Layered products (B32)

B32            Layered products(3978)
Surface treated yarn and fabric with enhanced physical and adhesion properties and method of making same // 2614278
FIELD: textile and paper.SUBSTANCE: invention relates to technology of producing modified polymer fibres with high specific strength and concerns yarn and fabric, characterised by presence of treated surface with improved physical and adhesion properties. Fibre is modified by plasma treatment or treatment with corona discharge, and it is characterised by specific strength of at least approximately 33 g/denier at ambient room temperature.EFFECT: invention enables modification of fibres without deterioration of characteristics of physical strength.16 cl, 6 tbl, 40 ex
ethod of ceiling tiles deflection reducing and ceiling tiles // 2613710
FIELD: construction.SUBSTANCE: invention relates to acoustic ceiling panels. Coated ceiling tile with high stability of geometrical dimensions contains basic ceiling tile, having face front and rear side opposite to front side. Front side is directed inside room and visible for people in room, when coated ceiling tile is installed in room. Thin coating with thickness from approximately 100 mqm to approximately 1,000 mqm is applied on said rear side. Said thin coating consists of twisted matrix of calcium sulfate dihydrate crystals, applied on rear side, which provides ceiling tiles deflection reduction, wherein providing sound absorption by coated ceiling tiles, without sound reflection back to room filled with people.EFFECT: front side does not contain thin coating.5 cl, 3 tbl, 4 ex
Bimetallic thin strip and its production method // 2613543
FIELD: metallurgy.SUBSTANCE: bimetallic strip contains an aluminum-based primary layer in the annealed condition and at least one copper-based cladding layer in the annealed condition. The ratio of the ultimate strength values of the cladding layer and the primary layer is greater than 1, and the ratio of the thickness values of the cladding layer and the primary layer is defined by the following condition: Ncl/Npl<0.2235(σcl/σpl)-0.628, where Ncl, Hpl are thicknesses of the cladding layer and the primary layer in mm; σcl, σpl is the tensile strength of the cladding layer and the primary layer in MPa. During manufacturing of bimetallic strips joint rolling of prepared layers, diffusion annealing, cold post-rolling followed by annealing are performed. Diffusion annealing is carried out when the total deformation determined by the following condition is achieved: E=-0.0543(Ncl/Npl)2+2.5686(Ncl/Npl)+49.4, where E is the total deformation of the tape from the initial state. Each subsequent annealing is carried out when the total deformation determined by the following condition is achieved: E≤-0.23(Ncl/Npl)2+9.8(Ncl/Npl)-11.2.EFFECT: no ruptures in cladding tapes and, as a consequence, an increased product yield.2 cl, 2 dwg, 1 tbl
ethod for producing composite articles with inner cavity by means of explosion welding // 2613511
FIELD: technological processes.SUBSTANCE: according to the method, a cavity-forming bimetallic element in the form of a tube with the outer niobium layer 0.8-1.2 mm thick and the inner titanium layer 4-6 mm thick is taken, and a central cavity-forming glass element with the wall thickness of 10-15 mm and with the outer diameter 2-4 mm less than the inner diameter of the cavity-forming bimetallic element is placed coaxially inside it; the gap therebetween is filled with an aqueous filler. After sealing, the resulting assembly is arranged coaxially inside the tubular bimetallic shell made with the outer aluminium layer 1.5-2.5 mm thick and the inner nickel layer 1.2-1.6 mmthick; in the gap therebetween a tubular intermediate copper layer with the wall thickness of 1.5-2.5 mm is coaxially arranged; weld explosion is performed, with the subsequent annealing of the welded blank at regulated modes.EFFECT: result, all-welded composite article of cylindrical shape with an internal cavity is produced in one act of explosive impact with subsequent annealing, without disturbances of axial symmetry and tightness of the metal layers.3 dwg, 2 tbl, 3 ex

Composition welding wire // 2613006
FIELD: metallurgy.SUBSTANCE: composition welding wire for repair by fusible welding of the gas turbine engine parts made of heat-resisting alloys based on nickel, cobalt or iron, comprises a core and a surface layer applied and connected to it, containing boron and/or silicon. The total content of boron and/or silicon in the composition welding wire is calculated by formula where C∑ is the total content of boron and/or silicon in the welding wire; D' is the diameter of the welding wire; CSL is the content of boron and/or silicon in the surface layer; T is the thickness of the surface layer, wherein C∑ is 0.1-10 wt %.EFFECT: prevention of the cracking in the heat affected zone due to the fusible welding and argonarc welding of the dispersion-hardened heat-resisting alloys.17 cl, 13 dwg, 1 tbl, 6 ex
Fire-resistant cellulose-bitumen roofing sheet and method of manufacturing // 2612740
FIELD: pulp industry.SUBSTANCE: invention relates to bitumen-impregnated cellulose fiber sheets containing one of its surface layers an adhesive primer and deposited on said layer of adhesive primer a fire-resistant coating containing expandable graphite. Bitumen impregnated sheet has corrugations, said layer of adhesive primer is a polymer or a mixture of polymers selected from thermoplastic resins, and said expandable graphite is coated with a dry deposition of said layer of adhesive primer. Bitumen-impregnated sheet additionally contains a layer of paint, deposited on fire-resistant coating, wherein said paint contains a polymer selected from thermoplastic resins. Sheets are primarily intended for use as facing material, and in particular, roofing material.EFFECT: sheets are characterised by fire-resistance which satisfies, in particular, the European Standard EN 13 501-5 document.12 cl, 2 tbl

