WO2005052086A1 - 冷却液組成物 - Google Patents
冷却液組成物 Download PDFInfo
- Publication number
- WO2005052086A1 WO2005052086A1 PCT/JP2003/015115 JP0315115W WO2005052086A1 WO 2005052086 A1 WO2005052086 A1 WO 2005052086A1 JP 0315115 W JP0315115 W JP 0315115W WO 2005052086 A1 WO2005052086 A1 WO 2005052086A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- acid
- range
- composition
- strontium
- 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.)
- Ceased
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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
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- 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
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- 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
- C23F11/10—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 organic inhibitors
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- 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
- C23F11/10—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 organic inhibitors
- C23F11/173—Macromolecular compounds
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- 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
- C23F11/187—Mixtures of inorganic inhibitors
- C23F11/188—Mixtures of inorganic inhibitors containing phosphates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
Definitions
- the present invention relates to a coolant composition mainly used for a coolant such as an internal combustion engine. More specifically, the present invention relates to a coolant composition having excellent hard water stability and excellent corrosion prevention of aluminum or aluminum alloy at high temperatures.
- metals such as aluminum, aluminum alloys, iron, steel, brass, solder, and copper have been used in the cooling system of internal combustion engines.
- aluminum or aluminum alloys have been widely used for cooling system components in order to reduce the weight of automobile bodies. These metals corrode on contact with water or air.
- the coolant composition applied to the cooling system of internal combustion engines such as engines must be used to prevent metal corrosion such as phosphates, amine salts, borates, nitrites, gaylates, and organic acids. Agent was included.
- phosphates have been used in many coolant compositions because of their excellent corrosion protection of aluminum or aluminum alloys.
- phosphate reacts with the hard water component to form a precipitate, and when diluted with hard water, a large amount of precipitate is generated.
- the formation of sediment not only reduced the corrosion-prevention function of the coolant, but also caused the generated sediment to accumulate in the circulation path of the cooling system, possibly causing a blockage of the cooling system.
- Borates on the other hand, are corrosive to aluminum or aluminum alloys.Gayates are less stable in liquids and are easier to use when temperature or pH changes, or when other salts coexist. Gels easily and separates, which reduces the corrosion prevention function There was a problem of doing. For amine salts and nitrites, their coexistence in the coolant could produce nitrosamine, which is harmful to the human body.
- any of the known metal corrosion inhibitors effective in preventing aluminum or aluminum alloys have various problems in use, and have excellent corrosion inhibitory properties against aluminum or aluminum alloys.
- the development of the indicated corrosion inhibitor was desired. Therefore, 2-phosphonobutane 1, 2, 4 tricarboxylic acid or a water-soluble salt thereof has been proposed as a corrosion inhibitor for solving such problems.
- This corrosion inhibitor exhibits excellent corrosion protection against contact between dissimilar metals, especially between aluminum alloys, iron and solder, and dissimilar metals. It demonstrates.
- this corrosion inhibitor is a low-poisoning, low-poisoning corrosion inhibitor that is less likely to cause eutrophication of rivers.
- the present applicant has proposed a coolant composition using 2-phosphonobutane 1,2,4 tricarboxylic acid having such excellent functions.
- This cooling liquid composition is characterized by containing phosphate, nitrate, benzoate and triazole together with 2-phosphonobutane 1, 2, 4 tricarboxylic acid or a water-soluble salt thereof ( See Japanese Patent Application Laid-Open No. 7-173653).
- this coolant composition had a problem that the amount of corrosion was large in an aluminum heat transfer surface corrosion test in a high temperature range exceeding 150 ° C. Disclosure of the invention
- the present invention has been made in view of such circumstances, and has excellent hard water stability and excellent corrosion prevention of aluminum or aluminum alloy at high temperatures. It is an object of the present invention to provide a cooling liquid composition.
