106results about How to "Improve anti-icing performance" patented technology

The invention relates to the field of preparation of superhydrophobic coatings, in particular to a preparation method of a persistent icing-resistant superhydrophobic coating. The preparation method comprises the following steps: firstly, carrying out cleaning and sand-blasting roughen treatment on the surface of a substrate; secondly, blending epoxy resin, a curing agent and a first solvent to obtain an epoxy resin solution; thirdly, dispersing submicron particles and nanoparticles into a second solvent, and then adding a silane coupling agent to obtain particle composite suspension; fourthly, spraying the epoxy resin solution obtained in the second step on the surface of the substrate treated in the first step, and partially curing epoxy resin adhesive; fifthly, spraying the particle composite suspension obtained in the third step on the surface of the substrate obtained in the fourth step and completely curing; sixthly, obtaining the persistent icing-resistant superhydrophobic coating. The persistent icing-resistant superhydrophobic coating disclosed by the invention has the beneficial effects that the superhydrophobic coatings prepared on the surfaces of all the substrates have good durability and firmness and persistent icing-resistant property.

The invention discloses fluorosilicone modified acrylic resin as well as a preparation method and an application thereof. The fluorine-silicon modified acrylic resin is prepared from the following components: methacrylate monomers, fluorine-containing acrylate monomers, acrylate-based silicone oil, allyl silicone oil, a polymerized active silane coupling agent, methacrylic acid, hydroxyl-containing active crosslinking monomers, glycidyl methacrylate, trimethylolpropane trimethacrylate, an initiator, a chain transfer agent and a solvent. The fluorine-containing acrylate monomer is composed of aC2-C3 short-chain fluorine-containing alkyl acrylate monomer and a C10-C12 long-chain fluorine-containing alkyl acrylate monomer. The fluorine-silicon modified acrylic resin prepared by the inventionhas the characteristic of high low viscosity, is convenient to construct and use, and reduces the generation of VOC. The coating prepared from the modified acrylic resin has the characteristics of high impact-resistant self-repairing function, icing prevention, low surface energy, hydrophobicity, oleophobicity, stain resistance, high and low temperature resistance and the like.

The invention discloses a construction process of a cement emulsified asphalt mortar penetrating semi-rigid road surface. The construction process comprises the following steps that 1, a cement emulsified asphalt mortar penetrating main structure is formed; 2, a main structure road surface is subjected to roughening treatment; 3, an adhesive layer is laid; 4, an anti-skid wear-resistant layer is laid; 5, an anti-icing layer is coated; 6, heat curing is performed; and 7, traffic is opened/initial maintenance is performed. In the main structure of the construction process of the cement emulsified asphalt mortar penetrating semi-rigid road surface, the cement emulsified asphalt mortar penetrating semi-rigid road surface has high compressive strength and shearing strength, and the bearing capacity and the high temperature stability of the road surface are greatly improved; and meanwhile, the surface performance of the road surface is further optimized by a wear-resistant and anti-icing structure of the surface layer of the road surface, and the wear-resistance and anti-icing performance are enhanced.

The invention relates to the field of preparation of super-hydrophobic or super-amphiphobic coatings, in particular relates to a preparation method of a sustainable anti-icing super-amphiphobic coating. The method comprises the following steps: 1, cleaning a substrate surface and carrying out sand-blasting roughening treatment; 2, blending epoxy resins, epoxy resin curing agents and a first solvent to obtain an epoxy resin solution; 3, dispersing submicron particles and nanoparticles into a second solvent, and then adding fluoroalkyl silane to obtain particle composite suspension liquid; 4, spraying substrate surface subjected to the treatment in step 1 with the epoxy resin solution obtained in step 2, and carrying out semi-curing on the epoxy resin adhesive; 5, spraying the substrate surface subjected to the treatment in step 4 with the particle composite suspension liquid obtained in step 3, and carrying out complete curing; 6, obtaining the sustainable anti-icing super-amphiphobic coating. The method has the advantages that the super-amphiphobic coating prepared on all substrate surfaces has good durability and fastness, and has sustainable anti-icing performance.

