司
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Problems solved by technology
[0005] The present invention designs a magnesium-aluminum alloy engine coolant and its preparation method, which solves the technical problem that the existing magnesium alloy engine cooling system is easily corroded by traditional coolant
Method used
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[0033] The cooling liquid formula of the present invention has been subjected to a large number of screening experiments, and a formula combination with reasonable economy and excellent technology has been obtained.
[0034] Table 1 is 6 embodiment formulas:
[0035]
[0036] Engine coolant performance index data of the present invention is shown in Table 2:
[0037]
[0038] It can be seen from the test data that the cooling liquid of the present invention has excellent corrosion inhibition for magnesium alloys and good corrosion protection for other metals in the cooling system.
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The invention relates to a coolant liquid for a magnesium aluminum alloy engine and a preparation method of the coolant liquid. The coolant liquid comprises ethylene glycol, monobasic aliphatic carboxylic acid, alkali metal salt of the monobasic aliphatic carboxylic acid, dibasic aliphatic carboxylic acid, alkali metal salt of the dibasic aliphatic carboxylic acid, benzoic acid, fluoride, alkyl-amide, polyol ester, triazole compound, deionized water and defoamer. Through optimal combination of monobasic aliphatic carboxylic acid, dibasic aliphatic carboxylic acid, aromatic acid and triazole compound, the coolant liquid suitable for the magnesium aluminum alloy engine solves the problem of corrosion of metal except for magnesium alloy of an automobile cooling system.
Description
technical field [0001] The invention relates to a coolant for an engine and a preparation method thereof, in particular to a coolant for a magnesium-aluminum alloy engine and a preparation method thereof. Background technique [0002] Automobile lightweight is one of the most effective measures to reduce fuel consumption and reduce emissions, and it is also one of the most notable features of modern automobiles. Every 10% reduction in vehicle quality can reduce fuel consumption by 5% to 8%. Magnesium alloys are recognized as the most promising automotive lightweight materials today. Used as an automotive component, it can improve fuel efficiency and reduce exhaust emissions and fuel costs. According to calculations, 60% of the fuel used by a car is consumed by the car's own weight. For every 10% weight loss of a car, the fuel consumption can be reduced by 8% to 10%. Therefore, the world's major automobile companies such as Ford, GM, Benz, BMw, Honda, Toyota, etc. have alr...
Claims
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IPC IPC(8): C09K5/20C23F11/18C23F11/167
Inventor 王双田白剑利邱雪梅单素灵文措杰张桂玲申林涛王晓琴
Owner 北京蓝星清洗有限公司