Textiles and paper (D)

D            Textiles; paper(37391)

Combination die for production of nanofibrous and microfibrous materials // 2614393
FIELD: manufacturing technology.SUBSTANCE: combined die for production of nanofibrous or microfibrous materials under the present invention comprises a thin-wall electrode and the first non-conducting body adjacent to the first wall of the said thin-wall electrode. Said first body has a wall facing the thin-wall electrode having multiple grooves, herewith the said grooves lead to the distal end of the combined die and have their own proximal ends connected to a source of the formed mixture. Thin-wall electrode, as well as the first non-conducting body, can have either a plate-like or a cylindrical shape. Combined die may additionally include the second non-conducting body adjacent to the second wall of the thin-wall electrode and guiding air from the proximal end to the distal end of the die. Combined die is easily disassembled and cleaned, since forming the fibre capillaries have the shape of grooves formed on surfaces of the first or the third non-conducting bodies.EFFECT: proposed is a composite die for production of nanofibrous or microfibrous materials.6 cl, 5 dwg, 3 ex

Centrifugal unit for separating liquid from fibrous material // 2614329
FIELD: machine engineering.SUBSTANCE: centrifugal apparatus for separating liquid from a fibrous material comprising a housing with a removable cover, which is placed vertically perforated rotary drum with working chamber for receiving the treated fibrous material. On the removable lid in the working cavity of the drum along its axis placed nozzle device with tangential channels connected to a source of gaseous energy. Gaseous energy carrier can be heated to a temperature above the melting point of the fibrous material is air or steam. On the cylindrical surface of the rotating perforated reel, the radial partitions of such a form is fixed that at any angular position of the rotating perforated reel portion of the surface situated opposite the tangential channels connected to a source of gaseous energy perpendicular to the axis of the channels. The nozzle device has a toroidal shape and is associated with a removable cover attached to a mechanism for reciprocating movement along its axis perforated rotary reel.EFFECT: reduced energy costs, increase the efficiency of squeezing the fibrous material in various weather conditions.3 dwg
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 increasing advantages of reinforcing materials for producing paper and cardboard // 2614272
FIELD: textile and paper.SUBSTANCE: invention relates to a method of producing paper, cardboard or thin cardboard. Method involves the following steps: (a) conversion of a water cellulose material containing starch into a paper mass, (b) prevention of microbial degradation of at least part of the starch in processing the water cellulose material containing starch by one or more biocides, and (c) introduction of a dry and/or wet reinforcing polymer into the cellulose material. Method envisages: (A) determination of properties of water phase of the cellulose material selected from electric conductivity, redox potential, pH value, ATP concentration and free starch concentration, (B) making paper, cardboard or thin cardboard using the said method, (C) determination of the same property (A) after time interval Δt, comparing the value determined at step (B) with the value obtained at step (A) and (D) adjustment of the biocide dosage at step (b) and/or the reinforcing polymer dosage at step (c).EFFECT: invention ensures reduction of electric conductivity of the water cellulose material with higher efficiency of reinforcing polymers due to reduction of their consumption.15 cl, 5 dwg, 7 tbl, 4 ex

Device for fibrous materials production from molten thermoplastics // 2614087
FIELD: chemistry.SUBSTANCE: device for fibrous materials production from molten thermoplastics comprises a housing consisting of upper and lower parts between which a pressurized chamber is formed with an opening for energy carrier supply, and an annular working nozzle communicating with the pressure cavity, wherein an axially symmetric funnel is formed on the top of the housing for molten thermoplastics reception, its outlet portion external surface forms one of the working nozzle walls. At that, the hosuing parts are mounted to provide linear displacement of the upper part relative to the lower along the axis by between 0.0014D and 0.4D, where D is the smallest diameter of funnel, and their fixation in this position. The device comprises means to change and fix geometrical dimensions of the working nozzle, which is a threaded connection of the housing parts, the upper part has four locking holes located circumferentially at angular coordinates 0°, 15°, 187.5° and 202.5°, the lower part has 12 threaded holes with an increment of 30° around the circumference of the same diameter, used for locking screw installation in one of the possible matches of the upper and lower housing holes, that allows to discretely adjust the annular working nozzle clearance in one of 48 positions.EFFECT: simplified design of the device for fibrous materials production from molten thermoplastics, higher fibers quality, in particular, reduced amount of non-fibrous inclusions, extended raw material range for fibrous materials production.3 cl, 2 dwg
Heat resistant fabric of polymer fibers and products made from this fabric // 2614002
FIELD: textile, paper.SUBSTANCE: heat-resistant fabric is made by interlacing warp and weft yarns with a combined plain weave, with warp cord on the chain and with weft cord on the filling. The fabric is made of background warp on the chain and a mixed two-strand yarn consisting of equal parts of para-aramid fiber and polyoxadiazole 50×50 fiber. The resultant linear density of the fabric is 60 Tex. The fabric is reinforced on the chain and the filling by a double complex arimide thread 29.4 Tex × 2. The ratio of yarn to thread in the fabric is 75/25, and the surface density is 260 g/m2. The fabric was further treated with at least one organofluorine preparation.EFFECT: better combustion efficiency increased fire resistance, decreased stiffness and improved flexibility and draping characteristics in conditions of the Far North.4 cl, 2 tbl, 1 dwg

