CN214027605U

CN214027605U - Composite layer structure and structure with indication function

Info

Publication number: CN214027605U
Application number: CN202021840703.2U
Authority: CN
Inventors: 爽·萨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-08-24
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a composite bed structure and a structure with instruction function. The composite layer structure includes a bottom layer; at least one volatilization layer, wherein each volatilization layer of the at least one volatilization layer is formed of a volatilizable material that will gradually volatilize after contact with air, but is not permeable to air prior to volatilization; a color change material disposed between the base layer and the at least one volatile layer, the color change material will change color when exposed to air, and the at least one volatile layer, together with the base layer, isolates the color change material from air; and a top layer composed of an air impermeable material and which, together with the bottom layer, isolates the at least one volatile layer and the color change material from air.

Description

Composite layer structure and structure with indication function

Technical Field

The utility model relates to a material field more specifically relates to a composite bed structure and a structure with instruction function.

Background

Currently, structures such as stickers have very wide application in various industries and fields. Labels may be used to indicate information such as the name, weight, date of manufacture, use, price, etc. of an item (e.g., a commodity on sale). Current stickers are generally static and the displayed information remains unchanged. There are also some devices that use electronic display devices or complex mechanical structures to indicate the passage of time, but such devices or structures are often complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a composite layer structure, which comprises a bottom layer; at least one volatilization layer, wherein each volatilization layer of the at least one volatilization layer is formed of a volatilizable material that will gradually volatilize after contact with air, but is not permeable to air prior to volatilization; a color change material disposed between the base layer and the at least one volatile layer, the color change material will change color when exposed to air, and the at least one volatile layer, together with the base layer, isolates the color change material from air; and a top layer composed of an air impermeable material and which, together with the bottom layer, isolates the at least one volatile layer and the color change material from air.

The utility model also provides a structure with instruction function, including two at least above-mentioned description's composite layer structures, wherein the length of the required time that finishes is all volatilized in every composite layer structure's among two at least composite layer structures is set up respectively.

The embodiment of the utility model discloses an utilize and take place the coating that discolours behind the air contact, need not complicated electric elements or complicated mechanical structure, can instruct the time of process promptly, the structure is more simple, and it is also very convenient to use.

Drawings

In the following drawings of the present invention, like features are denoted by like reference numerals, and in some drawings, like drawings denote like structures or materials.

Fig. 1 is a schematic view of a composite layer structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of a composite layer structure according to another embodiment of the present invention.

FIG. 3 is a schematic representation of the change over time of the volatile layer and color change material regions in the composite layer structure of FIG. 2.

Fig. 4 is a schematic view of a composite layer structure according to another embodiment of the present invention.

Fig. 5 is a schematic top view of a structure with an indicating function according to an embodiment of the present invention.

Fig. 6A to 6F are schematic side or sectional views of a composite layer structure constituting the structure having an indicating function in fig. 5.

Detailed Description

The contents of the present invention will now be described with reference to several exemplary embodiments. It should be understood that these examples are described only to enable those of ordinary skill in the art to better understand and thus implement the teachings of the present invention, and are not intended to suggest any limitation as to the scope of the invention.

As used herein, the term "include" and its variants should be read as open-ended terms meaning "including, but not limited to. The term "based on" should be read as "based, at least in part, on. The terms "one embodiment" and "an embodiment" should be read as "at least one embodiment". The term "another embodiment" should be read as "at least one other embodiment".

