10 results about "Cuprous ion" patented technology

The invention provides a laser-induced surface metallized glass fiber reinforced polyether-ether-ketone modified material and a preparation method thereof. The laser-induced surface metallized glass fiber reinforced polyether-ether-ketone modified material is prepared from the following components in percentage by weight: 39%-69.5% of PEEK resin, 20%-40% of low-dielectric flat glass fiber, 5%-10% of low-dielectric filler, 5%-10% of Cu-Ni coordination compound and 0.5%-1% of antioxidant. According to the invention, the Cu-Ni coordination compound is added into the PEEK modified material, then the PEEK modified material is subjected to laser induction treatment with a specific wave band, reducing cuprous ions or nickel ions are obtained on the surface layer of the PEEK modified material, and then the reducing cuprous ions or nickel ions are catalytically reduced into metal atoms through an electroplating process, so that the metal layer is embedded into the PEEK base material, and the binding force between the metal coating and the PEEK base material is improved.

The application provides an antiseptic and antibacterial coating composition, an antiseptic and antibacterial coating and a preparation method and application thereof. The antiseptic and antibacterial coating composition comprises an epoxy resin, a composite filler, a curing agent, a first surfactant and a first solvent; wherein the composite filler comprises a cuprous oxide core and an inorganic porous shell layer arranged on the surface of the cuprous oxide core, and a quaternary ammonium salt is also contained in the pore structure of the inorganic porous shell layer. By coating the inorganic porous shell layer on the surface of the cuprous oxide core, the release rate of cuprous ions from the cuprous oxide can be effectively reduced, and the side reaction between the cuprous oxide and the epoxy resin can be inhibited. By arranging the quaternary ammonium salt in the pore structure of the inorganic porous shell layer, the release rate of the quaternary ammonium salt can be effectively controlled, and the chemical stability of the quaternary ammonium salt can be improved, so that the double-channel slow release of cuprous ions and quaternary ammonium salt is realized, the synergistic effect of cuprous ions and quaternary ammonium salt in antibacterial and antiseptic aspects is improved, and the antibacterial and antiseptic performance of the prepared antiseptic and antibacterial coating is improved.

The present application belongs to the technical field of gas capture, and particularly relates to a method for capturing fluorine-containing greenhouse gas. In a dark environment, an adsorbent is used to adsorb fluorine-containing greenhouse gas. The adsorbent is a polymer containing cuprous ions and iodine ions, and the chemical formula is CuI(L), wherein L is a weak bridging nitrogen-containing ligand. After the adsorption of the adsorbent reaches saturation or the adsorption time reaches a set time, the adsorbent is irradiated, the adsorbent releases the absorbed fluorine-containing greenhouse gas, and the regeneration of the adsorbent is completed. The present application can absorb fluorine-containing greenhouse gas in waste gas at normal temperature and pressure, and can desorb fluorine-containing greenhouse gas by irradiation at normal temperature and pressure to realize the regeneration of the adsorbent. The regeneration energy consumption is low, the implementation is convenient, and the operation cost is reduced.

The invention discloses an electrolyte for a super-stable aqueous copper-sulfur battery as well as a preparation method and application of the electrolyte. The electrolyte comprises an aqueous solvent, AB type halide salt and cuprous ion halide salt CuB, the cation A of the AB type salt is selected from at least one of Li < + >, Na < + >, K < + >, choline cation and NH4 < + >, and the anion B is Cl <->, Br <-> or I <->; and the anion of the CuB is the same as the anion of the AB type salt. The preparation method comprises the following steps: dissolving AB type salt in a water-based solvent, and then adding CuB for dissolving. According to the electrolyte disclosed by the invention, the electrochemical reaction of the copper-sulfur battery is adjusted from two-step conversion to one-step conversion, so that shuttling of polysulfide is inhibited in mechanism, voltage polarization is reduced, the solubility of Cu < + > is improved, and the interface stability is enhanced. The water-based copper-sulfur battery containing the electrolyte has ultra-long cycle life and high capacity retention ratio, the capacity retention ratio still reaches 88% or above after 400 times of circulation under 1C multiplying power, and the preparation process is simple, adapts to various electrode and diaphragm materials and is suitable for large-scale application.

The application provides a brightener, a preparation method and application thereof. The brightener has a structure as shown in formula 1, wherein R is any one of CH3-(CH2) x -, Ph-(CH2) y - or an azacyclic group, x is 2-5, and y is 0-4. The brightener is connected with a functional group having strong polarity, has good inhibition effect on copper, and has a capturing cuprous ion at the other end of the structure, accelerates copper deposition, has certain leveling performance, can form leveling effect on the surface copper high potential, forms acceleration effect on the low point position in the hole, and can effectively improve the deep plating capacity of the acid copper plating solution, and the deep plating capacity can reach 79-85%.

