Discontinuous vacuum-metalized thin film and wire and method for manufacturing same

Abstract

A method for manufacturing a discontinuous vacuum-metalized thin film includes the following steps: step 1: coating a corona surface of a flexible thin film (1) with a longitudinal discontinuous stripping layer; step 2: coating the corona surface and the stripping layer with a metal layer (3); and step 3: removing the stripping layer and the metal layer (3) on the stripping layer to obtain a discontinuous vacuum-metalized thin film. A method for manufacturing a discontinuous vacuum-metalized wire, a discontinuous vacuum-metalized thin film and a discontinuous vacuum-metalized wire are further disclosed.

Claims

1. A method for manufacturing a gold and silver yarn, comprising step 1: coating a corona surface of a flexible thin film with a longitudinal discontinuous stripping layer; step 2: coating the corona surface and the stripping layer with a metal layer; and step 2: removing the stripping layer and the metal layer on the stripping layer to obtain a packaging material; and longitudinally cutting the packaging material to obtain the gold and silver yarn, wherein the stripping layer is a fat-soluble stripping layer.

2. The method for manufacturing a gold and silver yarn according to claim 1, wherein in step 3, the stripping layer and the metal layer on the stripping layer are washed away with grease.

3. The method for manufacturing a gold and silver yarn according to claim 1, further comprising the following step between step 3 and step 4: coating the flexible thin film and a surface of the metal layer with a protective layer.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a flow chart of a method for manufacturing a discontinuous vacuum-metalized thin film according to a specific embodiment of the present invention;

(2) FIG. 2 is a flow chart of a method for manufacturing a discontinuous vacuum-metalized thin film according to another specific embodiment of the present invention;

(3) FIG. 3 is a flow chart of a method for manufacturing a discontinuous vacuum-metalized wire according to a specific embodiment of the present invention;

(4) FIG. 4 is a schematic flow chart of a method for manufacturing a discontinuous vacuum-metalized thin film and a method for manufacturing a discontinuous vacuum-metalized wire according to a specific embodiment of the present invention;

(5) FIG. 5 is a schematic view of a discontinuous vacuum-metalized thin film according to a specific embodiment of the present invention;

(6) FIG. 6 is a cross-sectional view of a discontinuous vacuum-metalized thin film according to a specific embodiment of the present invention; and

(7) FIG. 7 is a schematic view of a discontinuous vacuum-metalized wire according to a specific embodiment of the present invention.

(8) In FIGS. 1-7, 1. flexible thin film layer, 2. stripping layer, 3. metal layer, 4. protective layer, 5. flexible wire layer.

DETAILED DESCRIPTION OF EMBODIMENTS

(9) A discontinuous vacuum-metalized thin film and wire and method for manufacturing the same provided by the present invention will be described in more detail below with reference to the schematic drawings, where preferred embodiments of the present invention are shown, and it should be understood that those skilled in the art can modify the present invention described herein while the advantageous effects of the present invention are still achieved. Therefore, the following description is to be understood to be widely known to those skilled in the art and is not intended to limit the present invention.

(10) FIGS. 1 to 4 show a method for manufacturing a discontinuous vacuum-metalized thin film according to the present invention, including the following steps:

(11) Step 1: coat a corona surface of a flexible thin film with a longitudinal discontinuous stripping layer.

(12) Step 2: coat the corona surface and the stripping layer with a metal layer.

(13) Step 3: remove the stripping layer and the metal layer on the stripping layer to obtain a discontinuous vacuum-metalized thin film.

(14) In a preferred embodiment of the present invention, the stripping layer is a water-soluble stripping layer or a fat-soluble stripping layer.

(15) In a preferred embodiment of the present invention, in step 3, the stripping layer and the metal layer on the stripping layer are washed away with water or grease.

(16) In a preferred embodiment of the present invention as shown in FIG. 2, the method for manufacturing a discontinuous vacuum-metalized thin film further includes step 4: coating the flexible thin film and a surface of the metal layer with a protective layer.

(17) In a preferred embodiment of the present invention as shown in FIG. 3, the present invention further provides a method for manufacturing a discontinuous vacuum-metalized wire, including the steps of the method for manufacturing a discontinuous vacuum-metalized thin film, and the method for manufacturing a discontinuous vacuum-metalized wire further includes step 5 after step 3 or step 4: longitudinally cutting the discontinuous vacuum-metalized thin film to obtain a discontinuous vacuum-metalized wire.

(18) FIG. 4 shows a discontinuous vacuum-metalized thin film manufactured in a specific embodiment of the present invention. The discontinuous vacuum-metalized thin film has a continuous flexible thin film layer 1, and a corona surface of the flexible thin film layer 1 is provided with a longitudinal discontinuous metal layer 3.

(19) FIG. 6 shows a cross-sectional view of a discontinuous vacuum-metalized thin film manufactured in another embodiment of the present invention. The discontinuous vacuum-metalized thin film has a continuous flexible thin film layer 1, a corona surface of the flexible thin film layer 1 is provided with a longitudinal discontinuous metal layer 3, and the top sections of both the flexible thin film layer 1 and the metal layer 3 are covered with a protective layer 4.

(20) FIG. 7 shows a discontinuous vacuum-metalized wire manufactured by using the method for manufacturing a discontinuous vacuum-metalized wire according to the present invention. The discontinuous vacuum-metalized wire has a continuous flexible wire layer 5, a corona surface of the flexible wire layer 5 is provided with a longitudinal discontinuous metal layer 3, and the flexible wire layer 5 and the metal layer 3 are each provided with a protective layer 4.

(21) In the discontinuous vacuum-metalized thin film or the discontinuous vacuum-metalized wire provided by the present invention, the flexible thin film layer 1 or the flexible wire layer 5 is a PET thin film or a PA thin film.

(22) In the discontinuous vacuum-metalized thin film or the discontinuous vacuum-metalized wire, the metal layer 3 is an aluminum layer or a silver layer.

(23) When the discontinuous vacuum-metalized thin film according to the present invention is used for packaging, a shielding effect of the discontinuous vacuum-metalized thin film on a packaged object may be lost. When the discontinuous vacuum-metalized wire according to the present invention is used for textiles, a shielding effect of the discontinuous vacuum-metalized wire on an electronic tag may be lost. Gold and silver yarn textiles can be subjected to radio frequency identification in an unlimited number, making it possible to achieve quick ex-warehouse, storage and unmanned sales of the gold and silver yarn textiles, which greatly improves labor productivity and reduces labor costs.

(24) The above are merely preferred embodiments of the present invention, which do not impose any limitation on the present invention. Any form of equivalent replacement or modification and the like performed on the technical solutions and technical contents disclosed by the present invention by those skilled in the art without departing from the technical solutions of the present invention do not deviate from the technical solutions of the present invention and still fall within the protection scope of the present invention.