95 results about "Lotus effect" patented technology

The present invention is a method of applying Lotus Effect materials as a (superhydrophobicity) protective coating for various system applications, as well as the method of fabricating/preparing Lotus Effect coatings.

The invention belongs to the technical field of a new chemical material, and in particular relates to a high-durability super-hydrophobic self-cleaning coating material and a preparation method thereof. The coating material of the invention is prepared by curing and drying nanoparticles with photo-catalytic activity, a low-surface-free-energy polymer and a cross-linking agent at the room temperature, wherein the low-surface-free-energy polymer consists of one or more of polysiloxane fluoride, dimethyl silicone polymer and polyphenylene methyl siloxane, which contain active groups, such as hydroxyl alkoxy group, carbon-carbon double bond, silanol group, siloxy group, and the like; the cross-linking agent is hydrogen-containing silicone oil or aminosilane; and the mass content of the photo-catalytic nanoparticles in the coating ranges from 10 to 60 percent. The coating is formed into a micro-nanostructure by nanoparticle self-organization; a super-hydrophobic self-cleaning coating with lotus effect is prepared from the coating and a cross-linked filming matrix with low surface energy; the persistence of a lotus-shaped super-hydrophobic characteristic of the coating is realized by using the photo-catalytic decomposition characteristic of an organic pollutant for the nanoparticles; and thus the material is suitable for large-area construction and has high weathering resistance andprominent self-cleaning characteristic.

The present invention belongs to the field of self-cleaning coating technology. In the concrete, it relates to a self-cleaning fluorocarbon coating with lotus leaf effect. It is made up by using organic silicon modified fluorocarbon resin, solidifying agent, hydrophobic particles, pigment, filling material, adjuvant and solvent according to the mixing ratio of 1:0.1-0.3:0.03-0.1:0-0.36:0-0.1:0.01-0.05:0.1-0.3 through a certain preparation process.

The invention belong to the technical field of chemical coatings, and relates to anti-pollution flashover coatings for electrical equipment, in particular to the anti-pollution flashover coatings which can achieve a self-cleaning effect, and a preparation method thereof. The self-cleaning anti-pollution flashover coatings are prepared by end hydroxyl polysiloxane, white carbon black, modified flame retardants, micron extinction powder, pigment, crosslinking agents, catalysts and solvents according to designated weight portions. Through adding of micron particles and nano-silica on the surface structure of the self-cleaning anti-pollution flashover coatings to form a roughened surface provided with a micron-nanometer structure, namely, the micron-nanometer structure with the surface similar to lotus effects, so that the actual contact area of solid-liquid phase of the outer surface of the coatings is larger than the observed area on an apparent geometry. The hydrophobicity and adhesive attraction resistant action of the coatings are greatly enhanced, the coatings can have a self-cleaning ability, and anti-pollution flashover effects are greatly enhanced.

The invention provides a superhydrophobic coating prepared from particles with ultrahigh roughness. The superhydrophobic coating is prepared from the following components: particles with protrusions or holes and unsmooth structures, protective particles, a bonding agent and an assistant, wherein the volume ratio of the particles with the protrusions or the holes and the unsmooth structures to the protective particles to the bonding agent is (0.1-7):(1-7):(1-10). A lotus effect technical theory is applied to obtain a super-hydrophobic, underwater superhydrophobic oil or super-amphiphobic surface coating, further the performance of the coating is improved, and the defects of the conventional superhydrophobic coating that the structure is easy to damage, the service life is short and the like are overcome. The prepared coating has super hydrophobic properties (super-hydrophobic, underwater superhydrophobic oil or super-amphiphobic properties), self-cleanness and excellent wear resistance; substrate materials suitable for the coating are glass, plastic, rubber, textiles, paper, metal, cement, ceramic materials or the materials covering other coatings.

The invention discloses a waterproof staining-resisting nano composite coating belonging to the technical field of nano materials, as well as preparation and application methods of the coating. The coating consists of alkyl alkoxy silane, nano particles, an emulsifier and deionized water. The purposes of waterproofness and staining resistance are achieved by brushing the coating on the surface of stone or concrete and the like in a dry environment at the normal temperature. The coating is based on lotus effect, the alkyl alkoxy silane is taken as a substance with low surface energy, and the nano particles are taken as fillers of a rough surface structure of a waterproof agent coating.

