CN113232377B - Light-transmitting fabric, artificial leather and automotive interior - Google Patents
Light-transmitting fabric, artificial leather and automotive interior Download PDFInfo
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- CN113232377B CN113232377B CN202010238462.2A CN202010238462A CN113232377B CN 113232377 B CN113232377 B CN 113232377B CN 202010238462 A CN202010238462 A CN 202010238462A CN 113232377 B CN113232377 B CN 113232377B
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- 238000002834 transmittance Methods 0.000 claims abstract description 21
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention provides a light-transmitting fabric, artificial leather and automotive interior, wherein the light-transmitting fabric comprises two fabric layers which are parallel to each other and are arranged at intervals and a supporting layer for connecting the two fabric layers, the supporting layer is formed by connecting silk threads, the fabric layers are woven by the fabric silk threads, meshes formed on the first fabric layer are first meshes, meshes formed on the second fabric layer are second meshes, and the areas of the first meshes and the corresponding second meshes are aligned to 80-100%; at least 80% of the bracing wire portions in the connecting wires are arranged in an I shape, and the ratio of the diameter of the connecting wires to the diameter of the fabric wires is 1.1 to 1.5. The light-transmitting fabric can obtain higher light transmittance and ensure mechanical property.
Description
Technical Field
The invention relates to the technical field of automotive interior materials, in particular to a light-transmitting fabric, artificial leather and automotive interior.
Background
In order to ensure the riding comfort of a user, a sponge layer is arranged on the inner side of a surface leather layer in the automobile interior decoration so as to obtain softer touch feeling, but due to the problems of poor elasticity, changeability, poor air permeability and the like of the sponge layer, more and more automobile interior decorations adopt three-dimensional interval type fabrics to replace the sponge.
The three-dimensional spacing type fabric is a three-dimensional fabric and consists of two fabric layers and a supporting layer formed between the two fabric layers by spacing yarns, and has the advantages of compression resistance, air permeability, moisture absorption, moisture permeability, structural integrity, formability and the like.
With the continuous improvement of the requirements of people on the quality and comfort of automotive interiors, artificial leather products are no longer simple coating materials, and more functions are expected to be introduced into the artificial leather development process, such as enabling the artificial leather to have certain light transmission capability so as to improve the atmosphere in the automobiles by means of a background light source. The spacing yarns commonly used at present are configured into a V type, an X type and an IXI type, and the spacing yarns can form a stable triangular structure with the upper layer fabric and the lower layer fabric, so that the fabrics can keep good stability and pressure resistance even if being subjected to transverse load, and a certain spacing distance is kept. The arrangement of the spacer yarns has obvious attenuation and elimination effects on light, so that the light transmission of the conventional three-dimensional spacer fabric is very poor, and when the spacer yarns are coated on the surface of a framework or a part, the light emitted by a light source arranged on the framework or the part has low transmittance through the three-dimensional spacer fabric, so that the light transmission type application scene of automotive interior is difficult to realize, or only the three-dimensional spacer fabric or sponge can be cancelled, so that the three-dimensional spacer fabric is realized in a mode of sacrificing elasticity and reducing touch feeling.
Disclosure of Invention
In view of the above-mentioned situation, a main object of the present invention is to provide a light-transmitting fabric, an artificial leather, and an automotive interior, which can improve the interior atmosphere of a vehicle through the automotive interior.
In order to realize the purpose, the technical scheme adopted by the invention is as follows:
a first aspect of the present invention provides a light-transmitting fabric, including two fabric layers arranged in parallel and at an interval, and further including a support layer connecting the two fabric layers, the support layer being formed of connecting yarns, the connecting yarns including a support yarn portion located between the two fabric layers and connecting yarn portions respectively woven into the two fabric layers, the fabric layers being woven from fabric yarns and at least forming a plurality of meshes from the fabric yarns, the two fabric layers being a first fabric layer and a second fabric layer, respectively, the meshes formed on the first fabric layer being first meshes, and the meshes formed on the second fabric layer being second meshes, wherein the first meshes are aligned with the second meshes one by one, or the first meshes are aligned with the corresponding second meshes in an area of 80% to 100%; at least 80% of the bracing wire portions in the connecting wires are arranged in an I shape, and the ratio of the diameter of the connecting wires to the diameter of the fabric wires is 1.1 to 1.5.
