13 results about "Fluorocarbon Polymers" patented technology

The invention discloses low-VOC (volatile organic compound) high-adhesion epoxy finish paint and a preparation method thereof, and relates to the technical field of epoxy paint. The low-VOC high-adhesion epoxy finish paint comprises the following raw materials in parts by weight: 50-70 parts of cationic epoxy resin, 3-8 parts of an adhesion promoter, 0-15 parts of a function enhancing component, 2-5 parts of a photoinitiator, 15-25 parts of a pigment filler and 3-8 parts of a solvent, and the function enhancing component is at least one of polysiloxane micropowder and a reactive fluorocarbon polymer. According to the low-VOC high-adhesion epoxy finish paint and the preparation method thereof, the alicyclic epoxy resin suitable for cation UV curing is selected as a basis, and the adhesion promoter is combined, so that the adhesion of a coating to a base material is remarkably improved on the premise of ensuring the low VOC content; by introducing the polysiloxane micropowder with rich active groups on the surface and the reactive fluorocarbon polymer, the weather resistance, hardness, hydrophobicity and stain resistance of the coating are respectively improved.

This application discloses a ZIF-FCP catalyst for contact electrocatalytic removal of water pollutants, its preparation method, and its application. This ZIF-FCP catalyst, when applied to contact electrocatalytic removal of water pollutants, possesses characteristics of interfacial stability, charge separation capability, and high catalytic activity, enabling efficient degradation of organic pollutants in water. Furthermore, the ZIF-FCP catalyst exhibits good structural stability and can be reused multiple times. The preparation method of the ZIF-FCP catalyst includes the following steps: S1, adding a zeolite imidazole ester framework and a fluorocarbon polymer solution to a container; S2, evacuating the container and then returning it to atmospheric pressure, using a vacuum-assisted loading method to load the fluorocarbon polymer onto the surface of the zeolite imidazole ester framework, thereby obtaining the ZIF-FCP catalyst. The ZIF-FCP catalyst has a three-layer composite structure from the inside out: a zeolite imidazole ester framework, an interfacial anchoring layer, and a fluorocarbon polymer electron-withdrawing layer.

According to the invention, there is provided a method of treating a component of a medicament dispensing device wherein the component is an aluminum can having an interior comprising an inner surface that is in contact with a medicament during storage or use of the device, the method comprising the steps of: placing the aluminum can in a chamber; inserting an electrode into the aluminum pot; performing a plasma cleaning step in which a gaseous atmosphere consisting essentially of oxygen and optionally at least one fluorocarbon is introduced into the chamber and a cleaning plasma is generated in the gaseous atmosphere using the electrode in order to clean the aluminum can, the inner surface of the chamber and the electrode; optionally coating the inner surface of the aluminum can with a coating; and depositing a fluorocarbon polymer layer onto the inner surface of the aluminum can by plasma polymerization, or, if present, onto a coating.

The invention discloses a composite function interface layer on the surface of a metal base material and a preparation method and application thereof, the composite function interface layer is of a porous structure and comprises C, F and O elements, and the thickness of the composite function interface layer is 3-100 nm. The preparation method comprises the following steps: coating a liquid fluorocarbon polymer on the surface of a metal substrate, and drying to form a precursor film; and placing the obtained product in a protective atmosphere, heating and preserving heat, and then cooling to room temperature to form an ultrathin porous composite functional interface layer on the surface of the metal substrate in situ. The liquid fluorocarbon polymer is pyrolyzed on the metal substrate, the carbon-based interface layer with the thickness of only nanoscale can be constructed on the surface of the substrate in situ, the interface layer has the porous characteristic, abundant channels are provided for ion transmission, the ion diffusion path is greatly shortened, the ion migration energy barrier is effectively reduced, and the performance of the device is improved. The ion transmission rate and the deposition / stripping dynamic performance of the electrode are remarkably improved, and the utilization rate and the cycle life of the metal electrode are improved.

