Textiles and paper (D)

D            Textiles; paper(37723)
Composition for manufacturing heat-sensitive paper // 2642801
FIELD: chemistry.SUBSTANCE: composition for manufacturing heat-sensitive paper contains a fibrous mixture of 60-80 wt % of cellulose and 20-40 wt % of a chemical-thermomechanical mass obtained by grinding the hardwood chips in two stages. Chemical processing of wood chips before the first stage of grinding is carried out in the presence of deresinator containing anionic, nonionic, cationic, and amphoteric surfactants and isopropyl alcohol with 0.10-0.15 wt % of the absolutely dry wood chips. Before the second stage of grinding, a chemical treatment is carried out in the presence of a deresinator containing anionic, nonionic, and amphoteric surfactants, as well as salts from the group consisting of phosphates, carbonates, silicates, and chelates at a rate of 0.05-0.09% of the absolutely dry wood chips.EFFECT: replacement of a part of expensive cellulose with a modified bleached chemico-thermomechanical mass from hardwood is provided without loss of mechanical strength of paper.2 cl, 1 tbl, 5 ex

ethod and system for lignin processing // 2642787
FIELD: chemistry.SUBSTANCE: method of separating lignin from lignin-containing medium, such as liquid made in the method of processing biomass, for example, from a black alkaline solution produced in the enterprise of recycling of pulp, and processing the separated lignin, includes: the precipitation of lignin from lignin-containing liquid medium, followed by exposure of lignin hydrothermal carbonization in the wet state and the removal of carbonaceous material derived from lignin as a result of the carbonization after the implementation of the hydrothermal carbonization, the method further includes: the regulation of the particle size of the carbonaceous material by bringing the pH value of lignin in the wet state before the hydrothermal carbonization to a value exceeding 7, preferably exceeding 8. The system, a carbon-containing product and the application of the product are also declared.EFFECT: obtaining a hydrocarbon product with a controlled particle size and increasing the profitability of the process.17 cl, 2 dwg
ethod to produce fabrics of cross zigzag shadow weaves // 2642725
FIELD: textile, paper.SUBSTANCE: method to produce fabrics of crossed zig-zag shadow weaves, consisting in forming on the surface of a tissue teeth arranged along an ascending or descending line formed by oblique surround light bands, changing their width and direction along the length of the fabric, in choosing the basic weave of the main class and one of the yarn systems as active, forming the original shadow weave along the passive system of threads with increasing single overlaps in the steps along the base or along the weft; in the choice of the number of weft threads Ky before the break in the weft, the formation of the first and second fragments of the first tooth and the tooth as a whole, followed by the formation of the second tooth. The rapport is determined on the basis of the Ro of the transverse zigzag shadow weave according to the mathematical expressions: - with the active filament yarn system: - for the odd rapport Rb of the base weave Ro=2Rb[Rb (Rb-1)-1]; - for an even rapport Rb Ro=Rb[Rb(Rb-1)-1]; - with the active system of warp threads and any rapport Rb Ro=2 [Rb(Rb-1)-1]; take the magnitude of the shift of the vertices ±Sb, varying multiply the rapport Rb of the base weave with the active weft system within Rb≤|Sv|≤Ro-Rb, with the active main yarn system within Rb≤|Sv|≤Ro-2(Rb-1) warp yarns, then take the number of weft yams Ky to kink in each denticle, taking into account that on the one hand the number of filaments Ky≥|Sc|+Rb+2, on the other hand, with the active yarn system Ky≥2[Rb(Rb-1)-1], with the active warp yarn system and odd rapport, Rb, the number of yarns Ky≥2Rb[Rb(Rb-1)-1], and for the even repeat R6 Ky≥Rb[Rb(Rb-1)-1] weft threads; the rapport Rz of the tooth is determined, the number nz of teeth in the rapport along the weft and the rapport along the weft Ry of the transverse zigzag shadow weave according to the mathematical expressions: Rz=2Ky-[Sc]-2; nz=LCM=(Ro,Sc)/Sc (LCM - the least common multiple); Ry=Rznz. Then on the basis of the source of the shadow weave form oblique light streaks in the first and second fragments of the first teeth and cog in general cross shadow zigzag weave the Ky, Rz and Ro threads; the formation of the second and subsequent teeth exercise, bearing in mind the shift number of vertices ±Sc and number of teeth nz.EFFECT: multivariance of the interlacing of the teeth and the possibility of varying within a wide range of the angle of lifting or lowering the line of teeth of the volume crossed zigzags.5 dwg