- the present invention provides a coolant composition containing glycols as a main component, comprising: (a) 0.01 to 5% by weight of a phosphate; To 0.1% by weight of a strontium compound, and (c) 0.01 to 0.5% by weight of an unsaturated monoethylenedicarboxylic acid having 4 to 6 carbon atoms or a salt thereof (hereinafter referred to as monoethylenedicarboxylic acids) And copolymers of unsaturated monoethylene monocarboxylic acids having 4 to 6 carbon atoms or salts thereof (hereinafter referred to as monoethylene monocarboxylic acids), or the above monoethylene dicarboxylic acids and monoethylene monocarboxylic acids
- the gist of the present invention is a coolant composition characterized by containing at least one selected from copoly
- Examples of the daricols that are the main components of the coolant composition of the present invention include ethylene glycol, propylene glycol, 1,3-butylendalcol, hexylene daryl, diethylene glycol, glycerin, and the like.
- ethylene glycol or propylene glycol is desirable from the viewpoint of chemical stability, handleability, price, availability and the like.
- the composition of the present invention contains the three main components (a) to (c) in the main component.
- the three main components (a) to (c) provide excellent hard water stability and high temperature. In this case, the effect of excelling in corrosion prevention of aluminum or aluminum alloys is being derived.
- Examples of the phosphate salt as the component (a) include orthophosphoric acid, pyrophosphoric acid, trimetaphosphoric acid, and tetrametaphosphoric acid. By including one or more of these, aluminum or aluminum Corrosion protection for the alloy will be further improved.
- the content of this phosphate is in the range of 0.01 to 5% by weight.
- strontium compound as the component (b) for example, strontium oxide, strontium hydroxide, strontium chloride, strontium fluoride, strontium iodide, strontium sulfate, strontium nitrate, strontium titanate, strontium borate, strontium tungstate, Strontium phosphate, strontium dihydrogen phosphate, strontium formate, strontium acetate, strontium propionate, strontium butyrate, strontium valerate, strontium laurate, strontium stearate, strontium stearate, strontium stolonate, strontium strontium glutamate Strontium malate, strontium tartrate, strontium maleate Strontium citrate, strontium oxalate, strontium malonate, strontium sebacate, strontium benzoate, strontium fluorate, strontium salicylate, strontium mandelate, etc.,
- the presence of the component (a) in the strontium compound leads to a function of preventing corrosion of aluminum or aluminum alloy at high temperatures.
- the strontium compound is contained in a proportion of 0.0001 to 0.1% by weight. If the content of the strontium compound is less than 0.001% by weight, a sufficient effect of "corrosion protection against aluminum or aluminum alloy at high temperatures" cannot be expected, and the content exceeds 0.1% by weight. In that case, it is not economical to justify the excess.
- Examples of the monoethylenedicarboxylic acids in the polycarboxylic acids and the like as the component (c) include, for example, maleic acid, fumaric acid, itaconic acid, citraconic acid, mesaconic acid, and alkali metal salts and ammonium salts thereof.
- Examples of the monoethylene monocarboxylic acids include acrylic acid, methacrylic acid, ethacrylic acid, vinyl acetic acid, and alkali metal salts and ammonium salts thereof. Can be mentioned.
- Preferred examples of monoethylene dicarboxylic acid polymers and copolymers, monoethylene monocarboxylic acid polymers and copolymers, and monoethylene dicarboxylic acids and monoethylene monocarboxylic acids copolymers include polymaleic acid and polymaleic acid. Acrylic acid and maleic acid / noacrylic acid copolymer can be mentioned.
- polycarboxylic acids and the like have a function of effectively suppressing the precipitation of the reaction between the hard water component and the phosphate contained in the cooling liquid, and have excellent stability upon dilution with hard water. ing.
- polymaleic acid or its sodium, potassium, or ammonium salt has excellent stability when diluted with hard water.
- the molecular weight of the polymer or copolymer in the above-mentioned polycarboxylic acids and the like is preferably 100 to 2000. When the molecular weight is less than 100, sufficient hard water stability cannot be obtained, and when the molecular weight is more than 2000, it becomes difficult to dissolve in the composition.
- the copolymer is in a polymerization form such as random polymerization or block polymerization.
- Polycarboxylic acids and the like are contained in a range of 0.01 to 0.5% by weight, preferably in a range of 0.05 to 0.3% by weight. If the content of polycarboxylic acids is less than 0.01% by weight, the effect of suppressing precipitation is not sufficiently exhibited. If the content is more than 0.5% by weight, the effect of the excess amount is not obtained. It is uneconomical. Desirably, the compositions of the present invention will be in a form that does not contain a gaylate and a borate. This is because borates are corrosive to aluminum or aluminum alloys, and silicates are less stable in liquids, when temperature or pH changes, or when other salts coexist.
