КОРРОЗИОННОСТОЙКИЕ ИЗДЕЛИЯ ИЗ ПЕНОАЛЮМИНИЯ

1. Изделие из пеноалюминия, включающее:распределение пор внутри металлического сплава, содержащего алюминий; ираспределение достаточно диспергированных буферных агентов.2. Изделие из пеноалюминия по п.1, при этом, когда изделие из пеноалюминия с достаточно диспергированными буферными агентами погружают в воду, последующее измерение газообразного водорода, образующегося из пеноалюминия с достаточно диспергированными буферными агентами, составляет не более 10% от измерения газообразного водорода, образующегося из пеноалюминия, не имеющего достаточно диспергированных буферных агентов и погруженного в воду.3. Изделие из пеноалюминия по п.1, при этом буферный агент представляет собой безводную буру.4. Изделие из пеноалюминия по п.1, при этом буферный агент представляет собой оксид бора.5. Изделие из пеноалюминия по п.1, при этом буферный агент представляет собой борную кислоту.6. Изделие из пеноалюминия по п.3, при этом безводная бура составляет от примерно 0,25 вес.% до примерно 3 вес.% металлического сплава.7. Изделие из пеноалюминия по п.1, при этом изделие содержит алюминий, магний, карбонат кальция и продукты их реакции друг с другом.8. Изделие из пеноалюминия по п.1, при этом изделие находится в виде конструкционного материала.9. Изделие из пеноалюминия по п.1, при этом упомянутое изделие представляет собой пластину, лист, экструдированное изделие или панель.10. Способ, включающий стадии:а. добавление газообразующих частиц к расплавленному металлическому сплаву, содержащему алюминий;b. добавление буферных агентов к упомянутому расплавленному металлическому сплаву;с. перемешивание расплавленного металлического сплава,

Inhibitor compositions.

FOR THE AVOIDANCE/CDELIMITATION OF MICRO-BIOLOGICALLY AFFECTED CORROSION AND DISCOLORATION USABLE ONE BORATE

IMPROVEMENTS OF TREATMENTS FOR CONCRETE

SNOW AND ICE REMOVAL MEANS ON THE BASIS FROM ACETATES AND/OR FORMATES AND PROCEDURES TO MELTING SNOW AND ICE ON TRAFFIC SURFACES WITH THE HELP OF THIS MEANS

Cooling water scale and corrosion inhibition

Borates useful for the prevention/mitigation of microbiologically influenced corrosion and staining

HALOPHENOXYALKANOIC ACID, CHELATING AGENT, AND BORIC ACID

INHIBITION OF CORROSIVE ACTION OF ZINC-CONTAINING FERTILIZER SOLUTIONS

APPLICATION FOR UNITED STATES PATENT INVENTION: INHIBITION OF CORROSIVE ACTION OF ZINC-CONTAINING FERTILIZER SOLUTIONS INVENTORS: JAMES EARL SANSING, JR. and JOSEPH NOVOTNY Corrosion of carbon steel by an aqueous solution of zinc nitrate, ammonium nitrate, and urea is inhibited by incorporating therein an effective amount of ammonium thiosulfate. The solution is particularly useful in correcting zinc deficiencies in plants when applied as a foliar spray.

HALOPHENOXYALKANOIC ACID, CHELATING AGENT, AND BORIC ACID

ANTI-CORROSION PIGMENTS COMING FROM DUST OF AN ELECTIC ARC FURNACE AND CONTAINING SACRIFICIAL CALCIUM

An anticorrosion ferrite-based pigment, derived from a hydrometallurgical purification process of EAF dust. EAF dust is generated in an electric arc furnace for carbon steel production by processing scrap metal, direct reduced iron and/or pre-reduced hematite, and using CaO-rich slag; from a condensation reaction of metals vapours of Fe, or Zn and of Mn, Mg, Si and/or Al, and suspended CaO particles and oxygen. The pigment contains a non-toxic amount of lead, and includes condensed metal oxides, comprising ferrites MOFe2.theta.3, M being Zn, Fe, Mn and Mg, and combinations thereof. The condensed oxides have ferrite structures preserved from the EAF dust, and form aggregates thereof. The pigment includes CaO entrapped by the ferrite structures and being partially available to react with humid air and/or water to protect the substrate against corrosion. The pigments are coated or uncoated. They are used for antifouling or paint formulations.

ORGANIC PHOSPHONIC ACID COMPOUND CORROSION PROTECTION IN AQUEOUS SYSTEMS

METHOD FOR OPERATING BOILER, METHOD FOR INJECTING SULFITE BASE OXYGEN SCAVENGER AND COMPOSITION THEREOF

The invention effectively prevents occurrence of corrosion in water tubes or the like of boilers. The invention provides a method for operating a boiler, including regulating a concentration of sulfate ions SO4 2-in boiler water to under 500 ppm, and a method for infecting a sulfite base oxygen scavenger, including setting a concentration of residual dissolved oxygen in boiler feed water to 2 - 4 ppm. The invention further provides a sulfite base oxygen scavenger composition comprising: 3 - 30 weight % of at least one selected from a group consisting of Na2SO3, K2SO3, NaHSO3 and KHSO3; 1 - 20 weight % of NaOH or KOH; 0.2 - 2 weight % of potassium sorbate; and 5 - 500 ppm of CoSO4.

METHOD FOR OPERATING BOILER, METHOD FOR INJECTING SULFITE BASE OXYGEN SCAVENGER AND COMPOSITION THEREOF

The invention effectively prevents occurrence of corrosion in water tubes or the like of boilers. The invention provides a method for operating a boiler, including regulating a concentration of sulfate ions SO4 2in boiler water to under 500 ppm, and a method for injecting a sulfite base oxygen scavenger, including setting a concentration of residual dissolved oxygen in boiler feed water to 2 - 4 ppm. The invention further provides a sulfite base oxygen scavenger composition comprising: 3 - 30 weight % of at least one selected from a group consisting of Na2SO3, K2SO3, NaHSO3 and KHSO3; 1 - 20 weight % of NaOH or KOH; 0.2 - 2 weight % of potassium sorbate; and 5 - 500 ppm of CoSO4.

LOW-VISCOSITY COOLANT BRINES HAVING IMPROVED CORROSION PROTECTION

The invention relates to low-viscosity, aqueous refrigerating brines based on alkali metal acetates and/or formates with improved corrosion control. Said refrigerating brines are characterized in that they contain 0.2-5 wt.% alkali metal sulfites or pyrosulfites, in particular 1-2.5 wt.% of these sulfites. The inventive brines contain in addition: 0.3-5 wt.% alkaline substances from the alkali carbonate, hydroxide, borate and phosphate groups, as well as 0-0.3 wt.% alkali silicate and 0.02-0.2 wt.% stabilizers from the triazole, benzimidazole and/or mercaptothiazole groups. The novel refrigerating brines have very low corrosion rates, in particular in the case of steel and cast iron.

Verfahren zur Erzeugung einer korrosionsverhütenden Schutzschicht auf Metallflächen.

Zusatzmittel für korrodierende Flüssigkeiten zur Verhinderung des Angriffs auf Metalle.

Chain

METAL CORROSION INHIBITORS

체인

... 도막이 양호한 부착성 및 균일성을 가지고, 방청성이 장기적으로 유지되는 체인을 제공한다. 체인(10)은 내 플레이트(11), 부시(12), 외 플레이트(13), 연결핀(14), 및 롤러(15)를 구비한다. 각 구성 부품은 철계 소지 상에 충격 도금에 의해 형성된 아연-알루미늄-마그네슘 합금 피막과, 상기 아연-알루미늄-마그네슘 합금 피막 상에, 아연, 황산바륨, 및 콜로이달 실리카를 포함하는 수계 방청 도료를 이용하여 형성되는 도막을 가진다.

COATING CARBON STEEL TUBING WITH IRON SULFIDE

Treating carbon steel tubing includes contacting the carbon steel tubing with a first treatment solution including a salt; corroding the carbon steel tubing with the salt to yield a corroded surface on the carbon steel tubing; contacting the corroded surface on the carbon steel tubing with a second treatment solution comprising sulfide ions; and forming an iron sulfide layer on the corroded surface of the carbon steel tubing by chemically bonding the sulfide ions in the second treatment solution with iron in the carbon steel tubing. In some cases, the first treatment solution also includes sulfide ions, and the iron sulfide layer is formed by contacting the carbon steel tubing with the first treatment solution. 145-. (canceled)46. A method of treating carbon steel tubing , the method comprising:contacting the carbon steel tubing with a first treatment solution comprising a salt;corroding the carbon steel tubing with the salt to yield a corroded surface on the carbon steel tubing;contacting the corroded surface on the carbon steel tubing with a second treatment solution comprising sulfide ions; andforming an iron sulfide layer on the corroded surface of the carbon steel tubing by chemically bonding the sulfide ions in the second treatment solution with iron in the carbon steel tubing.47. The method of claim 46 , wherein iron sulfide layer forms a hydrophobic coating on the carbon steel tubing.48. The method of claim 46 , wherein:a temperature of the first treatment solution is at least 100° F.;the method comprises contacting the carbon steel tubing with the first treatment solution for at least five hours;a concentration of the salt in the first treatment solution is at least 100,000 ppm by weight; anda concentration of the sulfide ions in the second treatment solution is at least 50 ppm by weight.49. The method of claim 46 , wherein:a temperature of the first treatment solution is at least 150° F.;the method comprises contacting the carbon steel tubing with the ...

АЭРОЗОЛЬНЫЕ КОМПОЗИЦИИ

1. Аэрозольная композиция со сжатым газом-пропеллентом, свободным от углеводородных пропеллентов, где композиция содержит:от 85,0 мас.% до 98,0 мас.% воды;от 0,01 мас.% до 10,00 мас.% низкомолекулярного спирта;от 0,001 мас.% до 5,00 мас.% поверхностно-активного вещества;от 0,001 мас.% до 5,00 мас.% отдушки;от 0,001 мас.% до 5,00 мас.% бората (соли);от 0,001 мас.% до 5,00 мас.% консерванта.2. Аэрозольная композиция по п.1, где композиция является композицией для освежения воздуха.3. Аэрозольная композиция по п.1 или 2, где композиция дополнительно содержит от 0,00 мас.% до 0,5 мас.% молибдата натрия, и более предпочтительно содержит от 0,0 мас.% до 0,1 мас.% молибдата натрия.4. Аэрозольная композиция по п.1, где композиция содержит:от 90,0 мас.% до 95,0 мас.% воды;от 1,00 мас.% до 7,00 мас.% низкомолекулярного спирта;от 0,01 мас.% до 3,00 мас.% поверхностно-активного вещества;от 0,005 мас.% до 3,00 мас.% отдушки;от 0,005 мас.% до 1,00 мас.% бората (соли);от 0,00 мас.% до 0,5 мас.% молибдата натрия;от 0,001 мас.% до 1,00 мас.% консерванта.5. Аэрозольная композиция по п.1, где композиция состоит по существу из:от 90,0 мас.% до 95,0 мас.% воды;от 1,00 мас.% до 7,00 мас.% низкомолекулярного спирта;от 0,01 мас.% до 3,00 мас.% поверхностно-активного вещества;от 0,005 мас.% до 3,00 мас.% отдушки;от 0,005 мас.% до 1,00 мас.% бората (соли);от 0,00 мас.% до 0,5 мас.% молибдата натрия;от 0,001 мас.% до 1,00 мас.% консерванта;гдемас.% композиции в сумме составляют ровно 100 мас.%.6. Аэрозольная композиция по п.1, где композиция по существу состоит из:от 93,1 мас.% до 93,6 мас.% воды;по существу, 5,0 мас.% этанола;от 1,0 мас.% до 0,5 мас.% поверхностно-активного вещества;по существу, 0,25 мас.% отдушки;по существу, 0,4 мас.% бората натрия;0,25 мас.% консерванта;где мас.% композиции в сумме составляют ровно 100 � РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК A61L 9/01 (13) 2012 152 655 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22 ...

Verfahren zum Korrosionsschutz von Dampfheizungsanlagen mit gleichzeitiger Gewinnung von Natriumphosphat zur Enthaertung des Kesselspeisewassers

KORROSIONSINHIBIERENDE LÖSUNGEN FÜR ABSORPTIONSSYSTEME

KORROSIONSINHIBIERENDE LÖSUNGEN FÜR ABSORPTIONSSYSTEME

Corrosion inhibitors for lacquered and unlacquered tin plated aerosol canisters

Improvements in or relating to the protection of magnesium and high grade magnesium alloys from the action of corroding agents

To protect magnesium or high grade magnesium alloys from corrosion by water, alcohols, or non-oxidizing saline melts, particularly at elevated temperatures, the metal is exposed to the action of an alkali metal sulphide, e.g. sodium or potassium sulphide or liver of sulphur. The metal may be treated with an aqueous solution of the sulphide prior to contact with the corrosive agent or a small amount of sulphide may be added to the corrosive agent. For example, a small amount of sulphide, e.g. 3 per cent, is added to a potassium thiocyanate melt used in the heat treatment of magnesium or its alloys. Water may be rendered non-corrosive in contact with the metal by adding 0,2-0,5 per cent of sulphide to the water. Cooling liquids which come in contact with magnesium or its alloys, particularly in internal-combustion engines, and which consist of one or more alcohols, e.g. glycol or glycerine, or aqueous solutions thereof are rendered non-corrosive by adding 0,1-0,5 per cent of alkali sulphide ...

