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CN-224210738-U - Synthetic leather and electronic equipment shell

CN224210738UCN 224210738 UCN224210738 UCN 224210738UCN-224210738-U

Abstract

The utility model relates to the technical field of synthetic leather, in particular to synthetic leather and an electronic equipment shell. The utility model provides synthetic leather, which comprises a TPU substrate layer, a PU layer and a laser notch, wherein a laser pattern is formed on one side surface of the TPU substrate layer, the PU layer is arranged on one side surface of the TPU substrate layer, the laser notch is formed on the PU layer and corresponds to the laser pattern, and the orthographic projection of the laser pattern towards the PU layer falls into the laser notch along the thickness direction of the synthetic leather. The synthetic leather provided by the utility model has the advantages of excellent environmental protection, strong laminating performance, smooth laser patterns and rich visual effect.

Inventors

  • WU JUNBIN
  • XIAO HUA
  • LIN YIBANG
  • WANG SIHUANG
  • LIU AIJUN

Assignees

  • 立臻控股(昆山)有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (10)

  1. 1. A synthetic leather, comprising: A TPU substrate layer (100), one side surface of which is formed with a laser pattern (110); The PU layer (200) is arranged on the surface of one side of the TPU substrate layer (100) where the laser pattern (110) is formed, laser notches (210) which are arranged corresponding to the laser pattern (110) are formed on the PU layer (200), and the orthographic projection of the laser pattern (110) towards the PU layer (200) falls into the laser notches (210) along the thickness direction of the synthetic leather (10).
  2. 2. The synthetic leather according to claim 1, characterized in that the TPU substrate layer (100) is one or more layers; Wherein when the TPU substrate layer (100) is a plurality of layers, each sub-layer of the TPU substrate layer (100) is laminated along the thickness direction of the synthetic leather (10).
  3. 3. The synthetic leather of claim 2, wherein when the TPU substrate layer (100) is a multilayer, a plurality of the laser patterns (110) are each independently formed in each sub-layer of the TPU substrate layer (100); Wherein, in two adjacent sublayers, the size of the laser pattern (110) of the sublayer close to the PU layer (200) is not smaller than the size of the laser pattern (110) of the sublayer far from the PU layer (200).
  4. 4. A synthetic leather according to claim 3, characterized in that in the TPU substrate layer (100) the color rendering properties of at least two adjacent sub-layers are different.
  5. 5. The synthetic leather according to any one of claims 1 to 4, wherein the TPU substrate layer (100) is any one of a polyester polyurethane layer, a polyether polyurethane layer and an aliphatic polyurethane layer; and/or the shore hardness of the TPU substrate layer (100) is 60A to 90A; and/or the antibacterial rate of the TPU substrate layer (100) is not less than 90%; And/or, the flame retardancy of the TPU substrate layer (100) is not less than UL94V2 grade.
  6. 6. The synthetic leather according to any one of claims 1 to 4, characterized in that the TPU substrate layer (100) has a thickness of 0.1mm to 0.4mm; and/or the thickness of the synthetic leather (10) is 0.2 mm-0.6 mm.
  7. 7. The synthetic leather of any one of claims 1-4, further comprising a functional layer comprising at least one of a foamed layer (300), a barrier layer (400), a top layer (500), a surface treatment layer (600), and a tactile layer (700); The functional layers are respectively and independently arranged on the surface of one side of the PU layer (200) away from the TPU substrate layer (100) or between the PU layer (200) and the TPU substrate layer (100), and laser scores (210) which are arranged corresponding to the laser patterns (110) are formed on the functional layers.
  8. 8. An electronic equipment casing, characterized by comprising a synthetic leather (10) and a substrate layer (20), wherein the synthetic leather (10) is the synthetic leather (10) according to any one of claims 1 to 7; Wherein the TPU base layer (100) is disposed adjacent to the substrate layer (20).
  9. 9. The electronic device housing according to claim 8, wherein the substrate layer (20) is any one of a plastic layer, a fiber reinforced composite layer, a glass layer, or a metal layer.
  10. 10. The electronic device housing according to claim 8, wherein the synthetic leather (10) is compounded with the substrate layer (20) by one or more of gluing, hot pressing and injection molding.

