36results about How to "Improve oil stain resistance" patented technology

The present invention provides a lubricating oil composition comprising at least one type of base oil selected from mineral oils and synthetic oils, and a succinate ester and a sarcosinic acid as rust prevention agents. The succinate ester content is preferably set at 0.01 to 0.1 wt. %, and the sarcosinic acid content is preferably set at 0.001 to 0.01 wt. %. Further, they are preferably set such that the resulting weight ratio of the succinate ester content and sarcosinic acid content is 1 : 0.01 to 0.7. The lubricating oil composition according to the present invention shows excellent rust prevention properties and a satisfactorily long oxidation lifetime. Further it allows to attain a high level of anti- sludge performance and extreme pressure performance and lubrication performance, even when it is used for example in turbine bearings in combined cycle generators having multiplier gears operated under severe high temperature and high pressure conditions.

The invention belongs to the technical field of silk textile manufacturing, and particularly relates to an oil-proof stain-proof practical silk fabric. The oil-proof stain-proof practical silk fabriccomprises the following components required for production in parts by weight: 30 parts of silk, 60 parts of houttuyniae herba, 30 parts of nano-silver, 30 parts of quaternary ammonium salt, 60 partsof folium nelumbinis, 10 parts of oil-proof agent, 50 parts of flax, 10 parts of wax oil, 30 parts of bamboo fibers, 10 parts of carbon fibers, 30 parts of sodium metaaluminate solution, 30 parts of carbon dioxide gas, 10 parts of phosphate buffer solution, 12 parts of superconducting glass fibers, 12 parts of hollow glass fibers, 14 parts of methylbenzene, 4 parts of ethylene glycol monobutyl ether phosphate sodium salt and 6 parts of dodecyl polyoxyrthylene ether phosphate sodium salt. The silk fabric disclosed by the invention is not liable to stain with oil stain in an oil stain environment; even though under the strong sunshine condition and under the condition of contact with the external environment for long time, the fabric also cannot have phenomena of aging, color fading and stain accumulation; and meanwhile, the silk fabric eliminates discomfort generated for a human body by static electricity.

The invention discloses an anti-fouling dining table board, in particular to the field of dining table boards, comprising a bottom plate, a leakage mechanism is arranged at the bottom of the bottom plate; A plurality of leakage openings are arranged on the surface of the groove, and connecting rods are arranged in the interior of the plurality of sealing plates. One end of the adjusting rod is fixedly provided with a pressing block, the bottom of the adjusting rod is fixedly provided with a lower pressing block, the bottom of the lower pressing block is fixedly provided with a spring, and the bottom of the spring is provided with a surrounding plate shell. By setting the leakage mechanism, the present invention can effectively collect the spilled soup or beverage, and it is convenient to use the cleaning agent and water to mix the bottom plate to scrub the bottom plate, and then press the button to guide the cleaned sewage to the receiving material. Inside the shell, the overall cleaning convenience is improved, and it is difficult to clean with water during cleaning.

The invention discloses a self-floating portable black phosphorus-based light-to-heat steam conversion material and a preparation method thereof. The material uses black phosphorus as a light-to-heat conversion matrix, and makes it self-float on the water surface by improving hydrophobicity, thereby realizing interface light-to-heat steam Conversion; its preparation method: the black phosphorus powder is made into a uniform dispersion liquid by ultrasonic stirring process, then adding hydrophobic agent and crosslinking agent in turn, vacuum filtration, washing with acetone several times to remove impurities, and drying in a vacuum oven to obtain the functional material . The material is easy to manufacture, has a simple process, and is portable. The light-to-heat conversion is concentrated on the interface, which can make full use of solar energy and realize efficient seawater desalination. It can be directly applied to large-scale industrial production and market promotion.

The application discloses a UV-curable vacuum coating wrinkle primer and a preparation method thereof, which comprises the following components in parts by weight: 15-25 parts of bisphenol A epoxy acrylate; 8-12 parts of aliphatic polyurethane diacrylate 6-13 parts of tripropylene glycol diacrylate; 10-18 parts of trimethylolpropane triacrylate; 4-8 parts of acrylic modified alkyd resin; 2-5 parts of photoinitiator; 0.08-0.2 parts of leveling agent parts; solvent 45 to 55 parts. Through the reasonable matching of various components, the cured coating can take into account the advantages of ordinary UV paint such as energy saving, environmental protection, high efficiency, and economy, and has low curing energy and good wrinkle decoration effect.