Fig. 1 shows a composite layer structure according to an embodiment of the present invention, which comprises a surface layer 1, a volatile layer 2, a color-changing coating 4 and a bottom layer 5. In the embodiment of the present invention, the number of the volatilization layers may be one or more layers. In an embodiment of the invention, the volatilization layer is formed by a volatilizable material that will gradually volatilize (e.g., sublimate from a solid to a gas) upon contact with air, preferably the volatilizable material is impermeable to air prior to volatilization. In embodiments of the present invention, the volatilization layer can be formed of any suitable material, as long as the material can satisfy the above-described "volatilization" requirement. In an embodiment of the present invention, the number of the bottom layer and the top layer may be one or more layers, respectively. In embodiments of the present invention, the bottom layer and the top layer may be formed of an airtight material, respectively. In the embodiment of the utility model, the bottom and the top layer will volatilize the layer and the color-changing material is isolated with the air together. In embodiments of the present invention, the bottom layer and the top layer may be formed from a material selected from the group consisting of: polyethylene (PE), polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), etc., although other materials may be selected as desired by those skilled in the art. In an embodiment of the present invention, the color changing coating is disposed between the bottom layer and the volatile layer, which will change color when in contact with air. In the embodiment of the utility model, the volatilization layer and the bottom layer together isolate the color-changing material from the air. In the embodiment of the present invention, the color-changing coating may comprise any material as long as the material can play a role of changing color, examples of which include but are not limited to ferrous sulfate, which changes from green to yellow brown after contacting air; sodium peroxide, changing from light yellow to white upon exposure to air. Through the color development of different colors, the user can visually observe the information required to be expressed by the composite layer structure. In an embodiment of the invention, the color-changing material is provided as a coating on the surface of the bottom layer facing the volatilization layer. In an embodiment of the invention, the color change material is filled in a depression provided on the surface of the bottom layer facing the volatilization layer. In an embodiment of the invention, the color change material is located in a specific area of the color change layer between the bottom layer and the volatilization layer. In an embodiment of the present invention, the color-changing material is located between adjacent volatilization layers. However, without being limited to the above examples, the structure and arrangement position of the color-changing material may be selected as desired by those skilled in the art. In an embodiment of the invention, the composite layer structure further comprises a barrier material 3, which is arranged between the bottom layer and the volatilization layer, can be formed of an airtight material, and surrounds the color change material to separate the color change material from the air barrier together with the bottom layer and the volatilization layer that has not volatilized yet. In an embodiment of the present invention, the color-changing material and the barrier material together form a color-changing layer to form desired display information as needed. In an embodiment of the invention, the barrier material is the same as the material forming the top layer and/or the bottom layer. In embodiments of the present invention, the various layers in the composite layered structure are laminated together by methods known in the art, such as electrostatic adsorption, bonding, and the like. In embodiments of the present invention, the composite layer structure may include other structures or additional layers. In embodiments of the present invention, the composite layer structure is attached to the surface of the article by electrostatic attraction, adhesives, or the like, for example, the bottom surface of the bottom layer has an adhesive. In an embodiment of the present invention, a composite layer structure is used as a label, which has the same meaning as a label, a protective film, or the like.

In the embodiment of the present invention, the time required for the volatilization layer to completely volatilize after contacting the air can be set by adjusting one or more of the material, thickness, number, etc. of the volatilization layer, thereby providing sufficient flexibility of time control. In an embodiment of the present invention, the time required for each of the plurality of volatilization layers to completely volatilize after contacting with air is preset, and preferably, the time required for each volatilization layer is the same (such an embodiment is simpler).

Fig. 2 shows a composite layer structure according to another embodiment of the invention, wherein a different arrangement than in fig. 1 is used for the surface layer and the color change material. In an embodiment of the present invention, the color-changing material is arranged as or displays symbols, characters and/or images having specific indication meanings to be able to provide intuitive display information as required. In an embodiment of the invention, the color change material is arranged to comprise a plurality of mutually spaced color change material areas. Referring to fig. 2, there are 6 areas of color change material that, upon exposure to air, display the symbols "1", "2", "3", "4", "5" and "VOID", indicating in sequence that the shelf life has elapsed for 1 day, 2 days, 3 days, 4 days, 5 days and that the shelf life has expired.

FIG. 3 shows a schematic representation of the volatile layers and color change material areas in the composite layer structure of FIG. 2 over time, wherein all volatile layers were completely volatilized at day 6 and all color change areas were in contact with air. In an embodiment of the present invention, the volatilization layer may include two or more layers, and the area and positioning of each volatilization layer are set such that the number of layers of the volatilization layer above each color-changing material region in the plurality of color-changing material regions spaced apart from each other is different from each other, for example, the number of layers of the volatilization layer above each color-changing material region gradually increases (as shown in fig. 2 and 3). Through the arrangement, a user can quantitatively know the change interval, and in the field of food preservation, an operator and a consumer can conveniently know the quality guarantee period; in the field of public health, it is possible to let a cleaner or a worker know how often cleaning is required.

Fig. 4 shows a schematic view of a composite layer structure according to yet another embodiment of the present invention, wherein each of a plurality of spaced-apart color change material regions is filled with a volatizable material between the color change material region and the bottom layer. In an embodiment of the present invention, the filled volatizable material forms a plurality of volatizable layers with the color change material region. In the embodiment of the present invention, the thickness of the volatilizable material filled between each color-changing material region and the bottom layer is different. Through above-mentioned setting, the color-changing material can drop along with the volatile layer that has volatilized together, reduces the interference to the user, provides extra convenience.

In an embodiment of the present invention, the composite structure may be formed by at least two composite layer structures. In an embodiment of the present invention, the combined structure may be a structure having an indication function. In an embodiment of the invention, each composite layer structure constituting the composite structure has the same or different arrangement. Fig. 5 shows a schematic top view of a structure with an indicating function according to an embodiment of the present invention, wherein the color change material of each composite structure is arranged to display a symbol, a text and/or a figure after contact with air, for example, corresponding to the length of time required for the volatilization layer of the composite structure to be completely volatilized. Such an arrangement comprising at least two composite layer structures can provide the required flexibility. Fig. 6A to 6F show schematic side or sectional views of a composite layer structure constituting the structure having an indicating function in fig. 5.