ethod for selective evaluating hydratcellulose fibres as precursor with production of carbon fibres // 2642561
FIELD: chemistry.SUBSTANCE: method is described that includes heating hydratecellulose fibres, examining their thermochemical transformation into carbon fibres, and determining physical and mechanical properties, characterized in that the test HC-fibres are subjected to derivatographic analysis in comparison with a similar analysis of the HC-sample of the reference fibre, evaluating the obtained data, selecting the test HC-fibres nearest to the reference HC-fibre during pyrolysis is carried out, then the selected HC-fibre is tested for the process of the thermochemical transformation into a carbon fibre using the technology of producing a reference sample and the technology mode for producing the carbon fibre of the test fibre is corrected.EFFECT: high efficiency of selective evaluation and process optimisation in the production of carbon fibres based on new hydrate-cellulose raw materials.1 dwg, 1 tbl, 1 ex
Chemical method of pulp cooking // 2642417
FIELD: chemistry.SUBSTANCE: caustic soda is substituted with cheap lime and complexing, flocculation and acid-base neutralisation of aluminium sulphate are additionally used, the useful ingredients contained in black liquor are reused, output close to the yield of pulp is achieved, high-quality pulp is produced, cyclical utilisation of black liquor is carried out, and the problem of its pollution is solved.EFFECT: highly effective pulp production.10 cl

Washing machine and method for controlling washing machine // 2642412
FIELD: human vital needs satisfaction.SUBSTANCE: invention relates to a method for controlling a washing machine, comprising the following stages: (a) determination of the amount of clothing in the inner tank, (b) configuration of the washing process setting based on the amount of clothing determined at the stage (a), (c) water supply into the inner tank and calculation of the time of preliminary water supply necessary for the water level in the outer tank to reach the preset preliminary water supply level, (d) spraying of the water discharged from the outer tank into the inner tank through the circulation nozzle by means of actuating a pump and calculating the change in the water level in the outer tank, when the water is sprayed through the circulation nozzle, (e) adjusting of the washing process setting based on the time of the preliminary water supply calculated at the stage (c) and the change in the water level calculated at the stage (d), and (f) performance of the washing process based on the adjusted setting.EFFECT: improved service reliability.19 cl, 30 dwg, 1 tbl

Household appliance // 2642401
FIELD: human vital needs satisfaction.SUBSTANCE: invention relates to a household appliance with a door (101) of the household appliance which is adapted to be locked in a closed position by the power circuit with the locking device (103). The household appliance (100) includes an electromechanical device (105) of the door opening to create the pressure on the inner side (107) of the door (101) of the household appliance adapted to overcome the action of the power circuit created by the locking device (103).EFFECT: increasing the ease of use.15 cl, 5 dwg

Household appliance containing closing element for hole for maintenance // 2642396
FIELD: human vital needs satisfaction.SUBSTANCE: invention relates to a household appliance with a closing element for locking a hole for maintenance, characterized in that the closing element comprises at least one locking latch extendable from the side for locking the closing element in the hole for maintenance and a swing gate for actuating the locking catch.EFFECT: improved service reliability.13 cl, 8 dwg

Textile material, in which flat cross section fibre with set of protuberances is used // 2642051
FIELD: textile, paper.SUBSTANCE: according to the present invention, it is provided the fabric, having low surface density, small thickness, high strength, low air permeability and very good glossiness, the garment and the outer covering of the down product and the down-padded coat. More particularly, the present invention provides the fabric suitable to use as the topcoat, for example, sportswear, casual wear, women's and men's clothing, represented for example by down-padded coat, wind jackets, golf clothing and raincoats; the garment is created, it was made by using the fabric, at least partially; and the outer covering of the down product and the down-padded coat is created, it was produced by using the fabric, at least partially. The fabric according to the present invention is the fabric, that is calendered on one or both sides comprising the polyamide fiber, using as the warp and/or weft, at that after calendering, the linear density of the single fibre is 0.5-2.5 dtex, and the total linear density of the fibre is 5-50 dtex; the single elementary fibre has the cross-sectional shape, which is the flat multifoil with 6-10 protruding parts, and the flat ratio (W) (α/β) is 1.5-3.0; where the fabric has the filling factor of 1200-2500.EFFECT: improvement of properties.7 cl, 5 dwg, 3 tbl

Dispenser for washing machine // 2642040
FIELD: human vital needs satisfaction.SUBSTANCE: invention relates to a dispenser for a washing machine with a carrier receiving, if necessary, one or more tanks in a given position (positions). Each of the tanks contains at least one substance and there is at least one outlet, and with a hydraulic adapter for connecting the outputs of the tanks to the device for withdrawal of the relevant substance as needed. It is envisaged that the hydraulic adapter has plenty of connection places to the outputs compatible with accession to the outputs of the received tanks that the number of the connection places to the outputs is equal to the number of outputs of the received tanks or exceeds it, that the connection places to the outputs form at least two groups. The location of positions of the connection places to the outputs of the first group corresponds to the location of positions of the connection places to the outputs of the second group, and that the execution of the tanks and the location of their outputs is that if there are several inserted tanks the relevant outputs of each of the tanks are combined with the connection places to the outputs, in different groups.EFFECT: providing a dispenser that allows for automatic dosing and, at the same time, a flexible and particularly user-friendly adaptation to various types of objects to be cleaned or to the running wash programmes.9 cl, 6 dwg

