Method for printing prepressing in-mould transfer printing films and in-mould decorative films by using a printer

Abstract

The invention discloses a method for printing prepressing in-mould transfer printing films and in-mould decorative films by using a printer, which comprises the following steps: carrying out digital printing by using a printer so as to form a release layer, a protective wear-resisting layer, a printing ink pattern layer, a metal pattern layer and an adhesion layer in a counterpoint mode; carrying out prepressing molding on an in-mould transfer printing film according to the shape of an in-mould transfer printing film product by an in-mould transfer printing method, then putting the in-mould transfer printing film subjected to prepressing molding into an injection molding mould or an extrusion molding mould, combining the prepressing in-mould transfer printing film with plastics in the process of injection molding or extrusion molding, and removing an outermost substrate layer after demoulding so as to complete the process of in-mould transfer printing to finally obtain the required product; or putting an in-mould decorative film subjected to prepressing molding on the injection molding mould to carry out injection molding or extrusion molding, then cutting into the shape of an in-mould decorative film product (or cutting before the in-mould decorative film is put into the injection molding mould or the extrusion molding mould), so as to complete the process of preparing the in-mould transfer printing film.

Description

technical field [0001] The present invention provides a pre-mold internal transfer film printed by a printer and a pre-mold interior decoration film method, especially a pre-mold internal transfer film and its transfer printed on a product that is digitally printed by a printer. The surface, and the pre-molded interior decoration film digitally printed by the printer and the method of decorating it on the surface of the product. Background technique [0002] The known In-Mold Roller or In-Mold Release (IMR) film and the In-Mold Forming (IMF) film are used to make the desired graphics with a screen or a roller-type concave-convex plate. And use the printing machine or coating machine to implement the printing and coating of the release layer, protective wear-resistant layer, ink graphic layer, metal graphic layer, adhesive layer and other graphics, because the printing machine or coating machine, and The screen plate or drum-type concave-convex plate is an open space, it is ...

AI Technical Summary

Problems solved by technology

[0002] The known In-Mold Roller or In-Mold Release (IMR) film and the In-Mold Forming (IMF) film are used to make the desired graphics with a screen or a roller-type concave-convex plate. And use the printing machine or coating machine to implement the printing and coating of the release layer, protective wear-resistant layer, ink graphic layer, metal graphic layer, adhesive layer and other graphics, because the printing machine or coating machine, and The screen or drum-type concave-convex plate is an open space, it is difficult to meet the production requirements of not polluting the environment and air during the printing process, and it is easy to produce waste water, waste gas and garbage waste, which makes the treatment of the above three wastes very cumbersome

In addition, the known in-mold printing film (IMR) transfer method does not perform pre-press molding in advance according to the shape of the product, but directly puts the planar in-mold transfer film into the injection molding mold or puts it on the extruder. Forming mold, when it is bonded with molten plastic, or when it is bonded with extruded plastic, will cause the transfer film to wrinkle or crack, resulting in product defects, which shows that the known in-mold transfer film and Its transfer printing method, and even the in-mold decoration film and its in-mold decoration method can no longer meet the needs of today's product shapes and uses

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