Touch wire-drawing in-die transfer film and preparation method thereof

Abstract

The invention discloses a touch wire-drawing in-mold transfer printing film which is of a multi-layer structure overlapped layer by layer and sequentially comprises a PET layer and a UV layer from top to bottom. A plurality of wiredrawing texture grooves are formed in the lower surface of the PET layer, the wiredrawing texture grooves are grooves which are formed in the lower surface of the PET layer and are recessed towards the PET layer, and divergent deep wiredrawing textures are arranged on the inner surfaces of the wiredrawing texture grooves; and the UV layer can fully fill and be embedded into the plurality of wiredrawing texture grooves. According to the invention, the structure of the deep wire drawing texture groove of the PET layer is designed, so that the cured UV adhesive layer fully filled in the deep wire drawing texture groove forms numerous'tentacles' embedded into the groove of the PET layer, thereby increasing the acting force between the cured UV adhesive layer and the PET layer, and enabling the cured UV adhesive layer to be better adhered to the film surface of the PET layer in a'occlusion 'manner; and meanwhile, a release layer which must be used for separating the PET layer from the coating below in the prior art is avoided, so that the film structure is simplified, and the production cost is saved.

Description

technical field [0001] The present application relates to the technical field of mold injection molding, and more particularly, to a tactile wire drawing in-mold transfer film and a preparation method thereof. Background technique [0002] Conventional tactile injection molded parts are injected with a textured mold. During the molding process of the injection molded part, the injection liquid flows into the mold texture structure and then solidifies to form a textured injection molded part. The texture of this kind of tactile injection molding is relatively rough and not fine enough, and the texture structure of the mold often needs to be cleaned after injection molding, and the production cost of the mold is relatively expensive. [0003] The surface of conventional in-mold transfer injection molded parts with textured patterns cannot form a tactile effect. The corresponding in-mold transfer film structure generally includes a PET layer, a release layer, a wear-resistant l...

AI Technical Summary

Problems solved by technology

[0005] Aiming at at least one defect or improvement requirement of the prior art, the present invention provides a tactile drawing in-mold transfer film, which is used to solve the problem of shallow texture, weak tactility, PET layer and lower contact layer of the existing in-mold transfer film. The technical problem of the complex membrane structure caused by the poor adhesion between them and the need to use the release layer to separate

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