Non-woven material and absorbing product using it // 2642033
FIELD: human vital needs satisfaction.SUBSTANCE: non-woven material containing the first protruding portion passing to the first side of the surface in a horizontal projection of the non-woven material in the form of a sheet, and the second protruding portion passing to the second side of the surface as the opposite side from the first surface, where a plurality of the first acting portions and the second protruding portions, alternately through the wall parts, is distributed in two directions: the first direction and the second direction, in the horizontal projection of the non-woven material, where the wall part has the orientation of the fibres along the direction connecting the first protruding portion and the second protruding portion, almost anywhere in the direction of the surface defined as the first direction and the second direction.EFFECT: improvement of the product properties.24 cl, 17 dwg, 5 tbl

Clothes dryer // 2641885
FIELD: human vital needs satisfaction.SUBSTANCE: clothes dryer comprises a housing, a drying drum disposed in the housing, a suction port supplying hot air to the drying drum, a heating device disposed in one place of the suction port for heating the air introduced into the suction duct to a high temperature, an exhaust port through which hot air discharged from the drying drum flows, an air blower installed in one place of the exhaust port for forced air injection into the interior of the drying drum, a filter for removing lint mounted in other place of the exhaust port, a guide port forming the exhaust port portion to accommodate a filter for lint removal in it, and a locking element disposed in a place where air discharged from the drying drum flows.EFFECT: increased operation reliability.10 cl, 9 dwg

Twisted reinforced thread // 2641874
FIELD: textile, paper.SUBSTANCE: twisted reinforced thread contains an unarmoured component in the form of polyether twisted yarn and reinforced polyether core yarn, core of the reinforced yarn is formed by two complex yarns with different linear density each. The ratio of linear densities of the yarns is 1:0.5-0.7.EFFECT: improving the physical and mechanical properties of the yarn due to the creation of a homogeneous elastoplastic composition and increasing the wear resistance of the yarn.1 dwg, 3 tbl

etal complexes of octa-4,5-[4-(1-methyl-1-phenylethyl)phenoxy]phthalocyanine as luminescent materials and dyes for polymeric materials and method of their production // 2641743
FIELD: chemistry.SUBSTANCE: metal complexes of octa-4,5-[4-(1-methyl-1-phenylethyl)phenoxy]phthalocyanine having luminescent and dyeing properties, the formula specified in the description are proposed. The method of producing the specified metal complexes includes the interaction of 4,5-dichloropropionitrile with 4-cumylphenol in the presence of potassium carbonate in dimethylformamide for 8.0-8.5 hours at 85-90°C. After stopping the heating, the reaction mass is poured into water, the precipitate is filtered, washed with isopropanol and dried at 80-90°C. The resulting 4,5-di[4-(1-methyl-1-phenylethyl)phenoxy]phthalonitrile is fused to the metal salt at 155-200°C.EFFECT: producing these metal complexes from available raw materials with increased yield when expanding their range.2 cl, 18 dwg, 10 ex
Flexible heat and soundproofing fiber material of low density // 2641495
FIELD: construction.SUBSTANCE: flexible heat and soundproofing fiber material is proposed, containing mineral fibers and fibers of plant origin as a base. As the fibres of plant origin, the material contains cotonised flax fibers, as well as mineral fibres: fibres with a diameter of 5 mcm, selected from a group containing basalt, quartz, silica fibers or fibers based on aluminium oxide, in addition, the material contains organic binder. The material density is not more than 15 kg/m3.EFFECT: ensuring reliable operation of the thermal insulation in terms of cyclic thermal loads and vibrations and ability to resist extreme heating in cases of fire, a significant decrease in the proportion of material and increase in its flexibility while maintaining strength and thermal properties of the material, providing the requirements of fire safety in case of fire.6 cl, 1 tbl
ethod of manufacturing products from papier-mache // 2641484
FIELD: human vital needs satisfaction.SUBSTANCE: paper material is wound on the blank corresponding to the shape of the product, layer by layer coated with the adhesive, pressed, dried, the preform is impregnated with a vegetable oil, dried, cut into pieces corresponding to the dimensions of the product, and the product surface is handled. New features are layer-by-layer gluing the paper material, carried out with flour paste made from wheat flour with a mass fraction of wet gluten of not less than 28% and water in the ratio of 1:3.5. Sides of the wound paper material glued on the blank of a rectangular cross section is subjected to compression under a pressure of 490*104 PA for 10-15 min, and before drying the preform with a moisture content of 65-70% is removed from the blanks, impregnated at a temperature of 75-80°C for 90-130 min with linseed oil with the addition of up to 3% by volume isopropyl alcohol with the further drying of the preform by heating to constant weight, in the mode - 6 days not less than 60°C with a subsequent increase in temperature by 10°C, bringing the temperature up to 110°C.EFFECT: shortening the duration of the technological process by accelerating the impregnation of the preform while maintaining the shape while increasing the strength of papier-mache products.2 tbl
ethod of dyeing and finishing of thermo-, fire-resistant aramid textile materials // 2641471
FIELD: textile, paper.SUBSTANCE: method of dyeing, which includes processing of pre-purified material by aqueous solution of an intensifying anion-active and emulsifying non-ionogen surfactant composition with its subsequent dyeing by cationic dye in an acid medium in the presence of an electrolyte at 125-130°C for 60 min, washing with hot water of at least 80°C, soaping and reduction treatment in a soda-hydrosulfite liquor. After drying at the stage of finishing the dyed material is subjected to impregnation with a composition consisting of a fluororganic drug, polacryl, polyvinyl alcohol, with subsequent drying and heat treatment.EFFECT: method makes it possible to obtain a uniform intensive coloration with high strength properties.1 tbl
Textile blanks, composite materials, reinforced by fiber and methods for their manufacture // 2641467
FIELD: textile, paper.SUBSTANCE: method includes interlacing of a plurality of warp yarns with a single weft yarn, so that a tubular woven structure with a central axis is obtained. The blank can be woven using a continuous or tubular weave method and can be woven with at least two diameters along its length. The blank may comprise one or more layers of fabric formed on or attached to at least one surface of the tubular woven structure. The final structure may be a part of the window, rim of the wheel or combustion chamber in the jet engine.EFFECT: improved structural integrity of reinforced composite materials.33 cl, 10 dwg

