Glass and mineral or slag wool (C03)

C   Chemistry; metallurgy(315635)
C03            Glass; mineral or slag wool(14339)

ethod for selective soldering of external shells of photonic crystalline waveguides with hollow core // 2629133
FIELD: physics.SUBSTANCE: invention may be used to obtain samples of photonic crystalline waveguides with hollow core (PCW with HC). The method of soldering the end surface of the sample involves heating the sample with a specific source of thermal action. In this case, a photonic crystalline waveguide with a hollow core is selected as the sample, a specific heat source is rotated around the axis of the waveguide at an angular velocity from 1 to 500 rpm-1, the sample is heated to a temperature, exceeding the temperature of the softening starting point of the sample material by not more than 80°C, heating is carried out for not more than 4 seconds, after which the sample is cooled by a directed gas flow.EFFECT: increase in the percentage of output of photonic crystalline waveguides with a hollow core with uniformly selectively soldered external shells, as well as ensuring the maximum uniformity of properties and the stability of the resulting samples during their further operation.1 dwg

Acoustic polymeric intermediate layers, sustainable to defects formation // 2628380
FIELD: technological processes.SUBSTANCE: polymer layer for multi-layer glass panels comprises three polymer layers containing plasticized polyvinyl butyral with a molecular weight less than 140,000 Da in which the second polymer layer is positioned between the first polymer layer and the third polymer layer to form a polymer intermediate layer with two outer layers and one inner layer.EFFECT: creation of an intermediate layer for shatterproof glass, which provides glass with an increased level of sound insulation, reduced light transmission, and the absence of optical defects.10 cl, 3 tbl, 4 dwg
Charge for receiving the foam glass // 2627789
FIELD: construction.SUBSTANCE: charge for obtaining foamed glass contains the following components, wt %: sheet glass battle 94.0-97.0; powder of sewage sludge 1.5-3.5; lithium-cobalt-oxide compound 1.0-3.0. 2 pr.EFFECT: expansion of raw materials base, decrease in foaming temperature.1 tbl
Charge for obtaining foam glass // 2627788
FIELD: construction.SUBSTANCE: charge for obtaining foamed glass contains the following components, wt %: container glass battle 94.0-98.0; powder of sewage sludge 1.5-3.5; lithium-cobalt-oxide compound 1.0-3.0.EFFECT: expansion of the raw material base, obtainment of homogeneous porous structure of foam glass.1 tbl

Transport-processing line of return cullet in production of glass packaging with glass mass colouring in feeder channel // 2627519
FIELD: chemistry.SUBSTANCE: transport-processing line of return cullet in production of glass packaging with glass mass colouring in a feeder channel comprises an intermediate conveyor of colourless cullet at the "cold end" and a granulator of colourless hot glass mass, the outputs of which are connected to the first and second inputs of the assembly conveyor of colourless cullet, the first cullet distributor, a vibrating discharge hopper for colourless cullet, a colourless cullet crusher, a bucket elevator. From the first output of the bucket elevator the colourless crushed cullet enters the storage hopper of the return cullet, equipped with a batch blending weigher of colourless cullet, unloading the dosed material to the first input of the transport line of the burden. From the second output of the second distributor, the surplus of colourless cullet with the help of the discharge conveyor is sent to the temporary storage of colourless cullet. The line contains a granulator of coloured hot glass mass. Its output is connected to the first input of the assembly conveyor of the coloured cullet transporting the coloured cullet to the storage funnel of the coloured cullet, the vibrating discharge hopper of the coloured cullet installed at the output of the storage funnel of the coloured cullet, a coloured cullet crusher connected with its input to the output of the vibrating discharge hopper of the coloured cullet. The bucket elevator of the coloured cullet is connected with its input to the ouput of the coloured cullet crusher. The rotary vibrating hopper is connected with its input to the output of the bucket elevator of the coloured cullet, and the output has five positioning points connected the four loading inputs of four-section intermediate storage hoppers of the coloured cullet and the branch pipe for supplying the surplus of coloured cullet to the temporary storage of the coloured cullet. A four-component batch blending weigher of the coloured cullet, which four inputs are connected to the four outputs of a four-section intermediate storage hopper of the coloured cullet, and the output is connected to the second input by the transport line of the burden. The rotary tray for the discharge of coloured hot glass mass from the "hot end", which output, depending on the colour of the produced glass packaging on the line secton with the colouring of the glass mass in the feeder channel is connected either to the granulator input of the coloured hot glass mass, or to the first granulator input of the colourless hot glass mass, the second, third and fourth inputs of which are fed with the hot colourless glass from the "hot" end of the sections without colouring the colourless glass mass. The first output of the first cullet distributor is connected to the first input of the intermediate conveyor of colourless cullet, the second, third and fourth inputs of which are fed with colourless cullet from the "cold" end of the sections without colouring of colourless glass mass in the feeder channel. The second output of the first cullet distributor is connected to the second input of the assembly conveyor of the coloured cullet.EFFECT: increased functionality of the line.1 dwg
Burden for synthesis of heat-insulating cellular glass // 2627516
FIELD: chemistry.SUBSTANCE: burden for cellular glass contains, wt %: slag of TPP 45.1-55.1; cullet 1-3C 16.1-21.1; cullet 1-BS 16.1-21.1; glycerol 3.6; boric acid 3.6; sodium fluoride 5.5.EFFECT: lowering the temperature of foaming.1 tbl, 3 ex