Packaging laminate for packaging container, as well as packaging containers produced from packaging laminate // 2612690
FIELD: construction.SUBSTANCE: invention relates to a packaging laminate for a packaging container, as well as to packaging containers produced from packaging laminate. Packaging laminate which, after filling and sealing by thermosealing, is to be subjected to a shelf-life-extending heat treatment in a retort with steam as heat medium, includes a layer of paper or paperboard, whose one surface has a printable coating of pigment and adhesive or binder component, in contact with paper or paperboard layer, other side of paper or paperboard layer having a coating of pigment and adhesive of same type as printable coating in contact with paper or paperboard layer.EFFECT: invention provides easy and efficient production of folding packaging laminate.20 cl, 4 dwg

Composite reinforcement // 2612284
FIELD: construction.SUBSTANCE: invention relates to construction, namely non-metallic composite reinforcement, which is used for reinforcing thermally insulated wall structures, monolithic concrete and prefabricated structures, for use in structural elements of buildings in the form of individual bars for reinforcing the foundation bed of buildings and structures, including foundations for highways and roads, and for anchoring retaining walls and structures in the ground. The invention comprises a support rod of glass or basalt roving and high modulus fibers impregnated with a binder. The binder is a composition of epoxy-diane resin, polyethylene amine hardener, dibutyl phthalate plasticizer and carbon nanocomposite additive in the amount of up to 1% by volume of the binder resin. The additive contains multi-layer carbon nanotubes in the quantity of no less than 45-50% by weight of carbon nanocomposite additions; it is made of brown sphagnum in conditions of mechanic activation of its pyrolysis products for at least 8 hours of treatment.EFFECT: invention allows to obtain reinforcement with high elastic modulus with reduced amounts of high-modulus fibers being used, which allows to meet the requirements of reinforced products in terms of their degree of deformation.2 dwg

ethod for making decorative finish panels // 2611073
FIELD: construction.SUBSTANCE: method for making decorative finish panels consists in forming bundles of natural veneer sheets with bonding between the sheets. Then the assembled pack of sheets of natural veneer are compressed under high pressure. After polymerization of the binder the bundles are cut into sheets in the form of decorative finish panels. To give the assembled pack a waveform shape, high pressure compressing is carried with use of opposing transverse loadings, which on one side of the assembled pack are offset along the length of the assembled pack to the loading on the other side, or by means of using clamps interspaced along the length of the assembled pack and offset from each other in the transverse direction. The pack is then cut across or along its length to form waveform decorative and finishing panels. After the high-pressure compression the loading force is applied to the assembled pack to allow for polymerization of the binder.EFFECT: reduced power loads during pressing of assembled packs of veneer sheets and strips.3 dwg
ethod for producing abrasion resistant, electroheated, polymeric layered material // 2610774
FIELD: construction.SUBSTANCE: invention relates to multi-layer lightweight impact-resistant glazing details with the usage of polymeric glass; it can be applied in many industries. Multi-layer glass manufacturing method includes assembling a package from the glass sheets, where organic glass is coated in vacuum with metal or semiconductor coverage as the outer layer, as the innermost layer - a poly-carbonate layer, and the glass is joined by autoclave pressing with the help of polyurethane gluing envelope, wherein the inner surface of an organic glass and poly-carbonate before gluing an adhesive layer on the basis of poliviniletilalya not more than 20 mm along the perimeter is applied, wherein the metal coverage area is selected from the indium, tin, aluminum, and silver groups; semiconductor -from the group consisting of copper sulfide, indium oxide and tin oxide.EFFECT: production of multi-layered glass with an improved physical and mechanical features.1 tbl, 4 ex

Binding layer containing structure // 2610511
FIELD: manufacturing technology.SUBSTANCE: method of layered structure making includes following stages: (A) adhesive binding composition formation, containing mixture of: (1) 100 wt% per total weight of elastomer in adhesive binding composition of, at least, one halogenated isobutylene-containing elastomer; (2) from approximately 20 to approximately 50 wt% per total weight of adhesive binding composition of, at least, one filler; (3) from approximately 0 to approximately 30 wt% per total weight of adhesive binding composition of, at least, one process oil; (4) from approximately 1 to approximately 20 parts per hundred (phr) of, at least, one stickiness imparting agent; and (5) from approximately 0.1 to approximately 15 parts per hundred parts (phr) of rubber vulcanizing system for said elastomers; (B) formation of composition, preventing fluid medium ingress, wherein composition contains (1) at least 10 wt% per total weight of polymer composition of, at least, one technical polymer thermoplastic component, having Young's modulus greater than 500 MPa, where technical polymer thermoplastic component is selected from group consisting of polyamide resins, polyester resins, polynitril resins, polymethacrylate resins, polyvinyl resins, cellulose resins, fluorinated resins, as well as imide resins, (2) at least 10 wt% per total weight of polymer composition of, at least, one elastomeric component, having Young's modulus of not more than 500 MPa, where elastomeric component is selected from group consisting of diene rubbers, halogen-containing rubbers, silicone rubbers, sulphur-containing rubbers and fluorinated rubbers, and (3) from 2 to 30 parts per hundred parts of rubber in terms of component (2) total weight, plasticizer, wherein thermoplastic technical resin, elastomer and plasticizer are mixed under conditions of dynamic vulcanization in order, to disperse elastomer as disperse phases in solid matrix from thermoplastic technical resin; (C) forming film from composition which prevents fluid medium ingress; (D) processing film preventing fluid medium ingress to remove residual plasticizers or oils from film surface to form processed film; and (E) direct coating of treated film one surface with adhesive binding composition for, to form layered structure.EFFECT: invention relates to layered structure suitable for use as pneumatic tire inner layer.17 cl, 3 dwg, 4 tbl