ethod for washing machine control for special items washing // 2641432
FIELD: satisfaction of human life necessities.SUBSTANCE: water volume equal to at least 20 litres is loaded into the machine drum; initial water heating for washing to a reference temperature not exceeding 25°C is performed; then a series of rotational motions of the drum takes place at a speed not exceeding 35 revolutions per minute; then spinning is done at a speed not exceeding 100 revolutions per minute, to obtain laundry items sattelization in the drum.EFFECT: method improvement.8 cl, 1 dwg

ethod of producing polymer film with discrete luminescent dyeing for paper anti-falsification tools // 2641138
FIELD: chemistry.SUBSTANCE: method of producing a polymer film with discrete luminescent dyeing for paper anti-falsification tools includes the steps of dyeing the polymer film material with fluorescent dyes. Hydrophilized polypropylene microporous membranes obtained by dry stretching are used as a polymeric film material. The film material is discreetly dyed with ink jet printing with aqueous fluorescent ink and laminated on both sides with thermally activated films at a temperature of 135°C.EFFECT: improved method of producing polymer film materials for paper security, which eliminates the contact of paper pulp with a phosphor, provides high quality discrete dyeing and an increase in the life of protective tools.1 dwg, 1 ex
Fluff pulp and core with high sap content // 2641136
FIELD: chemistry.SUBSTANCE: fluff pulp in the form of a core comprises 5-25 wt % of hardwood fibres and one or more superabsorbent polymers (SAP). The fluff pulp has a SAP retention of more than 75 wt %. Fluff pulp is used in an absorbent product, a paper product, a subject of personal hygiene, a medical product, an insulating product, a construction product, a structural material, cement, a food product, a veterinary product, a packaging product, a diaper, a tampon, a sanitary napkin, gauze, bandage, a fire-resistant material, or their combination.EFFECT: increasing the content of superabsorbent polymers, reducing the thickness and increasing the softness of the core.14 cl, 6 dwg, 4 tbl, 2 ex

Composite material including warp knitted textile panel which has first and second opposing front surfaces while said first front surface is covered with a layer consisting of at least one polymer material and method of its manufacture // 2640995
FIELD: textile, paper.SUBSTANCE: invention relates to a composite material including a warp knitted textile panel having ribs corresponding to the direction of the base and rows of loops corresponding to the direction of the weft and the first and second opposing front surfaces, while the said first front surface is covered with a layer of at least one polymer material. Each of these ribs favourably includes the first loops, shaped on every second row of loops if the first thread is used, and the second loops, shaped on every second row of loops if the second thread is used, while the first and the second loops alternate on every second row of loops and have opposite directions. In addition, in the weft direction, each of the threads selected from the first thread and the second thread, alternately forms loops on each second row of loops.EFFECT: improved material properties.15 cl, 14 dwg
Forming drum // 2640993
FIELD: machine engineering.SUBSTANCE: forming drum for formation of a cloth from short fibers consists of at least two strong frames of annular shape located at a distance from each other and connected by transverse plate elements located radially and forming together with the strong frames a framework for placing a circular meshy surface. The meshy surface is formed by laying radially directed plates, one of which is inserted into the slits of the other plates, along and across the honeycomb section. According to the invention the circular meshy surface is made of at least two sections arranged in a circumferential direction and each of which is located on a separate honeycomb section made in the form of an archwise curved frame limiting the honeycomb structure composed of rectangular cells in the plan and the plates that are forming a meshy surface are located on the honeycomb section with support on the cell-forming plates. To fix the plates on the honeycomb section, a part of transversely and longitudinally disposed plates is executed with tongues with bent ends for engaging with the cell-forming plates on the back side of the honeycomb section. On the top of each frame a detachably mounted grid for the precipitated short fibers is placed.EFFECT: improving the quality of the resulted finished product.3 cl, 9 dwg

