7results about How to "Surface performance is stable" patented technology

The present application belongs to the technical field of self-cleaning coating material, and discloses a super-hydrophobic self-cleaning coating material, a preparation method thereof, and a coating based on the same and application. The super-hydrophobic self-cleaning coating material comprises paint phenol, amino silicone oil and mixed solvents. The present application realizes the chemical modification of the paint phenol by the amino silane through the chemical reaction between the groups of the paint phenol and the amino silane. Further, the present application uses ethanol and water as mixed solvents, utilizes the compatibility difference of the paint phenol and the amino silicone oil in the ethanol and water, and assembles the microstructure in the solvent drying and volatilization process during the application process, which is unique and avoids the limitations of the traditional method of constructing microstructure by using nanoparticles. Further, the hydrophobic long chain of the paint phenol and the hydrophobic silicone chain segment of the amino silicone oil are utilized, so as to endow the material surface with excellent low surface energy characteristics.

The utility model discloses a kind of pre-coated film preparation systems, including roll material unwinding device, surface pretreatment device, coating machine and hot air circulation drying tunnel, cooling winding device and the like module, can realize interface adhesion reinforcing layer and surface energy control layer high-precision continuous coating on substrate surface.System can be configured according to single side or double side coating demand film turnover wheel group and multi-path pipeline transport, realize the consistency and uniformity of double side coating.Coating liquid preparation tank can be equipped with vacuum defoaming or ultrasonic mixing device, improve coating liquid uniformity and compactness.Overall system structure modularization, can be flexibly configured, applicable to different thickness BOPET film, ensure that coating adhesion is high, flatness is good, industrialized continuous production is stable and reliable, provide high-performance base material for hardening, electronic protection and insulating material and the like application.

The application provides a metal part prepared by additive manufacturing and a surface composite strengthening method and tool thereof. The method comprises the following steps: S1, preparing a metal part (1) and a plurality of test pieces (2) by additive manufacturing; S2, initially selecting 5-10 groups of laser shock peening and shot peening process parameter combinations to perform laser shock and mechanical shot peening composite strengthening on the test pieces (2); S3, measuring the surface porosity, surface morphology and surface residual stress of the test pieces (2) after the composite strengthening, and screening out optimal process parameters; and S4, taking the metal part (1) and performing laser shock-mechanical shot peening composite strengthening on the metal part (1) according to the optimal process parameters. The application proposes a laser shock-mechanical shot peening composite strengthening method for the metal part prepared by additive manufacturing, which can significantly improve the surface layer performance of the metal part prepared by additive manufacturing; the process is simple to implement, and will not cause excessive deformation to the metal part prepared by additive manufacturing; and the surface after the strengthening is the final surface, and no other treatment is needed.

The invention discloses a plastic-dipping flame-retardant elevator balance compensation chain and a preparation method thereof, and relates to the technical field of elevator compensation chain preparation, the plastic-dipping flame-retardant elevator balance compensation chain comprises the following raw materials: a modified high-strength alloy and modified environment-friendly flame-retardant PVC powder, and the modified high-strength alloy is prepared from a high-strength alloy through plasma surface modification treatment. The PVC resin, the ABS resin, the heat stabilizer, the plasticizer, the lubricating dispersant, the antioxidant, the halogen-free compound flame retardant and the smoke suppressant are mixed according to a certain sequence and proportion, modified PVC which is free of pollution and has excellent flame retardance and mechanical performance can be prepared, and the modified environment-friendly flame-retardant PVC is subjected to plastic dipping outside a chain to form a plastic dipping protection layer. According to the present invention, the protection effect is provided, the service life of the compensation chain is prolonged so as to improve the performance retention rate of the compensation chain during the long-term use, and the fire spreading can be effectively delayed under the emergency conditions such as the fire due to the excellent flame retardation of the plastic dipping layer.

The invention discloses a cake spreading machine, comprising: a frame, a support and a universal wheel are installed at the lower end of the frame, a feeding lifting device is installed on the bottom plate at the lower side of the frame, the lifting device comprises a lifting motor, the lifting motor is installed on the frame, a driving shaft is installed on the lifting motor, both ends of the driving shaft are installed on the frame through bearings, and two groups of active pulleys are installed on the driving shaft. The advantages of the invention are that it is a cake spreading machine with novel structure, convenient installation, convenient movement, and complete functions, and it can be used for feeding, adding and spreading cakes. The cake materials are transported through the feeding device, and the feeding position can be adjusted under the control of the moving plate. The feeding is uniform and the feeding efficiency is high. The feeding device can adjust the thickness of each layer of cake under the control of the lifting device. The cake spreading is controlled by a three-station independent motor, and the spreading is more efficient and safer.

The invention discloses a treatment method of enhanced magnesium aluminum alloy, which belongs to the technical field of magnesium aluminum alloy processing, and comprises the following steps: (1) surface cleaning treatment, (2) drying treatment, (3) soaking modification treatment, and (4) flushing heat preservation treatment. The treatment method has the beneficial effects of being environmentally friendly and easy to popularize, and the treated magnesium-aluminum alloy material has the very high corrosion resistance, weather resistance and abrasion resistance, the surface quality is stable, and the service life is obviously long.

The utility model discloses filling layer concrete plastering equipment which comprises a plastering trolley, transverse adjusting seats arranged on formworks on the left side and the right side of a filling layer and a longitudinal track assembly arranged on the transverse adjusting seats, the plastering trolley is arranged on the longitudinal track assembly through walking wheels, and a plastering assembly is arranged on the plastering trolley. According to the filling layer concrete plastering equipment, the plastering assembly moves along the formworks on the left side and the right side of the filling layer, so that the plastering assembly is not related to a trestle and is not influenced by the deadweight deformation of the trestle, heavy-load vehicles passing through the trestle during plastering and the like, it is guaranteed that the position of the plastering assembly cannot deviate from the elevation, and the plastering effect is good; by arranging the transverse adjusting base, the transverse position of the longitudinal rail assembly can be adjusted, even if the formworks on the two sides have installation position errors, machining and manufacturing errors or load deformation, the plastering trolley cannot rush out of the longitudinal rail assembly by adjusting the position of the longitudinal rail assembly, operation is stable, and adaptability is high.