16 results about "Polymer metal" patented technology

Metal-organic thermoset polymers are provided. The metal-organic thermoset polymers can be formed from a mixture including at least one epoxy resin and at least one metal alkoxide. Articles including the metal-organic thermoset polymers and processes for manufacturing the metal-organic thermoset polymers are also provided.

The invention discloses a bio-responsive high polymer material and application thereof, and belongs to the technical field of biomedical materials. The bio-responsive high-molecular material provided by the invention contains polymers shown as formulas i to viii. Wherein the polymers of the formulas i to viii have excellent fluorescence performance, aggregation-induced fluorescence enhancement performance, multicolor luminescence performance and biological response capability based on a redox reversible switch, and can be applied to sensing, counterfeiting prevention, metal ion detection, multicolor imaging of in-vivo and in-vitro cells and / or tissues and quantitative detection of in-vivo and in-vitro oxidized and / or reducing substances; active oxygen in in-vivo and in-vitro tissues and cells can be removed to achieve long-acting anti-inflammatory and anti-oxidation effects, and the compound can be used for treatment of oxidative stress related diseases and visual monitoring of the treatment process; the biological activity of enhancing tissue retention, stimulating collagen generation, repairing tissue and resisting oxidation and aging of the tissue is achieved, and the effect of filling and repairing in-vivo cells and tissue can be effectively improved; the compound also has the capability of being chelated with metal ions to form a high-molecular metal complex, and can be used for resisting tumors, resisting bacteria, filling and repairing tissues, promoting collagen generation and the like.

The application provides a kind of measurement system and method for hydration degree of ion polymer metal composite, and relates to the technical field of polymer chemistry.The IPMC sample to be measured and the known hydration degree IPMC as a control are first obtained;Second, the alternating current signal of different frequencies ranging from 0.01 to 100 Hz is applied to the metal electrodes on both sides of the IPMC sample, the current and voltage are recorded, the correction coefficient is generated to adjust the conductivity, and the fast Fourier transform is used for the conductivity to obtain the phase angle and amplitude at different frequencies.The phase angle and amplitude of the known hydration degree IPMC are used as input, and the hydration degree is used as label to train the deep learning network, and finally a hydration degree measurement model is formed.Finally, the phase angle and amplitude of the sample to be tested are input into the model to obtain the hydration degree.The method combines conductivity analysis and deep learning technology to realize accurate evaluation of the hydration degree of IPMC.

The present application relates to the technical field of solid-state batteries, and particularly relates to a solid-state polymer electrolyte and a preparation method and application thereof.The solid-state polymer electrolyte comprises a polymer metal organic framework PolyMOF, a polymer matrix and an alkali metal salt in a mass ratio of 0.01-0.2:0.5-1:0.5-1;wherein, the organic ligand of the polymer metal organic framework comprises an electron-deficient aromatic structure.The solid-state polymer electrolyte of the present application has high ionic conductivity, high Li + transference number and long-term cycle stability in a solid-state lithium metal battery, providing a new design idea for developing high-performance solid-state polymer electrolytes.

The present invention relates to an asphalt mixture containing a new asphalt, the following polymer metal salt (P), and an asphalt-regenerated aggregate. The polymer metal salt (P) is a metal salt of a polymer having a structural unit derived from an aromatic monomer and having an acidic group.

The utility model discloses metal conductive oil-removing and water-purifying membrane filtering equipment, and belongs to the technical field of filtering equipment.The filtering equipment comprises a fixed table and an oil-removing and water-purifying tank installed on the fixed table, a pump body is arranged at the upper end of the fixed table, and the drainage end of the pump body is connected with a water inlet of the oil-removing and water-purifying tank through a sewage guide pipe; a control box is arranged on the fixing table, a water purification mechanism is arranged in the oil removal and water purification tank, the water purification mechanism comprises a fixing ring mounted in the oil removal and water purification tank, a titanium mesh is mounted on the inner side of the fixing ring, a conductive filter membrane is arranged at the lower end of the titanium mesh, and an electricity storage bin is formed in the fixing ring; the conductive organic polymer-metal conductive composite film is prepared by adopting a chemical polymerization-in-situ deposition-chemical plating technical process, and the metal conductive composite film has the unique anti-pollution and intelligent cleaning advantages besides having the removal rate of 99% or above for oil-water mixed liquid and oil-water emulsion for a long time.