Device for guiding of flexible cord coming out of clothes care device // 2640982
FIELD: human vital needs satisfaction.SUBSTANCE: device includes a guide tube with a slot for sliding the flexible cord of the clothes care device and a fastening portion for securing the guide tube to the support so that the guide tube is located near the height at which the clothes care device is used or below it. The lower part of the flexible cord that hangs down through the guide tube and below it supports the upper portion of the flexible cord extending between the clothes care device and the guide tube substantially straight or stretched when the clothes care device moves to and from the device.EFFECT: increased convenience.9 cl, 6 dwg

Needle-punched mat // 2640979
FIELD: transportation.SUBSTANCE: needle-punched mat for using in a car, comprising at least a needle-punched face layer as the top layer, made of staple fibres, distinguished by the fact that the staple fibres contain hollow fibres, the content of the hollow fibres being at least more than 45 wt % of all staple fibres.EFFECT: preventing vehicle bottom corrosion in the cabin area.16 cl, 5 dwg

Filaments containing active components, suitable for oral supplementation, non-woven fabrics and methods of manufacturing them // 2640933
FIELD: medicine.SUBSTANCE: nonwoven fabric suitable for swallowing, used to deliver one or more active components, is described. Filaments containing filament-forming material and an additive suitable for supplementation of an active component are described. Non-woven fabrics and methods for manufacturing such filaments are described. The nonwoven fabric contains filaments that contain typically incompatible active components.EFFECT: improved connections.29 cl, 6 dwg, 5 ex

Refractory polymer composition // 2640769
FIELD: chemistry.SUBSTANCE: invention relates to the refractory polymer composition suitable for use when applying the coating on the treated articles containing thermoplastic polymer containing vinyl acetate, and an unsaturated elastomer containing double bonds as polymeric components, where the polymer components are present in the form of a homogeneous polymer blend, and where a composite matrix is formed, vulcanized only with the use of sulfur or a crosslinking system containing sulfur, where the sulfur crosslinking system is distributed throughout the matrix and fully penetrates into the matrix, and at least one flame retardant or a combination of flame retardants. The invention further relates to articles obtained from such a composition and to composite elements coated with the composition as well as to the method for their preparation.EFFECT: producing compositions for protecting a dynamically tense component with a coating of this composition, so that the aggregate component is sufficiently refractory, in particular, complies with the standard for fire safety CEN TS 45545-2 without rendering noticeable adverse effects by the specified coating on the dynamic properties of the composite element during its service life.38 cl, 16 dwg, 5 tbl, 5 ex

Composite reinforcing yarn, prepreg, tape for 3d printing and installation for their production // 2640553
FIELD: chemistry.SUBSTANCE: composite reinforcing yarn contains a roving of reinforcing fibers impregnated with a thermosetting binder, with a cross-section in the form of a circle with the diameter of 0.1-0.7 mm or ellipse with the ellipticity of 1 to 2 and the largest diameter of 0.1-0.7 mm. Impregnated roving is subjected to a temperature treatment until the thermosetting binder is completely cured. From the filament, prepreg is obtained by adding a thermoplastic binder. The tape is obtained by joining the yarn or prepreg with jumper wires made of thermoplastic material. The yarn is produced in an installation containing a bobbin, on which a coil with roving of reinforcing fibers or reinforcing and functional fibers is installed, an impregnating device, two heat treatment chambers, a ready-made filament receiving unit, a receiving coil. The temperature in the first chamber is 70-130°C, in the second chamber - 160-400°C. To produce the prepreg, a thermoplastic coating device is added to the installation to impregnate the thermosetting binder and fully cured roving.EFFECT: invention allows to reduce the complexity of producing parts with a thermoplastic matrix, the duration of producing the product; increasing the shelf life of raw materials and the efficiency of producing the products from composite materials.13 cl, 6 dwg

