114results about How to "Poor resistance" patented technology

A unitized cast system for immobilizing and supporting a body part. The unitized casting system includes a first inner layer for padding and dissipating heat against the patient's skin. A second layer is formed from a thermoformable structural material such as perforated plastic. A protective third outer layer is provided to provide insulation for the second layer. These three layers are formed together to form a unitized cast system that is easily formed and applied to the patient.

A coating composition and process for generating transparent, near-transparent, and semi-transparent super-hydrophobic coatings on surfaces having a contact angle of greater than 165 degrees. The composition comprises hydrophobic nanoparticles of silsesquioxanes containing adhesion promoter groups and low surface energy groups.

The present invention provides a light-diffusive polycarbonate-based resin composition which includes (A) 100 parts by mass of an aromatic polycarbonate resin, (B) 0.01 to parts by mass of a light-diffusing agent, and (C) 0.1 to parts by mass of a styrene-(meth)acrylic ester copolymer, and a light-diffusing plate formed from the composition. The light-diffusive polycarbonate-based resin composition can be injection-molded to form a light-diffusing plate having satisfactory precision in thickness for use in comparatively large liquid crystal displays having a size larger than 20 inches.

To provide a field-effect transistor improved in transparency, electrical properties, stability, uniformity, reproducibility, heat resistance and durability, and as a reduced overlap capacity between electrodes.

A field-effect thin film transistor 1001 includes a gate electrode 1025, an active layer, a source electrode 1022 and a drain electrode 1023, wherein a crystalline oxide 1021 containing indium and having an electron carrier concentration of less than 10¹⁸/cm³ is used as the active layer, and the gate electrode 1025 is in self-alignment with the source electrode 1022 and the drain electrode 1023. The crystalline oxide 1021 contains a positive trivalent element different from a positive divalent element or indium.

A coating that exhibits resistance to fouling by waterborne contaminants, and permselective membranes having this type of coating, are disclosed. For example, a reverse osmosis membrane is coated with a hydrogel-like composition comprising a combination of a hydrophilic polymer, a polyphenolic compound, and a surfactant, whereby the membrane is made more resistant to fouling by organic contaminants. Particularly beneficial are coating compositions containing amine-based surfactants, these being retained in the hydrophilic coating by polar or ionic binding forces.

The present invention concerns a decorative piece (1) including a first (2) and a second part (3). The second part (3) is secured in the first part (3) by inlay. The invention is characterized in that at least one of the parts (2, 3) is made of an at least partially amorphous material.

A printing paper winding device for enabling winding of printing paper even paper with a base material having a low resistance to bending stresses or printing paper having RFID labels carrying IC chips. Bending stresses are reduced by dividing the movement region of the tension roller into four regions in order to enable the successive detection of the position or posture of the tension roller and by making the bending angle of the printing paper in the winding path close to a more obtuse angle. A winding control unit of the present invention determines whether the tension region where the tension roller is positioned is a first tension region, second tension region, third tension region, or fourth tension region, controls the drive unit to limit the tension roller to a tension region in which winding is possible in the direction such that the bending angle of the printing paper in the winding path, which follows the winding of the printing paper, is close to a more obtuse angle.

A dry etching method wherein a resist film is irradiated with radiation having a wavelength of not more than 195 nm to form a resist pattern having a minimum line width of not more than 200 nm, and the substrate having the resist pattern formed thereon is subjected to dry etching using a fluorine-containing compound having 4 to 6 carbon atoms and at least one unsaturated bond as an etching gas. As the fluorine-containing compound, perfuloro-2-pentyne, perfuloro-2-butyne, nonafluoro-2-pentene and perfluoro-2-pentene are preferably used. Perfuloro-2-pentyne is produced by a process wherein a 1,1,1-trihalo-2,2,2-trifluoroethane is allowed to react with pentafluoropropionaldehyde to give a 2-halo-1,1,1,4,4,5,5,5-octafluoro-2-pentene, and the thus-produced halo-octafluoro-2-pentene is dehydrohalogenated.

To improve the reliability of a semiconductor device including a low-resistance material such as copper, aluminum, gold, or silver as a wiring. Provided is a semiconductor device including a pair of electrodes electrically connected to a semiconductor layer which has a stacked-layer structure including a first protective layer in contact with the semiconductor layer and a conductive layer containing the low-resistance material and being over and in contact with the first protective layer. The top surface of the conductive layer is covered with a second protective layer functioning as a mask for processing the conductive layer. The side surface of the conductive layer is covered with a third protective layer. With this structure, entry or diffusion of the constituent element of the pair of conductive layers containing the low-resistance material into the semiconductor layer is suppressed.

A novel photoimageable system for a two-chemistry system containing liquid photoreactive asymmetric acrylate compound containing sulfur, aromatic moieties, and optionally bromine, and an aluminum salt compound is disclosed. The photoimageable system has high dynamic range (M/#) and sensitivity and unexpectedly high temperature and high humidity resistance. The photoimageable system retains its dynamic range when exposed to 60° C. for 4 weeks while a composition without the aluminum salt compound lost 75% of its dynamic range under similar exposure conditions. In one embodiment, 2-10 weight % of a thio-butylacrylate dissolved in a two-component urethane matrix containing 0.002 to 1 weight % of the aluminum salt compound showed a dynamic range of greater than 5 for a 200 microns thick sample and retained more than 80% of the dynamic range after 4 weeks exposure at 60° C.

