Multilayer surface coating
SUBSTANCE: invention relates to synthetic multilayer wall- or floor surface coatings and method for production thereof. Coating contains not containing PVC bearing layer, decorative layer, transparent wear layer and cover layer arranged between bearing layer and decorative layer. Cover layer thickness makes at least 5 mqm, and surface tension equals or exceeds surface tension of decorative layer. Method includes steps of: producing PVC-free bearing layer, producing cover layer composition, formation of cover layer, its thickness is at least 5 mqm, and surface tension equals or exceeds surface tension of decorative layer, by application of coating layer on top of composition not containing PVC bearing layer and drying said composition of coating layer at temperature from 20 to 130 °C or extrusion of cover layer composition for formation of film and application of said film on top of not containing PVC bearing layer , applying decorative layer on top of cover layer, application of transparent wear layer on top of decorative layer.
EFFECT: invention provides creation of surface coating with improved adhesion between different layers and high quality of printing.
15 cl, 7 dwg, 7 ex, 8 tbl
FIELD: textiles, paper.
SUBSTANCE: invention relates to an emulsion of the agent for paper internal sizing and a biocide emulsifier, such as cationic starch-free quaternary ammonium compounds, which is added into the paper pulp for obtaining antimicrobial paper. The antimicrobial paper is suitable facing material for gypsum boards. The biocidal sizing emulsion comprises the agent for internal sizing and a biocide emulsifier, at that the agent for internal sizing and a biocidal emulsifier are emulsified in water, at that the biocide emulsifier is a starch-free quaternary ammonium compound.
EFFECT: improving the antimicrobial characteristics of the paper.
8 cl, 5 tbl
SUBSTANCE: SVF system comprises facing tiles, each having a retaining ledge directed downwards, at the face side in the upper part it comprises a horizontal ledge, and in the lower part - a ledge with a shelf directed downwards, and which are made as capable of arrangement as one above another as overlapping with each other on their upper and lower edges. On the face side of each tile, along one of the ends there is a vertical ledge. A subsystem for fixation of facing tiles is equipped with horizontal profiles, each of which comprises a flat part for attachment to vertical profiles, in the lower part it comprises an elastic stop for contact with the rear side of the tile, and in the upper part it comprises a bend with a shelf parallel to the flat part, besides, the upper edge of the shelf is made as capable of placement in the slot, formed by the retaining ledge above the tile, and the lower edge of the shelf is made as capable of placement of the upper edge of the lower tile between it and the flat part of the profile.
EFFECT: reliable fixation of facing tiles at any tallness of a building and repairability of facing, horizontal arrangement of solid profile makes it possible to easily provide for horizontality of facing seams on a facade, to arrange vertical seams of adjacent vertical rows in staggered order.
4 cl, 16 dwg
SUBSTANCE: invention relates to a mounting profile for tiling a facade from stone material. A device for mounting of facade tiles of any type, in which on their rear side there is a retaining ledge facing downwards, and on their front side there is a grooved slot and a comb facing downwards, which are made as capable of placement on the building facade one above another with vertically adjacent tiles arranged as overlapping with each other on their upper and lower edges so that the comb of each upper tile extends into the grooved slot of the adjacent tile located below, besides, the device comprises an extended mounting profile with a substantially flat narrow part and a pair of shelves, arranged on opposite edges of its long sides, besides, each comprises an inner part of the shelf, which is connected with the narrow part, and a split outer part of the shelf, which extends from the narrow part along the support plane to retain rear sides of the facade tiles, and which represents evenly located mounting hooks for retention of facade tiles by means of their retaining ledges, besides, at least one of outer parts of the shelf comprises fixing ledges to fix facade tiles in horizontal direction and to prevent them against side displacement, and fixing ledges stretch from the appropriate shelf inside along the support plane to the centre of the narrow part and comprises an end part bent outside, which is located to rest against the inner side edge of the tile, besides, the narrow part and the shelves together form a vertical discharge channel to send downwards any moisture, which gets between inner side edges of two tiles.
EFFECT: improvement of profile characteristics, taking into account side arrangement and prevention of moisture ingress.
4 cl, 3 dwg
SUBSTANCE: invention relates to the field of construction, in particular, to structures of complex volumetric and spatial ceilings and walls. The novelty of the invention consists in the method to develop a volumetric and spatial structure using standardised composite modules. In accordance with the proposed method the standardised modules are manufactured in advance, at the specialised production plant, not taking into account their specific use. Further on the construction object they assemble a complex volumetric and spatial structure from the modules in accordance with the specific project. Development of the complex volumetric and spatial structure from the set of modules is possible due to usage of standardised dimensions of coupled parts and collections of previously developed standard projects.