Radar reflection damping glazing // 2610079
FIELD: radar ranging.SUBSTANCE: invention relates to radar reflection damping glazing for use as high-rise buildings windows glass or facade finish in vicinity of airports. Glazing comprises first substrate and second substrate located by area above first substrate, first radar radiation reflecting structure on outer surface or on first substrate inner surface and second radar radiation reflecting structure on inner surface or on second substrate outer surface. First radar radiation reflecting structure is electrically conductive coating, in which linear regions with remote layer are introduced. Regions with remote layer lines width is equal to 1 mm or less.EFFECT: invention provides creation of radar reflection damping glazing, which is optimally combined with other functional coating, allows free optical, colour finishing and is thin.20 cl, 7 dwg, 1 ex
Polymer materials // 2609798
FIELD: chemistry.SUBSTANCE: invention relates to polymer materials, for example to products based on a polyester composition for use in production of packaging, such as packing container, preform for container, to a method of making same. Articles for production of packing container or preform for container comprise a polymer composition, for example, based on polyethylene terephthalate and contains 5 mln-1 to 150 mln-1 tungsten oxide particles of general formula MxWyOz, for example -WO2.72 or WO2.9, and where M is one or more metals, W is tungsten, O is oxygen. Articles in form of preform for packing container is made using injection molding of polyester composition containing tungsten oxide particles.EFFECT: invention enables fast and efficient heating of various heat-molded articles, for example preforms for packaging containers, while maintaining transparency and achromaticity of articles when using tungsten oxide with such level of quantitative content of tungsten oxide particles in composition.23 cl, 6 dwg, 2 tbl, 9 ex

ethods of producing stretchable elastic laminar materials // 2609797
FIELD: manufacturing technology.SUBSTANCE: invention is aimed at methods for producing stretchable elastic laminar materials with improved properties. Present invention is aimed at methods for production of laminar materials fabric-elastomer with uniform fabric destruction in extension of laminar material by 50 % or even by 100 % or more at least in one of machine direction (MD) or crosswise direction (CD). In particular, it has been found that by weakening one or more layers of cellulose material of elastic laminar material before, during or after lamination or binding and, in particular, fabric based on paper laminate material fabric-elastomer, laminar material acquires a fabric-like appearance and becomes soft on touch similar to conventional elastic nonwoven laminar materials.EFFECT: obtained elastic laminar materials have improved mechanical strength.20 cl, 12 dwg, 3 ex

Heat insulating plate // 2609165
FIELD: construction.SUBSTANCE: invention relates to multilayer heat insulation plate for buildings. Heat insulation plate includes highly efficient insulating layer, located at least on one side with lining, and basic layer, located at least on one of surfaces of lining, wherein basic layer is based on polyisocyanate, wherein highly efficient insulating layer represents rigid polyurethane or polyisocyanurate foam and lining is made of aluminium or paper.EFFECT: invention improves heat insulation, increases adhesion between all layers over service life of heat-insulating plate.9 cl, 4 dwg, 5 tbl

Cellular structure producing device and method // 2609117
FIELD: manufacturing technology.SUBSTANCE: invention relates to S-type cellular structure production method and device. Foil pack is supplied into space between rotating rods. Performing rods rotation until complete foil pack folding into forming mold. Simultaneously actuating crimping mold for reduction of forming mold inner cavity to first value. Then removing rods from folded structure and pushing it into casing.EFFECT: higher precision of cellular structure manufacturing.8 cl, 6 dwg

Panel with fire-protective properties // 2609044
FIELD: fire safety.SUBSTANCE: invention relates to panels with fire-protective properties. Panel (22) includes metal coating (12, A), insulating layer (D) of a foamed material and at least one fire protection layer (B, C) between metal coating (12, A) and insulating layer (D) of a foamed material. Fire protection layer (layers) (B, C) contains a dispersion of foamed graphite in polyurethane/polyisocyanurate polymer matrix with the isocyanate index of 1.8 and more.EFFECT: method of making panel (22) includes provision of first metal coating (12, A) with at least one fire protection layer (B, C), application of insulating layer (D) of a foamed material in the form of a liquid reaction mixture on fire protection layer (layers) (B, C) and application of second metal coating (20, A) on insulating layer (D) of a foamed material.6 cl, 5 dwg

Glass with optically transparent protective coating and method of its production // 2608858
FIELD: optical system; manufacturing technology.SUBSTANCE: invention relates to glass with optically transparent coating and method of its production and can be used in production of optical elements of spacecraft. Glass with optically transparent protective coating has substrate of optically transparent glass and applied on substrate two-layer transparent coating. Coating consists of two layers, lower layer is nano-metal with thickness from 20 to 40 nm, upper ceramic layer is made of aluminium nitride and silicon nitride with thickness from 5 to 15 mcm with nanocrystalline or amorphous nano-crystalline or amorphous structure. Method consists of three stages: 1) bombardment of substrate surface with pulse-periodic high-energy beams of ions of coating lower layer metal, 2) unipolar pulse magnetron deposition of lower nanocrystalline metal layer, 3) bipolar pulse magnetron deposition of upper double-phase ceramic layer, carried out in single vacuum cycle.EFFECT: technical result consists in production of glass with high resistance to impact effect of high-speed solid particles.11 cl, 8 dwg, 3 ex, 2 tbl

