CN115521764B - 一种适用于镁合金电驱动系统的环保型复配冷却液 - Google Patents
一种适用于镁合金电驱动系统的环保型复配冷却液 Download PDFInfo
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- CN115521764B CN115521764B CN202211369837.4A CN202211369837A CN115521764B CN 115521764 B CN115521764 B CN 115521764B CN 202211369837 A CN202211369837 A CN 202211369837A CN 115521764 B CN115521764 B CN 115521764B
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- 239000000110 cooling liquid Substances 0.000 title claims abstract description 48
- 150000001875 compounds Chemical class 0.000 title claims abstract description 30
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 25
- 238000005260 corrosion Methods 0.000 claims abstract description 40
- 230000007797 corrosion Effects 0.000 claims abstract description 38
- 239000013530 defoamer Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003112 inhibitor Substances 0.000 claims abstract description 14
- -1 magnesium alloy Chemical class 0.000 claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003086 colorant Substances 0.000 claims abstract description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 37
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims description 32
- 229910021538 borax Inorganic materials 0.000 claims description 18
- 229960004063 propylene glycol Drugs 0.000 claims description 18
- 239000004328 sodium tetraborate Substances 0.000 claims description 18
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 18
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 17
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 14
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims description 14
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 14
- 239000012964 benzotriazole Substances 0.000 claims description 14
- 235000010413 sodium alginate Nutrition 0.000 claims description 14
- 239000000661 sodium alginate Substances 0.000 claims description 14
- 229940005550 sodium alginate Drugs 0.000 claims description 14
- 229940075554 sorbate Drugs 0.000 claims description 14
- WSWCOQWTEOXDQX-MQQKCMAXSA-M (E,E)-sorbate Chemical compound C\C=C\C=C\C([O-])=O WSWCOQWTEOXDQX-MQQKCMAXSA-M 0.000 claims description 13
- 239000004115 Sodium Silicate Substances 0.000 claims description 12
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011684 sodium molybdate Substances 0.000 claims description 12
- 235000015393 sodium molybdate Nutrition 0.000 claims description 12
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 12
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 12
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 11
- 235000010241 potassium sorbate Nutrition 0.000 claims description 11
- 239000004302 potassium sorbate Substances 0.000 claims description 11
- 229940069338 potassium sorbate Drugs 0.000 claims description 11
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims description 10
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004283 Sodium sorbate Substances 0.000 claims description 3