EFFECT: advantage of the proposed invention consists in simplification and cheapening of design and production of complex volumetric and spatial structures on a construction object, reduction of material wastes.
3 cl, 2 dwg
SUBSTANCE: on a facade to the place of element adhesion before application of glue on its rear surface they fix auxiliary devices that represent a rectangular metal plate with extended holes for attachment to the facade. The plate is equipped with two rows of sharp cogs arranged along large edges of the plate perpendicularly to its plane. Tips of cogs have process nicks-and-burrs. Auxiliary devices are fixed on the wall so that cogs are arranged perpendicularly to the facade plane, with sharp ends outside. Afterwards glue is applied onto the rear surface of the element, and the element is strongly pushed onto protruding cogs so that the rear plane of the element and the plane of the facade contact each other, and excessive glue is squeezed out. Excessive glue is removed. The auxiliary fastening device provides for necessary temporary fixation of the element until complete drying of glue.
EFFECT: invention improves quality and reduces cost of assembly.
2 cl, 4 dwg
SUBSTANCE: invention relates to the field of industrial and civil construction, namely to structures of building and facility curtain wall systems installed in construction and reconstruction of buildings. A curtain wall system comprises brackets for fixation of the system to a construction base, guides installed onto brackets for fixation of facing panels, and also elements of fixation of facing panels, connecting inserts and closing cramps, besides, guides are made as shaped and are of open shape in the cross section, each connecting insert is also made as shaped, is installed inside two adjacent guides, between ends of which there is a gap, and is fixed at the end of one of adjacent guides, and inside the second adjacent guide the connecting insert is installed tightly to ensure coaxiality of adjacent guides, besides, at this end of the second adjacent guide there is a closing cramp, besides, each guide is fixed on the bracket, at the same time gaps between ends of guides are at the distance from areas of guides fixation on brackets and preferably at the such distance, when in guides along their length there is minimum bending torque, sent from facing panels via elements of their fixation, besides, connecting inserts in areas of their fixation at guides create closed surfaces jointly with inner surfaces of guides, and closing cramps in areas of their fixation on guides create closed surfaces jointly with outer surfaces of guides.
EFFECT: increased bearing capacity and reliability of a curtain wall system.
8 cl, 7 dwg
SUBSTANCE: decorative board represents a composite material and differs by the fact that the base is veneer, binder is polyester resin of PN-1 grade, accelerator is cobalt naphthenate, catalyst is metyl etyl keytone peroxide, decorative layer material is wood chips with length of not more than 5 mm and moisture of at least 10%.
EFFECT: development of an alternative appearance of finish lining of facades, this appearance shall not be inferior in main operational properties and outer surface to existing types of finish lining of building and structure facades.
1 dwg, 1 tbl
SUBSTANCE: facing panel 1 comprises a face part 2, made in the form of a group of elements 3 that imitate building masonry, a rear part 4, adjoining the support surface during facing, an upper 5 and a lower 6 extended end parts, side 7 and 8 end parts, made in the form of ledges and grooves, the first 9 and second 10 side and an upper 11 collars, connected accordingly with side 12 and 13 upper 14 edges. Collars 15 connected to side edges 16 of ledges 17 of the first side end part 7 are made with increased width from the end edge 18 of the ledge 17 to the end edge 19 of the groove 20, locating studs 23.
EFFECT: improved operational characteristics.
9 cl, 6 dwg
SUBSTANCE: facing system of external walls includes small main stones used for facing of an external wall, and facing stones with front, rear, upper, lower and side faces, as well as with vertical or horizontal projections on the rear face, where the main stones have one or more slots on the external face, which correspond to one or more projections on facing stones; besides, sizes of slots exceed sizes of the corresponding projections by the value of an adhesive seam that attaches stones to each other. A projection on the rear face of the facing stone is inclined to the rear face of the facing stone at an angle of α < 90°; external projections on the rear face of the facing stone have internal faces that are inclined at an angle of β ≥ 180°- α, and sizes of the main stones are divisible by sizes of facing stones.
EFFECT: reducing labour intensity and material consumption for facing of external walls.
5 cl, 11 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to production of glued laminar structures. Laminar composite comprises two surface layers of sheet material glued together and two inner layers arranged there between. Every said inner layer is composed by reinforced cellular structure of bamboo fragments shaped to plates or chips ob bamboo walls obtained by cutting the bamboo stem along the walls and across the stem. Cellular structure reinforcement is made with the help screen of glass fibre or glass fibre web. Note here that cellular structure is laid in screen or web and closed from above by another screen or web. Besides, this invention describes the versions of laminar material.