Coating compositions for building materials and substrates of building materials with coating // 2640544
FIELD: chemistry.SUBSTANCE: coating composition adapted to selectively retain water vapour as a function of humidity when cured to form a barrier layer, comprises a hydrophobic component comprising a styrene-butadiene latex having a carboxylation of 0 to 20%; a hydrophilic component comprising a polymer selected from polyvinyl alcohol and sodium polyacrylate and a hydrophilic filler selected from kaolin clay; the coating composition after curing is effective to provide variable water vapour permeability of 1 perm or less at an average relative humidity of RH of 25% and about 15 Perm or more at an average relative humidity of 95% as measured by ASTM E96 at 21°C, and tested by applying and curing the composition on craft paper. The invention also relates to an article capable of selectively retaining water vapour, depending on humidity, comprising a substrate of a building material and a barrier layer applied to a substrate of a building material obtained by curing the above coating composition. The coated article is designed in such a way that it can exhibit a certain permeability profile such as, for example, a variable value of water vapour permeability of about 1 Perm or less at an average relative humidity of RH of 25% and about 15 Perm or more at an average relative humidity of 95 %, measured according to ASTM E96 at 21°C.EFFECT: improvement of characteristics.13 cl, 3 dwg, 2 tbl
ethod for production of antimicrobial silver-containing cellulose material // 2640277
FIELD: textile, paper.SUBSTANCE: method for the production of an antimicrobial silver-containing cellulosic material is claimed, comprising the treatment of a cellulose-containing material with a previously prepared aqueous dispersion of silver particles, followed by dehydration and drying. Wherein the dispersion of silver nanoparticles with the silver concentration from 0.006 wt % to 0.06 wt % contains preparations not reducing the aggregative stability of the silver particles, namely, gelatine, a cation-active polyelectrolyte, e.g. chlorhexidine, miramistin, a preparation based on polyhexamethylenguanidine hydrochloride or quaternary ammonium compounds, and a reductant, e.g. sodium tetrahydroborate or alkaline solutions of starch. In addition, the aqueous dispersion of the silver particles may contain a film-forming compound, for example PVA, PVS.EFFECT: increasing the efficiency of producing an antimicrobial cellulosic silver-containing material and ensuring its high biological activity during long operation after humid-heat treatments.6 cl, 2 tbl, 26 ex
Biodegradable film and laminate // 2640243
FIELD: chemistry.SUBSTANCE: biodegradable film comprises PHA and PLA, wherein the PLA content is 1-95 wt %, where PHA is PHB or PHV or a copolymer or a mixture of PHB and PHV, wherein PHB is P(3HB-co-4HB) polymerized with 3HB and 4HB, and the molar percentage of 4HB is in a range of 5 to 85%. The biodegradable film further comprises a cellulose fibre. The invention also relates to biodegradable laminate that contains PBAT or PBS or a mixture thereof and the said biodegradable film.EFFECT: laminates are characterized by a stronger biodegradability in a medium containing microorganisms and are characterized by a good shelf life and good strength, rapid adaptation, and flexibility.20 cl, 12 tbl
Industrial tissue comprising extruded mesh and method of its production // 2639984
FIELD: textile, paper.SUBSTANCE: structure is represented by a two-component extruded elastomeric mesh material or a mesh.EFFECT: high degree of compressibility under a load applied perpendicularly, and excellent elastic recovery after load removal.73 cl, 10 dwg

Washing machine // 2639966
FIELD: human life necessities satisfaction.SUBSTANCE: washing machine including a pump configured to selectively supply water to the circulation hose and water outlet hose is described. The pump includes an electric motor rotatable forwards and backwards, and a casing configured to form an area in which the impeller rotated by the pump motor is located. The pump casing includes a supply port into which water from the outside tank is supplied, a circulation water outlet connected to the other end of the circulation hose and a water outlet connected to the water outlet hose. In addition, the pump casing includes a water outlet and a circulating water outlet formed in a circumferential direction so as to be spaced apart from each other on an annular inner surface defining a gap between the pump casing and the impeller.EFFECT: increased reliability.15 cl, 25 dwg
Laboratory line of production and research of carbon fibres // 2639910
FIELD: technological processes.SUBSTANCE: line includes two interconnected independent units: a thermal chamber for oxidative thermostabilization of polymer fibres up to 300°C, a through furnace for treatment of oxidized polymer fibres from 800 to 3200°C and an aggregate for possible finishing of the carbon fibre produced. The thermal chamber unit contains a thermostatically controlled sealed thermal chamber 1 with a temperature control system configured to control the temperature of the walls and the supply air according to a predetermined program in an automatic mode, a system 4 of fibre feeding, receiving and holding, equipped with a worm gear, a heated air supply system including an air pump 3 and a heater 2, a fibre tension measuring system comprising of a device 6 for fixing the deformation changes in the fibre, a roller 7 and a weight 8 for creating the required load. The through furnace unit of the oxidized polymer fibre heat treatment includes a heat treatment furnace body, divided into a precarbonization furnace 9 and a carbonization furnace 10, hermetically connected to each other, a system for fixing and controlling the temperature in the furnace, a system for removing and neutralizing the thermal destruction gases, a fibre feeding system containing a creel 11 and seven-rolls 13, a system for receiving fibre from the furnace, including the seven-rolls 13 and a receiving-winding device 12, a roll speed control system, a tension force measuring system and an inert gas supply system including a container 15. The apparatus for finishing the produced carbon fibre comprises of an impregnating bath 19, three-rolls 18 and a drying oven 20.EFFECT: study of the mechanism of thermostabilization, carbonization and graphitization, improvement of fibre characteristics.5 cl, 6 dwg
ethod of manufacture of paper with transparent sites and paper with transparent sites, manufactured by this method // 2639809
FIELD: textile, paper.SUBSTANCE: method of manufacture of paper with transparent sites of the specified form includes grinding fibrous raw materials based on cotton, preparing a suspension for sheet formation, introduction of a filler, dye and other additives to the suspension, paper web formation, applying the composition to the local sites of the paper to increase transparency and its curing. As a filler, aluminium silicate is introduced into the suspension, characterized by an average particle size of not more than 7 mcm, whiteness of at least 95%. As a colorant, a dark dye is added in an amount of not more than 0.001 by wt % of the weight of absolutely dry fiber to the colour coordinate L* not less than 90.EFFECT: increased protection against falsification.2 cl, 10 ex

