(57) Abstract:The inventive material is composed of fibrous layers bonded together by hypoproteinemia made of mineral and silicate fibers. The ratio of the fibers is, wt.%: silicate fiber - 65-3, mineral fiber - 35-97. table 2. The invention relates to the chemical industry, namely, non-woven glass fiber insulation materials derived from waste textile glass continuous fiber, and can be used in the textile industry.Known in the textile industry of non-woven fibrous material  containing a mixture of sealed hypoproteinemia fibrous thread-mass recovered from sewing scraps of cotton fabrics in the amount of 50-60% by weight of the material and the PVC shrinkable fibers in the amount of 20-30% by weight of the material. Nonwoven fibrous material further comprises a polyester fiber with the remnants of the latex in the amount of 20-30%
The disadvantages of this material are low temperature resistant polyvinyl chloride (50oC) and poliefiry (175oC) fibers, as well as the Flammability of the cotton hair is also Known multilayer nonwoven material  contains two layers haloprogin paintings of natural chemical fibers or mixtures thereof, sewn filaments knitted weave, between which there is at least one layer of fibrous cloth made of natural fibers or mixtures thereof, bonded hypoproteinemia with one of the layers holstering cloth constituting 20-12 wt.h. from the mass of non-woven material. The content of the tufting yarns haloprogin the canvas is 30-49 wt. including the weight of the blade, and the content of fibers in haloprogin paintings and fibrous canvas is 6-21 wt.h. from the mass of material.The disadvantage of this material is the low stability of the used natural (cotton) and chemical (rayon) fibers to a heat treatment, as well as the complexity of the technology.Widely also known nonwoven material  insulation purposes, containing three fibrous layer made of complexes shtabelirovaniya waste fiberglass, bonded hypoproteinemia.The disadvantage of this material is not high enough performance characteristics: relatively high conductivity, the lack of resistance to temperature is raised needle-punched nonwoven material heat and sound insulation purposes, including mineral and glass fiber (as mineral fibers are asbestos fibers) 
The disadvantages of this material are not sufficiently high operational properties (conductivity, temperature), the difficulty of obtaining asbestos fibers. In addition, the presence of non-woven asbestos fibers are carcinogenic entails the violation of a safe work environment.The objective of the invention is to develop a nonwoven material having improved operating characteristics (over low heat conductivity, higher temperature), the improvement of working conditions.The solution is achieved by the fact that non-woven material consisting of interconnected hypoproteinemia fibrous layers containing mineral and silicate fiber, the ratio of the fiber weight. is: silicate 65-3, mineral 35-97.The proposed material is prepared on punched aerodynamic lines LIP-210 as follows.Fibrous mass consisting of a mixture of shtabelirovaniya glass and basalt fiber length of 30 to 80 mm of a given composition, after mixing serves to deposited in the hopper and in the form of a continuous fibrous layer stacked on the feeding conveyor Shipley machine.Through feed rollers Shipley machine fibrous layer is removed from the supply conveyor and is fed to the main drum: this main drum and the work rolls layer is broken into separate parts, which in turn are divided into smaller, being then repeated intensive rasseyaniyu, loosening, mixing.Well loosened, mixed fiber with removable drum under the action of centrifugal force is discharged in a horizontal mine site hollofibre consisting of two perforated drums, in which a continuous stream of air, occurring due to the vacuum generated inside the perforated drums, picked up and moved in the direction of the latter, forming on the surface of the fibrous canvas.With perforated drums formed the canvas is removed removable shafts, served on the conveyor needle machine, compacted, after which it is directed to the area hypoproteinemia first needle machines, where multiple ipop Okolow on 1 cm2) is binding, sealing, hardening, i.e. the transformation in needle-punched fabric. Then needle-punched fabric is fed to the second needle machine for final hypoproteinemia (density perforation of the middle part of the canvas is 27-36 punctures on 1 cm2, edges 40-54 punctures on 1 cm2). The finished fabric is wound around