Glass melting unit and method // 2627288
FIELD: technological processes.SUBSTANCE: glass-forming materials are supplied into the first molten bath; the said glass-forming materials are heated to produce liquid glass. Downstream of the melting bath, the prepared liquid glass is passed to the heating bath. The liquid glass is heated in the second heating bath with metal walls not covered with heat-resistant insulating materials, from inlet temperature (T1) to output temperature (T2), which is higher than temperature T1 at least by 50°C, by means of submersible burners. The metal walls of the heating bath are cooled by the coolant circulation in the internal piping system. The heating bath has an outlet for liquid glass in the form of overflow, which limits the glass melt height in the heating bath to a value from 20 mm to 300 mm, preferably from 50 to 200 mm and, in particular, from 70 to 120 mm.EFFECT: reduced energy consumption.15 cl, 1 dwg
ethod of production of colored glass products // 2626477
FIELD: chemistry.SUBSTANCE: method of production of coloured glass products includes the following stages: preparation of raw materials, compilation of charge, melting of glass mass, moulding of products and their subsequent cooling. At the cooling stage, when the glass surface reaches the temperature of 80°C, a composition obtained by ultrasonic mixing of the following components is applied to it: a colloidal polymer base, single-walled carbon nanotubes (SNT), and food colouring agents of a given colour. The content of SNT in the composition ranges from 0.005% to 0.2% of its total mass, and food colouring-from 0.04% to 10% respectively.EFFECT: increasing the adhesion of the coating to the surface of the glass colour and durability of the finished products.1 cl
ethod of obtaining solar-gel coating based on silicon dioxide // 2626105
FIELD: chemistry.SUBSTANCE: film-forming solution (FFR) containing TEOS-H2O-C2H5OH-HCl with a mole ratio of components of 1:3:2.5:1⋅10-3 by stirring it for 30 minutes at a temperature of 35-40°C. Subsequently, a modifying organic additive is added to the POR-the cold coating composition "КХП-19" or "КХП-23" in an amount of 0.5-1.5 wt % of the POR. Prior to coating the substrate, the POR is diluted with ethyl alcohol in a ratio of 1:(2-6) and stirred for 30 minutes. The heat treatment of the coated substrate is carried out at a temperature of 350°C for 15 minutes.EFFECT: increasing the integral coefficient light transmission.2 cl, 4 ex, dwg 2
Aqueous binder composition // 2625875
FIELD: chemistry.SUBSTANCE: invention relates to an aqueous binder composition comprising: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) the product of the soy protein; and optionally one or more of the following components of the binder; (3) sugar as the component; (4) urea.EFFECT: binder composition is particularly suitable as a binder for mineral fibers, or as an adhesive for a particleboard and other composites.14 cl
ixture for foamed glass production // 2625828
FIELD: chemistry.SUBSTANCE: foam glass material including sodium oxide hydrate, carbon, perlite, characterized by further content of sheet glass and/or container glass with the following ratio of components milled to a residue of not more than 10% on a sieve No. 008, wt %: sodium oxide hydrate 6.0-8.5; carbon 0.005-0.01; sheet glass and/or container glass 40.0-50.0; perlite - the rest.EFFECT: decreased temperature of foam glass synthesis.1 tbl

ethod of forming electric conducting films selective with regard to moisture content in air framework, by interaction on surface of oxid water-soluble polymer oxides and potassium (ii) potassium hydrogen (ii) // 2625827
FIELD: chemistry.SUBSTANCE: poly-N,N-dimethyl-3,4-dimethylenepyrrolidium chloride is applied to the oxide glass substrate by drawing from an aqueous solution with a concentration of 5-20 wt % with a constant speed of 2-3*10-6 m/s. Then, hexacyanoferrate (II) of potassium is applied on top of it using an ultrasonic spraying method in an amount that provides a mass ratio of potassium hexacyanoferrate (II) to poly-N,N-dimethyl-3,4-dimethylenepyrrolidium chloride, equal± to 2.30.1:1, resulting in the formation of poly-N,N-dimethyl-3,4-dimethylenepyrrolidium cyanide.EFFECT: increase in electrical conductivity, increase sensitivity to the content of water vapor in the air and improve microhardness, uniformity.2 dwg

