37results about How to "Excellent hydrophobic function" patented technology

The invention discloses a method for preparing hydrophobic wood, relates to a method for modifying wood, and solves the problems that a modifier has high toxicity and peculiar smell and changes wood color, the treatment process is complex and only single performance of the wood can be improved in the conventional wood modification method. The method comprises the following steps of: mixing a fluorine-containing polymerizable monomer, an unsaturated monomer and an initiator to prepare impregnation liquid; adding the wood and the impregnation liquid into a reaction tank, vacuumizing, performing pressure treatment so as to inject the impregnation liquid into a pore structure of the wood, coating a test piece and ageing at room temperature and constant pressure; and heating and performing vacuum drying to prepare the hydrophobic wood. The method is simple, the wood color is not changed, peculiar smell is absent, the parallel-to-grain compressive strength is 70 to 98 MPa, the expansion resistance rate after the wood is continuously soaked in water for 200 hours is 48 to 65 percent, the weight loss ratio after 12 weeks of fungi erosion is 6 to 13 percent, the water contact angle is more than 130 degrees, and the wood can be widely used as indoor and outdoor structural materials and decorative materials.

The invention discloses a transparent energy-saving lyophobic film used for civil aircraft porthole glass and a preparation method thereof. An organic glass substrate involved in the transparent energy-saving hydrophobic film used for the civil aircraft porthole glass comprises a surface A and a surface B. Different transparent film bodies are arranged on the surface A and the surface B. A transparent energy-saving conductive film system is arranged on the surface A, and a transparent hydrophobic film system is arranged on the surface B. The energy-saving film system comprises an isolation layer, an energy-saving functional layer and a protective layer sequentially from inside to outside in the organic glass substrate. The hydrophobic film system comprises an attaching layer and a hydrophobic functional layer sequentially from inside to outside in the organic glass substrate. The inner side of the transparent energy-saving hydrophobic film can achieve the infrared reflecting and energy saving function, the outer side of the transparent energy-saving hydrophobic film can achieve the hydrophobic, oleophobic and anti-dirt functions, the film layers on the two sides are coordinated in function, the effects of high light transparency and excellent energy conservation are achieved, the film layers are high in corrosion resistance and weather resistance, the production process is simple and can be autonomously controlled, and the technological process can be adjusted according to performance parameter requirements.

The invention provides environment-friendly anticorrosive paint and a preparation method thereof. The environment-friendly anticorrosive paint comprises a main agent and a curing agent. The main agent is prepared from, by weight of 100 parts, 39-50 parts of low-viscosity solvent-free epoxy resin, 4-8 parts of diluents, 5-15 parts of toughening resin, 0.5-15 parts of toner, 10-40 parts of filler, 5-15 parts of low-viscosity epoxy ester resin and 0.5-1.5 parts of a thixotropic agent. The curing agent is modified amine resin.

The invention relates to the technical field of building materials and particularly relates to super-hydrophobic artificial marble which is composed of following components, by weight: 100 parts of unsaturated polyester resin, 0.5-2 parts of a peroxide-type initiator, 0.1-2 parts of an accelerant, 5-30 parts of vinyl-type resin diluent, 5-30 parts of polyvinyl-type resin assistant crosslinker, 100-500 parts of ore slag micro powder, 10-30 parts of a flame retardant, and 3-15 parts of polyfluoro-modified bisphenol A epoxy acrylate polymer. In the invention, the polyfluoro-modified bisphenol A epoxy acrylate polymer, which has a super-hydrophobic function, is employed as a hydrophobic additive to prepare the artificial marble, so that the artificial marble is excellent in hydrophobic performance. A contact angle between the surface of the super-hydrophobic artificial marble and water is 150-170 degrees so that the surface of the super-hydrophobic artificial marble has an excellent self-cleaning function. In addition, the marble in deep color series is high in strength, is good in waterproof performance and is strong in corrosion resistance.

The invention relates to the technical field of solid waste resource utilization, and particularly discloses a foam geopolymer adsorption material as well as a preparation method and application thereof. The preparation method of the foam geopolymer adsorption material comprises the following process steps: a, mixing fly ash, blast furnace slag and activated carbon according to a mass ratio to obtain a mixed dry material, adding the mixed dry material into an exciting agent, and stirring the mixture to obtain a stirred slurry; b, adding hydrogen peroxide and a lauryl sodium sulfate solution into the mixed slurry, stirring and mixing the mixture, adding the mixture into a mold, and sealing and curing the mixture to obtain an initial module; c, immersing the initial module into a modifier for ultrasonic impregnation, taking out and drying the initial module to obtain the foam geopolymer adsorption material. According to the preparation method of the foam geopolymer adsorption material provided by the invention, the foam geopolymer with high through holes and good hydrophobic performance can be obtained. The foam geopolymer has an efficient adsorption effect on various pollutants such as heavy metals and oil stains, and has an extremely high application prospect in the field of water pollution control.

