CN110890016A

CN110890016A - Sticker and container

Info

Publication number: CN110890016A
Application number: CN201911123907.6A
Authority: CN
Inventors: 李华舒
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-03-17

Abstract

The invention discloses a sticker and a container, wherein the sticker comprises a normal display layer and a filling layer, the filling layer is arranged on one side of the normal display layer, a filling material which presents white color below a critical temperature is filled in the filling layer, and the filling material comprises any one or more of the following substances: a liquid which solidifies to a white solid below the critical temperature, a solution of white crystals precipitates at the critical temperature, a liquid which appears white crystals or white precipitates below the critical temperature, a substance which appears atomized below the critical temperature, colorless crystals which appear white below the critical temperature, and a mixture which appears white below the critical temperature. The temperature-sensing color-changing sticker and the container can realize that the temperature-sensing color-changing sticker is colorless at normal temperature and turns white at low temperature.

Description

Sticker and container

Technical Field

The invention relates to the technical field of temperature-sensing color-changing stickers, in particular to a sticker and a container.

Background

In the prior art, the traditional temperature sensing color changing sticker (coating) is difficult to realize complete pattern conversion due to the lack of the toner (coating) which is colorless at normal temperature and turns white at low temperature on the market. Currently, thermochromic products on the market can only use a thermochromic pigment as a conversion layer on the premise of using a normal-temperature layer pattern as a base map, and perform color retouching on the basis of the base map to realize partial conversion or convert a simple pattern using black as the base map.

In summary, it is difficult to achieve colorless at normal temperature and white at low temperature for thermochromic stickers of the prior art.

Disclosure of Invention

The embodiment of the invention provides a sticker and a container, which are used for solving the problem that the temperature-sensitive color-changing sticker in the prior art is difficult to be colorless at normal temperature and white at low temperature.

In order to achieve the above object, the present invention provides a sticker, including a normal display layer and a filling layer, wherein the filling layer is disposed on one side of the normal display layer, the filling layer is filled with a filling material which presents white color below a critical temperature, and the filling material includes any one or more of the following substances: a liquid which solidifies to a white solid below the critical temperature, a solution of white crystals precipitates at the critical temperature, a liquid which appears white crystals or white precipitates below the critical temperature, a substance which appears atomized below the critical temperature, colorless crystals which appear white below the critical temperature, and a mixture which appears white below the critical temperature.

Further, the liquid that solidifies below the critical temperature to a white solid comprises one or more of: oleic acid, octanoic acid, acetic acid, dimethyl sulfoxide.

Further, the solution that precipitates white crystals at the critical temperature includes one or more of: sodium carbonate and sodium acetate solution.

Further, the filler layer comprises a sealed envelope, the envelope being filled with the filler material.

The display panel further comprises a surface layer, the surface layer is arranged on one side of the normal display layer, the surface layer is connected with the normal display layer in a sealing mode, the filling layer is formed between the surface layer and the normal display layer, and the filling material is filled in a sealed accommodating cavity formed between the surface layer and the normal display layer.

Further, the surface layer is a heat insulation layer, and the heat insulation layer is made of a material or a coating layer with the thermal conductivity of less than 0.55W/(m.K).

Further, the surface layer is a temperature-sensitive color-changing layer.

Further, the superficial layer includes outer structure and the thermochromic layer of range upon range of setting, outer structure is located thermochromic layer is towards the one side of display surface.

Further, the filling material is colorless above a critical temperature and white below the critical temperature, and the critical temperature is between-6 ℃ and 70 ℃.

According to another aspect of the present invention, there is provided a container comprising the above-described sticker.

The invention utilizes the material characteristic of the filling material in the filling layer to present white color at the critical temperature, and replaces the color changing process of the traditional temperature sensing color changing coating. Further realizing the function of colorless at normal temperature and changing into white at low temperature. The paster fills the blank of the current temperature-sensing color-changing industry, allows the color-changed filling layer to take white as the ground color or partially display white, and achieves the aims that the normal display layer and the filling layer at normal temperature are completely independent in pattern and white can be used in the conversion layer.

Drawings

FIG. 1 is a schematic view of a sticker according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a sticker according to a second embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of a sticker according to a second embodiment of the present invention;

fig. 4 is a schematic structural view of a container according to a third embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and the examples, but without limiting the invention.

Referring to fig. 1, according to a first embodiment of the present invention, there is provided a sticker including a normal display layer 10 and a filling layer 20, the filling layer 20 being disposed on one side of the normal display layer 10, the filling layer 20 being filled with a filling material exhibiting white color below a critical temperature, the filling material including any one or more of:

a liquid which solidifies to a white solid below the critical temperature, a solution of white crystals precipitates at the critical temperature, a liquid which appears white crystals or white precipitates below the critical temperature, a substance which appears atomized below the critical temperature, colorless crystals which appear white below the critical temperature, and a mixture which appears white below the critical temperature.