This invention, applicable to the field of lithium batteries, provides a metal-organic nano-crosslinked network-based solid electrolyte and its preparation method, addressing the poor processability of existing inorganic solid electrolytes and the poor electrochemical stability and low ionic conductivity of polymer solid electrolytes. The electrolyte of this invention exhibits high lithium ion conductivity and a high lithium ion transference number, ensuring stable battery operation. Thanks to the polymer metal-organic nano-crosslinked network-based solid electrolyte-air cathode integrated material, the rate performance and cycling stability of lithium-air batteries are significantly improved.

The invention belongs to the technical field of surface treatment, and relates to a modified hyperbranched polymer metal surface treatment fluid and a preparation method thereof.The modified hyperbranched polymer metal surface treatment fluid is characterized by being mainly composed of, by mass, 10-80 parts of hyperbranched polymer film forming matter dispersion liquid; 1 to 10 parts of a silane coupling agent; 0.1 to 5 parts of a complexing agent; 0.1 to 5 parts of a corrosion inhibitor; 0.1 to 2 parts of a pH regulator; and 1-90 parts of a solvent. The hyperbranched polymer in the metal surface treatment liquid obtained by the invention has a highly branched three-dimensional structure and contains a large number of functional groups at the tail end of a molecular chain, so that the hyperbranched polymer is easily subjected to strong cross-linking reaction with molecules such as a silane coupling agent and a complexing agent, and a strong cross-linking structure can be formed with the metal surface; and the physical and chemical shielding performance is enhanced. Meanwhile, cavities exist in hyperbranched polymer molecules and can adsorb and contain the corrosion inhibitor, so that the corrosion resistance is enhanced. The synergistic effect of the silane coupling agent and the green corrosion inhibitor can provide electrochemical corrosion resistance and salt spray resistance for metal, so that the metal corrosion inhibitor has an extremely high application prospect.

The present invention provides a method for preparing a low melt index terpolymer, comprising the following steps: ethylene, α-olefin, and non-conjugated diene are ternarily copolymerized in a saturated alkane solvent in the presence of a primary catalyst and a co-catalyst to obtain a low melt index terpolymer; the primary catalyst is a complex containing a metal atom; the temperature of the ternary copolymerization is 80°C to 200°C, and the pressure is 1MPa to 6MPa. Compared with the prior art, the preparation method provided by the present invention adopts specific process steps, conditions and parameters to achieve overall better interaction, and realizes obtaining a low melt index ethylene / α-olefin / non-conjugated diene terpolymer by high temperature solution polymerization, with the characteristics of high polymerization activity and controllable polymer structure, while low production cost and low polymer metal residue.

The present invention relates to the field of catalyst technology, and specifically, to a single-atom palladium catalyst and a preparation method thereof. The atomic palladium catalyst comprises a carrier and an active component, palladium, wherein the carrier is a polymer metal complex, and the polymer ligand contained in the polymer metal complex is a nitrogen-containing polymer, and the metal ion contained is a platinum ion; wherein the active component palladium is distributed on the carrier in the form of a single atom. The single-atom palladium catalyst provided by the present invention uses a metal polymer complex that does not require modification as a carrier, realizes a single-atom dispersed loading of palladium metal, and can reduce the loading amount of palladium metal. At the same time, the method is simple, simplifies the process flow, and is convenient for industrial production.

The invention discloses a polymer metal chelating tag for mass spectrometry flow cytometry as well as a preparation method and application of the polymer metal chelating tag. The structural general formula of the polymer metal chelating label is nDOTA-PEG-Linker, and the structural general formula of the polymer metal chelating label is nDOTA-PEG-Linker. Wherein DOTA represents a polypeptide chain segment containing DOTA, n represents the number of DOTA chelating units accurately introduced through solid-phase polypeptide synthesis, and n is an integer ranging from 4 to 16; pEG is polyethylene glycol as a spacer group, the mobility of a peptide chain can be improved by a flexible chain, the accessibility of Linker is improved, and the reaction efficiency is improved; linker refers to a group capable of being directionally coupled with an antibody. The reagent label prepared by adopting an automatic solid-phase synthesizer is accurate and small in molecular weight, simple and convenient in synthesis steps, capable of chelating various metal elements including lanthanide metals and other heavy metals, and capable of efficiently labeling an antibody due to small steric hindrance, and the labeled antibody has high specificity and high sensitivity and can be used for mass spectrum flow type detection.