- composition of the present invention a form not containing molybdate may be employed. In this case, there is an advantage that the adverse effect of promoting oxidative deterioration of glycols by molybdate can be prevented. Further, the composition of the present invention can also take a form further containing at least one of carboxylic acids or salts thereof having excellent corrosion protection against metals, particularly iron and aluminum-based metals.
- carboxylic acids examples include aliphatic monocarboxylic acids such as acrylic acid, butanoic acid, penic acid, hexanoic acid, heptanoic acid, octanoic acid, 2-ethylhexanoic acid, nonanoic acid, decanoic acid, pentadecanoic acid and dodecanoic acid.
- aliphatic monocarboxylic acids such as acrylic acid, butanoic acid, penic acid, hexanoic acid, heptanoic acid, octanoic acid, 2-ethylhexanoic acid, nonanoic acid, decanoic acid, pentadecanoic acid and dodecanoic acid.
- Aliphatics such as carboxylic acid, oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, piperic acid, suberic acid, azelaic acid, sebacic acid, pendecane diacid, dodecane diacid, brassic acid, and tabutic acid
- Aromatic monocarboxylic acids such as dicarboxylic acid, benzoic acid, P-toluic acid, p-ethylbenzoic acid, P-propylbenzoic acid, p-isopropylbenzoic acid, p-tertbutylbenzoic acid, or alkali metal salts thereof , Amine salts and ammonium salts.
- the content of the carboxylic acid or its salt is preferably in the range of 0.1 to 10% by weight.
- the composition of the present invention can also take a form further containing a nitrate having excellent corrosion inhibitory properties against aluminum oxide.
- Specific examples of the nitrate include sodium nitrate and nitric acid lime.
- the nitrate content is desirably in the range of 0.01 to 1.0% by weight.
- the composition of the present invention can also take a form further containing triazoles or thiazoles having excellent corrosion inhibitory properties against metals, particularly copper-based metals.
- triazoles examples include, for example, benzotriazole, tolyltriazole, 4-phenyl-1,2,3-triazole, 2-naphthotriazole, and 4-nitrobenzotriazole.
- benzothiazole-mercaptobenzothiazole The content of the triazols is preferably in the range of 0.05 to 1.0% by weight, and the content of the thiazoles is preferred. The amount is desirably in the range of 0.01 to 1.0% by weight.
- the composition of the present invention may further contain an antifoaming agent, a coloring agent, and the like in addition to the above components. The invention's effect
- composition of the present invention (a) 0.01 to 5% by weight of a phosphate, (b) 0.0001 to 0.1% by weight of a strontium compound, and (c) 0.01 to 0.1% by weight. Since it contains 0.5% by weight of a polycarboxylic acid and the like, it has an effect of being excellent in hard water stability and also excellent in preventing corrosion of aluminum or aluminum alloy in a high temperature region exceeding, for example, 150 ° C.
- Example 1 and 2 and Comparative Examples 1 to 3 were subjected to a high-temperature metal corrosion test to confirm the change in weight (mgZcm 2 ) of each metal and the presence or absence of abnormalities in appearance. Table 2 shows the results.
- the metal corrosion test is JIS
- Example 1 and 2 and Comparative Examples 1 to 3 were subjected to a high-temperature aluminum heat transfer surface corrosion test to measure the amount of corrosion (mg Z cm 2 ), The presence or absence was checked. Table 3 shows the results.
