9results about How to "Improve curing rate" patented technology

The invention discloses a UV curing lamp based on multispectral partition regulation and a curing method of the UV curing lamp, and aims to solve the problems of insufficient triggering of a photoinitiator and energy waste caused by single wavelength or micro-mixing of an existing LED lamp. A light-emitting unit containing LED lamp beads with various different wavelengths is designed, a plurality of subareas are divided according to the wavelengths, independent dimming power sources are configured, and required spectrums and energy are matched and aggregated by adjusting the power of the lamp beads in the subareas, so that the method has the advantages that invalid wavelength energy waste is reduced, and energy is saved; the polymerization efficiency and the polymerization percentage are improved; under the same curing requirement, the use of the photoinitiator is reduced, and the cost is reduced; the aging resistance of the material is improved; the adaptability is high, and the requirements of different curing material systems can be flexibly met.

The utility model relates to the technical field of VR, in particular to a display module and VR glasses. The display module comprises a screen structure which comprises a screen support and a displayer, and the displayer is installed on the screen support; the lens structure comprises a lens barrel and an optical assembly, and the optical assembly is installed in the lens barrel; the lens barrel and the screen support are respectively provided with an annular end portion, an annular space for containing the annular bonding layer is formed between the two annular end portions, the annular space is communicated with the external environment through the annular opening, and the annular bonding layer is formed by glue solidification so as to connect the screen support and the lens barrel. An annular space for accommodating the annular bonding layer is arranged between the screen bracket and the annular end part of the lens cone and is communicated with the external environment through the annular opening, so that the whole circle of glue can be irradiated and cured through the annular space and the annular opening of the external environment after dispensing, the problem that the glue cannot be in contact with a light source is solved, the glue curing rate is favorably improved, and the production efficiency is improved. Therefore, the subsequent baking process is omitted, the cost is reduced, and the damage to the screen and the lens is avoided.

The invention discloses a preparation method of a PCB (Printed Circuit Board), which belongs to the technical field of PCBs and comprises the following steps of: (1) silk-screening ink on a PCB substrate, and sequentially pre-baking, exposing, developing, baking, UV (Ultraviolet) photocuring and pickling; (2) carrying out silk-screen printing of photosensitive ink on the pickled PCB substrate, and successively carrying out baking, exposure and development; (3) carrying out nickel-gold immersion treatment on the PCB substrate so as to deposit a nickel-gold layer on the surface of the PCB substrate; and (4) carrying out board milling on the PCB substrate to obtain the PCB printed circuit board. The straightening treatment is added after the PCB substrate is subjected to routing, the straightening parameters are controlled, and the ink curing degree is improved and the surface is recombined at high temperature / certain pressure, so that the contact angle of the ink surface is changed, the contact angle of the ink surface is effectively improved, and the requirements of customers are met; and finally, the scrapping caused by substandard ink contact angle is reduced, and the economic benefit is improved.

The application discloses a liquid treatment agent and a synthesis method and a use method thereof. The liquid treatment agent has the following components: silicate, hydrochloric acid, organic amine, stabilizer, silane coupling agent, polyaluminum chloride and hydroxamic acid, and the liquid treatment agent is obtained by mixing the components. The mass ratio of the silicate, the hydrochloric acid and the organic amine is 1.5-5:2.8-6:1; the mass ratio of the stabilizer and the silane coupling agent is 1:1.5-2.5, and the addition amount of the stabilizer is 2%-7% of the total mass of the silicate and the hydrochloric acid; the mass ratio of the polyaluminum chloride and the hydroxamic acid is 1:0.5-1.5, and the addition amount of the polyaluminum chloride is 2%-5% of the total mass of the silicate and the hydrochloric acid. The application can improve the strength and durability of a roadbed, improve the heavy metal solidification rate of the roadbed, reduce the risk of heavy metal leaching, modify the hydrophobicity of the roadbed material to improve the anti-permeability, and the roadbed material treated by the liquid treatment agent has high compressive strength and improved roadbed bearing capacity.