ANTI-FREEZE CONCENTRATES ON BASIS OF DICARBONIC ACIDS, AND TRIAZOLEN MOLYBDAT AND THESE COMPREHENSIVE COOLING AGENT COMPOSITIONS

INHIBIERUNG OF COOLING WATER SURFACE FORMATION AND - CORROSION

CAVITATION-RESTRAINING, NONFREEZING ONES COOL AND/OR HEAT TRANSFER LIQUIDS AS WELL AS USE OF A CAVITATION-RESTRAINING ADDITIVE IN NONFREEZING COOL AND/OR HEAT TRANSFER LIQUIDS.

Antifreeze concentrates on the basis of dicarboxylic acids, molybdate and triazoles or thiazoles and coolant compositions containing these concentrates

MAGNESIUM RICH COATINGS AND COATING SYSTEMS

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by ProhesionTM exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

CORROSION RESISTANT ALUMINUM FOAM PRODUCTS

An aluminum foam product that exhibits superior resistance to corrosion and oxidation in aqueous environments. The invention comprises the incorporation of chemical buffering agents, such as anhydrous borax (Na2B4O7), into the formulation of aluminum foam in amounts that effectively reduce the corrosion and oxidation in aqueous environments.

MODIFIED SULFUR, METHOD FOR PREPARING SAME, APPARATUS FOR PREPARING SAME, AND USE THEREOF

The present application relates to modified sulfur, to a method for preparing same, and to an apparatus for preparing same. The modified sulfur is radioactive or includes a fine structure such as a fibrous structure, a tabular structure, or a network structure. The modified sulfur may be prepared by a process of inducing polymerization or aging using ultrasonic waves. The modified sulfur may have various excellent characteristics such as anticorrosion, water resistance, strength, and high-speed drying, and such characteristics may be adjusted based on the viscosity or the degree of polymerization. Further, as the modified sulfur has the above-described characteristics, the modified sulfur can be applied to an anticorrosive material or water-resistant material, and the modified sulfur can be used in the production of an anticorrosive material and water-resistant material having superior workability and hardening properties, resistance to salt spray, weldability, and the like at an optimum ...

CORROSION INHIBITED DEICING COMPOSITION AND METHOD OF ITS USE

DEICING COMPOSITION BASED ON ACETATES AND/OR FORMATES, AND METHOD OF MELTING SNOW AND ICE ON TRAFFIC AREAS WITH THE AID OF SAID COMPOSITION

The deicing composition described consists essentially of a) from 87 to 99.45 by weight of an alkali metal acetate or an alkali metal formate or a mixture thereof, b) from 0.5 to 10o by weight of an alkali metal silicate, and c) from 0.05 to 3o by weight of an alkali metal phosphate. It can be employed in solid form (powder, granules and the like) or in the form of an aqueous solution. It ensures a short thaw time and corrosion protection, especially with regard to magnesium.

Process for the elimination of the oxygen of water to be used in industry and the households

Process of protection against the formation of pustules and cracks due to hydrogen in ferrous metals

Improvements with the protection of aluminium alloys against corrosion

Inhibitor of corrosion and stress corrosion cracking containing nickel boride (NiB) in the secondary side of steam generator tubes in a nuclear power plant and inhibiting method using the same

An inhibitor of corrosion and stress corrosion cracking including nickel boride (NiB) in a secondary side of a steam generator tube in a nuclear power plant and an inhibition method using the same. The nickel boride (NiB) according to the present invention reduces stress corrosion cracking in a testing plate simulating the steam generator tube in the nuclear power plant in a highly caustic condition when compared with a reference solution, and increases corrosion resistance by reducing corrosion current density and oxide thickness. Accordingly, nickel boride may be effectively used to inhibit corrosion and stress corrosion cracking in the secondary side of the steam generator tube in the nuclear power plant.

Inhibition method of the secondary side stress corrosion cracking in nuclear steam generator tubes

The present invention relates to a method for inhibiting stress corrosion cracking occurring on steam generator tubes in the secondary side of nuclear power plants and an inhibitor therefor. The method comprises supplying cerium boride as an inhibitor for stress corrosion cracking into the secondary feed water of the nuclear power plants. The method according to the present invention improves resistance of stress corrosion cracking three times or higher than no inhibitor, and two times or higher than the conventional inhibitor. In particular, the method according to the present invention shows a superior inhibiting effect in the lead-contaminated environment such that the complete inhibition of stress corrosion cracking can be achieved. As thus, the method can reduce the unexpected stop of operating nuclear power plants caused by the stress corrosion cracking on steam generator tubes, thereby reducing the cost required for maintaining and repairing the tubes.

SOLID COOLANT CONCENTRATES AND THEIR PREPARATION

Die vorliegende Erfindung beschreibt neue Kühlmittelkonzentrate, deren Herstellung und Verwendung.

CORROSION PREVENTIVE DEVICE FOR WATER AND HOT WATER SUPPLY

PURPOSE: To prevent the corrosion of metal by feed water and to prevent the clogging of a treatment tank contg. a suitable solid base material by providing a bypass flow passage and main flow passage respectively connecting the inflow port and outflow port in the upper part and the outlet in the lower part of the treatment tank. CONSTITUTION: The solid basic material 1 consisting of ≥1 kinds of Mg or the alloy thereof, Na2SiO3 and K2SiO3 is housed into the treatment tank 2. The inflow port 3 and outflow port 4 for the feed water and the bypass flow passage 8 are provided in the upper part of the tank 2. The main flow passage 6 connecting the outlet 5 in the lower part of the tank 2 and the above-mentioned outflow port 4 is further provided. Nets 14a, 14b, 14c made of a stainless steel are respectively disposed to the above-mentioned inflow port 3, main flow passage 6 and bypass flow passage 8 to prevent the outflow of the material 1. A drain plug 29 is preferably provided in the bottom ...

Aerosol compositions

LOW VISCOSE RAYON COOLING BRINES WITH IMPROVED CORROSION PROTECTION

KORROSIONSINHIBIERENDE SOLUTIONS FOR ABSORPTION SYSTEMS

DEICER COMPOSITIONS INCLUDING CORROSION INHIBITORS

The present invention is directed to improved deicer compositions including corrosion inhibitors for deicing applications, in particular deicer compositions that will be exposed to, or come in contact with, galvanized metal. In an embodiment, the invention includes a deicing composition including an aqueous solution containing an alkali metal carboxylate salt. The deicing composition further includes at least one corrosion inhibitor.

AQUEOUS COMPOSITION FOR PRETREATING A METALLLIC SURFACE BEFORE FURTHER COATING OR FOR TREATING SAID SURFACE

The invention relates to an aqueous composition for pretreating a metal surface before applying another coating or for treating said surfaces. The aqueous composition is obtained by adding a) at least natrium, kalium, and/or ammonium water glass and b) at least one silane to water, the quantity ratio of a) to b) preferably ranging from 0.1 : 1 to 2 : 1 including the reaction products produced therefrom in each case.

PROCESS OF TREATMENT OF POWDER TANTALUM FOR ELECTROLYTIQUE CAPACITORS

INHIBITION OF CRACKING UNDER CONSTRAINT BY CORROSION OF TUBES DEGENERATEUR OF NUCLEAR VAPOR BY LANTHANUM BORIDE

A method for protecting metals against corrosion by means of borates from amines or ammonium

A method for preventing the formation of rust

MAGNESIUM RICH COATINGS AND COATING SYSTEMS

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion exposure in accordance with ASTM D5894- 96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.TM © KIPO & WIPO 2007 ...

Process for slag and corrosion control in boilers

A slag and corrosion control process is described. The process entails: identifying the location of at least one slagging problem area in a boiler; introducing a slag control chemical comprising magnesium oxide or hydroxide into combustion gases in a location identified as having a slagging problem; identifying the location of at least one corrosion problem area in a boiler; and introducing a corrosion control chemical comprising a sulfate salt, bisulfite salt, sulfuric acid, or sulfur into combustion gases in a location identified as having a corrosion problem. In operation, these slag deposits will be sufficiently friable to be removed by relatively moderate application of physical energy, thus saving time and reducing any damage to the tubes by the cleaning process. The slag deposits are less voluminous and less in weight and are removed quickly. It is an advantage of the invention that slag can be removed with little or no shut down of a boiler.

СПОСОБ ОБРАБОТКИ БЕТОНА

FIELD: construction engineering. SUBSTANCE: this relates to concrete treating methods aimed at improving operating properties of concrete and particularly at weakening negative results of reactions of alkali-filler or alkali-silica. According to method, introduced into concrete mass is substance which retards reaction of alkali-filler or alkali-silica in concrete mix. Method implies initiation of migration of aforesaid substance in concrete mass. Migration of this substance is induced by applying electric field to concrete mass. Application of aforesaid method ensures retardation and complete elimination of aforesaid harmful reactions. EFFECT: higher efficiency. 16 cl ГЗзэоггс ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ "” 2110 651 ' 13) СЛ Е 04 В 1/64, С 04 В 41/65 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 94046094/03, 17.12.1992 (30) Приоритет: 19.12.1991 СВ 9126899.5 (46) Дата публикации: 10.05.1998 (56) Ссылки: ЕР, заявка, 0312387, кл. С 04 В 22/08, 1989. 5, авторское свидетельство, 210561, кл. С 04 В 41/65, 1970. (71) Заявитель: Тармэк Констракшн Лимитид (СВ) (72) Изобретатель: Пейдж Кристофер Линдон[СВ] (73) Патентообладатель: Тармэк Констракшн Лимитид (СВ) (54) СПОСОБ ОБРАБОТКИ БЕТОНА (57) Реферат: Изобретение относится к способам обработки бетона, улучшающим его эксплуатационные свойства, в частности ослабляющим негативные реакции щелочи-заполнителя или щелочи-кремнезема. Сущность изобретения заключается в введении в объем бетона вещества, замедляющего реакции щелочи-заполнителя или щелочи-кремнезема в бетоне, и инициировании миграции этого вещества в бетоне, при этом миграцию указанного вещества осуществляют посредством воздействия электрического поля. Целью настоящего изобретения являлось создание способа обработки бетона, обеспечивающего замедление и полное исключение указанных вредных реакций. 5 с. и 11 з.п. ф-лы. 2110651 С1 КО ГЗзэоггс ПЧ Го КУЗЗАМ АСЕМСУ ГОК РАТЕМТ$ АМО ТКАОЕМАКК$ (19) ВИ” ...

СПОСОБ ОБРАБОТКИ БЕТОНА

Изобретение относится к способам обработки бетона, улучшающим его эксплуатационные свойства, в частности ослабляющим негативные реакции щелочи-заполнителя или щелочи-кремнезема. Сущность изобретения заключается в введении в объем бетона вещества, замедляющего реакции щелочи-заполнителя или щелочи-кремнезема в бетоне, и инициировании миграции этого вещества в бетоне, при этом миграцию указанного вещества осуществляют посредством воздействия электрического поля. Задачей настоящего изобретения являлось создание способа обработки бетона, обеспечивающего замедление и полное исключение указанных вредных реакций.

СПОСОБ КОНТРОЛЯ КОРРОЗИИ В БОЙЛЕРАХ

... 1. Способ предупреждения коррозии в котле, отличающийся тем, что он содержит измерение степени коррозии в котле с коррозионно-активной средой и введение химических веществ, содержащих SO2 или SO3 или их прекурсоров на участки, выбранные в соответствии с результатами измерения для снижения или предотвращения высокотемпературной коррозии металлических поверхностей. ! 2. Способ по п.1, отличающийся тем, что он дополнительно включает помещение датчика постоянной температуры на известный участок внутри котла; периодическую выемку датчика для визуального и/или физического наблюдения; калибровку датчика по степени коррозии на основе наблюдений датчика и сравнении данных с компонентами котла, например трубами; при этом наблюдения прокалиброванного датчика используют при контроле введения антикоррозийных химических веществ в котел. ! 3. Способ по п.1, отличающийся тем, что степень коррозии котла измеряют при использовании датчика и процессора обработки сигналов для наблюдения электрохимического ...

GEFRIERSCHUTZMITTELKONZENTRATE AUF BASIS VON DICARBONSÄUREN, MOLYBDAT UND TRIAZOLEN UND DIESE UMFASSENDE KÜHLMITTELZUSAMMENSETZUNGEN

Wässerige Zusammensetzung zur Vorbehandlung einer metallischen Oberfläche vor einer weiteren Beschichtung oder zur Behandlung jener Oberfläche

Gegenstand der vorliegenden Erfindung ist eine wässerige Zusammensetzung zur Vorbehandlung einer metallischen Oberfläche vor einer weiteren Beschichtung oder zur Behandlung jener Oberflächen, wobei die wässerige Zusammensetzung dadurch erhalten wird, dass zu Wasser a) mindestens Natrium-, Kalium- und/oder Ammoniumwasserglas und b) mindestens ein Silan zugegeben werden, wobei das Mengenverhältnis von a) zu b) jeweils einschließlich der hieraus entstehenden Reaktionsprodukte vorzugsweise im Bereich von 0,1:1 bis 2:1 liegt.

