531results about How to "Increase repulsion" patented technology

The present invention provides coatings that provide improved repellency for certain foreign substances, such as low viscosity liquid stainants, and reduced adhesion against other foreign materials, such as high viscosity liquids and slurries. In one embodiment, the present invention provides a coated flooring substrate, comprising a flooring substrate and a coating on the flooring substrate, wherein the coating comprises a cured resin and a low surface energy additive having a fluorocarbon or silicone functional group, in which the cured resin and the low surface energy additive each comprise a cured form of a substantially similar reactive group. The present invention also provides coating mixtures from which any of the coatings of the present invention may be made. The present invention also provides methods for making coating flooring substrates, including sheet flooring and floor tiles, having coatings made according to the present invention.

A golf club head of the invention includes a head body formed by a hollow member, and a face member for forming a face. The face in which a thick-walled portion and a thin-walled portion are formed by forging a metal plate subjected to rolling.

The invention discloses high-toughness concrete and a preparation method thereof. The formula of the high-toughness concrete comprises 0.2-0.5kg/<m>3 of modified graphene, 150-175kg/<m>3 of water, 395-415kg/<m>3 of cement, 45-60kg/<m>3 of coal ash, 20-35kg/<m>3 of slag powder, 1000-1100 kg/<m>3 of broken stone, 600-700 kg/<m>3 of fine aggregate and 4.5-7 kg/<m>3 of a water reducing agent, wherein the modified graphene is water-soluble grapheme of which the surface has hydroxide radicals; the content of the hydroxide radicals is 0.005-0.012 percent. When the modified grapheme is used for preparing high-toughness concrete, first, the modified grapheme can be dissolved in water to form a graphene water solution; then, the graphene water solution and other concrete preparation materials are uniformly mixed, novel high-toughness concrete obtained after curing can show obvious strain hardening or deformation hardening characteristic under the action of direct tensile load or bending load, and can be applied to bridge floors of high-speed rail viaducts and long-span sea-crossing and river-crossing bridges, and various tunnel arches such as subways. The high-toughness concrete is high in technological content and has relatively good application prospect.

An objective of the present invention is to provide a golf ball striking a balance between the flight distance on the driver shots and the approach performance on the approach shots and having the excellent shot feeling and durability. The present invention provides a golf ball comprising a core consisting of a center and a surrounding layer covering the center; at least one intermediate layer covering the core; and a cover covering the intermediate layer; wherein at least one piece or one layer of the intermediate layer is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic resin having a flexural modulus in a range from 700 MPa to 5,000 MPa and (B) an ionomer resin having a flexural modulus in a range from 150 MPa to 1,000 MPa in a content ratio ((A)/(B)) of (A) the highly elastic resin to (B) the ionomer resin (B) being (20 mass % to 80 mass %)/(80 mass % to 20 mass %) (the total is 100 mass %), and wherein a surface hardness (Hm) of the intermediate layer and a surface hardness (Hs) of the core satisfy the equation: Hm≧Hs, and the cover has a slab hardness (Hc) of 45 or less in Shore D hardness.

The invention provides an ultra-high molecular weight polyethylene composition. The ultra-high molecular weight polyethylene composition comprises silicon carbide, modified graphene and ultra-high molecular weight polyethylene, wherein the modified graphene is hyperbranched polyethylene grafted graphene. The material prepared from the composition simultaneously has relatively high cutting resistance and very strong tensile strength.

The invention relates to 'repulsive magnetic component, full permanent magnetic and full suspending bearing and compound wind power photovoltaic power system', in particular to a magnetic bearing and a wind power system, wherein, the repulsive magnetic component is arranged on a vertical main shaft. The invention is characterized in that the wind power system comprises an upper repulsive body and a lower repulsive body which are formed by homopolar ring permanent magnets; the upper repulsive body is formed by a piece of hollow ring permanent magnet while the lower repulsive body is formed by a piece of inner ring permanent magnet and a piece of outer ring permanent magnet arranged in a certain radial distance from the inner ring permanent magnet; the hollow ring permanent magnet is positioned in the effective magnetic range of the magnetic force of the two pieces of permanent magnets forming the lower repulsive body. By adopting the full permanent and full suspending bearing of the repulsive magnetic component, and arranging a pull-push magnet component at the upper end of a spiral body of a vertical shaft wind turbine and the repulsive magnetic component at the lower end of the spiral body, the full magnetic and full suspending support of the main shaft or a vertical shaft impeller can be realized, thus eliminating all friction of the spiral body of the wind turbine.