Device and method of manufacturing nonwoven spun fabric of elementary fibres // 2613869
FIELD: manufacturing technology.SUBSTANCE: device for production of non-woven spun fabric of elementary fibres, including dies, cooling chamber with possibility to feed process air into it for cooling of elementary fibres located between dies and cooling chamber monomer device for forced air discharge, exhaust device and collector for laying of elementary fibers in nonwoven fabric. Cooling chamber consists of two sections of cooling chamber, while process air can be forced fed from first upper section of cooling chamber in monomer device for forced air discharge with volumetric flow rate VM. Process air escapes from first upper section with volumetric flow rate V1 in second lower section of cooling chamber. Ratio of volume flow rate of VM/V1 ranges from 0.1 to 0.3.EFFECT: device and method of making nonwoven spun fabric of elementary fibres are proposed.15 cl, 2 dwg

Double carpet tying automated device // 2613856
FIELD: textile, paper.SUBSTANCE: for this purpose device should be bound to the pistons with a progressive return movement. Tying device construction generally consists of two pairs of plates. The first pair passing between two carpet beaming discloses plates and waits the second. The second pair of plates, which carry a cut-off piece of carpet yarn, passes clutching two carpet beaming, through which the first pair have passed. Then the first pair picks carpet yarn ends, and when the piston moves back, it returns to its base position which yields a double carpet tying.EFFECT: improved method.7 dwg

Quencher of vibration for household appliance with rotating reel and household appliance with such quencher of vibration // 2613779
FIELD: mechanical engineering.SUBSTANCE: invention relates to a vibration quencher for a household appliance, particularly for a washing machine or drying machine, comprising a fixed support adapted to be mounted on the lower part of the housing of the household appliance, which has a vibrational band, which includes a tank, the reel, and the motor; pivot axis, mounted on a support , on which the radial friction element is mounted; a rotary lever, which is connected with the radial friction element and may be pivotally connected to the support element, both hinged to the lower portion of the tank; and an elastic element, which has at least a helical spring, whose windings are arranged around a pivot axis and connected to the pivot arm and a stable support, and a resilient member opposes the torsional force of the pivot lever and is made in such a way, that the torsional force fit the proportional part of the vibration group load, which is transmitted by the support element.EFFECT: increased efficiency.14 cl, 11 dwg

Package for eggs and method for manufacturing said package // 2613577
FIELD: packaging industry.SUBSTANCE: present invention relates to a method of producing package for eggs, wherein interacting fasteners in cover part and bottom part of package for eggs are formed by and are located relative to each other so as to compensate for change in shape of cover part, arising during production.EFFECT: invention also relates to package for eggs made using said method.39 cl, 9 dwg

Device to control formation of warping rolls // 2613450
FIELD: textile, paper.SUBSTANCE: device to control the formation of warping rolls contains a warping roll electric drive, a compressing roll electric drive, a winding radius calculating unit, a warping roll speed sensor, a compressing roll rotation impulse speed sensor, a warping roll impulse speed sensor, a winding radius increment determination unit. Warping roll impulse speed sensor and compressing roll impulse speed sensor are connected with their outputs to inputs of winding radius calculating unit, an output of which is connected to the first input of the winding radius increment determination unit of the warping roll, the second input of which is connected to the output of the warping roll speed sensor, and the output of the winding radius increment determination unit is connected to the compressing roll electric drive, according to the invention, comprises a compressing roll rotation electric drive, a contactless winding radius sensor and an adder. Output of winding radius calculating unit is connected to the first adder input, the contactless winding radius sensor is connected to its second input, and the adder output is connected to the compressing roll rotation electric drive.EFFECT: improved stabilization accuracy of bulk winding density.1 dwg

ethods of medical active agent delivery by injection of individual health articles containing filament // 2613316
FIELD: medicine, pharmacy.SUBSTANCE: invention refers to medicine and is represented by methods of medical active agent delivery to a mammal. The method includes a stage when the medical article comprising one or more filaments, consisting of: base material of 10-50% by weight, based on dry filament, selected from natural polymers, synthetic polymers, sugars and combinations thereof; medical active agent of 50% by weight, based on dry filament, and moisture less than 20% by weight based on filament, is injected to a mammal. Filaments are obtained by meltdown blowing or by forming liquid film fibers and constitute a nonwoven fabric with a surface density of 20-1000 g/m2. The medical active agent is able to be released from the nonwoven fabric when it is exposed to the conditions of target application.EFFECT: invention delivers higher levels of medical active agents to a mammal.12 cl, 4 dwg, 7 ex

