TPU (thermoplastic polyurethane) decorative component of vehicle-mounted interior trim

Abstract

The utility model relates to the technical field of TPU (thermoplastic polyurethane) vehicle-mounted interiors, in particular to a TPU decorative component of a vehicle-mounted interior, which comprises a TPU decorative component body, an anti-dirt AF (anti-fouling) coating is fixedly connected to the lower end face of the TPU decorative component body, and a composite paint layer is mounted on the lower end face of the AF coating. According to the utility model, the TPU film with patterns and the glass fiber plate are placed in the mold for hot press molding, and the AF coating is formed on the surface of the TPU film and the glass fiber plate, so that the selectivity and the aesthetic feeling of the TPU decorative assembly are increased, the technological process is shortened, the material cost is reduced, the product yield is improved, and the maximization of user value is realized; according to the TPU decorative component, the AF coating is utilized, so that the TPU decorative component is provided with a protective layer which is separated from water and grease, the fireproof layer is made of a facing fireproof coating, the TPU decorative component has flame-retardant and fireproof capabilities and is more effectively protected, and meanwhile, the foam double-faced adhesive tape layer has high viscous force and waterproof performance, so that the foam double-faced adhesive tape layer is conveniently adhered to the position of the automotive trim.

Description

Technical Field

[0001] The utility model relates to the technical field of TPU vehicle interior decoration, in particular to a TPU decorative component of vehicle interior decoration. Background Art

[0002] TPU can be used to manufacture automotive interior and exterior decoration, such as dashboards, seat covers, door panels, etc. Due to its wear resistance, oil resistance, and waterproof properties, TPU can also be used to manufacture automotive bottom protection devices and engine hoods, etc. As people's demand for automotive comfort and safety continues to increase, the application prospects of TPU will be broader.

[0003] The prior art discloses patent application number "CN201721169427.X", a TPU automotive interior leather, including a foam board base, an adhesive layer, a TPU layer and a water-based polyurethane decorative layer. This TPU automotive interior leather can prevent the automotive interior leather from changing color at high temperatures and can enhance the bonding effect between the various components of the automotive interior leather.

[0004] This TPU automotive interior leather can only prevent the automotive interior leather from changing color due to high temperature. However, in actual use, the TPU decorative components will use the method of repeatedly spraying paint to form a TPU decorative scheme, which will increase costs. At the same time, the operation is time-consuming and labor-intensive, which affects the processing efficiency of the TPU decoration and is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a TPU decorative component for vehicle interior decoration to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A TPU decorative component for vehicle interior comprises a TPU decorative component body, the lower end surface of the TPU decorative component body is fixedly connected with an AF coating for resisting dirt, the lower end surface of the AF coating is installed with a composite paint layer, and the lower end surface of the composite paint layer is connected with a brightening film layer.

[0008] Preferably, a transfer pattern is fixedly mounted on the lower end surface of the brightness enhancement film layer, a primer layer is fixedly connected to the lower end surface of the transfer pattern, and a fiberglass board is mounted on the lower end surface of the primer layer.

[0009] Preferably, a fireproof layer for fireproofing the TPU decorative component is fixedly connected to the lower end surface of the glass fiber board, and a double-sided foam adhesive layer for bonding is connected to the lower end surface of the fireproof layer.

[0010] Preferably, the thickness of the AF coating is 0.2-0.3 mm, and the thickness of the composite paint layer is 1-3 mm.

[0011] Preferably, the thickness of the primer layer is 0.1-0.16 mm, and the thickness of the glass fiber board is 0.4-0.5 mm.

[0012] Preferably, the thickness of the fireproof layer is 0.1-0.2 mm, and the thickness of the foam double-sided adhesive layer is 0.06-0.1 mm.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model places a patterned TPU film and a glass fiber board in a mold for hot pressing, and then applies an AF coating on the surface, thereby increasing the selectivity and aesthetics of the TPU decorative components, shortening the process, reducing material costs, improving product yield, and maximizing user value;

[0015] 2. The utility model uses AF coating to make the TPU decorative component have a protective layer that repels water and grease, and the fireproof layer is a decorative fireproof coating, so that the TPU decorative component has flame retardant and fireproof capabilities, and the TPU decorative component is more effectively protected. At the same time, the foam double-sided adhesive layer has strong adhesion and waterproof properties, so that the foam double-sided adhesive layer can be bonded to the position of the car interior, thereby improving the firm adhesion of the TPU decorative component during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This utility model Figure 1 Schematic diagram of the structure of the TPU decorative component separation;

[0019] Figure 3 This utility model Figure 1 Schematic diagram of the structure of the upper layer of the TPU decorative component;

[0020] Figure 4 This utility model Figure 1 Schematic diagram of the structure of the lower layer of the TPU decorative component;

[0021] The reference numerals in the figures are as follows:

[0022] 1. TPU decorative component body; 2. AF coating; 3. Composite paint layer; 4. Brightening film layer; 5. Transfer pattern; 6. Primer layer; 7. Fiberglass board; 8. Fireproof layer; 9. Foam double-sided adhesive layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 4 As shown, a TPU decorative component for vehicle interior includes a TPU decorative component main body 1, the lower end face of the TPU decorative component main body 1 is fixedly connected with an AF coating 2 for anti-fouling, the lower end face of the AF coating 2 is installed with a composite paint layer 3, the composite paint layer 3 can ensure the corrosion prevention ability and increase the durability of the coating, the lower end face of the composite paint layer 3 is connected with a brightening film layer 4, the composite paint layer 3 is evenly distributed on the brightening film layer 4 by spraying, so that the brightening film layer 4 can avoid oxidation and extend the service life of the TPU decorative component.