The invention discloses a hydrophobization fuel cell expanded graphite flow field and a manufacturing method thereof. The hydrophobization fuel cell expanded graphite flow field is manufactured by a porous expanded graphite material, and is characterized in that holes of the expanded graphite material are provided with hydrophobic fillers, and the upper surfaces of the hydrophobic fillers and the surface of the expanded graphite material are arranged on the same horizontal plane. The hydrophobization fuel cell expanded graphite flow field disclosed by the invention is manufactured simply, has a hydrophobization function, prompts drainage of liquid water during running of a cell and prevents MEA (Membrane Electrode Assembly) from being flooded during the running of the cell; and by utilizing the hydrophobization fuel cell expanded graphite flow field manufactured by the method disclosed by the invention, water management pressure can be effectively reduced and utilization ratio of reaction gas is improved during the running of the fuel cell.

The invention relates to the technical field of plant cultivation, in particular to a method for intercropping lemons and high-oleic peanuts. The method for intercropping the lemons and the high-oleicpeanuts comprises the steps of (1) selecting a land, applying a base fertilizer and ridging; (2) planting the lemons and sowing the high-oleic peanuts; (3) performing field management including fertilizer and water management and fruiting period management; (4) harvesting fruits when more than 85% of legumes of the high oleic peanuts are full and ripe, the lemons are in long-round shapes, and thepericarp of the lemons is bright. The method adopts furrow and ridge tillage and adds microbial agents and peanut shells to prepare decomposed organic fertilizers, the yield and quality of the lemonsand the high-oleic peanuts are ensured, and meanwhile, economic benefits and land utilization are improved.

A special hydrophobic coating for an aluminum strip is a coating coated on a metal plate. The special hydrophobic coating is produced by adopting a routine production technology of coatings, and is characterized in that the special hydrophobic coating comprises 25-35wt% of a water-soluble acrylic resin, 5-15wt% of amino resin for coatings, 1-4wt% of water-soluble epoxy resin, 0.5-2.0wt% of water-soluble silicone oil, 0.5-1.5wt% of dimethyl ethanolamine, 0.5-1.5wt% of ethylene glycol monobutylether, 0.1-0.4wt% of dinonylnaphthalenedisulphonic acid, 0.3-0.8wt% of NP-40 polyoxyethylene nonyl phenyl ether, and the balance purified water. The surface of the aluminum strip is coated with the coating obtained in the invention through a roller coating technology to form the hydrophobic aluminum strip, and use and examination results show that compared with common aluminum strips in the prior art, the coated aluminum strip obtained in the invention has a good hydrophobic function, the contact angle of water drops on the surface of the aluminum strip is 155-165DEG, and the water drops do not adhere with each other, and highly likely tumble; and the hydrophobic aluminum strip can be used in a refrigeration system in order to improve the heat exchange effect, reduce energy consumption and prolong the service life.

The invention discloses a sizing process suitable for moisture-regaining-resistant kraft liner cardboard paper. The method comprises the steps of (1) pretreating corn starch; (2) preparing a sizing agent; (3) conducting sizing, specifically, drying the paper web and then sizing; and (4) carrying out sizing post-treatment. According to the sizing process, polyvinyl alcohol, titanium dioxide and corn starch are mixed to prepare the novel sizing agent, so that the sizing agent has a good hydrophobic function, and meanwhile, chitosan is added, so that the adhesiveness of the sizing agent is improved.

The invention relates to the technical field of water-based paint, in particular to heat-preservation water-based paint capable of being constructed at low temperature and a preparation method of the heat-preservation water-based paint. The heat-preservation water-based paint is prepared from the following raw materials in percentage by weight: 0.2 to 0.6 percent of dispersing agent, 0.1 to 0.4 percent of hydroxyethyl cellulose, 0.1 to 0.4 percent of defoaming agent, 0.2 to 0.5 percent of wetting leveling agent, 1 to 4 percent of anti-freezing agent, 0.8 to 2 percent of coalescing agent, 14 to 18 percent of titanium dioxide, 0.4 to 1.2 percent of fumed silica, 0.7 to 1.7 percent of sericite, 4 to 7 percent of nano coated ceramic microbeads, 1.5 to 6 percent of expanded perlite, 7 to 13 percent of floating beads, 6 to 12 percent of aerogel, 0.3 to 0.7 percent of thickening agent, 0.05 to 0.25 percent of mildew preventive and the balance of water. The coating is prepared from the following components in percentage by weight: 0.05-0.25% of a light stabilizer, 0.2-0.6% of an ultraviolet light absorber, 1.5-4% of a silane coupling agent, 9-14% of deionized water and the balance of hydroxyl acrylic emulsion. The thermal-insulation water-based paint has the advantage that the thermal-insulation water-based paint can be constructed at a low temperature.