CN114231258A - Low-conductivity cooling liquid and preparation method thereof - Google Patents
Low-conductivity cooling liquid and preparation method thereof Download PDFInfo
- Publication number
- CN114231258A CN114231258A CN202111492957.9A CN202111492957A CN114231258A CN 114231258 A CN114231258 A CN 114231258A CN 202111492957 A CN202111492957 A CN 202111492957A CN 114231258 A CN114231258 A CN 114231258A
- Authority
- CN
- China
- Prior art keywords
- acid
- conductivity
- low
- deionized water
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000110 cooling liquid Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000008367 deionised water Substances 0.000 claims abstract description 61
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 61
- 239000003755 preservative agent Substances 0.000 claims abstract description 61
- 230000002335 preservative effect Effects 0.000 claims abstract description 59
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 45
- 229920000570 polyether Polymers 0.000 claims abstract description 45
- 238000003756 stirring Methods 0.000 claims abstract description 42
- 238000002156 mixing Methods 0.000 claims abstract description 40
- 150000001875 compounds Chemical class 0.000 claims abstract description 39
- 150000003627 tricarboxylic acid derivatives Chemical class 0.000 claims abstract description 34
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 15
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 14
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000004135 Bone phosphate Substances 0.000 claims abstract description 9
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract 2
- 239000002826 coolant Substances 0.000 claims description 21
- 238000012360 testing method Methods 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims description 10
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 claims description 10
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 9
- BNJOQKFENDDGSC-UHFFFAOYSA-N octadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCCCC(O)=O BNJOQKFENDDGSC-UHFFFAOYSA-N 0.000 claims description 8
- LWBHHRRTOZQPDM-UHFFFAOYSA-N undecanedioic acid Chemical compound OC(=O)CCCCCCCCCC(O)=O LWBHHRRTOZQPDM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 6
- QQHJDPROMQRDLA-UHFFFAOYSA-N hexadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCC(O)=O QQHJDPROMQRDLA-UHFFFAOYSA-N 0.000 claims description 6
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 claims description 4
- 239000012498 ultrapure water Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- SBLKVIQSIHEQOF-UPHRSURJSA-N Octadec-9-ene-1,18-dioic-acid Chemical compound OC(=O)CCCCCCC\C=C/CCCCCCCC(O)=O SBLKVIQSIHEQOF-UPHRSURJSA-N 0.000 claims description 3
- 239000001361 adipic acid Substances 0.000 claims description 3
- 235000011037 adipic acid Nutrition 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 9
- 229920001971 elastomer Polymers 0.000 abstract description 7
- 239000005060 rubber Substances 0.000 abstract description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000013530 defoamer Substances 0.000 description 8
- BTBJCTWMARHHQD-UHFFFAOYSA-N 2-heptadecylpropanedioic acid Chemical compound CCCCCCCCCCCCCCCCCC(C(O)=O)C(O)=O BTBJCTWMARHHQD-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- TWBADGIKMJBWGI-KTKRTIGZSA-N 2-[(Z)-heptadec-8-enyl]propanedioic acid Chemical compound CCCCCCCC/C=C\CCCCCCCC(C(=O)O)C(=O)O TWBADGIKMJBWGI-KTKRTIGZSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal salts Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- HSNQNPCNYIJJHT-ZCXUNETKSA-N cis-octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCC HSNQNPCNYIJJHT-ZCXUNETKSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
Abstract
The invention discloses a low-conductivity cooling liquid and a preparation method thereof, wherein the cooling liquid comprises the following raw materials in parts by weight: 10-50 parts of deionized water, 50-90 parts of ethylene glycol, 0.01-10 parts of multi-effect compound preservative and 0.001-0.1 part of defoaming agent; the multi-effect compound preservative is prepared from the following components in percentage by mass of 1: (0.1-2): 1, poly-tricarboxylic acid and dicarboxylic acid. The preparation method comprises the following steps: A. mixing qualified deionized water and ethylene glycol at the temperature of 20-60 ℃, and stirring for 10-30 minutes to form a solution 1; b: mixing polyether, poly-tribasic carboxylic acid and dicarboxylic acid in the multi-effect compound preservative according to a certain proportion at the temperature of 50-70 ℃, and stirring for 30-60 minutes; c: adding a multi-effect compound preservative and a defoaming agent into the solution 1 at the temperature of 50-70 ℃, and stirring for 30-60 minutes to form a solution 3; d: and filtering the solution 3 through cation exchange resin to obtain the product. The cooling liquid has the characteristics of low conductivity, good corrosion resistance and good rubber compatibility.