Preferably, the mesh is a polygon, and the number of the fabric threads in each side of the polygon is not more than 3.
Preferably, the fabric threads and the connecting threads are transparent or translucent monofilaments.
Preferably, the ratio of the maximum span dimension of the mesh to the diameter of the fabric threads is from 8 to 32.
Preferably, the connecting wire portion of the connecting wire is looped along the side of the polygon.
Preferably, the number of roundtrips of the connecting line part along any side of the polygon is not more than 4.
Preferably, the textile threads and the connecting threads are undyed threads.
Preferably, the mesh openings are larger than 10 mesh in size.
Preferably, the light transmittance of the fabric threads and the light transmittance of the connecting threads are both 50% to 70%.
Preferably, the material of the textile threads and the connecting threads is polyethylene terephthalate.
Preferably, each supporting line part in the connecting wire is arranged in an I shape; or,
each supporting line part in the connecting silk thread comprises a first supporting line part arranged in an I shape and a second supporting line part arranged in a V shape and/or an X shape.
Preferably, the textile threads have a diameter of 0.05 to 0.1mm.
Preferably, the connecting wire has a diameter of 0.055 to 0.15mm.
Preferably, a ratio of the thickness of the support layer to the diameter of the support line part is 6 to 55.
Preferably, the thickness of the support layer is 1 to 3mm.
Preferably, the light transmittance of the light-transmitting fabric is greater than or equal to 70%.
A second aspect of the invention provides artificial leather comprising a single leather and a light-transmitting fabric as described above, adhered together.
A third aspect of the present invention provides an automotive interior comprising the light-transmitting fabric as described above or the artificial leather as described above.
According to the light-transmitting fabric, the first meshes and the second meshes which are respectively formed on the two fabric layers are arranged to be aligned one by one or close to being aligned one by one, so that the staggering between the meshes on the two fabric layers is reduced, more light rays can penetrate through the light-transmitting fabric, most of supporting line parts are arranged to be I-shaped, the supporting line parts of the connecting silk threads are approximately parallel, the supporting line parts correspond to the connecting positions of the first meshes and the second meshes, the supporting line parts which are positioned in the meshes when the supporting line parts are seen from the direction perpendicular to the first fabric layer are reduced to the greatest extent, the passing of more light rays is further ensured, the toughness of the connecting silk threads can be effectively improved by increasing the diameter of the connecting silk threads, the mechanical property of the light-transmitting fabric is ensured, and the supporting line parts are prevented from being deformed due to the lateral force.
Other advantages of the present invention will be described in the detailed description, which is provided by the technical features and technical solutions.
Drawings
Preferred embodiments according to the present invention will be described below with reference to the accompanying drawings. In the figure:
fig. 1 is a sectional view of a light transmitting fabric according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of four structural units of a light-transmitting fabric provided by the present invention, in which first meshes and second meshes are aligned;
FIG. 3 is a schematic structural diagram of four structural units of a light-transmitting fabric with first meshes and second meshes arranged in a staggered manner according to the present invention;
FIG. 4 is a schematic illustration of an explanation of the misalignment dimension in the present invention;
FIG. 5 is a schematic structural diagram of two structural units of a light-transmitting fabric provided with hexagonal first and second meshes;
FIG. 6 is a top view of a first fabric layer of one preferred embodiment of the light transmitting fabric provided by the present invention;
fig. 7 is a schematic view showing that the connecting line portions of the connecting wires in the light-transmitting fabric provided by the present invention detour along the edges of the first meshes.
In the figure, 100, the first fabric layer; 110. a first mesh; 200. a second fabric layer; 210. a second mesh; 300. a support layer; 310. connecting silk threads; 311. a support line portion; 312. a connection wire portion; 400. a textile thread.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in order to avoid obscuring the nature of the present invention, and well-known methods, procedures, and components have not been described in detail.
Furthermore, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The method for measuring the light Transmittance (Transmittance) described in the present application is: ASTM E1348.
Thereby the demand of scope in the car is improved to the light that can see through background light source on the basis of realizing artificial leather surface in the automotive interior, this application expects to provide the helping hand through the luminousness that improves three-dimensional interval type fabric.
