10results about How to "Maintain gloss" patented technology

The invention belongs to the field of metal coating preparation, and particularly relates to a thick coating suitable for a silicon steel surface layer and a preparation method thereof. Graphene is modified by polyethylene glycol diglycidyl ether (PEGDGE), and silver nanoparticles are combined, so that the high-conductivity antibacterial composite material is prepared. An auxiliary agent solution is rapidly synthesized by a microwave ultrasonic technology, so that the hardness and wear resistance of the coating are enhanced. And an anti-ultraviolet and chemical-corrosion-resistant additive is added into the coating, so that the durability and the service life of the coating are improved. A spraying method is adopted for uniform coating, and high-temperature curing ensures that the coating is stable. The whole process is optimized, the conductivity, the antibacterial property, the ultraviolet resistance, the chemical corrosion resistance, the hardness, the wear resistance and the like of the coating are remarkably improved, and the high-performance coating is prepared.

The invention relates to the technical field of electrodeposited nickel production, and provides an electrodeposited nickel pore inhibition adding composition which can simultaneously solve the technical problems of pores, acid mist and surface quality in the electrodeposited nickel production process. The composition is prepared from the following components in parts by weight: 0.03 to 0.08 part of anionic surfactant; 0.1 to 0.2 part of a nonionic surfactant; 0.01 to 0.03 part of a hydrogen inhibiting agent; and 1-5 parts of a grain refiner.

The invention discloses a weather-resistant self-cleaning coating as well as a preparation method and application thereof, and belongs to the technical field of coating preparation. The self-cleaning coating is prepared from 50-70 parts of deionized water, 20-28 parts of protective glue, 20-35 parts of hydroxyethyl cellulose, 18-25 parts of latex, 5-8 parts of a preservative, 3-7 parts of a dispersing agent, 4-7 parts of a wetting agent, 1-2 parts of a defoaming agent, 3-5 parts of pigment filler, 3-5 parts of a coalescing agent and 2-4 parts of a thickening agent. The latex is composed of silicone acrylic latex and pure acrylic latex. By adding the raw materials with nano structures, a concave-convex shape similar to a lotus leaf is formed in the drying and film-forming process of the coating, so that dust particles are attached to the surface of the coating and are in a suspended state, and meanwhile, the contact angle between water and the surface of the coating is increased, so that water drops can roll down on the surface of the coating. In addition, hydrophobic substances are introduced into the solution, so that the coating is automatically layered in the drying and film forming process, a hydrophobic layer is enriched on the surface of the coating, it is guaranteed that the adsorbed polluting particles are separated from the surface of the coating under the scouring of wind and rain, and the self-cleaning purpose is achieved.

The application discloses a high-glossiness composite fabric production method based on double-silk wrapping, which wraps two groups of polyamide filaments or light polyester filaments on the outside of core yarn in opposite twisting directions, so that the glossiness of the obtained yarn is improved; more importantly, the opposite wrapping mode helps to keep the glossiness of the yarn at different angles basically consistent, thereby making the obtained fabric present good glossiness at different viewing angles. Meanwhile, the application spins the yarn by wrapping the core yarn with polyamide filaments or light polyester filaments, so that the fabric made of the yarn has higher strength and is not easy to wrinkle, guarantees the appearance flatness and glossiness of the fabric after washing, can bear greater calendering temperature and calendering pressure, and greatly improves the glossiness of the fabric. In addition, the fabric production method adopted by the application can obtain natural plant fiber composite fabric, is environment-friendly, and the fabric production method is simple in process and easy to implement in industrialization.

This utility model relates to a surface deburring device for pump body casting, belonging to the field of pump body casting and grinding technology. It mainly solves the problem of time-consuming removal of dirt and oxide scale, and proposes the following technical solution: It includes a fixed frame, with a cylinder fixedly connected to the back of the fixed frame. A concave connecting plate is fixedly connected to the output end of the cylinder, and a support plate is fixedly connected to the bottom of the concave connecting plate. A deburring mechanism is rotatably connected to one side of the support plate via a bearing, and a servo motor is fixedly connected to the other side of the support plate. This utility model, by positioning the deburring mechanism inside the cleaning tank, allows the pump body to be immersed in the metal cleaning liquid inside the tank. This design enables the cleaning of dirt and oxide scale from the pump body surface, preventing the time-consuming problem of abrasive particles in removing dirt and oxide scale, further improving the efficiency of pump body deburring, and ensuring the polishing gloss.

