10 results about "Amine solvent" patented technology

This invention relates to the field of electrochemical technology and discloses a low-temperature fluorine-containing rechargeable magnesium battery electrolyte, comprising a magnesium salt, a main solvent, and a composite additive. The composite additive is a mixed solution of an amine solvent and a fluorinated ether solvent. The concentration of the magnesium salt is 0.1-1.0 mol / L, and the volume ratio of the main solvent to the composite additive is (2-3.3):1. The preparation method includes the following steps: S1: Weigh a certain amount of magnesium salt and dissolve it in the main solvent, stirring for 6-8 hours to form solution A; S2: Slowly add the fluorinated ether solvent to solution A in S1, stirring for 6-8 hours to form solution B; S3: Add the amine solvent to solution B in S2, stirring for 6-8 hours to obtain the low-temperature fluorine-containing rechargeable magnesium battery electrolyte. Its application: The application of a low-temperature fluorine-containing rechargeable magnesium battery electrolyte in rechargeable magnesium batteries. The technical solution of this invention can improve the reversible magnesium deposition and dissolution performance of the electrolyte, and also improve the performance of Mg at low temperatures. 2+ The transport dynamics and ionic conductivity.

The application discloses a kind of solid-state luminescent Schiff base two-dimensional covalent organic framework material and its preparation method and application, belong to material field.The preparation method of the solid-state luminescent Schiff base two-dimensional covalent organic framework material of the present application includes the following steps: the amine with C2 symmetry, DAD, solvent and acetic acid aqueous solution are mixed, and solvent thermal reaction is carried out, to obtain the solid-state luminescent Schiff base two-dimensional covalent organic framework material;The solvent is o-dichlorobenzene and n-butanol.The COFs material prepared in the application has high crystallinity and porosity, and the solid-state absolute luminescence quantum yield is as high as 39%.

The application discloses a multifunctional composite agent for umbilical cable filling of a deepwater oil and gas field and a preparation method thereof. The multifunctional composite agent comprises the following components in mass percentage: alkyl benzene sulfonic acid 2-30%, water-soluble polyether 0-15%, organic amine 5-60%, solvent 5-50% and water 0-20%. The multifunctional composite agent has excellent demulsification, corrosion inhibition and sterilization performance, meets the requirements of the umbilical cable filling of the deepwater oil and gas field, and is suitable for crude oil demulsification and sea pipe corrosion control of the deepwater oil and gas field.

This invention provides an antimony-based solar cell and its fabrication method, belonging to the field of solar cell technology. The fabrication method of the antimony-based solar cell includes: after forming an electron transport layer on a conductive substrate and before forming an antimony-based light-absorbing layer on the electron transport layer, performing a surface modification treatment on the electron transport layer, wherein the electron transport layer comprises a titanium dioxide thin film; the surface modification treatment includes: coating the surface of the electron transport layer with a thiamine solution, wherein the thiamine solution comprises a solution formed by dissolving a sulfur source in an amine solvent; and annealing the electron transport layer coated with the thiamine solution in air to obtain the surface-modified electron transport layer. This invention, through the synergistic effect of the sulfur source and amine molecules, reduces the oxygen vacancy defect density on the surface of the titanium dioxide thin film, enabling the fabrication of a highly crystalline, low-defect-concentration antimony-based thin film on the surface-modified electron transport layer, thereby improving the photoelectric performance of the antimony-based solar cell.

Provided is a method for manufacturing a metal wiring in which a coating film remaining between metal wirings can be sufficiently removed in a developing step, and a kit. In a method for manufacturing a metal wiring according to one embodiment, a developing step includes a first developing treatment in which a region other than a dried coating film of a metal wiring is removed by a first developing solution, the first developing solution containing a solvent and an additive (A), the solvent being an organic solvent or water or a mixture thereof, the organic solvent being one or more selected from the group consisting of an alcohol solvent, a ketone solvent, an ester solvent, an amine solvent, and an ether solvent, and the concentration of the additive (A) in the first developing solution being 0.01% by mass or more and 20% by mass or less.

The application provides an antimony-based solar cell and a preparation method thereof, and belongs to the technical field of solar cells. The preparation method of the antimony-based solar cell comprises the following steps: after forming an electron transport layer on a conductive substrate and before forming an antimony-based light absorption layer on the electron transport layer, performing surface modification treatment on the electron transport layer, wherein the electron transport layer comprises a titanium dioxide film; the surface modification treatment comprises the following steps: coating a thiamine solution on the surface of the electron transport layer, wherein the thiamine solution comprises a solution formed by dissolving a sulfur source in an amine solvent; and performing annealing treatment on the electron transport layer coated with the thiamine solution in an air environment to obtain the surface-modified electron transport layer. Through the synergistic effect of the sulfur source and the amine molecules, the surface oxygen vacancy defect density of the titanium dioxide film is reduced, the antimony-based film with high crystallinity and low defect concentration can be prepared on the surface-modified electron transport layer, and the photoelectric performance of the antimony-based solar cell is improved.

The application provides a polyurea-based modified high-thixotropy waterborne epoxy curing agent and a preparation method thereof, relates to the technical field of epoxy curing agents, and comprises the following steps: 1) mixing a small molecule aldehyde and diethylenetriamine to perform a reaction, so as to obtain an aldehyde imine-terminated modified amine; 2) performing a reaction on the aldehyde imine-terminated modified amine, a solvent-diluted multifunctional isocyanate and an amino group-terminated methoxy polyether, so as to obtain a hydrophilic modified aldehyde imine-terminated polyurea-based modified resin amine; and 3) mixing the hydrophilic modified aldehyde imine-terminated polyurea-based modified resin amine, an epoxy resin mixture and water to perform a reaction, so as to obtain the polyurea-based modified high-thixotropy waterborne epoxy curing agent. The urea-based modified waterborne epoxy curing agent can endow a paint film with excellent sag resistance when being compounded with a waterborne epoxy emulsion to form a film, the preparation process is simple, the production cost is low, and the application is suitable for large-scale industrialization.

The application discloses a kind of imbibition type low corrosive sulfur deposition plugging cleaning agent and preparation method thereof, and relates to the technical field of oil and gas field development, comprising: cleaning main agent, the cleaning main agent is composed of sulfur-containing organic solvent and organic amine solvent;Auxiliary agent, the auxiliary agent is composed of hydroxyl-containing organic amine and benzene ring-containing organic amine;Imbibition agent.The imbibition type low corrosive sulfur deposition plugging cleaning agent and preparation method thereof proposed in the application have higher sulfur solubility, lower corrosion rate under the condition of not adding corrosion inhibitor, greatly improve cleaning efficiency.

Provided herein is a system including a solvent-based carbon capture system, wherein the solvent-based carbon capture system includes an absorber configured to absorb carbon oxides (COx) from a gas flow into a solvent of a solvent flow to produce a treated gas flow. The system includes a regenerator configured to strip the carbon oxides from the solvent flow to produce a captured carbon oxides flow. The system further includes a wash system configured to wash the treated gas flow using water. The system also includes an appendix stripper system configured to separate a outflow stream into a reclaimed amine stream and a waste stream, wherein the outflow stream comprises the solvent and degraded components of the solvent, and the waste stream has a greater concentration of the degraded components than in the reclaimed amine stream.