Multi-layer TPU (thermoplastic polyurethane) composite fabric
By employing a staggered TPU film and pile design in the composite fabric, the problems of film corrosion and separation are solved, thereby improving the stability and comfort of the fabric.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-27
AI Technical Summary
In existing composite fabrics, the film is located on the outermost side, which affects comfort and is prone to corrosion. Furthermore, after a period of use, the fabric and the film are prone to separation, resulting in a short service life and dimensional instability.
It adopts a multi-layer TPU composite fabric structure, with a TPU film fixedly connected between the surface layer and the base layer. The film is made into a wave shape by staggered protrusions, which, combined with the pile and specific yarn structure, enhances stability and comfort.
It increases the contact area between the film and the surface and base layers, reduces the risk of separation, and improves the stability and comfort of the fabric. In particular, the addition of fleece increases softness and warmth.
Smart Images
Figure CN224044791U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of composite fabric more specifically, it relates to multilayer TPU composite fabric. BACKGROUND
[0002] The composite fabric is one kind of new material that one or more layers of textile material, non-woven material and other functional material are bonded and pasted together. It is suitable for making sofa, clothing and other textiles, and is one of indispensable fabrics in people's home life. The composite fabric applies high technology and new material of "new synthetic fiber", and has many excellent properties (compared with ordinary synthetic fiber), such as fine, delicate, elegant, warm fabric appearance, windproof, breathable.
[0003] The existing composite fabric is usually composed of a film on the outside of the fabric, so as to achieve the effect of windproof and warm-keeping. However, the film arranged on the outermost side will affect the comfort of the fabric surface when it is contacted. The film on the outermost side is also easily corroded by rain and sunlight to a certain extent, resulting in a short service life of the entire composite fabric. Some fabrics also fix the film in the middle area. Since the fabrics on both sides are flat and smooth, the fabrics on both sides will be separated from the film in the middle area after being used for a period of time, resulting in the influence of the overall size and flatness of the fabric.
[0004] Therefore, a new scheme is needed to solve this problem. UTILITY MODEL CONTENT
[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a multilayer TPU composite fabric.
[0006] The above technical purpose of the utility model is realized by the following technical scheme: the multilayer TPU composite fabric comprises a surface layer and a base layer, a TPU film is fixedly connected between the surface layer and the base layer, a plurality of protruding parts are symmetrically arranged on both sides of the surface layer and the base layer, the protruding parts of the surface layer and the base layer are arranged in a staggered manner, the TPU film is in a wave shape between the surface layer and the base layer, and a plurality of villi are fixed on one side of the surface layer away from the TPU film by flocking.
[0007] The utility model is further provided as follows: the surface layer and the base layer are both arranged as a heavy plain weave, the warp of the surface layer and the base layer comprises a plurality of yarns one and a plurality of yarns two arranged alternately, the diameter of the yarn one is greater than that of the yarn two, and the protruding parts are formed by the weft of the surface layer and the base layer supported by the yarn one.
[0008] The utility model is further provided as follows: the yarn one and the yarn two are both twisted by a first strand and a second strand, and the first strand and the second strand are alternately wound to form a node one and a node two.
[0009] The utility model further sets up: the diameter of yarn one upper node one is greater than the diameter of yarn one upper node two, the diameter of yarn two upper node one is greater than the diameter of yarn two upper node two.
[0010] The utility model further sets up: the diameter of yarn one upper node two is equal to the diameter of yarn two upper node one.
[0011] The utility model further sets up: the first strand sets up as polyester yarn, the second strand is twisted by acrylic yarn and wool yarn.
[0012] The utility model further sets up: the weft of surface layer and base layer sets up as polyester yarn.
[0013] Summarized above, the utility model has following beneficial effect:
[0014] The protruding part of surface layer and base layer is set in dislocation, makes TPU film present wavy, has increased the contact area of film and surface layer, base layer, has strengthened the stability of composite structure, has reduced the risk of fabric and film separation, the setting of nap has increased the fluff of surface layer, makes fabric and human body contact more soft and comfortable. Meanwhile, TPU film is located between surface layer and base layer, makes both sides of fabric present cloth feeling, further improved the comfort of wearing. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structural schematic diagram of the utility model;
[0016] Figure 2 It is the weaving structure schematic diagram of the utility model except surface layer;
[0017] Figure 3 It is the structure schematic diagram of yarn one in the utility model;
[0018] Figure 4 It is the structure schematic diagram of yarn two in the utility model.
