Nanometer anti-freezing solution and preparation method thereof

An antifreeze and nanotechnology, applied in the field of antifreeze, can solve the problems of damage, tremor, and toxicity, and achieve the effects of low operating cost, easy degradation, and good dispersion.

Inactive Publication Date: 2015-04-29
赤峰盛森硅业科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Ethylene glycol-based vehicle engine coolant must be replaced regularly. Except for a small amount that is recycled and reused, most of the ethylene glycol is directly discharged into the environment, because ethylene glycol is highly toxic and difficult to degrade. Once ingested, its metabolites are glycolic acid and oxalic acid; the metabolites can damage the renal tubules between glomeruli in the kidney, eventually leading to renal failure, and long-term exposure to ethylene glycol and its Alcohol-based coolants can cause symptoms such as dizziness, drowsiness, and nystagmus

Method used

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  • Nanometer anti-freezing solution and preparation method thereof

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preparation example Construction

[0034] Please refer to figure 1 , the preparation method of the above-mentioned nano antifreeze that the present invention also provides, comprises the following steps:

[0035] Step 101: adding fumed silicon dioxide, nano-magnesia, and carbon nanotubes into propylene glycol in predetermined parts by weight and vibrating to obtain a mixed solution;

[0036] In step 101, the vibration mixing is specifically ultrasonic vibration.

[0037] Step 102: Add predetermined weight parts of other components into the mixed solution to obtain nanometer antifreeze solution.

[0038] The nanometer antifreeze provided by the present invention adopts propylene glycol as an antifreeze agent. The propylene glycol has a higher boiling point and its freezing point is much lower than ethylene glycol; the boiling point of the antifreeze can reach 140°C, so the antifreeze effect is better. More importantly, the toxicity and irritation of propylene glycol are very small, and it is easy to biodegrade...

Embodiment 1

[0041] The nano antifreeze solution provided by the embodiment of the present invention, in parts by weight, its raw material components include: 50 parts of propylene glycol, 5 parts of fumed silicon dioxide, 5 parts of nano-magnesia, 5 parts of carbon nanotubes, sodium hexametaphosphate 5 parts, 5 parts of borax, 5 parts of glycine, 5 parts of triethanolamine, 5 parts of epoxy resin, 10 parts of deionized water.

[0042] Among them, the particle size range of fumed silicon dioxide is 0.1 nm; the particle size of nano-magnesia is 0.1 nm; the radial size of carbon nanotubes is 1 nm, and the axial size is 1 micron.

[0043] Preparation

[0044] S11: adding fumed silicon dioxide, nano-magnesia, and carbon nanotubes into propylene glycol in predetermined parts by weight and ultrasonically vibrating to obtain a mixed solution;

[0045] S12: Adding predetermined weight parts of other components into the mixed solution to obtain a nano antifreeze solution.

Embodiment 2

[0047] The nano-antifreeze solution provided by the embodiment of the present invention, in parts by weight, its raw material components include: 92 parts of propylene glycol, 0.2 part of fumed silicon dioxide, 0.2 part of nano-magnesium oxide, 0.1 part of carbon nanotube, sodium hexametaphosphate 0.1 part, 0.1 part of borax, 0.1 part of glycine, 0.1 part of triethanolamine, 0.1 part of epoxy resin, 7 parts of deionized water.

[0048] Among them, the particle size range of fumed silicon dioxide is 100 nanometers; the particle size of nano-magnesia is 100 nanometers; the radial dimension of carbon nanotubes is 100 nanometers, and the axial dimension is 100 microns.

[0049] Preparation

[0050] S21: adding fumed silicon dioxide, nano-magnesia, and carbon nanotubes into propylene glycol in predetermined parts by weight and ultrasonically vibrating to obtain a mixed solution;

[0051] S22: Adding predetermined weight parts of other components into the mixed solution to obtain n...

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Abstract

The invention provides a nanometer anti-freezing solution and a preparation method thereof, and relates to the technical field of anti-freezing solutions. The nanometer anti-freezing solution comprises the following raw materials in parts by weight: 50 to 95 parts of propylene glycol, 0.1 to 5 parts of fumed silica, 0.1 to 5 parts of nanometer magnesia, 0.1 to 5 parts of carbon nanotubes, 0.1 to 5 parts of sodium hexametaphosphate, 0.1 to 5 parts of borax, 0.1 to 5 parts of glycine, 0.1 to 5 parts of triethanolamine and 0.1 to 5 parts of epoxy resin. According to the anti-freezing solution, propylene glycol is taken as an anti-freezing agent, and has a higher boiling point and an icing point much lower than that of ethylene glycol, so that better anti-freezing effects are achieved; more importantly, propylene glycol is little in toxicity and irrigation and easy to biodegrade, and if propylene glycol is absorbed by a human body, metabolic products are normal metabolic products like lactic acid and pyruvic acid, so that threats to the health of the human body are eliminated.

Description

technical field [0001] The invention relates to the technical field of antifreeze, in particular to a nano antifreeze and a preparation method thereof. Background technique [0002] The full name of antifreeze is antifreeze coolant, which means coolant with antifreeze function. Antifreeze has the effect of preventing the coolant from freezing and bursting the radiator and freezing the engine cylinder block or cover when the vehicle is parked in cold winter. [0003] In the related art, the engine antifreeze is mostly ethylene glycol-type cooling fluid with water and ethylene glycol as the main components and a certain proportion of anti-corrosion and anti-scaling agent added. Ethylene glycol has a boiling point of 197.4°C and a freezing point of -11.5°C. It can be mixed with water in any proportion to meet the needs of antifreeze and antiboiling under different climatic conditions. Therefore, it has become the main body of the current domestic antifreeze market. [0004] E...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/20
CPCC09K5/20
Inventor 赵春宇铁生年马公林成光明
Owner 赤峰盛森硅业科技发展有限公司
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