Improvements in and relating to treatments for concrete

This invention relates to a method of inhibiting alkali-silica or alkali-aggregate reactions (AAR/ASR) in concrete structures by introducing lithium compounds or the like in conjunction with conventional techniques for the treatment of steel reinforcement corrosion. It is also proposed to provide lithium compounds in repair concretes, grouts or mortars and use the difference in concentration between the article under repair and the repair matenal to introduce the lithium ions into the concrete under repair, once again inhibiting AAR/ASR reactions.

Improvements in or relating to the packaging of materials

... 711,632. Packaging. MIDDLETON, A. W. March 3, 1953 [Dec. 4, 1951], No. 28458/51. Class 94 (1) Corrosion of the interior surfaces of containers made of or lined with aluminium and filled with neutral or alkaline pastes or powders, such as soaps, synthetic detergents, shaving creams, tooth-pastes and paints, is prevented by incorporating in the paste or powder one or more insoluble metallic silicates which oan be decomposed by a strong acid. Examples of silicates which may be used are:-barium, cadmium, calcium, lead, magnesium, cobalt, zinc, iron, manganese, nickel and chromium. Preferably, the amount of silicate does not exceed 10 per cent. by weight of the paste or powder, the normal amount being .05-5 per cent. The silicate may be added to the paste or powder and mixed therewith or formed in situ by adding the required reactants and then mixing.

PROCEDURE FOR PREPARING CORROSION AND DEPOSITS IN AN INDUSTRIAL WATER PLANT AND DEVICE FOR THE EXECUTION OF THE PROCEDURE

COOLING WATER SCALE AND CORROSION INHIBITION

A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO2) are maintained in excess of 200 mg/L, and source water silica deposition is inhibited with silica accumulations as high as 4000mg/L (cycled accumulation) from evaporation and concentration of source water. The methods of the present invention also provides inhibition of corrosion for carbon steel at corrosion rates of less than 0.3 mpy (mils per year), and less than 0.1 mpy for copper, copper alloy, and stainless steel alloys in highly concentrated (high dissolved solids) waters. The methods of the present invention comprise pretreatment removal of hardness ions from the makeup source water, maintenance of electrical conductivity, and elevating the pH level of the aqueous environment. Thereafter, specified water chemistry residual ranges are maintained in the aqueous system to achieve inhibition of scale and corrosion.

PROTECTION OF ALUMINUM BASED STRUCTURES AGAINST HEAT TRANSFER CORROSION IN COOLING SYSTEMS

A method is disclosed of protecting heated aluminum based metals subject to heat transfer through the metal to a circulating aqueous cooling solution in contact therewith. The initially constituted cooling solution contains an alkali metal silicate in an adjusted amount above .2 gram per liter. The solution while functioning in the cooling system is then exposed to an alkali metal silicate glass causing the glass to progressively dissolve and stabilize the silicate at a level of at least .1 gram per liter. The initially prepared solution may also contain ethylene or propylene glycol, alkali metal phosphates and tetraborates in a ratio greater than 4:1, and nitrate, mercaptobenzothiazole or tolyltriazole.

MODIFIED SULFUR, METHOD FOR PREPARING SAME, APPARATUS FOR PREPARING SAME, AND USE THEREOF

Disclosure relates to modified sulfur, preparation method thereof, preparation equipment thereof. The modified sulfur has spinnability or includes micro-structures such as fiber-, film- and network-like structure. The modified sulfur can be prepared by inducing polymerization with ultrasonic or ageing. The modified sulfur has various excellent features such as anticorrosiveness, waterproofing, strength, and fast drying and can control the features depending on its viscosity or polymerization degree. In addition due to the above features, the modified sulfur can be applied to anticorrosive or waterproofing material and can prepare anticorrosive or waterproofing material which has good workability, hardening, salt spray resistance, and weldability exceeding a certain level, and specially improved adhesiveness. Furthermore, when applying the modified sulfur to asphalt composition, gelation and depression are reduced, properties such as bending strength and tensile strength are improved, and ...

DEICING COMPOSITION BASED ON ACETATES AND/OR FORMATES, AND METHOD OF MELTING SNOW AND ICE ON TRAFFIC AREAS WITH THE AID OF SAID COMPOSITION

The invention relates to a defrosting agent comprising substantially: (a) 87 to 99.45 wt % of an alkali metal acetate or an alkali metal formate or a mixture thereof; (b) 0.5 to 10 wt % of an alkali metal silicate; and (c) 0.05 to 3 wt % of an alkali metal phosphate. Said agent can be used in the form of a solid (powder, granules and the like) or in the form an aqueous solution, and provides a short thawing period and protection against corrosion, in particular with respect to magnesium.

MORTAR COMPOSITION FOR A REINFORCED CONCRETE STRUCTURE, AND METHOD OF REPAIRING SUCH MORTAR USING

PROCEDE DE TRAITEMENT DE TANTALE EN POUDRE POUR CONDENSATEURS ELECTROLYTIQUES

L'INVENTION CONCERNE LE TRAITEMENT DE TANTALE EN POUDRE POUR LA FABRICATION DE CONDENSATEURS ELECTROLYTIQUES. LE TANTALE EN POUDRE EST TRAITE PAR MISE EN CONTACT AVEC UNE SOLUTION NON AQUEUSE DE THIOCYANATE D'AMMONIUM DANS DU N,N-DIMETHYLFORMAMIDE OU DE LA N-METHYLPYRROLIDINONE APRES QUE LA POUDRE A ETE SOUMISE A UN TRAITEMENT THERMIQUE EN L'ABSENCE D'OXYGENE ET AVANT QU'ELLE SOIT EXPOSEE A UN FLUIDE CONTENANT DE L'OXYGENE, DE MANIERE QUE LA POUDRE N'ABSORBE PAS D'OXYGENE. CETTE ETAPE DE TRAITEMENT THERMIQUE EST EFFECTUEE A 700C OU PLUS. DOMAINE D'APPLICATION: FABRICATION DE CONDENSATEURS ELECTROLYTIQUES.

METHOD OF INHIBITING CORROSION

PROCESS Of INHIBITION OF CRACKING BY STRESS CORROSION IN the SECONDARY CIRCUIT, TUBES OF NUCLEAR STEAM GENERATOR

L'invention concerne un procédé d'inhibition de la fissuration par corrosion sous contraintes se produisant des tubes de générateur de vapeur dans le circuit secondaire de centrales électronucléaires, et un inhibiteur utilisable dans ce procédé. Le procédé comprend l'introduction de borure de cérium à titre d'inhibiteur de fissuration dans l'eau d'alimentation du circuit secondaire. Le procédé améliore la résistance à la fissuration dans une proportion de deux fois par rapport à un inhibiteur classique. Il est particulièrement efficace dans un environnement contaminé par du plomb.

체인

... 도막이 양호한 부착성 및 균일성을 가지고, 방청성이 장기적으로 유지되는 체인을 제공한다. 체인(10)은 내 플레이트(11), 부시(12), 외 플레이트(13), 연결핀(14), 및 롤러(15)를 구비한다. 각 구성 부품은 철계 소지 상에 충격 도금에 의해 형성된 아연-알루미늄-마그네슘 합금 피막(17)과, 상기 아연-알루미늄-마그네슘 합금 피막(17) 상에, 아연, 황산바륨, 및 콜로이달 실리카를 포함하는 수계 방청 도료를 이용하여 형성되는 도막을 가진다.

MAGNESIUM RICH COATINGS AND COATING SYSTEMS

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by ProhesionTM exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

NOVEL COOLANTS WITH IMPROVED STORAGE STABILITY

金属容器及び構成部材の腐食を抑制するのためのシステム及び方法

... 水に露出されたアルミニウム及び他の金属を含む構成部品及び構造物の腐食を抑制する方法及びシステムが開示されている。一実施例において、推進薬タンク(14)を含むアルミニウム合金または他の金属で形成された容器状構造物の構造試験のための試験流体媒質として、ケイ酸塩溶液が使用され、媒質を充填された構造物は、様々な構造的荷重試験を行なわれる。別の実施例においては、ケイ酸塩溶液は、打上げロケット(10)のブースタータンクの耐静水圧試験または荷重試験のための試験媒質として使用される。ケイ酸塩膜(18)は、前記試験の間に、同膜の下にある地金面を腐食から保護する。試験完了後に推進薬タンク(14)から試験媒質が除去されると、通常大気条件において、ケイ酸塩膜(18)はまた、湿気及び他の周囲水分への露出からも地金面を保護する。 ...

Verfahren zum Korrosionsschutz von Aluminium-Nickel-Legierungen

Scavenging of hydrogen sulphide

A method for the removal of hydrogen sulphide from a hydrocarbon-water mixture. The method utilizes a sulphite or a bisulphite, preferably ammonium bisulphite. It may be added as a salt or in solution. It is used in amounts by weight of from 2:1 salt : hydrogen sulphide.

A method of protecting lead against corrosion

Corrosion of lead pipes and the sheathing of electric cables having a protecting layer of tar, bitumen, cement, &c. is prevented by the formation on the lead surface of a stable lead salt, e.g. the sulphide, preferably by incorporating sulphur or a sulphur derivative in the protecting layer so that upon application a coating of lead sulphide will be formed directly on the lead. Protecting layers of tar containing at least 3 per cent sulphur and applied to the pipe at a temperature slightly above 100 DEG C. and of cement containing a small proportion of sodium sulphide are specifically mentioned.

Aerosol compositions

Abstract An aerosol composition with compressed gas propellant that is free of hydrocarbon propellants is described, wherein the composition comprises: 85.Owt% to 98.Owt% water; 0.01 wt% to 10.00wt% low MW alcohol; 0.001wt to 5.00wt% surfactant; 0.001wt to 5.00wt% fragrance; 0.001wt to 5.00wt% borate salt; 0.001wt to 5.00wt% preservative.

TREATMENT OF TANTALUM POWDER

TREATMENT OF TANTALUM POWDER Tantalum powder for electrolytic capacitors is treated with a non-aqueous solution of ammonium thiocyanate in N,N'-dimethylformamide or N-methyl-pyrrolidinone after the powder has been subjected to a thermal treatment step in the absence of oxygen and before the powder is exposed to an oxygen-containing fluid so as to prevent oxygen uptake by the powder. The thermal treatment step is carried out at 700.degree.C and above.

TREATMENT OF TANTALUM POWDER

Inhibitor for steam generator tubes in nuclear power plant, is supplied into feed water for inhibiting intergranular corrosion of steam generator tubes

L'invention propose un inhibiteur fourni dans l'eau d'alimentation secondaire pour inhiber la corrosion intergranulaire et la fissuration sous contrainte par corrosion de tubes de générateur de vapeur dans les centrales nucléaires, l'inhibiteur étant du borure de lanthane. L'invention propose également un procédé pour inhiber la fissuration sous contrainte par corrosion survenant sur les tubes de générateur de vapeur dans le circuit secondaire des centrales nucléaires correspondant.

revestimentos ricos em magnésio e sistemas de revestimento

Aerosol Compositions

An aerosol composition with compressed gas propellant that is free of hydrocarbon propellants is described, wherein the composition comprises: 85.0 wt % to 98.0 wt % water; 0.01 wt % to 10.00 wt % low MW alcohol; 0.001 wt to 5.00 wt % surfactant; 0.001 wt to 5.00 wt % fragrance; 0.001 wt to 5.00 wt % borate salt; 0.001 wt to 5.00 wt % preservative. 1. An aerosol composition with compressed gas propellant that is free of hydrocarbon propellants , wherein the composition comprises:85.0 wt % to 98.0 wt % water;0.01 wt % to 10.00 wt % low MW alcohol;0.001 wt to 5.00 wt % surfactant;0.001 wt to 5.00 wt % fragrance;0.001 wt to 5.00 wt % borate salt;0.001 wt to 5.00 wt % preservative.2. An aerosol composition according to claim 1 , wherein the composition is an air freshening composition.3. An aerosol composition according to claim 1 , wherein the composition further comprises: 0.00 wt % to 0.5 wt % sodium molybdate.4. An aerosol composition according to claim 1 , wherein the composition comprises:90.0 wt % to 95.0 wt % water;1.00 wt % to 7.00 wt % low MW alcohol;0.01 wt to 3.00 wt % surfactant;0.005 wt to 3.00 wt % fragrance;0.005 wt to 1.00 wt % borate salt;0.00 wt % to 0.5 wt % sodium molybdate;0.001 wt to 1.00 wt % preservative.5. An aerosol composition according to claim 1 , wherein the composition consists essentially of:90.0 wt % to 95.0 wt % water;1.00 wt % to 7.00 wt % low MW alcohol;0.01 wt to 3.00 wt % surfactant;0.005 wt to 3.00 wt % fragrance;0.005 wt to 1.00 wt % borate salt;0.00 wt % to 0.5 wt % sodium molybdate;0.001 wt to 1.00 wt % preservative;wherein the wt % of the composition adds up to exactly 100 wt %.6. An aerosol composition according to claim 1 , wherein the composition consists essentially of:93.1 wt % to 93.6 wt % water;substantially 5.0 wt % ethanol;1.0 wt % to 0.5 wt % surfactant;substantially 0.25 wt % fragrance;substantially 0.4 wt % sodium borate;0.25 wt % preservative;wherein the wt % of the composition adds up to exactly 100 wt %.7. An ...