The invention relates to a processing method for solving heat dissipation of a contact surface of a wafer and an electrostatic chuck, which belongs to the technical field of silicon wafer processing, and comprises the following operation steps of: 1, grinding a silicon wafer; and 2, cleaning the surface of the silicon wafer through NAOH, SC1 and pure water. And 3, carrying out acid corrosion on the silicon wafer in a mixed solution of HF, HNO3 and H3PO4, wherein the corrosion rate needs to be regulated and controlled to 0.8-1 [mu] m / s so as to ensure the glossiness and roughness of the back surface. And 4, corroding the silicon wafer through PC-DH2 / TMAH, HF and pure water, and then cleaning the silicon wafer. And 5, carrying out BSD sand blasting treatment on the back surface of the silicon wafer by using a grinding liquid formed by mixing a 3000 # silicon dioxide grinding material and pure water. And 6, cleaning the silicon wafer subjected to the sand blasting treatment by adopting SC1. The problem of adapting to the temperature of the electrostatic chuck is solved. H3P04 is used for acid corrosion, and the glossiness of the back surface of the silicon wafer is ensured in a state of a relatively high corrosion rate. And meanwhile, large-particle salient points on the back surface caused by acid corrosion are filled in a BSD sand blasting manner.

The utility model relates to the technical field of metal ink production, in particular to metal ink production equipment with a raw material pretreatment structure, which comprises a stirring barrel, a supporting rod and a driving motor, the supporting rod is fixedly connected to the outer side of the stirring barrel, and the driving motor for driving a stirring device to rotate is fixedly connected to the center of the upper end of the supporting rod. The stirring device comprises a stirring rod, the outer side of the stirring rod is fixedly connected with a stirring plate, the upper side and the lower side of the stirring plate are fixedly connected with soft stirring blades, and the lower end of the stirring rod is fixedly connected with an eccentric block; the bottom of the stirring barrel is fixedly connected with a mixing device, the mixing device comprises a mixing device main body, the eccentric block and the mixing device are arranged, and the eccentric block extrudes the rubber sleeve when rotating, so that metal raw materials deposited at the bottom of the stirring barrel are extracted and blown out; and metal raw materials deposited at the bottom of the stirring barrel can be fully mixed, and the glossiness of a product is guaranteed.

This invention provides a carboxyl-terminated modified polyamide toughening agent, its preparation method, and its application. The carboxyl-terminated modified polyamide toughening agent comprises the following components in parts by weight: 55-70 parts of dimer acid, 5-12 parts of aliphatic diamine, 5-15 parts of aromatic dicarboxylic acid, 2-8 parts of modified monomer, 0.1-0.5 parts of catalyst, and 0.2-1 parts of antioxidant. The carboxyl-terminated modified polyamide toughening agent obtained by this invention, when applied to powder coatings, exhibits good flexibility and impact strength, achieving a balance between flexibility and rigidity; it has good boiling water resistance, without defects such as blistering, peeling, discoloration, or loss of gloss; and it has good solvent resistance, resulting in a high gloss retention rate for the coating.

The invention discloses a low-energy-consumption fabric drying process. The process comprises the following steps: pretreatment: performing dust removal and washing pretreatment on a fabric; fabric preparation and layout: adjusting the layout of the fabric according to the thickness of the fabric, and paving the fabric in a single layer when the fabric is light and thin; when the fabric is heavy, the fabric is arranged in a multi-layer staggered manner; preliminary drying is conducted, specifically, preliminary drying is conducted at the temperature of 30-35 DEG C, and the drying time is 14-18 h; deep drying and shaping: raising the temperature to 38-42 DEG C at the speed of 0.5-1 DEG C / min, and continuously drying for 8-12 hours; high-temperature drying: raising the temperature to 45-50 DEG C, carrying out high-temperature shaping and drying, and controlling the time to be 4-6 hours; and cooling, shaping and post-processing: naturally cooling at room temperature or shaping by adopting cold air, removing redundant thread residues, and trimming edges. According to the low-energy-consumption fabric drying process, the energy consumption is reduced, and meanwhile, the original softness and glossiness of the fabric can be kept after the fabric is dried.

The invention relates to the technical field of water-based high-temperature baking paint, in particular to water-based high-temperature baking finish paint and a preparation method thereof.The water-based high-temperature baking finish paint is at least prepared from, by mass, 5%-10% of urethane acrylate, 7%-18% of hydroxy acrylic resin, 5%-15% of acrylic copolymer, 10%-20% of polyester resin and 3%-9% of amino resin; the paint can be applied to various spraying modes (gas spraying and electrostatic spraying), various construction processes and spraying equipment, can be applied to oil paint equipment after simple equipment cleaning, parameter resetting and process conversion, and particularly has outstanding performance in the aspects of gas spraying and electrostatic spraying; and the method plays a positive role in promoting the policy of'oil-to-water 'in the industrial paint industry.