[0019] In the drawing: 1, surface layer;2, base layer;3, TPU film;4, protruding part;5, yarn one;6, yarn two;7, node one;8, node two. DETAILED DESCRIPTION
[0020] The utility model is described in detail below in combination with the drawings and examples.
[0021] The multilayer TPU composite fabric, such as Figure 1As shown, including the surface layer 1 and base layer 2, the surface layer 1 and base layer 2 are fixedly connected with TPU film 3, the double-layer setting of the surface layer 1 and base layer 2 improves the thickness of the fabric, the TPU film 3 is arranged between the surface layer 1 and base layer 2, the surface layer 1 and base layer 2 protect the TPU film 3 and reduce the influence of the external environment on it, and meanwhile the TPU film 3 arranged in the middle makes both sides of the fabric present a cloth feeling, and the human body is more soft and comfortable when contacting the fabric, the surface layer 1 and base layer 2 are provided with a plurality of protrusions 4 arranged symmetrically on both sides, the protrusions 4 of the surface layer 1 and the protrusions 4 of the base layer 2 are arranged in a staggered manner, the TPU film 3 is in a wave shape between the surface layer 1 and the base layer 2, the protrusions 4 on the surface layer 1 and the base layer 2 exert an action force on the TPU film 3 to make it bend in different directions, so that the TPU film 3 as a whole presents a wave shape, the contact area of the TPU film 3 with the surface layer 1 and the base layer 2 is increased, and the TPU film 3 is more stable between the surface layer 1 and the base layer 2, reducing the risk of separation of the fabric and the film after a period of use.
[0022] As shown in Figure 1 The surface layer 1 is fixedly provided with a plurality of fluff on the side away from the TPU film 3, the fluff is fixed on the outside of the surface layer 1 by electrostatic flocking, a large amount of fluff can store more amount of static air, improve the warmth-keeping effect of the fabric, and the setting of the fluff increases the fluff feeling of the surface of the surface layer 1, so that people are more soft and comfortable when contacting the surface layer 1, and the composite fabric is more suitable for the production of winter clothing.
[0023] As shown in Figures 1-4 The yarn one 5 and the yarn two 6 are twisted by the first strand and the second strand, the first strand is set as polyester yarn, and the second strand is twisted by acrylic yarn and wool yarn, the first strand and the second strand are alternately twisted into node one 7 and node two 8, the yarn one 5 and the yarn two 6 are twisted by the first strand and the second strand, the first strand and the second strand are alternately twisted into node one 7 and node two 8, the diameter of node two 8 on the yarn one 5 is equal to the diameter of node one 7 on the yarn two 6, according to the limitation of the diameters of node one 7 and node two 8, the maximum diameter of the yarn one 5 is greater than the maximum diameter of the yarn two 6, the area height of the warp yarn as the yarn one 5 is greater than the area height of the warp yarn as the yarn two 6, so that the protrusion 4 is formed at the position of the yarn one 5, and the subsequent extrusion and fixation of the TPU film 3 are realized.
[0024] As shown in Figures 1-3As shown, the first strand and the second strand are twisted by the ring fancy twister, when producing the yarn one 5, the roller conveying the first strand and the roller conveying the second strand send yarn at the same speed for 2S to form a flat line, then the roller conveying the second strand stops sending yarn, the roller conveying the first strand continues to send yarn to form a node one 7, at this time the roller conveying the second strand stops for 1.2S to form the node one 7, the roller conveying the first strand and the roller conveying the second strand send yarn at the same speed for 2.5S, then the roller conveying the first strand stops for 0.8S, and the roller conveying the second strand is wound on the first strand to form a node two 8, because the yarn amount wound in the current area is different due to the different stopping time of the roller, the node one 7 and the node two 8 with different diameters are formed, thereby completing the knitting process of the yarn one 5.