The present invention relates to a core-shell anti-ice-freezing modifier, a method for producing the same, and an anti-ice-freezing coating material comprising the same. The core-shell anti-ice-freezing modifier comprises a core and a shell layer, wherein the core is water-soluble metal salt particles; the shell layer is formed of oxide particles and coats the core. The thickness of the shell layer is 10 nm or more. The anti-ice-freezing modifier disclosed by the invention is easy to construct. When used for the anti-ice-freezing coating, an anti-ice-freezing coating layer formed by the anti-ice-freezing coating has excellent anti-ice-freezing property, hydrophobicity, slow release property and long service life.

The invention belongs to the technical field of polymer gel materials, and provides a composition for polymer gel, gel prepared from the composition and application of the gel. The composition comprises a polymer compound, a first solvent and a second solvent, wherein the polymer compound comprises but is not limited to at least one of the following substances: a polymer with a hydrogen bond effect, a polymer with a hydrophobic effect and a charged polyelectrolyte; in the first solvent, the non-covalent interaction in/among the high-molecular compounds is in a weakening shielding state; in thesecond solvent, the non-covalent interaction between the polymer compounds is activated and enhanced. The polymer gel prepared by the invention has high transparency, excellent mechanical properties,swelling resistance and icing resistance.

The invention relates to a preparation method of an aluminum alloy bionic anti-icing surface. By means of enlightening of the surface hydrophobic self-cleaning characteristic of natural organisms, a laser processing and anodic oxidizing method is adopted, and the super hydrophobic surface with a bionic micro cylindrical array structure is prepared. According to the method, firstly a laser ablationprocessing process is adopted, the purpose is to design and change the morphology of the aluminum alloy surface, and the regular micro cylindrical array structure is prepared; and the aluminum alloysurface of the micro cylindrical array structure is dipped into electrolyte to be subjected to anodic oxidizing treatment, the aluminum alloy surface is made to form an oxidization layer with low surface energy, and therefore the super hydrophobic characteristic is acquired. The preparation method of the bionic and super hydrophobic aluminum alloy anti-icing surface is easy to operate, controllable in experiment parameter and low in cost, the method can be used for manufacturing surfaces with the super hydrophobic performance in batches, and the prepared surface has good anti-icing performanceand good mechanical stability.

The invention relates to the technical field of material surface engineering, in particular to a super-hydrophobic anti-fouling anti-icing water-based paint which comprises the following components in parts by weight: 10-15 parts of fluoride-grafted nano silicon dioxide on the surface, 40-60 parts of perfluorodecyltrimethoxysilane, 10-20 parts of carbon microspheres, 5-8 parts of modified graphene, 30-40 parts of binder and 100-150 parts of solvent. According to the super-hydrophobic anti-fouling anti-icing water-based paint, the super-hydrophobic material and the near-infrared photothermal material are added, so that the super-hydrophobic anti-fouling anti-icing water-based paint has the dual effects of super-hydrophobicity and photothermal deicing, and the near-infrared photothermal material is modified graphene which is a compound of graphene and CdS; and the super-hydrophobic material is very beneficial to formation of a rough micro-nano structure on the surface of the coating, so that the coating can obtain a larger static contact angle and a smaller rolling angle, the icing time of water drops on the surface of the coating is further prolonged, and a better anti-icing effect is achieved.

The invention discloses an anti-corrosion anti-icing and wear-resistant super-hydrophobic coating and a preparation method thereof, and belongs to the technical field of metal protection materials, and the preparation method comprises the following steps: preparation of modified nano SiO2 particles, preparation of TPU/DMF film forming liquid, pretreatment of base material film coating, and preparation of the anti-corrosion, anti-icing and wear-resistant super-hydrophobic coating. The prepared coating has excellent hydrophobicity, corrosion resistance, icing resistance and wear resistance, the safety risk of equipment and components is effectively reduced, and the service life is prolonged; the preparation method is simple, can realize industrial production, and has a good market prospect.

