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 PRODUCTS

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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
Application number
RU97106362/02A
Other languages
Russian (ru)
Other versions
RU2119553C1 (en
Inventor
В.А. Усачев
Н.Э. Кононенко
Ю.Г. Пакин
В.А. Одинцов
А.Н. Понькин
С.А. Малютин
Ю.Д. Панаев
Original Assignee
ЗАО Центр новых технологий "ОПТРОН"
Filing date
Publication date
Application filed by ЗАО Центр новых технологий "ОПТРОН" filed Critical ЗАО Центр новых технологий "ОПТРОН"
Priority to RU97106362A priority Critical patent/RU2119553C1/en
Priority claimed from RU97106362A external-priority patent/RU2119553C1/en
Priority to PCT/RU1998/000038 priority patent/WO1998048080A1/en
Application granted granted Critical
Publication of RU2119553C1 publication Critical patent/RU2119553C1/en
Publication of RU97106362A publication Critical patent/RU97106362A/en

Links

Claims (1)

Способ удаления оксидов и гидрооксидов железа различного происхождения с поверхности изделий из стали, заключающийся в обработке поверхности изделия смесью из карбоновых кислот, моно (алкиловых, диоксиалкиловых) эфиров карбоновых кислот и моноалкиловых эфиров серной кислоты, отличающийся тем, что в качестве карбоновых кислот используют малеиновую и сульфомалеиновую кислоты и дополнительно включают в смесь моно (алкиловые, диоксиалкиловые) эфиры малеиновой и сульфомалеиновой кислот и моноалкиловые эфиры серной кислоты при следующем соотношении компонентов, мас.%:
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.
RU97106362A 1997-04-18 1997-04-18 Method of removing iron oxides and hydroxides from surface of steel objects RU2119553C1 (en)

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2182095A1 (en) * 2008-10-29 2010-05-05 Poligrat Gmbh Method for treating stainless steel surfaces
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 (7)

* Cited by examiner, † Cited by third party
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.
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
EP0666306B1 (en) * 1994-02-03 1999-12-08 The Procter & Gamble Company 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

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