In view of the problem of poor light transmittance of the conventional three-dimensional spacer fabric, the applicant of the present application has found that the following problem exists in the structure of the conventional three-dimensional spacer fabric:
1. excessive staggering exists between meshes of the two fabric layers, so that the light transmission is blocked;
2. the spacing yarns cross each other, and too many spacing yarns are positioned in the meshes when viewed in the direction perpendicular to the three-dimensional spacing type fabric, and the light transmission is also hindered.
In view of the above, the present application provides a light-transmitting fabric, as shown in fig. 1, which includes two fabric layers arranged in parallel and spaced apart from each other, and further includes a support layer 300 connecting the two fabric layers, the support layer 300 is formed by connecting threads 310, the connecting threads 310 include supporting thread portions 311 located between the two fabric layers and connecting thread portions 312 woven into the two fabric layers, respectively, the fabric layers are woven by the fabric threads 400 and form a plurality of meshes by at least the fabric threads 400, the two fabric layers are a first fabric layer 100 and a second fabric layer 200, respectively, the mesh formed on the first fabric layer 100 is a first mesh 110, and the mesh formed on the second fabric layer 200 is a second mesh 210, wherein the first mesh 110 is aligned with the corresponding second mesh 210 by 80% to 100% in area, that is, the first mesh 110 is aligned with the second mesh 210 by 80% to 100% in area, when the first cells 110 and the second cells 210 are aligned in a pair and the areas of the first cells 110 and the second cells 210 are aligned with each other by 100%, for example, referring to FIG. 2, one first cell 110 and the corresponding second cell 210 form a structural unit, FIG. 2 shows four structural units in which the cells are quadrangular, and in each structural unit, the first cells 110 and the second cells 210 are aligned in a pair, each corner of the first cells 110 is connected to a corner of the second cells 210 by a connecting line portion 312 to form a straight columnar structure, and the area alignment of the first cells 110 and the second cells 210 is 80% or more and less than 100%, referring to FIG. 3, in each structural unit, the first cells 110 and the second cells 210 are arranged in a staggered manner, each corner of the first cells 110 is connected to a corner of the second cells 210 by a connecting line portion 312 to form a diagonal columnar structure, and the portion where the first cells 110 and the second cells 210 are aligned is shown in FIG. 4, refers to the area where the projection of the first mesh 110 on the second fabric layer 200 overlaps the nearest second mesh 210, i.e., the shaded area in fig. 4, aligned with the area of the shaded area. Arranging the first and second mesh openings 110 and 210 in or close to one-to-one alignment reduces the staggering of the first and second mesh openings 110 and 210, thereby ensuring more light passes through.
Further, at least 80% of the supporting line portions of the connecting wires 310 are disposed in an I-shape, specifically, the supporting line portions 311 disposed in the I-shape are substantially parallel, and each supporting line portion 311 is perpendicular to the first fabric layer 100, or each supporting line portion 311 is inclined with respect to the first fabric layer 100 with a displacement between the first mesh 110 and the second mesh 210. It should be understood that the term "perpendicular" as used herein means that the connection position of the supporting wire portion 311 to the first mesh 110 and the connection position of the supporting wire portion 311 to the second mesh 210 are aligned, that is, the projection of the connection position of the supporting wire portion 311 to the first mesh 110 on the second fabric layer 200 coincides with the connection position of the supporting wire portion 311 to the second mesh 210, and the bending (refer to fig. 1) caused by the knitting and the stiffness of the yarn itself also belongs to the category of perpendicular described in the present application. Since most of the supporting line parts 311 of the connecting wire 310 are substantially parallel and the supporting line parts 311 correspond to the connection positions of the first and second meshes 110 and 210, the supporting line parts 311 located in the meshes when viewed from the direction perpendicular to the first fabric layer 100 are lowered to the maximum extent, thereby further ensuring the passage of more light.