Deicer compositions including corrosion inhibitors

The present invention is directed to improved deicer compositions including corrosion inhibitors for deicing applications, in particular deicer compositions that will be exposed to, or come in contact with, galvanized metal. In an embodiment, the invention includes a deicing composition including an aqueous solution containing an alkali metal carboxylate salt. The deicing composition further includes at least one corrosion inhibitor.

СПОСОБ КОНТРОЛЯ КОРРОЗИИ В БОЙЛЕРАХ

FIELD: heating systems. SUBSTANCE: group of inventions refers to corrosion prevention, and is namely meant for preventing corrosion with chlorides in power boilers based on incineration of waste. Method involves measurement of corrosion degree in the boiler with corrosive medium and introduction of SO 2 or SO 3 containing chemicals or their precursors on the sections chosen in compliance with the measurement results for reducing or preventing high-temperature corrosion of metal surfaces. As per the other version, the method involves the arrangement of the device activating the cooled sensor with the corrodible section that contains temperature measuring devices of sensor and environment in the boiler specified place, periodic sensor removal for visual and/or physical examination, calibration of corrosion degree on the sensor on the basis of the sensor readings and data compared to the boiler components, e.g. tubes; use of calibrated sensor readings for determining corrosion degree of metal surfaces near the specified sensor location. As the inventions, there also described are devices configuration versions, which are designed for determining boiler corrosion, and corrosion control method on a real time basis and in operating mode of the boilers subject to high-temperature corrosion. EFFECT: reduction of corrosion degree of boiler high-temperature surfaces and cost reduction. 20 cl, 8 dwg, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 364 791 (13) C1 (51) МПК F23G 5/48 (2006.01) G01N 17/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007141732/12, 16.05.2006 (24) Дата начала отсчета срока действия патента: 16.05.2006 (73) Патентообладатель(и): ФУЕЛ ТЕЧ, ИНК. (US) (45) Опубликовано: 20.08.2009 Бюл. № 23 2 3 6 4 7 9 1 (56) Список документов, цитированных в отчете о поиске: US 6478948 В2, 12.11.2002. DE 19849022 A1, 27.04.2000. US 6677765 В2, 13.01.2004. SU 962794 A1, 30. ...

Verfahren und Vorrichtung zum Korrosionsschutz

Die Offenbarung betrifft eine Vorrichtung und ein Verfahren zur Behandlung, insbesondere Sanierung, eines Wasserinstallationssystems, wobei zumindest ein Teilstrom des Wassers über vernetzte Kieselsäure geleitet wird. Weiter kann dem Wasser noch ein Phosphat zugesetzt werden.

INHIBITION OF CORROSIVE ACTION OF ZINC-CONTAINING FERTILIZER SOLUTIONS

CORROSION INHIBITING SOLUTIONS FOR ABSORPTION SYSTEMS

Anti-corrosion solutions and processes useful for refrigeration processes are disclosed. Heteropoly complex anions of transitional metal elements can be added to an absorption solution which includes aqueous ammonia, alkali metal hydroxide and/or alkaline earth metal hydroxide, optionally in combination with transition metal compounds or compounds of the metallic elements of Groups IIIa to VIa of the Periodic Table of Elements to minimize corrosion of systems within which the solution is used.

WATER-BASED ENGINE COOLANT FOR USE IN TROPICAL ENVIRONMENTS

A water-based coolant formulated to reduce water evaporation and metal corrosion is provided, the coolant having between about 25 and about 100 ml /L extract of a humectant containing quinone compounds dissolved in water; and between about 1 and about 10 g /L of at least one corrosion inhibitor dissolved along with the extract of Aloe Vera. Also provided is a method for minimizing metal corrosion, the method comprising contacting metal surfaces with a solution of Aloe Vera extract.

CAVITATION-INHIBITING HEAT-TRANSFER FLUID CONTAINING PHOSPHONIC ACID

CORROSION INHIBITED DEICING COMPOSITION AND METHOD OF ITS USE

A low-temperature corrosion inhibited deicing composition is disclosed which comprises a major portion of magnesium chloride and an effective amount of an inhibitor including a polyphosphate salt to reduce corrosion, or a solution thereof. The solution form is preferred. Additional preferred aspects are provided where the inhibitor also includes a zinc-containing salt, and where the deicing composition is free from (or at least substantially so) chloride ions other than those due to the magnesium chloride. A method for low-temperature deicing of bridgework is described which includes the use of the inhibited deicing composition.

METAL CORROSION INHIBITORS

La présente invention concerne une composition d'au moins un acide sulfonique en association avec une quantité efficace d'au moins un composé nitrosylé, agissant comme inhibiteur de corrosion des métaux par ledit au moins un acide sulfonique.

INHIBITION METHOD OF SECONDARY SIDE STRESS CORROSION CRACKING IN NUCLEAR STEAM GENERATOR TUBES

PURPOSE: An inhibition method of the secondary side stress corrosion cracking in nuclear steam generator tubes is provided to increase the resistance of heat pipe for stress corrosion cracking by supplying a compound selected from cerium boride, lanthanum boride, and a mixture thereof to a secondary chute channel. CONSTITUTION: For testing the resistance of a heat pipe, NaOH solution of 10% is used and a temperature of 315°C is set because the environment of causing the secondary stress corrosion cracking of the heat pipe is high basic atmosphere of the operation temperature of a steam generator. A test piece of the stress corrosion cracking is a C-type ring and has an outer diameter of 1.5mm. For accelerating the stress corrosion cracking, a voltage higher than a corrosion voltage of 150mV is applied to the test piece. A corrosion inhibitor of 4 g/l is used. In case that cerium boride and lanthanum boride is added as a corrosion inhibitor, the resistance of the heat pipe for the stress ...

METHOD FOR LOWERING PH USING UREA SULFATE IN THE PRESENCE OF CORROSION INHIBITOR

A method for adjusting pH of an aqueous solution during a processing event that includes the addition of urea sulfate to the solution in the presence of a corrosion inhibitor. The processing event can be relating any number of applications, including but not limited to, textile, paper, agricultural, metals, and water applications.

ANTI-CORROSION PIGMENTS COMING FROM DUST OF AN ELECTIC ARC FURNACE AND CONTAINING SACRIFICIAL CALCIUM

An anticorrosion ferrite-based pigment, derived from a hydrometallurgical purification process of EAF dust. EAF dust is generated in an electric arc furnace for carbon steel production by processing scrap metal, direct reduced iron and/or pre-reduced hematite, and using CaO-rich slag; from a condensation reaction of metals vapours of Fe, or Zn and of Mn, Mg, Si and/or Al, and suspended CaO particles and oxygen. The pigment contains a non-toxic amount of lead, and includes condensed metal oxides, comprising ferrites MOFe2θ3, M being Zn, Fe, Mn and Mg, and combinations thereof. The condensed oxides have ferrite structures preserved from the EAF dust, and form aggregates thereof. The pigment includes CaO entrapped by the ferrite structures and being partially available to react with humid air and/or water to protect the substrate against corrosion. The pigments are coated or uncoated. They are used for antifouling or paint formulations.

AQUEOUS COMPOSITION FOR PRETREATING A METAL SURFACE BEFORE APPLYING ANOTHER COATING OR FOR TREATING SAID SURFACE

The present invention relates to an aqueous composition for pretreating a metallic surface before further coating or for treating said surface. The aqueous composition is obtained by adding a) at least [one] sodium, potassium, and/or ammonium water glass and b) at least one silane to water. The quantity ratio of a) to b), in each case including the resulting reaction products, is preferably in the range of 0.1:1 to 2:1. 120.-. (canceled)21. An aqueous composition for pretreating a metallic surface before further coating or for treating said surface , prepared by the process comprising the steps of:adding to water at least one water glass selected from the group consisting of sodium water glass, potassium water glass and ammonium water glass; anda silane,wherein the quantity ratio of water glass to silane, including resulting reaction products, is within a range of from 0.1:1 to 2:1.22. An aqueous composition according to claim 21 , wherein the water glass is provided in a quantity of 0.5 to 30% by weight and the silane is added in a quantity of 0.05 to 5% by weight.23. An aqueous composition according to claim 21 , wherein the concentration in the composition used for the pretreatment corresponds to 0.5 to 10% by weight of the water glass and 0.05 to 2% by weight of the silane.24. An aqueous composition according to claim 21 , wherein the concentration in a concentrate of the composition corresponds to 10 to 30% by weight of the water glass and 1.5 to 5% by weight of the silane.25. An aqueous composition according to claims 21 , wherein the silane contains one or two amino groups.26. An aqueous composition according to claim 21 , wherein the silane is selected from the group consisting of aminoalkylaminoalkylalkyldialkoxysilane claim 21 , bis(trialkoxysilylalkyl)amine claim 21 , aminoalkyltrialkoxysilane and aminoalkylaminoalkyltrialkoxysilane.27. An aqueous composition according to claim 21 , wherein the silane is selected from the group consisting of bis( ...

ANTI-FREEZE ANTI-CORROSION CONCENTRATES

The present invention relates to antifreeze/anticorrosive concentrates, to processes for production of such concentrates from superconcentrates, to aqueous coolant compositions made from these concentrates and to the use thereof. 2. The antifreeze/anticorrosive concentrate of claim 1 , comprising 2% to 8% by weight claim 1 , based on the total amount of the concentrate claim 1 , of the mixture.3. The antifreeze/anticorrosive concentrate of claim 1 , wherein n is a positive integer from 1 to 4.4. The antifreeze/anticorrosive concentrate of claim 1 , further comprising at least one of the following:(a) up to 5% by weight of one or more alkali metal, ammonium or substituted ammonium salt of an aliphatic, cycloaliphatic or aromatic monocarboxylic acid having 3 to 16 carbon atoms;(b) up to 5% by weight of one or more alkali metal, ammonium or substituted ammonium salt of an aliphatic or aromatic di- or tricarboxylic acid having 3 to 21 carbon atoms;(c) up to 1% by weight of one or more alkali metal borates, alkali metal phosphates, alkali metal silicates, alkali metal nitrites, alkali metal or alkaline earth metal nitrates, alkali metal molybdates or alkali metal or alkaline earth metal fluorides;(d) up to 5% by weight of one or more aliphatic, cycloaliphatic or aromatic amines which have 2 to 15 carbon atoms and may additionally comprise ether oxygen atoms or hydroxyl groups;(e) up to 5% by weight of one or more mono- or polycyclic, unsaturated or partly unsaturated heterocycles which have 4 to 10 carbon atoms and may be benzofused and/or may bear additional functional groups;{'sub': 1', '8', '1', '8, '(f) up to 5% by weight of one or more tetra(C-C-alkoxy)silanes (tetra-C-C-alkyl orthosilicates);'}(g) up to 10% by weight of one or more carboxamides or sulfonamides;(h) up to 1% by weight of one or more hard water stabilizers based on polyacrylic acid, polymaleic acid, acrylic acid-maleic acid copolymers, polyvinylpyrrolidone, polyvinylimidazole, vinylpyrrolidone- ...

CHAIN

A chain is provided in which a paint film has satisfactory adhesiveness and uniformity so that the satisfactory rust prevention property is maintained for a long period of time. A chain includes inner plates, bushes, outer plates, connecting pins, and rollers. Each constituent component includes: a zinc-aluminum-magnesium alloy coating layer formed on an iron-based basis material by impact plating; and a paint film formed on the zinc-aluminum-magnesium alloy coating layer by employing a water-based anti-corrosive paint which contains zinc, barium sulfate and colloidal silica. 111-. (canceled)12. A chain fabricated from an iron-based material , constructed by alternately linking a pair of outer plates and a pair of inner plates , comprising:a zinc-aluminum-magnesium alloy coating layer formed on a surface; anda paint film formed on the zinc-aluminum-magnesium alloy coating layer by employing a water-based anti-corrosive paint which contains zinc, barium sulfate and colloidal silica.13. The chain according to claim 12 , wherein a mass ratio of the barium sulfate to the zinc is 0.15 or higher and 7 or lower.14. The chain according to claim 12 , wherein a mass ratio of a solid content of the colloidal silica to a total mass of the zinc and the barium sulfate is 0.01 or higher and 0.08 or lower.15. The chain according to claim 13 , wherein a mass ratio of a solid content of the colloidal silica to a total mass of the zinc and the barium sulfate is 0.01 or higher and 0.08 or lower.16. A chain fabricated from an iron-based material claim 13 , constructed by alternately linking a pair of outer plates and a pair of inner plates claim 13 , comprising:a zinc-aluminum-magnesium alloy coating layer formed on a surface; anda paint film formed on the zinc-aluminum-magnesium alloy coating layer by employing a water-based anti-corrosive paint which contains zinc and barium sulfate, and in which a mass ratio of the barium sulfate to the zinc is 1.1 or higher and 7 or lower.17. A ...