Description
Technical Field
The invention belongs to the technical field of cooling liquid, relates to cooling liquid and a preparation method thereof, and particularly relates to low-conductivity cooling liquid and a preparation method thereof.
Background
With the development of new energy technologies, various electronic devices are widely used, such as lithium batteries, fuel cells, radars, 5G base stations, and the like. With the application of these devices, how to run efficiently, smoothly and for a long period of time is the biggest challenge, wherein for the large heat generation of the devices, cooling is one of the primary conditions for the normal operation of the devices. For cooling of these devices, electrical conductivity is a crucial indicator, and if the electrical conductivity is high, the devices are easily connected in series, which eventually leads to damage of the devices. In addition, the new devices use new materials such as copper, lead brass, stainless steel, 2a12 aluminum, 5080 nitrile rubber, fluororubber, etc., and the use of these materials also presents new challenges for the coolant.
The traditional cooling liquid generally contains organic preservatives (such as sodium benzoate and the like), inorganic preservatives (such as sodium borate and the like), alkali metal salts (such as sodium hydroxide and the like), coloring agents and the like, the existence of the additives causes the electrical conductivity of the cooling liquid to be generally more than 1000 mu s/cm, and the cooling liquid does not have anti-corrosion effect and compatibility on novel materials such as magnesium, zinc, nickel, aluminum (1024), aluminum (2011), aluminum (6060), aluminum (6063), aluminum (6061), aluminum (6082), 5080 nitrile rubber, fluororubber and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing the low-conductivity cooling liquid with low conductivity, good corrosion resistance and good rubber compatibility aiming at the defects of the prior art.
The invention further aims to solve the technical problem of providing a preparation method which can form the multi-effect compound preservative in a stable state in a product and can be well compounded with other additives.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the low-conductivity cooling liquid comprises the following raw materials in parts by weight: 10-50 parts of deionized water, 50-90 parts of ethylene glycol, 0.01-10 parts of multi-effect compound preservative and 0.001-0.1 part of defoaming agent; the multi-effect compound preservative is prepared from the following components in percentage by mass of 1: (0.1-2): 1, polyether, poly-tricarboxylic acid and dicarboxylic acid; the polyether structure is as follows:
wherein m is 0 to 100, n is 0 to 20, m and n are not zero at the same time, R is1Is hydrogen or C1～C20An alkane of (a); r2Is hydrogen or methyl, R3Is C2～C5Of alkane, R4Is composed of
Wherein r is hydrogen or C1-C6Alkyl, cycloalkyl or aromatic hydrocarbon radicals of (A), R5Is carbon or nitrogen element.
In the low-conductivity coolant, it is preferable that m is 0 to 50, n is 0 to 10, m and n are not zero at the same time, and R is1Is hydrogen or C1～C10Of (a) an alkane.
Further, in the low-conductivity cooling liquid, it is preferable that the molecular structural formula of the polytriaromatic carboxylic acid is:
Further, in the low-conductivity coolant, it is preferable that the dicarboxylic acid includes one or more of sebacic acid, azelaic acid, suberic acid, pimelic acid, adipic acid, undecanedioic acid, dodecanedioic acid, (Z) -9-octadecenedioic acid, hexadecanedioic acid, and octadecanedioic acid.
Further, in the low-conductivity cooling liquid, the defoaming agent is preferably selected from: one or more of EX-504, EX-505, EX-506, CK-C149, CK-C153, CK-C154 and CK-C155.
Furthermore, in the low-conductivity cooling liquid, the deionized water is preferably high-purity water, and the conductivity of the deionized water meets the requirement of first-level water.
Further, in the low-conductivity cooling liquid, the glycol is preferably a high-grade product.