The invention aims at overcoming the defects in the prior art, and provides outer wall elastic emulsion with a lotus effect and a preparing method of the outer wall elastic emulsion. The outer wall elastic emulsion has excellent normal-temperature and low-temperature elasticity and also has good stain resistance. The outer wall elastic emulsion with the lotus effect comprises raw materials including, by weight, 90-110 parts of deionized water, 41-56 parts of 2-ethylhexyl acrylate, 32-45 parts of butyl acrylate, 9.4-12.6 parts of styrene, 8.6-12.4 parts of methyl methacrylate, 0.3-1.6 parts of crylic acid, 0.6-1.9 parts of methacrylic acid, 0.3-0.6 part of acrylamide, 0-0.65 part of methacrylamide, 0.6-1.3 parts of hydroxyethyl acrylate, 0-1.5 parts of hydroxyethyl methylacrylate, 0.5-5 parts of wax emulsion, 2-6 parts of compound emulsifier and 0.2-4 parts of initiator.

A light emitting diode (LED) street lamp includes an LED chip, a ceramic substrate, a lamp shade, a nano-enamel layer and a thermally radiative heat dissipation film. The nano-enamel layer is disposed on the ceramic substrate to provide electrical insulation and isolation for protection, is made from nano-particles to have a surface with the function of self-cleaning due to lotus effect. The thermally radiative heat dissipation film is disposed on the inner surface of the lamp shade and the surface of the ceramic substrate, and has a surface microscopic crystalline structure. The thermally radiative heat dissipation film fastly propagates the heat generated by the LED chip by thermal radiation in some specific direction so as to improve the efficiency of heat dissipation, reduce the total thickness, enhance the efficiency of light emitting and effectively prolong the lifetime of the LED street lamp.

The invention relates to a super-hydrophobic stain-resistant multicolor coating and a preparation method thereof. The super-hydrophobic stain-resistant multicolor coating comprises, by weight, 10-30% of protective sol, 30-50% of dispersion phase base paint, 20-50% of continuous phase varnish. The preparation technique for super-hydrophobic surfaces is applied to the continuous phase varnish, so that the entire multicolour coating shows up lotus effect. After spraying and drying, the contact angle of the coating surface and water can reach the standards of super-hydrophobic surfaces, the multicolor coating is enabled to have low-adhesion and self-cleaning capabilities, water droplets are difficult to adhere to the surface of the coating, easily roll on the surface and slide off to take away pollutants, and self-cleaning effect is achieved. The super-hydrophobic stain-resistant multicolor coating integrates advantages of economy, attractiveness and environmental protection, meets the requirements of sustainable development and has huge market development potential.

The invention relates to a production method of a fluoride-free waterproof woven fabric. The production method comprises the following processes in sequence: (a) pre-treatment process; (b) dyeing process; (c) cleaning process; (d) plasma process; and (e) fluoride-free waterproof heat setting process. The production method is characterized in that plasma beams emitted by a plasma generator are utilized to irradiate the woven fabric to ensure that a concave-convex coarse structure is formed on the surface of the treated fabric and then fluoride-free finishing liquid is padded on the coarse surface of the fabric. The coarse structure on the surface of the plasma irradiated fabric can form a lotus effect so as to enhance the water repellency of the fabric. Meanwhile, after the plasma irradiation, reactive free radicals can be generated on the fiber surface so that the combination of the subsequent fluoride-free waterproof finishing agent and the fiber surface is steady and the fabric still has water repellency after repeated washing. According to the production method, the technical problems of low water repellency and washing intolerance in present fluoride-free waterproof finishing are solved.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a filter net and a cleaning device; the surface of the filter net is evenly wrapped with a super-hydrophobic coating, the cleaning device comprises a water spraying pipe arranged along the upper end of the inner side of the filter net, multiple spraying holes are formed in the side, close to the filternet, of the water spraying pipe, and water sprayed out of the spraying holes is used for cleaning the filter net. According to the scheme, the lotus effect of the super-hydrophobic coating is used for enabling dust not to be prone to being pasted on the filter net, for a small amount of dust and willow catkins flying in the air pasted on the filter net, water generated by a cleaning device is used for enabling the dust and the willow catkins flying in the air on the surface of the filter net to form water drops, due to the fact that the super-hydrophobic coating is not soaked with water, thewater drops can easily get off dust on the surface of the filter net, the water drops fall by means of the gravity, the filter net achieves self cleaning, bacterium breeding is reduced, the filter netcleaning process is automatically finished through the cleaning device, time and energy of a user are saved, and the use experience of a user is improved.