Caisson stabilizer assembly and method of its production // 2608774
FIELD: manufacturing technology.SUBSTANCE: invention relates to thermoplastic composite structures, and concerns stabilizer assembly caisson and method of its production. Panel strengthening element comprises spar braided tubular belt from thermoplastic material, simultaneously cured with skin thermoplastic panel, outer woven tube from thermoplastic material, inner woven tube from thermoplastic material, located inside outer woven tube from thermoplastic material. Strengthening element comprises separating gasket layer, simultaneously cured between outer woven tube from thermoplastic material and inner woven tube from thermoplastic material. Separation gasket layer provides inner tube from thermoplastic material with woven filler hardening and resistance to impact damage to avoid structure loading capacity loss.EFFECT: invention provides creating of more effective stabilizers caisson units for vehicles and more technological methods of their production.15 cl, 29 dwg

ethod of making multilayer article and floor panel // 2608416
FIELD: construction.SUBSTANCE: group of inventions relates to construction materials, namely to floor panels. Floor panel contains core (3) of wood fibre with balancing layer on rear side and surface layer on front side of core. Surface layer contains sublayer (12) based on powder, paper layer (2), outer layer (1a) based on powder and paper outer layer (1b). Average length of fibres and outer layer based on powder is smaller than that of paper layer and paper outer layer. For making floor panel paper (2) is applied on one side of core (3). Decor (8) is created on paper (2) by application of digital print. Melamine formaldehyde resin is applied on paper (2). Decor (8) and paper (2) with resin are heated using infrared lamps. Resin is cured by application of heating and compression to produce multilayer article. In another version sublayer (12) based on powder containing wood fibers and thermosetting resin is applied on core (3). Non-processed paper is applied on sublayer is applied followed by application of protective layer on it, which contains melamine formaldehyde resin and aluminium oxide. Impregnation non-processed paper and cured resin is made by heating and squeezing to produce multilayer article.EFFECT: production of panels with high impact resistance and wear resistance and improved pattern surface.21 cl, 19 dwg
Use of diisononyl cyclohexanoate (dinch) in expandable pvc formulations // 2608410
FIELD: chemistry.SUBSTANCE: group of inventions relates to polymer chemistry and can be used for floor coatings, wallpaper or artificial leather. Invention also relates to a foamed molded article, floor coating, wallpaper and artificial leather, containing foamable composition. Foamable composition contains polyvinyl chloride, foaming agent and/or foam stabiliser and diisononyl ester of 1,2-cyclohexane dicarboxylic acid as a plasticiser. Polyvinyl chloride is emulsion PVC. Foaming agent used is a component which releases gas bubbles. As a catalyst for thermal decomposition of component which releases gas bubbles is a metal compound. Additives are selected from filler, pigments, heat stabilisers, antioxidants, viscosity regulators and agents facilitating sliding.EFFECT: providing higher expansion at equal temperature and holding time, reducing viscosity of plastisol, reducing yellowness index and increasing output of product per unit time.11 cl, 12 tbl
Sound absorbing wall covering // 2608408
FIELD: construction; acoustics.SUBSTANCE: invention relates to multilayer finishing sound absorbing materials and refers sound absorbing wall covering. Includes: (a) support layer made of organic polymer foam material, which open porosity makes 0.50–0.995, (b) surface layer made of glass-fabric material, which static resistance to air flow, measured according to ISO 9053 standard, ranges from 105 H•c•m-4 up to 106 H•c•m-4 and (c) intermittent adhesive layer, which surface density makes from 17 to 60 g/m2, at boundary between support layer (a) and surface layer (b). Invention also relates to said coating making method and to use of such coating for improvement of room or building acoustic comfort.EFFECT: invention provides creating wall coating, which provides acoustic comfort, id est reduction and optimization of reflected sound component.13 cl, 1 tbl, 8 ex
Sound absorbing wall coating // 2608407
FIELD: acoustics.SUBSTANCE: invention relates to multilayer sound absorbing finishing materials and to a sound absorbing wall coating. Includes: (a) a support layer, made of non-woven material based on organic fibres, having a multi-lobe cross-section, (b) surface layer, made of glass-textile material, for which static air flow resistance, measured according to ISO 9053, ranges from 105 N⋅s⋅m-4 to 106 N⋅s⋅m-4, (c) a discontinuous adhesive layer, whose surface density is equal to 17–60 g/m2, at boundary between support layer (a) and surface layer (b). Invention also relates to a method of making said coating and to use of such coating for improvement of acoustic comfort of a room or structure.EFFECT: invention enables to create a wall coating, which provides acoustic comfort, that is, reducing and optimising reflected sound component.16 cl, 1 ex