Reinforcement element with π-shaped cross-section from composite material, in particular, gas turbine engine fan platform, and its production method // 2612993
FIELD: machine building.SUBSTANCE: invention relates to composite material reinforcing element (10) with π-shaped cross-section production method; the method includes performing of threads layers first set by means of three-dimensional weaving, connected to each other to form fibrous workpiece (102) first part intended for pre-molded base workpiece formation, performing threads layers second set by means of three-dimensional weaving, connected to each other to form fibrous workpiece (104) second part, intended for stiffeners pre-molded workpiece formation; wherein second set threads are connected by means of weaving with first set threads on first central disengagement strip (106), expanding towards fibrous workpiece first part side edges (102a) at level of zone (108, 110), corresponding to base step; wherein fibrous workpiece two parts forming to produce fibrous pre-molded workpiece (100) in form of single part contains part, forming base pre-molded workpiece, and part forming stiffener pre-molded workpiece, and resin arrangement in fibrous pre-molded workpiece by means of female die.EFFECT: invention also relates to reinforcing element with π-shaped cross-section made using this method.13 cl, 7 dwg

Fibrous structure woven as single part by 3d braiding and its application for making part from composite material // 2612927
FIELD: textile.SUBSTANCE: fibrous structure woven as a single part by 3D braiding, wherein the first weft threads are tied together layers of warp threads at first section (12) of fibrous structure (10) adjacent to empty area (16), as well as layers of warp threads of second section (14) of fibrous structure behind the empty area, and the second weft threads tie together layers of warp threads at second section (14) of the fibrous structure adjacent to the empty area, as well as layers of warp threads of first section (12) of the fibrous structure outside the empty area, so that trajectories of the first and the second weft threads intersect in at least one transition area (18) extending inside the fibrous structure from the end of the empty area, herewith the transition area extends in the weft direction for a distance larger than step (p) between adjacent columns of warp threads.EFFECT: new material.18 cl, 19 dwg
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
ethod of producing fibres from carbon nanotubes // 2612716
FIELD: chemistry.SUBSTANCE: invention relates to chemical engineering of fibre materials and a method of producing fibres from carbon nanotubes, which can be used for producing high-strength, high-modulus, electrically conducting composite materials of special purpose. Method of producing is carried out by exposing carbon nanotubes to a dispersion in a liquid medium, with subsequent removal of liquid medium. Medium used is a chlorine-containing organic solvent. Exposure involves mixing a dispersion of nanotubes with organosilicon liquid located between electrodes, wherein electric field intensity is 5–20 kV/cm, which is determined by formula E = U/d, where E is electric field intensity, kV/cm, U is voltage applied to electrodes, kV, d is distance between electrodes, cm.EFFECT: invention provides technological effectiveness of producing fibres from carbon nanotubes.1 cl, 5 ex
High modulus high strength uhmwpe fiber and method for its production // 2612714
FIELD: chemistry.SUBSTANCE: invention relates to high modulus high strength fiber made of ultrahigh molecular weight polyethylene (UHMWPE) and a method for its preparation. Methods are described for obtaining threads and multithread yarn from UHMW polyethylene (UHMWPE), as well as the yarn and products made thereof. Each method provides UHMWPE threads with strength of 45 to 60 grams/denier.EFFECT: invention provides an effective way to create yarn from ultrahigh molecular weight high strength polyethylene or with higher productivity on an industrial scale.10 cl, 6 ex
Sustainable adsorbable polymers // 2612709
FIELD: chemistry.SUBSTANCE: invention relates to an aqueous suspension of mineral pigment materials with high content of solid substances, containing dispersing substances and/or dispersants based on renewable sources, as well as methods of preparing such a suspension and to use thereof. Aqueous suspension contains mineral pigment material and at least one modified polysaccharide having carboxylation degree within range of 0.6 to 2.0 and characteristic viscosity in range of 3 to 300 ml/g, where carbon of at least one modified polysaccharide exhibits rate of nuclear transformation of 14C to 14N in range of 400 to 890 transformations per hour per gram of carbon, where at least one modified polysaccharide is present in an amount of 0.05 wt% to 5.0 wt% in relation to total weight of solid substances in suspension, Brookfield viscosity of aqueous suspension ranges from 50 to 1,500 MPa⋅s at 20 °C, and content of solid substances in suspension is more than 50 to 82 wt% in relation to total weight of suspension. Modified polysaccharide is used as a dispersing substance and/or dispersant.EFFECT: aqueous suspension is used in production of paper, plastic, paint, food products, fodder, pharmaceutical products, drinking water and/or in agriculture for reducing effect of sunlight and ultraviolet radiation on plant leaves.20 cl, 15 ex
Protective material and protective products of such material // 2612696
FIELD: textile, paper.SUBSTANCE: protective material for work in the conditions of external influences, such as electromagnetic field radio frequency bands, electric field of industrial frequency, and switching and stepping voltage and/or electric arc, is made of conductive fabric composed of filaments on the basis of meta-aramid fibers based on poly m-phenylene isophthalamide and/or its derivatives and a stainless metal staple and/or monofilament fibers in a ratio of 70:30 to 30:70 pts. wt. respectively, with a density of 250 to 400 g/m2 and heat resistance at not less than 13 cal/cm2 minimum density. Stainless metal fiber for providing corrosive resistance is made of stainless iron-based steel alloy with an additive selected from a number of chromium, nickel, titanium, carbon, manganese, copper, boron, vanadium, niobium, aluminum, tungsten, molybdenum. The fabric is adapted to coloring by using an appropriate hue aramid fiber and a linen weaving (1/1) or broken twill (2/1 or 3/1) are usually used. The protective product is made in the form of a garment, or hat, or hood, or helmet, or screened helmet, or shoes, or protective cover, or shoe covers, or gloves, or mittens, or socks.EFFECT: invention allows for the possibility of wet washing without loss of protective properties and protect against electrical and thermal injuries when hitting an electric arc in a person.8 cl, 1 dwg

