TW201918370A - Cationic aqueous solution used in the manufacture method to prevent the packaging material is contaminated ink - Google Patents

Abstract

The present invention discloses a cationic aqueous solution used in the manufacture method to prevent the packaging material is contaminated ink, it includes the following steps: providing a material base, forming an ink layer, forming an primer layer, and forming a film layer. With the implementation of the present invention, not only it can be manufactured without ink contamination of the packaging materials, but also to achieve effective insulation ink layer. Thus contamination is perfectly stopped and the safety of drinking or eating is completely ensured.

Description

Method for manufacturing cationic aqueous solution to prevent ink from contaminating packaging material

The invention relates to a method for manufacturing a cationic aqueous solution for preventing ink contamination of a packaging material, in particular to a food packaging container, which uses a cationic aqueous solution as a cationic aqueous solution of an interface layer to manufacture a method for preventing ink from contaminating a packaging material.

Generally, the existing containers on the market, especially the paper cup structure printed with ink, are required to control the cost. Whether using black and white or colored ink, the quality of the packaging materials used is uneven, and it is difficult to ensure the use thereof. Safe or flawless. In addition, paper cups that are currently used in large quantities are mostly uncovered, often exposed directly to the user, and even contaminated with the contents of the contents, which are very likely to cause safety concerns for the user to drink or eat.

Furthermore, the current legal regulations for the use of inks are not yet complete, and most of the inks currently used still contain more or less toxic substances, and the risk of toxic contamination of users when using containers or paper cups. In fact, it is much larger than the imagination of the average person.

On the other hand, the transportation or storage of packaging materials, containers or paper cups, in order to reduce their occupation volume, is usually in the form of mutual or stacked, so that the high-combination ink layer printed on the packaging material, container or paper cup The ink will be contaminated by other means of packaging, containers or paper cups in a mutual contact or stack.

In view of this, it is necessary to invent the design of a method for preventing the ink from contaminating the packaging material as soon as possible, not only to preserve the convenience and mass production characteristics of the packaging material, but also to effectively isolate the ink material and avoid the ink material to the user or the contents. It causes pollution and can become an important innovation and progress in packaging materials, containers, paper cups and their application industries.

The present invention is directed to how to prevent the ink from contaminating the contents of the container or other containers in contact with the ink to protect the user's health and safety from drinking or eating.

The invention provides a method for manufacturing a cationic aqueous solution for preventing ink from contaminating a packaging material, comprising the steps of: providing a substrate, which is provided as a substrate for preventing ink from contaminating the packaging material; forming an ink layer, Forming an ink layer on at least one surface of the substrate; forming an interface layer for forming a cationic layer of a cationic aqueous solution on the ink layer; and forming a coating layer, which is a The coating layer is formed on the substrate or interface layer.

With the implementation of the present invention, at least the following advancements can be achieved: 1. Manufacturing costs are increased little, and mass production is easy. Second, the ink is isolated to avoid mutual contamination of the packaging materials or containers. 3. Avoid ink contamination of users or contents, and ensure the use of packaging materials or containers is hygienic and safe.

In order to make those skilled in the art understand the technical content of the present invention and implement it, and according to the disclosure, the patent scope and the drawings, the related objects and advantages of the present invention can be easily understood by those skilled in the art. The detailed features and advantages of the present invention will be described in detail in the embodiments.

Please refer to FIG. 1 , which is a method 100 for preparing a cationic aqueous solution to prevent ink contamination of a packaging material, comprising: providing a substrate (step S10); forming an ink layer (step S20); forming an interface a layer (step S30); and forming a lamination layer (step S40). It mainly uses an amine-based polymer of an ethyleneimine aqueous polymer, which is a highly cationic group, and thus can bond with a poly-type material, thereby producing a good interface treatment. Effect.

As shown in FIGS. 1 and 2, a substrate is provided (step S10), which is a substrate material prepared as a substrate for manufacturing an ink-repellent packaging material, and the substrate 10 used may be selected as a cardboard or a substrate. Polymer sheet.