A preparation method of a low-conductivity cooling liquid comprises the following steps:
A. preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-level water, mixing the qualified deionized water with ethylene glycol at the temperature of 20-60 ℃, and stirring for 10-30 minutes to form a solution 1;
b: mixing polyether, poly-tribasic carboxylic acid and dicarboxylic acid in the multi-effect compound preservative according to a certain proportion at the temperature of 50-70 ℃, and stirring for 30-60 minutes;
c: adding a multi-effect compound preservative and a defoaming agent into the solution 1 at the temperature of 50-70 ℃, and stirring for 30-60 minutes to form a solution 3;
d: and filtering the solution 3 through cation exchange resin to obtain the product.
Aiming at the use requirements of the current novel equipment, the invention comprehensively considers the environmental factors, the corrosion resistance specificity to metals such as zinc, nickel and the like and the defects of the existing products, the cooling liquid improves the purity of deionized water and glycol, improves the purity of the deionized water and the glycol, reduces the electric conductivity of the cooling liquid, introduces a special multi-effect compound preservative, can effectively provide corrosion protection for various metals, and has compatibility with various rubber materials.
According to the invention, a corresponding blending method is formed by improving the purity of raw materials, adopting a special multi-effect compound preservative, combining a defoaming agent with a unique structure and a filtering process, and finally, a novel low-conductivity cooling liquid is blended. The filtering process of the invention can ensure that the low-conductivity cooling liquid can keep long-life operation.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described in detail.
The low-conductivity cooling liquid comprises the following raw materials in parts by weight: 10-50 parts of deionized water, 50-90 parts of ethylene glycol, 0.01-10 parts of multi-effect compound preservative and 0.001-0.1 part of defoaming agent; the multi-effect compound preservative is prepared from the following components in percentage by mass of 1: (0.1-2): 1, polyether, poly-tricarboxylic acid and dicarboxylic acid; the polyether structure is as follows:
wherein m is 0 to 100, n is 0 to 20, m and n are not zero at the same time, R is1Is hydrogen or C1～C20An alkane of (a); r2Is hydrogen or methyl, R3Is C2～C5Of alkane, R4Is composed of
Wherein r is hydrogen or C1-C6Alkyl, cycloalkyl or aromatic hydrocarbon radicals of (A), R5Is carbon or nitrogen element.
In the low-conductivity coolant, it is preferable that m is 0 to 50, n is 0 to 10, m and n are not zero at the same time, and R is1Is hydrogen or C1～C10Of (a) an alkane.
Further, in the low-conductivity cooling liquid, it is preferable that the molecular structural formula of the polytriaromatic carboxylic acid is:
Further, in the low-conductivity coolant, it is preferable that the dicarboxylic acid includes one or more of sebacic acid, azelaic acid, suberic acid, pimelic acid, adipic acid, undecanedioic acid, dodecanedioic acid, (Z) -9-octadecenedioic acid, hexadecanedioic acid, and octadecanedioic acid.
Further, in the low-conductivity cooling liquid, the defoaming agent is preferably selected from: one or more of EX-504, EX-505, EX-506, CK-C149, CK-C153, CK-C154 and CK-C155.
Furthermore, in the low-conductivity cooling liquid, the deionized water is preferably high-purity water, and the conductivity of the deionized water meets the requirement of first-level water. The requirement of the primary water is according to the standard of the primary water in GB/T1146.1-1997 national Standard for ultrapure water in the China electronic industry.
Further, in the low-conductivity cooling liquid, the glycol is preferably a high-grade product. The superior products required by the ethylene glycol are in accordance with the standards of superior products in GB/T4649-2018 'Industrial ethylene glycol'.
A preparation method of a low-conductivity cooling liquid comprises the following steps:
A. preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-level water, mixing the qualified deionized water with ethylene glycol at the temperature of 20-60 ℃, and stirring for 10-30 minutes to form a solution 1;
b: mixing polyether, poly-tribasic carboxylic acid and dicarboxylic acid in the multi-effect compound preservative according to a certain proportion at the temperature of 50-70 ℃, and stirring for 30-60 minutes;
c: adding a multi-effect compound preservative and a defoaming agent into the solution 1 at the temperature of 50-70 ℃, and stirring for 30-60 minutes to form a solution 3;
d: and filtering the solution 3 through cation exchange resin to obtain the product.