Fibrous pre-molded gas turbine engine blade workpiece made from composite material and having embedded platform and its performing method // 2612628
FIELD: turbo-machines.SUBSTANCE: invention relates to fibrous pre-molded workpiece performing method for making of turbomachine blade made from composite material; wherein method includes performing by three-dimensional weaving of fibrous stock (100) in form of single part with layers of longitudinal threads (c1-c24), interconnected by weft threads (t1-t24) layers of threads, and fibrous workpiece forming to produce fibrous pre-molded workpiece in form of single part, containing part, forming feather pre-molded workpiece, and, at least, one part forming pre-molded platform workpiece. In process of weaving threads (c5-c7) of longitudinal fibers first group come out of fibrous workpiece on side of workpiece one of lateral sides (110a) to form part (120), corresponding to platform pre-molded workpiece, and threads (c3 and c4) of longitudinal threads second group are introduced into fibrous workpiece with mutual intersection between first group threads and second group threads.EFFECT: invention also relates to pre-molded workpiece, produced by this method.15 cl, 4 dwg
ethod for production of aromatic polyimide nanofiber based material // 2612280
FIELD: chemistry.SUBSTANCE: method is described for production of a polyimide nanofiber based material including electrospinning of polyamide acid solution in the solvent in which the solution containing not more than 12 wt % of polyamide acid in aprotonic solvent is used to obtain the film by the method of electrospinning through split draw die to the support; the film is removed from the support and dissolved, in the quantity ensuring polyamide acid content in the solution of 12-20 wt %, in the mixture aptoronic solvent : benzoid solvent with benzoid solvent content being 20-70 vol.%; the solution is supplied at room temperature through electrode- draw die to electric field with voltage of 15-35 kV; the material deposited on the anode is subjected to thermal treatment at a temperature of 370-420°C for 60 min; the target product consists of aromatic polyimide nanofibers with diameter of 50-700 nm and has decomposition temperature higher than 500°C in the inert medium in mixture.EFFECT: production of aromatic polyimide nanofiber based material using the method of electrospinning of polyamide acid at room temperature.6 dwg, 5 ex
ultilayer combined heat insulation fire protection material // 2611942
FIELD: textile, paper.SUBSTANCE: invention relates to the production of inorganic insulating materials connected mechanically of woven and nonwoven materials that may be used in a temperature range from -200°C to 1000°C for high temperature insulation of industrial and domestic equipment, as well as sound insulation in construction, transportation and other industries. Multilayer combined heat insulation fire protection material comprising woven and nonwoven materials layers. Woven and nonwoven fabrics are made of amorphous chopped glass fibers and super, ultra-thin crystalline ceramic fibers. One nonwoven layer comprises crystalline ceramic fibers packed with coefficient of fullness not less than 0.9, the other nonwoven layer is composed of amorphous glass fibers, non-woven materials on the outside on both sides are veneered with layers of glass fibre, including clad with metal foil. The layer materials connection is made mechanically with fiber glass filament with a stitch of 3 to 60 mm lengthwise and distance between stitches from 5 to 330 mm, the resulting material has a thickness of 4 to 50 mm, instead of nonwoven layers of amorphous glass and crystalline ceramic fiber the material comprises a nonwoven layer of amorphous glass and crystalline ceramic fibers mixture. Crystalline ceramic fibers with a diameter less than 1 mcm fill the space between the amorphous glass fibers with a diameter of 6-20 mcm, which leads to increased density and lower material thermal conductivity, on both sides from outside the nonwoven materials are veneered with the layers of glass fibers of fillaments having a porous structure with a pore size 3.10 angstroms, which shrink to 8-10%, compress the inner layers and increase the strength of the composite material while heating, instead of the nonwoven material of amorphous glass fibers the nonwoven material layer of crystalline ceramic fibers is used which almost do not have shrinkage (1%) while heating to 1000°C, which allows to keep the original geometric material dimensions, instead of the nonwoven material made of amorphous glass fibers the nonwoven material layer of amorphous basalt fiber is used, the fibre of amorphous glass fiber containing 5 - 18% of ferric oxide is used instead of the glass tissue including clad with metal paper, the nonwoven material of ECR-type glass amorphous filaments is used instead of the nonwoven material of crystalline ceramic fibers, the layer of fabric of crystalline ceramic fibers and the layer of fibreglass mesh of E-type amorphous filaments are used instead of the glass tissue, the woven and nonwoven materials are preliminarily veneered with the glass tissue along the perimeter of the material end grain before sewing.EFFECT: creating a new multilayer composite environmentally friendly material with high thermal insulation properties and performance characteristics, providing an effective reduction in the heat flux over a wide operating temperature range.9 cl, 1 dwg
ethod for treating surface of a banknote // 2611503
FIELD: polygraphy.SUBSTANCE: invention relates to a method for treating surface of a banknote, comprising, on at least one of its opposing faces, at least a printed image, comprised of at least a design. This face and its associated printed image have a transparent protective coating. Coating is applied via printing and dried. Coating contains a varnish and an organic compound, incorporating fluorine atoms in the form of at least a perfluoro-polyether (PFPE) group, on said face.EFFECT: invention provides increased durability of banknotes in terms of mechanical strength and chemical resistance at its regular authentication and higher protection.12 cl, 6 dwg, 2 tbl

