23 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 relates to the technical field of macromolecule-metal matrix composite production equipment, and discloses a thermoplastic forming device and method for a guide rod bush of a forcibly manufactured movable piston, the thermoplastic forming device comprises a forming module and a punch part which is coaxially arranged, the forming module comprises a fixed die and a movable die, the fixed die is provided with a containing cavity used for containing the forcibly manufactured movable piston, and the movable die is provided with a cavity used for containing the forcibly manufactured movable piston; the accommodating cavity is provided with an upper opening, and a mold unloading hole communicated with the accommodating cavity is formed in the lower end of the fixed mold; the movable mold is cylindrical, a vertically-through thermoplastic cavity is formed in the center of the movable mold, the movable mold is arranged in the containing cavity in a sliding mode, the lower end of the movable mold abuts against the upper end of a piston seat of the forcibly-manufactured movable piston, and a guide rod of the forcibly-manufactured movable piston penetrates through the thermoplastic cavity from bottom to top; the punch part is located above the movable die and arranged in the containing cavity in a sliding mode, a through guide hole is formed in the punch part along the axis, and the guide hole is in sliding fit with a guide rod for forcibly manufacturing the movable piston. By adopting the forming device and method, the bonding strength of the plastic bushing and the metal matrix is improved, the service life is long, the yield is high, the operation is simple and convenient, and the production cost is low.

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 invention discloses a composite material for friction catalysis and a preparation method and application thereof, and belongs to the technical field of energy and environment treatment. The composite material is a polymer-metal composite material, the chemical expression of the composite material is Cux-PTFE (1-x), and x and 1-x are mass ratios of Cu and PTFE respectively. The preparation method comprises the following steps: weighing Cu and PTFE, mixing, grinding the obtained mixture, sintering in an N2 atmosphere, grinding, washing, collecting sediments, and drying. The friction catalyst micron powder material is prepared by adopting atmosphere sintering and is harmless to the environment, and the prepared friction catalyst has excellent dye degradation and CO2 reduction effects. The composite material for friction catalysis is good in cycling stability and simple in preparation method, Cu and PTFE are adopted to form the composite material, the structure type of the friction catalysis material can be expanded, and the composite material has good industrialization prospects and application prospects.

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.

The air conditioner silencer based on polymer composite injection molding and ultrasonic welding comprises a silencer body, the silencer body is of a tubular structure, the hole diameters of the two ends of the silencer body are reduced, the silencer body is divided into a section A and a section B, and the section A and the section B are formed in an injection molding mode and welded into a whole through ultrasonic waves. And the welding surfaces of the section A and the section B are respectively provided with a self-locking head and a self-locking groove. According to the silencer, a common injection molding process and a conventional ultrasonic welding process can be used, and the production efficiency is improved by more than 5 times; the innovatively-designed ultrasonic welding end face is adopted, full fusion can be achieved under the effect of ultrasonic waves, and therefore the air tightness is guaranteed; the self-locking function is achieved, and pressure maintaining is not needed after the end faces are fused; a macromolecule and metal reinforcing material is adopted, and the pressure of 1.0 MPa of a conventional refrigerant pipeline of an air conditioner is met; the special-shaped metal pipe insert with the flame blocking piece is introduced and is directly connected with an air conditioning system pipeline in a mature copper-steel welding mode, and the silencer can be prevented from being burnt out by welding flames.

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 graphene oxide dispersion liquid is prepared from the following raw materials: a water-based organic high-molecular compound, a metal catalyst, graphene oxide, a pH regulator and deionized water, the usage amount of the water-based organic high-molecular compound is 0.03-0.8% of the mass of the graphene oxide, and the usage amount of the metal catalyst is 0.01-0.08% of the mass of the graphene oxide. The graphene oxide is modified by adopting the organic polymer-metal composite dispersion liquid, so that the graphene heat-conducting film with relatively high thickness, fewer defects, more complete crystal structure and excellent comprehensive heat-conducting property can be obtained. By adopting the ammonium lignosulfonate and the praseodymium metal salt with specific contents, the thermal dispersibility and the thermal conductivity of the heat-conducting film can be improved, the viscosity of the graphene oxide dispersion liquid is not greatly increased, and the heat-conducting film can be processed by applying a tape casting process.

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 invention discloses a composite isolating membrane, which comprises a polyolefin porous base material and an inorganic coating, and the inorganic coating is coated on at least one surface of the polyolefin porous base material and comprises a plurality of inorganic particles, adhesive resin, hydrophilic polymer metal salt and polyamide epichlorohydrin resin, wherein the use amount of the adhesive resin is between 1.5 parts by weight and 8.5 parts by weight, the use amount of the hydrophilic polymer metal salt is between 1 part by weight and 6 parts by weight, and the use amount of the polyamide epichlorohydrin resin is between 0.4 part by weight and 3 parts by weight per hundred parts by weight of the inorganic particles. The composite isolating membrane disclosed by the invention has good high-temperature tolerance.

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 present invention provides a composite catalytic fiber of polymerized metal phthalocyanine supported on activated carbon fiber, its preparation method and application, which relates to the technical field of catalysts. In the present invention, metal phthalocyanine polymer (MPPc) is used as the active component, and MPPc is loaded on the activated carbon fiber carrier, which not only expands the conjugated system of the π electrons of MPc and increases the active centers; at the same time, it avoids the aggregation of MPPc molecules due to strong π-π interactions, making the central metal of the active component fully exposed, thus significantly improving the catalytic activity and stability of the catalyst; moreover, the activated carbon fiber can effectively adsorb organic pollutants to promote their catalytic degradation, and can also provide electrons for MPPc to improve the catalytic activity of MPPc, so as to efficiently degrade organic pollutants such as antibiotics in high-salt wastewater and reduce their biological toxicity, providing a new method for the pollution control of antibiotics.

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 utility model relates to the technical field of protective door frames, and discloses a protective door frame mounting structure which comprises a bottom frame, a threaded column is arranged at the bottom of the bottom frame in a penetrating mode, a foot support is fixedly mounted at the bottom of the threaded column, a first fixing piece is arranged at the top of the bottom frame, and a first connecting piece is arranged at the top of the first fixing piece. A second fixing piece is installed on one side of the first connecting piece in an inserted mode. According to the protective door frame mounting structure, through the design of the threaded columns and the foot supports, when the first fixing pieces and the fixing columns are mounted, the threaded columns can be inserted into the bottom frame and then inserted into the first fixing pieces and the fixing columns, and rapid positioning of the first fixing pieces and the fixing columns can be achieved; the bottom frame, the first fixing piece, the second fixing piece and the mounting frame are all made of high-molecular metal, and the high-molecular metal generally has high weather resistance, so that the influence of severe environments such as ultraviolet rays, high temperature and high humidity can be resisted, ageing, deformation or color fading is not prone to occurring, and the service life is prolonged.

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.