Appearance product with grains and patterns and production method thereof

Abstract

The invention discloses an appearance product with grains and patterns and a production method thereof. A composite stack and a decorative formed film are simultaneously disposed in a mould, the decorative formed film is integrally joined with composite while the composite is formed, grains on a grain layer of the decorative formed film can be transferred to a surface UV material layer of the product after the interior of the mould is pressurized, and the surface UV material layer of the solidified product has the same grains as the grain layer. A carrier part of the decorative formed film is torn off after demoulding, and the composite appearance product with grains and patterns is obtained. The surface treatment process of the composite appearance product is simplified, the appearance effect that traditional composites are unable to reach is realized, and product appearance feel is promoted from visual feel to touch feel by touching the surface grains.

Description

technical field [0001] The invention belongs to the field of manufacturing and surface treatment of appearance parts of electronic products, and in particular relates to a structure and a manufacturing method of a composite material appearance part with lines and patterns. Background technique [0002] IMR (In-Mold Decoration Molding) This process is to print the pattern on the film, and extrude the film and the mold cavity through the film feeding machine. After extrusion, the patterned ink layer is separated from the film, and the ink layer remains There is no transparent protective film on the surface of the final product, and the film is only a carrier in the production process. The traditional IMR is a bright surface IMR, and the decorative film used is sequentially composed of an adhesive layer, an ink layer, a UV material layer on the product surface, a release layer and a PET layer. The surface of the appearance piece has a smooth pattern. However, as consumers' de...

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Problems solved by technology

However, as consumers' demand for product appearance continues to increase, the above-mentioned product surface with smooth patterns can no longer meet market demand, and it is necessary to produce an appearance part that has both patterns and concave-convex and light-shading effects and can improve the hand feel.

The non-metallic composite materials used in electronic products are generally composed of carbon fiber or glass fiber and resin. Due to the high strength and hard surface of this material, it is difficult to form patterns and lines on its surface. The desired effect can only be achieved after multiple surface treatment processes, resulting in complex surface treatment process and high cost of composite materials, which is not conducive to the increase of its market share, and hinders its application and development to a certain extent.

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