Silver product with hybrid energy-saving coating on glass substrate
SUBSTANCE: coating comprises the first layer of titanium dioxide of TiO2 adjacent to the surface of the glass substrate, the first contact layer of Zn-Al-O, the first silver layer of Ag, reflecting infrared radiation, the first covering layer of Zn-Al-O, an intermediate layer of Zn-Sn-O, the second contact layer of Zn-Al-O, the second silver layer of Ag, the second covering layer of Zn-Al-O, an outer protective layer of Zn-Sn-O. The thickness of the intermediate layer of Zn-Sn-O is from 85 nm to 98 nm, and the thickness of the TiO2 layer is from 20 nm to 24 nm. The ratio of the thickness of the layer of TiO2 to the thickness of the outer protective layer is in the range of 0.56 to 0.75. The aggregate thickness of two silver layers of Ag is such that the resultant surface resistivity of the product with a hybrid energy-saving coating does not exceed 4 Ohm/sq. The ratio of the thickness of the first silver layer of Ag to the thickness of the second silver layer of Ag is 0.17 to 0.28. The ratio of the thickness of the first covering layer to the thickness of the first contact layer and the ratio of the thickness of the second covering layer to the thickness of the second contact layer are equal to and not more than 0.672. The product has a silver colour.
EFFECT: reduction of heat losses during a cold weather, increase of translucence, decrease in the level of transmission of ultraviolet radiation.
2 cl, 2 tbl, 2 dwg
SUBSTANCE: invention relates to ceramic production, particularly to production of ceramic pigments. The mixture for producing pink pigment contains the following components in wt %: nepheline sludge 44.0-44.7, silicon oxide SiO2 15.4-15.6, tin oxide SnO2 38.6-39.2, chromium oxide Cr2O3 0.5-2.0. Synthesis temperature of the pigment is 1150-1250°C. The pigment is used to produce underglaze and overglaze ceramic paints.
EFFECT: low synthesis temperature of the pigment, cheap ceramic pigments and recycling alumina wastes.
SUBSTANCE: invention relates to methods of preparing a mixture for making quenched cullet for foamed glass. Method involves premixing silica-containing material in form of quartz sand with moisture content of 0.5% and grain size of 0.1-0.63 mm in amount of 30-35% of the mass of the prepared portion of the mixture and diatomite with moisture content of 15-30% with grain size smaller than 0.1 mm in amount of 28-33% of the mass of the prepared portion of the mixture. The rest of the components are then added to the mixed silica-containing material in the following sequence: dolomite, soda, sulphate. The mixture is then moistened with steam and components are mixed. The mixture is removed from the mixer and fed into a roller press using a two-shaft auger feeder with a declining pitch of screws that are engaged with each other.
EFFECT: wider raw material base of silica-containing material, high homogeneity and chemical activity of the glass mixture, low power consumption of the process of melting glass and producing the quenched cullet.
2 tbl, 2 ex, 2 dwg
SUBSTANCE: invention relates to a method of producing a cobalt pigment and can be used to produce paint materials, different types of ceramics and for art and restoration work. The method of producing blue aluminium-cobalt pigment involves preparation of starting reaction aqueous solutions containing a cobalt (II) salt and an aluminium (III) salt, precipitation of a precursor product from the solution, separation from the solution, washing with water, drying and firing. The precipitant used is a strongly basic anionite gel AV-17-8 in hydroxide form, and firing is carried out at temperature of 750°C.
EFFECT: ion-exchange method of producing spinel-based pigments without using aggressive media, high temperatures and pressure.
1 ex, 4 dwg
SUBSTANCE: invention can be used in production of heat-resistant pigments for decorating different articles made from porcelain, faience, glass and plastic. The method of producing an aluminium-nickel pigment involves preparation of starting reaction aqueous solutions containing an aluminium (III) salt and a nickel (II) salt, depositing a precursor product from the solution, separating from the solution, washing with water, drying and firing. The precipitation agent used is strongly basic anionite gel AV-17-8 in hydroxide form. Burning is carried out at temperature of 750°C.