- the high-temperature aluminum heat transfer surface corrosion test was performed in accordance with the provisions of JISK2324 Aluminum heat transfer surface corrosion. The test temperature was set to 160 ° C. Made of stainless steel.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003304569A AU2003304569A1 (en) | 2003-11-26 | 2003-11-26 | Cooling fluid composition |
| EP03819062A EP1688472A4 (en) | 2003-11-26 | 2003-11-26 | COOLANT LIQUID COMPOSITION |
| PCT/JP2003/015115 WO2005052086A1 (ja) | 2003-11-26 | 2003-11-26 | 冷却液組成物 |
| JP2005510910A JPWO2005052086A1 (ja) | 2003-11-26 | 2003-11-26 | 冷却液組成物 |
| CN200380110750.4A CN1878848A (zh) | 2003-11-26 | 2003-11-26 | 冷却剂组合物 |
| US11/441,550 US20060273283A1 (en) | 2003-11-26 | 2006-05-26 | Coolant composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/015115 WO2005052086A1 (ja) | 2003-11-26 | 2003-11-26 | 冷却液組成物 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/441,550 Continuation-In-Part US20060273283A1 (en) | 2003-11-26 | 2006-05-26 | Coolant composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005052086A1 true WO2005052086A1 (ja) | 2005-06-09 |
Family
ID=34631272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/015115 Ceased WO2005052086A1 (ja) | 2003-11-26 | 2003-11-26 | 冷却液組成物 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20060273283A1 (ja) |
| EP (1) | EP1688472A4 (ja) |
| JP (1) | JPWO2005052086A1 (ja) |
| CN (1) | CN1878848A (ja) |
| AU (1) | AU2003304569A1 (ja) |
| WO (1) | WO2005052086A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006045345A (ja) * | 2004-08-04 | 2006-02-16 | Asahi Denka Kogyo Kk | 不凍液組成物 |
| JP2011012166A (ja) * | 2009-07-01 | 2011-01-20 | Sakamoto Yakuhin Kogyo Co Ltd | 不凍液組成物 |
| JP2024513359A (ja) * | 2021-03-23 | 2024-03-25 | ビーエーエスエフ ソシエタス・ヨーロピア | 改善された温度安定性を有する冷却剤 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003248060A1 (en) | 2003-07-11 | 2005-01-28 | Shishiai-Kabushikigaisha | Cooling fluid composition for fuel battery |
| CN1297623C (zh) * | 2004-07-23 | 2007-01-31 | 中国石油化工股份有限公司 | 一种提高发动机冷却液稳定性的方法 |
| FR2906610B1 (fr) * | 2006-09-29 | 2008-12-12 | Valeo Systemes Thermiques | Fluide et procede de test de corrosion pour un echangeur thermique |
| US9115302B2 (en) | 2012-09-05 | 2015-08-25 | Chevron U.S.A. Inc. | Coolant having rapid metal passivation properties |
| CN103756649B (zh) * | 2014-02-19 | 2016-08-31 | 日出东方太阳能股份有限公司 | 一种用于太阳能热水器的防冻液及其制备方法 |
| CN107629764A (zh) * | 2017-09-04 | 2018-01-26 | 可附特汽车零部件制造(北京)有限公司 | 一种用于四季的防冻液组合物 |
| CN113818020A (zh) * | 2021-08-26 | 2021-12-21 | 暨南大学 | 适用于含氯介质中的镁合金复配缓蚀剂及其制备方法 |
| WO2023104588A1 (en) * | 2021-12-09 | 2023-06-15 | Basf Se | Antifreeze concentrate with corrosion protection and aqueous coolant composition produced therefrom |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02292386A (ja) * | 1989-05-01 | 1990-12-03 | C C I Kk | 冷却液組成物 |
| JP2000239658A (ja) * | 1999-02-22 | 2000-09-05 | Ipposha Oil Ind Co Ltd | 冷却液組成物 |
| EP1081250A1 (en) * | 1999-09-02 | 2001-03-07 | CCI Kabushiki Kaisha | Low phosphorus coolant composition |
| JP2001279235A (ja) * | 2000-03-29 | 2001-10-10 | Cci Corp | 不凍液/冷却液組成物 |
| US6309559B1 (en) * | 1999-07-02 | 2001-10-30 | Clariant Gmbh | Silicate-, borate-and phosphate-free cooling fluids based on glycols and having improved corrosion behavior |
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| US2307577A (en) * | 1941-02-18 | 1943-01-05 | Du Pont | Noncorrosive liquid |