In one embodiment, each supporting line portion of the connecting filament is disposed in an I-shape, which is more advantageous for light transmission, in another embodiment, a portion of the supporting line portions of the connecting filament are disposed in an I-shape, and another portion of the supporting line portions are disposed in other better supporting manners, such as a V-shape, an X-shape or a combination thereof, specifically, each supporting line portion of the connecting filament includes a first supporting line portion disposed in an I-shape, and further includes a second supporting line portion disposed in a V-shape and/or an X-shape, the V-shape is formed by the first supporting line portion and the second supporting line portion (the first line portion is on the left side, and the second line portion is on the right side), the upper end points of the V-shape are connected to the connecting line portions 312 in the first fabric layer 100, the lower end points of the V-shape are connected to the connecting line portions 312 in the second fabric layer 200, the shape of the second supporting line portion, which is an X-shape formed by a third line portion and a fourth line portion (a third line portion inclined from top to bottom to right and a fourth line portion inclined from top to bottom to left), the upper two ends of the X-shape are connected to the connecting line portions 312 in the first fabric layer 100, and the lower two ends of the X-shape are connected to the connecting line portions 312 in the second fabric layer 200, wherein the number of the first supporting line portions is more than 80% of the total number of the supporting line portions, and in the embodiment in which the second supporting line portions are arranged only in a V-shape, all the first line portions are parallel to each other, all the third line portions are parallel to each other, in the embodiment in which the second supporting line portions are arranged only in an X-shape, all the fourth line portions are parallel to each other, in the embodiment in which both the second supporting line portions are arranged in a V-shape and an X-shape, all the first line parts and the third line parts are parallel to each other, and all the second line parts and the fourth line parts are parallel to each other, so that the second supporting parts block light as little as possible, and therefore, the light transmission of the three-dimensional space fabric can be guaranteed, and the supporting strength of the light-transmitting fabric can be enhanced by the second supporting line parts. In order to reduce the influence of the second support part on the light transmission effect as much as possible, it is further preferable that the second support part is disposed at an edge position of the light transmission fabric.
Through the structure arrangement, on one hand, the first meshes 110 and the second meshes 210 are aligned as far as possible, on the other hand, the supporting line part 311 is perpendicular to the fabric layer as far as possible, so that the obstruction to light rays can be effectively reduced, more light rays can be ensured to pass through, and the light transmittance of the light-transmitting fabric is greatly improved.
In order to solve the problem that the supporting line parts 311 are generally parallel and generally perpendicular to the fabric layer and are likely to deform when a lateral force is applied, in the present application, the diameter of the connecting filament 310 is larger than the diameter of the fabric filament 400, the ratio of the diameter of the connecting filament 310 to the diameter of the fabric filament 400 is 1.1 to 1.5, and the diameter of the connecting filament 310 is increased, so that the toughness of the connecting filament 310 can be effectively improved, the mechanical property of the light-transmitting fabric can be ensured, and the deformation of the supporting line parts 311 caused by the lateral force can be avoided. Further, the thickness of the support layer 300, i.e., the length of the support line portions 311, also affects the support performance of the light-transmitting fabric, and in the present application, the mechanical performance of the light-transmitting fabric is further ensured by defining the combination of the thickness of the support layer 300 and the connecting filaments 310, and preferably, the ratio of the thickness of the support layer 300 to the diameter of the support line portions 311 is 6 to 55, and more preferably 18 to 20.
In addition, the applicant found that when the support layer 300 is thick, scattering of light is caused, affecting the light transmission performance, and when the support layer 300 is thin, affecting the riding comfort, preferably, the thickness of the support layer 300 is 1 to 3mm.
Further, in the present application, the weaving method of the connecting wires 310 is modified so that the connecting wires 310 occupy as little space of the openings as possible when viewed from the direction perpendicular to the first fabric layer 100, thereby further avoiding the light shielding of the connecting wires 310, specifically, the connecting wires 312 of the connecting wires 310 run along the sides forming the openings, in general, the openings are polygonal, and the connecting wires 312 of the connecting wires 310 are detoured along the sides of the polygon, for example, as shown in fig. 5, two adjacent openings are hexagonal structural units, and a thick portion in the drawing is a position where the connecting wires 310 shared by two adjacent structural units are detoured, i.e., a position of the connecting wires 312, so that the connecting wires 312 do not cross the openings of the openings, thereby facilitating the passage of more light.
In general, a colorant such as titanium dioxide is added during the spinning of the fabric threads 400 and the connecting threads 310, and in this application, in order to increase the permeability of the light-permeable fabric, it is preferable that the fabric threads 400 and the connecting threads 310 are non-colored threads, and the fabric threads 400 and the connecting threads 310 are provided as transparent or semitransparent monofilaments, for example, made of a transparent material such as polyethylene terephthalate, so that the light transmittance of the fabric threads 400 and the connecting threads 310 is 50% to 70%. It will be understood that translucent herein means allowing light to pass through but not necessarily complying with snell's law, i.e. a translucent medium allows the transmission of light, whereas a transparent medium not only allows the transmission of light but also allows the formation of an image.