Composite element, for example coin // 2608290
FIELD: money.SUBSTANCE: invention relates to a cash currency circulation coin and a method of its production. Coin comprises outer ring (2), two inserts (4, 6) laid one onto the other and arranged inside external ring (2), at least one intermediate layer arranged between the two inserts. External ring (2) and two inserts (4, 6) are made from materials with multilayer coatings. Each insert (4, 6) has a surface with two opposite sides and an outer peripheral surface. External ring (2) and each of inserts (4, 6) are attached together by means of multiple cavities formed on the outer peripheral surfaces of the inserts. Each cavity is made in the form of a hole on the outer peripheral surface. Holes are inclined relative to the direction of laying the inserts, and the holes are inclined relative to a plane coplanar to the said opposite sides. Three main components and the intermediate layer can be turned into a single structure by an impact force during coinage or stamping.EFFECT: better protection against counterfeiting.18 cl, 7 dwg
Adhesive composition and use thereof // 2608028
FIELD: chemistry.SUBSTANCE: group of inventions relates to formulations for adhesive compositions and to adhesive compositions, in particular for hybrid adhesive substance, as well as to use of adhesive composition for making articles based on wood, as well as use of polyethers in adhesives based on amino resins. Composition contains at least one mixture of amino resin and at least one polyether, and a combination of mixture with isocyanate. Adhesive compositions are especially suitable for use as adhesive substances for wood-based materials, particularly of OSB boards, wood-fibre boards, or chipboards. In another aspect invention relates to production of such wood-based materials from lignocellulose grinding products, in particular to production of OSB boards, wood-fibre boards or chipboards, where lignocellulose grinding products are in contact with adhesive composition according to invention, then by pressing and thermal treatment wood-based materials is obtained. Finally, invention relates to wood-based materials obtained thereby.EFFECT: adhesive compositions and use thereof are disclosed.17 cl, 1 dwg, 1 tbl

Extruded preform and container made of polyethylene terephthalate and method for production thereof // 2607739
FIELD: manufacturing technology.SUBSTANCE: invention relates to methods and systems of blow molding with extrusion of polyethylene terephthalate (PET). Extruded PET-preform contains the first extruded polymer containing PET, and the second extruded polymer with characteristic viscosity 0.8–0.87 containing PET. First extruded polymer and the second extruded polymer are extruded together. First extruded polymer has characteristic viscosity higher than characteristic viscosity of the second polymer. Besides, extruded monolayer PET-preform for container blow moulding with extrusion. Extruded multilayer polymer is in hardened condition and has characteristic viscosity from 0.96 to 1.4 and stripped chain extenders.EFFECT: production of a product with no haze and/or banding, having high strength.15 cl, 4 dwg

Composite profile and preparation method thereof // 2607653
FIELD: chemistry.SUBSTANCE: invention relates to composite profile made of aluminium, plastic using secondary raw material. Described is a composite profile, comprising a core made of mineral substances, vegetable fibres, additives and plastic of a single type, characterised by that plastic core consists of plastic wastes, as additives contains maleic anhydride MA, and on external surface of core there is a protective layer, which fully covers outer surface of core and is formed by a layer of not used plastic of single type, wherein plastic protective layer and plastic core are related to same type, wherein core and protective layer are made on principle of coextrusion, wherein core and protective layer are integrated with each other only due to production on principle of coextrusion, wherein outer side of protective layer on opposite side of composite section is lined with decorative layer of aluminium foil. Also described is a method of making composite profile.EFFECT: technical result is obtaining high-quality construction profiles by coextrusion, which have strong connection, long service life, are durable and are widely used.7 cl, 6 dwg, 5 ex
Prepreg // 2607582
FIELD: materials.SUBSTANCE: invention relates to impregnated materials, such as prepregs and decorative impregnated materials or decorative coating materials. Prepreg, used for producing decorative paper or decorative coating material, is produced by impregnating decorative paper-base with a solution of an impregnating resin. Solution of impregnating resin contains at least one styrene-alkylacrylate-hydroxyethyl methacrylate copolymer, wherein alkyl denotes methyl, ethyl, propyl or butyl, and at least one water-soluble polymer, selected from starch or dextrin from starch.EFFECT: prepreg is characterised by improved resistance to separation, as well as better adhesion and flatness.10 cl, 1 tbl, 9 ex

Coated wood products and method of producing coated wood products // 2607558
FIELD: construction.SUBSTANCE: invention relates to construction articles made from wood. Coated wood products comprise a wooden surface, provided with undercoat (3), where undercoat is at least one layer of lacquer, and are provided with top coat (5, 6), containing barrier particles and photocatalytic nanoparticles, preferably containing TiO2. Method of producing photocatalytic lacquered wood-based product, containing transparent photocatalytic nanoparticles, includes application of an undercoat by depositing a lacquer onto base in form of a product of wood to obtain at least one coating layer of lacquer, coating of the above cover lacquer(s) with a liquid for barrier coating to produce a transparent barrier layer, coating said transparent barrier layer with liquid for photocatalytic coating to produce a transparent photocatalytic layer and curing said cover lacquer(s), barrier layer and/or photocatalytic layer.EFFECT: invention improves operating reliability and durability of product, reduce level of volatile organic substances.25 cl, 3 dwg, 3 tbl, 5 ex

Design of inertial wheel for energy accumulation // 2607213
FIELD: machine building.SUBSTANCE: invention relates to inertial wheel comprising cumulative ring and hub, connecting cumulative ring with wheel rotation shaft. According to invention hub comprises central part making hub body for connection with shaft, peripheral part making rim of cumulative ring connection, and intermediate part, which is disk between hub body and rim. Hub is made from composite material and has modulus of rigidity, decreasing from hub body to rim. Invention also covers method of such inertial wheel making.EFFECT: invention enables decreased weight and higher density of accumulated energy.25 cl, 5 dwg

ethod of multilayer structure renewal // 2607212
FIELD: materials.SUBSTANCE: invention relates to protective layer applied on substrate nondestructive renewal method. Proposed method comprises electrochemical recovery of thermally grown oxide layer, located above substrate and protective layer. Recovery is performed under electrochemical conditions by applying external voltage to thermally grown oxide layer at temperature of at least 250 °C.EFFECT: invention provides possibility to perform renewal at local sections of protective coating, without part or other device removal from engine, to minimize downtime and excess wastes.10 cl, 4 dwg, 1 ex

