453results about How to "Improve surface wettability" patented technology

Ophthalmically compatible contact lenses include lens bodies configured for placement on a cornea of an animal or human eye. The lens bodies are made of a hydrophilic silicon-containing polymeric material. The lens bodies have oxygen permeabilities, water content, surface wettabilities, flexibilities, and/or designs to be worn by a lens wearer even during sleep. The present lenses can be worn on a daily basis, including overnight, or can be worn for several days, such as about thirty days, without requiring removal or cleaning.

Disclosed herein is an image forming process comprising the steps of applying a first material for improving the wettability of the surface of an intermediate transfer medium to the intermediate transfer medium, applying a second material for lowering the flowability of an ink to the intermediate transfer medium to which the first material has been applied, applying the ink to the intermediate transfer medium, to which the first material and second material have been applied, from an ink-jet recording head to form an image of the ink on the intermediate transfer medium, and transferring the ink image formed to a recording medium.

A method of producing a floor panel (1), including providing a carrier (3) including a thermoplastic material, applying a primer comprising at least one salt, preferably a metal salt, on a first surface of the carrier (3), printing by means of digital printing a first print (10) on said first surface of the carrier (3) with an aqueous pigment ink composition, and applying a protective layer (4) on said first surface of the carrier (3) and applying the carrier (3) on a core (2) and pressing by applying heat and pressure the protective layer (4), the carrier (3) and the core (2) together to form a floor panel (1). Also, a method for forming a decorative substrate.

A developer nozzle is moved from a periphery of a wafer toward the central portion while an exposed substrate held at a spin chuck is being rotated about a vertical axis and while a developing solution is being discharged from the developer nozzle, and this way the developing solution is supplied to the surface of the wafer, the developer nozzle having a slit-like ejection port whose longitudinal direction is oriented to the direction perpendicular to the radial direction of the wafer. The movement speed of the nozzle is higher than a case where a nozzle with a small-diameter circular nozzle is used, and this enables a development time to be reduced. Further, the thickness of a developing solution on a substrate can be reduced, so that the developing solution can be saved.

The invention discloses a PVC (polyvinyl chloride) decorative film surface treating agent and a PVC decorative film treated with the same. The surface treating agent comprises the following components in percentage by weight: 80.0-92.0% of water-based polyurethane emulsion, 2.0-4.0% of flatting agent, 0.5-1.5% of defoaming agent, 0.5-1.0% of hand feeling agent, 4.0-8.0% of curing agent, 0.1-0.3% of scraping inhibitor, 0.3-1.3% of leveling agent and 2.0-10.0% of water. The PVC decorative film treated with the surface treating agent has the advantages of excellent matte performance, scraping resistance, favorable compatibility with other decorating materials, and the like, and feels soft.

It is an object of the present invention to provide an ophthalmic composition, wherein: the ophthalmic composition assures a sufficiently high degree of safety to eyes of the lens wearer; the ophthalmic composition reduces symptoms such as an unpleasant feeling or dryness of the eyes; the ophthalmic composition does not adversely affect a contact lens, such as a change of the size of the contact lens; and the ophthalmic composition advantageously improves a water wettability of surfaces of the contact lens, and the ophthalmic composition for the contact lens is prepared by adding at least one specific amino-sugar derivative to an aqueous medium.

An electronic device comprising: an electronic substrate comprising circuit elements; a double bank well-defining structure disposed over the electronic substrate, the double bank well-defining structure comprising a first layer of insulating material and a second layer of insulating material thereover, the second layer of insulating material having a lower wettability than the first layer of insulating material; and organic semiconductive material disposed in wells defined by the double bank well-defining structure.

A method of manufacturing an electronic device comprises: providing a base comprising circuit elements; forming a double bank well-defining structure over the base, comprising a first layer of insulating material and a second layer of insulating material thereover; and depositing a solution of organic material in the well defined by the double bank structure. The double bank well-defining structure is formed by removing material from the first and second layers in a single processing step to form the well. The first layer is made of a material which is removed at a faster rate than material of the second layer to form an overhanging step structure in which the second layer protrudes out over an edge of the first layer.

An exchange-coupled film includes a seed layer, an antiferromagnetic layer, and a ferromagnetic layer. The seed layer is formed at a thickness that is larger than the critical thickness, and the thickness of the seed layer is then decreased by etching so as to be smaller than or equal to the critical thickness. Thereby, a crystalline phase which extends through the seed layer from the upper surface to the lower surface can be formed, and/or the average size, in a direction parallel to the layer surface, of the crystal grains in the seed layer can be set to be larger than the thickness of the seed layer. Consequently, a large exchange coupling magnetic field Hex can be generated between the antiferromagnetic layer and the ferromagnetic layer.

