UA89805C2 - Needle-punched fabric - Google Patents

Abstract

The invention relates to technology of production of non-woven materials and can be used for production of building finishing and other like materials. A needle-punched material has first and second layers of nonwoven fabric arranged as fibrous webs, fibers in which are directed along and across the material, net of glass threads that is placed between the fiber, and binding agent. Layers of fabric are fixed with fibers that form fibrous webs to pack together with net as result of needle-punching. Fibrous webs and net form bound pack in which mechanical characteristics along the pack and across it are essentially close. Due to that one obtains comparatively low-cost material that has high enough technical characteristics, this makes possible its different use in corresponding segment.

Description

th material in the corresponding segment must be two mentioned layers, and the connecting |see description to correctly choose the structure of the material. European patent MeER1584737, M.cl.

For a number of non-woven materials, we use - robM5/00, ro4n1tz3/00, v3z285/26, publ. them as a basis for the production of linoleum, trans- 12.10.2005 At the same time, the first layer of non-woven porter's tapes, construction or decorative fabric formed by randomly placed materials is used by needle punching with continuous threads made of materials. extruded polyester polymer, second layer

At the same time, the structure of the fibrous layer (a non-woven fabric formed by a random pattern of the fabric) is usually characterized by the thickness of the continuous threads, the weave and the fabric, the number of additions of the weave, which are also uneven from the extruded polyester polymer. combing and fabric, the proportion of fibers in the mixture, the threads of the first and second layers are thermally bonded, the material of the fiber, the location of the fibers (coefficient of the part of the threads of the second polyester polymer, the percentage of straightening and length, the angle of orientation), made with a melting temperature below the fiber length, fiber diameter, distribution of the melting temperature of the first polyester polymer along the thickness, the presence or absence of a frame or containing a layer of thermoadhesive material, which layer, its structure, the density of punctures, melts at a lower temperature than the depth of punctures, the presence binder and adhesion - the first layer or the second layer. The final connection of these connections. assembly is carried out with the help of a binder in the number of

A layered material containing 1095 of the total weight is known. The mesh is made of several interconnected layers made of synthetic glass threads and has a weight of approximately 8g/m. tic fibers, as well as at least one frame The reinforced layered product is characterized by the layer located outside or inside the material is also characterized by the fact that the mesh has a base of 340 dtex and

went description to the patent of the Russian Federation Mo2231587, M.cl. 1.6 threads per cm, weft 340 dtex and 0.4 threads per cm, and ro4n1/42, publ. 11/10/2003. The frame layer is finally material bound with polyvinyl spira- can be made of kraft paper, which can volume. be supplied with a sticky layer of polymer film. The above-described technical solution finds zaki, which can be metallized, or from a woven application, in particular, for the production of bituminous material. The frame layers can be one or two layers of material. several, and they can be located both on the However, the disadvantage of the material described above is the outer side of the non-woven fabric, and between the high cost due to the complexity of technological cloths. The layers of non-woven material are connected by the process associated with continuous needle punching. It is assumed that such a thread of the canvas is extruded from the melt. Technologically layered material can have good heat-insulating complexity and, as a result, the cost properties, predetermined depending on the production, is associated with the need to use frame material. you are a device for obtaining two layers of continuous

However, the material of the above-mentioned structure is not synthetic filaments from the melt, leads to higher strength characteristics and can reduce the cost of the final product. In addition, it is mainly used as a heater, and its longitudinal and transverse mechanical characteristics depend on the frame and in light industry. material differ significantly, which limits the fu-

A non-woven material is also known, which includes the functional capabilities of the material. the outer fibrous layers and the intermediate layer of the framework - Therefore, the purpose of the technical solution of the proposed material, fastened by needle punching (see, is to reduce the cost of the material and expand the description to the author of the USSR Me1346199, M.cl. functional capabilities.

VO01039/16, publ. 23.10.87 | Outer fibrous The basis of the invention is the task of poly- layers of the material are made from synthetic waste of non-woven needle-punched material into fibers, and the intermediate layer in the form of fabric from which, as a result of the execution of the first and second fibers of twill weave 2/2 in the number of cloths in the form screenings, the fibers of which are oriented 40-5095 from the total weight of the material. along and across the material and connecting the fibers

The proposed material differs from the windows that form the meshes, in a package together with the bottom material, with a higher longitudinal and mesh as a result of needle punching, providing transverse strength. Longitudinal bursting is the technical result, which consists in the fact that the tensile strength is from 99.5 to 130.5 kgf, the transverse mesh and mesh form a connected package, which is from 83.2 to 118.2 kgf, respectively, flexible resistance the mechanical characteristics along the package and in the position are from 30,000 to 100,000 cycles. perek are significantly close. Due to this