The following is a detailed description of specific examples:
example 1, a low conductivity coolant, comprising the following raw materials in parts by weight (in grams for this example):
50 parts of deionized water, 50 parts of ethylene glycol, 0.02 part of multi-effect compound preservative and 0.001 part of defoaming agent (EX-504); wherein the multi-effect compound preservative is polyether, poly-tricarboxylic acid and sebacic acid according to the weight ratio of 1: 0.1: 1, mixing to obtain the product; the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 50 g of deionized water and 50 g of ethylene glycol at 25 ℃, and stirring for 30 minutes to form a solution 1;
b: at 50 ℃, 0.02 g of multi-effect preservative is added, wherein the weight ratio of polyether, poly-tricarboxylic acid and sebacic acid is 1: 0.1: 1, mixing and stirring for 30 minutes;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
c: adding 0.001 g of multi-effect preservative and defoaming agent (EX-504) into the solution 1 at 50 ℃, and stirring for 30 minutes to form a solution 3;
d: filtering the solution 3 through cation exchange resin to obtain a product 1 of example 1;
example 2, a low conductivity coolant, comprising the following raw materials in parts by weight (in grams in this example):
10 parts of deionized water, 10 parts of ethylene glycol, 10 parts of a multi-effect compound preservative and 0.005 part of a defoaming agent (CK-C155); wherein the multi-effect compound preservative is polyether, poly-tricarboxylic acid and octadecane dicarboxylic acid, and the weight ratio of polyether to poly-tricarboxylic acid to octadecane dicarboxylic acid is 1: 0.1: 1, mixing to obtain the product;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 10 g of deionized water and 90 g of ethylene glycol at the temperature of 60 ℃, and stirring for 10 minutes to form a solution 1;
b: under the condition of 70 ℃, 10 g of multi-effect preservative is added, wherein the weight ratio of polyether, poly-tricarboxylic acid and octadecane dicarboxylic acid is 1: 0.1: 1, mixing and stirring for 60 minutes;
c: adding 0.005 g of multi-effect preservative and defoamer (CK-C155) into the solution 1 at 70 ℃, and stirring for 60 minutes to form a solution 3;
d: filtering the solution 3 through cation exchange resin to obtain a product 2 of example 2;
example 3, a low conductivity coolant, comprising the following raw materials in parts by weight (in grams for this example):
20 parts of deionized water, 80 parts of ethylene glycol, 1 part of multi-effect compound preservative and 0.01 part of defoaming agent (EX-505); wherein the multi-effect compound preservative is polyether, poly-tricarboxylic acid and azelaic acid according to the weight ratio of 1: 0.1: 1, mixing to obtain the product; the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 20 g of deionized water and 80 g of ethylene glycol at the temperature of 30 ℃, and stirring for 20 minutes to form a solution 1;
b: 1 g of multi-effect preservative under the condition of 60 ℃, wherein the weight ratio of polyether, poly-tricarboxylic acid and azelaic acid is 1: 1:1, mixing and stirring for 50 minutes;
c: adding 0.01 g of multi-effect preservative and defoaming agent (EX-505) into the solution 1 at 70 ℃, and stirring for 60 minutes to form a solution 3;
d: filtering the solution 3 through cation exchange resin to obtain a product 3 of an example 3;
example 4, a low conductivity coolant comprising the following raw materials in parts by weight (in grams for this example):
deionized water 35, ethylene glycol 65, multi-effect compound preservative 5 and defoamer (CK-C154) 0.01; wherein the multi-effect compound preservative is polyether, poly-tricarboxylic acid and hexadecane dicarboxylic acid, and the weight ratio of the polyether to the poly-tricarboxylic acid to the hexadecane dicarboxylic acid is 1: 0.5: 1, mixing to obtain the product;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 35 g of deionized water and 65 g of ethylene glycol at 40 ℃, and stirring for 15 minutes to form a solution 1;
b: at the temperature of 660 ℃, 5g of multi-effect preservative, wherein the weight ratio of polyether, poly-tricarboxylic acid and hexadecane dibasic acid is 1: 0.5: 1, mixing and stirring for 30 minutes;