When the substrate 10 is made of a paper substrate 10, the container formed by the ink-repellent packaging material manufactured by the method S100 for preventing the ink from contaminating the packaging material from the cationic aqueous solution may be a container. Paper cup, a paper bowl or a paper box.

On the other hand, when the material of the substrate 10 is selected as a polymer material, the polymer material used can be selected from a plastic or silicone material which is relatively easy to obtain and has a cost control.

As shown in FIGS. 1 and 3, an ink layer is formed (step S20), which is formed on at least one surface of the substrate 10 to form an ink layer 20, and the ink layer 20 may be formed on the entire substrate 10. The surface, or only a portion of the surface of the substrate 10 is formed.

As shown in FIGS. 6A to 8B, the ink layer 20 may be formed on at least one surface of the substrate 10. The ink layer 20 may be an aqueous ink layer 20, an oily ink layer 20, a solid ink layer 20, or a comprehensive ink layer 20.

As shown in FIG. 1 and FIG. 4A, an interface layer is formed (step S30), in which an interface layer 30 of a cationic aqueous solution is formed on the ink layer 20, and the interface layer 30 can be The ethyleneimine aqueous polymer is formed by a total solid content of 5% to 50%, and the ethyleneimine aqueous polymer may contain 1% to 25% of an amine group-containing polymer.

Next, referring to FIGS. 1 and 4B, a coating layer is formed (step S40), and a coating layer 40 is attached to the substrate 10 or the interface layer 30.

When the ink layer 20 is formed on the surface of the substrate 10, since the ink layer 20 sometimes does not easily adhere to the coating layer 40, a layer is formed on the ink layer 20 before covering the coating layer 40. The interface layer 30, which is easy to adhere to both the coating layer 40 and the ink layer 20, ensures the stable adhesion of the coating layer 40.

As shown in FIG. 4A, FIG. 4B, and FIGS. 6A to 8B, the coating layer 40 is attached to the interface layer 30 covering the ink layer 20, which can effectively shield the ink layer 20 and avoid the ink layer. 20 Direct contact with a user or other object can prevent the ink used in the ink layer 20 from contaminating the user or other objects and adversely affecting them.

The coating layer 40 used to form the coating layer (step S40) may be formed of a polymer material, and the polymer material used may be polypropylene (PP) or polyvinyl chloride (PVC). Polyethylene (PE), low density polyethylene (LDPE), high density polyethylene (HDPE), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (ABS), polyamine resin ( Nylon), polyester resin (PET) or ethylene-vinyl acetate copolymer (EVA resin).

Furthermore, as shown in FIGS. 5 to 8B, the manufacturing method S200 is a method for producing a cationic aqueous solution to prevent ink contamination of the packaging material. The method S100 further includes a step of forming a container (step S50), which is protected against ink. The pollution-contaminated packaging material forms an ink-repellent-contaminated container 100, an ink-repellent-contaminated container 200, or an ink-repellent-contaminated container 300, wherein the ink-repellent-contaminated container 100, the ink-repellent-contaminated container 200, or the ink-repellent-contaminated container 300 can be It is a cup, bowl or box.

As an example of the ink repellent container 100 shown in FIGS. 6A and 6B, only the outer layer 10 of the substrate 10 is formed with the ink layer 20. As an embodiment of the ink repellent container 200 shown in FIGS. 7A and 7B, the ink layer 20 is formed on both the outer surface and the inner surface of the substrate 10. Further, as in the embodiment of the ink repellent container 300 shown in FIGS. 8A and 8B, the ink layer 20 is formed on the outer surface, the inner surface, and the inner bottom surface of the substrate 10.

As shown in FIGS. 6A to 8B, the ink repellent contamination container 100, the ink repellent contamination container 200, or the ink repellent contamination container 300 may be internal or external, either directly on the surface of the substrate 10 or above the interface layer 30. The surface layers are all the coating layer 40.