Aircraft interior finishing panel and aircraft with such panels // 2607210
FIELD: aircraft engineering.SUBSTANCE: invention relates to aircraft interior finishing panels. Finishing panel has multilayer structure and comprises outer layer made of air impermeable material facing fuselage during use. Inner layer is made of finishing material, determining interior during use. Structural layer is laid between inner and outer layers. Sound energy scattering material is also laid between inner and outer layers, where by means of inner layer made from porous material, providing possibility of air flow passage to sound energy scattering material.EFFECT: invention ensures reduction of noise inside aircraft cabin.5 cl, 3 dwg

ethod for production of packing material coated with at least one barrier layer for hydrophobic compounds // 2606981
FIELD: packaging industry.SUBSTANCE: invention relates to a method of production of packing material with coating (10), which includes at least the following stages: a) obtaining substrate (12), which includes main material (14) from cellulose, outer side (16) turned from the product, which is been packed, as well as inner side (18) turned to the product been packed; b) coating inner side (18) of the substrate with at least one layer of an aqueous composition, which includes at least polyvinyl alcohol and a cross-linking agent and has the maximum content of solid substances of 25wt%: c) drying the layer and cross-linking the polyvinyl alcohol with the help of the cross-linking agent to form barrier layer (22a, 22b) for hydrophobic compounds. Also described is packaging material (10), where barrier layer (22a, 22b) contains a cross-linked polyvinyl alcohol arranged on inner side (18) of main material (14).EFFECT: technical result is preventing migration of hydrophobic hydrocarbons through the packing material according to measurement by gas chromatography by more than 99 %, and therefore for mineral oil it is always lower than 0,6 mg/kg of a packed food product.22 cl, 1 dwg, 1 tbl, 10 ex

Sound insulation system, in particular, for motor vehicle // 2606651
FIELD: transport.SUBSTANCE: invention relates to automotive industry. Motor vehicle sound insulation system comprises a flexible and porous basic buffer layer and an airtight intermediate insulating layer. Basic buffer layer is designed to be placed opposite the surface of the vehicle. Tight intermediate insulating layer is placed onto the basic buffer layer. Tight intermediate layer has the surface density lower than 500 g/m2, in particular, within the range from 50 g/m2 to 400 g/m2. Sound insulation system comprises a rigid porous layer contacting with the tight intermediate layer and having a thickness smaller than the one of the basic buffer layer. Rigid porous layer has a bending rigidity reduced to the unitary width exceeding 0.01 N/m.EFFECT: provided is improved sound insulation and reduced weight of the sound insulation system.14 cl, 7 dwg
oisture and oxygen-impermeable material intended for packaging of dietary products, cosmetics and medical goods of special purpose // 2606646
FIELD: manufacturing technology.SUBSTANCE: invention relates to a primary package for soft gelatine capsules containing lipophilic base and microorganisms in the form of blister packages or packets-sachets containing a multilayer material. Material includes at least two aluminium layer, connected to each other, where each aluminium layer has thickness from 2 to 50 mcm, wherein the first side is connected with a layer of polyamide (PA), and the second side is connected with a layer of polyethylene (PE) or polyvinyl chloride (PVC), which makes the multilayer material type PA/(Al)n/PE or PA/(Al)n/PVC, where n ranges from 2 to 10.EFFECT: technical result consists in production of multilayer material, which provides minimum permeability and long storage life of products of special purpose.11 cl, 13 tbl, 4 ex
ethod of making film composite and use of film composite made using said method // 2606631
FIELD: materials.SUBSTANCE: invention relates to film composites, in particular, method for production of composite film from polyarylenetherketone moulding compound and metal foil, as well as use of the film composite made by said method for production of the printed circuit boards retaining stability of dimensions. Proposed method of making composite film of polyarylenetherketone moulding compound and metal foil includes the following steps: I) preparation of film with thickness 5–1,200 µm from the molding mass containing the following components: a) polyarylenetherketone 60–96 wt%, b) hexagonal boron nitride 2–25 wt%, and c) talc 2–25 wt%, where the sum of weight parts of components a), b) and c) is 100, II) preparation of metal foil, thickness 10–150 µm; III) molding of the films prepared at the stages I and II without any adhesive at temperature from Tm-40 K to Tm+40 K and under pressure from 4 to 5,000 bar.EFFECT: technical result is development of the method, which, using the film of polyarylenetherketone moulding compound with less shrinkage, as well as lower thermal surface expansion coefficient, by dry lamination with metal foil makes a composite with good adhesion and smooth surface.10 cl, 1 tbl