Preferably, the liquid that solidifies to a white solid below the critical temperature comprises one or more of the following: oleic acid, octanoic acid, acetic acid, dimethyl sulfoxide. Of course, the type of liquid that can solidify below the critical temperature to a white solid is among the material substances to be protected by the present invention, and only a few substances are exemplified here.

Preferably, the solution that precipitates white crystals at the critical temperature comprises one or more of the following: sodium carbonate and sodium acetate solution.

Preferably, the filler material is colorless above a critical temperature and appears white below the critical temperature, which is between-6 ℃ and 70 ℃. That is, any material substance satisfying the above conditions can be used as the filler of the present invention. The choice of filler material can be found in the following table, critical temperature and choice of material substance:

further, in this embodiment, the filling layer 20 comprises a sealed envelope filled with a filling material. The envelope can be a transparent and thin plastic bag, a filling material such as oleic acid can be filled in the envelope, and the filling material in the filling layer 20 is white at a critical temperature, so as to shield the normal display layer 10 or present a white pattern matched with the normal display layer 10. That is, the filling layer 20 may become white as a whole to completely shield the normal display layer 10. Or the filling layer 20 may be partially filled with a filling material, and the filling area itself forms a specific pattern or logo, and the specific pattern appears white after the filling layer 20 becomes white. If the filling area provided in the filling layer 20 is-10 pattern, the filling material of the filling layer 20 will present-10 white pattern after turning white.

Referring to fig. 1, in the present embodiment, the sticker further includes a surface layer 30, the surface layer 30 is disposed on one side of the normal display layer 10, the surface layer 30 is connected to the normal display layer 10 in a sealing manner, a filling layer 20 is formed between the surface layer 30 and the normal display layer 10, and a sealed accommodating cavity formed between the surface layer 30 and the normal display layer 10 is filled with a filling material.

In the present embodiment, the surface layer 30 is a thermochromic layer. The normal display layer 10 is the characters or the patterns with colors, the characters or the patterns with colors appear on the temperature-sensitive color-changing layer after refrigeration, the filling layer 20 is white, and the temperature-sensitive color-changing layer and the filling layer 20 cover the normal display layer 10 or are matched with the normal display layer 10.

The sticker also comprises an adhesive layer 40, wherein the adhesive layer 40 is arranged adjacent to the normal display layer 10, the surface layer 30, the filling layer 20, the normal display layer 10 and the adhesive layer 40 are sequentially stacked, and a complete sticker structure is formed after lamination.

In another not shown embodiment, substantially the same as the above described embodiment, except for the specific structure of the surface layer, in this embodiment the surface layer is a thermal insulation layer made of a material or coating having a thermal conductivity of less than 0.55W/(m · K). The surface layer (thermal insulation layer), the filling layer, the normal display layer and the adhesive layer are sequentially stacked, and a complete sticker structure is formed after lamination. Because the thermal conductivity of the thermal insulation layer is extremely low, the cooling or heating speed of the filling layer is delayed. Therefore, in a cold storage environment, when the temperature indicating object reaches a specific temperature, the filling layer of the sticker changes color, and the reference of the temperature indicating effect of temperature sensing color change is improved.

Referring to fig. 2 and 3, according to a second embodiment of the present invention, there is provided a sticker including a normal display layer 10 and a filling layer 20, the filling layer 20 being disposed on one side of the normal display layer 10, the filling layer 20 being filled with a filling material exhibiting white color below a critical temperature, the filling material including any one or more of:

The sticker also comprises a surface layer 30, wherein the surface layer 30 is arranged on one side of the normal display layer 10, the surface layer 30 is connected with the normal display layer 10 in a sealing mode, a filling layer 20 is formed between the surface layer 30 and the normal display layer 10, and a sealing containing cavity formed between the surface layer 30 and the normal display layer 10 is filled with a filling material 21. The surface layer 30 includes an outer structure 32 and a thermochromic layer 31, which are stacked, and the outer structure 32 is located on a side of the thermochromic layer 20 facing the display surface. Wherein, the temperature sensing discoloring layer 31 and the normal display layer 10 are connected in a sealing way to form a bag sealing structure, and the side sealing edge 22 in fig. 2 is a sealing edge for sealing the temperature sensing discoloring layer 31 and the normal display layer 10.