the rolling shaft in a roll on the rolling pin.Example 1. Needle-punched fabric is made similarly to the above-described method of shtabelirovaniya glass fibers brand BS-200 and shtabelirovaniya thin basalt fibers located in the ratio of the weight. glass fiber 70, basalt fiber 30. Width 1376,7 mm. Thickness paintings of 5.6 mm Surface density 1009,0 g/cm2. The breaking load of 41.9 kg.Example 2. Needle-punched fabric is made similarly to the above-described method of shtabelirovaniya glass fibers brand BS 200 and shtabelirovaniya thin basalt fibers located in the ratio of the weight. glass fiber 50, basalt fiber 50.Width 1386,0 mm Thickness of the blade is 5.5 mm Surface density 1107 g/cm2. The breaking load of 61.9 kg.Example 3. Needle pattabiraman thin basalt fibers, located in the ratio of the weight. glass fiber 30, basalt fiber 70. Width 1427,0 mm. Thickness paintings of 5.8 mm Surface density 693,0 g/m2. The breaking load of 43.1 kg.Example 4. Needle-punched fabric is made similarly to the above-described method of shtabelirovaniya glass fibers brand BS-200 and shtabelirovaniya thin basalt fibers located in the ratio of the weight. glass fiber 65, basalt fiber 35. Width 1404 mm Thickness paintings of 5.9 mm Surface density 1025,0 g/m2. The breaking load of 44.9 kg.Example 5. Needle-punched fabric is made similarly to the above-described method of shtabelirovaniya glass fibers brand BS-200, shtabelirovaniya thin basalt fibers located in the ratio of the weight. glass fiber 35, basalt fiber 65. Width 1426 mm Thickness paintings of 5.8 mm Surface density 681,3 g/m2. The breaking load 55,8 kgf.Example 6. Needle-punched fabric is made similarly to the above-described method of shtabelirovaniya thin basalt fibers, shtabelirovaniya glass fibers brand BS-200, located in the ratio of the weight. glass fiber 3, batala 51,6 kgf.Example 7. Needle-punched fabric is made similarly to the above-described method of shtabelirovaniya glass fibers brand BS-200. Width 1409,3 mm. Thickness paintings of 5.9 mm Surface density 1047,0 g/m2. The breaking load 53,2 kg.In all these examples, the non-woven fabric was made from a needle-punched aerodynamic car LEAH-210.In table. 1 shows the physico-mechanical characteristics of the inventive non-woven material manufactured according to examples 1-7.On the strength characteristics of the inventive non-woven material (breaking load) is not inferior to the prototype, the strength of which varies depending on the percentage content of asbestos and glass fibers, reaching a maximum value at the maximum content of the glass fibers.In table. 2 shows the results of determination of thermal conductivity of the inventive nonwoven material in accordance with GOST 7076-87.From table. 2 that the inventive non-woven material manufactured according to examples 1-7, thermal insulation properties superior to the prototype (thermal conductivity of the inventive nonwoven material is in the range of 0.04-0,042 W/m K, while teploprovodnost-0,042 W/(m K).The content of basalt and glass fibers in the nonwoven material was determined experimentally.The content of basalt fibers in the nonwoven material is less than 35% not significantly impact on the improvement of performance, which reaches the highest value when the content of basalt fibers is equal to 97%
The use of the inventive nonwoven material by including in its composition of basalt fiber will allow to widen the temperature range of its application (for basalt fibers it is from -268oC to +700-900oWith; to asbestos fibers the maximum temperature limit is +600oC).In addition to the above the use of this material will give you the opportunity to fully process the waste textile basalt and continuous glass fibers, to improve working conditions, excluding the production of the carcinogen is asbestos fiber.Comparative analysis of the prototype shows that the inventive non-woven fabric characterized in that the ratio of the fiber weight. is: silicate 65-3, mineral 35-97.Thus, the claimed technical solution meets the criterion of "Newley non-woven material does not follow from the prior art, and therefore meets the criterion of "inventive step".Set forth in the application data confirm that the technical solutions according to the criterion of "industrial applicability". Non-woven material consisting of interconnected hypoproteinemia fibrous layers containing mineral and silicate fibers, characterized in that the ratio of fibers of wt.Silicate 65 3
Mineral 35 e
FIELD: textile industry.