EFFECT: invention enables to obtain a pigment with a blue colour based on spinels without using aggressive media, high temperatures and pressure.
4 dwg, 2 ex
SUBSTANCE: crude mixture contains the following, wt %: rock crystal 37.8-39.5; red lead 18-22; borax 38-44; cobalt carbonate 0.2-0.5.
EFFECT: obtaining artificial stones which, after cutting, have an appearance which imitates crystals of blue topaz, are homogeneous and are shiny.
SUBSTANCE: invention relates to making artificial stone and minerals which can be used in making imitation jewellery. The crude mixture for making artificial stone contains the following components, wt %: rock crystal - 80.5-82.5; red lead - 6-8; borax - 4-6; cobalt carbonate - 0.5-1; alumina - 4-6; cryolite - 0.5-1.
EFFECT: high water resistance of the artificial stone.
SUBSTANCE: invention relates to making artificial stone and minerals. The crude mixture for making artificial stone contains the following components, wt %: red lead - 12-14; borax - 8-10; cobalt carbonate - 0.01-0.02; chalk - 4-6; barite - 4-6; rock crystal - the balance.
EFFECT: high water resistance of the artificial stone which imitates topaz.
SUBSTANCE: invention relates to production of ceramic pigments for decorating porcelain-faience and majolica articles. The mixture for producing turquoise ceramic pigment of a mullite composition contains oxides SiO2, V2O5, Al2O3, K2O in form of a calcined spent vanadium catalyst (SVD) and additionally contains oxides Al2O3 and NiO in form of a nickel salt solution NiSO4·7H2O, with the following content of ingredients, wt %: spent vanadium catalyst SVD - 33.7-37.7; Al2O3 - 51.3-57.3; NiO - 5.0-15.0.
EFFECT: high heat resistance of the pigment.
1 ex, 3 tbl
SUBSTANCE: invention relates to silicate technology. The tile glaze contains yellow lead, quartz sand, kaolin, cobalt oxide, bone ash, zircon and cryolite, with the following ratio of components, pts.wt: yellow lead - 0.5-1; quartz sand - 5-6; kaolin - 0.5-1; cobalt oxide - 0.5-1; bone ash - 0.5-1; zircon - 1.5-2; cryolite - 0.5-1.
EFFECT: high heat-resistance of the glaze.
SUBSTANCE: crude mixture for making artificial stone contains the following, wt %: borax 25-35; cobalt carbonate 0.01-0.015; litharge 10-15; crystal - the rest. The mixture of components is melted and poured into metal moulds. The obtained moulds are then annealed, polished and cut.
EFFECT: low melting temperature of the crude mixture for making artificial stone which imitates colourless topaz.
SUBSTANCE: method of making a tinted article, having a tinting film, includes joining polymer sheets. The polymer sheets used are two sheets of a transparent material, one of which is coated with an elastic polymer in the form of points with size of less than 30 mcm, followed by polymerisation thereof, joining with another sheet by stacking, followed by sealing the periphery and feeding into the space between the films through a valve a coloured optically transparent working fluid for controlling the degree of light transmission through inlet and outlet thereof. During inlet of the working fluid, light transmission decreases and during outlet of the working fluid, light transmission increases.
EFFECT: controlling the degree of light transmission, which means improving optical characteristics of surfaces depending on operating conditions.
2 cl, 2 ex
SUBSTANCE: light-redistributing coating contains as a film-forming base tetraethoxysilane, ethyl alcohol and hydrochloric acid. The film-forming solution used to obtain the coating further contains erbium chloride crystalline hydrate, with the following ratio of components, wt %: tetraethoxysilane 3.56-4.74, erbium chloride crystalline hydrate 5.32-6.63, hydrochloric acid 0.01, 96% ethyl alcohol - the balance. The obtained coating has a refraction index or 1.18-1.20.
EFFECT: more intense anti-reflection effect by producing a coating with a lower refraction index.
FIELD: process engineering.