Foaming article // 2606603
FIELD: personal usage items.SUBSTANCE: invention relates to product suitable for ear plug formation, and article which is ear plug. Article comprises elongated core or base containing first material and having first and second ends or main surface, and outer layer or outer main surface, containing thermoplastic second material, covering at least part of outer main surface of elongated core or base and including inactivated foaming agent with expanding spheres and inactivated chemical foaming agent. At that, inactivated foaming agents can be activated to increase volume of external layer and core has stiffness exceeding outer layer stiffness.EFFECT: providing easy insertion into ear canal, not requiring preliminary compression or "rubbing" of noise suppressing part, wherein outer layer provides adequate comfort when placed in user ear canal.10 cl, 13 dwg
ethod for treating steel band or plate provided with metal coating with after-treatment agent, and steel band or plate provided with metal coating // 2606436
FIELD: technological processes.SUBSTANCE: invention relates to a method for treating a steel band or steel plate provided with a metal coating with an after-treatment agent. After-treatment agent comprises at least one polyalkylene glycol and a fluorescent antioxidant, which is fluorescent when excited with light during fluorescent spectroscopy. Agent is applied in form of a liquid solution on surface of metal coating. Further, invention relates to steel band or steel plate with metal coating, particularly to white tin, which on surface of metal coating comprise a thin layer of said after-treatment agent.EFFECT: invention provides better wetting with paint material and better adhesion of paint material and simultaneously as low coefficient of friction surface as possible, as well as good processibility of steel band or steel plate with coating.14 cl

ethod of producing composite material // 2606134
FIELD: chemistry.SUBSTANCE: invention can be used for production of composite materials with high values of ultimate strength and modulus of elasticity. Stacking of alternating layers of base metal and reinforcing perforated metal sheet with through channels is made, wherein channels are distributed uniformly over entire area of sheet. Layers are welded by explosion, it is followed by low-temperature annealing, rolling and final high-temperature annealing. Channels in reinforcing sheet are made in form of opposed cones, truncated in middle of sheet. Diameter of contact points of cones is less than diameter of base of cones by 1–2 sheet thickness.EFFECT: method provides high strength and modulus of elasticity in combination with high plasticity, absence of anisotropy of properties.1 cl, 3 dwg, 1 tbl
Lining material and pipeline // 2605968
FIELD: chemistry.SUBSTANCE: invention relates to a lining material or a prepreg for use in pipelines or to a pipeline. Lining material or a prepreg comprises a deformable seamless article cured preferably by ultraviolet light and impregnated with a synthetic resin. Seamless article is made from a glass yarn. Weight of the glass yarn ranges from 1,000 up to 1,800 texes. Synthetic resin used is a polyester resin or a vinylester resin. Lining material is applied to the inner pipeline wall and/or is connected with it. Synthetic resin is cured together with the seamless article embedded in it and corresponding to the inner pipeline wall.EFFECT: proposed is a lining material for use in pipelines.10 cl

Resumption of blood flow in human blocked arteries by transferring nano incapsulated drug by means of medical devices designed therefor, and release of nano incapsulated drug within human artery at physiologic ph level // 2605793
FIELD: medicine.SUBSTANCE: group of inventions refers to medicine and concerns medical device introduced into lumen of any part of body in order to deliver drug for treatment of medical conditions associated with lumen of body part, as well as method for treatment applying such device at physiologic pH level. Such conditions include restenosis, atherosclerosis, and accumulation of plaques in lumen of body part. Device can include stent, cylinder, balloon catheter, stent installed on balloon, and has external surface covered with two or more nano vehicles having multiple average diameters. Multitude of nano vehicles have average diameter, acceptable for penetration through one or more layers of two or more layers of lumen of body part - intima, middle layer, and adventitial layer of vessel / vessels. Nano vehicle includes drug surrounded by encapsulating medium which contains one or more of biological agent, filler based on blood, and phospholipid, dissolved at pH less than 7.4.EFFECT: group of inventions provides release and contact with drug only in destination tissues, with prevention of focal restenosis, stabilization of drug by encapsulating medium, with improved affinity of carriers for destination tissues, improvement of target delivery during degradation of encapsulating medium.26 cl, 6 dwg, 5 ex

Water-ingress label using a double coating capsule structure // 2605702
FIELD: monitoring devices.SUBSTANCE: present invention relates to a water-ingress label using a double coating capsule structure. Indicator includes first and second spacer layers, the first and second adhesive layers, the first and second coating layers, the first and second layers of waterproof, water-absorbing layer, a dye layer formed by printing on the back surface of the water-absorbing layer, and a protective layer for the dye. This dye with the structure of the capsule with a double coating comprises a coloring agent consisting of water-soluble dyes, pigments, metal, silica, mica, metal oxides and halogen-free and water-absorbent hydrophilic resin. Protective layer for a dye that serves for waterproofing and performing water repellent function formed on the back surface of the dye layer and prevents leakage through the rear surface layer of the dye colorant.EFFECT: proposed indicator of water penetration has high moisture resistance, and provides the ability to accurately determine the fact of the ingress of water, even on a very narrow area.15 cl, 6 dwg
Shrink film "forsplast-thermo" // 2605591
FIELD: packaging industry.SUBSTANCE: invention relates to processing of plastics and may be used in production of films, sheets. Shrink film may be used for packing of large-size and non-standard cargoes, when the packaging materials should have high strength and heat-shrinkable properties. Polymer t/in film consisting of two layers is performed by co-extrusion or other existing methods, using which there appears the orientation of different-composition layers of polymer material, which provides shrink properties and leads to formation of different structure of layers. One layer in the form of solid shrinkable film has a degree of orientation in longitudinal and transverse directions according to the parameters of shrinkage of the corresponding type shrinkable film, and the second layer is oriented in longitudinal and transverse directions, but has irregular mesh structure.EFFECT: this enables cheap and functional package taking into account features of cargo, considerably increasing its strength and reduce the polymer material.1 cl, 1 ex

