13results about How to "Improve attachment stability" patented technology

The invention discloses modified fiber filter cloth and application thereof in heavy metal ion adsorption. Through dicyandiamide etching and bridging effect of arginine, a stable polyphenol hydroxyl adsorption layer is formed on the surface of the polyester fiber, so that the chelating ability of the polyester fiber to heavy metal ions is effectively improved, and the modified polyester fiber shows excellent adsorption performance in the aspect of treating the heavy metal ions in textile wastewater; particularly, the efficient removal effect on ions such as Cu < 2 + > and Zn < 2 + > in the textile wastewater is achieved. The modification method provides a new solution for efficient and environment-friendly textile wastewater treatment.

The utility model provides a kind of GPS positioning tracking device of convenient sticking, belong to satellite navigation technical field, including GPS main body, including fixed part, fixed part is equipped with shell and is set on the hook of shell, monitoring mechanism includes being set on GPS main body, including display component and detection component, display component is used to provide state information feedback, detection component is used to obtain and send positioning data, display component includes power display lamp and signal display lamp, power display lamp is used to indicate the power supply state of GPS main body.The utility model is by using flexible viscidity shell and rotatable hook structure, can adapt to the quick installation of multiple shape surfaces, improve the firmness of attachment and use convenience, combine big dipper / GPS dual-mode positioning module and wireless communication function, high-precision positioning and data remote transmission are realized, environmental adaptability and practicality are enhanced, effectively solve the problem that traditional GPS tracking device installation is complex, applicability is narrow, stability is poor.

The invention relates to the field of herbicides, and particularly discloses a nicosulfuron-mesotrione oil suspending agent and a preparation method thereof. The nicosulfuron-mesotrione oil suspending agent is prepared from the following raw materials: 40 to 50 parts of atrazine, 5 to 12 parts of nicosulfuron, 10 to 16 parts of mesotrione, 15 to 22 parts of an emulsifying agent, 1 to 3 parts of starch coated fat-soluble resin, 1 to 3 parts of nano dispersed fibers, 1 to 2 parts of a dispersing agent, 1 to 3 parts of a thickening agent, 0.5 to 1 part of a de-foaming agent and 50 to 60 parts of an oil solvent. The preparation method comprises the following steps: uniformly mixing and emulsifying the oil solvent and the emulsifier, then adding the atrazine, the nicosulfuron and the mesotrione, uniformly mixing and stirring, and sanding to obtain a mixture; adding starch-coated fat-soluble resin, nano dispersed fibers, a dispersing agent, a thickening agent and a defoaming agent into the mixture, uniformly mixing and stirring, and performing defoaming treatment to obtain a finished product. Meanwhile, the weeding composition has the advantages of high suspension rate, high stability, good water resistance and long weed prevention and control time.

The invention relates to the technical field of polymer compositions, and discloses a combed siro spinning raw material composition containing a bio-based polyamide component, which comprises a maleic anhydride grafted biomass thermoplastic polyurethane elastomer, polyamide 610 / 612 copolymerized polyamide and bio-based polyamide 56 resin, according to the preparation method, the surface migration of a lubrication phase is induced by utilizing the rheological viscosity ratio mismatch of components in a molten state, and a hierarchical polarity gradient structure is formed on the fiber submicron surface layer of a product in cooperation with a microgel anchoring point constructed by an interface in-situ grafting reaction. Interfacial energy holes generated by the bio-based polyamide due to uneven polarity of molecular chains are flattened, so that the fiber interface is converted from traditional external lubrication to body self-lubrication response, the adhesion stability of a lubrication phase under an extreme shear force field is enhanced, and the instantaneous end breaking frequency in the high-count combing process is reduced.