CHAIN

A chain is provided in which an alloy coating layer suppressing iron reactions is formed on the surface and hence a paint film formed on the alloy coating layer has satisfactory adhesiveness, high strength, and high uniformity so that repair after assembling is not required and the chemical resistance is maintained satisfactorily. 112.-. (canceled)13. A chain fabricated from an iron-based material , constructed by alternately linking a pair of outer plates and a pair of inner plates , and provided with a paint film formed by employing a water-based anti-corrosive paint , wherein:a zinc-aluminum-magnesium alloy coating layer formed on a surface is provided;the water-based anti-corrosive paint contains zinc and barium sulfate; andthe paint film is constructed such that the water-based anti-corrosive paint is applied on the zinc-aluminum-magnesium alloy coating layer and then at least one kind of resin selected from a group consisting of urethane resin, epoxy resin, and acrylic resin is hardened.14. The chain according to claim 13 , wherein a mass ratio of the barium sulfate to the zinc is 7 or lower.15. The chain according to claim 13 , wherein:the water-based anti-corrosive paint further contains colloidal silica; anda mass ratio of a solid content of the colloidal silica to a total mass of the zinc and the barium sulfate is 0.04 or lower.16. The chain according to claim 14 , wherein:the water-based anti-corrosive paint further contains colloidal silica; anda mass ratio of a solid content of the colloidal silica to a total mass of the zinc and the barium sulfate is 0.04 or lower.17. The chain according to claim 13 , wherein a mass ratio of a total mass of the zinc and the barium sulfate to an entire mass obtained as a sum of the total mass and a mass of a solid content of the resin having been hardened is 0.2 or higher and 0.7 or lower.18. The chain according to claim 14 , wherein a mass ratio of a total mass of the zinc and the barium sulfate to an entire mass ...

METHOD FOR PREVENTING CORROSION OF SURFACE OF ALUMINUM-BASED MEMBER

The present disclosure provides a method for preventing corrosion capable of sufficiently protecting a surface of an aluminum-based member (in particular, a contact surface with a gasket) from corrosion, particularly when the surface of the aluminum-based member is sealed by the gasket. The method for preventing corrosion of a surface of an aluminum-based member constituting a structure that sandwiches the gasket together with another member in a press contact state, wherein a surfactant is made to adhere to the surface of the aluminum-based member. 1. A method for preventing corrosion of a surface of an aluminum-based member constituting a structure that sandwiches a gasket together with another member in a press contact state , whereina surfactant is made to adhere to the surface of the aluminum-based member.2. The method for preventing corrosion of a surface of an aluminum-based member according to claim 1 , whereinthe surfactant exuded from the gasket in the press contact state is supplied to the surface of the aluminum-based member, and therebythe surfactant is made to adhere to the surface of the aluminum-based member.3. The method for preventing corrosion of a surface of an aluminum-based member according to claim 1 , whereinthe gasket is a gasket for preventing corrosion including a rubber elastic body and the surfactant, andthe surfactant exists at least in an inner part of the rubber elastic body, in such an impregnated state of being capable of exuding from a surface of the rubber elastic body.4. The method for preventing corrosion of a surface of an aluminum-based member according to claim 3 , whereinthe rubber elastic body is a cross-linked molded article of a rubber composition containing at least one rubber selected from an ethylene-propylene-diene ternary copolymer rubber (EPDM), a nitrile rubber (NBR) and a hydrogenated nitrile rubber (HNBR).5. The method for preventing corrosion of a surface of an aluminum-based member according to claim 1 , ...

ANTI-FRETTING ADDITIVES FOR NON-LUBRICATED CONTACT SURFACES

An anti-fretting rust preventative solution includes a rust preventative fluid and an anti-fretting additive dissolved in the rust preventative fluid. The anti-fretting additive includes at least one compound that is surface-active with steel to produce a low-shear velocity accommodation layer in a metal-to-metal interference fit. The anti-fretting rust preventative solution can be provided in a bearing assembly with metal-to-metal interference fits, as well as other applications where fretting wear may otherwise occur. 1. An anti-fretting rust preventative solution comprising:a non-lubricating rust preventative fluid; andan anti-fretting additive dissolved in the rust preventative fluid, the anti-fretting additive including at least one compound that is surface-active with steel to produce a low-shear velocity accommodation layer which operates under dry friction principles in a metal-to-metal interference fit.2. The anti-fretting rust preventative solution of claim 1 , wherein the rust preventative fluid is a hydrocarbon-based fluid.3. The anti-fretting rust preventative solution of claim 1 , wherein the at least one compound is surface-active with steel to produce a low-shear velocity accommodation layer of boric acid.4. The anti-fretting rust preventative solution of claim 3 , wherein the compound includes at least one of a borate ester claim 3 , a boronic ester claim 3 , and a borinic ester.5. The anti-fretting rust preventative solution of claim 3 , wherein the at least one compound includes tri-alkyl borate where the alkyl group is one of an isopropyl group and an n-propyl group.6. The anti-fretting rust preventative solution of claim 1 , wherein the at least one compound is surface-active with steel to produce a low-shear velocity accommodation layer of molybdenum disulfide.7. The anti-fretting rust preventative solution of claim 6 , wherein the at least one compound includes molybdenum dithiophosphate.8. The anti-fretting rust preventative solution of claim ...

METHOD OF APPLYING A MAGNESIUM-CONTAINING POWDER TO THE SURFACE OF AN ALUMINUM OR ALUMINUM ALLOY SUBSTRATE

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion™ exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention. 1. A coating composition comprising: magnesium powder; and a silane modified epoxy isocyanate hybrid polymer or prepolymer.2. A coating composition according to claim 1 , wherein said magnesium powder is substantially uniformly dispersed in said silane modified epoxy isocyanate hybrid polymer or prepolymer.3. A coating composition according to claim 1 , wherein said magnesium powder comprises a mixture of a first magnesium particle powder and a second magnesium particle powder claim 1 , wherein the first magnesium particle powder and a second magnesium particle powder have substantially different mean particle size distributions claim 1 , wherein the mixture's bulk density claim 1 , and wherein the mixture's bulk density is greater than that of the second magnesium particle powder's bulk density.4. A coating composition according to claim 3 , wherein the first magnesium particle powder has a mean particle size distribution of from about 25 mm to about 35 mm and wherein the second magnesium particle powder has a mean particle size distribution of from about 65 mm to about 75 mm.5. A coating composition according to claim 4 , wherein the first magnesium particle powder has a mean particle size distribution of about 30 mm and wherein the second magnesium particle powder has a mean particle size distribution of from ...

METHOD FOR TREATING DOMESTIC SUPPLY WATER INSTALLATIONS

A method for treating a domestic supply water circuit, that comprises injecting a treatment product comprising silicates into the water flowing in said circuit in order to form a film on the inner surfaces of said circuit, characterised in that the injection of the treatment product comprises at least one step of injecting silicates at a concentration of between 100 and 200,000 milligrams per litre (mg/L) into the water flowing in said circuit for a period of between 10 minutes (min) and 24 hours (h), the flow rate of water flowing in the circuit being controlled within a range of between 0.05 and 100 litres per minute (L/min) and the temperature of water flowing in the circuit being controlled within a range of between 40 and 65° C. 115-. (canceled)16. A method for treating a sanitary water circuit of a sanitary water system , comprising injecting a treatment product comprising silicates into the water circulating in said circuit in order to form a film on the inner surfaces of said circuit , wherein the injecting of the treatment product comprises at least one step of injecting silicates , when the sanitary water system is not in operation , at a concentration of between 100 and 200 ,000 milligrams of silicon per litre of water (mg Si/L water) into the water circulating in said circuit for a period of less than 48 hours (h) , the circulating water flow rate in the circuit being adjusted in a range between 0.05 and 100 litres per minute (L/min) and the circulating water temperature in the circuit being adjusted in a range between 40 and 65° C.17. The method according to claim 16 , wherein the silicate concentration in the water circulating in said circuit is adjusted between 500 and 50 claim 16 ,000 mg Si/L water claim 16 , preferably between 1 claim 16 ,000 and 20 claim 16 ,000 mg Si/L water.18. The method according to claim 16 , wherein the injection step lasts between 30 minutes and 12 hours claim 16 , preferably between 1 hour and 4 hours claim 16 , for example ...

Modified sulfur, method for preparing same, apparatus for preparing same, and use thereof

Disclosure relates to modified sulfur, preparation method thereof, preparation equipment thereof. The modified sulfur has spinnability or includes micro-structures such as fiber-, film- and network-like structure. The modified sulfur can be prepared by inducing polymerization with ultrasonic or ageing. The modified sulfur has various excellent features such as anticorrosiveness, waterproofing, strength, and fast drying and can control the features depending on its viscosity or polymerization degree. In addition due to the above features, the modified sulfur can be applied to anticorrosive or waterproofing material and can prepare anticorrosive or waterproofing material which has good workability, hardening, salt spray resistance, and weldability exceeding a certain level, and specially improved adhesiveness. Furthermore, when applying the modified sulfur to asphalt composition, gelation and depression are reduced, properties such as bending strength and tensile strength are improved, and it is possible to obtain asphalt composition with good working stability at RT.

Inhibitors of metal corrosion

The present invention relates to a composition of at least one sulfonic acid in combination with an effective amount of at least one nitrosyl compound, acting as inhibitor of corrosion of metals by said at least one sulfonic acid.

FILM FORMING METHOD OF CORROSION RESISTANT FILM, CORROSION RESISTANT MEMBER ON WHICH CORROSION RESISTANT FILM IS FORMED, HEAT EXCHANGER, AND FUEL CELL SYSTEM

Provided is a film forming method of a corrosion resistant film having a corrosion resistance under acidic atmosphere and a corrosion resistant member on which the corrosion resistant film is coated. The film forming method of the corrosion resistant film includes: bringing a substrate made of aluminum into contact with an aqueous solution containing sulfate ions and fluoride ions; and heating the substrate to boil the aqueous solution on a surface of the substrate and forming a corrosion resistant film containing at least oxygen, fluorine, and sulfur in the aluminum derived from the substrate on the surface of the substrate. 1. A film forming method of a corrosion resistant film , comprising:bringing a substrate made of aluminum into contact with an aqueous solution containing sulfate ions and fluoride ions; andheating the substrate to boil the aqueous solution on a surface of the substrate to form a corrosion resistant film containing oxygen, fluorine, and sulfur in the aluminum derived from the substrate on the surface of the substrate.2. The film forming method of the corrosion resistant film according to claim 1 ,wherein the substrate forms a wall portion of a storage portion that stores the aqueous solution as a part of a heat exchanger,wherein in the bringing, the storage portion is caused to store the aqueous solution, andwherein in the heating, a heat of a thermal fluid introduced to the heat exchanger and having a temperature higher than a boiling point of the aqueous solution is transmitted to the aqueous solution via the wall portion to boil the aqueous solution.3. The film forming method of the corrosion resistant film according to claim 2 ,wherein the heat exchanger is disposed in a fuel cell system including a fuel cell stack that performs electric generation with an air and a hydrogen gas,wherein the aqueous solution is produced water produced during the electric generation by the fuel cell stack,wherein the thermal fluid is an air discharged from an ...

METHODS AND SYSTEMS UTILIZING A BORON-CONTAINING CORROSION INHIBITOR FOR PROTECTION OF TITANIUM SURFACES

Some metal surfaces are often unable to be contacted effectively with fluids containing hydrofluoric acid or acidic fluoride ions due to significant corrosion issues. Metal surfaces comprising titanium or a titanium alloy represent but one example. Corrosion inhibitor compositions comprising boric acid and other boron-containing compounds may at least partially suppress corrosion of titanium and titanium alloy surfaces. Methods for suppressing corrosion may comprise: introducing a treatment fluid comprising hydrofluoric acid or a hydrofluoric acid-generating compound to a subterranean formation; forming an at least partially spent treatment fluid in the subterranean formation; adding a corrosion inhibitor composition comprising a boron-containing compound to the subterranean formation, thereby forming an inhibited, at least partially spent treatment fluid in the subterranean formation; and contacting the inhibited, at least partially spent treatment fluid with a metal surface comprising titanium or a titanium alloy. 1. A method comprising:introducing a treatment fluid comprising hydrofluoric acid or a hydrofluoric acid-generating compound to a subterranean formation;forming an at least partially spent treatment fluid in the subterranean formation;adding a corrosion inhibitor composition comprising a boron-containing compound to the subterranean formation, thereby forming an inhibited, at least partially spent treatment fluid in the subterranean formation; andcontacting the inhibited, at least partially spent treatment fluid with a metal surface comprising titanium or a titanium alloy.2. The method of claim 1 , wherein the boron-containing compound suppresses corrosion of the metal surface by hydrofluoric acid.3. The method of claim 1 , further comprising:producing the inhibited, at least partially spent treatment fluid from the subterranean formation.4. The method of claim 3 , wherein the inhibited claim 3 , at least partially spent treatment fluid is produced ...