c: adding 0.01 g of multi-effect preservative and defoaming agent (CK-C154) into the solution 1 at the temperature of 60 ℃, and stirring for 30 minutes to form a solution 3;
d: filtering the solution 3 through cation exchange resin to obtain a product 4 of example 4;
example 5, a low conductivity coolant, comprising the following raw materials in parts by weight (in grams for this example):
deionized water 45, ethylene glycol 55, multi-effect compound preservative 3 and defoamer (CK-C149) 0.05; wherein, the multi-effect compound preservative is polyether, poly-tribasic carboxylic acid, (Z) -9-octadecene dibasic acid according to the weight ratio of 1: 1.2: 1, mixing to obtain the product;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 45 g of deionized water and 55 g of ethylene glycol at 40 ℃, and stirring for 20 minutes to form a solution 1;
b: at the temperature of 60 ℃, 3 g of multi-effect preservative, wherein polyether, poly-tricarboxylic acid and (Z) -9-octadecene dicarboxylic acid are mixed according to the weight ratio of 1: 1.2: 1, mixing and stirring for 60 minutes;
c: adding 0.05 g of multi-effect preservative and defoamer (CK-C149) into the solution 1 at the temperature of 60 ℃, and stirring for 40 minutes to form a solution 3;
d: filtering the solution 3 through cation exchange resin to obtain a product 5 of example 5;
example 6, a low conductivity coolant, comprising the following raw materials in parts by weight (in grams for this example):
50 parts of deionized water, 50 parts of ethylene glycol, 0.02 part of multi-effect compound preservative and 0.015 part of defoaming agent (CK-C154); wherein the multi-effect compound preservative is polyether, poly-tricarboxylic acid and pimelic acid according to the weight ratio of 1: 1.8: 1, mixing to obtain the product; the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 50 g of deionized water and 50 g of ethylene glycol at the temperature of 60 ℃, and stirring for 20 minutes to form a solution 1;
b: under the condition of 70 ℃, 8 g of multi-effect preservative, wherein the weight ratio of polyether, poly-tricarboxylic acid and pimelic acid is 1: 1.8: 1, mixing and stirring for 60 minutes;
c: adding 0.015 g of multi-effect preservative and defoaming agent (CK-C154) into the solution 1 at 70 ℃, and stirring for 30 minutes to form a solution 3;
d: the solution 3 was filtered through a cation exchange resin to give the product 6 of example 6;
example 7, a low conductivity coolant, comprising the following parts by weight (in grams in this example) of raw materials:
20 parts of deionized water, 80 parts of ethylene glycol, 8.5 parts of multi-effect compound preservative, 0.005 part of defoaming agent (CK-C154) and 0.005 part of defoaming agent (CK-C155);
wherein the multi-effect compound preservative is polyether, poly-tricarboxylic acid and dodecanedioic acid, and the weight ratio of the polyether to the poly-tricarboxylic acid is 1: 0.6: 1, mixing to obtain the product;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 20 g of deionized water and 80 g of ethylene glycol at the temperature of 60 ℃, and stirring for 20 minutes to form a solution 1;
b: under the condition of 60 ℃, 8.5 g of multi-effect preservative, wherein the weight ratio of polyether, poly-tricarboxylic acid and dodecanedioic acid is 1: 0.6: 1, mixing and stirring for 60 minutes;
c: adding 0.005 g of multi-effect preservative and 0.005 g of defoamer (CK-C154) and 0.005 g of defoamer (CK-C155) into the solution 1 at the temperature of 60 ℃, and stirring for 60 minutes to form a solution 3;
d: the solution 3 was filtered through a cation exchange resin to give the product 7 of example 7;
example 8, a low conductivity coolant, comprising the following raw materials in parts by weight (in grams for this example):
25 parts of deionized water, 75 parts of ethylene glycol, 7.5 parts of multi-effect compound preservative, 0.02 part of defoaming agent (EX-506) and 0.02 part of defoaming agent (CK-C149);
