5results about How to "Weak corrosive" patented technology

The invention discloses an electrochemical preparation method of tris (1, 1, 1, 3, 3, 3-hexafluoro-2-propyl) phosphite, and belongs to the technical field of electrolysis processes for producing compounds. The method comprises the following steps: mixing white phosphorus, hexafluoroisopropanol, an activation additive, an organic alkali, an electrolyte and an organic solvent to form an electrolytic reaction solution; the electrolytic reaction solution is electrolyzed under the action of direct current, white phosphorus is oxidized at an anode and then subjected to nucleophilic attack by hexafluoroisopropanol to generate tri (1, 1, 1, 3, 3, 3-hexafluoro-2-propyl) phosphite, and hydrogen atoms are reduced at a cathode to form hydrogen. The method has the advantages of simplicity, convenience, rapidness, high safety, few byproducts, high utilization value and low cost; the method is high in atom utilization rate and weak in corrosion to devices, meets the requirements of green and safe production, and has a good industrial application prospect.

The invention discloses a method for electrochemical synthesis of an organophosphorus pesticide, and belongs to the technical field of electrolysis processes for producing compounds. The method comprises the following steps: mixing white phosphorus with an alcohol compound, a sulfhydryl compound, an additive, an electrolyte and an organic solvent in an inert atmosphere to form an electrolytic reaction solution; and electrolyzing the electrolytic reaction solution under direct current, and collecting to obtain the organophosphorus pesticide. The method has the advantages of low cost and strong reaction selectivity, and overcomes the technical problem of low yield of a target product caused by a competitive reaction of sulfydryl and hydroxyl; the method is high in atom utilization rate, small in pollution and weak in corrosion to devices, meets the requirements of green and safe production, and has a good industrial application prospect.

The application provides a polyaniline-zinc ion battery with continuous replacement of electrolyte, which comprises a first liquid tank, an electric pile and a second liquid tank which are in communication with each other, the first liquid tank and the second liquid tank respectively store high-concentration and low-concentration zinc salt aqueous solutions, the electric pile comprises a polyaniline active layer, a first porous separator and a zinc layer which are adjacent in sequence, the polyaniline active layer is close to the first liquid tank, and the zinc layer is close to the second liquid tank. The polyaniline-zinc ion battery does not need an ion exchange membrane, and the electrolyte in the electric pile can be continuously replaced during charging and discharging, so that the concentration difference polarization is eliminated, the chemical equilibrium of the electrochemical reaction is promoted to move in a favorable direction, the charging and discharging voltage difference of the battery is reduced, the energy efficiency is improved, and the service life is longer.

The present application discloses an optical material stripper, wherein the components and mass percentage ratios of the optical material stripper are: 20-25% of an alcohol amine compound, 10-15% of a stripping aid, and the balance is an organic solvent; the stripping aid is an amide solvent; the organic solvent is selected from two or more of N-methylpyrrolidone, piperidine or diethylene glycol ether compounds. The present application has good stability, good stripping effects on various types of photoresists used in the manufacturing process of liquid crystal display devices, fast stripping speed, and extremely weak corrosion to metals, which can effectively improve the manufacturing efficiency of liquid crystal display devices.

The invention relates to the field of flue gas purification product resource utilization and coal rock gas yield increase and injection increase, in particular to an alkaline desulfurization and denitrification agent and application thereof in coupling of a flue gas resource desulfurization and denitrification process and coal rock gas acidification yield increase and injection increase. The invention provides an alkaline desulfurization and denitrification agent, the alkaline desulfurization and denitrification agent contains camellia saponin and a crown ether ring structure, sulfuric acid, nitric acid and fluoboric acid mixed salt of the alkaline desulfurization and denitrification agent is generated after desulfurization and denitrification, the mixed salt is used for coal rock gas acidification, flue gas desulfurization and denitrification waste liquid can be recycled, and the desulfurization and denitrification cost can be recovered; in addition, a bis-imidazoline alkaline desulfurization and denitrification agent containing crown ether and camellia saponin is combined with plasma irradiation oxidation to perform desulfurization and denitrification on the flue gas, and the desulfurization and denitrification waste liquid is used for reservoir transformation, so that environmental pollution can be better treated, one agent can be used for multiple purposes, the acidification cost of the carbonate reservoir is reduced, and slow acidification and diverted acidification are realized at the same time.