Referring in particular to fig. 3, the outer structure 32 is located outermost, and the outer structure 32 may be formed using a material or coating having a thermal conductivity of less than 0.55W/(m · K). That is, the outer layer structure 32 can be used as a heat insulation layer, and the heat insulation layer is arranged on one side or two sides of the thermochromic layer, so that the cooling or heating speed of the thermochromic layer is slowed down due to the extremely low thermal conductivity of the heat insulation layer. The insulating layer is transparent and thickness is calculated, under the reasonable condition of insulating layer thickness, the temperature sensing object is synchronous with temperature sensing discoloration layer realization, like this under cold-stored environment, when the temperature sensing object reachd specific temperature, the temperature sensing discoloration layer of sticker just discolours, reaches the reference of promoting the temperature sensing effect that discolours of temperature sensing. The outer structure 32 can be used not only as a heat-insulating layer but also as a protective layer. The protective layer of the outer structure 32 may be made of resin, PVC, etc., and if necessary, the temperature of the conversion layer and the temperature indicating object (such as liquid in the attached container) may be synchronized, and a material mixed with aerogel powder, but not limited thereto, may be used as the protective layer.

The sticker also comprises an adhesive layer 40, wherein the adhesive layer 40 is adjacent to the normal display layer 10, the outer layer structure 32, the temperature-sensitive color-changing layer 31, the filling layer 20, the normal display layer 10 and the adhesive layer 40 are sequentially stacked, and a complete sticker structure is formed after lamination. When the adhesive needs to be adhered to the surfaces of containers, equipment, walls and the like, different adhesive layers can be adopted.

According to a third embodiment of the present invention, there is provided a container, referring to fig. 4, the container of the present embodiment includes a container body 52 and the sticker 51 of the above-described embodiment, the sticker 51 being provided on the container body 52.

The sticker 51 may be formed in a predetermined pattern below a certain temperature so that the color changes and a temperature effect is formed in a refrigerated environment, and particularly, the sticker 51 may appear white. Moreover, the sticker that uses can be under the reasonable condition of thermal insulation layer thickness, and the temperature sensing colour changing layer of the inside temperature object of container and sticker realizes in step, is located under the cold-stored environment at the container like this, and during the specific temperature that the temperature object reachd, the temperature sensing colour changing layer of sticker just discolours, reaches the reference nature that promotes the temperature sensing effect that discolours of temperature sensing.

Preferably, the container of this embodiment is a wine bottle, and the object of showing temperature is the wine in the wine bottle, and when the wine bottle was put into freezer or refrigerator, the sticker can not cool down the color change immediately, but the color change after refrigerating for a period of time, can also present white or white pattern. At the moment, the cooling of the wine in the wine bottle and the color change of the paster are synchronous. Ideally, the temperature range indicated by the discoloration of the sticker matches the temperature of the wine in the bottle. Of course, other beverages, fluids such as water, or solids such as the container itself may be used as the temperature indication object.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and refinements can be made without departing from the basic principle of the invention, and these modifications and refinements are also considered to be within the protective scope of the invention.

Claims

1. Paster, characterized in that it comprises a normal display layer (10) and a filling layer (20), said filling layer (20) being arranged on one side of said normal display layer (10), said filling layer (20) being filled with a filling material that appears white below a critical temperature, said filling material comprising any one or more of the following substances:

2. A sticker as claimed in claim 1, wherein the liquid that solidifies below the critical temperature into a white solid includes one or more of:

oleic acid, octanoic acid, acetic acid, dimethyl sulfoxide.

3. A sticker according to claim 1 wherein the solution that precipitates white crystals at the critical temperature includes one or more of:

sodium carbonate and sodium acetate solution.

4. Paster according to claim 1, characterized in that the filling layer (20) comprises a sealed envelope, which is filled with the filling material.

5. Paster according to claim 1, further comprising a surface layer (30), wherein the surface layer (30) is arranged on one side of the normal display layer (10), the surface layer (30) is hermetically connected with the normal display layer (10), the filling layer (20) is formed between the surface layer (30) and the normal display layer (10), and a sealed accommodating cavity formed between the surface layer (30) and the normal display layer (10) is filled with the filling material.

6. Paster according to claim 5, characterised in that the surface layer (30) is a heat-insulating layer made of a material or coating having a thermal conductivity of less than 0.55W/(m-K).

7. Paster according to claim 5, characterized in that the surface layer (30) is a thermochromic layer.

8. Paster according to claim 5, characterized in that the surface layer (30) comprises an outer layer structure and a thermochromic layer arranged one above the other, the outer layer structure being located on the side of the thermochromic layer (20) facing the display surface.

9. Paster according to claim 1, characterized in that the filling material is colourless above the critical temperature and appears white below the critical temperature, which lies between-6 ℃ and 70 ℃.

10. A container comprising a sticker as claimed in any one of claims 1 to 9.