The utility model provides a polymer metal protective agent filling mechanism, and relates to the technical field of filling equipment. Comprising a positioning bottom plate, a fixing support is mounted at the top of the positioning bottom plate, by arranging the positioning bottom plate, the fixing support and a filling treatment bin, a motor mounting plate and a bottom positioning rod are positioned and mounted through a second positioning bolt, the stability during equipment connection is improved, a first driving motor operates to drive the bottom positioning rod to operate, and the stability of equipment connection is improved. The electric power storage bin is used for providing a standby power source for equipment operation, the two sides of the filling treatment bin are connected with the fixing supports through second positioning bolts, the filling treatment bin and the fixing supports are positioned and installed through the second positioning bolts, and the stability of the equipment in the using process is improved; and the limiting baffles are used for conducting two-side protection treatment during conveying inside the conveying belt, the fixing blocks are used for reinforcing and installing the limiting baffles, and the placement stability of the equipment is improved.

Disclosed in the present disclosure are a water-based binder, and a preparation method therefor and the use thereof. The water-based binder is a copolymer formed by reacting a polymer metal salt with a polymerizable monomer, wherein the polymerizable monomer comprises a combination of an acrylate monomer and an olefin monomer, and the polymer metal salt is any one or a combination of at least two selected from a phosphoric acid metal salt polymer, a carboxyl metal salt polymer, a sulfonic acid metal salt polymer or a bis-sulfonimide metal salt polymer. In the present application, by means of the design and cooperative interaction of structural units such as a polymer metal salt and a polymerizable monomer, a resulting copolymer chain segment comprises specific repeated structural units, such that the water-based binder has an appropriate swelling characteristic, good bonding properties and lithium-ion conductivity, also has good bonding strength, bonding stability and electrochemical performance, and significantly improves the cycle performance and rate performance of a lithium-ion battery comprising same.

The invention relates to the field of friction corrosion testing, and particularly discloses a polymer metal friction pair abrasion corrosion performance testing device which comprises a base, a polymer clamp box module and a metal ball clamping rod module. The polymer clamp box module comprises a solution box which is fixedly arranged on the base and used for containing an electrolyte solution, a lower sample polymer block, a reference electrode and a counter electrode are fixedly arranged in the solution box, and the reference electrode and the counter electrode are both connected to the electrochemical workstation; the metal ball clamping rod module is used for clamping an upper sample metal ball, and the upper sample metal ball serves as a working electrode to be connected to the electrochemical workstation. The metal ball is used as the upper sample and the working electrode, and the polymer block is used as the lower sample, so that the problem that the abrasion loss of a polymer is difficult to accurately quantify in a traditional friction corrosion test is solved, and meanwhile, coupling test integration of friction behaviors and corrosion electric signals can be realized.

The invention relates to the technical field of solid-state batteries, in particular to a solid-state polymer electrolyte and a preparation method and application thereof. The solid polymer electrolyte comprises a polymer metal organic framework PolyMOF, a polymer matrix and alkali metal salt in a mass ratio of (0.01-0.2): (0.5-1): (0.5-1), wherein an organic ligand of the polymer metal organic framework comprises an electron-deficient aromatic structure. The solid polymer electrolyte disclosed by the invention has high ionic conductivity and high Li < + > transfer number at room temperature and realizes long-term cycling stability in a solid-state lithium metal battery, and a new design thought is provided for developing the high-performance solid polymer electrolyte.

The invention discloses a temperature-sensitive sensor based on a brush polymer and metal nano material compound, a preparation method and an application. The temperature-sensitive sensor is composed of a (2-10) * (2-10) cross array; a functional unit of the device is of a sandwich structure of a bottom electrode, a functional layer and a top electrode. The brush-like polymer main chain is selected from at least one of PGA, PGMA and BCP, and the polymerization degree is 500-550; the side chain of the brush polymer is PEG, the molecular weight is 3000-5000, and the polymerization degree is 65-115; one end of a main chain of brush-like macromolecules used by the temperature-sensitive sensor is sulfydryl which is connected with a gold electrode through an Au-S bond, and a gold nano material is fixed on a side chain PEG (Polyethylene Glycol). The gold nano-material and the brush-shaped polymer are integrated in a physical wrapping mode, the microenvironment around the metal nano-material and the resistance of the functional layer are remarkably changed by utilizing the change of the side chain of the brush-shaped polymer near the melting temperature, and the electrical detection of the temperature is realized; the problems that when a polymer and metal nano material composite system serves as a temperature sensing material, stability is poor, regulation and control means are deficient, and the interface effect is difficult to control are effectively solved.