The present invention relates to a coating system containing I) anhydrous, gel-like, high molecular weight polyurethane compositions, which may contain active substances, based on (1) 15 to 62 wt. %, based on the weight of 1) and 2), of a high molecular weight covalently crosslinked polyurethane matrix and (2) 38 to 85 wt. %, based on the weight of 1) and 2), of a liquid dispersing agent firmly bound in the matrix by secondary valence bonds, wherein the liquid dispersing agent contains one or more polyhydroxyl compounds having a number average molecular weight of 1000 to 12000 and an OH number of 20 to 112, wherein the dispersing agent is substantially free from hydroxyl compounds having a molecular weight below 800, and II) solvent-containing, solvent-free and/or aqueous polyurethane topcoats.

A method of fabricating a microfluidic system having microfluidic channels on a surface of a hydrophilic substrate, the method including the steps of: hydrophobizing the substrate surface; locating a mask defining the substrate surface, the mask having open areas defining the periphery of the microfluidic channels; and applying an irradiation treatment to areas of the substrate surface exposed by the open areas of the mask, said exposed areas becoming hydrophilic to therefore form said microfluidic channels.

Disclosed is a surface-treated precoated metal sheet of which resistance against contamination with a photocatalyst and a self-cleaning function can be retained for a long period. Also disclosed are a method and a surface-treating solution for producing the surface-treated precoated metal sheet properly. The surface-treated precoated metal sheet is characterized by comprising a precoated metal sheet comprising an under metal sheet and an organic resin coating layer provided on the surface of the under metal sheet and a coating film having at least two layers, having a photocatalytic activity and formed on the precoated metal sheet, wherein the coating film having at least two layers comprises an inorganic-organic composite resin composed of a condensed product of an alkoxysilane selected from a group consisting of an alkoxysilane having an organic group selected from a group consisting of an alkyl group having 1 to 12 carbon atoms, an aryl group, a carboxyl group, a hydroxy group and a combination of two or more of these groups, an alkoxysilane having an epoxy group, an alkoxysilane having an amino group, a tetraalkoxysilane and a combination of two or more of the alkoxysilanes and contains a substance having a photocatalytic activity in such an amount that the content of the substance is highest in the outermost layer of the coating film and is gradually decreased toward an inner layer of the coating film.

The object of the present invention is to provide an inorganic board which has high mechanical strength, much improved dimensional stability, freezing and fusion resistance. To attain said object, the present invention provides an inorganic board made of a cured material being a raw material mixture containing a cementitious inorganic material, a silica containing material, a woody reinforcement, and a water soluble synthetic resin, wherein the mass ratio of said cementitious inorganic material and said silica containing material is set to be in the range of between 35:65 and 45:55, to promote the hardening reaction of said inorganic board, and to reduce the unreacted materials, solving the problem of the retardation of the cement hardening by said water soluble synthetic resin.

A self-pumping hydrodynamic mechanical seal includes a rotating ring (3) and a stationary ring (11). More than three sets of backward curved grooves (39) are provided on a seal face of the rotating ring (3), outlets of the backward curved grooves (39) are provided at an external diameter portion of the seal face of the rotating ring (3), and an inlet (31) connects with a seal chamber (1) through a duct (30) of the rotating ring (3) or the stationary ring (11). When the rotating ring (3) rotates, a medium in the backward curved grooves (39) is accelerated into a high-speed fluid; under a centrifugal force, the high-speed fluid moves to an external diameter side of the rotating ring (3), so as to be pumped into the seal chamber (1) and generates a low-pressure area at the inlets (31) of the backward curved grooves (39); the medium in the seal chamber (1) is driven by a pressure difference, so as to flow into the backward curved grooves (39) through the duct (30), for forming circulation of self-pumping. During pumping the high-speed fluid, a flow speed of the high-speed fluid is slowed and a pressure of the high-speed fluid is increased, as a flow sectional area of the backward curved grooves (39) is increased, so as to generate an opening force which separates the rotating ring (3) from the stationary ring (11). The seal has desirable capabilities of self-lubrication, self-flushing, solid particle interference resistance, and optimal sealing performance.

The present invention relates to a synthetic leather for a steering wheel cover of a vehicle, and a method for preparing the same. The synthetic leather including a fiber base layer (101) including a microfiber nonwoven fabric, an urethane porous layer (102) formed on the fiber base layer, a polyurethane resin skin layer (104) formed on the urethane porous layer, and prepared by polymerizing an isocyanate compound and a polyol compound including polycarbonate-based polyol, fluorine-based polyol and ester-based polyol, and an adhesive layer (103) for adhering the urethane porous layer and the skin layer.

An optical fiber comprises a glass fiber which comprises a core and a cladding, a primary resin coating layer which covers the periphery of the glass fiber, and a secondary resin coating layer which covers the periphery of the primary resin coating layer. The glass fiber is a multimode fiber having a core diameter of 40-60 μm and a cladding diameter of 90-110 μm, and the primary resin coating layer is a layer formed by curing a curable resin composition which comprises oligomers, monomers, and a reaction initiator, the curable resin composition containing a one-end-capped oligomer in an amount of 30% by mass or larger based on all the oligomers.

Transporters, e.g., ore carriers, vehicles, materials handling equipment, etc. having fluorinated polyurea and fluorinated polyurethane coatings thereon.