The invention discloses machining equipment used for an impeller with the super-hydrophobic surface and the impeller manufactured by the machining equipment. The machining equipment comprises a fixingsupport used for clamping the impeller, driving equipment used for driving the impeller to rotate, laser etching equipment used for machining the super-hydrophobic surface on the surface of the impeller, a dust suction device used for sucking dust particles, and a controller used for controlling the whole machining process. The driving equipment is mounted on the fixing support; the laser etchingequipment is mounted on the driving equipment; a dust suction opening of the dust suction device is aligned with a working area of the fixing support; and the control end of the driving equipment, the control end of the laser etching equipment and the control end of the dust suction device are electrically connected with corresponding pins of the controller. The impeller comprises an impeller body. The impeller body comprises an impeller front cover plate, an impeller rear cover plate and a plurality of impeller blades. A plurality of grooves used for improving the surface lubricating characteristic of the impeller blades are etched in the surfaces of the impeller blades. The machining equipment has the beneficial effects that manual disturbance is avoided, detaching is convenient, and the viscous resistance and hydraulic loss of the impeller are reduced.

The invention relates to a long-acting slow-release black anti-freezing modifier for an asphalt pavement and a preparation method thereof. The black anti-freezing modifier includes salt storage particles including a metal salt and an adsorptive substance, and a coating material existing on the surface of the salt storage particles, wherein the coating material includes an asphalt material and an elastomer. The black anti-icing modifier is suitable for climate characteristics of various places in China, and has an excellent anti-icing property, slow release property and durability, so that theproblem of pavement reflection caused by salt precipitation and white exposure can be avoided even if the black anti-icing modifier is not uniformly mixed with an asphalt mixture or the formed anti-icing pavement is used for a long time.

The invention discloses anti-icing paint and a preparation method thereof. The anti-icing paint comprises, based on 100% by mass, 30%-50% of organic silicon resin, 5%-30% of fluorine-containing micropowder and additives. By organically combining low surface energy with the organic silicon resin and the fluorine-containing micro powder, surface energy of the paint is reduced synergistically, strength and wear resistance of the paint are enhanced, hydrophobicity of the paint is increased, anti-icing property of the paint is enhanced, icing hazards caused by icing formed on base surfaces in sleet, low-temperature environments and the like can be avoided, and the anti-icing paint can be applied to the fields of power grid facilities including power transmission lines of power grids, power grid towers, optical communication cables, power grid insulators and the like.

The invention discloses an ice-condensation-resistant asphalt mixture. The composite material comprises the following components in parts by weight: 150 to 250 parts of aggregate, 50 to 80 parts of mineral powder, 10 to 20 parts of calcium sulfate, 60 to 100 parts of an asphalt matrix, 20 to 30 parts of magnesium chloride, 8 to 15 parts of ethylene glycol, 2 to 6 parts of a silane coupling agent,2 to 6 parts of terpene resin, 3 to 8 parts of zeolite, 6 to 13 parts of diatomite, 1 to 3 parts of polypropylene fiber, 1 to 3 parts of dimethyl silicon oil, 2 to 6 parts of maleic anhydride and 1 to3 parts of a corrosion inhibitor. The ice-condensation-resistant asphalt mixture provided by the invention has the following advantages: the aggregate and the mineral powder have good adhesion to asphalt; high-temperature stability is good; meanwhile, ice condensation resistance is good, so the freezing point of pavements in winter can be effectively reduced; the effect of slow release is achieved, so the ice condensation resistance has certain long-lasting durability; in addition, the ice-condensation-resistant asphalt mixture has high-temperature performance, low-temperature performance, water stability and pavement performance.