In order to improve the light transmittance, it is generally necessary to have a mesh density as small as possible to facilitate more light to pass through, because too dense mesh would cause serious light blocking, but the applicant found that too low mesh density would seriously affect the supporting ability and elasticity of the light-transmitting fabric, and if the supporting ability and elasticity of the light-transmitting fabric are to be ensured, the thickness of the fabric threads 400 or the overall thickness of the edges forming the mesh would be increased, so that the contours of the mesh are very easily expressed on the surface of the artificial leather under the irradiation of a light source, which affects the aesthetic appearance. In addition, when realizing that the luminousness improves, still must compromise elasticity and support ability to keep due travelling comfort scheduling requirement of automotive interior, in this application, satisfy above-mentioned demand through the comprehensive of parameters such as the silk thread number, mesh density, mesh size, silk thread diameter to the limit that forms the mesh. Specifically, the sides forming the meshes may contain only the fabric threads 400, or may contain both the fabric threads 400 and the connecting threads 310, and the diameter of the fabric threads 400 is set to 0.05 to 0.1mm, and more preferably 0.06 to 0.08mm. The total number of threads forming the sides of the mesh does not exceed 7, the number of textile threads 400 does not exceed 3, the number of connecting threads 310 does not exceed 4, i.e. the number of roundings of the connecting threads 310 on the sides of the polygon does not exceed 4, for example, in the embodiment shown in figure 7, wherein the thick lines represent the fabric threads 400, the thin lines represent the connecting thread portions 312, the number of turns of the connecting thread portions 312 on the side formed by the upper left fabric thread 400 and the two lower fabric threads 400 is 2, while the number of turns of the connecting wire portion 312 on the side formed by the upper right fabric thread 400 is 3, it will be understood that the line thicknesses in fig. 7 are only used to distinguish the textile threads from the connecting thread portions, and do not limit the thickness relationship between the two, further, the mesh openings are generally arranged as polygons, the number of textile threads 400 in each side forming the polygon does not exceed 3, and the number of textile threads 400 in each side may be the same or different, for example, in a preferred embodiment, as shown in fig. 6, the mesh has a quadrangular shape, in which the number of textile threads 400 of two adjacent sides (thick lines in the figure represent textile threads 400 with a number of 2) is 2, and the number of textile threads 400 of two adjacent sides (thin lines in the figure represent textile threads 400 with a number of 1) is 1, and the meshes are, for example, hexagonal, since the hexagonal structure is more stable, a smaller number of fabric threads 400 can be used while ensuring the supporting ability, the number of fabric threads 400 of each side of the hexagon can be set to 1, and in addition, the mesh size is larger than 10 mesh, more preferably larger than 14 mesh, for example, in the embodiment in which the mesh is quadrangular, the sides of the quadrangle are 0.9 to 1.1mm. The ratio of the maximum span dimension of the mesh to the diameter of the fabric thread 400 is 8-32.
With the above arrangement, the light transmittance of the light-transmitting fabric provided by the present application can be higher than 70% (it can be understood that, because the light-transmitting fabric has many aligned mesh structures, the light transmittance at the aligned mesh is 100%, and the light transmittance in the silk thread region is 50% to 70%, where the light transmittance is the average light transmittance per unit area of the light-transmitting fabric).
Further, this application still provides an synthetic leather, its including attached single leather together with as above printing opacity fabric, because printing opacity fabric adopts above-mentioned structure for the luminousness of the synthetic leather that forms is greater than 8%. This synthetic leather can be applied to automotive interior, for example, is used for positions such as car seat, car roof, car center console, so, sets up the light source in the position of cladding synthetic leather such as the skeleton of car, when the light source is closed, presents conventional interior trim effect, and can realize the printing opacity effect of synthetic leather when the light source is lighted.
The single leather and the light-transmitting fabric can be processed through an integral process, for example, the single leather comprises a skin layer, a supporting layer and a glue layer, and the light-transmitting fabric is attached to the glue layer when the glue layer is not dried, so that the light-transmitting fabric and the glue layer are bonded together. The light transmittance of the artificial leather with the structure can reach 9-17%.
