75results about How to "Reduce coating thickness" patented technology

A linear aperture deposition apparatus and process are provided for coating substrates with sublimed or evaporated coating materials. The apparatus and process are particularly suited for producing flexible films having an optical interference coating with a very high surface thickness uniformity and which is substantially free of defects from particulate ejection of a source material. The apparatus includes a source box containing a source material, a heating element to sublime or evaporate the source material, and a chimney to direct the source material vapor from the source box to a substrate. A flow restricting baffle having a plurality of holes is positioned between the source material and the substrate to confine and direct the vapor flow, and an optional floating baffle is positioned on the surface of the source material to further restrict the vapor flow, thereby substantially eliminating source material spatter.

The present disclosure provides multicoat systems exhibiting ultraviolet (UV) stability after ultraviolet exposure and moisture exposure. The systems comprise at least one primer (G), at least one pigmented coating (P) disposed on a surface of the primer, and at least one ultraviolet (UV) absorber which has an absorption maximum of at least 370 nm. The pigmented coating (P) may be comprised of two or more coatings (P1), (P2) to (Pn). The multicoat systems may also comprise a transparent coating material (T) to form a transparent coating (K). The present multicoat systems demonstrate ultraviolet stability, reduced delamination of the pigmented coat from the primer and are available in a variety of shades for use in the finishing, refinishing and coating of component parts.

The present disclosure also provides for a process for producing the multicoat system, and provides for the use of the system.

A reflection-type color filter (30) is disclosed, in which light coming into one surface of a color filter layer (36) is reflected by a reflective layer (40) and allowed to pass through the color filter layer (36) twice. Colored patterns of the color filter layer (36) include resin such as polyimide and dye for dyeing the resin. The thickness of the colored patterns is 0.7 mum or less. In order to enhance light resistance, it is effective to increase the content of dye with respect to resin. The value of 0.7 mum is established in consideration of enhancement of optical characteristic and light resistance of the color filter used in the reflection type liquid crystal display device. In order to enhance light resistance, more preferably, a metal complex is added to the resin.

A multilayered structure array has narrow pitches by making thinner coatings for insulating internal electrode layers from side electrodes and the productivity of the multilayered structure array is improved. The multilayered structure includes: a first internal electrode layer; a piezoelectric layer formed on the first internal electrode layer; a second internal electrode layer formed on the piezoelectric layer; a first coating formed on an end surface of the first internal electrode layer in a first side surface region of the multilayered structure and containing one of metal oxide, metal nitride, metal fluoride and metal sulfide in at least one part thereof; and a second coating formed on an end surface of the second internal electrode layer in a second side surface region of the multilayered structure and containing one of metal oxide, metal nitride, metal fluoride and metal sulfide in at least one part thereof.

The tubular radiation absorbing device (1) for solar thermal applications includes a central tube (3) made of chromium steel, particularly stainless steel; a glass tubular jacket (2) surrounding the central tube so as to form a ring-shaped space (6); and a barrier coating (4) on at least an interior side of the central tube (3), which is substantially impermeable to hydrogen and contains chromium oxide. The barrier coating (4) is provided by a process in which the central tube (3) is treated with steam containing free hydrogen at a temperature of 500° C. to 700° C.

The invention relates to scaly zinc-based inorganic zinc silicate heavy anti-corrosion coating and a preparation method thereof. The method comprises the following steps of: (1) mixing scaly zinc powder with initial film forming resin according to the weight ratio of components to obtain a component A; (2) mixing a hydrolyzing silicon solution with a modifier by stirring at intermediate speed according to the weight ratio of the components, adding a catalyst for hydrolyzing according to the weight ratio of the components and hydrolyzing to obtain a component B; and (3) mixing the component A and the component B which are prepared in the step (1) and the step (2) according to the component weight ratio of (1-1.5):1 to obtain the scaly zinc-based inorganic zinc silicate heavy anti-corrosion coating. The invention has the advantage of preparing the scaly zinc-based inorganic zinc silicate heavy anti-corrosion coating by mainly adopting domestic scaly zinc powder. Compared with traditional zinc rich primer, the invention can greatly reduce the zinc powder content and coating thickness; the traditional zinc rich primer generates large zinc fog in the coating welding process, and the scaly zinc powder primer generates less zinc fog, reduces damage to construction staffs and is a new generation product of the traditional inorganic and organic zinc rich primer.

The invention discloses a multifunctional fabric with multiple fiber layers arranged and combined according to a rule and a manufacturing method; the invention is characterized in that the novel multifunctional fabric is produced by combing a selected material set according to a specific arrangement mode and a connection mode. The material set comprises fiber layers formed by basalt, Kevlar, high-modulus polyethylene, bamboo-source fibers; the arrangement mode is based on a corresponding width, proportion and sequence distributed by a specific optimized curve; the connection mode comprises colloid bonding, and physical connection; the connection method comprises track connection which accords with a specific distribution rule; the connection result is associated with the arrangement mode, that is, sliding is realized between some layers, and fixation is realized between some layers. With the technology, the multifunctional parameters of the target fabric is in an optimal state, and the fabric performance, such as flexibility, stab resistance, bullet resistance, fire resistance, high temperature resistance, water resistance, corrosion resistance, wear resistance, and aging resistance, can reach a comprehensively optimal level; each single performance can meet the corresponding international standard; and the fabric is widely applicable to production and manufacture of daily life clothes and special clothes.