This application discloses an integrated etching method, comprising: performing integrated etching to form a groove in a metal layer and a first dielectric layer, the first dielectric layer being formed on a second dielectric layer, and a metal line being formed in the second dielectric layer, with the metal line exposed at the bottom of the groove, the metal line and the metal layer containing different materials; performing post-etching to remove the fluorocarbon polymers generated during the integrated etching, the post-etching comprising three etching stages: in the first etching stage, a reactive gas including carbon monoxide and / or carbon dioxide is introduced; in the second etching stage, a reactive gas including hydrogen and an inert gas is introduced; and in the third etching stage, a reactive gas including carbon monoxide and / or carbon dioxide is introduced. By adding an etching stage containing a reactive gas including hydrogen and an inert gas during the post-etching process of integrated etching, this application can reduce the formation of residual metal fluoride compounds, thereby improving the reliability and yield of the device product.

The invention discloses a long-acting protective water-based fluorocarbon paint and a preparation method thereof. The water-based fluorocarbon paint mainly comprises a component A and a component B, the component A mainly comprises the following raw materials in parts by weight: 50-70 parts of a self-emulsifying fluorocarbon emulsion, 3-8 parts of polycarbonate diol, 3-7 parts of a cosolvent, 15-23 parts of a filler, 5-7 parts of functional fluorocarbon resin, 5-15 parts of deionized water, 0.5-4 parts of an auxiliary agent and 0.5-4 parts of a modified fluorocarbon polymer; and the component B comprises the following components in parts by weight: 40-60 parts of an HDI curing agent and 40-60 parts of a solvent. According to the fluorocarbon paint disclosed by the invention, the water-based property, efficient film forming, long-term weather resistance and strong adhesive force of the fluorocarbon paint are realized through the cooperation of the self-emulsifying fluorocarbon dispersoid, the functional fluorocarbon resin and the modified fluorocarbon polymer; a hydrophilic modified HDI tripolymer is used as a curing agent and is combined with a self-emulsifying technology, so that the compatibility of high-fluorine-content resin and a water-based system is realized. Compared with general water-based fluorocarbon paint, the fluorocarbon paint disclosed by the invention realizes stronger ultraviolet resistance, salt mist resistance, acid and alkali resistance and hydrophobicity, and the adhesive force of a paint film is also remarkably improved; the fluorocarbon paint is long in activation period and suitable for batch use.

The invention relates to a reaction plate for high-throughput screening of low-adsorption nuclear drugs as well as a preparation method and application of the reaction plate, and belongs to the technical field of biological medicines. The reaction plate comprises a substrate with a plurality of micropores in the surface and a coating formed on the inner surfaces of the micropores, the inner surfaces of the micropores are connected with the coating through covalent bonds; the coating is a hydrophilic-hydrophobic binary synergistic patterned coating; a hydrophilic area of the coating is a polyethylene glycol silane layer, and a hydrophobic area of the coating is a fluorocarbon polymer layer. According to the reaction plate disclosed by the invention, through special surface chemical treatment, the non-specific adsorption of ultralow-concentration (picomole to nanomole level) nuclear drug molecules (especially peptides, oligonucleotides and small molecule ligands) on the surface of a container can be remarkably reduced; the key technical problems of signal loss, inaccurate detection, non-repetitive results and the like caused by adsorption in the high-throughput screening process are effectively solved. The invention further provides a preparation method of the reaction plate, and the preparation method is stable in process and suitable for large-scale production.

The utility model discloses a fluorocarbon polymer powder decompression drying device, and relates to the technical field of decompression drying. The fluorocarbon polymer powder decompression drying device comprises a drying barrel and a drainage pipe fixedly arranged on the bottom face of the drying barrel in a penetrating mode, a valve is fixedly arranged at the bottom of the drainage pipe in a penetrating mode, and an air supply adjusting valve is fixedly arranged on the top face of the drying barrel in a penetrating mode and extends into the drying barrel. The drying device has the technical effects that a sealing cover, a sealing ring, an extrusion ring, a mounting frame and bolts are arranged in the placing mechanism, so that external humid air is effectively prevented from entering the drying barrel, and a stable environment is provided for drying; and a pressing plate, an extruding plate, a motor, a threaded rod, a threaded sleeve, a limiting rod and other parts of the extruding part can extrude the fluorocarbon polymer powder in the drying process, internal water is extruded out and discharged through a water discharging pipe, and the drying effect and the product quality are improved.

