Natural leather with a surface repaired with a microfiber layer
JP3250777UActive Publication Date: 2025-03-28KINMEI CO LTD
Patent Information
- Application Number
- JP2025000341U
- Authority / Receiving Office
- JP · JP
- Patent Type
- Utility models
- Current Assignee / Owner
- Filing Date
- 2025-02-01
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2035-02-01
Smart Images

Figure 0003250777000001_ABST
Abstract
To provide natural leather with a repaired surface, which does not impair the physical properties of the natural leather and can realize the texture, appearance, flexibility, etc. of the natural leather. [Means for solving the problem] A natural leather base layer in which the surface of natural leather having surface defects has been treated to have a nap of 0.3 to 0.5 mm, a polyurethane layer made of polyurethane resin, a microfiber layer having excellent moisture absorption properties made of polyester, polyamide, and / or polypropylene fibers thinner than 1 denier and having a diameter of less than 10 micrometers, and a surface layer having excellent moisture absorption properties, which are bonded together by a reactive urethane hot melt adhesive layer under heat and pressure, the natural leather base layer making up 50% or more of the total thickness, and having the physical properties of natural leather. When the polyurethane resin contains collagen, it combines with the microfiber to form a surface layer having excellent moisture absorption properties.
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Citation Information
Patent Citations
Artificial leather and its manufacturing method
JP2024525017A