A magnetic hydrophobic self-cleaning paint and a preparation method thereof belong to the technical field of nano-material technology. The paint comprises alkyl alkoxy silane, Fe3O4 magnetic nanoparticles and an organic solvent. The Fe3O4 magnetic nanoparticles are modified by the dendritic macromolecules. Based on the '' lotus effect '', the invention employs alkyl alkoxy silane as a low surface energy substance, which is added with dendritic macromolecule modified Fe3O4 magnetic nanoparticles as a filler for a rough surface structure of the coating, so as to prepare a hydrophobic self-cleaning coating. The magnetism of Fe3O4 nanoparticles can reinforce adhesion of the coating on a ferromagnetic steel surface.

The invention discloses a wall paint to generate lotus leaf after contacting water, which comprises the following parts: 10-22% water, 1-4% diatomaceous earth, 17-25% titanium dioxide, 25-40% emulsion, 0.5-3.5% wax emulsion, 2.055-10.27% adjuvant and 4-21% filler.

The invention relates to a polypropylene composite material with a lotus effect on greasy dirt. The polypropylene composite material is prepared from the following components in percentage by mass: 60-80% of polypropylene, 5-8%of nitrile rubber, 2-5% of a compatilizer, 2-8% of fluoride, 10-15% of nano silicon dioxide polymer composite particles, 0.2-0.5% of a composite anti-oxidant and 0.1%-0.3% of a composite nucleating agent. The invention further relates to a preparation method for the polypropylene composite material. The polypropylene composite material surface has relatively strong greasy dirt resistance and easy cleaning performance, and can form the lotus effect on the greasy dirt.

The present invention relates to a surface treatment method for treating the surface of a substrate to be highly hydrophobic for imparting a high hydrophobicity to the substrate, and more specifically, to a surface treatment method for treating the surface of a substrate to be highly hydrophobic, wherein a highly hydrophobic lotus effect is simulated so as to be materialized on a coating by usingtwo kinds of organosilane molecules having a low surface energy and showing the difference in height in case of coating through a self-phase separation during the coating of the organosilane molecules and the surface roughness due to the difference in height of domains and matrixes thereof. The surface treatment method for treating the surface of a substrate to be highly hydrophobic according to the present invention makes the surface of a substrate show a high hydrophobicity by combining to the substrate, wherein a mixed self-assembled monolayer is formed through chemical vapor deposition byusing an organosilane having a CF3 group as a functional group and an organosilane of which the carbon chain is shorter than that of the organosilane and having a CH3 group as a functional group, thereby obtaining a highly hydrophobic surface.

The invention discloses a beverage with a weight-loss function. The beverage is characterized by comprising the following components in percentage by weight: 6-10% of rose, 2-5% of safflower, 5-10% of haw, 1-5% of watermelon peel, 4-8% of lotus leaf, 1-5% of red bean, 1-5% of ginger, 2-8% of medlar, 1-5% of semen cassiae, 5-12% of rice vinegar and the balance of black tea water. The beverage with the weight-loss function provided by the invention is convenient to drink, good in weight-loss effect, beneficial to keeping healthy and beautiful body; and the beverage with the weight-loss function can be prepared by oneself at home, and the preparation is simple and convenient.

The invention provides a method for manufacturing cotton lotus root silk blended yarn, which comprises: a blowing process, a carding process, a drawing process, a roving process, a spun yarn process and the like. Among them, the carding process adopts a small drain bottom with a chord length of 200mm to enhance the supporting effect on the fibers, and the dust removal knife adopts a flat knife to enhance the supporting effect on the lotus root silk fibers. The roving and spinning process adopts tight gauge and heavy pressure, and at the same time, the speed of the machine is low, which is 20% lower than that of spinning cotton. Cotton and lotus root silk blended products have high technical content and are difficult to produce; the present invention solves the technical problems existing in the prior art and obtains a blended cotton/lotus root silk blended product. The test results show that it has better single yarn breaking strength and Evenness CV% and other indicators.

