Airborne cold/heat conducting medium and preparation method thereof
A heat-conducting medium and cooling-carrying technology, applied in chemical instruments and methods, heat exchange materials, etc., can solve the problems of increasing fuel consumption, not being used as a heat-conducting medium, and heat-transfer medium being rare, and improving low-temperature viscosity. , good scale inhibition effect, good corrosion inhibition effect
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Embodiment 1
[0015] An organic cold / heat conducting medium, which is composed of 55 parts of propylene glycol, 35 parts of 1-butyl-3-methylimidazole trifluoromethanesulfonate, 5 parts of deionized water, 1.5 parts of benzoic acid, adipic acid 1.3 parts, 1 part of triethanolamine, 0.7 parts of benzotriazole, 0.5 parts of low molecular weight methacrylic acid / acrylic acid low molecular weight copolymer salt.
[0016] Its preparation method is: add propylene glycol, 1-butyl-3-methylimidazolium trifluoromethanesulfonate and deionized water into a beaker according to a certain ratio, place the beaker in an electric heating mantle, adjust the high-speed disperser Position the dispersing head so that it is located in the center of the beaker and about 1cm away from the bottom of the beaker. Adjust the speed of the disperser to 1300rpm for strong dispersion. At the same time, adjust the heating temperature of the heating mantle to heat the base liquid to 70-80°C and disperse at a constant temperatu...
Embodiment 2
[0024] Embodiment 2: The similarities between this embodiment and Embodiment 1 will not be repeated, and the difference is:
[0025] An organic cold / heat conducting medium, which is composed of 60 parts of propylene glycol, 29 parts of 1-butyl-3-methylimidazole trifluoromethanesulfonate, 6 parts of deionized water, 1.5 parts of benzoic acid, adipic acid 1 part, 1.3 parts of triethanolamine, 0.7 part of benzotriazole, and 0.5 part of low molecular weight methacrylic acid / acrylic acid low molecular weight copolymer salt.
[0026] Its preparation method is the same as that of Example 1, and will not be repeated.
[0027] The test results show that,
[0028] (1) Freezing point: -49°C, boiling point > 160°C;
[0029] (2) Viscosity at -40°C: 248.41mPa·s;
[0030] (3) Corrosion and scale inhibition performance: refer to (GB29743-2013 glassware test method), in the environment of 140 ℃, after 336 hours, the test corrosion results are: carbon steel reduced by 6mg, brass reduced by 2...
Embodiment 3
[0033] Embodiment 3: The similarities between this embodiment and Embodiment 1 will not be repeated, and the difference is:
[0034] An organic cold / heat conducting medium, which is composed of 65 parts of propylene glycol, 20.3 parts of 1-butyl-3-methylimidazole trifluoromethanesulfonate, 7 parts of deionized water, 2 parts of benzoic acid, adipic acid 1.5 parts, 2 parts of triethanolamine, 1.5 parts of benzotriazole, 0.7 parts of low molecular weight methacrylic acid / acrylic acid low molecular weight copolymer salt.
[0035] Its preparation method is the same as that of Example 1, and will not be repeated.
[0036] The test results show that,
[0037] (1) Freezing point: -53°C, boiling point > 160°C;
[0038] (2) Viscosity at -45°C: 160.81mPa·s;
[0039] (3) Corrosion and scale inhibition performance: refer to (GB29743-2013 glassware test method), in an environment of 140 ° C, after 336 hours, the test corrosion results are: carbon steel reduced by 1 mg, brass reduced by ...
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