Water-consuming domestic appliance with gas generator for processing and supply unit // 2611281
FIELD: household appliances.SUBSTANCE: water-consuming domestic appliance, in particular, linen processing device, intended for washing of linen, comprises processing reservoir and treatment agent reservoir, besides, provided is possibility to supply, at least, indirectly, of liquid treatment agent, contained in treatment agent reservoir, into processing reservoir. At that, provided is supply unit with first water intake device and, at least, one second water intake device, besides, provided is possibility to supply water to processing reservoir through first water intake device and first supply and provided is possibility to supply water to, at least, one second processing reservoir supply hole through second water intake and second supply.EFFECT: besides, provided is possibility to fill first and second water intake devices with treatment agent.9 cl, 2 dwg

Device for linen care comprising removable liquid container // 2611265
FIELD: personal use and household items.SUBSTANCE: invention relates to device (1) for linen care, comprising at least one detachable tank (7, 10) for liquid, wherein device (1) for linen care is configured for blocking removal of tank (7, 10) for liquid by means of at least one blocking mechanism (13, 14), and at least one blocking mechanism (13, 14) is configured for actuation by an electric signal from device (1) for linen care. EFFECT: disclosed is a device for linen care comprising a removable liquid container. 11 cl, 1 dwg

Linen care household appliance flushing device and linen care household appliance // 2611029
FIELD: personal use and household items.SUBSTANCE: invention relates to linen care household appliance (1) flushing device (8) containing flushing tray (8a), having upper part (8b) and lower part (8c), which can be connected to upper part (8b), wherein in lower part (8c) provision is made for water supply device (8d) with water intake chute, discharge branch pipe (8e, 8f) extending into water intake chute, and water trap (8n), located between outlet branch pipe (8e, 8f) and water intake compartment (8j), made in lower part (8c), wherein water trap (8n) comprises first bypass leading to outlet branch pipe (8f), and second bypass leading to another outlet, in particular, to second outlet branch pipe (8e), wherein first bypass level (35) is located above second bypass level (34).EFFECT: disclosed is linen care household appliance flushing device and linen care household appliance.9 cl, 9 dwg

Tightening knitted elastic piece of clothing for lower body // 2610806
FIELD: clothes.SUBSTANCE: invention relates to knitted elastic underwear item, containing panties (1) with elastic base knitted article, connected to mesh (7) from elastic rubber, laid on one surface of panties elastic base knitted article, that forms panties base, at panties front and/or rear side, characterized by fact, that on said elastic base knitted article (5, 6) knitted elastic lining (20) is provided, lighter, than base knitted article (5, 6), for free application at, at least, said rubber mesh (7) location.EFFECT: new design of clothes.11 cl, 5 dwg

High solids and low viscous aqueous slurries of calcium carbonate-comprising materials with improved rheological stability under increased temperature // 2610509
FIELD: chemistry.SUBSTANCE: present invention discloses aqueous slurries with improved rheological stability at temperature higher than 65 °C. Said slurries include calcium carbonate containing material and at least one comb-like polymer. Specific viscosity of comb-like polymer, measured at 20 °C and concentration of 45 g/l, differs from specific viscosity measured at 70 °C by 0.15–0.5. Cloud temperature of comb-like polymer, measured in water, is not in range of 20–95 °C. Specific charge of comb-like polymer at pH 8 from -10 C/g to -600 C/g. Viscosity of aqueous slurry at temperature 20–90 °C is 25–1,000 mPa⋅s.EFFECT: decreased thermal sensitivity of slurry and prevention of increase in viscosity thereof in process of manufacture and use at temperatures exceeding 65 °C.22 cl, 1 dwg, 7 tbl, 6 ex

Device and method of cutting by measuring decorative tape paper and use of device for cutting device // 2610498
FIELD: printing.SUBSTANCE: invention reffers to printing and relates to the device and method of cutting to a size of decorative paper tape, and application the device for cutting the tape. The device for cutting the segments of decorative paper tape, that have the coating, includes a flow line with means for decorating and impregnating endless belt paper for converting a ribbon of decorative paper and at least one device for lateral dissolution separating belt lengths decorative paper of a certain length of tape decorative paper . In the feeding direction, before at least one device for transverse dissolution there is at least one device for slitting to separate the decorative paper tape, at least two endless longitudinal tape decorative paper, and at least one deflecting device, which separates the two longitudinal tape relative to one another and leads, respectively, to a separate device for the cross dissolve.EFFECT: invention provides a process of optimization of cutting pieces of decorative paper tape.15 cl, 5 dwg