Device for carrying out the process of plasma chemical vapour deposition // 2625664
FIELD: electricity.SUBSTANCE: device comprises a cylindrical cavity formed in which the outer cylindrical wall surrounding the cavity resonator, which has a substantially rotationally symmetrical shape with respect to the cylindrical axis, the cavity also formed in portions of the side walls bounding the resonator cavity in opposing directions along the cylinder axis. Also, the device includes a microwave waveguide passing through the outer cylindrical wall of the cavity resonator. The length of the resonator cavity in the cylindrical direction varies as a function of the radial distance to the cylindrical axis of the cavity also comprises an annular element forming at least partially a lateral surface of said cavity in the cylindrical direction.EFFECT: cavity is more closely coordinated with the plasma, thereby reducing the likelihood of arcing.8 cl, 6 dwg
Briquette charge for manufacture of mineral fiber // 2625424
FIELD: chemistry.SUBSTANCE: briquetted charge for manufacture of mineral fiber, containing fine-grained waste processing granite by crushing fraction less 0.16 mm with a silica content of less than 60%, fine waste of processing of dolomite to a particle size of less than 0.315 mm and binder, as binder contains bentonite with the following ratio of components, wt %: waste from granite processing 70-76, processing waste of dolomite 20-25, bentonite remaining. The invention is developed in subclaims.EFFECT: increasing the strength of briquettes while increasing the acidity modulus of the melt charge, which increases the resistance of mineral wool during its operation.2 cl, 4 tbl

Strong terminal tie for the die // 2625406
FIELD: metallurgy.SUBSTANCE: spinneret comprises terminal tabs (1) connected to opposite end walls (2) of the spinneret, for heating the spinneret plate and the spinneret walls, each of said clamping tabs comprising: (a) an electroconductive plate comprising at least a first portion 1A) extending along the longitudinal axis (X1) from the first terminal edge (1D) substantially perpendicular to mentioned longitudinal axis (X1) and connected to the end wall (2) of the spinneret, and further comprising a second, free, terminal (1C) connected to the power source, and (b) at least one elongated reinforcing element (1B) connected to mentioned at least first region (1A) of mentioned plate to increase the bending moment of the latter, wherein said at least one elongated reinforcing element (1B) extends from or abuts the first terminal edge (1D) of the plate in a direction not parallel to said longitudinal axis (X1).EFFECT: improved resistance to thermal mechanical stresses.10 cl, 17 dwg

Bushing supply containing distribution manifold // 2624087
FIELD: chemistry.SUBSTANCE: bushing supply comprises (a) feeding unit located earlier in the processing chain waterglass than nodes (1A, 1B) of the first and second orifice plates, and in fluid communication spun with them, (b) the nodes (1A, 1B) of the first and second orifice plates extending in the longitudinal direction next to each other, each of which is surrounded by side walls and end walls. The nodes of the first and second orifice plates are separated from each other by the structure (21) ribs extending in mentioned longitudinal direction. The supply unit comprises a manifold (2) for distribution of glass, to which two channels are formed, the individual fluidly of nodes (1A, 1B) of the first and second orifice plates, and in that the structure (21) stiffener is integrally formed with the bottom the manifold (2).EFFECT: efficient amplification of orifice plates and high uniformity of the molten glass.11 cl, 5 dwg

Glassy unit package maintaining the capacity integrity // 2624083
FIELD: packaging industry.SUBSTANCE: strengthened glass capacity undergoes the strengthening process which creates the compression at a surface and stretching within the capacity wallside. The strengthening process is worked out in such a way that the stretching within the wallside is large enough to guarantee the capacity damage in case when the infertility is threatened by a full depth crack. The central stretching is superior or equal to the threshol tensile stress approximately 15 MPa. The storage power density is calculated by (CT2/E) ⋅ (t-2DOL)⋅(1-ν) and is equal or superior to 3.0 MPa⋅mcm where the CT is a tensile stress (MPa), E is a E-modulus of the glass, t is a capacity wallside thickness (mm), DOL is a layer depth (mm) at which tension vary with positive (positive contraction) on negative (stretching), u ν is a glass Poisson's transverse strain ratio.EFFECT: exclusion of any integrity violability of the pharmaceutical.15 cl, 9 dwg, 1 tbl
ethod of obtaining a decorative relief glass and decorative glass products (versions) // 2623749
FIELD: chemistry.SUBSTANCE: bottom of the mould is covered with a layer of powdered gypsum and covered with a layer of refractory paper. Then, the vertical laying of sheets and/or fragments of sheet glass is preferably carried out on the refractory paper, followed by heating to the bending temperature. Alternatively, the sheets and/or fragments of the sheet glass are laid in groups with the abutment of the flat side surfaces of the sheets and/or sheet glass fragments of the group to each other. The flat side surfaces of sheets and/or fragments of sheet glass in the group during laying are oriented along the direction specified for each group.EFFECT: obtaining a product with a light scattering effect and simplifying the method of obtaining it.15 cl, 5 dwg, 1 tbl