wherein the multi-effect compound preservative is prepared by mixing polyether, poly-tribasic carboxylic acid and dibasic acid (the mass ratio of the undecamaric acid to the dodecadibasic acid is 1:1) according to the weight ratio of 1: 2: 1, mixing to obtain the product;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 25 g of deionized water and 75 g of ethylene glycol at 25 ℃, and stirring for 20 minutes to form a solution 1;
b: 7.5 g of multi-effect preservative under the condition of 55 ℃, wherein the mass ratio of polyether, poly-tribasic carboxylic acid and dibasic acid (undecanedioic acid to dodecanedioic acid is 1:1) is 1: 2: 1, mixing and stirring for 60 minutes;
c: adding 0.02 g of multi-effect preservative and defoamer (EX-506) and 0.02 g of (CK-C149) into the solution 1 at 70 ℃, and stirring for 60 minutes to form a solution 3;
d: the solution 3 was filtered through a cation exchange resin to give the product 8 of example 8;
example 9, a low conductivity coolant, comprising the following parts by weight (in grams in this example) of raw materials:
35 parts of deionized water, 65 parts of ethylene glycol, 9.5 parts of multi-effect compound preservative and 0.04 part of defoaming agent (EX-504);
wherein, the multi-effect compound preservative is polyether, poly-tribasic carboxylic acid, (Z) -9-octadecenoic acid according to the weight ratio of 1: 11, mixing to obtain the finished product;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 35 g of deionized water and 65 g of ethylene glycol at the temperature of 30 ℃, and stirring for 30 minutes to form a solution 1;
b: 9.5 g of multi-effect preservative under the condition of 65 ℃, wherein the weight ratio of polyether, poly-tribasic carboxylic acid and (Z) -9-octadecenoic acid is 1: 0.9: 1, mixing and stirring for 60 minutes;
c: adding 0.04 g of multi-effect preservative and defoaming agent (EX-504) into the solution 1 at 65 ℃, and stirring for 60 minutes to form a solution 3;
d: the solution 3 was filtered through a cation exchange resin to give example 9, product 9;
example 10, a low conductivity coolant, comprising the following raw materials in parts by weight (in grams for this example):
45 parts of deionized water, 55 parts of ethylene glycol, 3.4 parts of a multi-effect compound preservative and 0.05 part of a defoaming agent (CK-C149);
wherein the multi-effect compound preservative is polyether, poly-tricarboxylic acid and octadecane dicarboxylic acid, and the weight ratio of polyether to poly-tricarboxylic acid to octadecane dicarboxylic acid is 1: 1.5: 1, mixing to obtain the product;
the polyether structure is as follows:
the structure of the poly-tricarboxylic acid is as follows:
a preparation method of a low-conductivity cooling liquid comprises the following steps:
a: preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-grade water, mixing 45 g of deionized water and 55 g of ethylene glycol at 40 ℃, and stirring for 30 minutes to form a solution 1;
b: under the condition of 65 ℃, 3.4 g of multi-effect preservative, wherein the weight ratio of polyether, poly-tricarboxylic acid and octadecane dicarboxylic acid is 1: 1.5: 1, mixing and stirring for 60 minutes;
c: adding 0.05 g of multi-effect preservative and defoamer (CK-C149) into the solution 1 at 65 ℃, and stirring for 60 minutes to form a solution 3;
d: the solution 3 was filtered through a cation exchange resin to give the product 10 of example 10;
and (3) comparison test:
the comparative product is selected from commercial BASF FCG20 cooling liquid
1. Corrosion test (using test method: ASTM D1384, unit: mg)
Through corrosion tests, the corrosion-resistant steel has a better corrosion-resistant effect on traditional metals, such as red copper, lead brass, steel, iron, soldering tin, zinc, magnesium, nickel and aluminum of various specifications compared with the famous brands on the market, particularly has a good corrosion-resistant effect on metals such as steel, iron, zinc, nickel, magnesium and the like, and has a poor corrosion-resistant effect on metals such as steel, iron, zinc, nickel, magnesium and the like compared with the products.
2. Rubber compatibility (GB/T14832)
Through rubber compatibility tests, the swelling effect of the product disclosed by the invention on various rubbers is small, and the product has a good compatibility with the rubbers.