The utility model discloses a double faced adhesive tape rolling pasting module for PCB processing, which comprises an X-axis lead screw module, a Z-axis lead screw module and a mounting seat, a vertically arranged Z-axis sliding rail is fixedly arranged on the side wall of one end, deviating from the Z-axis lead screw module, of the mounting seat, a first telescopic air cylinder is further fixedly arranged on the mounting seat above the Z-axis sliding rail, and a second telescopic air cylinder is further fixedly arranged on the mounting seat above the Z-axis sliding rail. An output shaft of the first telescopic air cylinder is connected with a rolling and pasting roller used for rolling and pasting and pressing the double-faced adhesive tape through a U-shaped support, and one side of the U-shaped support is arranged on the Z-axis sliding rail in an embedded mode and can move in the laying direction of the Z-axis sliding rail. According to the technical scheme, the first telescopic air cylinder is arranged, the height of the rolling and pasting rolling wheel is adjusted through the first telescopic air cylinder, movement of the rolling and pasting rolling wheel is guided through the Z-axis sliding rail, and rolling and pasting treatment is conducted on the surface to be machined through the rolling and pasting rolling wheel; the surfaces of the two sides of the machined workpiece are evenly pressed in a full-area mode, and the adhesion stability of the double-faced adhesive tape is effectively improved.

This invention discloses a non-contact ship bottom cleaning machine based on pulse cavitation technology, comprising a mounting frame with a sealed box, inside which are pulse cavitation generation equipment and control equipment. Two drive wheels are fitted with transmission belts, the outer walls of which are fixed with permanent magnets. A drive mechanism for rotating a drive shaft is installed inside the sealed box. A mounting plate is mounted on the mounting frame, and multiple sets of dirt guiding mechanisms are installed on the mounting plate. This invention effectively solves the core technical bottlenecks of existing pulse cavitation cleaning robots, achieving integrated operation of non-contact, high-efficiency ship bottom cleaning and simultaneous dirt collection. It retains the advantages of pulse cavitation technology—high cleaning efficiency, no secondary damage, and environmental friendliness—while avoiding the impact of dirt diffusion on the moving mechanism, thus improving the machine's mobility and operational stability.

The application discloses a kind of hydrophobic fertilizer anti-caking agent and preparation method thereof, it is related to fertilizer adjuvant and granular fertilizer surface treatment technical field, its technical points the hydrophobic fertilizer anti-caking agent is prepared by the following mass parts of raw materials: porous mineral carrier 100 parts, long-chain fatty acid 8-25 parts, divalent metal source 2-10 parts, waxy hydrophobic agent 10-35 parts, liquid hydrophobic oil 3-15 parts, organic silicon hydrophobic agent 2-10 parts, alkyl silane coupling agent 0.5-4 parts, emulsifier 1-6 parts, dispersing agent 0.2-2 parts, anti-adhesion adjusting micro powder 1-8 parts, pH regulator 0.2-2 parts and water 80-260 parts;By in-situ generation fatty acid metal soap anchor layer on the surface of porous mineral carrier, originally hydrophilic mineral carrier is changed into hydrophobic anchor carrier, improve the combination stability between hydrophobic component and powder carrier.The application constructs wax-silicon composite hydrophobic layer outside fatty acid metal soap anchor layer, so that anti-caking agent has waxy moisture-proof, organic silicon low surface energy, liquid hydrophobic oil spreading and alkyl silane coupling enhancement effect simultaneously.

The present application relates to the field of plastic processing, and specifically discloses a yellowing-resistant and highly transparent aliphatic polycaprolactone TPU and a preparation method thereof; a yellowing-resistant and highly transparent aliphatic polycaprolactone TPU, comprising the following raw materials in parts by weight: 10-20 parts of polyether polyol, 50-65 parts of polycaprolactone polyol, 60-80 parts of isocyanate, 5-12 parts of chain extender, 5-12 parts of filler, and 0.5-1 part of antioxidant; the filler is composed of an ultraviolet absorber, boron nitride nanosheets, and single crystal alumina in a weight ratio of 1:1-2:2-4; the preparation method thereof is: weighing the filler and the polycaprolactone polyol, mixing them evenly, then adding the polyether polyol and continuing to mix, and after mixing evenly, obtaining a primary mixture; weighing the isocyanate, the chain extender, and the antioxidant and adding them to the primary mixture, mixing and stirring evenly to obtain a mixture; the mixture is melt-extruded to obtain a finished product; and the product has the advantages of good yellowing resistance and high transparency.