SUBSTANCE: invention relates to application of current conducting layer on glass. Proposed device comprises sprayer and vessel with solution arranged in chamber with air funnel to perform vertical, horizontal and rotary motion about horizontal axis. Sprayer is additionally equipped with automatic compressed air feed valve electrically connected with timer to allow selecting air pressure and air feed time so that presser optical and electrical parameters are obtained. Actual thickness of current conducting layers makes 2.5±0.2 mcm while surface electrical conductivity makes 10-6-10-4 Ohm-1. These current conducting layers ensure "invisibility" of produced glass articles for radars. Optical transmission makes 25%, that is, 11% smaller than that of articles without current conducting layer which complies with the requirements specified for light filters of onboard navigation lights.
EFFECT: current conducting layer with preset optical and current conducting parameter.
SUBSTANCE: invention relates to field of chemical technology of obtaining paints and varnishes. Composition for giving surface properties of self-cleaning based on lotus effect includes hydrophobising component amides or esters of perfluoropolyoxalkylene-sulfo- or perfluoropolyoxalkylene-carboxylic C17-46 acids, dissolved in organic solvent Freon, isopropanol or their mixture, structure-forming component, selected from the group: organosoluble silica sol with particle size 3-18 nm, tetrabutoxytitanium, tetraisopropoxytitanium, tetraethoxysilane or products of its partial hydrolysis, with weight ratio of hydrophobising and structure-forming components within 100:(4-7) and concentration of hydrophobising component in solvent 0.2-8 wt %.
EFFECT: invention provides self-cleaning properties of processed surface.
SUBSTANCE: invention relates to the technology of producing removable protective coatings from carbonaceous materials and can be used in substrates, for example glass-type substrates with defined light transmission characteristics in the visible region. The substrate is made from tempered or non-tempered or heat-strengthened glass, and the removable coating contains at least 75 wt % carbon and can be amorphous and have a graphite crystal structure.
EFFECT: substrate can have an additional functional low-radiating coating on which a blocking layer can be applied.
23 cl, 1 ex
SUBSTANCE: invention relates to articles made from hollow glass, particularly articles having various shapes. The method of making production-line articles from hollow glass which will be placed next to each other with the same orientation on the same plane and touch on the surface of rotation, involves at least one revolution about the axis of the said surface of rotation after coming out of an annealing tunnel, where the said surface is coated with an extra layer which reduces the coefficient of friction using a technique without hard contact when the article is in an optical control apparatus. The invention also pertains to an article made from hollow glass which is made using this method, and a system of packing such articles.
EFFECT: avoiding attrition of articles made from hollow glass with special geometry during storage or transportation with the said articles in contact with each other.
11 cl, 1 tbl, 1 ex
FIELD: printing industry, decorative art.
SUBSTANCE: invention relates to light industry and method for formation of decorative art object. A layer of transparent heat resistant varnish is applied onto glass base with thickness of 15-150 mcm. Then the object is exposed to annealing to produce light-golden or golden or golden-bronze or copper colour. Further a mixture of metals or alloys, in which at least 30% of mass is contributed by aluminium powder, is applied onto varnish layer by gas dynamic sputtering.
EFFECT: invention makes it possible to create decorative art object that has a property to imitate coating of plates with golden foil, to provide plates with spatial perspective, voluminousness and smoothness of spatial transition of light-reflecting effect.
5 cl, 1 ex
SUBSTANCE: invention relates to a method of producing a substrate having antimicrobial properties. The method includes a step of depositing a non-gelling metal layer, which includes an inorganic antimicrobial agent obtained from a precursor in the form of a metal, colloid, chelate or ion, on at least one of the surfaces of a glass substrate and a step for diffusion of said agent via heat treatment. In another version, the substrate can be coated with an underlayer or a top coating and diffusion occurs into either the underlayer or the top coating. Glass and metal substrates having antimicrobial properties are also described.
EFFECT: obtaining a substrate with antimicrobial properties, which is easy to use and cheap to produce.
24 cl, 6 dwg, 3 tbl, 7 ex