RU97106362A - METHOD OF REMOVING OXIDES AND IRON HYDROXIDES FROM SURFACE OF STEEL PRODUCTS - Google Patents
METHOD OF REMOVING OXIDES AND IRON HYDROXIDES FROM SURFACE OF STEEL PRODUCTSInfo
- Publication number
- RU97106362A RU97106362A RU97106362/02A RU97106362A RU97106362A RU 97106362 A RU97106362 A RU 97106362A RU 97106362/02 A RU97106362/02 A RU 97106362/02A RU 97106362 A RU97106362 A RU 97106362A RU 97106362 A RU97106362 A RU 97106362A
- Authority
- RU
- Russia
- Prior art keywords
- dioxyalkyl
- esters
- acid
- alkyl
- maleic
- Prior art date
Links
- 235000014413 iron hydroxide Nutrition 0.000 title 1
- 150000002148 esters Chemical class 0.000 claims 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 6
- 125000000217 alkyl group Chemical group 0.000 claims 4
- YCELPWGPXSJYMB-OWOJBTEDSA-N (e)-2-sulfobut-2-enedioic acid Chemical compound OC(=O)\C=C(/C(O)=O)S(O)(=O)=O YCELPWGPXSJYMB-OWOJBTEDSA-N 0.000 claims 3
- 125000004432 carbon atom Chemical group C* 0.000 claims 3
- 150000001735 carboxylic acids Chemical class 0.000 claims 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims 2
- 239000011976 maleic acid Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000004679 hydroxides Chemical class 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 150000002689 maleic acids Chemical class 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (1)
Малеиновая кислота - 0,1-4
Сульфомалеиновая кислота - 0,3-10
Моно (алкиловые, диоксиалкиловые) эфиры сульфомалеиновой кислоты с числом атомов углерода в алкильном радикале - один, три, четыре, диоксиалкильном - три - 1,0-20
Моно (алкиловые, диоксиалкиловые) эфиры малеиновой кислоты с числом атомов углерода в алкильном радикале - один, три, четыре, диоксиалкильном - три - 0,1-2,5
Моноалкиловые эфиры серной кислоты с числом атомов углерода в алкильном радикале - один, три, четыре - 0,1-5,5
Вода - Остальное
при этом обработка производится в течение 2-11 мин при температуре 50oC60oC.Method of removing oxides and hydroxides of iron of various origin from the surface of steel products, which consists in treating the surface of the product with a mixture of carboxylic acids, mono (alkyl, dioxyalkyl) esters of carboxylic acids and monoalkyl esters of sulfuric acid, characterized in that maleic acids are used as carboxylic acids sulfomaleic acid and additionally include in the mixture mono (alkyl, dioxyalkyl) esters of maleic and sulfo maleic acids and monoalkyl esters of sulfuric acid with the following ootnoshenii, wt.%:
Maleic acid - 0.1-4
Sulfomaleic acid - 0.3-10
Mono (alkyl, dioxyalkyl) esters of sulfomicyleic acid with the number of carbon atoms in the alkyl radical - one, three, four, dioxyalkyl - three - 1.0-20
Mono (alkyl, dioxyalkyl) esters of maleic acid with the number of carbon atoms in the alkyl radical - one, three, four, dioxyalkyl - three - 0.1-2.5
Monoalkyl esters of sulfuric acid with the number of carbon atoms in the alkyl radical — one, three, four — 0.1-5.5
Water - The Rest
the treatment is carried out for 2-11 minutes at a temperature of 50 o C60 o C.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU97106362A RU2119553C1 (en) | 1997-04-18 | 1997-04-18 | Method of removing iron oxides and hydroxides from surface of steel objects |
| PCT/RU1998/000038 WO1998048080A1 (en) | 1997-04-18 | 1998-02-17 | Method of taking off iron oxides and hydroxides from steel product surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU97106362A RU2119553C1 (en) | 1997-04-18 | 1997-04-18 | Method of removing iron oxides and hydroxides from surface of steel objects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2119553C1 RU2119553C1 (en) | 1998-09-27 |
| RU97106362A true RU97106362A (en) | 1999-01-10 |
Family
ID=20192155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU97106362A RU2119553C1 (en) | 1997-04-18 | 1997-04-18 | Method of removing iron oxides and hydroxides from surface of steel objects |
Country Status (2)
| Country | Link |
|---|---|
| RU (1) | RU2119553C1 (en) |
| WO (1) | WO1998048080A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2182095A1 (en) * | 2008-10-29 | 2010-05-05 | Poligrat Gmbh | Method for treating stainless steel surfaces |
| RU2415201C1 (en) * | 2009-10-23 | 2011-03-27 | Станислав Алексеевич Суворов | Agent for removal of corrosion products off surface of metals |
| RU2507312C1 (en) * | 2012-06-29 | 2014-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный машиностроительный университет (МАМИ)" | Method of cleaning metal surfaces from corrosion deposits |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3277008A (en) * | 1962-04-20 | 1966-10-04 | Pfaudler Permutit Inc | Surface cleaning method and composition |
| GB1182247A (en) * | 1966-07-01 | 1970-02-25 | Lorant Joseph John | Improvements in or relating to the Surface Treatment of Metals. |
| BE755209A (en) * | 1969-08-25 | 1971-02-01 | Amchem Prod | Method and composition for removing rust from iron surfaces |
| JPS5292832A (en) * | 1976-02-02 | 1977-08-04 | Mitsubishi Heavy Ind Ltd | Method of washing scales of iron oxide |
| FR2601379A1 (en) * | 1986-07-09 | 1988-01-15 | Commissariat Energie Atomique | STRIPPING PRODUCT FOR STEEL PARTS AND STRIPPING METHOD USING THE SAME |
| FR2697032B1 (en) * | 1992-10-19 | 1995-01-06 | Lorraine Laminage | Pickling process for steel materials. |
| DE69422014T2 (en) * | 1994-02-03 | 2000-07-20 | The Procter & Gamble Company, Cincinnati | Acidic cleaning compositions |
| RU2096526C1 (en) * | 1996-02-14 | 1997-11-20 | Акционерное общество открытого типа "Шебекинский химический завод" | Composition for removing scale from surface of non- ferrous metals or alloys thereof |
| RU2079930C1 (en) * | 1996-02-22 | 1997-05-20 | Акционерное общество Научно-производственное предприятие "Сапфир" | Method of removal of scale, oxides, rust from metal surfaces of parts |
-
1997
- 1997-04-18 RU RU97106362A patent/RU2119553C1/en active
-
1998
- 1998-02-17 WO PCT/RU1998/000038 patent/WO1998048080A1/en not_active Ceased
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