38results about How to "Curb excessive consumption" patented technology

The invention relates to an imidazoline asymmetrical bi-quaternary ammonium salt. The preparation method comprises the following steps that: diethylene triamine and organic acids of octalkyl to heptadecyl react to generate alkyl imidazoline; long chain alkyl tertiary amine, hydrochloride of long chain alkyl tertiary amine and epichlorohydrin react to generate N-(3-chlorine-hydroxypropyl)-N, N-dimethyl long chain alkyl quaternary ammonium salt; and the alkyl imidazoline and the N-(3-chlorine-hydroxypropyl)-N, N-dimethyl long chain alkyl quaternary ammonium salt react. When the salt is used as a carbon steel corrosion protection acid pickling inhibitor, the salt has the advantages of easy synthesis, low-priced and easily-bought materials; because the salt is the organic inhibitor, the salt is nontoxic and unharmful, and has wide biological activity and good water solubility and can effectively inhibit corrosion of metallic matrix in the acid and excessive consumption of acid liquor; moreover, the salt also has the advantages of low consumption, high efficiency, strong sustained action capability and good application prospect.

The invention relates to a steel product (carbon steel) seawater corrosion inhibitor, in particular to an oligochitosan corrosion inhibitor and an application thereof. The corrosion inhibitor comprises the components of oligochitosan with better water solubility after chitosan degradation or a combination of oligochitosan with one or two of zinc sulfate and hexamethylene tetramine. The corrosion inhibitor can effectively prevent the corrosion of seawater on carbon steel and has the advantages of low use amount, high corrosion inhibition efficiency and strong action duration capability. The product of the invention is an environmental-friendly green corrosion inhibitor and has a wide material source range, a broad market prospect and a good application value.

The invention relates to a corrosion inhibiter for steel acid pickling, in particular to an environment-friendly corrosion inhibiter for carbon steel acid pickling, which can prevent carbon steels and the products from corroding carbon steel materials and over consumption of acidizing fluid in the acid picking process and the application thereof. The component of the corrosion inhibiter is one or the combination of hexanophenone-O-(1, 3, 4-tolyltriazole) methylene oxime, 4- methoxy acetophenone-O-1'- (1', 3', 4'- tolyltriazole) methylene oxime and 4-fluorine acetophenone-O-1'-(1', 3', 4'-tolyltriazole). The application of the corrosion inhibiter is that steels are immerged and washed in acid liquid added with tolyltriazole. The corrosion inhibiter of the invention can effectively prevent acid from corroding the carbon steel materials in acid picking process and has the outstanding advantages of low consumption, high corrosion inhibition efficiency, stable corrosion inhibiting performance and simple synthesis. Besides, the corrosion inhibiter for steel acid pickling of the invention has no pollution to environment, comparatively high productive value and wide market prospect.

The invention relates to a steel (carbon steel) restrainer, in particular to a benzoic acid heterocyclic carbon steel restrainer used for preventing carbon steel materials and products thereof from corrosion during the acid cleaning and reducing the excessive consumption of acid liquor and application thereof. The effectively ingredient of the restrainer is one or the combination of two of 3, 5-methyl benzoic acid-1, 2, 4-triazole-1-monmethyl ester and 4-benzoic acid-1, 2, 4-triazole-1-monmethyl ester. The restrainer can effectively prevent the carbon steel from being corroded by acid during the acid cleaning and has the remarkable advantages of low consumption, high inhibition efficiency and stable inhibition property. The product has no pollution to the environment and has wide market prospect.

The invention relates to steel product acid pickling corrosion inhibitor, in particular to a triazole carbon steel acid pickling corrosion inhibitor and the application. The corrosion inhibitor comprises one of the following components or the combination of no less than two components: 3, 4-dichloroacetophenone-O-1'-(1' .3' .4'- triazol) methylene oxime, 2, 5- dichloroacetophenone-O-1-(1.3.4- triazol) methylene oxime, and 4- chloro acetophenone-O-1'-(1' .3' .4'- triazol) methylene oxime. The corrosion inhibitor of the invention can effectively prevent the carbon steel material from the corrosion of the acid during the acid pickling process, which has the eminent advantages that the dosage is low, the corrosion inhibition efficiency is high, the corrosion inhibition performance is stable, and the composition is simple. The product of the invention has no pollution to the environment, and has higher productive value and wide marketing prospect.