The invention relates to an anti-corrosion system for metals consisting of at least one finish or coating that can be applied to a metal, said finish or coating comprising an organic matrix. The organic matrix also contains anti-corrosion pigments, which are finely distributed throughout the organic matrix. The anti-corrosion pigments are formed from a metal alloy of at least two metals and optionally from inevitable impurities. The invention also relates to a corresponding anti-corrosion pigment.

This invention pertains to a method for producing crack-free, insoluble, greater than 1.25 mu m thick coatings from hydrogen silsesquioxane resin compositions. The method for producing the coating comprises applying a fillerless hydrogen silsesquioxane resin composition onto a substrate and thereafter heating the hydrogen silsesquioxane resin at a temperature of less than 500 DEG C. for a controlled period of time to produce the crack-free coating having a thickness of greater than 1.25 mu m. The resins may be cured in an inert or oxygen containing environment.

In accordance with an embodiment of the invention, a thermal barrier coating for inclusion in a thermal barrier coating system is provided. The thermal barrier coating comprises a compound having a rhombohedral phase. In accordance with another embodiment of the invention, a thermal barrier coating is provided that comprises a compound having the formula of: A₄B₃O₁₂, wherein A is at least one rare earth element; and B is selected from the group consisting of Zr, Hf and mixtures thereof.

A method of producing a workpiece (1) having at least one bearing eye (2) is described, the bearing eye (2) being coated with an anti-friction coating (4), which forms a running surface deviating from a circular cylinder. In order to provide advantageous production conditions, it is suggested that the bearing eye (2) be processed for a precise fit to a circular cylinder, before the anti-friction coating (4) is galvanically deposited on the processed bearing eye surface (3) to form the running surface in a varying thickness which corresponds to the final dimensions.

Organic based and preferably clear and glossy lacquer/varnish or an organically based gel-coat with the ability to form coatings with high wear resistance, as well as method for manufacturing same, said lacquer/varnish or gel-coat comprises a controlled amount of inorganic polymer particles mainly with a size of 1-100 nm, the particles being able to form a three-dimensional network that is independent of the organic network of the lacquer or which may have bondings to this network. The polymer particles are typically a reaction product obtained by hydrolysis and condensation reactions of monomer compounds chosen among the following groups: i) M(OR)n, or ii) R'-M(OR)n, where M is a metal ion, and R is an organic group chosen among alkyl, alkenyl, aryl or combinations of such groups with from 1 to 8 carbon atoms, R'=R or R-X, where X is an organic group like e.g. amine, carboxyl or isocyanate, and n is an integer between 1 and 6. Alternatively the polymer particles are natural or synthetic clay based powders or combinations of such powders. The lacquer/varnish or gel-coat is used as protective coatings on e.g. surfaces of aluminium or steel, preferably rolled aluminium or steel.

The invention mainly discloses an ultrahigh-purity quartz ceramic crucible and a preparation method thereof. The ultrahigh-purity quartz ceramic crucible is mainly applied to polycrystalline silicon ingots in the solar photovoltaic industry. The preparation method comprises the steps of treating solar-grade purity silica powder (6N) with different grain sizes, and then, adding silica sol, deionized water, additives and the like according to a certain ratio to prepare slurry with good dispersibility, wherein the solar-grade purity silica powder (6N) with different grain sizes is used as the main raw material; after further treating a common quartz crucible, placing the slurry on the inner surface of the common quartz crucible in a way of coating, brushing and the like; and after drying, oxidizing and sintering in a kiln with an oxidizing atmosphere to obtain the ultrahigh-purity quartz ceramic crucible. By using the preparation method, the ultrahigh-purity quartz ceramic crucible can be obtained, an ultrahigh-purity crucible is produced by breaking the bottleneck of an ultrahigh-purity quartz raw material, impurities are more effectively prevented from entering ingots, side red areas are thoroughly eliminated, bottom red areas are reduced, the conversion efficiency is increased, the cost is reduced while the stability is kept, the porosity is lower, the volume density is higher, the property is more stable, the service life is greatly prolonged, and the using cost is effectively reduced.

The invention discloses a preparation method of a tungsten boride composite coating, and relates to coating of boride on metal materials. The tungsten boride composite coating is synthesized through a thermal spraying in-situ reaction. The preparation method comprises the steps that tungsten oxide/boron carbide/aluminum composite powder used for thermal spraying is prepared; the base material surface needing the coating is pretreated; and the tungsten boride composite coating is prepared. The defects that the existing technology for preparing the tungsten boride composite coating is complex, high in cost, large in pollution and low in deposition efficiency, and the coating is small in thickness, low in compactness, poor in uniformity, low in toughness, poor in binding force with a base body, likely to be cracked and not suitable for being applied in large-scale industrial production are overcome.

In an apparatus for the coating of belt cords with rubber, plural belt cords made of a steel filament are aligned as a cord unit, and a plurality of such cord units are arranged in parallel to each other at a given pitch in the same plane, and then integrally coated with an uncured rubber through an insulation system immediately after the arrangement of these cord units in line.