EFFECT: higher operating performances, decreased weight.
5 cl, 8 dwg
SUBSTANCE: method for manufacturing multilayer thermoformed polymeric packaging film includes operation of polygraphic image printing on two-axis-oriented film, its combination with polymeric substrate film so that the mentioned image is located between the mentioned films, and subsequent hot shaping of multilayer film. The image is printed in inverse direction, and two-axis-oriented film is used with thickness determined from condition that for each 10.0 mm of drawing depth during hot shaping, two-axis-oriented film structure thickness of 0.007 mm to 0.02 mm is provided.
EFFECT: perfected method.
SUBSTANCE: invention relates to chemical polymer compositions for marking different objects, to polymer compositions for application directly on object to be marked of direct part marking (DPM) in particular to method of DPM with application of compositions, which contain fluorescent substances and/or particles (FDPM). In manufacturing marking device applied is fluorescent polymer composition, which absorbs light radiation at UV wavelengths, visible and/or close IR - ranges, irradiates in the range of wavelengths range ob band of passing of reading device input filter in the region of wavelength 400-700 nm and is solidified by drying and/or photo- and/or thermopolymerisation In production of marking device laser radiation is applied.
EFFECT: application of unified simplified technology for production and following decoding of FDPM on different surfaces, including those which possess properties, excluding application of FDPM on them by traditional, for instance, needle-shock method, in particular fragile, with high hardness, elastic, polluted, having coating with insufficient adhesion or covered with friable deposits, increased productivity of equipment and extension of spectrum of reachable FDPM parameters, such as reduced size, resistance to different impacts, applicability of additional protective procedures.
7 cl, 6 dwg
SUBSTANCE: invention refers to a packing material formed of a multi-layer body comprising at least a bottom layer and a thermoadhesive layer, which covers as an outer layer on one side of the packing material, and small hydrophobic oxide particles having an average diameter of primary particles of 3 to 100 nm attached to an outer surface so that the thermoadhesive layer does not adjoin the other layer; the small hydrophobic oxide particles form a porous layer having a three-dimensional mesh structure, and the small hydrophobic oxide particles in the thermoadhesion area are integrated into the thermoadhesive layer during the process of thermoadhesion. What is also disclosed is a container, wherein the hydrophobic oxide particles are attached to a portion or to the whole surface of the container, which comes in contact with the content.
EFFECT: packing material prepared according to the invention, can preserve the excellent water-proofing properties and non-adhesive properties.
22 cl, 10 dwg, 6 tbl, 32 ex
SUBSTANCE: coating contains cross-linked binding system which forms three-dimensional nets when thermally hardened. After application of coating on the rear side of fibrous base and hardening coating is capable of hygroscopic expansion, which gives excellent anti-sagging properties. Coating is compatible with other coating systems with neutral or weak alkali pH. Binding system is neutralised by water ammonia solution, which quickly evaporates not to interfere with reaction of cross-linking.
EFFECT: creation of improved fibrous base with coating, which is biologically safe, is stable to sagging and simultaneously preserves high resilience modulus, is compatible with other coatings and fillers and makes it possible to prevent corrosion of technological equipment.
14 cl, 2 tbl, 6 ex
FIELD: packaging industry.
SUBSTANCE: invention relates to multilayer materials and relates to thermoformable multilayer films and blister packs made of them. The multilayer structure comprises a first polymeric layer having a first surface and a second surface, where the first polymeric layer comprises a metallised polyethylene terephthalate. The multilayer structure also comprises a second polymeric layer having a first surface and a second surface, where the first surface of the second polymeric layer is located adjacent the second surface of the first polymeric layer, the second polymeric layer comprises cyclic olefin or homopolymer of chlorotrifluoroethylene. The multilayer structure additionally comprises a third polymeric layer having a first surface and a second surface, where the first surface of the third polymeric layer is located adjacent to the second surface of the second polymeric layer. The third polymeric layer comprises polypropylene or polyvinyl chloride. Also the method of manufacturing a multilayer film structure and thermoformed blister pack is proposed.
EFFECT: invention provides creation of high-tech films having moisture resistant properties for use them in blister packs, including smokeless pressed tobacco articles.
30 cl, 4 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to production of protective films applied on valuable documents or data carriers. This film features the following structure: a) first carrier substrate; b) first lacquer layer hardened by radiation and including active optical structure; c) first metal layer; d) protective lacquer layer; e) gluing layer; f) second carrier substrate; g) second lacquer layer hardened by radiation; h) second metal layer. If necessary, this film comprises protective lacquer layer (i) and glue coat (k). Note here that adhesion between g) and h) or f) and g) is notably higher than that between the other layers.