PASSIVATION MIXTURE AND SYSTEMS AND METHODS FOR SELECTIVELY PASSIVATING SUBSTRATE MATERIALS INCLUDING GERMANIUM OR TYPE lll-lV MATERIALS USING THE PASSIVATION MIXTURE

A liquid passivation mixture for passivating an outer layer of a substrate comprises a first material selected from group consisting of sulfur or selenium and a base selected from a group consisting of quaternary ammonium compound, sodium hydroxide (NaOH), potassium hydroxide (KOH), and amine. 1. A liquid passivation mixture for passivating an outer layer of a substrate , comprising:a first material selected from group consisting of sulfur or selenium; anda base selected from a group consisting of quaternary ammonium compound, sodium hydroxide (NaOH), potassium hydroxide (KOH), and amine.2. The liquid passivation mixture of claim 1 , further comprising water to dilute the liquid passivation mixture from 10 to 1000 times.3. The liquid passivation mixture of claim 1 , wherein the quaternary ammonium includes tetra-alkyl ammonium hydroxide.4. The liquid passivation mixture of claim 1 , wherein the amine is selected from a group consisting of ethylenediamine claim 1 , alkanolamine claim 1 , diethylenetriamine claim 1 , N-methylpyrrolidone claim 1 , acetamide claim 1 , tertiary amine claim 1 , secondary amine and primary amine.5. The liquid passivation mixture of claim 1 , wherein a concentration of sulfide ions is in a range between 0.0001 to 10 molar (M).6. The liquid passivation mixture of claim 1 , wherein a concentration of sulfide ions is in a range between 1 and 10M.7. The liquid passivation mixture of claim 1 , wherein the liquid passivation mixture has a pH greater than 6.8. A method for passivating a substrate claim 1 , comprising:providing a substrate comprising an outer layer including a material selected from a group consisting of germanium and a type III/IV material; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'passivating the outer layer by dispensing the liquid passivation mixture of onto the substrate.'}9. The method of claim 8 , wherein the liquid passivation mixture is dispensed onto the substrate using a spin chuck.10. The method of claim 8 , ...

Methods and Systems Utilizing a Boron-Containing Corrosion Inhibitor for Protection of Titanium Surfaces

Some sensitive metal surfaces are often unable to be contacted effectively with hydrofluoric acid or acidic fluoride ions due to significant corrosion issues that may occur. Metal surfaces comprising titanium or a titanium alloy represent but one example of sensitive metal surfaces having this issue. Corrosion inhibitor compositions comprising boric acid and other boron-containing compounds may at least partially suppress corrosion of titanium and titanium alloy surfaces. Methods for suppressing corrosion may comprise: contacting a metal surface comprising titanium or a titanium alloy with a corrosion inhibitor composition comprising a boron-containing compound; and interacting the metal surface with a fluid phase comprising hydrofluoric acid or acidic fluoride ions.

WATER-BASED ENGINE COOLANT FOR USE IN TROPICAL ENVIRONMENTS, METHOD FOR MAKING AND USING SAME

A water-based coolant formulated to reduce water evaporation and metal corrosion is provided, the coolant having between about 25 and about 100 ml/L extract of a humectant containing quinone compounds dissolved in water; and between about 1 and about 10 g/L of at least one corrosion inhibitor dissolved along with the extract of Aloe Vera. Also provided is a method for minimizing metal corrosion, the method comprising contacting metal surfaces with a solution of Aloe Vera extract. 1. A water-based coolant formulated to prevent water evaporation , the coolant comprising:a) between about 25 and about 100 ml/L extract of a humectant containing quinone compounds dissolved in water; andb) between about 1 and about 10 g/L of at least one corrosion inhibitor dissolved along with the extract.2. The water-based coolant of wherein the at least one corrosion inhibitor is a moiety selected from the group consisting of benzoate claim 1 , nitrate claim 1 , phosphate claim 1 , triazoles claim 1 , salicylic acid claim 1 , borax claim 1 , and combinations thereof.3. The water-based coolant of wherein the moieties are salts or neat compounds.4. The water-based coolant of wherein the extract comprises Aloe Vera.5. The water-based coolant of wherein the at least one corrosion inhibitor is a combination of borax and salicylic acid.6. A method for cooling engines claim 1 , the method comprising:a) dissolving between about 25 and about 100 ml/L extract of a humectant containing quinone group compounds in water;b) dissolving between about 1 and about 10 g/L of at least one corrosion inhibitor dissolved along with the extract of the humectant; andc) providing the solution obtained from steps a and b to the liquid cooling system of an engine.7. The method of wherein the at least one corrosion inhibitor is a moiety selected from the group consisting of benzoate claim 6 , nitrate claim 6 , phosphate claim 6 , triazoles claim 6 , salicylic acid claim 6 , borax claim 6 , and combinations thereof. ...

CORROSION INHIBITOR COMPOSITION, TRANSPORT FLUID MIXTURE, METHOD FOR CHARGING CORROSION INHIBITOR COMPOSITION, WINZE, AND PIPELINE

A corrosion inhibitor composition contains an organic long-chain compound having a polar group and hydrophobic silica. In a method for charging a corrosion inhibitor composition, the corrosion inhibitor composition constituted of a first corrosion inhibitor composition containing an organic long-chain compound having a polar group and a second corrosion inhibitor composition containing hydrophobic silica is charged into a fluid mixture including at least one hydrocarbon fluid selected from the group consisting of a liquid-phase hydrocarbon fluid and a gas-phase hydrocarbon fluid and water. 1. A corrosion inhibitor composition comprising:an organic long-chain compound having a polar group; andhydrophobic silica.2. The corrosion inhibitor composition according to claim 1 , further comprising:an organic solvent.3. A transport fluid mixture comprising:at least one hydrocarbon fluid selected from the group consisting of a liquid-phase hydrocarbon fluid and a gas-phase hydrocarbon fluid;water; anda corrosion inhibitor composition containing an organic long-chain compound having a polar group and hydrophobic silica.4. The transport fluid mixture according to claim 3 ,wherein the organic long-chain compound having a polar group has one or more selected from nitrogen, oxygen, and sulfur.5. The transport fluid mixture according to claim 3 , wherein the corrosion inhibitor composition further includes an organic solvent.6. The transport fluid mixture according to claim 5 , wherein the organic solvent is a liquid phase at a temperature and a pressure that are transport conditions of the transport fluid mixture.7. The transport fluid mixture according to claim 5 , wherein the organic solvent is an aromatic compound.8. A method for charging a corrosion inhibitor composition comprising:a corrosion inhibitor composition charging step of charging a corrosion inhibitor composition into a fluid mixture including at least one hydrocarbon fluid selected from the group consisting of a ...

Magnesium rich coatings and coating systems

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion™ exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

A kind of aluminium carbon steel galvanic corrosion corrosion inhibiter and preparation method

本发明公开了一种纯铝‑碳钢电偶腐蚀缓蚀剂及制备方法，属于电偶腐蚀缓蚀剂技术领域，包含：组份A 20.0‑100.0重量份；组份B 0‑60重量份；除盐水余量；所述组份A包含水合联氨、羟胺的一种或多种；所述组份B包含L‑抗坏血酸、亚硫酸盐的一种或多种，将组份A和组份B复配后加入纯铝‑碳钢所在的循环水系统中，可以有效降低系统中的纯铝‑碳钢电偶腐蚀速率。

Closed cycle water zero discharge system and application method

本发明公开了一种闭式循环水零排放系统及使用方法，系统包括闭式冷却塔、换热盘管、第一循环泵、多个水冷换热器和第一补水箱，多个所述水冷换热器并联设置，所述换热盘管、所述第一循环泵和所述水冷换热器连接在一起形成闭式循环流路，所述第一补水箱通过第一补液泵连接所述闭式循环流路，所述换热盘管设置在所述闭式冷却塔中；所述第一补水箱中盛放有第一超分子药剂。实现提高闭式循环水零排放系统的冷却水换热效率，并减少污水排放量。

Waterproof coating material, method for the preparation of the same, and waterproof coating layer by the same

방수재료, 방수재료의 제조방법, 방수코팅막에 대한 발명으로, 방수재료는 섬유상(fiber), 판상(film), 또는 망목구조(network structure)의 미세조직 형상을 포함하거나 방사성(spinnability)을 가지는 개질유황을 포함한다. 상기 방수재료는, 방수코팅막에 우수한 특성을 부여할 수 있으며, 작업용이성이 우수하고, 경화성, 염수분무저항성, 용접성 등이 적정한 수준 이상의 특성을 가지며, 특히 접착성이 향상된 방수재료와 이의 제조방법을 제공하고, 이를 이용하여 속건성을 가지는 방수코팅막을 형성하는 방법도 제공한다.

Method of applying a magnesium-containing powder to the surface of an aluminum or aluminum alloy substrate

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion™ exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Method of applying a magnesium-containing powder to the surface of an aluminum or aluminum alloy substrate

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion™ exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Magnesium rich coatings and coating systems

Magnesium-rich coatings and coating systems

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by Prohesion(TM) exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Magnesium rich coatings and coating systems

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by ProhesionTM exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Magnesium rich coatings and coating systems

Un procedimiento de tratar un metal aluminio o de aleación de aluminio para mejorar la resistencia a la corrosión del metal, comprendiendo dicho procedimiento: aplicar a la superficie del metal, un revestimiento que comprende polvo de magnesio y un aglutinante.

Magnesium rich coatings and coating systems

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by ProhesionTM exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Magnesium rich coatings and coating systems

Disclosed are methods of treating a metal to improve the metal's corrosion resistance. The method includes applying, to the surface of the metal, a coating which comprises magnesium powder and a binder. The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer. The inventors have found that corrosion resistance (as determined by ProhesionTM exposure in accordance with ASTM D5894-96, which is hereby incorporated by reference) in excess of 3,000 hours on 2024 T-3 aluminum alloy can be achieved with the methods and coating compositions of the present invention.

Antifreeze concentrates on the basis of dicarboxylic acids, molbdate and triazoles or thiazoles and coolant compositions containing these concentrates

防冻浓缩物基于至少两种不同的C 3 -C 16 -二羧酸、钼酸盐和至少两种不同的三唑或噻唑的混合物。

Shotcrete admixtures and fabrication method thereof

이 출원은 숏크리트 조성물, 및 이의 제조방법에 대한 발명으로, 숏크리트 조성물은 섬유상(fiber), 판상(film), 또는 망목구조(network structure)의 미세조직 형상을 포함하거나 방사성(spinnability)을 가지는 개질유황을 포함하여 매우 빠른 경화 시간을 가지고, 강한 부착력 및 탄성력을 가지며, 고강도 등의 특성을 발휘할 수 있는 숏크리트 조성물 등에 대한 발명이다. The present invention relates to a shotcrete composition and a method for producing the same, wherein the shotcrete composition comprises a microstructure of a fiber, a film, or a network structure, or a modified sulfur having spinnability A shotcrete composition having a very fast curing time, a strong adhesive force and an elastic force, and exhibiting properties such as high strength.

Process for corrosion control in boilers

本发明记载一种腐蚀控制方法。该方法特别适用于控制废物能量转化锅炉中的氯化物腐蚀。高温表面的腐蚀可通过监控器进行评价，而且通过靶向炉内注入受控地引入处理化学品可降低腐蚀同时使燃烧效率最大化。本发明还记载一种腐蚀监控器。在选取腐蚀控制化学品和炉内靶向注入的位置前后，借助于本发明的方法和设备监控注入方案、化学品选择和引入参数，以调整一个或多个控制参数，进而控制腐蚀。优选的方法将采用包含SO 2 或SO 3 试剂如硫酸、硫酸盐或亚硫酸氢盐的处理化学品。

Antifreeze concentrates on the basis of dicarboxylic acids, molybdate and triazoles or thiazoles and coolant compositions containing these concentrates

본 발명은 2 종 이상의 상이한 C 3 -C 16 디카르복실산, 몰리브덴산염 및 2 종 이상의 상이한 트리아졸 또는 티아졸의 혼합물을 주성분으로 하는 부동액 농축물에 관한 것이다. The present invention relates to antifreeze concentrates based on a mixture of two or more different C 3 -C 16 dicarboxylic acids, molybdates and two or more different triazoles or thiazoles.

Aqueous composition for pretreating a metal surface before applying another coating or for treating said surface

본 발명은 금속 표면을 처리하거나 추가 코팅을 적용하기 전에 금속 표면을 전처리하기 위한 수성 조성물에 관한 것이다. 본 발명의 수성 조성물은 a) 적어도 나트륨, 칼륨, 및/또는 암모늄 물 유리, 및 b) 하나 이상의 실란을 물에 첨가함으로써 얻어지며, 각각의 경우에 이로부터 생성된 반응 생성물을 포함하여, a) 대 b)의 양비는 바람직하게는 0.1:1 내지 2:1의 범위이다. The present invention relates to an aqueous composition for pretreating a metal surface before treating the metal surface or applying an additional coating. The aqueous composition of the present invention is obtained by adding a) at least one sodium, potassium, and / or ammonium water glass, and b) at least one silane to water, and in each case comprising the reaction product resulting therefrom, To b) is preferably in the range of 0.1: 1 to 2: 1.