[0025] As shown in Figures 1-2 , Figure 4 , the first strand and the second strand are twisted by the ring fancy twister when producing and processing the yarn two 6, the roller conveying the first strand and the roller conveying the second strand send yarn at the same speed for 2S to form a flat line, then the roller conveying the second strand stops sending yarn, the roller conveying the first strand continues to send yarn to form a node one 7, at this time the roller conveying the second strand stops for 0.8S to form the node one 7, the roller conveying the first strand and the roller conveying the second strand send yarn at the same speed for 2.5S, then the roller conveying the first strand stops for 0.6S, and the roller conveying the second strand is wound on the first strand to form a node two 8, because the yarn amount wound in the current area is different due to the different stopping time of the roller, the node one 7 and the node two 8 with different diameters are formed, thereby completing the knitting process of the yarn two 6.
[0026] As shown in Figures 1-4 , the face layer 1 and the base layer 2 are both set as heavy plain organization, the warp of the face layer 1 and the base layer 2 includes a plurality of yarn one 5 and a plurality of yarn two 6 arranged alternately, the weft of the face layer 1 and the base layer 2 is set as polyester yarn, acrylic yarn and wool yarn are twisted by the twisting machine to form the second strand, the acrylic yarn and the wool yarn both have good warmth retention, at the same time, the acrylic yarn as chemical yarn has better shape retention than the wool yarn, and can better maintain the stability of the size of the second strand, the good yarn one 5 and the yarn two 6 are fixed on the weaving machine by reeding, the two yarn one 5 and the two yarn two 6 are arranged alternately, the polyester yarn as weft is woven on the warp to obtain the face layer 1 and the base layer 2 respectively, and a plurality of protruding parts 4 are formed on the face layer 1 and the base layer 2.
[0027] As shown in Figure 1As shown, the TPU film 3 is compounded on the base layer 2 by smearing glue on one side of the base layer 2, and the surface layer 1 is compounded on the TPU film 3 by smearing glue on one side of the surface layer 1 as well, and then the surface layer 1, the TPU film 3 and the base layer 2 are extruded by the rotation of the extruding roller to make them fixed more firmly, and finally the flocking is fixed on the outermost surface layer 1 to complete the processing of the surface layer.
[0028] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions falling within the idea of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application shall be considered as falling within the protection scope of the present application.
Claims
1. A multi-layer TPU composite fabric comprising a face layer (1) and a base layer (2), characterized in that: TPU film (3) is fixedly connected between the surface layer (1) and the base layer (2), the surface layer (1) and the base layer (2) are provided with a plurality of protrusions (4) symmetrically arranged on both sides, the protrusions (4) of the surface layer (1) are arranged in a staggered manner with the protrusions (4) of the base layer (2), the TPU film (3) is in a wave shape between the surface layer (1) and the base layer (2), and a plurality of fluff is fixedly planted on one side of the surface layer (1) away from the TPU film (3).
2. The multi-layer TPU composite fabric of claim 1, wherein: The surface layer (1) and the base layer (2) are both provided with heavy plain organization, the warp of the surface layer (1) and the base layer (2) comprises a plurality of yarns one (5) and a plurality of yarns two (6) arranged alternately, the diameter of the yarn one (5) is greater than that of the yarn two (6), and the protrusions (4) are formed by the weft of the yarn one (5) supporting the surface layer (1) and the base layer (2).
3. The multi-layer TPU composite fabric of claim 2, wherein: The yarn one (5) and the yarn two (6) are both twisted by a first strand and a second strand, and the first strand and the second strand are alternately twisted into a node one (7) and a node two (8).
4. The multi-layer TPU composite fabric of claim 3, wherein: The diameter of the node one (7) on the yarn one (5) is greater than that of the node two (8) on the yarn one (5), and the diameter of the node one (7) on the yarn two (6) is greater than that of the node two (8) on the yarn two (6).
5. The multi-layer TPU composite fabric of claim 2, wherein: The diameter of the node two (8) on the yarn one (5) is equal to that of the node one (7) on the yarn two (6).
6. The multi-layer TPU composite fabric of claim 3, wherein: The first strand is provided as polyester yarn, and the second strand is twisted by acrylic yarn and wool yarn.
7. The multi-layer TPU composite fabric of claim 1, wherein: The weft of the surface layer (1) and the base layer (2) is provided as polyester yarn.