Process for the assembly of at least two articles made of silicon carbide-based materials by moderately refractory non-reactive brazing, in which the articles are placed in contact with a non-reactive brazing composition, and the assembly formed by the articles and the brazing composition is heated to a brazing temperature that is sufficient to melt the brazing composition in order to form a refractory joint, in which the non-reactive brazing composition is a binary alloy formed, as mass percentages, from 56% to 70% silicon and 44% to 30% yttrium.

A method of manufacturing a porous metal foam having pores of nano size includes: manufacturing a porous polymer foam containing pores of nano size; and coating metal on the porous polymer foam through electroless plating. The present invention provides porous metal foams which contains nano-sized pores and hence, their specific surface area is maximized owing to the regularly-patterned nanoporous structure formed inside.

A hydrophilic electrospinning biological composite stent material used for tissue regeneration and a preparation method and an application thereof are provided. An aqueous solution of Fibrinogen, L-arginine or hydrochloride thereof and a P(LLA-CL) solution are blended and an electrospinning technology is used to prepare the biological composite stent material. The biological composite stent material has an equilibrium contact angle that is less than 55°, is hydrophilic and has a good application prospect in repairing body tissue defects.

A composite metal material includes a carbon-based material in a matrix of a metal-based material. The carbon-based material has a first bonding structure in which an element X bonds to a carbon atom on a surface of a carbon material. The matrix includes an amorphous peripheral phase containing aluminum, nitrogen, and oxygearound the carbon-based material. The element X includes at least one element selected from boron, nitrogen, oxygen, and phosphorus.

A diamine compound is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. The compound is represented by one of the general formulae (Ia) and (Ib). It could be shown that such structures, in particular for a specific choice of the residue B, provide, if e.g. used as orientation layers, a photostable, vertically aligning material with an improved VHR.

Micro-topography of a surface influences cell adhesion and proliferation. To improve adhesion, polyelectrolyte multilayers (PEMs) are built on patterned support layers to increase surface wettability, thereby improving attachment and spreading of the cells. Physical parameters, such as pattern size and pitch, in part, regulate cell adhesion and proliferation. Varying the surface topography provides a method to influence cell attachment and proliferation for tissue engineering applications.

The invention relates to a method for manufacturing a multilayer board by a poplar veneer, enzyme treated wood and straw fiber. The method is characterized by comprising the following steps: (1) manufacturing wood fiber; (2) manufacturing the straw fiber; (3) processing the wood and the straw fiber by enzyme; (4) manufacturing a high-density fiber board; and (5) assembling and compregnating the poplar veneer and the fiber board into the multilayer board. The method has the advantages of improving the bonding performance by the enzyme treated wood and straw fiber, manufacturing the high-density fiber board by the enzyme treated wood and straw fiber, being capable of enlarging material sources of the multilayer board by manufacturing the multilayer board by replacing part of the veneers, and using the wood felling and processing remainders and crop straw materials. The enzyme treated wood and straw fiber improve the wetting property of the multilayer board (a surface contact angle is reduced by 10-20%), improve the bonding performance and reduces the application amount of urea formaldehyde resin adhesive by 6-8%. Generally, the application amount of urea formaldehyde resin adhesive is 10-14%.

The invention discloses a soldering flux matched with a high-melting-point solder, and is characterized in that the soldering flux comprises an organic active agent, a surfactant, rosin, a corrosion inhibitor and an alcohol solvent, wherein according to the weight percentage, the organic active agent is 5-30%, the surfactant is 1-5%, the rosin is 30-60%, the corrosion inhibitor is 0.01-0.5%, and the balance is the alcohol solvent. The soldering flux, provided by the invention, has the advantages of high activity, good surface wetting property, no corrosion, moderate viscosity, easiness in cleaning and the like, the obtained welding point is statured in appearance, compact in interior and no hole vice; when the soldering flux is used, toxic harmful substances are not released, the environmental-friendly requirements can be satisfied, and residues obtained after welding can be clearly cleaned by regular cleaning liquid.