In summary, the ink repellent contaminated container 100 having the coating layer 40, the ink repellent contaminating container 200 or the ink repellent contaminating container 300 all use the interfacial layer 30 to allow the laminating layer to adhere to the ink layer 20 40, the coating layer 40 can be attached to the substrate 10 and the ink layer 20 at the same time, and the coating layer 40 effectively isolates the ink in the ink layer 20 to achieve the effect of preventing ink contamination. Ensure hygiene and avoid the possibility of exposure to toxic substances in the ink.

The embodiments are described to illustrate the features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the present invention and to implement the present invention without limiting the scope of the present invention. Equivalent modifications or modifications made by the spirit of the disclosure should still be included in the scope of the claims described below.

S100‧‧‧Method for manufacturing cationic aqueous solution to prevent ink from contaminating packaging materials

S10‧‧‧ providing substrate

S20‧‧‧Ink layer

S30‧‧‧ forming interface layer

S40‧‧‧ forming a laminar layer

S200‧‧‧Manufacturing method

S50‧‧‧ forming a container

10‧‧‧Substrate

20‧‧‧Ink layer

30‧‧‧Interface

40‧‧‧Layer layer

100‧‧‧Ink-contaminated container

200‧‧‧Anti-ink pollution container

300‧‧‧Ink-contaminated container

[FIG. 1] FIG. 1 is a flow chart showing a method for manufacturing a cationic aqueous solution to prevent ink from contaminating a packaging material; FIG. 2 is a schematic view showing a substrate according to an embodiment of the present invention; A schematic view of forming an ink layer on a substrate according to an embodiment of the present invention; [FIG. 4A] is a schematic view showing formation of an ink layer and a coating layer on a substrate according to an embodiment of the present invention; [FIG. 4B] A schematic diagram of forming a lamellar layer according to an embodiment of the present invention; [Fig. 5] is a flow chart showing a step of forming a container according to an embodiment of the method of the present invention; [Fig. 6A] [FIG. 6B] is a schematic longitudinal cross-sectional view of the embodiment of FIG. 6A; [FIG. 7A] is a longitudinal sectional view of another container manufactured by the method embodiment of the present invention; [FIG. 7B] Figure 7 is a partially enlarged view of the embodiment of Figure 7A; [Fig. 8A] is a schematic cross-sectional view of still another container manufactured by the method embodiment of the present invention; and [Fig. 8B] is a partial enlarged view of the embodiment of Figure 8A .

Claims (10)

A method for producing a cationic aqueous solution for preventing ink from contaminating a packaging material, comprising the steps of: providing a substrate, which is provided as a substrate, as a substrate for contaminating the packaging material; and forming an ink layer, which is An ink layer is formed on at least one surface of the substrate; an interface layer is formed on the ink layer by forming an interface layer of a cationic aqueous solution; and a coating layer is formed, which forms a coating layer On the substrate or the interface layer. The method of claim 1, wherein the substrate is a paper substrate or a polymer substrate. The method of claim 1, wherein the ink layer is an aqueous ink layer. The method of claim 1, wherein the cationic aqueous solution further comprises an ethyleneimine aqueous polymer. The method of claim 1, wherein the interface layer is formed by an aqueous ethyleneimine polymer having a total solid content of 5% to 50%. The method of claim 5, wherein the ethyleneimine aqueous polymer contains from 1% to 25% of the amine-containing polymer. The method of claim 1, wherein the coating layer is a coating layer of a polymer material. The method of claim 1, wherein the coating layer is polypropylene (PP), polyvinyl chloride (PVC), polyethylene (PE), low density polyethylene (LDPE), high density polyethylene. (HDPE), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (ABS), polyamide resin (Nylon), polyester resin (PET) or ethylene-vinyl acetate copolymer (EVA) Resin) formed. The method of claim 1, further comprising the step of forming a container to form an ink repellent contaminated container. The method of claim 9, wherein the ink-repellent contaminated container is a cup, a bowl or a box.