The invention discloses an anti-corrosion wrapping coating for a threaded manual valve, which belongs to the field of valve anti-corrosion. An anti-corrosion wrapping coating for a threaded manual valve includes a threaded valve. Layers include primer coating, heavy anti-corrosion layer, lotus leaf self-cleaning coating, inner self-cleaning coating, outer waterproof self-cleaning layer, primer coating, heavy anti-corrosion layer, lotus leaf self-cleaning coating, inner self-cleaning coating, outer waterproofing The self-cleaning layer is applied on the surface of threaded valves from left to right in turn, which can improve the waterproofness and oil resistance of the anti-corrosion coating, making the anti-corrosion coating not easy to peel off, and making the corrosion resistance of the valve reach remarkable At the same time, through the use of self-healing materials, the anti-corrosion coating has the ability of self-healing when cracks or holes are first formed, which greatly prolongs the effective time of the anti-corrosion coating and makes the internal threaded valve extended service life.

The invention provides a PVA / ABS (polyvinyl acetate / acrylonitrile-butadiene-styrene) corrosion-resistant, high-tenacity and permanent antistatic composite material and a preparation method thereof. The composite material comprises 10-30 parts of PVA with different polymerization degrees, 50-80 parts of emulsion polymerization ABS, 5-10 parts of compatilizers, 5-8 parts of nano-talcum powder, 5-10 parts of plasticizers, 0.3-0.5 part of antioxidant, 0.5-1 part of lubricants and 0.1-0.5 part of dispersing agents. The corrosion-resistant, high-tenacity and permanent antistatic composite material prepared by the method has high corrosion resistance, excellent resistance to solvents, greasy dirt and other chemicals, high tenacity and permanent antistatic capacity. The shortcomings of poor antistatic effect, short antistatic time, low mechanical strength and the like of common plastics are successfully overcome, and development of safety and corrosion resistance of household appliance industry in use is promoted. Higher requirements of contemporary people for comfort level and safety of household appliances are met.

The invention discloses a multifunctional ultra-thin surface layer material for roads and an application thereof, belonging to the field of road engineering. The surface layer material includes multifunctional composite filler, modified oil-resistant asphalt and mixture, and the multifunctional composite filler is composed of slaked lime, sodium chloride, aluminum hydroxide and mineral powder; the modified oil-resistant asphalt is composed of long Composition of alkyl silicone oil, glycerin and SBS modified asphalt. Compared with the prior art, the road ultra-thin surface layer paved with the multifunctional ultra-thin surface layer material for roads of the present invention has the properties of ultra-thin, anti-skid, noise reduction, ice-melting, flame-retardant, oil-resistant, anti-rutting, etc. Features, it can be used for both new road construction and old road maintenance, and has good promotion and application value.

The invention discloses a balanced high-pressure large-current AC (Alternating Current) servo direct-driven cartridge valve, comprising an AC servo motor, wherein the AC servo motor and a harmonic reducer are connected to a valve sleeve, the output shaft of the AC servo motor is connected with the input shaft of the harmonic reducer, the output shaft of the harmonic reducer is connected with a leading screw by a coupler, the leading screw is provided with a sliding block, the sliding block is connected with a linear displacement sensor, the sliding block is connected with a valve rod, the end of the valve rod is provided with an external thread, a valve core is provided with an internal thread, the valve rod drives the opening and closing of the valve core by internal thread connection, a small end cover is connectedly fixed on a valve seat, and is fixedly connected with a valve core sleeve, a valve sleeve is inserted in the valve seat and fixed in the valve seat by a top end cover, the top end cover is fixed with the valve seat, and the valve seat is installed in a hydraulic system by a plug-in manner, so that the influence of the oil-liquid pressure on the valve is reduced, and the instant hydraulic power of the valve is small. According to the invention, as a closed-loop control servo direct-driven manner is adopted, the valve has the advantages of simple structure, rapid response, accurate control and high linearity.

The invention discloses a water-based graphene coating for aluminum gussets and a preparation method thereof. This water-based graphene coating comprises the following components by mass: 40-60 parts of water-based polycarbonate resin, 20-40 parts of water dispersion emulsion, 0.1-1 part of functionalized graphene, 5-11 parts of filler, 0 parts of pigment ~1.5 parts, wetting agent 0.1~3 parts, rust inhibitor 0.3~2 parts, defoamer 0.1~1 part, thickener 0.2~1 part, dispersant 0.1~0.5 parts, water 3~10 parts. Also disclose the preparation method of this waterborne graphene coating simultaneously. The water-based graphene coating provided by the invention has the advantages of no VOC emission, strong applicability, good oil pollution resistance, excellent water resistance, environmental protection and pollution-free, long anti-corrosion timeliness, etc., and can meet the use requirements of aluminum gusset plate surface coating.