An inhibitor of the corrosion and stress corrosion cracking containing nickel boride(nib) in the secondary side of steam generator tubes in nuclear power plants and inhibiting method using the same

본 발명은 니켈보라이드(NiB)를 포함하는 원자력발전소 증기발생기 전열관 2차측의 부식 및 응력부식균열 억제제 및 억제 방법에 관한 것이다. The present invention relates to a corrosion and stress corrosion cracking inhibitor and suppression method of the secondary side of the nuclear power plant steam generator tube containing nickel boride (NiB). 보다 상세하게는, 본 발명의 니켈보라이드는 고염기성 조건에서 기준용액보다 원자력발전소 증기발생기 전열관을 모사한 시험판의 응력부식균열의 발생을 감소시키며, 부식전류밀도 및 산화피막 두께를 감소시켜 부식저항성을 증가시키므로 원자력발전소 증기발생기 전열관 2차측의 부식 및 응력부식균열을 억제하는 데 효과적으로 이용될 수 있다. More specifically, the nickel boride of the present invention reduces the occurrence of stress corrosion cracking of the test plate, which simulates the steam generator heat pipes of the nuclear power plant rather than the reference solution under high basic conditions, and reduces corrosion current density and oxide film thickness to reduce corrosion resistance. It can be effectively used to suppress corrosion and stress corrosion cracking in the secondary side of nuclear power plant steam generator tube. 니켈보라이드, 부식, 응력부식균열 Nickel boride, corrosion, stress corrosion cracking

A kind of anti-icing fluid and its production technology

本发明公开了一种防冻液及其生产工艺，由以下质量份数的原料制成：乙二醇75‑95份、去离子水55‑75份、苯丙三氮锉0.02‑0.04份、硼砂0.15‑0.25份、亚硝酸钠0.1‑0.3份、三乙醇胺0.035‑0.045份、色素0.5‑0.7份、磷酸钠0.3‑0.6份、钼酸钠1‑2份、硅酸钠0.22‑0.56份、聚乙二醇0.01‑0.10份、甲基硅油0.1‑0.2份。本发明的搪瓷反应釜相对于传统不锈钢釜，耐酸耐碱性更好，使用寿命更长，且不易引入杂质，保证成品的产品质量。使用温度较高的去离子水，可显著加快加大添加剂溶解速度，提高生产效率，降低能耗。苯丙三氮锉和硼砂粉碎至2000目混合，反应高效，且成品防锈性能好。色素预先通过热水逐步溶解，与混合液三混合上色更均匀，成品颜色均匀透明、无沉淀、无异味。

Waterproof coating material, method for the preparation of the same, and waterproof coating layer by the same

방수재료, 방수재료의 제조방법, 방수코팅막에 대한 발명으로, 방수재료는 섬유상(fiber), 판상(film), 또는 망목구조(network structure)의 미세조직 형상을 포함하거나 방사성(spinnability)을 가지는 개질유황을 포함한다. 상기 방수재료는, 방수코팅막에 우수한 특성을 부여할 수 있으며, 작업용이성이 우수하고, 경화성, 염수분무저항성, 용접성 등이 적정한 수준 이상의 특성을 가지며, 특히 접착성이 향상된 방수재료와 이의 제조방법을 제공하고, 이를 이용하여 속건성을 가지는 방수코팅막을 형성하는 방법도 제공한다. The invention relates to a waterproofing material, a method of manufacturing the waterproofing material, and a waterproofing coating film, wherein the waterproofing material includes fibers, films, or network structures having a microstructure or has a spinnability. Contains sulfur. The waterproofing material may impart excellent properties to the waterproofing coating film, has excellent workability, and has a property of more than an appropriate level of curability, salt spray resistance, weldability, and the like, and in particular, the waterproofing material having improved adhesion and a method of manufacturing the same. It also provides a method of forming a waterproof coating film having a quick-drying using it.

Process for corrosion control in boilers

본 발명은 부식 억제 방법에 관한 것이다. 본 발명의 방법은 폐기물 에너지 전환 보일러의 염화물 부식을 억제하는 데 특히 유용하다. 고온 표면의 부식이 모니터에 의해 측정되고, 노 주입시 표적화됨으로써 화학 처리제의 도입이 제어되어 부식을 감소시키면서 연소 효율을 최대화시킨다. 또한, 본 발명은 부식 모니터에 관한 것이다. 화학 처리제 및 노 주입시 표적화되기 위한 위치를 선택하기 전 및 후, 주입방법 및 화학물질의 선택 및 도입 파라미터가 본 발명의 방법 및 장치에 의해 모니터링되어 부식을 감소시키도록 하나 또는 그 초과의 제어 파라미터를 조절한다. 바람직한 방법은 SO 2 또는 SO 3 시약, 예를 들어, 황산, 황, 설페이트 염 또는 비설파이트 염을 포함하는 화학 처리제를 사용한다. The present invention relates to a method of inhibiting corrosion. The process of the invention is particularly useful for suppressing chloride corrosion of waste energy conversion boilers. Corrosion of hot surfaces is measured by a monitor and targeted at furnace injection to control the introduction of chemical treatments to maximize corrosion efficiency while reducing corrosion. The invention also relates to a corrosion monitor. Before and after selecting a location for targeting in chemical treatment and furnace injection, one or more control parameters such that the injection method and chemical selection and introduction parameters are monitored by the method and apparatus of the present invention to reduce corrosion. Adjust Preferred methods use chemical treatments comprising SO 2 or SO 3 reagents, such as sulfuric acid, sulfur, sulfate salts or bisulfite salts.

Method of inhibiting reactions between alkalis and a filling agent

This invention relates to a method of inhibiting alkali- silica or alkali-aggregate reactions (AAR/ASR) in concrete structures by introducing lithium compounds or the like in conjunction with conventional techniques for the treatment of steel reinforcement corrosion. It is also proposed to provide lithium compounds in repair concretes, grouts or mortars and use the difference in concentration between the article under repair and the repair material to introduce the lithium ions into the concrete under repair, once again inhibiting AAR/ASR reactions.

A kind of processing method of silane coupler modified steel fiber surface

本发明属于建筑材料领域，具体涉及一种硅烷偶联剂改性钢纤维表面的处理方法。所述方法首先需配制硅烷偶联剂水解液，水解液的配制为硅烷偶联剂、醇、去离子水按一定比例混合。然后将钢纤维进行预处理，预处理的过程包括：用清洁液清洗表面，强碱溶液浸泡，去离子水清洗，酒精或丙酮清洗。最后，将预处理后的钢纤维浸入硅烷水解液中，3‑5min后取出，在90‑120℃的烘箱中烘烤0.5‑2h小时，固化成膜。本发明所述方法原料简单，廉价易得，通过本方法对钢纤维表面进行处理后，钢纤维表面抗腐蚀性能良好，且钢纤维与水泥基体之间的界面粘结力显著提高，可提升钢纤维混凝土的抗折抗弯性能。

Corrosion and scale prevention - in sea water desalination plant

Before the sea water enters the plant it is treated with SO2, sulphites or bisulphites to remove dissolved oxygen. The acid reaction of the addition is then neutralised ot pH7 with NaOH. Method is simpler and cheaper than in prior art. Tartar inhibitors e.g., polyphosphates may also be used.

Patent FR1570819A

Surface treatment method of magnesium alloy for corrosion protection and surface-treated magnesium alloys using the same

The present invention relates to a method to surface treat a magnesium alloy for corrosion resistance capable of protecting corrosion for a long time even if coating is peeled off by forming a new natural oxide film and coating, by removing the existing natural oxide film (native oxide film) and impurities at the same time as the surface of a magnesium alloy is polished while an inert gas is sprayed to the surface of the magnesium alloy or while a liquid state is in contact with the surface of the magnesium alloy; and a magnesium alloy material surface treated thereby. According to the present invention, the method to surface treat a magnesium alloy for corrosion resistance comprises: a first step of removing the existing natural oxide film (native oxide film), and forming a new natural oxide film by polishing the surface of a magnesium alloy while a liquid state is in contact with the surface of the magnesium alloy; a second step of drying the surface of the magnesium alloy having the new natural oxide film; and a third step of coating the surface of the dried magnesium alloy.

Pretreatment compositions, coated aluminum alloys, and methods of making the same

Described herein are pretreatrnent compositions, coated aluminum alloy products, and methods for coating the alloys. The pretreatrnent compositions include inorganic chemical corrosion inhibitors dispersed in a silane-based matrix and may further include clay particles. The inorganic chemical corrosion inhibitors include rare earth metals and salts thereof. The pretreatrnent compositions, when applied to the surface of an alloy, inhibit corrosion of the alloys. The pretreatrnent compositions can be used in automotive, electronics, industrial, transportation, and other applications.

Corrosion inhibiting solutions for absorption systems

Anti-corrosion solutions and processes useful for refrigeration processes are disclosed. Heteropoly complex anions of transitional metal elements can be added to an absorption solution which includes aqueous ammonia, alkali metal hydroxide and/or alkaline earth metal hydroxide, optionally in combination with transition metal compounds or compounds of the metallic elements of Groups IIIa to VIa of the Periodic Table of Elements to minimize corrosion of systems within which the solution is used.

Method for lowering ph using urea sulfate in the presence of corrosion inhibitor

A method for adjusting pH of an aqueous solution during a processing event that includes the addition of urea sulfate to the solution in the presence of a corrosion inhibitor. The processing event can be relating any number of applications, including but not limited to, textile, paper, agricultural, metals, and water applications.

Aqueous composition for pretreating a metallic surface before further coating or for treating said surface

The invention relates to an aqueous composition for pretreating a metal surface before applying another coating or for treating said surfaces. The aqueous composition is obtained by adding a) at least natrium, kalium, and/or ammonium water glass and b) at least one silane to water, the quantity ratio of a) to b) preferably ranging from 0.1 : 1 to 2 : 1 including the reaction products produced therefrom in each case.

Process for Removing Oxygen from Water.

20,465. Gans, H. Sept. 11, 1912, [Convention date]. Corrosion, preventing.-The free oxygen dissolved in water for feeding boilers and for other purposes is removed by the addition of sulphur compounds capable of absorbing oxygen such as sulphurous acid, hydrosulphurous acid, one uf the polythionic acids, or any of the salts of these acids, or sulphuretted hydrogen. A catalytic agent such as a copper or iron salt may be added. Specifications 2218/66 and 3365/76, [both in Class 46, Filtering &c.], 8883/89, 2577/91, and 6933/03 and 22,193/09, [both in Class 46, Filtering &c.], describe the use of oxidizable sulphur compounds for purifying water and for removing the oxygen formed from the impurities in water by heating.

Anti-freeze anti-corrosion concentrates

The present invention relates to anti-freeze anti-corrosion concentrates, methods for producing said concentrates from super concentrates, aqueous coolant compositions on the basis of said concentrates and use of same.

Antifreeze concentrates based on dicarboxylic acids, molybdate and triazoles or thiazoles, and coolant compositions comprising them

Antifreeze concentrates are based on a mixture of at least two different C3- to C16-dicarboxylic acids, molybdate and a mixture of at least two different triazoles or thiazoles.

Method of protecting water pipes against corrosion

Pretreatment compositions, coated aluminum alloys, and methods of making the same

Described herein are pretreatment compositions, coated aluminum alloy products, and methods for coating the alloys. The pretreatment compositions include inorganic chemical corrosion inhibitors dispersed in a silane-based matrix and may further include clay particles. The inorganic chemical corrosion inhibitors include rare earth metals and salts thereof. The pretreatment compositions, when applied to the surface of an alloy, inhibit corrosion of the alloys. The pretreatment compositions can be used in automotive, electronics, industrial, transportation, and other applications.

Protection of aluminum based structures against heat transfer corrosion in cooling systems

A method is disclosed of protecting heated aluminum based metals subject to heat transfer through the metal to a circulating aqueous cooling solution in contact therewith. The initially constituted cooling solution contains an alkali metal silicate in an adjusted amount above 0.2 gram per liter. The solution while functioning in the cooling system is then exposed to an alkali metal silicate glass causing the glass to progressively dissolve and stabilize the silicate at a level of at least 0.1 gram per liter. The initially prepared solution may also contain ethylene or propylene glycol, alkali metal phosphates and tetraborates in a ratio greater than 4:1, and nitrate, mercaptobenzothiazole or tolyltriazole.

Gelation stabilized water-soluble silicates

GELATION STABILIZED WATER-SOLUBLE SILICATES Abstract of the Disclosure Gelation resistant alcohol compositions containing water-soluble silicates are obtained by the use of effective silicate gelation stabilizing amounts of at least one of a polymer of acrylic acid, alkaline earth metal and alkaline earth metal salts thereof; a sugar alcohol; and a water-soluble salt of molybdic, tungstic, or selenic acids.