Aramid copolymer yarn having low residual sulphur // 2610403
FIELD: textile.SUBSTANCE: present invention relates to yarn, containing a polymer, which contains imidazole groups, wherein yarn has content of sulphur from 0.01 to 3.0 wt%, based on weight of yarn.EFFECT: yarn is characterised by tenacity of 30 cN/dtex (33 3/10 gpd) or higher.14 cl, 4 dwg, 8 tbl
Device for production of paper with transparent areas and paper produced using device // 2610397
FIELD: textile; paper.SUBSTANCE: device contains a grid for the printing cylinder or dandy roll of papermaking machines equipped with the filigrees with holes. The said holes have 0.2-0.3 mm diameter. The holes evenly distributed throughout all filigree area with the spacing of 0.2-2.5 mm. There are subgrid components secured on the flipside of the grid symmetrically to the location of filigrees, performed in the form of metal or plastic grids with 0.4-0.95 mm meshes. The paper obtained using the said device is also declared.EFFECT: invention allows producing the paper with transparent areas, which is characterised by high transparency in these areas and their enhanced thickness uniformity.5 cl

ethod for tubular wickerwork production and device for its implementation // 2610394
FIELD: chemistry.SUBSTANCE: invention refers to manufacture of articles from composite materials. The device for tubular wickerwork production includes a vertically fixed mandrel, a three-level table of concentric rings with ramps and groups of coils equally spaced along the circumferences. Rings are mounted with a possibility of rotation. The first group of coils constituting half of the tota number is located at the lower ring. The second group of coils is located by equal parts on the upper and middle rings. The device has a drive and mechanisms to move coils and rings. The method for manufacture of tubular wickerwork by rotation about a stationary mandrel in opposite directions along closed, periodically intersecting trajectories of two groups of evenly spaced coils with threads mounted on the rings, wherein each thread of one direction passes over and under the threads of the other direction, wherein the ring coils revolve continuously at the same angular speed, wherein the upper and middle ring around the mandrel rotate synchronously in one direction, opposite to the lower ring, the coils of the second group are moved further from one ring to another in the radial direction, avoiding the thread of the first group coils. The invention provides a continuous smooth weaving process, improves the performance of weaving.EFFECT: device for tubular wickerwork production based on solid-type glass fibers and a polymer binder.2 cl, 4 dwg

ethod and device to ensure elasticity of knitted or woven materials // 2610393
FIELD: machine building.SUBSTANCE: device for giving elasticity to tubular material, comprising frame, rings holder unit and core unit. Ring holder unit is installed on frame and includes peripheral ring and plurality of pivoting wheels pairs with non-mechanical drive, spaced along circumference around outer edge. Core unit, containing core with proximal and distal ends and maximum external circumference, as well as plurality of rotating wheels with non-mechanical drive, distributed around core circumference in place, distant from proximal end, and installed on it so, that to pass in radial direction beyond maximum external circumference.EFFECT: core wheels are arranged between and so, that to be coupled with corresponding pairs of ring holder unit wheels, wherein core unit wheels have such size and shape, that its outer edge fits into recesses of corresponding pairs of ring holder unit wheels.22 cl, 9 dwg

Washing machine and control method thereof // 2610392
FIELD: household appliances.SUBSTANCE: in compliance with this invention, washing machine control method, wherein washing machine comprises tank for water content, washing tank, provided by rotating around vertical axis in water content tank, and pulsator, provided by rotating in washing tank lower part, comprises stages of (a) increasing washing tank rotation speed to predetermined target rate with at least part of linen, submerged into water for washing, (b) actuating washing tank so, that washing tank is rotated during predetermined time with target speed, (c) termination of washing tank rotation, and (d) draining washing water from washing tank, while at least one of stages (b) and (c) is implemented.EFFECT: washing.7 cl, 10 dwg

ethod of applying composition containing cationic trivalent metal and loosener and sheet of loose cellulose made therefrom // 2610240
FIELD: wood working industry.SUBSTANCE: proposed is a method of making a sheet of loose cellulose involving contacting of at least one cationic trivalent metal, a salt thereof or their combination with a composition containing fibres of loose cellulose and water, at the first pH value to form a mixture of loose cellulose; forming a fabric from this mixture of loose cellulose, application of at least one loosening surfactant onto the fabric and raising the pH value to the second pH value, which is greater than the first pH value, for making a sheet of loose cellulose. Also proposed is a sheet of loose cellulose including the fabric containing fibres of loose cellulose, at least one cationic trivalent metal, its salt or their combination, at least one loosening surfactant and having the energy of separation into fibres of <145 kJ/kg. Also proposed are products and applications of the sheet of loose cellulose.EFFECT: proposed is a method of making a sheet of loose cellulose.1 cl