The invention belongs to the technical field of wearable medical monitoring equipment, flexible electronic technology, biomedical signal detection and processing technology and dysphagia auxiliary diagnosis, and discloses a flexible magnetic-electric bimodal swallowing function real-time dynamic monitoring system and a flexible magnetic-electric bimodal swallowing function real-time dynamic monitoring method. The real-time dynamic monitoring system comprises a flexible sensing assembly, a magnet assembly, an impedance acquisition module, a magnetic signal acquisition module, a main control processing module and a diagnosis output module, synchronously acquires a biological impedance signal and a magnetic induction intensity vector signal in a swallowing process, reconstructs a laryngeal movement process, and performs real-time dynamic monitoring on the swallowing process. The method comprises the following steps: extracting rheological characteristics of a food mass passing process from a biological impedance signal, carrying out self-adaptive compensation on motion artifacts in the biological impedance signal by utilizing a magnetic induction intensity vector signal, and calculating a time delay parameter to realize swallowing coordination evaluation, swallowing starting delay identification and mistaken suction risk early warning. The device has the advantages of flexible structure attachment, dual-mode synchronous detection, high motion interference resistance, suitability for continuous non-invasive monitoring and the like.

The application relates to the technical field of batteries, and provides a separator, a battery cell and a battery.A separator comprises a base film, at least one side surface of the base film in a thickness direction is provided with a pit, and the side of the base film provided with the pit is provided with a bonding layer; the thickness of the base film is recorded as a mu m, the depth of the pit is recorded as b mu m, and the area density of the bonding layer is 0.25 g / m 2 2 2 ; a and b satisfy: 5%<=b / a<20%. The separator provided by the application improves the adhesion stability of the bonding layer by arranging the pits on the surface of the base film and controlling the ratio of the pit depth to the base film thickness and the area density of the bonding layer within a specific range, effectively reduces the risk of particle falling off of the bonding layer in the processes of winding and lamination, and improves the safety performance and cycle life of the battery.

This invention belongs to the field of coating preparation technology and provides a self-cleaning coating for high-voltage transmission lines to prevent condensation and icing, as well as its preparation method. After curing, the coating forms a base layer, an intermediate functional layer, and a top layer sequentially arranged from the inside out on the surface of the conductor. The base layer is a hybrid binder layer composed of silane and inorganic components. The intermediate functional layer uses a siloxane elastomer as the continuous phase and contains phase change microcapsules, light-absorbing particles, insulating and thermally conductive fillers, core-shell dielectric particles, and a low surface energy fluid phase. The dielectric particles are enriched at the interface between the intermediate layer and the top layer. The top layer is a low-modulus siloxane elastomer containing a hierarchical rough structure composed of hydrophobically modified nanoparticles and micron-sized particles, and also contains low surface energy migration components. This coating possesses comprehensive anti-condensation, anti-icing, and self-cleaning properties.

This invention belongs to the field of protective coating technology and discloses an environmentally friendly ceramic-graphene composite insulating protective coating and its preparation method. The coating comprises an aqueous epoxy resin, an inorganic ceramic precursor film-forming component, a core-shell-interface modified insulating graphene functional filler, an aqueous curing agent, and additives. The functional filler includes a graphene core, an Al2O3 insulating shell continuously coated on its surface, and an epoxy reactive organosilicon interface layer grafted onto the outer surface of the Al2O3 insulating shell. By first preparing the functional filler and then compounding it with the aqueous epoxy resin and the inorganic ceramic precursor film-forming component to form a film, the resulting coating possesses excellent insulation, protection, and adhesion stability, making it suitable for insulating and protecting metal substrate surfaces.

The invention discloses a small organic molecule modified composite photocatalyst as well as a preparation method and application thereof. The composite photocatalyst comprises small organic molecules and a photocatalyst containing active vacancies, wherein the small organic molecules can interact with the active vacancies and are embedded into the active vacancies; the active vacancies are generated by carrying out chemical etching treatment on the surface of the photocatalyst; the photocatalyst is an oxide, a sulfide or a nitride, and the composite photocatalyst enhances CO2 adsorption and electron transfer efficiency and improves separation efficiency, so that the catalyst can perform photocatalytic CO2 reduction under sunlight, and shows good catalytic stability under long-term continuous illumination.