| US2592547A (en) * | 1947-09-15 | 1952-04-15 | A D Cook Inc | Deep-well pump |
| DE2653933A1 (de) * | 1976-11-27 | 1978-06-01 | Henkel Kgaa | Verwendung von cyclohexanhexacarbonsaeure als korrosionsinhibitor fuer brauchwassersysteme |
| US5042986A (en) * | 1989-10-13 | 1991-08-27 | The Dow Chemical Company | Wrinkle resistant cellulosic textiles |
| US5290468A (en) * | 1991-07-23 | 1994-03-01 | Basf Corporation | Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications |
| DE4204809A1 (de) * | 1992-02-18 | 1993-08-19 | Basf Ag | Hartwasserstabile, phosphathaltige kuehlstoffmischungen |
| JPH06116764A (ja) * | 1992-10-07 | 1994-04-26 | Echiren Chem Kk | 不凍液組成物 |
| JP3790860B2 (ja) * | 1996-03-28 | 2006-06-28 | シーシーアイ株式会社 | 冷却液組成物 |
| JP3499090B2 (ja) * | 1996-08-07 | 2004-02-23 | 本田技研工業株式会社 | 燃料電池 |
| US5766506A (en) * | 1996-09-12 | 1998-06-16 | The Dow Chemical Company | Hard water compatible phosphate-containing heat transfer fluids |
| US6585933B1 (en) * | 1999-05-03 | 2003-07-01 | Betzdearborn, Inc. | Method and composition for inhibiting corrosion in aqueous systems |
| MXPA02003473A (es) * | 1999-10-29 | 2002-08-20 | Basf Ag | Concentrados anticongelantes basados en acidos dicarboxilicos, molibdato y triazoles o tiazoles, y composiciones refrigerantes que los comprenden. |
| US6361891B1 (en) * | 1999-12-20 | 2002-03-26 | Utc Fuel Cells, Llc | Direct antifreeze cooled fuel cell power plant system |
| WO2001085616A2 (en) * | 2000-05-05 | 2001-11-15 | Rhodia Consumer Specialties Limited | Scale and corrosion inhibitors |
| JP2002294227A (ja) * | 2001-03-29 | 2002-10-09 | Komatsu Ltd | 不凍液/冷却液組成物 |
| CA2398423C (en) * | 2001-09-04 | 2009-11-10 | Rohm And Haas Company | Corrosion inhibiting compositions |
| JP2005325300A (ja) * | 2004-05-17 | 2005-11-24 | Toyota Motor Corp | 冷却液組成物 |
-
2003
- 2003-11-26 CN CN200380110750.4A patent/CN1878848A/zh active Pending
- 2003-11-26 WO PCT/JP2003/015115 patent/WO2005052086A1/ja not_active Ceased
- 2003-11-26 EP EP03819062A patent/EP1688472A4/en not_active Withdrawn
- 2003-11-26 JP JP2005510910A patent/JPWO2005052086A1/ja active Pending
- 2003-11-26 AU AU2003304569A patent/AU2003304569A1/en not_active Abandoned
-
2006
- 2006-05-26 US US11/441,550 patent/US20060273283A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02292386A (ja) * | 1989-05-01 | 1990-12-03 | C C I Kk | 冷却液組成物 |
| JP2000239658A (ja) * | 1999-02-22 | 2000-09-05 | Ipposha Oil Ind Co Ltd | 冷却液組成物 |
| US6309559B1 (en) * | 1999-07-02 | 2001-10-30 | Clariant Gmbh | Silicate-, borate-and phosphate-free cooling fluids based on glycols and having improved corrosion behavior |
| EP1081250A1 (en) * | 1999-09-02 | 2001-03-07 | CCI Kabushiki Kaisha | Low phosphorus coolant composition |
| JP2001279235A (ja) * | 2000-03-29 | 2001-10-10 | Cci Corp | 不凍液/冷却液組成物 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1688472A4 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006045345A (ja) * | 2004-08-04 | 2006-02-16 | Asahi Denka Kogyo Kk | 不凍液組成物 |
| JP2011012166A (ja) * | 2009-07-01 | 2011-01-20 | Sakamoto Yakuhin Kogyo Co Ltd | 不凍液組成物 |
| JP2024513359A (ja) * | 2021-03-23 | 2024-03-25 | ビーエーエスエフ ソシエタス・ヨーロピア | 改善された温度安定性を有する冷却剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003304569A1 (en) | 2005-06-17 |
| CN1878848A (zh) | 2006-12-13 |
| JPWO2005052086A1 (ja) | 2007-06-21 |
| EP1688472A1 (en) | 2006-08-09 |
| US20060273283A1 (en) | 2006-12-07 |
| EP1688472A4 (en) | 2010-07-07 |
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