Solvent-based methods for production of graphene nanoribbons // 2609915
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry and nanotechnology. Plurality of carbon nanotubes is exposed to a source of alkali metal in presence of an aprotic solvent and in absence of protic solvent. Carbon nanotubes opened in a direction parallel to their longitudinal axes are obtained. To obtain non-functionalised graphene nanoribbons, opened carbon nanotubes are exposed to a protic solvent. To obtain functionalised graphene nanoribbons, opened carbon nanotubes are exposed to an electrophile. Obtained graphene nanoribbons have specific conductivity of 0.1–9,000 S/cm.EFFECT: invention can be used for production of composites and fibres for displays, deicing circuits, gas-permeable composites and screens.52 cl, 36 dwg, 6 ex, 1 tbl
Coloured in spinning purely aromatic polyamide meta-type fibre // 2609913
FIELD: textile.SUBSTANCE: invention relates to colored in spinning purely aromatic polyamide meta-type fibre, used as heat resistant and fire-resistant fibres preferably in field of protective clothes. Coloured in spinning purely aromatic polyamide meta-type fibre has residual solvent content of 0.1 wt% or less per total fibre weight.EFFECT: wherein colored in spinning purely aromatic polyamide meta-type fibre has higher resistance to decoloration and color fading under exposure to light and higher stability of dimensions at high temperature.5 cl, 1 tbl, 4 ex

Hydroformed composite nonwoven material // 2609722
FIELD: metallurgy.SUBSTANCE: present invention discloses composite nonwoven sheet material making method, involving continuous fibres extrusion from drawing-block, drawing fibres through slit drawing unit into thin continuous fibres, forming of web from loose continuous fibres without thermal connections during fibers laying, web spunlacing, including continuous spun fibres together with short fibers molded by wet or foam method, including natural and/or synthetic fibres or spun fibres, for integration and mechanical connection and forming of thermally unbound composite nonwoven sheet material, wherein creating wet environment during molding and stacking of continuous fibres on stages of fibres laying on already moistened surface, maintaining width of slit drawing unit outlet, opened for more than 65 mm, and liquid is added at slit drawing unit outlet.EFFECT: production of material.17 cl, 1 dwg

Linen processing device // 2609638
FIELD: household appliances.SUBSTANCE: invention relates to linen processing device, including linen reception unit to ensure space for receiving of linen, air supply channel to linen reception unit, first heat exchanger for heat exchange with air, introduced into channel, second heat exchanger located in channel, for heat exchange with air, passed through first heat exchanger, and heat transfer unit, including first conductor in contact with first heat exchanger and connected to DC power source positive electrode, second conductor in contact with first heat exchanger, separated from first conductor and connected to DC power source negative electrode, third conductor in contact with second heat exchanger, P-type semiconductor for mutual connection of first conductor and third conductor and N-type semiconductor for mutual connection of second conductor and third conductor.EFFECT: linen treatment.9 cl, 3 dwg
Organopolysilicone polyether drainage aid // 2609260
FIELD: pulp and paper industry.SUBSTANCE: invention relates to means for dehydration of cellulose. Disclosed is a composition of dehydration means, containing polyorganosiloxanes functionalised with side polyethers and/or aliphatic hydrocarbons, having presented structures. Also disclosed is a method of producing said composition and method for increasing dehydration rate and filtering in procedures for washing and disinfection of cellulose.EFFECT: use of disclosed composition for dehydration significantly speeds up dehydration and improves filtration of fibrous mass when processing cellulose.18 cl, 1 tbl, 8 ex

Preventing of starch degradation in production of cellulose, paper or cardboard // 2609245
FIELD: technological processes.SUBSTANCE: invention relates to process waters treatment. Method of starch degradation degree controlling in starch containing process water from cellulose production provides for process water treatment with biocidal system containing zinc ions and oxidizing or non-oxidizing biocide.EFFECT: disclosed method provides effective reduction or prevention of starch degradation with high quality of production.13 cl, 4 dwg, 4 tbl, 4 ex

ethod of production tufted carpet // 2609217
FIELD: textile.SUBSTANCE: invention relates to a method of making tufted carpet or tiles of tufted carpet, according to which tufted thread (8) is connected by means of tufted thread holder (1) with at least primary lining (7), besides, tufted thread holder (1) comprises multiple channels (2) of tufted thread direction, which perforate tufted thread holder (1) through two opposite sides, wherein tufted thread holder (1) is provided between station (14) of tufted thread clamping on first perforated side (5) and primary lining (7) on second perforated side (6) so, that tufted thread (8) is placed from first perforated side (5) through channel (2) of pile thread direction to second perforated side (6) on or inside the lining (7).EFFECT: production of tufted carpet.21 cl, 2 dwg
Domestic appliance containing a reservoir for water boiling and a scale collector // 2609214
FIELD: personal use and household items.SUBSTANCE: invention relates to electric household appliance containing reservoir (1) for water boiling and scale collector (4), which is located near the bottom of this reservoir (1) and has an elongated shape, to extract or introduce it into reservoir (1) through hole (20), envisaged in the side wall of reservoir (1), collector is introduced into said hole (20) by its end (40) and has at least one cavity (43) with an open top part forming passage (d1, d2), through which the scale particles fall into cavity (43).EFFECT: proposed appliance is characterised by the fact, that a flow section of passage decreases when approaching to end (40) of collector (4).13 cl, 9 dwg