EFFECT: detection of manipulation at protected object.
9 cl, 6 dwg
SUBSTANCE: claimed invention relates to a method of obtaining a lignocellulose composite product. Described is the method of obtaining the lignocellulose composite product, which includes the application of a masking-preventing additive on a lignocellulose composite substrate, obtained as a result of its processing with a polyfunctional isocyanate composition, which has free isocyanate groups, and/or on the moulding surface, with the masking-preventing additive containing more than approximately 50 wt % of the total weight of the masking-preventing additive of fatty amine alkoxylate, which has free hydroxyl groups; and the application of pressure to the lignocellulose composite substrate with the application of the moulding surface. Also described is the masking-preventing composition, characterised above, for the application on the moulding surface of an apparatus for obtaining lignocellulose composite products, where the masking-preventing composition contains a liquid carrier, selected from the group, consisting of water, a liquid hydroxyl-containing compound, which contains from 1 to 4 carbon atoms, and their mixtures; and the masking-preventing additive, dispersed in the liquid carrier, with the masking-preventing additive containing fatty amine alkoxylate, which has free hydroxyl groups.
EFFECT: achievement of reduced masking on the moulding surfaces.
17 cl, 1 dwg, 4 tbl, 1 ex
FIELD: packaging industry.
SUBSTANCE: invention relates to the foil-free laminate packaging material (10) for packaging of liquid food products, comprising a first paper layer (11) located closer to the inner side of the laminate packaging material, and a second paper layer (12) located closer to the outer side of laminate packaging material, and the said first and second paper layers are laminated to each other by the first intermediate adhesive layer (13) in the form of a sandwich structure, and the laminate packaging material additionally comprises a gas-barrier coating layer (14) applied on the inner side of the first paper layer by liquid-film applying a liquid gas barrier composition onto the said first paper layer and by subsequent drying, and the liquid composition comprises a polymer binder dispersed or dissolved in an aqueous medium or in a solvent medium, and an additional steam-moisture barrier layer (15) laminated and attached to the inner side of the first paper layer with the barrier coating by the second intermediate polymer binding layer (16). At that the laminated packaging material additionally comprises an innermost layer of liquid impermeable, heat sealable thermoplastic polymer material (17) applied on the inner side of the said additional steam-moisture barrier layer (15) and the outermost layer of liquid impermeable, heat sealable thermoplastic polymer material (18) on the opposite side of the laminated packaging material, applied on the outer side of the second, main paper layer, and the said first intermediate binding layer and the second intermediate binding layer are selected from polyolefins and polyolefin-based copolymers. The invention also relates to a method of manufacturing the laminated packaging material and to a packaging container which is produced from this laminated packaging material.
EFFECT: invention enables to obtain a laminated packaging material having good gas barrier properties, suitable for long-term, antiseptic packing, and good inner adhesion between the layers.
26 cl, 7 dwg
SUBSTANCE: invention refers to medical system plugs, particularly to a medical system plug. The plug has two opposite end faces. The plug has a base made of a high elastically recovered polymer material and an outer layer of one or more polymers; between the base and the outer layer there can be provided one or more intermediate layers of a polymer material. The plug is shaped as a bobbin 10-40 mm wide, 6-20 mm thick and has a canal with the diameter of 6-9 mm.
EFFECT: invention enables providing higher leak integrity of the medical system for a long time to provide multiple liquid sampling from the system.
4 cl, 3 dwg, 2 ex
SUBSTANCE: invention relates to a multilayer film for making a finished article and a finished article having said film. The multilayer film includes at least two layers. The first layer includes a first a copolymer of ethylene and at least one alpha-olefin. The first copolymer has density of less than 0.925 g/cm3, and average viscosity molecular weight Mv and a valley temperature between the copolymer and high crystalline fraction, Thc, such that the Mv for a fraction above Thc from ATREF divided by Mv of the whole polymer from ATREF (Mhc/Mhp) is less than 1.95. The copolymer has composition distribution breadth index (CDBI) of less than 60%. One other second layer includes a second a copolymer of ethylene and at least one alpha-olefin. The second copolymer has density of 0.925-0.965 g/cm3.
EFFECT: obtaining a film with improved optical properties, hardness, puncture resistance, tear resistance and manufacturability.
15 cl, 3 tbl, 1 dwg, 1 tbl
FIELD: process engineering.
SUBSTANCE: invention relates to device metal strip heating in direct-fired furnace. Device for induction preheating of metal strip is arranged ahead of direct-fired furnace in direction of metal strip feed. Air feed means are located ahead of aforesaid device for airing said strip.
EFFECT: higher quality and yield of finished products.
19 cl, 1 dwg