ethod of manufacturing crucible with quartz ceramic bottom branch pipe and device for its implementation // 2623404
FIELD: technological processes.SUBSTANCE: crucible preforms with a bottom hole are made separately from the branch pipe. In gypsum molds, inserts are installed with a gap equal to the wall thickness of the future crucible preform or the branch pipe. In the gaps, a slurry of quartz glass grits is poured. The preforms of the crucible and the branch pipe are formed. The inserts are removed, and the preforms are dried in gypsum molds in the air for, at least, 48 hours. The gypsum molds are removed. Assembly of the crucible preforms and the branch pipe is made into one product. The branch pipe is fixed in a tripod, onto which the support ring is mounted. Above, the crucible is fed in such a way that part of the branch pipe above the support ring protrudes at a small distance above the inner wall of the crucible. Between the gaps formed between the parts of the outer wall of the branch pipe and the bottom of the crucible, which are attached to fixing, a slurry is poured. Drying in the open air is not less than 72 hours. Then it is fired at a stepwise rise in temperature from 20 to 1200°C with an exposure of up to 2 hours at each temperature range, with a temperature rise rate of 50°C/hour up to 150°C/hour.EFFECT: obtaining a crucible with a quartz ceramic bottom branch pipe with a uniform wall thickness.2 cl, 5 dwg
ethod for manufacturing electric conducting thread from ultrathin glass fibers // 2623401
FIELD: electricity.SUBSTANCE: method for manufacturing a thread with the diameter of 80…95 microns from ultrathin glass (quartz, aluminosilicate or aluminoborosilicate) fibers with radar absorbing polymer coating modified by highly reactive activated graphite, comprising forming a polymeric resistive material solution by dissolving the polymer binder in a solvent and mixing the resulting solution with a carbon filler, applying the resulting mixture in the form of a shell on the central fiber by means of passing through the solution and the spinneret, removing the solvent from the resistive shell by drying the thread in the hot air stream, applying the coating to the glass thread is obtained by means of impregnating in the solution of polyvinyl butyral resin 2.5…6.7 g/l and chemically activated graphite 25…60 g/l in acetone or isopropyl alcohol under influence of ultrasonic wave (standing wave) resonance at the outlet from the impregnating bath.EFFECT: high resistance to friction and bending, high resilient properties of the thread.3 dwg, 3 tbl
ethod of sealing glass-ceramic with metal detail // 2623386
FIELD: physics.SUBSTANCE: method involves mounting the metal part on the glass-ceramic block, creating a roller between the surfaces to be joined by spraying the heated metal powder at an angle of 75-90° to the plane of the surface. The powder is sprayed at a temperature of 150-180°C for 8-10 minutes.EFFECT: increasing the accuracy and reliability of the metal anode connection to the electrode block of the electrodes in the manufacture of a ring laser gyroscope.1 cl
Green glass // 2622968
FIELD: chemistry.SUBSTANCE: glass comprises the following in wt %: SiO2 64.6-66.3; CaO 4.3-7.0; MgO 0.5-1.5; Na2O 11.0-15.0; K2O 0.5-1.0; Pr2O3 3.5-4.2; Cr2O3 0.2-0.4; B2O3 9.0-11.0.EFFECT: glass melting temperature decrease.1 tbl

Frit materials based on vanadium and its production methods // 2622942
FIELD: metallurgy.SUBSTANCE: frit contains wt %: vanadium oxide 50-60, barium oxide 27-33, zinc oxide 9-12, additive selected from SrCl2, Ti2O3, SnCl2, 1-8.EFFECT: frit melting point decrease.11 cl, 20 dwg, 11 tbl

