Non-woven textile material
(57) Abstract:The inventive as chemical fibers used in synthetic fiber as organic compounds - silicon drugs with ethoxypropane, in the following ratio, wt. % fiber of 99.85-99,90, silicone preparation of 0.10 to 0.15. As organosilicon drug used ethyl silicate-40, ethyl silicate-32, tetraethoxysilane. 1 C.p. f-crystals, 1 table. The invention relates to the production of nonwoven textile materials, in particular non-woven textile materials based on synthetic fibers, which can be used as sewing gaskets, insulating gaskets in clothing and for reinforcing fiberglass corrosion resistant products.Known non-woven textile material fabric, insulated cushioning in the manufacture of jackets and coveralls, consisting of polyester fibers and high molecular weight organic compounds (latex), for example, acrylic emulsion, in the following ratio, wt.Fiber 70
The downside of it are unsatisfactory performance properties, chastnoe is to improve operational properties of nonwoven material.This result is achieved by the fact that non-woven textile material fibers organic compounds as chemical fiber, synthetic fiber, as organic compounds
silicone products with ethoxypropane, in the following ratio, wt.The fiber of 99.85-99,90
The organosilicon drug 0,10-0,15
As organosilicon drug used ethyl silicate-40 (ETS-40), ethyl silicate-32 (ETS-32), tetraethoxysilane.Non-woven textile material according to the invention can be manufactured on existing equipment on the basis of real materials.Used synthetic fibers meet the state Standards: polyester fiber GOST 10435-79, polyacrylonitrile fiber GOST 13232-79, polyamide fiber GOST 16008-79.Silicone drugs meet the state Standards: ethyl silicate-40 (ETS-40) GOST 26371-84 ISM. 1, ethyl silicate-32 (ETS-32)- TU-6-02-895-86 N 005/010620 from 16.10.86, tetraethoxysilane THE 6-02-708-76 N 165/2710 from 17.02.77 ISM.1, 2, 3 from 22.01.87 (tetraethoxysilane technical) and THE 6-02-1062-76 N 166-51-64 from 21.03.77 ISM.1, 2, 3 from 26.09.85 (product W-88 pure tetraethoxysilane).Tests of the obtained nonwoven of breaking load and elongation at break), ISO 9073-89 (determination of thickness), GOST 10550-80 (hardness), GOST 25441-90 Cloth laminated cushioning. General technical requirements).Properties of the proposed non-woven textile materials presented in the table.Thus, the proposed non-woven textile materials, containing a minimum amount of silicon of the drug ethoxypropane (which affects the ecology of production), can be used in the garment industry, as well as for reinforcing fiberglass corrosion resistant products. 1. Non-woven textile material based on chemical fibers and organic compounds, characterized in that as the fibers are synthetic fibers, as well as organic compounds of silicon drugs with ethoxypropane in the following ratio, wt.Fiber 99,85 99,90
The organosilicon drug 0,10 0,15
2. The material under item 1, characterized in that as the silicone product is ethyl silicate-40, ethyl silicate-32, tetraethoxysilane.
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
FIELD: textile industry, in particular, production of nonwoven needle stitched filtering materials.
SUBSTANCE: method involves providing mechanical or aerodynamic forming of fibrous cloth from two-component filament mixture; providing needle stitching and thermal rolling of resultant cloth on calendar. Polyester filament is added to two-component filament mixture. Thermal treatment of material is effectuated in mode providing for compaction of surface layer. Needle stitching density is 20-800 punctures per 1 cm2. Rolling procedure is carried out at roll temperature of 130-2200C and rolling rate of 1-15 m/min. Nonwoven needle-stitched filtering material has surface density not in the excess of 400 g/m2 and filtering fullness coefficient of at least 40%, when suspension subjected to filtering has solid particles with mean size not in the excess of 2 microns and when loading of at least 15 kg is applied to 5 cm width sample for achieving of 10% elongation.
EFFECT: increased resistance to the development of initial deformation of material.
8 cl, 2 tbl, 2 ex