The invention relates to a special pressure transmitter for a water pump. The special pressure transmitter for the water pump comprises a base, a buffering sheet, foam cotton, a steel wire, an O-shaped seal ring, a sensor, a shell, a circuit board, a silicone wire, a Hirschmann joint, an air guide tube and an insulation sleeve, wherein a groove used for accommodating the O-shaped seal ring is formed in the outer circle of the sensor; the O-shaped seal ring is clamped with the sensor via the groove; a metal tube is arranged at the top of the sensor; the air guide tube is in inserted connection with the metal tube; a cavity with an open top is formed in the base; the sensor is arranged inside the cavity; the buffering sheet is arranged between the bottom of the cavity of the base and the bottom of the sensor; the foam cotton is arranged between the buffering sheet and the bottom of the sensor; the buffering sheet is clamped with the foam cotton via the steel wire; the circuit board is fixedly arranged in the insulation sleeve; the insulation sleeve is fixedly arranged in the shell; the circuit board is connected to the Hirschmann joint via the silicone wire; the top of the base is connected to one end of the shell; the other end of the shell is connected to the Hirschmann joint.

A super-hydrophobic anti-icing aviation aluminum alloy surface with ultralow ice adhesion is composed of a multi-stage micro-nano structure, the micro-nano structure is based on a three-dimensional micron cone structure periodically distributed on the surface of an aluminum alloy base material, and densely-growing nanosheets and nano flower clusters composed of the nanosheets are distributed on the surface of a micron cone; and one or two of submicron spheres and submicron flowers are dispersed and distributed on the surface of the micron cone or between the micron cones. The invention furtherdiscloses a production method of the surface, the surface is formed by combining ultrafast laser ablation and a wet chemical method and then carrying out low-free-energy surface chemical modification, and large-area efficient production can be achieved. The aviation aluminum alloy anti-icing surface has extremely low ice adhesion, adhesion strength between ice and the surface can be as low as 6 kPa, and the ice can automatically fall off under the action of self gravity or slight vibration. The surface structure can be widely applied to anti-icing fields of aviation key components, ships, ground transportation tools, refrigerators, air conditioners and the like.

The present invention discloses a non-successional wettability modifying based bionic anti-icing surface which is characterized in that the surface of a material are regularly coated with a plurality of dewatering coatings with different wettability with that of the material, so that the non-successional wettability distribution of the surface of the material can be obtained; in the present invention, a single wettability characteristic of the surface of the material is changed, so that the surface of the material has different dewatering performances and an active anti-icing performance, the adhesion amount of water on the surface of the material is reduced, the icing time is delayed, and the icing freezing intensity is recued; due to dewatering effects of the different dewatering layers, condensate water has different freezing icing time to form discontinuous and non-successional freezing interfaces among the dewatering layers, the freezing adhesion stability between ice and the materials is broken, and the adhesion strength of the ice on the material is reduced. In the present invention, the adhesion amount of the water on the surface of the material is reduced, the icing time is delayed, at the same time, the ability of inhibiting icing and reducing adhesion strength is achieved, and active ice preventing and removing effects are realized.

The invention provides an anti-icing material with electrothermal photothermal conversion capability and wear-resistant and super-hydrophobic multiple properties as well as a preparation method and application of the anti-icing material, and relates to the technical field of functional coating materials. The anti-icing material with the electrothermal photo-thermal conversion capability and the wear-resistant and super-hydrophobic multiple properties comprises an insulating layer and an electrothermal photo-thermal super-hydrophobic coating which are sequentially arranged on the surface of a base material layer from bottom to top; parallel electrodes are arranged between the insulating layer and the electrothermal photo-thermal super-hydrophobic coating; the electrothermal photo-thermal super-hydrophobic coating is obtained by curing raw materials including a fluorinated graft polymer matrix, nano conductive particles, nano photo-thermal particles, nano hydrophobic particles, a fluorine ammonium salt curing agent and an organic solvent. According to the anti-icing material provided by the invention, a single material simultaneously has multiple properties of electric heating, photo-thermal conversion capability, wear resistance and super hydrophobicity, multiple anti-icing and de-icing modes are combined, anti-icing and energy saving can be effectively realized, and the anti-icing material can be applied to the anti-icing and de-icing fields of fan blades, aircrafts and the like.