- MCFVRESNTICQSJ-RJNTXXOISA-L calcium sorbate Chemical compound [Ca+2].C\C=C\C=C\C([O-])=O.C\C=C\C=C\C([O-])=O MCFVRESNTICQSJ-RJNTXXOISA-L 0.000 claims description 3
- 235000010244 calcium sorbate Nutrition 0.000 claims description 3
- 239000004303 calcium sorbate Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- LROWVYNUWKVTCU-STWYSWDKSA-M sodium sorbate Chemical compound [Na+].C\C=C\C=C\C([O-])=O LROWVYNUWKVTCU-STWYSWDKSA-M 0.000 claims description 3
- 235000019250 sodium sorbate Nutrition 0.000 claims description 3
- BELBBZDIHDAJOR-UHFFFAOYSA-N Phenolsulfonephthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2S(=O)(=O)O1 BELBBZDIHDAJOR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004111 Potassium silicate Substances 0.000 claims description 2
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 2
- 239000011609 ammonium molybdate Substances 0.000 claims description 2
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 2
- 229940010552 ammonium molybdate Drugs 0.000 claims description 2
- 125000005997 bromomethyl group Chemical group 0.000 claims description 2
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052912 lithium silicate Inorganic materials 0.000 claims description 2
- CEQFOVLGLXCDCX-WUKNDPDISA-N methyl red Chemical compound C1=CC(N(C)C)=CC=C1\N=N\C1=CC=CC=C1C(O)=O CEQFOVLGLXCDCX-WUKNDPDISA-N 0.000 claims description 2
- 229960003531 phenolsulfonphthalein Drugs 0.000 claims description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- 150000002739 metals Chemical class 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 description 13
- 238000003756 stirring Methods 0.000 description 13
- 230000005764 inhibitory process Effects 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000007710 freezing Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910001369 Brass Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000010951 brass Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005536 corrosion prevention Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 1
- 229940020947 fluorescein sodium Drugs 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- ZSMRTTMJRRECKC-RJNTXXOISA-L magnesium;(2e,4e)-hexa-2,4-dienoate Chemical compound [Mg+2].C\C=C\C=C\C([O-])=O.C\C=C\C=C\C([O-])=O ZSMRTTMJRRECKC-RJNTXXOISA-L 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229940083037 simethicone Drugs 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- PHIQPXBZDGYJOG-UHFFFAOYSA-N sodium silicate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-][Si]([O-])=O PHIQPXBZDGYJOG-UHFFFAOYSA-N 0.000 description 1
- FIWQZURFGYXCEO-UHFFFAOYSA-M sodium;decanoate Chemical compound [Na+].CCCCCCCCCC([O-])=O FIWQZURFGYXCEO-UHFFFAOYSA-M 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- 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
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
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- 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
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