Lubricating composition for glass fibre // 2622567
FIELD: chemistry.SUBSTANCE: lubricating composition for glass fibre comprises: (a) a mixture of a binding agent based on silane, (b) a film former, (c) additives, wherein the mentioned mixture of the binding agent based on silane comprises (d) at least 15 wt % of at least one dialkoxysilane, and (e) at least 20 wt % of at least one unsaturated ester silane, containing an olefinic double linkage activated by an ester functional group, wherein wt % is measured relative to the total weight of active solids in the binding agent based on silane.EFFECT: improved mechanical properties of polymer composites reinforced with glass fibre, having a coating of the mentioned lubricant.20 cl, 1 tbl, 2 dwg
ethod and device for manufacturing glass products, which have handles // 2622424
FIELD: personal demand items.SUBSTANCE: it includes a mould (10), which is a one-piece construction and defining a cavity (12) for forming a configuration provided for the article and the handle, and having a transverse channel (16) leaving a cavity for moulding the one and the other sides of the openings (30) to form handles. It also includes a tool (40) for forming a moveable translationally between a retracted position in which it is out of the transverse channel (16) and forming a position in which it is introduced into the transverse channel (16). Kern (48) introduced into the cavity (12) for forming a compression therein glass droplets (G) and forming the container and the handle, while the tool (40) for forming is in the moulding position and can be removed from the cavity in the recess when the tool (40) for forming is in the retracted position.EFFECT: method for continuously and at high speed to manufacture articles with one or more handles without forming stitches.15 cl, 11 dwg

ethod for protective oleophobic processing of thin film electroducing optical coatings on glass // 2622281
FIELD: chemistry.SUBSTANCE: thin-film layer is applied by method of physical deposition from magnetron discharge plasma of mixed atmosphere of working gases directly onto the surface of coated glass side. As the layer material, an oxygen diffusion barrier for oxygen diffusion is used, comprising a combination of at least two elements selected from group consisting of Ti, Si, Zn, Sn, In, Zr, Al, Cr, Nb, Mo, Hf, Ta and W. The mixed atmosphere of working gases includes the spray component - argon, reaction component - oxygen and the stabilizing component - nitrogen. The mixture pressure of working gases is maintained in the range from 2.2·10-3 Mbar up to 2.8·10-2 Mbar, the specific deposition rate of the protective layer material is maintained in range of 2.4·10-7 up to 4.6·10-6 Nm/(W·s), and partial concentration of the stabilizing constituent of working gases atmosphere is maintained in range from 20% to 40%.EFFECT: increase of protective properties of thin-film electroconductive optical coatings on glass.3 cl, 8 dwg, 1 tbl
Gel for thinning of glass shell of microwires // 2621336
FIELD: chemistry.SUBSTANCE: invention relates to a chemical surface treatment of noncrystalline high-permeability microwires with diameter up to 35 microns with glass sheath up to 10 µm, intended for the manufacture of SMA-sensors, in particular to the uniform etched glass shell microwires. The gel contains propylene glycol, water, ammonium fluoride acid, ethyl alcohol, sucrose. The proposed gel for etching has a low toxicity due to a decrease in the concentration of active fluoride ions and a relatively high uniformity of etching.EFFECT: use of the gel provides the possibility of etching the glass envelope at a high speed up to a roughness of not more than 100 nm, as well as complete removal of the glass shell without the formation of ulcers and uneven etching of the microwire, while the gel has less toxicity due to a decrease in the concentration of the active fluoride ions.3 ex

Sizing composition for fibers, namely for mineral fibers based on humic and/or fulvic acid and obtained insulation products // 2621243
FIELD: chemistry.SUBSTANCE: invention relates to a sizing composition containing no formaldehyde, for products based on mineral fibers such as glass or stone fibers, which comprises at least one humic acid and/or fulvic acid or salts thereof, at least one saccharide and at least one ammonium salt of an inorganic acid. The invention also includes obtained products, such as impregnated veils, mats, felts, fabrics, and thermal and/or acoustic insulation materials based on mineral wool, and a method for their preparation.EFFECT: obtaining of the sizing composition containing no harmful tars and not causing acid corrosion of glass fibers.15 cl, 25 ex, 4 tbl, 1 dwg