SUBSTANCE: three-dimensional nonwoven fibrous textile material is composed of netted woven carcass and layers of fibrous cloths arranged at both sides of carcass and mechanically attached thereto. Carcass is produced from thermoplastic weft threads with linear density of 29-72 tex and thermoplastic warp threads with linear density of 14-20 tex and surface density of 80-220 g/m2. Said threads are preliminarily subjected to shrinkage. Method involves applying onto melted netted woven carcass layers of fibrous materials and mechanically attaching said layer in alternation to each side; applying onto each side of carcass at least one layer of fibrous cloth and attaching it by needle stitching; subjecting nonwoven material to thermal processing at temperature of 80-1580C under pressure of 0.3-0.6 MPa for 40-120 min.
EFFECT: improved organoliptical properties and improved appearance of material.
FIELD: textile industry, in particular, versions of nonwoven fibrous material made in the form of needle stitched web.
SUBSTANCE: material is manufactured from mixture of high-melting point and various low-melting point fibers, with main fiber being two-component polyester fiber of "core-coat" type. Polymer of "coat" has melting temperature substantially lower than polymer of "core". According to first version, low-melting point fiber used is staple two-component polyester fiber of "core-coat" type having thickness of 0.4-1.0 tex, length of 50-90 mm and melting temperature of "coat" polymer of 105-115 C. High-melting point fiber is staple polyester fiber having thickness of 0.3-1.7 tex, length of 60-90 mm and melting temperature of 240-260 C. Ratio of fibers in mixture, wt%, is: staple two-component polyester fiber of "core-coat" type 30-70; staple polyester fiber the balance to 100. According to second version, nonwoven fabric additionally comprises auxiliary staple polypropylene fiber having thickness of 0.6-1.7 tex, length of 50-90 mm and melting temperature of 150-160 C. Ratio of fibers in mixture is, wt%: staple two-component polyester fiber of "core-coat" type 30-70; staple polypropylene fiber 5-20; staple polyester fiber the balance to 100.
EFFECT: improved operating properties and form stability of parts manufactured from nonwoven fibrous material under conditions of changing temperature loadings.
3 cl, 1 tbl, 5 ex
FIELD: chemical and light industry, in particular, production of viscose staple fiber containing antibacterial preparation for manufacture of non-woven material used for manufacture of air filters.
SUBSTANCE: method involves washing formed viscose threads; squeezing to provide 50%-content of α-cellulose; treating with aqueous catamine solution having mass concentration of 15-40 g/dm3; providing two-staged washing procedure in countercurrent of softened water at feeding and discharge temperature difference making 4-6 C at first stage and 3-5 C at second stage. Temperature of aqueous catamine solution is 18-30 C. Resultant thread has linear density of single fibers of 0.17-0.22 tex and mass fraction of 0.6-4.0% of catamine. Thread is subjected to drying process at temperature of drying drum surface of 80-90 C, followed by corrugation and cutting into 60-70 mm long fibers. Method further involves fixing resultant fibrous web by stitching process on substrate of thermally secured polypropylene having surface density of 10-30 g/m2.
EFFECT: enhanced antibacterial properties and reduced aerodynamic resistance of resultant material allowing blowing-off of fibers from filter layer by flow of air under filtering process to be prevented.
3 cl, 2 tbl, 6 ex
FIELD: reinforcement and protection of ground surfaces such as ground planning embankment slopes, automobile and railway roads, open pits, dry slopes of earth-fill dams etc from erosion processes by quick recovery of soil and plant layer.
SUBSTANCE: biomat is formed as multiple-layer, at least three-layer, structure including layers of cloth comprising artificial chemical fibers, and intermediate layer placed between each two cloth layers and secured therewith, said intermediate layer comprising plant seeds. Natural fibers are added into cloth so as to form mixture of natural and synthetic fibers, said mixture containing at least 15-50 wt% of synthetic fibers and 50-85 wt% of natural fibers from materials which form upon decomposition nutritive medium for plants, and surface density of cloth ranging between 250 and 800 g/m2. Apart from seeds of plants presented in cloth structure in an amount of 60-150 g/m2, cloth additionally contains nutrient mixture consisting of fertilizers, plant growth promoters and soil forming additives selected with soil-ground conditions of region where biomat is to be utilized and composition of used seeds being taken into consideration. Content of nutrient mixture is 20-90 g/m2. Also, natural or artificial sorbing substances are introduced into biomat structure in an amount of 30-600 g/m2 by embedding of these substances into cloth or composition of intermediate layer. Biomat may be readily unrolled on any ground surface and serves as artificial soil layer.
