CN102703026A - Automobile water tank plugging agent and preparation method thereof - Google Patents
Automobile water tank plugging agent and preparation method thereof Download PDFInfo
- Publication number
- CN102703026A CN102703026A CN2012100077911A CN201210007791A CN102703026A CN 102703026 A CN102703026 A CN 102703026A CN 2012100077911 A CN2012100077911 A CN 2012100077911A CN 201210007791 A CN201210007791 A CN 201210007791A CN 102703026 A CN102703026 A CN 102703026A
- Authority
- CN
- China
- Prior art keywords
- plugging agent
- radiator
- agent according
- percent
- water
- 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.)
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Links
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 3
- 239000000843 powder Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 230000018044 dehydration Effects 0.000 claims abstract description 13
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 13
- 239000003112 inhibitor Substances 0.000 claims abstract description 13
- 239000000314 lubricant Substances 0.000 claims abstract description 13
- 239000000049 pigment Substances 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 230000000855 fungicidal effect Effects 0.000 claims abstract description 3
- 239000003899 bactericide agent Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 12
- 239000004848 polyfunctional curative Substances 0.000 claims description 12
- 239000003352 sequestering agent Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- LXAHHHIGZXPRKQ-UHFFFAOYSA-N 5-fluoro-2-methylpyridine Chemical compound CC1=CC=C(F)C=N1 LXAHHHIGZXPRKQ-UHFFFAOYSA-N 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 claims description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910021538 borax Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 239000008104 plant cellulose Substances 0.000 claims description 2
- 239000003755 preservative agent Substances 0.000 claims description 2
- 230000002335 preservative effect Effects 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 2
- 239000004328 sodium tetraborate Substances 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 229960004418 trolamine Drugs 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 239000002612 dispersion medium Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 208000005156 Dehydration Diseases 0.000 abstract 1
- 230000002528 anti-freeze Effects 0.000 abstract 1
- 239000002738 chelating agent Substances 0.000 abstract 1
- 239000012809 cooling fluid Substances 0.000 abstract 1
- 239000000417 fungicide Substances 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an automobile water tank plugging agent and a preparation method thereof. The automobile water tank plugging agent consists of the following raw materials in percentage by mass: 5 to 30 percent of filling powder, 0.01 to 1 percent of tinting pigment, 0.5 to 5 percent of dehydration curing agent, 1 to 20 percent of antifreeze, 0.1 to 1 percent of anti-corrosion fungicide, 1 to 5 percent of chelating agent, 2 to 10 percent of lubricating agent, 0.1 to 2 percent of metal corrosion inhibitor and 40 to 80 percent of deionized water. The automobile water tank plugging agent has the advantages that the leakage is rapidly repaired and leakage is prevented and long retention time is long, can be compatible with all types of automotive cooling fluids, does not plug radiator pipelines and is harmless to various metal and rubber parts.
Description
Technical field
The present invention discloses a kind of plugging agent, and concrete a kind of radiator that relates to exempts to tear open plugging agent.
Background technology
Car radiator is commonly called as radiator, is the vitals of engine-cooling system.Radiator adopts nonferrous materials manufacturings such as copper, duraluminum mostly, and the radiating pipe wall thickness is thinner, is generally 0.15-0.20mm.Because water tank receives the impact and the corrosion of quench liquid for a long time, add the mechanical vibration and the external bump of vehicle driving, crack or hole can occur, so that the water tank quench liquid is leaked the work of influence or interruption mover.Especially the automobile of long-distance transport, the engineering truck of field work run into water tank and leak, because the scene does not have soldering equipment, the driver feels simply helpless, and vehicle can only stagnation of movement.
It is that the water tank quench liquid is bled off that radiator leaks traditional method for maintaining, pulls down water tank and carries out soldering, and rosin joint must be done over again sometimes; Complex operation; Exist leakage point to seek difficulty, problem that can not disposable whole mending-leakages causes the waste of manpower and materials to influence vehicle transport again.
The present invention discloses a kind of water tank agent to rapidly block up leakage, has overcome the shortcoming of above-mentioned traditional soldering, is effective fast blockage method.
Summary of the invention
The purpose of this invention is to provide a kind of mending-leakage fast and automatically, manipulate easyly, the mending-leakage effect time is long, and production technique is simple, cheap radiator plugging agent and method of manufacture thereof.