[0025] The lower end surface of the brightening film layer 4 is fixedly installed with a transfer pattern 5, which can make the TPU decorative component corrosion-resistant. The lower end surface of the transfer pattern 5 is fixedly connected with a primer layer 6, which can improve the adhesion of the topcoat, provide anti-corrosion function, fill small defects, and enhance the fullness and color saturation of the topcoat. The lower end surface of the primer layer 6 is installed with a fiberglass board 7.

[0026] The lower end surface of the glass fiber board 7 is fixedly connected with a fireproof layer 8 for fire protection of the TPU decorative component, and the lower end surface of the fireproof layer 8 is connected with a foam double-sided adhesive layer 9 for bonding. By setting the foam double-sided adhesive layer 9 and utilizing the strong temperature resistance of the foam double-sided adhesive layer 9, the TPU decorative component can be suitable for different temperature environments and is easy to use.

[0027] The thickness of AF coating 2 is 0.2-0.3mm. AF coating 2 is a fluorine-containing coating made of fluorosilicone resin with special structure and has excellent anti-fouling property. The thickness of composite paint layer 3 is 1-3mm. Composite paint layer 3 includes mid-coat and topcoat. The mid-coat is made of polyurethane resin and has good compression resistance to play a protective role. The topcoat is made of epoxy resin and has wear resistance and corrosion resistance. The ratio is 1:4.

[0028] The thickness of the primer layer 6 is 0.1-0.16 mm. The primer layer 6 includes multiple components such as resin, pigment, diluent and additive, etc., which are used to increase the adhesion of the coating. The thickness of the glass fiber board 7 is 0.4-0.5 mm.

[0029] The thickness of the fireproof layer 8 is 0.1-0.2 mm, and the thickness of the foam double-sided adhesive layer 9 is 0.06-0.1 mm.

[0030] The working principle of a TPU decorative component for vehicle interior provided by the utility model is as follows:

[0031] According to the pattern designed by the customer, relevant color pigments are added to the main body 1 of the TPU decorative component, and then after multiple color mixing, manual splicing and molding, a TPU film with a special pattern effect is formed. The patterned TPU film and the glass fiber board 7 are placed in a mold for hot pressing, and then the excess scraps are cut off and the AF coating 2 is applied on the surface, thereby increasing the selectivity and beauty of the TPU decorative component, shortening the process, reducing material costs, improving product yield, and maximizing user value;

[0032] By utilizing the AF coating 2, the TPU decorative component is provided with a protective layer that repels water and grease, and the fireproof layer 8 is a finishing type fireproof coating, which can not only play a decorative role, but also allow the TPU decorative component to have flame retardant and fireproof capabilities, thereby more effectively protecting the TPU decorative component. At the same time, the foam double-sided adhesive layer 9 has strong adhesion and waterproof properties, so that the foam double-sided adhesive layer 9 can be bonded to the position of the automobile interior, thereby improving the firm adhesion of the TPU decorative component during installation, and at the same time, the TPU decorative component can be repeatedly pasted and used, which is conducive to the TPU decorative component having good reusability.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A TPU decorative component for vehicle interior, comprising a TPU decorative component body (1), characterized in that: The lower end surface of the TPU decorative component body (1) is fixedly connected to an AF coating (2) for resisting dirt, the lower end surface of the AF coating (2) is installed with a composite paint layer (3), and the lower end surface of the composite paint layer (3) is connected to a brightness enhancement film layer (4).

2. A TPU decorative component for vehicle interior according to claim 1, characterized in that: The lower end surface of the brightness enhancement film layer (4) is fixedly mounted with a transfer pattern (5), the lower end surface of the transfer pattern (5) is fixedly connected with a primer layer (6), and the lower end surface of the primer layer (6) is mounted with a glass fiber board (7).

3. A TPU decorative component for vehicle interior according to claim 2, characterized in that: The lower end surface of the glass fiber board (7) is fixedly connected to a fireproof layer (8) for fireproofing the TPU decorative component, and the lower end surface of the fireproof layer (8) is connected to a double-sided foam adhesive layer (9) for bonding.

4. The TPU decorative component for vehicle interior according to claim 1, characterized in that: The thickness of the AF coating (2) is 0.2-0.3 mm, and the thickness of the composite paint layer (3) is 1-3 mm.

5. The TPU decorative component for vehicle interior according to claim 2, characterized in that: The thickness of the primer layer (6) is 0.1-0.16 mm, and the thickness of the glass fiber board (7) is 0.4-0.5 mm.

6. The TPU decorative component for vehicle interior according to claim 3, characterized in that: The thickness of the fireproof layer (8) is 0.1-0.2 mm, and the thickness of the foam double-sided adhesive layer (9) is 0.06-0.1 mm.

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