EFFECT: high moisture retention capacity providing formation of stable soil and ground covering, improved protection of ground surface from erosion processes, retention of plant seeds during growing, efficient development of root system during vegetation and high vitality of plant covering during formation thereof.
7 cl, 1 tbl
FIELD: technological processes.
SUBSTANCE: invention is manufactured out of thermostable or heat resistant fibres and may be used for manufacturing parts out of thermal structural composite material. Carbon nanotubes are in-built into fibre structure by means of their growing on the heat-resistant fibres of the basis.
EFFECT: provides more well-ordered tightening of parts and improvement of mechanical qualities.
31 cl, 6 dwg, 9 ex
SUBSTANCE: invention relates to an apparatus for colourless patterning of a textile fabric made of mutually interlaced and thus strengthened natural or synthetic fibres, preferably of a nonwoven fabric such as a wadding web, which is also dried in the case of a wet treatment such as hydrodynamic needling. The apparatus comprises a housing and a revolving drum provided therein, whereby the textile fabric is pressed by an overpressure and underpressure against the drum having perforations so that the cross-sectional areas of the perforations generate a picture pattern on the textile fabric, wherein an external peripheral surface of the drum being subject to drawing is provided with perforations depicting an image, which perforations act in diverse pattern-imparting fashions on the textile fabric resting thereon. Moreover, the drum and its external peripheral surface are microperforated as a whole and thus fluid-permeable, and the pattern-imparting perforations are sized larger than the microperforation of the surface supporting the textile fabric, Moreover, the textile fabric is capable of leading the fluid away from the entire surface in a region of the pictorial pattern and also beyond peripheral regions of the pictorial pattern.
EFFECT: providing a method with which a pattern can be continuously imposed on a nonwoven fabric in the course of treatment.
11 cl, 2 dwg
FIELD: textile; paper.
SUBSTANCE: presented bed for implementation of hydrocrowding process is manufactured by means of including in it depressed fibres during its manufacturing or forming of depressed fibres by means of calendering or grinding of initial fabric. Including of depressed fibres into bed at manufacturing of nonwoven fabrics provides higher crowding of fibres forming nonwoven fabrics.
EFFECT: creation of more rugged finished nonwoven material.
20 cl, 10 dwg
FIELD: textile; paper; process.
SUBSTANCE: method provides forming of composition nonwoven material with surface layer, underlayer and wireframe interlayer made of polymer material, at that received structure is passed through shafting. In the course of protective material receiving surface layer and underlayer form with surface density 200-400 g/m2, at that thickness of wireframe interlayer is 100-250 micron. Layers binding is implemented by means of passing through tightly pressured shafting, at that ratio of shafts diameters is 1:[6-8], big shaft is heated till temperature 180-250°C, and its rotational velocity is 1.2-4 rpm. Finished nonwoven material is enrolled and held at temperature 18-24°C during at least three days.
EFFECT: improvement of material physical properties; reduction of ecological stress to environment and reduction of material and technical consumption at its recovery.
1 tbl, 1 ex
FIELD: textile, paper.
SUBSTANCE: invention refers to nonwoven material technology and can as a base of building, finishing and other similar materials. Method for making nonwoven needled felt involves pulverisation and emulsification of mixture, rest, hackle webbing, cure, dipping in binder, drying, and cooling. Thus rest is followed with straight and cross hackling packed within at least five web layers needle-punched over two stages. Besides before the second stage, reinforcing filament is added, while material is pull-up smoothed, glazed and dipped in binder, dried and processed in cold glazer.
EFFECT: higher efficiency of method for making nonwoven needled felt with improved application performance.
12 cl, 2 tbl
FIELD: engineering procedures.
SUBSTANCE: one version of the method consists that the cloth is placed on porous substrate movable on the straight or rotating about the axis. At least one side of the cloth is processed with some water jets rowed perpendicularly to cloth moving direction. Herewith a row is formed with one-section jets and at least other section jets different from the first one.
EFFECT: improved surface properties of the product.
33 cl, 17 dwg