The present invention includes following component: powder filler, tinting pigment, dehydration hardener, frostproofer, anticorrosion and bactericidal agent, sequestrant, lubricant, metal inhibitor, deionized water.The mass percent of each component is:
Powder filler 5-30%
Tinting pigment 0.01-1%
Dehydration hardener 0.5-5%
Frostproofer 1-20%
Anticorrosion and bactericidal agent 0.1-1%
Sequestrant 1-5%
Lubricant 2-10%
Metal inhibitor 0.1-2%
Deionized water 40-80%.
Described powder filler can be one or more in the middle of plant cellulose, talcum powder, copper bronze, aluminium powder, the wilkinite.
Described tinting pigment can be a water-soluble indigo plant, water-soluble red, water-soluble green a kind of.
Described dehydration hardener can be one or both of water-soluble gum powder, water soluble starch.
Described frostproofer can be a kind of of terepthaloyl moietie, Ucar 35, glycol ether.
Described anticorrosion and bactericidal agent can be RH-893 thing or wide spectrum class fungicidal preservative.
Described sequestrant can be the EDTA disodium.
Described lubricant can be fatty soap.
Described metal inhibitor can be a kind of of trolamine, borax, Sodium Benzoate or organic composite type inhibiter or several.
The preparation method of radiator plugging agent of the present invention is: by mass percentage deionized water, frostproofer are dropped in the reaction kettle; Under 300-1000 rev/min rotating speed stirs; Powder filler, tinting pigment, dehydration hardener are dropped in the reaction kettle, disperseed 15-20 minute; Under 800-1200 rev/min rotating speed, drop into anticorrosion and bactericidal agent, sequestrant, lubricant, metal inhibitor, disperseed 15-20 minute, process base-material, after filtering with 60 mesh filter screens, promptly get product of the present invention.
The method of use of radiator plugging agent of the present invention is: before using this plugging agent is shaken up; Starting engine rises to normal temps (85-90 ℃), guarantees that thermostat and heating installation open; In the 5-25L water tank, add a plugging agent of the present invention; Under the situation that heating installation is opened, running of an engine can take effect in 3 minutes.
Water tank plugging agent of the present invention can be used for various vehicles and oil engine and sealed circulating cooling system.It has the following advantages.
1. leak stopping is quick, with plugging agent of the present invention put into crack or leak 2mm with interior water tank in the middle of, behind the starting engine about 3 minutes, crack or leak will automatic leakage-blockings, and remain valid for a long time.
2. plugging agent of the present invention can not stop up the scatterer pipeline, and to various metals, rubber components is harmless.
3. plugging agent of the present invention is compatible with all types of quench liquid, and water tank is also had leakproof, scale removal, lubricated, rust inhibition.
Embodiment
Embodiment 1
A kind of radiator plugging agent, each component and mass percent:
Powder filler 18%
Tinting pigment 0.2%
Dehydration hardener 3.5%
Frostproofer 16%
Anticorrosion and bactericidal agent 0.2%
Sequestrant 3%
Lubricant 2%
Metal inhibitor 1.5%
Deionized water 55.6%.
Preparing method: by above mass percent deionized water, frostproofer are dropped in the reaction kettle, under 300-1000 rev/min rotating speed stirs, powder filler, tinting pigment, dehydration hardener are dropped in the reaction kettle, disperseed 15-20 minute; Under 800-1200 rev/min rotating speed, drop into anticorrosion and bactericidal agent, sequestrant, lubricant, metal inhibitor, disperseed 15-20 minute, process base-material, after filtering with 60 mesh filter screens, promptly get product of the present invention.
Embodiment 2
A kind of radiator plugging agent, each component and mass percent:
Powder filler 26%
Tinting pigment 0.5%
Dehydration hardener 2.5%
Frostproofer 14%
Anticorrosion and bactericidal agent 0.15%
Sequestrant 3.5%
Lubricant 2.5%
Metal inhibitor 1.2%
Deionized water 49.65%.