Description

Synthetic leather and electronic equipment shell Technical Field The utility model relates to the technical field of synthetic leather, in particular to synthetic leather and an electronic equipment shell. Background In the rapid development of the electronic industry, the design of the rear cover or the protective cover of electronic products such as mobile phones and notebooks is also important. After the shell materials such as plastics, metals, glass and the like are transformed, the existing electronic products are blended into new materials such as synthetic leather, suede and the like. The material is different from the ice-cold hard shell material of the traditional electronic product, can soften touch and enrich design elements. At present, the synthetic leather for electronic products mainly comprises PU synthetic leather and organic silicon synthetic leather. The substrate of the general PU synthetic leather material is nylon cloth base, oxford cloth base, glass fiber cloth base, cotton cloth base, excellent cloth accumulation base, microfiber cloth base and other materials, the substrate has no ductility, and is compounded with plastic, fiber reinforced composite materials, metal, glass and other shell materials to easily cause poor lamination, so that the problems of corner wrinkling and easy layering are caused. And the existing synthetic leather material only depends on the outermost layer as an appearance layer, has single visual effect and lacks layering sense. Disclosure of utility model Accordingly, it is necessary to provide a synthetic leather aiming at the problems of poor fitting property and single visual effect of the synthetic leather. The utility model provides synthetic leather, comprising: a TPU substrate layer, one side surface of which is formed with a laser pattern; The PU layer is arranged on the surface of one side of the TPU substrate layer, on which the laser pattern is formed, laser scores which are arranged corresponding to the laser pattern are formed on the PU layer, and the orthographic projection of the laser pattern towards the PU layer along the thickness direction of the synthetic leather falls into the laser scores. In one embodiment, the TPU substrate layer is one or more layers; when the TPU substrate layer is multi-layered, all the sub-layers of the TPU substrate layer are stacked along the thickness direction of the synthetic leather. In one embodiment, when the TPU substrate layer is a multilayer, a plurality of the laser patterns are each independently formed in each sub-layer of the TPU substrate layer; The size of the laser pattern of the sub-layer close to the PU layer in the two adjacent sub-layers is not smaller than that of the laser pattern of the sub-layer far away from the PU layer. In one embodiment, the color rendering properties of at least two adjacent sublayers in the TPU substrate layer are different. In one embodiment, the TPU substrate layer is any one of a polyester polyurethane layer, a polyether polyurethane layer, and an aliphatic polyurethane layer; And/or the TPU base layer has a shore hardness of 60A to 90A; and/or, the antibacterial rate of the TPU basal layer is not less than 90%; and/or, the flame retardancy of the TPU substrate layer is not less than UL94V2 grade. In one embodiment, the thickness of the TPU substrate layer is 0.1 mm-0.4 mm; and/or the thickness of the synthetic leather is 0.2 mm-0.6 mm. In one embodiment, the synthetic leather further comprises a functional layer comprising at least one of a foamed layer, a barrier layer, a top layer, a surface treatment layer, and a tactile layer; The functional layers are respectively and independently arranged on the surface of one side of the PU layer, which is away from the TPU substrate layer, or between the PU layer and the TPU substrate layer, and laser scores which are arranged corresponding to the laser patterns are formed on the functional layers. In a second aspect of the present application, there is provided an electronic device housing comprising a synthetic leather and a substrate layer, the synthetic leather being the synthetic leather according to any one of the first aspects of the present application; wherein the TPU substrate layer is disposed adjacent to the substrate layer. In one embodiment, the substrate layer is any one of a plastic layer, a fiber reinforced composite layer, a glass layer, or a metal layer. In one embodiment, the synthetic leather is compounded with the substrate layer by one or more of gluing, hot pressing, and injection molding. The synthetic leather of the utility model has at least the following advantages: The TPU substrate layer is selected, so that the defect of poor environmental protection property existing in the traditional PVC material is overcome. The PU layer is further arranged on the TPU substrate layer, and at the moment, the synthetic leather has the advantages of high strength, high elasticity, soft touch and good wea