RU2009134348A - COMPOSITION OF A CORROSION INHIBITOR AND METHOD FOR PRODUCING IT - Google Patents
COMPOSITION OF A CORROSION INHIBITOR AND METHOD FOR PRODUCING IT Download PDFInfo
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- RU2009134348A RU2009134348A RU2009134348/02A RU2009134348A RU2009134348A RU 2009134348 A RU2009134348 A RU 2009134348A RU 2009134348/02 A RU2009134348/02 A RU 2009134348/02A RU 2009134348 A RU2009134348 A RU 2009134348A RU 2009134348 A RU2009134348 A RU 2009134348A
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- carboxylic acids
- mixture
- pepa
- temperature
- reaction mixture
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. Состав ингибитора коррозии, содержащий продукт взаимодействия карбоновых кислот и полиэтиленполиаминов (ПЭПА) и растворитель, отличающийся тем, что он имеет деэмульгатор, в качестве продукта взаимодействия карбоновых кислот и ПЭПА содержит смесь амидоаминов и аминоимидазолинов, а в качестве растворителя спирт C1-4 и/или ароматический углеводород или углеводород изостроения при следующем соотношении компонентов, мас.%: ! смесь амидоаминов и аминоимидазолинов 10,0-70,0 деэмульгатор 0,1-2,0 спирт C1-4 и/или ароматический углеводород или углеводород изостроения остальное ! 2. Способ получения ингибитора коррозии, включающий взаимодействие карбоновых кислот и ПЭПА, осуществляемое путем нагрева и перемешивания в течение 6-12 ч смеси жирных карбоновых кислот и ПЭПА с последующим отгоном реакционной воды, после этого полученную реакционную массу охлаждают, добавляя реагенты, и для растворения реакционной смеси используют растворитель, отличающийся тем, что нагрев смеси карбоновых кислот и ПЭПА при их взаимодействии осуществляют до температуры 230-250°С, в качестве жирных карбоновых кислот используют жирные карбоновые кислоты C6-C12, мольное соотношение которых к ПЭПА составляет 1-2,5:1, охлаждение полученной реакционной массы осуществляют до температуры 60-80°С и добавляют в качестве реагентов смесь предельных или непредельных карбоновых кислот и/или нафтеновых кислот C10-C20, взятых в мольном соотношении 0,5-1,5:1, реакционную смесь нагревают до температуры 230-250°С и выдерживают при перемешивании до прекращения отгона реакционной воды, полученную реакционную смесь охлаждают при перемешивании до температуры 40-60°С и � 1. The composition of the corrosion inhibitor containing the product of the interaction of carboxylic acids and polyethylene polyamines (PEPA) and a solvent, characterized in that it has a demulsifier, as a product of the interaction of carboxylic acids and PEPA contains a mixture of amido amines and aminoimidazolines, and as a solvent alcohol C1-4 and / or aromatic hydrocarbon or hydrocarbon isostructure in the following ratio of components, wt.%:! a mixture of amidoamines and aminoimidazolines 10.0-70.0 demulsifier 0.1-2.0 alcohol C1-4 and / or aromatic hydrocarbon or hydrocarbon isostroeniya rest! 2. A method of obtaining a corrosion inhibitor, including the interaction of carboxylic acids and PEPA, carried out by heating and stirring for 6-12 hours a mixture of fatty carboxylic acids and PEPA followed by distillation of the reaction water, after which the resulting reaction mass is cooled, adding reagents, and to dissolve the reaction mixture uses a solvent, characterized in that the mixture of carboxylic acids and PEPA is heated to a temperature of 230-250 ° C, and fatty carbohydrates are used as fatty carboxylic acids new acids C6-C12, the molar ratio of which to PEPA is 1-2.5: 1, the reaction mixture is cooled to a temperature of 60-80 ° C and a mixture of saturated or unsaturated carboxylic acids and / or naphthenic acids C10- is added as reagents C20 taken in a molar ratio of 0.5-1.5: 1, the reaction mixture is heated to a temperature of 230-250 ° C and kept under stirring until the distillation of the reaction water ceases, the resulting reaction mixture is cooled with stirring to a temperature of 40-60 ° C and �
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2009134348/02A RU2421549C2 (en) | 2009-09-14 | 2009-09-14 | Composition of corrosion inhibitor and procedure for its production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2009134348/02A RU2421549C2 (en) | 2009-09-14 | 2009-09-14 | Composition of corrosion inhibitor and procedure for its production |
Publications (2)
Publication Number | Publication Date |
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RU2009134348A true RU2009134348A (en) | 2011-03-20 |
RU2421549C2 RU2421549C2 (en) | 2011-06-20 |
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Family Applications (1)
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RU2009134348/02A RU2421549C2 (en) | 2009-09-14 | 2009-09-14 | Composition of corrosion inhibitor and procedure for its production |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2518829C1 (en) * | 2012-12-03 | 2014-06-10 | Открытое акционерное общество "Башкирская содовая компания" | Method of obtaining acid corrosion inhibitor |
RU2591923C1 (en) * | 2015-04-02 | 2016-07-20 | Публичное акционерное общество "Газпром" | Inhibitor of sulphide corrosion and hydrogenation |
RU2710700C1 (en) * | 2019-02-13 | 2020-01-09 | Публичное акционерное общество "Нефтяная компания "Роснефть" (ПАО "НК "Роснефть") | Corrosion inhibitor and method of its production |
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2009
- 2009-09-14 RU RU2009134348/02A patent/RU2421549C2/en active
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RU2421549C2 (en) | 2011-06-20 |
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