The invention belongs to the field of analytical chemistry and mass spectrometry detection, and discloses a rapid identification method of cannabinoid compounds based on paper spray mass spectrometry, which comprises the following steps: dropwise adding a to-be-detected sample solution on a cuprous ion modified cellulose paper base, and carrying out paper spray mass spectrometry detection to obtain the cannabinoid compounds. By monitoring a protonated molecule ion peak [M + H] < + > and a Cu < + > adduct ion peak [M + 63Cu] < + > / [M + 65Cu] < + > in a mass spectrogram, strictly controlled key isomers CBD and delta9-THC can be distinguished, and the method can be used for accurately identifying whether a complex matrix contains a cannabinoid compound with a 1, 5-diene structure or not and distinguishing the cannabinoid compound from a cannabinoid isomer without the cannabinoid compound with the 1, 5-diene structure. Meanwhile, whether CBC, CBL, delta9-THC or delta8-THC and other cannabinoid compounds are contained or not is prompted when CBD exists. The method does not need to depend on a high-resolution mass spectrum or a secondary mass spectrum, does not need to use noble metal ions and metal organic complexes, can realize rapid, accurate and low-cost identification within tens of seconds only under the condition of a low-resolution mass spectrum and a primary mass spectrum, and has a good prospect in non-clinical diagnosis scenes such as scientific research, supervision and detection and the like.

The invention provides an anti-corrosion and anti-bacterial coating composition, an anti-corrosion and anti-bacterial coating and a preparation method and application of the anti-corrosion and anti-bacterial coating. The anticorrosive and antibacterial coating composition comprises epoxy resin, composite filler, a curing agent, a first surfactant and a first solvent, wherein the composite filler comprises a cuprous oxide inner core and an inorganic porous shell layer arranged on the surface of the cuprous oxide inner core, and quaternary ammonium salt is contained in a pore structure of the inorganic porous shell layer. The surface of the cuprous oxide core is coated with the inorganic porous shell layer, the cuprous ion release rate of cuprous oxide can be effectively reduced, meanwhile, side reaction between cuprous oxide and epoxy resin is inhibited, quaternary ammonium salt is arranged in a pore channel structure of the inorganic porous shell layer, the release rate of the quaternary ammonium salt can be effectively regulated and controlled, and the chemical stability of the quaternary ammonium salt is improved; therefore, double-channel slow release of the cuprous ions and the quaternary ammonium salt is realized, the synergistic effect of the cuprous ions and the quaternary ammonium salt in the antibacterial and anti-corrosion aspects is improved, and the antibacterial and anti-corrosion performance of the prepared anti-corrosion and antibacterial coating is improved.

The invention provides a preparation method of cuprous ion reaction liquid and a method for promoting dissolution of zinc ferrite. The preparation method of the cuprous ion reaction liquid comprises the following steps: S1, providing iron oxide, copper powder and a sulfuric acid solution; the iron oxide contains ferric iron, and the copper powder contains zero-valent copper; the sulfuric acid concentration of the sulfuric acid solution is 50-800 g / L; s2, the iron oxide and the copper powder are placed in the sulfuric acid solution, first mixing treatment is conducted at the temperature of 50-95 DEG C, and cuprous ion reaction liquid is obtained; the cuprous ion reaction liquid contains cuprous ions; the molar ratio of the ferric iron to the zero-valent copper is (0.9-4): 1; the duration of the first mixing treatment is not less than 10 minutes. A large number of stable cuprous ions can be generated in the sulfuric acid solution, and dissolution of zinc ferrite can be promoted based on the cuprous ion reaction solution.

The invention discloses a method for catalytically converting CO2 (carbon dioxide) by using a cuprous ion-loaded melamine-functionalized super-crosslinked polymer. The method comprises the following steps: firstly, synthesizing a series of melamine-functionalized super-crosslinked polymers HCP-3N-nNH2-Cu; then, according to the types of substituent groups in melamine monomers and the proportion of the monomers to a cross-linking agent, the catalyst with different specific surface areas and CO2 adsorption capacities is prepared. HCP-3N-2NH2-Cu having the maximum specific surface area and CO2 adsorption capacity is preferably used as a catalyst. And then, the HCP-3N-2NH2-Cu is characterized by a plurality of characterization methods, so that the structure and the composition of the HCP-3N-2NH2-Cu are confirmed. The HCP-3N-2NH2-Cu shows an excellent catalytic effect in the two-component reaction of catalytic conversion of CO2 and alkynyl amine. In addition, the recycling performance of HCP-3N-2NH2-Cu is verified, and the result shows that the yield is not obviously reduced after the catalyst is recycled for three times.

The invention relates to the technical field of etching solutions, in particular to a low-adsorption-capacity roughening micro-etching solution for cuprous ions as well as a preparation method and application of the low-adsorption-capacity roughening micro-etching solution. The coarsening micro-etching liquid with low cuprous ion adsorption capacity comprises the following raw materials: a composite oxidant containing a heterocyclic structure, cyclohexylamine, organic acid, a halide ion source, a copper ion source, a stabilizer and water. All the components in the raw materials have a synergistic effect, a layer of protective film is formed on the board surface of the base material, and adsorption of cuprous ions is reduced; meanwhile, cuprous ions are oxidized into copper ions under the action of a composite oxidizing agent containing a heterocyclic structure, so that the content of the copper ions in a hydrochloric acid solution in the subsequent pickling step is reduced, and the situation that the coarsening effect is affected by re-etching the coarsened honeycomb-shaped surface appearance due to the fact that the concentration of the copper ions is too high is prevented. In addition, a stabilizer is added into the roughening micro-etching liquid system with low cuprous ion adsorption capacity, the components are not easy to decompose, and the roughening micro-etching liquid system can be in a working state for a long time.