Preparing method: by above mass percent deionized water, frostproofer are dropped in the reaction kettle, under 300-1000 rev/min rotating speed stirs, powder filler, tinting pigment, dehydration hardener are dropped in the reaction kettle, disperseed 15-20 minute; Under 800-1200 rev/min rotating speed, drop into anticorrosion and bactericidal agent, sequestrant, lubricant, metal inhibitor, disperseed 15-20 minute, process base-material, after filtering with 60 mesh filter screens, promptly get product of the present invention.
Embodiment 3
A kind of radiator plugging agent, each component and mass percent:
Powder filler 22%
Tinting pigment 0.8%
Dehydration hardener 3.5%
Frostproofer 18%
Anticorrosion and bactericidal agent 0.25%
Sequestrant 2.5%
Lubricant 3.5%
Metal inhibitor 1.8%
Deionized water 47.65%.
Preparing method: by above mass percent deionized water, frostproofer are dropped in the reaction kettle, under 300-1000 rev/min rotating speed stirs, powder filler, tinting pigment, dehydration hardener are dropped in the reaction kettle, disperseed 15-20 minute; Under 800-1200 rev/min rotating speed, drop into anticorrosion and bactericidal agent, sequestrant, lubricant, metal inhibitor, disperseed 15-20 minute, process base-material, after filtering with 60 mesh filter screens, promptly get product of the present invention.
Claims (10)
1. radiator plugging agent; It is characterized in that, comprise following component: powder filler 5-30%, tinting pigment 0.01-1%, dehydration hardener 0.5-5%, frostproofer 1-20%, anticorrosion and bactericidal agent 0.1-1%, sequestrant 1-5%, lubricant 2-10%, metal inhibitor 0.1-2%, deionized water 40-80%.
2. a kind of radiator plugging agent according to claim 1, it is characterized in that powder filler can be plant cellulose, talcum powder, copper bronze, aluminium powder, bentonitic a kind of or several.
3. a kind of radiator plugging agent according to claim 1 is characterized in that metal inhibitor can be a kind of of trolamine, borax, Sodium Benzoate or organic composite type inhibiter or several.
4. a kind of radiator plugging agent according to claim 1 is characterized in that dehydration hardener can be one or both of water-soluble gum powder, water soluble starch.
5. a kind of radiator plugging agent according to claim 1 is characterized in that frostproofer can be a kind of of terepthaloyl moietie, Ucar 35, glycol ether.
6. a kind of radiator plugging agent according to claim 1 is characterized in that anticorrosion and bactericidal agent can be RH-893 thing or wide spectrum class fungicidal preservative.
7. a kind of radiator plugging agent according to claim 1 is characterized in that sequestrant can be the EDTA disodium.
8. a kind of radiator plugging agent according to claim 1 is characterized in that lubricant can be fatty soap.
9. a kind of radiator plugging agent according to claim 1 is characterized in that tinting pigment can be a water-soluble indigo plant, water-soluble red, water-soluble green a kind of.
10. a kind of radiator plugging agent according to claim 1 is characterized in that with the deionized water being dispersion medium, and the formation solution system carries out the leakage detection mending-leakage in the middle of being dispersed in the water tank quench liquid more quickly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100077911A CN102703026A (en) | 2012-01-12 | 2012-01-12 | Automobile water tank plugging agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100077911A CN102703026A (en) | 2012-01-12 | 2012-01-12 | Automobile water tank plugging agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102703026A true CN102703026A (en) | 2012-10-03 |
Family
ID=46896087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100077911A Pending CN102703026A (en) | 2012-01-12 | 2012-01-12 | Automobile water tank plugging agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102703026A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468201A (en) * | 2013-09-26 | 2013-12-25 | 麦特汽车服务股份有限公司 | Leak stopping agent for cooling system without disassembly |
| CN107033843A (en) * | 2017-04-21 | 2017-08-11 | 南宁市钱隆汽车租赁有限公司 | Leak-stoppage agent for radiator |