The present invention provides a method of preparing an aqueous dispersion of poly(perfluorovinyl ether) homopolymers. The present invention further relates to a method of making an aqueous fluoropolymer dispersion comprising bicomponent particles of poly(perfluorovinyl ether) homopolymers and a second fluoropolymer. The dispersions of the present invention may be used for rendering fibrous substrates oil repellent, water repellent and/or stain repellent without altering the looks and feel of the substrate.

It is intended to provide an air purification filter which has a high dry tensile strength, a high wet tensile strength in association with a high water resistance and a high water repellency and exhibits a bactericidal effect due to a gas phase reaction in a gas phase. Namely, an air purification filter having a high dry tensile strength, a high wet tensile strength (a high water resistance) and a high water repellency as well as a bactericidal effect which is obtained by blending a filter fiber having a functional group with a mixture of a modification enzyme which has an ionic polarity opposite to the ionic polarity of the whole filter fiber as described above and a bactericidal effect with an ionic synthetic resin binder having the opposite ionic polarity similar to the modification enzyme.

The present invention provides a stretchable film including: a cured product of a composition which contains (A) a poly(meth)acrylate compound having a polymerizable double bond and a siloxane bond, (B) a (meth)acrylate compound having a urethane bond, and (C) an organic solvent having a boiling point in the range of 115 to 200° C. at atmospheric pressure; wherein the component (A) is localized in the direction of the surface of the film. The stretchable film of the present invention is excellent in stretchability and strength as well as repellency on the film surface.

Disclosed and claimed is a method for improving the froth quality and bitumen recovery in primary bitumen extraction processes by coagulant addition in the underwash feed water. Preferred coagulants are cationic or amphoteric polymers. Coagulant addition in the underwash feed water reduces the solids content reporting to the primary bitumen froth in a primary separation vessel (PSC). This treatment program can also be combined with dispersant addition in the dilution make-up feed water into a PSC. Preferred dispersants are low molecular weight anionic polymers.

A rotating electric machine whose output characteristics can be easily and freely adjusted and varied even in operation. The rotating electric machine is received in a housing of an electrically driven two-wheeled vehicle. A rotating shaft is connected to a rotor so as to form an axle. A stator is positioned opposite a rotor. A movable member is connected to a rotating member rotated about the rotating shaft by a regulating motor. The movable member is moved in the axial direction of the rotating shaft by the rotation of the rotating member. This movement causes the rotor to be rotatingly moved in the axial direction o the rotating shaft, changing relative position of the rotor and the stator.

The invention provides a method of using a composite extracting agent for extraction and refining of phosphoric acid prepared through a wet process. The method successively comprises the procedures of pretreatment, extraction and refining and post-treatment, wherein in the procedure of pretreatment, the content of solid in extracted raw acid obtained after condensation, defluorination, sedimentation, decolouring and filtration is less than 0.05 wt%, in the procedure of extraction and refining, a composite extracting agent is used for countercurrent contact extraction and comprises ketone ether, alcohol and ester, the weight ratio of ketone ether to alcohol to ester is 60-80: 15-20: 5-15, the ketone ether comprises ketone and ether and the weight ratio of ketone to ether is 95-60: 5-40, and in the procedure of post-treatment, condensation, decolouring, desulphurization, condensation and filtration are carried out so as to obtain the product of 85% industrial phosphoric acid. The invention has the advantages of low requirements to extracted raw acid, low production cost, a good extraction effect and capability of producing more products of industrial phosphoric acid.