Improved glass-soldering materials and/or method for sealed insulating glass unit production, containing these materials // 2621235
FIELD: construction.SUBSTANCE: glass-soldering material is exposed to infrared radiation from at least one infrared radiation source operating at the first voltage for the first predetermined period of time. The operating voltage of at least one infrared radiation source is reduced from the first to the second voltage during the second predetermined period of time so as to reduce the infrared energy acting on the solder glass. Then the operatimg voltage of at least one infrared radiation source is increased from the second to the third voltage during the third predetermined time period, so as to increasethe infrared energy acting on the solder glass. Then forced or spontaneous cooling of glass-soldering material is performed during the fourth predetermined period of time.EFFECT: reduced time of heating to obtain solder, reduced stress on the glass substrate.29 cl, 12 dwg, 2 tbl
Ink glazes for digital printing // 2620808
FIELD: printing.SUBSTANCE: invention relates to ink glazes for digital printing, method of their manufacturing and the use of the noted glaze composition for the functional and/or decorative coating of ceramic and/or metallic material. Ink glazes for digital printing include a solid component obtained from organic and/or inorganic materials and dispersed in a polar and/or the aqueous liquid component. The solid component, where the particulates size is less than 40 microns, is from 10 to 70% of the total ink weight, and comprises: at least a charge material (flux), frit or ceramic raw material and the deposition preventing agent. The liquid component includes: water of at least 5% of the total ink weight, and at least 2% of one or more nonaqueous polar solvents of the total weight and additives.EFFECT: invention provides producing ink glazes for highly-productive digital printing.16 cl, 1 tbl
ethod for obtaining liquid glass // 2620659
FIELD: chemistry.SUBSTANCE: preparation of a liquid glass includes the preparation of a suspension where a silica-containing amorphous substance is used as a silica-containing material in the form of a residue after acid leaching of serpentinite with a solution of ammonium hydrogen sulfate with a fraction larger 0.15 mm, which is ground to particles with an average effective diameter of 0.1-0.2 mm. The iron-containing particles are separated by magnetic separation and solid sodium hydroxide is added. The resulting mixture is ground to a uniform state and to particles with an average effective diameter of 0.1-0.2 mm and heat-activated at a temperature of 175-200°C for 20-30 minutes. Then hot water with a temperature of 58-68°C is added and stirred until a suspension of the silica-containing amorphous substance is obtained in a solution of sodium hydroxide.EFFECT: reduction of the time required for the hydrothermal treatment of a silica-containing substance suspension in a sodium hydroxide solution to produce a better liquid glass.12 ex
Crystal glass // 2620522
FIELD: chemistry.SUBSTANCE: crystal glass comprises the following in wt %: SiO2 45.0-50.0; PbO 23.8-24.2; K2O 16.0-17.0; ZnO 1.3-2.2; CdO 1.5-1.9; TiO2 0.2-0.4; B2O3 5.7-9.4.EFFECT: increased heat resistance of glass.1 tbl
Pickling solution for processing the surface of glass products // 2620517
FIELD: chemistry.SUBSTANCE: pickling solution for the surface treatment of glass products containing ammonium bifluoride, hydrofluoric acid, water, additionally contains glycerin at the following ratio of components, wt %: ammonium bifluoride 35.0-40.0; fluorosilicic acid 15.0-20.0; glycerol 2.5-3.2; water - the rest.EFFECT: increased etching process rate.1 tbl

irror with optional layer of protective paint and/or method of producing thereof // 2620325
FIELD: chemistry.SUBSTANCE: method of producing a mirror comprises preparing of a wafer, depositing a multilayer thin-film coating on a wafer, including following in order of movement from the wafer: the first silicon-containing layer, a metal layer comprising aluminum, the second silicon-containing layer, and applying of a protective paint using liquid method directly on top and in a direct contact with the remotest layer of a multilayer thin-film coating. The protective paint is applied so that its density after curing amounts 5-100 grams per square meter, and protective paint curing is carried out. After the mentioned curing the protective paint is capable of withstanding 85°C temperature affect for seven days at 85% of relative humidity and withstanding 49°C temperature for seven days at 100% of relative humidity.EFFECT: high resistance to temperature.25 cl, 10 dwg
ethod for cordierite glass ceramic material production // 2619570
FIELD: chemistry.SUBSTANCE: method comprises magnesium aluminium silicate glass wet grinding to obtain an aqueous slurry with a density of 2.06-2.20 g/cm3, pH of 8.0-9.5 and fineness with a residue of 6.0-12.0 % on a 0.063 mm sieve in the presence of a polyacrylic acid sodium salt in an amount of 1.6-2.0 % by volume of the dispersion medium to be loaded. Preform are moulded and heat treated with a lifting speed and temperature lowering of not more than 500°C per hour. The heat treatment of preforms is carried out in two stages - the first stage temperature is 850°C held for 3 hours, and further holding for 1-3 hours at a temperature in the range of 1330-1350°C.EFFECT: simplification of glass-ceramic material production process.2 ex, 1 tbl
Glass // 2619564
FIELD: chemistry.SUBSTANCE: glass comprises the following in wt %: SiO2 50.0-55.0; K2O 7.0-10.5; Na2O 10.0-15.0; B2O3 1.0-3.0; ZnO 7.6-12.3; CdS 1.0-2.0; Se 0.2-1.0; at least one oxide from the CaO, BaO, SrO 7.0-9.0; Sb2O5 0.2-0.5; PbO 4.0-5.0 group.EFFECT: higher refractive index.1 tbl