Binder composition for use in cellulosic composites and methods related thereto // 2605583
FIELD: materials.SUBSTANCE: invention relates to blended material, comprising (i) a binder composition comprising an isocyanate compound, a metallic catalyst and an acid compound, where isocyanate compound is a polymer diphenyl methane diisocyanate, where metallic catalyst is a organotin or organometallic compound of transition metal of group IVB of periodic table of elements, where acid compound includes gaseous hydrogen chloride, isophthaloyl dichloride, tetraphthaloyl dichloride, benzoyl chloride, thionyl chloride or combinations thereof and is present in binding composition in amount, where acidity of isocyanate compound ranges from 800 ppm to 10,000 ppm in terms of HCl; and (ii) lignocellulose material.EFFECT: invention also relates to a lignocellulose composite material and a method for production thereof.12 cl, 3 tbl, 7 ex
Structural panel // 2605572
FIELD: construction.SUBSTANCE: invention relates to a new structural panel used as a covering, noise and vibration-isolating and heat-insulating panel. Panel is made from a composition containing epoxy resin based on block-oligomer with long chain, containing aromatic links, curing agent based on aliphatic polyamines or polyaminoamides and foaming agent based on polyethylhydrosiloxane. Above composition is in transition state from being glass-like to highly elastic at -4 to +40 °C. Panel has noise and vibration-absorbing and heat-insulating properties, improved structural properties.EFFECT: such covering can be used for protection of structures of vehicles, structures combining protective function and mechanical load transfer functions, operating in high humidity conditions, in construction, shipbuilding, aircraft construction et cetera.13 cl, 2 ex
ultilayer film for resealable packaging // 2605570
FIELD: packaging industry.SUBSTANCE: invention relates to multilayer film containing two thin layers of thermoplastic material interconnected by a continuous layer, wherein said layer has thickness in range of 7 to 300 mcm, and is formed by hot-melt self-adhesive composition having flow coefficient (or MFI) varying from 2 to 70 g/10 min, containing 40 to 70 wt% mixture of styrene block-copolymers, wherein said mixture has total content of styrene links varying within range from 10 to 16 %, and consists of 50-90 wt% of one or more diblock copolymers of styrene-isoprene (SI) type and 10-50 wt% of one or more linear triblock copolymers of styrene-isoprene-styrene (SIS) type, and 30 to 60 wt% of one or more tackifying resins having a melting point in range from 5 to 140 °C.EFFECT: invention also relates to a method of making said film by coextrusion and use of said film for making troughs suitable for repeated closure.15 cl, 1 tbl

Transparent multilayer film // 2605568
FIELD: construction.SUBSTANCE: invention relates to multilayer polymer film materials, which can be used in window glazing of building structures and vehicles, and concerns transparent multilayer film. Film contains: transparent polymer film; transparent multilayer placed on top of transparent polymer film, this transparent multilayer has one or several layers of metal oxide and one or several layers of metal layered alternately; pressure-sensitive adhesive layer placed above and in contact with transparent multilayer; double-axially oriented polypropylene layer placed above and in contact with layer of adhesive sensitive to pressure; and layer of hardened resin placed over said polypropylene layer.EFFECT: film has excellent solar radiation shielding, high transparency, heat-insulating ability and resistance to scratching, as well as it can reduce mechanical stress applied by rubber roller during fastening of film and is protected from deterioration by corrosion in salty water.15 cl, 5 dwg, 5 tbl, 20 ex

ethod of producing multilayer construction articles // 2605564
FIELD: construction.SUBSTANCE: invention relates to construction and is intended for reliable and durable water-resistance of both aboveground and underground and underwater construction. Method of producing multilayer construction articles includes serial laying in form with sides of reinforcement mesh with anchor elements, concrete mixture, waterproof layer of elastic material in form of film. Vacuum pressure is created in space limited by form and film fixed to its sides. Hardening material of protective finishing layer is placed to embrace anchor elements with it. Wherein laying of concrete mixture is made separately: at first, coarse filler is supplied simultaneously with laying of reinforcement mesh, after vacuum creation hardening solution is supplied in pore space with simultaneous laying of protective-finishing layer material.EFFECT: technical result is high efficiency of hydroprotection, improvement of strength of article.1 cl, 2 dwg

Inorganic multilayer package and related methods and compositions // 2605560
FIELD: packaging technology; chemistry.SUBSTANCE: invention relates to a multilayer package on a substrate for use as a capsule. Multilayer package includes one or more inorganic barrier layers for reduction of gas or steam molecules transfer through them; an inorganic chemically active layer containing an inorganic binding material and placed adjacent to one or more inorganic barrier layers, and the chemically active layer is capable of reacting with molecules of gas or steam. Herewith in the multilayer package working state gas or steam molecules diffuse through one or more inorganic barrier layers, react with the inorganic chemically active layer.EFFECT: invention enables to efficiently protect articles placed in the capsule and sensitive to moisture and gases of the environment due to impermeability for gas or steam molecules of the multilayer package.35 cl, 5 dwg

Compressible tubular containers // 2605508
FIELD: packaging industry.SUBSTANCE: present invention relates to compressible tubular containers made from polymer material obtained through extrusion with blowing of multilayer film without subsequent stage of lamination, and particularly to contractible tubular container, which includes side wall, which includes longitudinal welding seam or compound, wherein the multilayer polymer material has thickness of 150-350 microns, more preferably, 200-300 microns. Each layer of multilayer polymer material uses advantages in essence similar or balanced profile of molecular orientation. Present invention also relates to method of forming such container.EFFECT: containers have improved ovality without cracking due to stresses.29 cl, 3 dwg, 2 tbl
 
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