According to the photocurable acrylic adhesive and the adhesive tape, acrylate is adopted as a monomer, a special reactive diluent is added, and the special ratio of the monomer to an initiator to the reactive diluent is adjusted, so that optimized prepolymer glue is obtained. By selecting halogen-free flame-retardant filling materials and adjusting the specific matching proportion of the filling materials, the finished adhesive tape can reach the flame-retardant grade of UL94V-0 when being used for laminating a battery aluminum plate. Meanwhile, the ratio of the filler to the acrylic resin is adjusted, so that the adhesive tape has a good compression force value, the change of the volume of the battery can be effectively made up during charging and discharging of the battery, the risks of displacement, falling, collision and the like caused by loosening of the battery are reduced, the safety of the battery is greatly improved, and the risk of spontaneous combustion caused by damage of the battery is reduced. And extrusion and curing are performed in a slit coating manner, and the integrally-formed pressure-sensitive adhesive tapes with different thicknesses can be obtained only by adjusting a crack between the upper coating roller and the lower coating roller, so that the production time is greatly shortened.

This utility model discloses a manganese-containing tailings recovery system for electrolytic manganese, including a manganese recovery system, an ammonia recovery system, and a composite recovery system. The manganese recovery system includes a water washing sedimentation tank; the ammonia recovery system includes a roasting furnace and a first gas collection pipe connected to the roasting furnace, as well as a condensation pipe and an ammonia storage tank; the composite recovery system includes a steel mold press, the discharge pipe of which is divided into two paths, one connected to a calcining furnace; a second gas collection pipe is connected to the calcining furnace, the end of which is connected to a heating oxidation tank, and a packed tower is also provided below the heating oxidation tank; the other path is connected to a crushing and screening machine, which is also connected to a microwave reactor, and the microwave reactor is connected to an ultrasonic generator. This design utilizes the high-temperature calcination of manganese-containing tailings from electrolytic manganese and red mud, employing solid waste co-resource utilization technology, to recycle the manganese-containing tailings from electrolytic manganese as building materials, improving the solidification rate of heavy metals and the decomposition rate of ammonia nitrogen.

The present invention discloses a short-long wall intermittent filling mining and alkali solid waste CO2 storage system and method, wherein the storage system includes a CO2 storage structure, an alkali solid waste and CO2 pipeline transportation system and a CO2 storage monitoring system; the storage method includes the following steps: 1. preparing the alkali solid waste to be disposed and the CO2 to be sealed; 2. designing a short-long wall intermittent filling coal-pillar-free mining method; 3. adopting a short-long wall intermittent filling coal-pillar-free mining method to mine the mining area, and constructing a CO2 storage structure during the mining process, connecting the alkali solid waste and CO2 pipeline transportation system and the CO2 storage monitoring system; 4. transporting the alkali solid waste to be disposed and the CO2 to be sealed to the CO2 storage structure. The present invention enriches the CO2 storage types, provides a new idea for the exploration of CO2 storage repositories, can safely and effectively store CO2, reduce CO2 emissions, and alleviate the impact of greenhouse effects caused by carbon emissions on humans.

This invention relates to a novel phosphorus-fluorine curing agent for phosphogypsum and its preparation method, belonging to the technical field of industrial solid waste treatment and resource utilization. The curing agent of this invention comprises slag powder, anhydrous sodium sulfate, water glass, water, sodium hydroxide, and a Fe3O4@SiO2@Zr-Al bimetallic oxide stabilizer. The Fe3O4@SiO2@Zr-Al bimetallic oxide stabilizer has a core-shell structure, with magnetic iron oxide particles as the core, and an amorphous silica protective layer and an active layer sequentially coating the surface of the magnetic iron oxide particles. The active layer is an amorphous, porous network structure of zirconium-aluminum bimetallic oxide. The preparation method of the curing agent of this invention is simple, mild, and easy to industrialize. The main raw material is industrial solid waste slag, achieving "waste treatment with waste," with a small amount of agent added and low overall treatment cost.

The present application relates to a kind of medicine food for treating acne, preparation method, composition and application, medicine food is by sweet almond, Chinese yam, wax gourd seed, lily, fuzilong, jasmine, lotus seed, prepared wumei flesh, safflower, cypress seed, sweet leaf chrysanthemum and prepared yuzi, which are safe medicine of food and medicine composition;Preparation method is to be ground into fine powder, stir-fried, mixed to obtain;Composition includes medicine food for treating acne and peroxide benzoyl;The above medicine food is applied to the preparation of medicine food for treating acne;The medicine food for treating acne of the present application is more explicit than the curative effect of traditional Chinese medicine, more suitable in taste, more harmonious in nature and taste, convenient to serve, more suitable for long-term use.