ethod and device for producing glass hollow spheres // 2618757
FIELD: physics.SUBSTANCE: method for producing glass hollow spheres, includes producing glass melt, lightening melt, subsequent creating the rope-formed melt flow, separating the melt particles from the stream, and directing them with acceleration to the technological area. The technological zone consists of two sections. The first section of the technological zone has a temperature set lower than the melt lightening temperature and/or a pressure above the pressure limit, and a reducing atmosphere is created. The second section of the technological zone has a temperature set above the melt lightening temperature and/or a pressure below the pressure limit, and an oxidizing atmosphere is created.EFFECT: simplifying the method for producing glass hollow spheres and improving the accuracy of the granule preparation with the given size.32 cl, 3 dwg
Glaze // 2618741
FIELD: chemistry.SUBSTANCE: glaze comprises the following in wt %: SiO2 47.0-50.0; Al2O3 10.3-12.5; B2O3 6.0-8.5; CaO 19.9-20.6; MgO 1.0-2.0; Na2O 2.3-3.0; K2O 2.1-2.81; SrO 2.0-4.0; CdO 2.0-4.0.EFFECT: increased frost resistance of glaze.1 tbl
Production method for decorative glass or mirror inserts in interior doors, on ceiling, in niche // 2618258
FIELD: construction.SUBSTANCE: self-adhesive stencil with a decorative pattern divided into separate zones is applied to the front surface of the glass or mirror. Then, in these zones grooves vertically oriented to the surface of the glass or mirror with edges of at least 0.8 mm in width are made by sand blasting. Further, these grooves are filled with paint. The paints are poured into the grooves in the volume sufficient for complete filling of the grooves without them overflowing.EFFECT: improved clearness and fine pattern granulation.2 cl
ethod of obtaining portionally clear glasses of the system of germanium - sulfur - iodine // 2618257
FIELD: physics.SUBSTANCE: germanium, sulfur, iodine is loaded into the reactor, melted and quenched glass-forming melt. The iodine source is germanium iodide (IV). Intermediate alloys are obtained from the charge. The target glass-forming melt is obtained by thermal decomposition of intermediate alloys in a two-section reactor in the dynamic vacuum mode at a controlled heating rate and removal of iodide germanium (IV) from intermediate alloys upon their decomposition to achieve the desired macronutrient of the glass-forming melt.EFFECT: decrease in the content of optically active impurities.2 ex

ulti-film sleeved feeder for forming fiber from melt rocks // 2618256
FIELD: mining.SUBSTANCE: in the construction of the feeder slot, consisting of the side walls of the housing, the end walls of the housing, the flange junction, current leads, current transfer consoles, perforated screen heater, the die plate with spinnerets, some rocks melt heating functions transferred to the screen heater. The thickness of the perforated screen heater thickness varies from 1/5 to 1/2 spunbond field, depending on the acidity of the used melt module rocks. The installation height of the perforated screen heater above the upper plane of the spinneret plate with spinnerets is in the range of 5-15 mm depending on diathermancy melt.EFFECT: increased productivity by reducing feeder wettability, reduction of emission spunbond field, reducing operating current feeder.2 dwg

Die for glass rod manufacture (versions) // 2618245
FIELD: chemistry.SUBSTANCE: die for glass rod manufacture is a plate with a hole, the shape and size of which are determined by the shape and size of the glass rod. For one version, the hole edge portion corresponding to the straight portion of the glass rod cross section is concave with curvature radius calculated by the formula. In accordance with another version, the hole edge portion corresponding to the convex portion of the glass rod cross section is convex, with curvature radius calculated by the formula.EFFECT: possibility of glass rods manufacture directly from the glass block, excluding preform manufacture, grinding and polishing.2 cl, 5 dwg
Enamel coating // 2618236
FIELD: chemistry.SUBSTANCE: enamel coating comprises the following in wt %: SiO2 41.0-43.0; TiO2 13.0-17.0; Al2O3 24.0-27.0; B2O3 8.0-10.0; MgO 1.0-1.5; K2O 2.0-4.0; CaO 0.5-1.5; MoO3 2.5-4.0.EFFECT: increased acid resistance.1 tbl