Of course, it is also possible to first prepare the single leather and then attach the single leather to the light-transmitting fabric through transparent glue, and in one embodiment, the single leather includes a skin layer, a support layer, a glue layer, and a fabric layer, the fabric layer may be, for example, a knitted fabric, a non-woven fabric, etc., and the fabric layer is attached to the light-transmitting fabric through transparent glue. The light transmittance of the artificial leather with the structure can reach 8-15%. Because the setting on fabric layer can have certain influence to the luminousness, preferably, can save glue layer and fabric layer, utilize printing opacity fabric as the bearing structure of single leather, specifically, single leather includes epidermal layer and supporting layer, and the supporting layer is pasted together through transparent glue and printing opacity fabric, so can further improve the luminousness of synthetic leather, and the luminousness of this structural style's synthetic leather can reach 10% to 18%.
It is understood that the glue layer is a material layer formed by a single leather preparation process, such as a calendering process or a release paper coating process, and is a part of the single leather, the raw materials for forming the glue layer include main materials such as PVC powder and the like, as well as plasticizers, stabilizers and the like, and the transparent glue refers to glue with better permeability, such as hot melt glue and the like, which is coated on the single leather after the single leather preparation is completed so as to be bonded with the light-transmitting fabric.
Further, the application also provides an automotive interior, which adopts the light-transmitting fabric or the artificial leather, so that the light-transmitting effect of the automotive interior is realized.
It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious or equivalent modifications and substitutions for details shown and described herein may be made by those skilled in the art without departing from the basic principles of the present invention.
Claims (9)
1. A light-transmitting fabric comprises two fabric layers which are parallel to each other and arranged at intervals, and further comprises a supporting layer for connecting the two fabric layers, wherein the supporting layer is formed by connecting yarns, each connecting yarn comprises a supporting wire part positioned between the two fabric layers and a connecting wire part woven into the two fabric layers respectively, each fabric layer is woven by the corresponding fabric yarns, and at least the fabric yarns form a plurality of meshes; at least 80% of the bracing wire portions in the connecting wires are arranged in an I-shape, and the ratio of the diameter of the connecting wires to the diameter of the fabric wires is 1.1 to 1.5;
each supporting line part arranged in an I shape is vertical to the first fabric layer, or inclines relative to the first fabric layer along with the dislocation between the first mesh and the second mesh;
the ratio of the thickness of the support layer to the diameter of the support line portion is 18 to 20;
the ratio of the maximum span dimension of the mesh to the diameter of the fabric filaments is 8-32;
the light transmittance of the light-transmitting fabric is greater than or equal to 70%;
the mesh is a polygon, and the number of the fabric silk threads in each edge of the polygon is not more than 3;
the connecting wire part of the connecting wire is roundabout along the edge of the polygon; the number of roundabouts of the connecting line part along any side of the polygon is not more than 4;
the size of the mesh is larger than 10 meshes;
the diameter of the textile threads is 0.05 to 0.1mm.
2. The light transmitting fabric of claim 1, wherein the fabric threads and the connecting threads are transparent or translucent monofilaments.
3. The light transmitting fabric of claim 1, wherein the fabric filaments and the connecting filaments are uncolored filaments.
4. The light transmitting fabric of claim 1, wherein the light transmittance of the fabric filaments and the light transmittance of the connecting filaments are each 50% to 70%.
5. The light-transmitting fabric according to any one of claims 1 to 4, wherein each supporting line portion in the connecting wires is disposed in an I-shape; or,
each supporting line part in the connecting silk thread comprises a first supporting line part which is arranged in an I shape, and further comprises a second supporting line part which is arranged in a V shape and/or an X shape.
6. The light-transmitting fabric of any one of claims 1 to 4, wherein the connecting wires have a diameter of 0.055 to 0.15mm.
7. The light transmitting fabric of any one of claims 1 to 4, wherein the support layer has a thickness of 1 to 3mm.
8. An artificial leather comprising a single leather and the light transmitting fabric of any one of claims 1 to 7 attached together.
9. An automotive interior characterized by comprising the light-transmitting fabric of any one of claims 1 to 7 or the artificial leather of claim 8.
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