The invention discloses a super capacitor device containing a millet-husk-based porous active carbon material. The millet-husk-based porous active carbon material is prepared by uniformly mixing dried millet husks and an activator, performing carbonization and activation with a microwave device in the protection of an inert gas, adding distilled water to obtained black powder for suction filtration washing till the pH value is 6.4-7, and performing drying to obtain black powder. The black powder is the prepared millet-husk-based porous active carbon material. The millet-husk-based porous active carbon material (an active substance) prepared through the microwave method is mixed with a binder according to a certain mass ratio, distilled water is added for mixing to prepare a thick liquid, and the thick liquid is repeatedly rolled to obtain a sheet electrode material. The electrode material is put on a current collector with the corresponding size, cold pressing is carried out at 1-40 Mpa for 10-200 s, and drying is performed at 120 DEG C to obtain an electrode plate of the super capacitor device. The electrode material in the electrode plate is more than 14 mg per square centimeter. An electrode plate, a membrane, and an electrode plate are assembled into a sandwich structure, then different electrolytes are dropwise added, so that the super capacitor device is assembled.

The invention discloses a preparation method of an artificial core in a petroleum geology research. The preparation method comprises the following steps: during the process of cementing quartz sand and epoxy resin through a cementing agent, introducing a nano porous material and a metal thin sheet, performing curing under pressure, soaking a core in acid or alkali or leaching the core to form slits, finally flushing the artificial core with distilled water, and drying. By the adding of polyethylene glycol and citric acid, the artificial core has high surface wettability, and the surface property is closer to natural core. According to the preparation method, the slits, micron-level pores and nano-level pores of the artificial core can be quantitatively controlled, so that the prepared artificial core is extremely high in similarity with the natural core and can meet simulation and test on such physical properties as sound wave, transfusion and conductivity of the core in the petroleum geology research, thus providing an experimental support for oil-gas exploration development.

A method of embedding material in a glass substrate is provided. The method includes providing a glass composition and a mold substrate having a patterned surface defining a recess therein. The mold substrate is formed from a material having a higher reflow temperature than the glass composition. A surface wettability of the patterned surface is increased relative to the glass composition. At least a portion of the glass composition is flowed into the recess defined by the patterned surface of the mold substrate, followed by solidifying the glass composition to form a solidified glass layer. Material is removed from the solidified glass layer until a portion of the underlying patterned surface of the mold substrate is exposed with at least a portion of the mold substrate embedded in the solidified glass layer to thereby form the glass substrate having the material embedded therein.

The invention discloses a preparation method for a rare-earth-modified graphene reinforced metal matrix composite material. Oxidized graphene is subjected to modifying treatment through rare earth, and then high-dispersity rare earth modified graphene powder is obtained through reduction; the modified graphene powder and metal powder are subjected to ball-milling and powder mixing, and then ball-milled composite powder is packed into a bag; welding and sealing are conducted after vacuum pumping; and the rare-earth-modified graphene reinforced metal matrix composite material is prepared through processes of hot isostatic pressing and hot extrusion forming. By adding trace rare earth elements, oxidizing of the graphene and the metal powder in the preparation process can be reduced, dispersity and interfacial wettability of the praphene in a metal matrix are improved, and the mechanical and conductive properties of a graphene reinforced metal matrix composite material are improved. Meanwhile, the preparation method is simple and easy to carry out in process, low in production cost, suitable for scale production and has good market prospects.

The invention discloses an oil-water separation net membrane as well as a preparation method and application thereof. The preparation method of the oil-water separation membrane comprises the steps ofsynthesizing a copolymer containing a polyethylene glycol hydrophilic chain, a dimethylaminoethyl hydrophobic chain, and a mussel biomimetic catechol group, and dissolving the copolymer in an aceticacid/ sodium acetate buffer solution; washing and drying the net membrane, immersing the net membrane in a dopamine-containing trihydroxymethyl aminomethane solution, taking out the net membrane, washing and drying, immersing the net membrane in the acetic acid/ sodium acetate buffer solution containing the copolymer, and washing and drying. The oil-water separation net membrane can be applied tooil-water separation. The oil-water separation net membrane contains a polymer modified with a hydrophilic and hydrophobic chain, has super-hydrophilic and super-oleophilic nature in air and super-olephobic nature under water/ super-hydrophobic nature under oil, belongs to a water removal and oil interception mode after being pre-wetted by water, belongs to an oil removal and water intercepting mode after being pre-wetted by oil, improves the utilization efficiency of the separation membrane, and has large processing capacity and high separation efficiency.