In an embodiment of the present invention, an exemplary method of using the above-described composite layer structure or the structure having an indication function is as follows: attaching the composite layer structure to an article requiring time indication, for example in the form of a protective film to a public keyboard, for indicating the time of use of the protective film for periodic replacement thereof; removing the surface layer so that the air comes into contact with the underlying volatilization layer (e.g., 3 layers), wherein the air does not come into contact with the underlying volatilization layer or the color-changing paint before the overlying volatilization layer is completely volatilized, and each volatilization layer can be set to require, for example, 1 hour, 10 hours, or 1 day to be completely volatilized; after all the volatile layers are completely volatilized, the air is contacted with the color-changing coating, and the coating is changed into a second color from a first color; the color change indication of the coating reaches a predetermined time to alert the user to replace the protective film with a new one. In embodiments of the present invention, the composite layer structure or the structure having the indicating function may also be used for other purposes.

It will be appreciated by those of ordinary skill in the art that the foregoing is merely exemplary of the present invention and is not intended to limit the present invention. The present invention may also encompass various modifications and variations. Any modification and variation within the spirit and scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. A composite layer structure, comprising:

a bottom layer;

at least one volatilization layer, wherein each volatilization layer of the at least one volatilization layer is formed of a volatilizable material that will gradually volatilize after contact with air, but is not permeable to air prior to volatilization;

a color change material disposed between the base layer and the at least one volatile layer, the color change material will change color when exposed to air, and the at least one volatile layer, together with the base layer, isolates the color change material from air; and

a cover layer comprised of a gas impermeable material and which, together with the base layer, isolates the at least one volatile layer and the color change material from air.

2. The composite layer structure of claim 1, wherein the time required for each volatilization layer of the at least one volatilization layer to completely volatilize after contact with air is predetermined.

3. The composite layer structure of claim 1, wherein the time required for each volatilization layer of the at least one volatilization layer to completely volatilize after contact with air is the same as each other.

4. The composite layer structure of claim 1, wherein the color change material is disposed as a coating on a surface of the base layer facing the at least one volatile layer.

5. Composite layer structure according to claim 1, characterized in that the surface of the bottom layer facing the at least one volatilization layer is provided with recesses in which the color change material is filled.

6. The composite laminate structure of claim 1, wherein the color change material is located in a partial region of the color change layer between the base layer and the at least one volatile layer.

7. A composite layer structure according to claim 1, wherein said at least one volatilization layer comprises two or more volatilization layers, and said color change material is located between adjacent volatilization layers.

8. Composite layer structure according to claim 1, characterized in that the colour change material is arranged as a symbol, a letter and/or a figure with an indicated meaning.

9. The composite layer structure of claim 1, wherein the composite layer structure is used as a label.

10. The composite layer structure of claim 1, wherein the color change material is arranged to comprise a plurality of spaced color change material regions.

11. A composite layer structure according to claim 10, wherein the at least one volatilization layer comprises two or more volatilization layers; and is

Wherein the area and positioning of each of the at least one volatilization layer are arranged such that the number of layers of volatilization layers above each of the plurality of spaced color change material regions are different from each other.

12. The composite layer structure of claim 11, wherein the number of volatizable layers over each of the plurality of spaced color change material regions increases.

13. The composite laminate structure of claim 12, wherein each of the plurality of spaced color shifting material regions contains an indicator corresponding to a time required for all of the volatile layers thereabove to be volatilized.

14. The composite structure of claim 12, wherein each of the plurality of spaced color shifting material regions is filled with a volatizable material that gradually volatizes upon contact with air but is not permeable to air prior to volatizing between the underlying layer and the color shifting material region.

15. The composite layer structure of claim 14, wherein each of the plurality of spaced color shifting material regions is of a different thickness than the volatizable material filled between the underlying layer and the color shifting material region.

16. The composite layer structure of claim 1, further comprising a barrier material, wherein the barrier material is disposed between the base layer and the at least one volatile layer and is disposed around the color change material; and is

Wherein the barrier material is comprised of a material that is gas impermeable.

17. A structure having an indicating function, comprising:

the composite layer structure of claim 1, wherein the length of time required for the volatilization layer of each of the at least two composite layer structures to completely volatilize is set separately.

18. The structure having an indicating function according to claim 17, wherein the length of time required for the volatilization layer of each of the at least two composite layer structures to completely volatilize is set to be sequentially short to long.

19. The structure having an indicating function according to claim 18, wherein the setting of the sequential short to long time periods is achieved by controlling the number of volatile layers in each of the at least two composite structures or the total thickness of the respective volatile layers in each composite structure.

20. The structure with indicating function of claim 19, wherein the color change material of each of the at least two composite structures is arranged as a symbol, letter and/or image corresponding to the length of time required for the volatilization layer of the composite structure to completely volatilize.