6results about How to "Barrier erosion" patented technology

This invention relates to the field of insulating materials for porous copper foil preparation, and particularly to an insulating material for porous copper foil preparation and its preparation method, as well as a method for preparing porous copper foil. The preparation method includes the following steps: perforating a cathode plate to obtain a cathode plate with multiple blind holes; filling the blind holes with an insulating material for porous copper foil preparation, and curing it to obtain a pretreated cathode plate; the raw materials for the insulating material are: resin, reactive diluent, thixotropic agent, leveling agent, polymerization inhibitor, and photoinitiator. The pretreated cathode plate is used as the cathode and placed in an electrolyte for electrodeposition to obtain porous copper foil. When preparing porous copper foil with the insulating material, the filling material in the blind holes can withstand more than 80 electroplating cycles without peeling off, indicating that the insulating material for porous copper foil preparation possesses excellent adhesion and electrolyte environment durability, enabling a single-filled cathode to support stable electrodeposition over an ultra-long period, significantly extending its effective service life.

The application relates to the technical field of traffic safety, in particular to a high-weather-resistance reflective film and a manufacturing method thereof. The high-weather-resistance reflective film comprises a PET film, a reflective adhesive layer coated on the surface of the PET film, and a silicone coating layer coated on the surface of the adhesive layer; the reflective adhesive layer is formed by uniformly scattering glass beads on the surface of the PET film after the adhesive material is coated on the surface of the PET film; the raw material of the adhesive material comprises, by mass fraction, 50-150 parts of a hydroxyl-containing acrylate resin, 5-12 parts of an IPDI prepolymer, 1-2 parts of UV329 ultraviolet absorber, and 0.5-1.5 parts of anti-aging agent 1076. The reflective film has excellent self-cleaning performance, good reflectivity, long-term stable weather resistance, can effectively reflect incident light, effectively protects the reflective glass beads, can maintain the performance for a long time under various environments and conditions, and is suitable for being used as a traffic sign.

The application provides a piezochromic grounding shielding assembly for a plant protection unmanned aerial vehicle peristaltic pump and a monitoring method thereof, and relates to the technical field of unmanned aerial vehicles. The shielding assembly comprises a multilayer composite structure of a conductive metal substrate layer, a piezochromic functional layer, a transparent conductive protective layer and an anti-corrosion sealing layer. The piezochromic functional layer adopts a polydiacetylene-silver nanowire composite system and undergoes reversible blue-red phase transition under the action of grounding contact pressure. The monitoring method comprises the following steps: periodically collecting images of the color-changing area by an onboard miniature CMOS camera, extracting chromaticity parameters in the CIE Lab color space, establishing a chromaticity-grounding impedance mapping model, realizing four-level grading evaluation of grounding quality, and reporting in real time to a ground station through a flight control system. The application simultaneously provides passive visual indication and active digital monitoring dual functions without increasing the wiring and power supply burden, and significantly improves the reliability and maintainability of the shielding system of the plant protection unmanned aerial vehicle peristaltic pump.

This invention discloses a nano-solid-state hydrogen storage material and its preparation method, belonging to the field of new energy materials technology. The nano-solid-state hydrogen storage material has a core-shell structure, comprising a nano-magnesium-based active phase core and a functionalized porous carbon material outer shell; the core contains in-situ grown multi-metal nanocatalyst particles; the outer shell is doped with non-metallic elements and loaded with metal-organic framework derivative nanoparticles; the core-shell structure is dispersed in a three-dimensional interconnected carbon-based network framework. The preparation method includes: preparing a multi-metal-organic framework precursor solution; synthesizing multi-metal-organic framework nanoparticles using a solvothermal method; chemically combining with a magnesium source and a nickel source to obtain a precursor composite; carbonization treatment to obtain a porous carbon-coated multi-metal nanocatalyst@magnesium-based composite material; constructing a three-dimensional network framework by combining with a functionalized carbon source and metal-organic framework derivatives; and high-pressure hydrogenation treatment. The material of this invention exhibits a low hydrogen desorption temperature, rapid hydrogen absorption and desorption kinetics, and excellent cycle stability.

This utility model discloses a cylindrical light source device for detecting internal defects in oil drums, comprising a coaxially connected hollow tube I and a hollow tube II. Hollow tube II is surrounded by an LED light panel and fitted with an optical diffuser tube. Industrial cameras with protective covers are symmetrically mounted at both ends. Modular assembly is achieved through hollow tube fixing components and diffuser tube fixing plates. The detection head fixing component is connected to an external lifting mechanism. This device can penetrate deep into the inspection port of the oil drum, achieving shadowless illumination using the diffuser tube. The dual cameras work together to complete 360° panoramic imaging, significantly improving the defect detection rate in confined spaces.

The application provides a high-temperature-resistant corrosion inhibitor suitable for various corrosion medium systems and belongs to the technical field of corrosion inhibitors. The corrosion inhibitor is composed of a high-temperature-resistant corrosion inhibitor main agent, a synergistic corrosion inhibitor, a surfactant and a solvent; the high-temperature-resistant corrosion inhibitor main agent is a 4'-tert-butyl-4-chlorobutyryl benzene modified bimolecular imidazoline quaternary ammonium salt compound; the synergistic corrosion inhibitor is a Mannich base compound; the surfactant is a commercially available fatty alcohol polyoxyethylene ether AEO-20 or nonylphenol polyoxyethylene ether TX-8; and the solvent is deionized water. The high-temperature-resistant corrosion inhibitor can inhibit high-temperature corrosion in various corrosion medium systems, reduce the risk of equipment damage and material leakage, and prolong the operation cycle of the device. Meanwhile, the high-temperature-resistant corrosion inhibitor does not contain harmful elements such as phosphorus to the environment, and does not affect the normal operation of the device and the quality of chemical products.