Protective element for polygraphic products and fraud-proof polygraphic product // 2639807
FIELD: physics.SUBSTANCE: protective element is proposed comprising luminescent regions forming latent colour images visible when irradiated by exciting radiation of UV-band, made with inks containing nanocrystalline materials based on quantum dots. One part of the image is characterized by the spectral composition of the radiation consisting of one narrow-band line, and the other part of the image is characterized by the spectral composition of the radiation consisting of at least two narrow-band lines. The luminescent colours of the mentioned images are identical when viewed with the naked eye, but are different when viewed through the narrow band colour filters that ensure the selection of the spectral composition of the luminescent radiation. The stated task is also solved by the polygraphic product which comprises a protective element characterized above.EFFECT: creation of a reliable protective element, the authenticity of which can be verified visually with the help of simple technical means.5 cl, 2 dwg

Barrier for mineral oil // 2639776
FIELD: chemistry.SUBSTANCE: invention relates to the use of a liquid composition as a barrier layer for packaging materials. The liquid composition comprises at least one terephthalate ionomer and at least one calcium carbonate containing a filler. Terephthalate ionomer contains anionic substituents selected from the sulfonate groups having an acid number of at least 1 mg KOH/g of ionomer.EFFECT: improved properties.9 cl, 5 tbl, 1 dwg, 5 ex

Depth filter from nonwoven self-supported material // 2639702
FIELD: ventilation.SUBSTANCE: depth filter of a non-woven self-supported material consists of polymeric supporting fibers with microsize diameters and embedded in the supporting fibers of polymeric filter fibers with nanoscale diameters. The supporting fibers form a coherent three-dimensional filter cage. The filter fibers in the filter capacity are distributed in such a way that their density in the filter capacity is different and increases from the surface of the filter facing the incoming flow of the medium to be cleaned to the surface of the filter through which the medium to be purified exits.EFFECT: consistent high quality of air or gas purification for a long time.5 cl, 3 dwg

ethod of washing machine control with functionality of quick end of wash cycle // 2639272
FIELD: human vital needs satisfaction.SUBSTANCE: method comprises: initiating a predetermined wash cycle; obtaining an early completion command during the execution of the mentioned predetermined wash cycle; after receiving the mentioned command, stopping the mentioned predetermined wash cycle and executing the completion cycle.EFFECT: availability of the machine for a predetermined time.15 cl, 1 dwg

Washing machine // 2639265
FIELD: human life necessities satisfaction.SUBSTANCE: washing machine of the present invention comprises: the internal tank, which receives the laundry; the pulsator, which is placed for rotation in the internal tank, and the guides that are mounted on the pulsator, and the guides that guide the wash water, which rotates in a circumferential direction in the internal tank, to the centroidal rotation axis of the internal tank due to the collision with wash water.EFFECT: service reliability upgrading.25 cl, 19 dwg
Drying section, way of drying web from fibre material and machine with drying section // 2639108
FIELD: heating system.SUBSTANCE: druing unit has, at least, one nozzle for supplying the drying fluid to the web in such a way that the drying fluid with the excited vibrations is directed to the web, at least, one outlet device for moist air obtained during the convection drying, and a conveying means for moving the web relative to the drying unit. The drying unit has, at least, one ultrasonic generator that is located in the region of the nozzle to create oscillations of the drying fluid so that ultrasound can help to reduce the moisture content over the entire width of the web.EFFECT: reduction of the moisture content in the web by means of convection drying.16 cl, 7 dwg
Geotextile mesh with high mechanical resistance and reinforced connection for networks or devices laid in ground // 2639068
FIELD: construction.SUBSTANCE: geotextile mesh is described, comprising reinforcing fibres assembled into parallel cords forming strips (101, 103, 105) oriented in at least two directions, said strips being separated by intervals of at least 15 millimetres, said strips have the same or different width from 10 to 200 millimetres. In addition, the strips (106) with the largest width exceeding 60 millimetres are located at the mesh edges.EFFECT: increasing the reliability.15 cl, 11 dwg

Washing machine // 2639066
FIELD: satisfaction of human life necessities.SUBSTANCE: washing machine is described, including housing, that has an inlet port on the front panel to load laundry, and a door to open or close the inlet port, a tank in the housing for washing water, drum, a drum communicating with the inlet and installed with a possibility of rotation in the tank, and the detergent dispenser drawer below the inlet port. The detergent dispenser includes a dispenser housing having an opening portion on its upper surface and an automatic detergent supply device and/or a manual detergent supply device installed in the dispenser housing. The automatic detergent supply device includes a container with an inlet and an outlet, to contain the liquid detergent, a container placement plot to accommodate container, and a pumping unit for selective filing of the specified amount of liquid detergent supplied from the container outlet.EFFECT: improved device reliability.15 cl, 24 dwg

