8results about How to "Improve self-cleaning" patented technology

The application belongs to the technical field of industrial coatings, and discloses a preparation process of self-cleaning FEVE varnish. The preparation process of the self-cleaning FEVE varnish comprises the following steps: (1) preparing a protective latex emulsion; (2) adding a wetting agent and a defoaming agent; (3) adding a composite sol; (4) adding FEVE resin, then adding a curing agent, and preparing the self-cleaning FEVE varnish after aging. The self-cleaning FEVE varnish prepared by the preparation process of the self-cleaning FEVE varnish has excellent adhesion, high weather resistance and good self-cleaning performance, and can be widely applied to building outer walls, transportation equipment, ocean facilities, urban public facilities and the like.

The utility model discloses an all-terrain tire, and relates to the technical field of tires, a tire tread is provided with a tread pattern structure, the tread pattern structure is distributed in a central symmetry manner, the tread pattern structure comprises a pattern block main body, a beveled chamfer and a pattern groove, and the pattern block main body is connected to the tire tread; the beveled chamfer is arranged on the edge of the pattern block main body along the annular direction; the pattern grooves are formed in the surface of the pattern block body, and the bottoms of the pattern grooves are arranged to be transition arcs. The beveled chamfer of the pattern block main body is utilized to ensure that the all-terrain tire has excellent silt and stone self-cleaning performance on a field complex road surface, the transition circular arc of the pattern groove is utilized to reduce the problem of groove crack at the bottom of the pattern groove, the tear resistance, impact resistance and puncture resistance of the pattern block main body are improved, and the service life of the all-terrain tire is prolonged. Therefore, the trafficability, durability and safety of the all-terrain tire under various complex road conditions can be improved.

The application discloses a kind of ancient ship rotten wood protection repair method, for the pine, fir, camphor wood on ancient ship, after the oxidation-reduction reaction of iron and the oxidation of reduced state sulfur, cause the degradation and rotten of wood, with micro-nano lime and ethyl cellulose deacidification reinforcement;For the crack and incomplete parts of ancient ship, make into imitation wood grain paste with tung oil etc. and fill the vacancy;For broken wood block, make into rotten wood adhesive with tung oil etc. and bond;For the ancient ship protection after repair, use fluorine rubber as sealing agent, provide a good environment for cultural relics, achieve waterproof, mildewproof, insect prevention and other effects.The method of the application replaces the traditional polyethylene glycol penetration spray method, rosin paraffin hot infiltration method, polyvinyl alcohol, polyethylene glycol penetration reinforcement, spraying raw tung oil, raw lacquer, B72 and epoxy resin and other protection methods, and uses fluorine rubber as ancient ship sealing agent, achieves the purpose of traditional and modern material combination of cultural relic protection "repairing old as old, minimal intervention".

The utility model relates to the technical field of RO (reverse osmosis) membrane non-stale water treatment, in particular to an RO membrane non-stale water treatment device which comprises a water inlet pipe, a motor and a water inlet valve are mounted on the water inlet pipe, one end of the water inlet pipe is communicated with an RO membrane, the lower end of the RO membrane is communicated with an RO membrane water outlet and an RO membrane heavy water port, a first one-way valve is arranged at the lower end of the RO membrane heavy water port, and a second one-way valve is arranged at the lower end of the RO membrane heavy water port. A manual valve is arranged at the lower end of the first one-way valve, a second one-way valve and a drainage electromagnetic valve are arranged at the lower end of the RO membrane water outlet, and the manual valve and the drainage electromagnetic valve are jointly provided with a waste water pipe.

The utility model discloses an outdoor LED court lighting lamp capable of being flexibly combined, which comprises an LED lamp body and an adjusting slide rail, the adjusting slide rail is connected to the top of the LED lamp body, and the top of the LED lamp body is movably connected with a connecting arm; and the telescopic supporting rod is installed at the top of the connecting arm, an output rod is arranged at the bottom of the telescopic supporting rod, and one end of the telescopic supporting rod is in threaded connection with a locking rotary knob matched with the output rod. By arranging the adjusting sliding rail and the connecting arm, flexible adjustment and combination of the LED lamp body are achieved. The adjusting sliding rail is connected to the top of the LED lamp body, and the connecting arm is movably connected with the LED lamp body through the damping rotating shaft, so that each LED lamp body can freely slide and be positioned on the adjusting sliding rail. In this way, installation and adjustment of the lamps are facilitated, the number and positions of the lamps can be flexibly combined according to actual lighting requirements, and the adaptability and flexibility of the lighting system are greatly improved.

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.

This application provides an ultrapure titanium dioxide, its preparation method, and its application. The method includes the following steps: S1: Dissolving an inorganic titanium source and a composite weakly polydentate dynamic coordination molecule in an inert organic solvent to obtain a composite precursor solution; wherein the composite weakly polydentate dynamic coordination molecule contains two or more reversible coordination functional groups; S2: Adding water to the composite precursor solution to form a titanium-oxygen network precursor; S3: Performing solvothermal treatment on the titanium-oxygen network precursor to induce crystallization, obtaining a crystallization intermediate; S4: Performing a two-stage heat treatment on the crystallization intermediate to obtain ultrapure titanium dioxide. Through the above method, titanium dioxide materials with both ultra-high purity and strong photocatalytic activity can be prepared without relying on external ion doping or unstable post-reduction treatment.

The invention relates to the technical field of ceramic materials and preparation, in particular to a domestic ceramic product and a preparation method thereof, and the preparation method comprises a green body preparation process, a glaze preparation process and a sintering process. Red quartz, feldspar and other natural minerals are preferably selected as raw materials of a green body, magnesium oxide and zinc oxide are introduced into a glaze formula, and the ceramic is endowed with excellent antibacterial performance and self-cleaning capacity. According to the ceramic product and the preparation method thereof, optimized ball milling time and filter-pressing rolling forming, drying and firing processes are combined, the compactness of a green body and the glossiness of a glaze surface are improved, meanwhile, the production cost is reduced, the invention further provides improvement measures for attractiveness, durability and environmental protection, and the ceramic product is suitable for the fields of tableware, kitchen utensils and the like and has a wide market prospect.