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- C23F11/173—Macromolecular compounds
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- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
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- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
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Abstract
本发明公开了一种适用于镁合金电驱动系统的环保型复配冷却液，其由下述重量配比的原料组成：醇类基液45份‑60份、去离子水40份‑55份、缓蚀剂5份‑10份、消泡剂0.8份‑2份、pH调节剂0.8份‑3份、着色剂0.08份‑1份。本发明的复配冷却液对镁合金等多种金属具有优异的防腐蚀性能，且绿色、安全，适用于新能源汽车镁合金电驱动系统温控系统。
Description
技术领域
本发明属于冷却液技术领域，具体涉及一种对镁合金具有优异的防腐蚀性能、可适用于镁合金电驱动系统的多种功能环保型复配冷却液。
背景技术
随着汽车行业的发展，由于传统的汽车车身的钢结构偏重、工艺复杂，从汽车轻量化的角度出发，越来越多的厂商聚焦于镁合金的使用，以达到减重的目的。
镁合金是已知最轻的工程金属材料，具有密度小、强度高、弹性模量大、散热好、承受冲击载荷能力大、可铸造性强、尺寸稳定性好、电磁屏蔽性强、全回收无污染等诸多优点，被誉为“21世纪绿色工程材料”。新能源汽车迅猛发展对轻量化也提出了更高的要求，轻量化能够为新能源汽车带来长续航里程，为动力电池带来更高的能量密度。如驱动电机以镁替代铝可以降低重量15kg-20kg。以镁代铝的新能源汽车续航里程更强，缓解里程焦虑的同时减少碳排放、减少制动距离等优势。但是新能源汽车驱动电机因接触到冷却液而必须考虑冷却液对接触金属的防腐蚀性能。目前以镁代铝最大的制约因素是接触镁合金的冷却液的防腐蚀性能的技术攻关。
针对冷却液尤其是发动机冷却液对金属腐蚀已开展了大量的研究，解决了紫铜、黄铜、铁、焊锡、铸铝等多金属共存下的金属腐蚀问题。如专利CN105647487A中提供了一种由水500份-700份、甲酸钠40-60份、硼砂5-15份、钼酸钾0.2份-1.5份、辛二酸0.5份-1.5份、癸酸钠1份-10份、硝酸钠0.5份-1.5份、苯三唑0.5份-1.5份、氢氧化钠1份-3份、九水偏硅酸钠1份-3份、1,2-丙二醇200份-400份、丙三醇50份-100份、荧光素钠0.001份-0.008份、二甲基硅油0.01份-0.08份、氯化镧0.05份-0.15份、螯合剂0.05份-0.15份、硅酸盐稳定剂0.1份-0.5份制成的发动机冷却液，克服了传统含水冷却液存在的易“开锅”的技术缺陷，对紫铜、黄铜、铸铁、钢、焊锡及铸铝有很好的防腐蚀性能，同时具备导热、防冻、缓蚀等性能，但是无法适用于镁合金构件的防腐蚀环境。
在冷却液领域尤其是新能源汽车用冷却液领域，还未见针对镁合金驱动电机液冷提出的防腐蚀方案。因此，亟待提出一种适用于镁合金电驱动系统的环保型复配冷却液，推动镁合金材料在新能源汽车驱动电机上使用，进而为新能源汽车轻量化提供可行的解决方案。
发明内容
本发明的目的在于提出一种具有缓蚀、冷却、防冻、防腐、防沸等多种功能，且适用于镁合金电驱动系统的环保型复配冷却液。
本发明为实现目的，采用如下技术方案：
一种适用于镁合金电驱动系统的环保型复配冷却液，其由下述重量配比的原料组成：醇类基液45份-60份、去离子水40份-55份、缓蚀剂5份-10份、消泡剂0.8份-2份、pH调节剂1份-5份、着色剂0.08份-1份。
进一步地：所述醇类基液包括1,2丙二醇和1,3丙二醇，还包括双丙甘醇和聚乙二醇中的至少一种。所述缓蚀剂包括山梨酸盐，还包括硅酸盐、钼酸盐、三唑类化合物、油酸钠和海藻酸钠中的一种或多种混合，且所述山梨酸盐占所述缓蚀剂总质量的40～70％。所述消泡剂选用XIAMETERAFE-1410。所述pH调节剂为硼砂。所述着色剂为活性紫5、溴甲蓝、酚红、甲基红、荧光绿和荧光红中的一种或多种混合。
更进一步地：所述山梨酸盐选自山梨酸钾、山梨酸钠和山梨酸钙中的一种或多种混合。所述硅酸盐选自硅酸锂、硅酸钾和硅酸钠中的一种或多种混合。所述钼酸盐选自钼酸钠、钼酸钾和钼酸铵中的一种或多种混合。所述三唑类化合物选自苯并三氮唑、巯基苯并噻唑和甲基苯并三氮唑中的一种或多种混合。
与已有技术相比，本发明的有益效果体现在：
1、本发明的复配冷却液对镁合金等多种金属具有优异的防腐蚀性能，同时具有防冻、冷却、防沸等良好性能。
2、本发明复配冷却液的配方中采用山梨酸盐、硅酸盐、钼酸盐、丙二醇、双丙甘醇、聚乙二醇等相对安全绿色的盐溶液及醇类物质，具有良好的生物可降解性，绿色、安全，适用于新能源汽车镁合金电驱动系统温控系统。
3、本发明的复配冷却液考虑了各组分的化学性质，通过硼砂平衡pH值为7.5左右，具有极好的防腐蚀效果，尤其是对镁合金具有优异的防腐蚀性能。
4、本发明的复配冷却液的缓蚀机理是：1)山梨酸盐中的疏水性羧酸根离子能够很容易地向镁合金金属分子的空d轨道提供电子，由于山梨酸盐氧原子与镁相互作用结合成电子孤对，形成了非常稳定的山梨酸镁络合物并在合金表面形成一层致密的薄膜，该薄膜与合金螯合作用的强度随着山梨酸盐在溶液中离子浓度及合金浸泡时间的增加而增加，在较高浓度下其缓蚀效率可达99.6％。2)冷却液中的硅酸盐、钼酸盐、三唑类化合物、油酸钠、海藻酸钠等其余组分对于不同金属如铁、铝合金等具有良好的缓蚀效果，将山梨酸盐与这些组分进行复配，利用缓蚀剂组分之间的协同作用进一步加强缓蚀效果，其缓蚀性能更加优异。
具体实施方式
以下实施例用于说明本发明，但不用来限制本发明的范围；下述实施例中所使用的实验方法如无特殊说明，均为常规方法；下述实施例中所用的材料、试剂等，如无特殊说明，均可从商业途径得到。
实施例1
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钾3份、苯并三氮唑1.2份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
实施例2
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钾4份、苯并三氮唑1.2份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
实施例3
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钾5份、苯并三氮唑1.2份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