The invention relates to a method for reducing a background signal of an electrochemical sensor and a sensor utilizing the method, which belong to the technical field of biological analysis. The method is characterized in that a conventional lotus effect in the nature is formed in the establishment or detection process of a sensor, a molecular signal probe in small size is fixed on the surface of nanogold particles to be synthesized into a nano probe in a large size, so that a nanostructure which is similar to the surface of a lotus leaf is formed in the sensing process, the adsorption caused by the insertion of the signal probe into a molecular gap on a DNA single molecular layer on the surface of an electrode can be effectively prevented, and the background signal of the electrochemical sensor can be basically eliminated. A result shows that the background signals can be completely eliminated by adopting the nano probe when cocaine and triphosadenine are detected, the sensitivity in the detection can be correspondently and greatly improved, and the detection sensitivity of the cocaine and triphosadenine are respectively 6nm and 5nm and respectively improved by 2000 times and 1000 times; when Hg2+ is detected, the signal residue is also reduced from 30 percent to be less than 6 percent.

The invention discloses imitation aluminum-plastic board metallic paint, which is characterized in that the metallic paint comprises a first component which comprises weather-resistant solidifying agent and thinning agent; a second component which comprises fluoro resin, poly-fluorine-silicon resin, aluminum powder, flow agent and the thinning agent; when being used, the mixed rate of the weight of the first component and the second component is 1:8. The invention also discloses a preparation method for the imitation aluminum-plastic board metallic paint. The imitation aluminum-plastic board metallic paint has the advantages that the metallic paint is directly sprayed on the wall surface, the construction is convenient, the paint is inexpensive, the paint film is artistic and twinkles with a metallic luster, and the metallic paint has the effect of the metal aluminum-plastic board; the metallic paint has super weather resistance, the service life is long and can reach up to 25 years; the metallic paint also has super pollution resistance, the surface is smooth, the adhesion is very small, the metallic paint has the lotus effect, which can not be polluted and is very easily to be cleaned; the metallic paint has excellent gloss retention and color retention and is wear resistant, and the scratch resistance is good; the preparation method is simple, and the large-scale production is easy to be performed.

The invention relates to a dustproof and static conductive environmental protection coating for air purifying equipment. The dustproof and static conductive environmental protection coating is characterized by being prepared from the following single components in parts by weight: 40-45 parts of water-based fluorocarbon emulsion, 2-3 parts of a film forming additive, 15-20 parts of filler, 0.3-0.5 part of a rheological additive, 1-1.5 parts of a flatting agent, 0.7-1 part of a defoaming agent, 0.5-1.5 parts of a dispersing agent, 1-3 parts of a thickening agent, 0.1-0.2 part of a PH regulator, 0.5-1.5 parts of a lotus effect additive, 1-2 parts of nano titanium dioxide aqueous dispersion, 3-5 parts of graphene dispersion and 13-15 parts of water. The dustproof and static conductive environmental protection coating for the air purifying equipment adopts the water as a dispersion medium, thus being healthy and non-toxic; the water-based fluorocarbon emulsion with good weather resistance and contamination resistance is used for cooperating with the synergistic effect of the lotus effect additive and the nano titanium dioxide aqueous dispersion, and a lotus leaf-shaped concave-convex effect is formed on the surface of a coating layer, so that the environmental protection coating is excellent in contamination resistance and can effectively reduce dust accumulation at an air inlet of an air purifier, an air conditioner, an air refresher or other air purifying equipment. The graphene dispersion is added into the coating, so that the electrical conductivity of a paint film is improved, and the light pollution and sound pollution which are caused by part of the air purifying equipment are reduced.

The invention relates to coating technical field, especially relating to a wall paint which can have a lotus leaf effect when meeting water after coated and whose surface stain is easy to clean. And it comprises: water 15-24wt%, titanium dioxide 17-23wt%, emulsion 28-40wt%, wax emulsion 1-3wt%, assistant 2.05-10.75wt%, and fillings 0-28wt%. After coated and dry, it can have a water bead effect when water is splashed on its surface, just as water beads are on a lotus leaf, because wax emulsion has very good hydrophobic property, which also makes the stain on its surface is easy to clean, thus keeping the surface clean.