Glass welding method // 2617825
FIELD: chemistry.SUBSTANCE: method of cooking glass includes the thermal effect on the charge in the glass furnace of flue gases. For the preparation of the charge, raw materials are used in a finely divided powder state, which are mixed and granulated. Thermal action on the resulting raw bead granules is carried out in the suspended state, which ensures the dispersion cooking of the raw granules in the rising flue gas stream. The velocity of the flue gases in the dispersion zone of the glass melting furnace exceeds the rate of growth of the granules of the maximum size.EFFECT: reduction of the time of glass cooking, increase of productivity and energy efficiency of the process of glass welding.5 cl, 4 dwg
Ceramic pigment // 2617736
FIELD: chemistry.SUBSTANCE: ceramic pigment comprises the following in wt %: SiO2 14,0-18,0; Al2O3 16,0-24,0; CaO 19,0-25,0; Fe2O3 30,0-34,0; BaO 4,0-6,0; at least one; oxide from the group Na2O, K2O, Li2O 4,0-6,0. The colour of the pigment is brown.EFFECT: lower fusion temperature of pigment.1 tbl

Luminescent phosphate glass // 2617662
FIELD: chemistry.SUBSTANCE: invention relates to luminescent materials. Luminescent phosphate glass contains, mol%: Na2O – 33, P2O5 – 33, Ag2O – 0.1, Cu2O – 0.1 and ZnO – 33.5. EFFECT: technical result consists in improvement of quantum yield of luminescence glass with transition metals.1 cl, 3 dwg

Selective soldering method of the photonic crystal waveguide external shells with hollow core // 2617650
FIELD: nanotechnology.SUBSTANCE: sample end surface soldering method includes the rotating around a horizontal axis with an angular velocity from 1 to 800 rev-1, heating upto the temperature not more than 70 °C above the softening beginning temperature of the sample material, the heating is carried out for less than 4 s., after which the sample is cooled by the directed gas flow.EFFECT: increase of the photonic crystal waveguides with a hollow core percentage output with the uniformly selectively soldered external shells, the stability of the obtained samples during its further chemical modification.1 dwg, 3 ex

ethod of brittle materials cutting // 2617482
FIELD: ceramic industry.SUBSTANCE: invention relates to methods of brittle materials cutting (thermo cracking), such as plates from any type of glass, all types of ceramics, as well as semiconductor materials, and can be used in automotive industry for glasses and mirrors production, in electronic industry, as well as in other industries. Method comprises heating material surface of along cutting line using laser beam, creation of blind material cut along cutting line, additional effect on material surface in cut application area with resilient waves, material surface heating zone cooling using coolant, wherein resilient waves act on material surface in cooling agent action area. Additional effect on material surface is performed, at least, by two sources of resilient waves, which are arranged on material opposite sides across cutting line, wherein waves are produced, which amplitude and frequency are selected under condition of resilient standing wave area generation in material with periodic change of mechanical stresses, combined with heating area, for cut deepening to specified depth or through cutting. Heating zone is formed by pulsed laser beam, and resilient standing wave areas are combined with formed heating zone, wherein laser radiation maximum intensity is combined with time of mechanical stresses maximum unloading. Additionally several pulse laser beam heating zones can be formed to create additional cutting lines.EFFECT: technical result consists in increase of materials cutting speed and increase in cut material thickness.3 cl, 1 dwg
ethod for producing photosensitive chemically deposited films of lead selenide // 2617350
FIELD: chemistry.SUBSTANCE: lead selenide films are deposited on a substrate of dielectric materials from aqueous solutions containing a salt of lead (II), ethylenediamine, ammonium acetate, selenourea, ascorbic acid in an amount of 0.001-0.01 mol/l being introduced into the solution during the deposition as an antioxidant for selenourea, with the subsequent heat treatment of the deposited films in air at 503-583 K.EFFECT: increasing the photosensitivity of lead selenide films to IR-radiation, reducing the sensitizing heat treatment temperature by 90-140 K.1 tbl
ethod for space-selective crystallisation of glass // 2616958
FIELD: chemistry.SUBSTANCE: invention relates to optical materials science. Space-selective crystallisation of glass is induced by femtosecond laser. Laser beam is passed through a prism telescope or cylindrical lens to a focusing lens creating an elliptical cross-section beam waist with a major to minor axis ratio of at least 2:1, wherein the major axis is oriented along the crystal growth direction. The glass composition is as follows, mol %: La2O3 23-26, B2O3 23-26, GeO2 49-52 or La2O3 20.9-26, B2O3 23-27, GeO2 49-52, Nd2O3 0.1-3. The beam movement speed along the glass is 10-50 mcm/s and laser pulse energy is within 0.5-2.5 mcJ.EFFECT: achieved homogeneous crystal lines within the glass volume.6 dwg, 3 ex