However, the use as a frame of fabric or netting, a relatively inexpensive material that has fibers of the same material, does not allow to dramatically improve the geometric stability of the strip. segments functional capabilities. The task is solved by the fact that in

The closest to the technical solution that the domestic non-woven needle-punched material is claimed, in terms of novelty, technical essence and reach- which contains the first layer of non-woven fabric, the second result when used is a reinforced thick layer of non-woven fabric, a mesh of glass threads, a layered product on based on a non-woven material, located between the two mentioned fabrics, and which is characterized by the fact that it contains the first binder, according to the invention, the first and second layers of the non-woven fabric, the second layer of the non-woven fabric material is made in the form of screens, cloth, a mesh of glass threads, located between the fibers of which are oriented along and across the mother-

alu and fastened with fibers that form the wicks, which suggests using not just a fiber, but in a package together with a net as a result of needle punching, wicks laid along and across the layers, and hiding. layering is performed with needle-punched yarns

According to the invention, the wicks are made with us, which form the wicks, while the mesh is made of depilable polyester fiber. tucked between the combs. The result is non-woven

According to the invention, as a binder, the needle-piercing material is an inexpensive and used acrylostyrene dispersion, which is polymerized together with a thermosetting melamine and the formation of other building materials... copolymer. The proposed solution is industrially applicable.

According to the invention, the binder content in the proposed technical solution used for dry material is 15-1795. production of non-woven needle-punched material

As can be seen from the presentation of the essence of the technical solution in the conditions of modern industrial production. claimed, it differs from the prototype Fig. 1 The structure of non-woven needle punched PU is therefore new. material for needle punching.

The solution also has an inventive level. V- Fig. 2 The structure of the non-woven needle punched homemade non-woven layered material containing the material after needle punching. several interconnected layers made of wool The needle-punched material (Fig. 2) contains a pearly mixture of natural and/or synthetic fibers, layer 1 of non-woven fabric, the second layer of 2 non-fibers, as well as at least one frame layer, woven fabric, a grid of glass threads, located outside or inside the material | see bath between the two mentioned canvases, and the connecting description to the patent of the Russian Federation Meo2231587, M.kl. 004Н1/42, 4. The first 1 and the second 2 sheets of material are made in 1/48, publ. 27.06.2004). The layers of the non-woven material are woven in layers 5 and 6 (Fig. 1), the fibers of which are connected to each other by needle punching. Claimed along and across the material and fastened in nicks, the bag together with the З grid as a result of the needle-punched material has good heat-insulating properties. However, possibly due to the low wattage of fibers that will form lint. of the strength properties of the material, the invention is In Tables 1 and 2, the given technical characteristics are mainly used in the manufacture of non-woven needle-punched material tapes, armor-insulating pads. netted

The claimed technical solution is fundamentally different from the one discussed above and others in that

Table 1 77777171, Example! | o Example 2 | Example 3 Example 4 etheral fiber: H N - ester (ether) ester (ether) ester (ether) (ether) ee 000000 pF ov nem mem

Mesh thread 34 tex, half-| thread 34 tex, knit 34 tex, knit 34 tex, weft 21 tekne PVA 10g/m? Is PVA 10g/m? Luchne PVA 10g/m2 | sa, binder PVA 8g/m o Material thickness, mm | 07 2 | 08 | 09 !/ about analogues below on, U

Table 2 (Tensile strength limit Miasm | ГГ 77711111 flength//// | 300 | 400 | 500 | 600 | STATE STANDARD 15902.3 11111111 Ywidth////// | 7190 | 230 | 250 | 300 | STATE STANDARD 159023

Elongation at gap, 95/71 11111111 flength//// | 21. | 2272 | 25 | 27 | STATE STANDARD 159023 11111111 Hypowidth////// | 24 | 25 2 | 28 | 30 | STATE STANDARD 159023

Shrinkage in hot air 95 (at

As can be seen from the presentation of the essence of the technical renet-woven needle punching material and the claimed success, and examples of its implementation, use it in the appropriate segment. nya, it allows you to significantly reduce the cost price

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Ministry of Education and Science of Ukraine

State Department of Intellectual Property, str. Urytskogo, 45, Kyiv, MSP, 03680, Ukraine

SE "Ukrainian Institute of Industrial Property", str. Glazunova, 1, Kyiv - 42, 01601