3. Conductivity test
As can be seen from the above table, the cooling liquid prepared by the invention has the conductivity change amplitude of 0.3-0.7 mu s/cm when the temperature is increased to 50 ℃, and the conductivity of the cooling liquid is far less than that of the basf FC G20 cooling liquid when the temperature is increased to 88 ℃.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (8)
1. The low-conductivity cooling liquid is characterized by comprising the following raw materials in parts by weight: 10-50 parts of deionized water, 50-90 parts of ethylene glycol, 0.01-10 parts of multi-effect compound preservative and 0.001-0.1 part of defoaming agent; the multi-effect compound preservative is prepared from the following components in percentage by mass of 1: (0.1-2): 1, polyether, poly-tricarboxylic acid and dicarboxylic acid; the polyether structure is as follows:
wherein m is 0 to 100, n is 0 to 20, m and n are not zero at the same time, R is1Is hydrogen or C1～C20An alkane of (a); r2Is hydrogen or methyl, R3Is C2～C5Of alkane, R4Is composed of
Wherein r is hydrogen or C1-C6Alkyl, cycloalkyl or aromatic hydrocarbon radicals of (A), R5Is carbon or nitrogen element.
2. The low-conductivity coolant according to claim 1, wherein m is 0 to 50, n is 0 to 10, m and n are not zero at the same time, and R is1Is hydrogen or C1～C10Of (a) an alkane.
3. The low-conductivity coolant according to claim 1, wherein the molecular structural formula of the polytriarboxylic acid is:
4. The low-conductivity coolant according to claim 1, wherein the dicarboxylic acid comprises one or more of sebacic acid, azelaic acid, suberic acid, pimelic acid, adipic acid, undecanedioic acid, dodecanedioic acid, (Z) -9-octadecenedioic acid, hexadecanedioic acid, octadecanedioic acid.
5. The low conductivity coolant of claim 1, wherein said defoaming agent is selected from the group consisting of: one or more of EX-504, EX-505, EX-506, CK-C149, CK-C153, CK-C154 and CK-C155.
6. The low conductivity coolant of claim 1 wherein the deionized water is high purity water and has a conductivity that meets first order water requirements.
7. The low conductivity coolant of claim 1, wherein the glycol is a premium grade.
8. A preparation method of a low-conductivity cooling liquid is characterized by comprising the following steps:
A. preparing deionized water, testing the conductivity of the deionized water to ensure that the conductivity meets the requirement of first-level water, mixing the qualified deionized water with ethylene glycol at the temperature of 20-60 ℃, and stirring for 10-30 minutes to form a solution 1;
b: mixing polyether, poly-tribasic carboxylic acid and dicarboxylic acid in the multi-effect compound preservative according to a certain proportion at the temperature of 50-70 ℃, and stirring for 30-60 minutes;
c: adding a multi-effect compound preservative and a defoaming agent into the solution 1 at the temperature of 50-70 ℃, and stirring for 30-60 minutes to form a solution 3;
d: and filtering the solution 3 through cation exchange resin to obtain the product.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021100776277 | 2021-01-20 | ||
| CN202110077627.7A CN112745809A (en) | 2021-01-20 | 2021-01-20 | Low-conductivity cooling liquid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114231258A true CN114231258A (en) | 2022-03-25 |
Family
ID=75652696
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110077627.7A Withdrawn CN112745809A (en) | 2021-01-20 | 2021-01-20 | Low-conductivity cooling liquid and preparation method thereof |
| CN202111492957.9A Pending CN114231258A (en) | 2021-01-20 | 2021-12-08 | Low-conductivity cooling liquid and preparation method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110077627.7A Withdrawn CN112745809A (en) | 2021-01-20 | 2021-01-20 | Low-conductivity cooling liquid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112745809A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745809A (en) * | 2021-01-20 | 2021-05-04 | 广东石油化工学院 | Low-conductivity cooling liquid and preparation method thereof |
| CN113652210B (en) * | 2021-06-28 | 2024-04-02 | 中国船舶重工集团公司第七一八研究所 | Low-conductivity long-acting cooling liquid and preparation method thereof |