Silver surface treatment agent, and light-emitting device

Cooling water scale inhibition method

Methods for inhibiting corrosion in aqueous evaporative systems where soluble silica (SiO 2 ) is maintained at residuals between 10 Mg/L and saturation, but more preferably maintained at greater than 300 mg/L as SiO 2 , to provide corrosion inhibiting silica films that protect system metals. Silica is provided by evaporation of water and subsequent concentration and transformation of silica naturally contained in source water. The methods of the present invention provide highly effective inhibition of corrosion for mild steel, copper, stainless steel, aluminum, zinc, galvanized steel and various alloys of such metals. The methods of the present invention comprise pretreatment removal of polyvalent metal ions from the makeup source water, maintenance of concentration of monovalent metal ions, and controlling pH at a minimum of 7.0 in the presence of an elevated temperature aqueous environment. Thereafter, specified water chemistry residual ranges are maintained in the aqueous system to achieve inhibition of scale and corrosion.

Coating method for electric distribution board equipment and coated electric distribution board equipment by method thereof

The present invention relates to a coating method for electric distribution board equipment and coated electric distribution board equipment by the coating method and, more specifically, relates to a coating method for electric distribution board equipment and electric distribution board equipment thereby, which can prevent corrosion of a booth bar and a terminal, has an advantage for an insulation effect to be continued, can reduce dangerousness of fire occurrence due to a flame-resistant effect, and can reduce a gap between terminals to enable the electric distribution board equipment to be more compact.

Closed loop cooling water corrosion inhibition employing polymaleates and non-borate buffers

A method of inhibiting corrosion of a metal surface in contact with an aqueous medium is provided. The method may include contacting the metal surface with a corrosion inhibitor composition where the corrosion inhibitor composition may include a compound or salt thereof of formula (I). The disclosed corrosion inhibitor composition is especially useful for inhibiting corrosion in closed loop systems.

Silver surface treatment agent, and light-emitting device

本發明之銀的表面處理劑，含有層狀矽酸化合物。又，本發明之發光裝置，其包括具有鍍銀層之基板、承載於基板上之發光二極體、及含有層狀矽酸化合物之膜，該膜設置於鍍銀層的表面。

Aqueous composition for pretreating a metal surface before applying another coating or for treating said surface

For pre-treated metal surface before coating further or for processing the Aquo-composition on described surface

本发明涉及一种用于在进一步涂覆之前预处理金属表面或用于处理所述表面的含水组合物。所述含水组合物通过向水中加入a)至少钠、钾和/或铵水玻璃和b)至少一种硅烷得到，其中a)与b)的用量比，在每种情况下包括所得的反应产物，优选为0.1:1‑2:1。

Process for the protection of magnesium and magnesium alloys against attack by water, alcohols and non-oxidizing saline melting baths, at room temperature and at elevated temperature

Improvements in and relating to treatments for concrete

Corrosion inhibitor

Cooling water corrosion inhibition method

Methods for inhibiting corrosion in aqueous evaporative systems where soluble silica (SiO 2 ) is maintained at residuals between 10 Mg/L and saturation, but more preferably maintained at greater than 300 mg/L as SiO 2 , to provide corrosion inhibiting silica films that protect system metals. Silica is provided by evaporation of water and subsequent concentration and transformation of silica naturally contained in source water. The methods of the present invention provide highly effective inhibition of corrosion for mild steel, copper, stainless steel, aluminum, zinc, galvanized steel and various alloys of such metals. The methods of the present invention comprise pretreatment removal of polyvalent metal ions from the makeup source water, maintenance of concentration of monovalent metal ions, and controlling pH at a minimum of 7.0 in the presence of an elevated temperature aqueous environment. Thereafter, specified water chemistry residual ranges are maintained in the aqueous system to achieve inhibition of scale and corrosion.

Method for forming corrosion-resistant film, corrosion-resistant member having corrosion-resistant film formed thereon, heat exchanger, and fuel cell system

提供一种在酸性气氛下具有耐蚀性的耐蚀性被膜的成膜方法和被覆有耐蚀性被膜的耐蚀性构件。所述耐蚀性被膜的成膜方法至少包括：使包含铝的基材(11)与包含硫酸根离子和氟离子的水溶液(L)接触的接触工序；以及通过加热基材(11)，来使水溶液(L)在基材(11)的表面沸腾，从而在基材(11)的表面形成耐蚀性被膜(12)的成膜工序，耐蚀性被膜(12)在来自基材(11)的铝以外还至少含有氧、氟和硫。

METHOD FOR INHIBITING STRESS CORROSION CRACKING IN THE SECONDARY CIRCUIT IN NUCLEAR STEAM GENERATOR TUBES

Antifreeze concentrates based on dicarboxylic acids, molybdates and triazoles or thiazoles and refrigerant compositions containing these antifreeze concentrates

Rust-proofing liquid for screw parts, manufacturing method of rust-proofing screw parts, and rust-proofing screw parts

TREATMENT PROCEDURE AGAINST CORROSION AND SEDIMENTS IN SANITARY WATER FACILITIES AND APPARATUS FOR THE PERFORMANCE OF THE PROCEDURE.

Procedimiento de tratamiento preventivo de la corrosión, de la oxidación y/o de sedimentos en unos circuitos de circulación de agua sanitaria, que comprende las etapas siguientes: - diagnóstico que comprende un análisis de elementos químicos del agua que circula en dicho circuito mediante la extracción de agua que circula en dicho circuito; y - tratamiento preventivo de la corrosión, de la oxidación y/o de sedimentos de dicho circuito de agua sanitaria mediante la puesta en servicio de un grupo de tratamiento que inyecta un producto de tratamiento, caracterizado porque - la etapa de diagnóstico comprende un análisis del estado de corrosión, de la oxidación y de sedimentos de circuito de circulación de agua sanitaria, porque el grupo de tratamiento (3) mide el caudal de agua que entra en el circuito de circulación de agua sanitaria (2), y porque el producto de tratamiento comprende unos silicatos, siendo la cantidad de producto inyectado proporcional al volumen de agua que entra en el circuito de circulación de agua sanitaria así como a la cantidad de elementos químicos del agua que circula en dicho circuito detectada cuando tiene lugar la fase de diagnóstico, no sobrepasando la cantidad máxima de producto inyectado un valor fijado por las normas alimentarias. Procedure for the preventive treatment of corrosion, oxidation and / or sediment in sanitary water circulation circuits, which includes the following steps: - diagnosis comprising an analysis of chemical elements of the water circulating in said circuit by means of extraction of water circulating in said circuit; and - preventive treatment of corrosion, oxidation and / or sediment of said sanitary water circuit by commissioning a treatment group that injects a treatment product, characterized in that - the diagnostic stage comprises an analysis of the state of corrosion, oxidation and sediment of sanitary water circulation circuit, because the treatment group (3) measures the flow of water entering the sanitary ...

Novel coolants with improved storage stability

The present application describes coolants with increased activity against corrosion of aluminium and aluminium alloys and improved storage stability, the corresponding coolant concentrates, and the use of such coolants.

A kind of modified water-soluble compound closure agent and preparation method thereof

本发明公开了一种改性水性复合封闭剂及其制备方法，涉及水性封闭剂技术领域，所述改性水性复合封闭剂由甲基硅树脂、聚四氟乙烯、硅溶胶、石墨烯、催化剂、成膜剂、润滑剂、促进剂、金属缓蚀剂、表面活性剂、硅烷偶联剂、低碳醇、水组成，本发明的复合封闭剂为水性体系，不含有机溶剂，有利于环境保护和操作者的健康，封闭处理后的镀锌材料的附着力明显增加，中性盐雾时间超过400h，封闭剂干燥后为均一、平整、不变色的透明薄膜，可以用做最终的防腐涂层，且封闭剂制备方法简单，实用性高。

Improvements in concrete handling

Low-viscous cooling salt lacquer with improved corrosion control

Low viscous cooling brines with improved corrosion protection

Anti-corrosion pigments coming from dust of an electic arc furnace and containing sacrificial calcium

anti-corrosion pigments derived from the dust of an arc flash furnace and containing sacrificial calcium

PIGMENTOS ANTICORROSãO DERIVADOS DA POEIRA DE UM FORNO DE ARCO VOLTAICO E CONTENDO CáLCIO SACRIFICIAL. Um pigmento à base de ferrita anticorrosão, derivado de um processo hidrometalúrgico para purificação de poeira EAF. A poeira EAF é gerada em um forno de arco voltaico para produção de aço carbono, pelo processamento de sucata de metal, ferro diretamente reduzido e/ou hematita pré-reduzida e usando uma escória rica em CaO; a partir da reação de condensação de vapores de metal de Fe ou Zn e de Mn, Mg, Si e/ou Al, e partículas suspensas de CaO e oxigênio. O pigmento contém uma quantidade não tóxica de chumbo e inclui óxidos de metal condensado, compreendendo ferritas MOFe2e3, M sendo Zn, Fe, Mn e Mg e combinações dos mesmos. Os óxidos condensados possuem estruturas preservadas de poeira EAF e de agregados das mesmas. O pigmento inclui CaO aprisionado pelas estruturas de ferrita e sendo parcialmente disponível para reagir com ar úmido e/ou água para proteger o substrato contra corrosão. Os pigmentos são revestidos ou não. Eles são usados para formulações antifuligem ou pintura. ANTI-CORROSION PIGMENTS DERIVED FROM THE DUST OF A VOLTAGE ARC OVEN AND CONTAINING SACRIFICIAL CALCIUM. An anti-corrosion ferrite-based pigment derived from a hydrometallurgical EAF dust purification process. EAF dust is generated in an arc steel furnace for carbon steel production by processing scrap metal, directly reduced iron and / or pre-reduced hematite and using a CaO rich slag; from the condensation reaction of Fe or Zn metal vapors and Mn, Mg, Si and / or Al, and suspended particles of CaO and oxygen. The pigment contains a non-toxic amount of lead and includes condensed metal oxides comprising MOFe2e3, M ferrite being Zn, Fe, Mn and Mg and combinations thereof. The condensed oxides have preserved EAF dust and aggregate structures. The pigment includes CaO trapped by ferrite structures and partially available to react with moist air and / or water to protect the substrate from ...

Process and composition for inhibiting corrosion of metals

corrosion resistant aluminum foam products

produtos de espuma de alumínio resistentes á corrosão. um produto de espuma de alumínio que apresenta resistência superior á corrosão e á oxidação em ambientes aquosos. a invenção compreende a incorporação de agentes químicos de tamponamento, tal como, bórax anidro (na~ 2~b~ 4~o~ 7~), na formulação de espuma de alumínio em quantidades que eficazmente reduzem a corrosão e a oxidação em ambientes aquosos. corrosion resistant aluminum foam products. An aluminum foam product that has superior corrosion and oxidation resistance in aqueous environments. The invention encompasses the incorporation of chemical buffering agents, such as anhydrous borax (na2-b4-4-7), into the aluminum foam formulation in amounts that effectively reduce corrosion and oxidation in aqueous environments. .

Aqueous metal-surface-treating agent and surface-treated metal material

本发明提供耐腐蚀性、密合性、防污性、成膜性、耐紫外线性、耐碱性、耐酸性、加工性和储存稳定性优良的水性表面处理剂。一种水性金属表面处理剂及表面处理金属材料，所述处理剂含有：作为成分(A)的Zr化合物和/或金属氧化物溶胶；水解性甲硅烷基化合物(B)；聚合物(C)，具有来自特定结构的(甲基)丙烯酸酯(c1)、含硅单体(c2)、α，β-烯属不饱和羧酸(c3)和其它(甲基)丙烯酸酯(c4)的聚合单元作为聚合单元，且分子中不含羰基以外的不饱和键，Tg、MFT和酸值为特定值；增塑剂(D)；和乳化剂(E)，(A)中的金属的合计质量M与(B)中的硅的质量Si1和(c2)中的硅的质量Si2的合计的比率[M/(Si1+Si2)]以及Si1/Si2为特定值，(C)相对于全部固体成分为40～98质量％。

Organic phosphonic acid compound corrosion protection in aqueous systems

Aqueous composition for pretreating metal surface before applying another coating or for treating the surface

本发明涉及一种用于在进一步涂覆之前预处理金属表面或用于处理所述表面的含水组合物。所述含水组合物通过向水中加入a)至少钠、钾和/或铵水玻璃和b)至少一种硅烷得到，其中a)与b)的用量比，在每种情况下包括所得的反应产物，优选为0.1:1-2:1。

Deicer compositions including corrosion inhibitors for galvanized metal

A deicing composition with a carboxylate salt as the primary deicer and that has a low corrosivity to galvanized steel is disclosed. The composition includes a soluble silicate as a corrosion inhibitor and a gluconate salt as a silicate stabilizer to maintain adequate solubility of the silicate salt at pH values below about 1 1.5.

Metal corrosion inhibitors

The invention relates to a composition containing at least one sulfonic acid in combination with an effective amount of at least one nitrosylated compound, acting as a metal corrosion inhibitor via said at least one sulfonic acid.

Aerosol compositions