| CN111855095A (en) * | 2020-09-02 | 2020-10-30 | 英德市东顺精细化工实业有限公司 | Anti-freezing type gas leakage detection aerosol and preparation method thereof |
| CN112646554A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Cooling liquid for food processing equipment and preparation method thereof |
| CN116574490A (en) * | 2023-05-11 | 2023-08-11 | 江苏耀扬新能源科技有限公司 | A fuel cell coolant with self-maintenance and plugging function and its preparation method |
| GB2629411A (en) * | 2023-04-27 | 2024-10-30 | Origin Tech Ltd | Method of sealing a fluid leakage path |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984507A (en) * | 1974-11-25 | 1976-10-05 | Nalco Chemical Company | Use of acrylamide polymers as a stopleak in closed cooling systems |
| US4348235A (en) * | 1980-06-27 | 1982-09-07 | Tri-X Corporation | Stop-leak composition for automobile cooling systems and the like |
| US4662940A (en) * | 1984-02-22 | 1987-05-05 | Tri-X Corporation | Sealant composition and leak detector for automobile cooling systems and the like |
| CN86105152A (en) * | 1986-08-18 | 1988-05-11 | 韩毓丽 | Agent to rapidly block up leakage in radiator |
| US4765629A (en) * | 1986-12-11 | 1988-08-23 | Mario Boiardi | Sealing system for combustible engines and the like |
| CN1051382A (en) * | 1990-11-02 | 1991-05-15 | 付新林 | Radiator fuel tank internal rubber-patching and preparation method thereof |
| CN1097207A (en) * | 1994-03-09 | 1995-01-11 | 河南省华豫科技实业总公司 | Agent for stopping-leaks and scaling of water tank |
| US5391224A (en) * | 1994-07-08 | 1995-02-21 | Fre-Bar Inc. | Aqueous-based stop-leak formulation |
| CN101195736A (en) * | 2006-12-06 | 2008-06-11 | 张文起 | Automatic and rapid leakage compensating agent for automobile water tank |
-
2012
- 2012-01-12 CN CN2012100077911A patent/CN102703026A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984507A (en) * | 1974-11-25 | 1976-10-05 | Nalco Chemical Company | Use of acrylamide polymers as a stopleak in closed cooling systems |
| US4348235A (en) * | 1980-06-27 | 1982-09-07 | Tri-X Corporation | Stop-leak composition for automobile cooling systems and the like |
| US4662940A (en) * | 1984-02-22 | 1987-05-05 | Tri-X Corporation | Sealant composition and leak detector for automobile cooling systems and the like |
| CN86105152A (en) * | 1986-08-18 | 1988-05-11 | 韩毓丽 | Agent to rapidly block up leakage in radiator |
| US4765629A (en) * | 1986-12-11 | 1988-08-23 | Mario Boiardi | Sealing system for combustible engines and the like |
| CN1051382A (en) * | 1990-11-02 | 1991-05-15 | 付新林 | Radiator fuel tank internal rubber-patching and preparation method thereof |
| CN1097207A (en) * | 1994-03-09 | 1995-01-11 | 河南省华豫科技实业总公司 | Agent for stopping-leaks and scaling of water tank |
| US5391224A (en) * | 1994-07-08 | 1995-02-21 | Fre-Bar Inc. | Aqueous-based stop-leak formulation |
| CN101195736A (en) * | 2006-12-06 | 2008-06-11 | 张文起 | Automatic and rapid leakage compensating agent for automobile water tank |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468201A (en) * | 2013-09-26 | 2013-12-25 | 麦特汽车服务股份有限公司 | Leak stopping agent for cooling system without disassembly |
| CN103468201B (en) * | 2013-09-26 | 2015-08-05 | 麦特汽车服务股份有限公司 | A kind of cooling system does not disintegrate Leak-stoppage agent |
| CN107033843A (en) * | 2017-04-21 | 2017-08-11 | 南宁市钱隆汽车租赁有限公司 | Leak-stoppage agent for radiator |
| CN112646554A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Cooling liquid for food processing equipment and preparation method thereof |
| CN112646554B (en) * | 2019-10-12 | 2022-06-07 | 中国石油化工股份有限公司 | Cooling liquid for food processing equipment and preparation method thereof |
| CN111855095A (en) * | 2020-09-02 | 2020-10-30 | 英德市东顺精细化工实业有限公司 | Anti-freezing type gas leakage detection aerosol and preparation method thereof |
| GB2629411A (en) * | 2023-04-27 | 2024-10-30 | Origin Tech Ltd | Method of sealing a fluid leakage path |
| CN116574490A (en) * | 2023-05-11 | 2023-08-11 | 江苏耀扬新能源科技有限公司 | A fuel cell coolant with self-maintenance and plugging function and its preparation method |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20121003 |