The invention provides a poly N-vinyl pyrrolidone-contained amphiphilic copolymer grafted by natural high polymer or water-solubility derivative thereof and a preparation method thereof, and a complexof the copolymer and iodin. After natural high polymer or the water-solubility derivative thereof is dissolved, an initiating agent is added to initiate grafting copolymerization; hydrophilic monomercontaining poly N-vinyl pyrrolidone is added to be polymerized into hydrophilic chain segments, and meanwhile, hydrophobic monomer is added to carry out grafting copolymerization, and then an amphiphilic grafting copolymer derivative containing the polyvinyl pyrrolidone chain segments of natural high polymer or water-solubility derivative thereof, is obtained. The derivative keeps high biologicalactivity and degradability of the natural high polymer or water-solubility derivative thereof and good fixing effect of polyvinyl pyrrolidone having good complexing performance to iodin, and meanwhile, an amphiphilic structure gives the good hydrophobic association and surface activity to the derivative; moreover, the complexing effect of the polyvinyl pyrrolidone chain segments and iodin in thecopolymer is further enhanced.

A low dislocation density GaN single crystal substrate is made by forming a seed mask having parallel stripes regularly and periodically aligning on an undersubstrate, growing a GaN crystal on a facet-growth condition, forming repetitions of parallel facet hills and facet valleys rooted upon the mask stripes, maintaining the facet hills and facet valleys, producing voluminous defect accumulating regions (H) accompanying the valleys, yielding low dislocation single crystal regions (Z) following the facets, making C-plane growth regions (Y) following flat tops between the facets, gathering dislocations on the facets into the valleys by the action of the growing facets, reducing dislocations in the low dislocation single crystal regions (Z) and the C-plane growth regions (Y), and accumulating the dislocations in cores (S) or interfaces (K) of the voluminous defect accumulating regions (H).

The invention discloses a preparation method of a carbon nanofiber supported orderly-arranged reduced graphene oxide (RGO) electrode material. The preparation method comprises the following steps: preparing graphene oxide from flake graphite by a Hummer method, performing surface modification on the graphene oxide by ionic liquid to obtain ionic liquid surface-modified graphene oxide, adding a polymer into a solvent, and stirred strongly under the action of ultrasonic waves to form an electrostatic spinning solution; and performing electrostatic spinning on the electrostatic spinning solution,and performing heat treatment on graphene oxide-polymer electrostatic spinning fibers obtained on an electrostatic spinning receiver to obtain a composite material in which RGO is arranged verticallyand orderly on the surfaces of the carbon nanofibers in an embedded manner. The preparation method has the advantages of reasonable process and stable performance, can prevent RGO agglomeration, increase the specific surface area and increase the charge storage density and charge transfer rate, is taken as an electrode of a high-capacity power supercapacitor, and can be up to 99.5 to 99.7 percentin charging and discharging efficiency.

The liquid repellent structure includes a support, and a honeycomb-patterned film and a coating film on the honeycomb-patterned film or a liquid repellent film. The method of producing the structure applies a solution of an organic compound in an organic solvent onto the support, places the support in an atmosphere containing water vapor to form water droplets on a surface of the solution film, evaporates the organic solvent and the droplets to form the honeycomb-patterned film, and forms the coating film made of a fluorine-containing material on a surface of the honeycomb-patterned film or etches the honeycomb-patterned film to form a second honeycomb-patterned film. The liquid ejection head includes an ejection substrate having the liquid repellent structure. The protective film includes a support base and the liquid repellent structure.

The invention relates to a controlled electric field effect charge-discharge sodium ion battery and a rapid charge-discharge method of the controlled electric field effect charge-discharge sodium ion battery. The controlled electric field effect charge-discharge sodium-ion battery comprises a positive pole collector plate, positive pole material, a negative pole collector plate, negative pole material, a micropore diaphragm and an electrolyte. The positive pole material and the negative pole material are arranged on the two sides of the micropore diaphragm respectively, the positive pole material and the negative pole material are arranged in the electrolyte, and the positive pole material and the negative pole material are connected with a positive pole and a negative pole of the battery through the positive pole collector plate and the negative pole collector plate respectively. The controlled electric field effect charge-discharge sodium-ion battery is characterized in that an electric field pole plate is arranged on the outer side of at least one of the positive pole collector plate and the negative pole collector plate, and the electric field pole plate is an electric field electrode plate film wrapped by an insulation film. The difficult problems in sodium ion research are solved, therefore, the diffusion rate of sodium ions and coulombic efficiency of the battery are improved obviously, and meanwhile the phenomenon of sodium dendritic growth is eliminated. Electrical conductivity and low-temperature characteristics inside the battery are further effectively improved, so that discharge is maintained at a high electric potential level for a long time.