The invention provides a diaphragm roll and a battery, and particularly relates to the technical field of batteries. The diaphragm roll comprises a diaphragm body and an early warning adhesive layer, the diaphragm body is provided with a head end and a tail end which are oppositely arranged in the length direction of the diaphragm body, and the diaphragm roll with the tail end as a roll core is formed by winding the diaphragm body in the length direction; the early warning adhesive layer is arranged on at least one side of the diaphragm body, and a preset length is formed between the early warning adhesive layer and the tail end; wherein the pre-warning adhesive layer comprises a fluorocarbon polymer and a coloring agent, the RGB of the pre-warning adhesive layer is different from the RGB of the diaphragm body, the pre-warning adhesive layer is analyzed through Fourier transform infrared spectroscopy, the infrared spectrum of the pre-warning adhesive layer has a first absorption peak within the wave number range of 1700-1750 cm <-1 >, and the absorbance of the first absorption peak is 0.01-0.04. The diaphragm roll provided by the invention can effectively avoid the problem of battery performance deterioration caused by tape flying and early warning adhesive layer falling due to untimely roll replacement or continuous roll replacement.

The invention belongs to the technical field of plastic surface treatment, and particularly relates to a preparation method and application of a plastic surface composite coating structure. The preparation method comprises the following steps: S1, carrying out plasma cleaning treatment on a plastic base material; s2, (1) forming a bottom transition layer I on the surface of the plastic base material through first magnetron sputtering treatment; or (2) forming a bottom transition layer II on the surface of the plastic base material after the organosilane slurry is coated and cured; s3, forming a metal color layer on the bottom transition layer through second magnetron sputtering treatment; s4, forming monatomic silicon on the metal color layer through third magnetron sputtering treatment, forming SiNx or SiO2 through the action of nitrogen plasma or oxygen plasma, and forming a transparent protective layer on the metal color layer; and S5, a fluorocarbon polymer is formed on the transparent protection layer through fourth magnetron sputtering treatment, plasma containing fluorine ions is introduced in the magnetron sputtering process, and an anti-fingerprint layer is formed on the transparent protection layer.

A cathode configured for use in a fuel cell system is provided. The cathode includes a cathode substrate. The cathode also includes a coating disposed on the cathode substrate and including a fluorocarbon polymer additive configured for sintering at a temperature below 200 °C. The fluorocarbon polymer additive can be mixed with a catalyst ink coating or can be applied separately as a topcoat.

The invention provides a diaphragm roll and a battery, and particularly relates to the technical field of batteries. The diaphragm roll comprises a diaphragm body and an early warning adhesive layer, the diaphragm body is provided with a head end and a tail end which are oppositely arranged in the length direction of the diaphragm body, and the diaphragm roll with the tail end as a roll core is formed by winding the diaphragm body in the length direction; the early warning adhesive layer is arranged on at least one side of the diaphragm body, and a preset length is formed between the early warning adhesive layer and the tail end; wherein the early warning adhesive layer comprises an alkene nitrile-carbonyl multipolymer, a fluorocarbon polymer, a carbonyl polymer and a coloring agent. The early warning adhesive layer can be identified by the color sensor and can directly enter the battery without influencing the performance of the battery, and the production efficiency of the battery can be effectively improved through the early warning adhesive layer.

The invention discloses a stripping treatment method and a stripping treatment system for a tobacco thick paste method sheet, which comprises the following steps: modifying the surface of a steel belt, depositing a film coating on the surface of the steel belt, the film coating comprises a fluorocarbon polymer coating or a DLC coating, the thickness of the film coating is 50-100nm, the surface contact angle of the steel belt is more than or equal to 120 degrees, and obtaining the modified steel belt, the surface energy of the modified steel belt is reduced to 20 mN / m or below; the tobacco thick slurry method sheet is solidified on the modified steel belt, the interface adhesive force of the tobacco thick slurry method sheet and the modified steel belt is 0.1-0.3 N / cm, the micro airflow array generation module generates airflow forming an included angle of 10-15 degrees with the moving direction of the modified steel belt, and the flow of the airflow is 0.5-1 m / s so that the tobacco thick slurry method sheet and the modified steel belt can be stripped. According to the device, non-contact stripping of the tobacco thick paste method sheet and the steel belt is achieved through the composite airflow field, and the problems that stripped materials are coarse, scraped and the like are completely eradicated.