Washing machine // 2639063
FIELD: satisfaction of human life necessities.SUBSTANCE: washing machine is proposed including: a housing with a loading hatch formed on the front panel for laundry loading, and a door for loading hatch opening or closing; a tank inside the housing for washing water; a drum communicating with the loading hatch and rotatable inside the tank; a detergent dispenser provided below the loading hatch; a water channel to supply washing water from the water source to at least one of the detergent dispenser and tank; and a connection passage to connect the tank and the detergent dispenser to transfer the washing water contained in the tank to the detergent dispenser and transfer the detergent contained in the detergent dispenser to the tank.EFFECT: improved device reliability.15 cl, 24 dwg
ethod for manufacturing rope from grass // 2639040
FIELD: agriculture.SUBSTANCE: method for manufacturing a rope from grass consists in that in the beginning a site with grass easily torn off from the root is selected. Then by a rope-forming means made in the form of a stick with a hitch at one end, the top portion of the unplucked grass bundle is gripped, and the bundle is twisted by rotating said means around its own longitudinal axis. The gripped grass bundle is pulled in the direction opposite to its natural or specially created slope. After obtaining part of the rope, it is wound on the stick, and the rope continues to be formed to the desired length by rotating the stick around the axis perpendicular to its own longitudinal axis.EFFECT: quickly manufacturing a rope quite even by thickness in the field conditions, almost without improvised means.5 cl

Valuable document protected from forgery and method of determining its authenticity // 2638848
FIELD: physics.SUBSTANCE: valuable document contains an identification mark based on the elements made of an amorphous ferromagnetic alloy. The elements are segments of microwires connected to each other, having the ability to emit electromagnetic pulses with a jump-like magnetization reversal under the influence of an external sinusoidal magnetic field. The intensity of the exciting magnetic field is chosen to be from 0.1 to 1000 A/m, and the frequency of this field is in the range of 0.1 to 100 KHz. The pulses emitted at the field magnetization have the options characteristic for the protective label of number: the number of pulses, the ratio of their intensities and phases measured relative to the zero-phase referred to the magnetic field, with the formation of a given code.EFFECT: invention provides a high degree of protection of documents and reliability of determining their authenticity.12 cl, 4 ex, 2 dwg

ethod for optimizing contact resistance in current-conducting textile materials // 2638751
FIELD: electricity.SUBSTANCE: method may comprise: choosing a discriminating action for the textile material, choosing a combination of variables among thread variables, stitch variables and textile variables; and intertwining a current-conducting thread by knitting into textile material in accordance with the chosen combination of variables, wherein the knitted combination of variables ensures optimum contact resistance in the textile material correlated with electrical conductivity necessary for the discriminating action.EFFECT: predicted contact area of the thread for a current-conducting thread correlated with the optimum contact resistance.13 cl, 23 dwg, 1 tbl

Technical fabric and welding method of seam area, using ultrasonic welding // 2638516
FIELD: textile, paper.SUBSTANCE: invention relates to the methods of technical fabrics seam area ultrasonic welding, using the textured sonotrode and/or a support. The fabric edges are overlapped, like woven, or one or both of the edges may have several loose warp or weft threads. The method includes connecting of fabric overlapped edges by means of ultrasound, thickness reduction of two edges placed one above each other up to the cloth thickness of the fabric itself.EFFECT: connected area can be perforated, using the laser or other mechanical means to create the seam, having the same woven texture and permeability as the fabric cloth.50 cl, 33 dwg
Polymer-woven waterproof fire-resistant material (frost resistant version) // 2638512
FIELD: chemistry.SUBSTANCE: invention refers to the field of polymer processing, in particular, to the production of a polymer-woven waterproof fire-resistant material (frost resistant version) intended for the production of technical products, to which there are higher demands for fire safety. Material includes polyester base, which is used as a technical polyester fabric, and a double-sided PVC coating, in composition of which a composite plasticiser retardant of the brand "FosfaKhim TT", chlorinated paraffin of the brand HP-470, fillers: zinc borate, antimony trioxide, magnesium hydroxide ecopiren 3.5 are introduced to improve the fire resistance, and thermoplastic polyurethane TPU KM-80 is introduced to improve the frost resistance.EFFECT: material has a flammability group G1 in accordance with GOST 30244 and a frost resistance minus 50 degrees.2 tbl

Heat-resistant fire-resistant material // 2638335
FIELD: construction.SUBSTANCE: invention can be used in the manufacture of protective clothing designed for operation in high-risk conditions and resistant to aggressive media, in particular to a material ensuring the protection from thermal risks, sparks, and metal spatter. A heat-resistant fire-resistant multilayer material with polymer coating is described, consisting of one and a half layers of a fabric made from para-aramide fibre threads, in which the fabric is characterized by interlacing with a repeat, equal to 4 threads by the warp and to 8 threads by the weft, for the building of which more than one system of weft threads is used. The spaces between the threads are less than their diameter with the surface material density not less than 320 g/m2, and the heat-resistant polymer coating of the fabric is made on the basis of fluorine rubbers and/or a silicone composition.EFFECT: fire-resistant multilayer material based on para-aramide fibre and a polymer binder with the possibility of operation in corrosive media has been obtained.3 cl, 1 dwg, 1 tbl