实施例4
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钠3份、苯并三氮唑1.2份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
实施例5
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钙3份、苯并三氮唑1.2份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
实施例6
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇25份、1,3丙二醇25份、双丙甘醇5份、聚乙二醇5份、山梨酸钾5份、苯并三氮唑1.2份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水40份。
实施例7
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇25份、1,3丙二醇25份、双丙甘醇5份、聚乙二醇5份、山梨酸钾5份、苯并三氮唑0.4份、巯基苯并噻唑0.4份、甲基苯并三氮唑0.4份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水40份。
对比例1(无缓蚀剂)
本对比例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
对比例2(缓蚀剂仅有山梨酸盐，且加入份数为3份)
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钾3份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
对比例3(缓蚀剂仅有山梨酸盐，且加入份数为4份)
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钾4份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
对比例4(缓蚀剂仅有山梨酸盐，且加入份数为5份)
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇20份、1,3丙二醇20份、双丙甘醇5份、山梨酸钾5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水50份。
对比例5(缓蚀剂为苯并三氮唑与硅酸盐、钼酸盐等的混合物)
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇25份、1,3丙二醇25份、双丙甘醇5份、聚乙二醇5份、苯并三氮唑1.2份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水40份。
对比例6(缓蚀剂为三唑类化合物与硅酸盐、钼酸盐等的混合物)
本实施例的环保型复配冷却液，由下述重量配比的原料混合并搅拌均匀获得：
1,2丙二醇25份、1,3丙二醇25份、双丙甘醇5份、聚乙二醇5份、苯并三氮唑0.4份、巯基苯并噻唑0.4份、甲基苯并三氮唑0.4份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETERAFE-1410共1.2份、去离子水40份。
利用BF-76A发动机冷却液腐蚀测定器，对实施例和对比例的冷却液按照SH/T0085-1991实验方法中的钢、黄铜、紫铜、铸铁、焊锡、铸铝外加镁合金金属试片及其清洗方法进行测试，分别称量后将七种试件的试验面在88±2℃、不同实施例与对比例的冷却液浸泡的条件下试验336h±2h，洗净后称量计算出样品在试验前后试件质量的变化值，从而直观得出各类金属腐蚀情况，从而评价冷却液的缓蚀效果，前后重量检测结果如表1所示：
表1：金属腐蚀量数据表
由表1可知，本发明的冷却液对钢、黄铜、紫铜、铸铁、焊锡、铸铝、镁合金金等金属均具有良好的缓蚀效果，且实施例7所提供的复配配方缓蚀效果最为突出。
利用fluconALMBDAThermal Conductively Meter实验仪，对实施例和对比例的冷却液分别设置起始温度、最高温度及温度梯度，得出其在20℃下的热导率；依据SH/T 0090实验方法，利用BF-26C-A发动机冷却液冰点自动测定器测定其冰点，上述测得的热导率及冰点如表2所示：
表2冷却液冰点及热导率
由表2可知，本发明的冷却液具有较大的比热容、较为稳定的热导率，因此具有较好的防冻、冷却功能，这使其更容易在更复杂的工况下使用。
综合上述数据来看，本发明公开的一种适用于镁合金电驱动系统的环保型复配冷却液，其具有常规冷却液较为优异的工作性能，且在镁合金缓蚀方面具有突出的独特优势。
虽然上文中已经用一般性说明及具体实施方案对本发明作了详尽的描述，但在本发明基础上，可以对之作一些修改或改进，这对本领域技术人员而言是显而易见的。因此在不偏离本发明精神的基础上所做的这些修改或改进，均属于本发明要求保护的范围。
Claims (8)
1.一种环保型复配冷却液在镁合金电驱动系统中的应用，其特征在于，所述环保型复配冷却液由下述重量配比的原料组成：
醇类基液45份-60份、去离子水40份-55份、缓蚀剂5份-10份、消泡剂0.8份-2份、pH调节剂0.8份-3份、着色剂0.08份-1份；
所述醇类基液由1,2丙二醇、1,3丙二醇、双丙甘醇和聚乙二醇组成；
所述缓蚀剂由山梨酸盐、硅酸盐、钼酸盐、三唑类化合物、油酸钠和海藻酸钠组成，且所述山梨酸盐占所述缓蚀剂总质量的40~70%。
2.根据权利要求1所述的应用，其特征在于：所述消泡剂为XIAMETER AFE-1410，所述pH调节剂为硼砂。
3.根据权利要求1所述的应用，其特征在于：所述着色剂为活性紫5、溴甲蓝、酚红、甲基红、荧光绿和荧光红中的至少一种。
4.根据权利要求1所述的应用，其特征在于：所述山梨酸盐选自山梨酸钾、山梨酸钠和山梨酸钙中的一种或多种混合。
5.根据权利要求1所述的应用，其特征在于：所述硅酸盐选自硅酸锂、硅酸钾和硅酸钠中的一种或多种混合。
6.根据权利要求1所述的应用，其特征在于：所述钼酸盐选自钼酸钠、钼酸钾和钼酸铵中的一种或多种混合。
7.根据权利要求1所述的应用，其特征在于：所述三唑类化合物选自苯并三氮唑、巯基苯并噻唑和甲基苯并三氮唑中的一种或多种混合。
8.根据权利要求1所述的应用，其特征在于，所述环保型复配冷却液由下述重量配比的原料组成： 1,2丙二醇25份、1,3丙二醇25份、双丙甘醇5份、聚乙二醇5份、山梨酸钾5份、苯并三氮唑0.4份、巯基苯并噻唑0.4份、甲基苯并三氮唑0.4份、硅酸钠0.5份、钼酸钠0.5份、油酸钠0.5份、海藻酸钠0.5份、硼砂1份、活性紫5共0.1份、消泡剂XIAMETER AFE-1410共1.2份、去离子水40份。
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