Composite sheet and method of its production // 2609190
FIELD: manufacturing technology.SUBSTANCE: composite sheet (1) by present invention represents sheet, in which like non-woven fabric fibre unit (12) is integrated in one or both sides of cellular sheet or heat-bonded non-woven fabric, which serves as frame material (11), in state where fibres (13), forming fibres unit are woven with each other and also with frame material (11). Composite sheet (1) according to present invention is given three-dimensional uneven geometric shape so, to have multiple projections (2) and recesses (3), and fibers unit (12) forming fibres (13) are lifted from projections (2) and recesses (3) surfaces. Composite sheet (1) according to present invention has ratio of composite fibres number, which are lifted from recesses surface and have height of 1 mm or more, to composite fibres number, which are lifted from recesses surface and have height of 0.1 mm or more, of 25 % or more.EFFECT: disclosed is composite sheet and method of its production.18 cl, 3 tbl, 22 dwg

ethod of input of tail ends of filling weft in loom with additional filling effects // 2609188
FIELD: textile, paper.SUBSTANCE: filling method of tail ends of a filling weft into the shed (1.1, 1.2) of the loom is proposed. With the help of the means (19) of selection of a filling weft, the filling wefts, which are input into the shed with the help of means feeding weft and tacked down to the fabric edge (13) with the help of the reed device (7, 7.1, 10), are selected (3). With the help of weft holding means, the tacked filling weft (3) is held in the area of a fabric edge in a certain position, whereupon, after the input of the filling weft, the replacement of the shed (4) is performed with the help of shed-forming means. Filling wefts are shifted with the help of weft holding means, so they come to a position, in which they are cut with the help of the weft scissors. Whereupon, the corresponding tail end of the filling weft, which is then captured by the filling unit and filled into the shed, is formed. Between two subsequent processes of input of the first and second filling weft, the following processes take place: additional tacking of a reed with the help of the reed device takes place. However, whereupon, the control of the means of selection of the filling weft is performed so that the second filling weft is not input and not tacked to the fabric edge, and the tail end of the first one is not filled into the shed, and the fancy thread passing towards the base is shifted in the loom towards the weft for the creation of additional filling effects.EFFECT: improvement of strength performance.2 dwg

Nonwoven materials binding resin, particularly for bituminous membranes bases making, preparation method thereof and non-woven material produced using said resin // 2609164
FIELD: construction.SUBSTANCE: invention relates to construction and used for roofing, at floors covering, heat insulation and sound insulation, namely, to non-woven materials binding resin, particularly for bituminous membranes bases making. Non-woven materials binding resin consists of starch based aqueous solution, cross-linking agent of natural origin, selected from group of polycarboxylic acids of natural origin, and catalyst selected from group of phosphorus-containing acid alkali metals salts.EFFECT: invention allows to create binding resin, completely consisting of natural and ecologically acceptable origin materials.21 cl, 8 dwg, 8 tbl

Washing machine with bubbles generator // 2608924
FIELD: personal use and household items.SUBSTANCE: invention relates to a washing machine 10 with tank 20 and bubbles generator 40, intended for creation of bubbles in washing solution W inside said tank 20. Bubbles generator 40 contains heating element 41, heating air or mix of air and washing solution W before introduction into tank 20, simplified introduction of hot air into tank 20.EFFECT: washing machine is disclosed.10 cl, 4 dwg

Complex thread forming spinneret // 2608917
FIELD: manufacturing technology.SUBSTANCE: complex thread making spinneret has first surface and second surface parallel to first surface, and comprises plurality of spinning holes, wherein each spinning hole contains: inlet opening, tapered channel and cylindrical shaped capillary. All capillaries outlet sides are located in spinneret second surface plane, wherein spinneret comprises, at least, first group of spinning holes with capillaries and second group of spinning holes with capillaries, wherein second group of spinning holes capillaries have smaller L/D ratio, than first group of spinning holes capillaries, and all capillaries have same diameter, and all capillaries diameter is 100 mcm or less, so that complex thread, made with help of spinneret, has distribution of elementary threads of same diameter.EFFECT: according to invention, to reduce elementary threads breakage during complex thread molding, drawn with high drawing spinneret is used.14 cl, 1 dwg, 1 tbl, 2 ex

ethod of producing yarn with alternating twist // 2608808
FIELD: textile and paper.SUBSTANCE: method can be used for production of yarn with alternating twist and ensures yarn quality with reduction of labor input, simplified design and servicing. Method involves alternating torsion of yarn with help of three identical reversive pneumatic reels, two of which are close to exhaust device, third is to receiving spool. At that, simultaneous twisting of two slivers is performed with same pressure of compressed air into two reels, close to exhaust device, and subsequent twisting of slivers in third connecting reel, approached to receiving reel. Rotation direction of air in all reels is constant and can be both clockwise and counter clockwise. Produced yarn has original structure.EFFECT: method of alternating twist makes it possible to increase strength yarn obtained by reel method.1 cl, 1 dwg
ethod of forming three-dimensional shaped fabric and device for its implementation // 2608807
FIELD: textile and paper.SUBSTANCE: invention can be used on looms for generation of three-dimensional tissues, including profile and laminated frame tissues. Technical result is achieved by using combined weave based on fabric regular structures, including multilayer, and laminated frame fabric with possibility to change trajectory laying weft in vertical and horizontal plane. Method is realised by enabling movement rapiers by height, as well as possibility of movement on different distance across width of machine.EFFECT: higher efficiency and expanded range of multilayer tissues.2 cl, 1 dwg
 
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