| CN113980657A (en) * | 2021-11-19 | 2022-01-28 | 阿卡姆可(上海)润滑剂有限公司 | Liquid refrigerant and method for applying liquid refrigerant to 5G equipment |
| CN115418202A (en) * | 2022-09-21 | 2022-12-02 | 张家港迪克汽车化学品有限公司 | Low-conductivity cooling liquid and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382008A (en) * | 1980-03-12 | 1983-05-03 | Imperial Chemical Industries Limited | Corrosion inhibitors and compositions containing them |
| JP2000303062A (en) * | 1999-04-20 | 2000-10-31 | Ethylene Chem Kk | Coolant composition |
| CN1872944A (en) * | 2006-06-12 | 2006-12-06 | 北京蓝星精细化工有限责任公司 | Cooling fluid of engine |
| CN112226213A (en) * | 2020-11-11 | 2021-01-15 | 北京中航经天润滑科技有限公司 | Low-conductivity dielectric cooling liquid for ethylene glycol type phased array radar and application thereof |
| CN112745809A (en) * | 2021-01-20 | 2021-05-04 | 广东石油化工学院 | Low-conductivity cooling liquid and preparation method thereof |
-
2021
- 2021-01-20 CN CN202110077627.7A patent/CN112745809A/en not_active Withdrawn
- 2021-12-08 CN CN202111492957.9A patent/CN114231258A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382008A (en) * | 1980-03-12 | 1983-05-03 | Imperial Chemical Industries Limited | Corrosion inhibitors and compositions containing them |
| JP2000303062A (en) * | 1999-04-20 | 2000-10-31 | Ethylene Chem Kk | Coolant composition |
| CN1872944A (en) * | 2006-06-12 | 2006-12-06 | 北京蓝星精细化工有限责任公司 | Cooling fluid of engine |
| CN112226213A (en) * | 2020-11-11 | 2021-01-15 | 北京中航经天润滑科技有限公司 | Low-conductivity dielectric cooling liquid for ethylene glycol type phased array radar and application thereof |
| CN112745809A (en) * | 2021-01-20 | 2021-05-04 | 广东石油化工学院 | Low-conductivity cooling liquid and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112745809A (en) | 2021-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114231258A (en) | Low-conductivity cooling liquid and preparation method thereof | |
| CN101302424B (en) | Anti-freezing fluid | |
| CN101948676A (en) | High reserve alkalinity engine cooling liquid | |
| CN106905932B (en) | Organic engine coolant containing carboxylated graphene and preparation method thereof | |
| CN103666403A (en) | Vehicle engine cooling liquid | |
| CN109762436B (en) | Low-temperature-resistant heat-conducting insulating resin paint suitable for superconducting insulating material and preparation method and application thereof | |
| CN108913106A (en) | A kind of full stress-strain h type engine h coolant liquid | |
| CN102074365A (en) | High-voltage working electrolyte and preparation method thereof | |
| CN103087684A (en) | Computer cooling liquid | |
| CN108257786B (en) | A kind of resistance to big ripple electrolyte for capacitor of contracting body | |
| CN113831901B (en) | Organic acid type heat dissipation liquid for engine and new energy automobile cooling system and preparation method thereof | |
| CN102250592A (en) | Long-acting environmentally-friendly anti-freeze cooling medium of wind powder equipment | |
| CN104021939A (en) | Sparking voltage boosting agent, preparation method thereof and electrolyte of high-voltage electrolytic capacitor | |
| CN111548774A (en) | Cooling liquid for plug-in hybrid electric vehicle and preparation process thereof | |
| US11108102B2 (en) | Coolant | |
| CN114907821B (en) | Special cooling liquid for wind power and preparation method thereof | |
| CN107699208A (en) | Engine coolant and preparation method thereof | |
| CN112521914B (en) | Heat management liquid and preparation method thereof | |
| CN113151831A (en) | Preparation method and application of organic carboxylic acid corrosion inhibition additive | |
| CN107987804A (en) | A kind of antifreeze conductive fluid of wind-powered electricity generation and preparation method thereof | |
| CN113652210B (en) | Low-conductivity long-acting cooling liquid and preparation method thereof | |
| CN107033607A (en) | A kind of corrosion-resistant high-temperature macromolecule electric force compounded grease composition and preparation method thereof | |
| CN102768873A (en) | Conductive grease and preparation method thereof | |
| CN102779645B (en) | A kind of working electrolyte for aluminium electrolytic capacitor and preparation method | |
| CN111778090A (en) | Transformer oil produced by taking palm oil as raw material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |