Cut-out laminated sheet and preparation method thereof

摘要

A cut-out laminated sheet can be prepared by laminating a protection sheet on a base sheet, followed by a simple two-step shearing process. The cut-out laminated sheet thus prepared features a protruding section that helps improving productivity by making the removal of the protection sheet easy; and thus, can be effectively used in a wide range of industrial applications such as a brittle sheet and a flexible sheet.

主权项

1. A method for manufacturing a cut-out laminated sheet, comprising the steps of:
(a) preparing a laminated sheet comprising a base sheet and a first protection sheet disposed on one side of the base sheet; (b) subjecting the laminated sheet of step (a) to a first shearing step to obtain a first cut-out laminated sheet of a desired shape, wherein the first shearing step being carried out using a pressing module having the desired shape, wherein the first cut-out laminated sheet further has a protrusion at its side edge, and wherein the first cut-out laminated sheet comprises a first part consisting of the desired shape and a second part consisting of the protrusion, said first part and second part both comprise the base sheet and the first protection sheet; and (c) subjecting the first cut-out laminated sheet obtained in step (b) to a second shearing step to remove the base sheet from the second part of the first cut-out laminated sheet, giving a second cut-out laminated sheet of the desired shape, wherein the second part of the second cut-out laminate comprises the first protection sheet without the base sheet.