The invention relates to the technical fields of metal surface corrosion and corrosion inhibitor production, and concretely relates to a carbon steel pickling benzimidazole corrosion inhibitor for preventing unnecessary corrosion and acid solution excess consumption in the hydrochloric acid pickling process of carbon steel and products thereof, and an application thereof. The corrosion inhibitor is one of 1-butyl-2-(4-methylphenyl)benzimidazole and 1-ethyl-2-(4-bromophenyl)benzimidazole. The corrosion inhibitor can effectively prevent the corrosion of hydrochloric acid to carbon steel materials in the pickling process, and has the advantages of low dosage, high corrosion inhibition efficiency, stable performances, environmental protection, high production values and wide market prospect.

The invention relates to a steel pickling corrosion inhibitor, in particular to an N-heterocyclic carbon steel pickling corrosion inhibitor for avoiding unnecessary corrosion and acid liquor consumption in the pickling process of carbon steel as well as produced products and an application thereof. The corrosion inhibitor is a triazole or oxadiazole heterocyclic compound or the combination thereof and is submerged with cleaning liquid added with the corrosion inhibitor for washing the carbon steel; and the cleaning liquid is pickling liquor with the concentration of 0.1mol/L-1mol/L, and each liter of acid liquor is added with 0.00-2.0g of corrosion inhibitor and submerged for 0.5-4 h. The corrosion inhibitor includes the triazole heterocyclic compound which has the characteristics of no poison, innocuity, easy synthesis and low price and easily obtained raw materials; and the corrosion inhibitor is adopted for cleaning the carbon steel and the surfaces of the products thereof and can avoid the excessive corrosion of the matrix metal and the excessive consumption of the acid liquor in the pickling process and has the advantages of low consumption and efficiency and continuous capability.

The invention relates to a carbon steel pickling inhibitor, a preparation method and application thereof, in particular to a thiadiazole carbon steel pickling inhibitor, a preparation method and application thereof. The inhibitor is a mixture of any two or three of 2-amino-5-(p-hydroxyphenyl)-1,3,4-thiadiazole, 2-amino-5-(4-pyridyl)-1,3,4-thiodiazol or 2-amino-5-(3-pyridyl)-1,3,4-thiodiazol. The inhibitor in the invention can effectively prevent the carbon steel materials from being corroded by sulfuric acid in the pickling process, and has the advantages of environment protection, low usage amount, high corrosion inhibition efficiency, stable performance and the like.

The invention relates to the technical field of production of corrosion inhibitors for preventing metal surface corrosion, and specifically relates to a 1-ethyl-2-substituted benzimidazole carbon steel acid pickling inhibitor, which can prevent unnecessary corrosion and excess acid consumption during the hydrochloric acid pickling process, and applications thereof. The acid pickling inhibitor is 1-ethyl-2-(4-(N,N-diphenyl)aminophenyl)benzimidazole or 1-ethyl-2-((4-carbazole-9-yl)phenyl)benzimidazole. The provided acid pickling inhibitor can effectively prevent the hydrochloric acid corrosion on carbon steel during the pickling process and has the advantages of little using amount, high carrions inhibition efficiency, stable property, and environment-friendliness. The provided acid pickling inhibitor has a high production value and wide market prospect.

The invention relates to a corrosion inhibiter for acid pickling steels, in particular to an environment-friendly triazole corrosion inhibiter for acid pickling carbon steels, can avoid the corrosion of acid to carbon steel and products thereof in the acid picking process and over consumption of acidizing fluid and application thereof. The components of corrosion inhibiter are 4-methoxy acetophenone-O-1'- (1', 3', 4'-ltriazole) methylene oxime and/or 1- (4'- N, N-dimethyl benzene methylene imino) - 2 - sulfhydryl -5- (1'(1', 3', 4'-triazole) methylene)-1, 3, 4-triazole. The corrosion inhibiter of the invention can effectively prevent corrosion of acid to carbon steel materials in the acid picking process and has the outstanding advantages of low consumption, high corrosion inhibition efficiency, and stable corrosion inhibiting performance. Besides, the corrosion inhibiter for acid pickling steels of the invention has no pollution to environment with wide market prospect.

The invention relates to a green carbon steel corrosion inhibitor based on Bisflavanol, and belongs to the technical field of metal corrosion prevention. The green corrosion inhibitor is a Bisflavanol natural product and can be used for preventing corrosion and consumption of carbon steel in the pickling process. Experiments prove that the corrosion inhibitor can form a compact film layer on the surface of the carbon steel, and the corrosion rate of the carbon steel is slowed down. The corrosion inhibitor disclosed by the invention is a natural plant extract, has the characteristics of being green, environment-friendly, natural in source and pollution-free, does not cause any pollution to the environment in a use or sewage discharge process, and has a good application prospect.