Microencapsulated temperature-sensitive coating test box based on shell-core structure

Abstract

The utility model relates to the technical field of heat-sensitive material tests, in particular to a microencapsulation temperature-sensitive coating test box based on a shell-core structure, which comprises a test box, the test box comprises a shell, a hole site is arranged at the top of the test box, an inner core is arranged in the hole site, the shell and the inner core form a shell-core structure, and the shell-core structure is arranged in the test box. The outer shell and the inner core form a shell-core structure, the inner core is responsible for achieving temperature-sensitive color change, the outer shell wraps the inner core to protect the inner core, and the outer shell can effectively isolate the inner core from the external environment and protect dye from being oxidized or degraded. According to the preparation method, an aluminum alloy substrate can be coated with a thermosensitive dye in an accurate proportion and position by adopting a silk-screen printing technology, highly sensitive response to temperature change can be realized by controlling the thickness and distribution of a coating, the thermosensitive dye is packaged in microspheres of several microns by adopting a microencapsulation technology, the size and distribution of the microspheres can be accurately controlled, and the thermal stability of the microspheres is improved. And the uniformity and the stability of the heat-sensitive material are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat sensitive material test technical field especially relates to a kind of microencapsulated temperature-sensitive coating test box based on shell core structure. BACKGROUND

[0002] With the progress of science and technology and the diversification of industrial demand, heat-sensitive materials are increasingly widely used in various fields, especially in temperature monitoring, intelligent packaging, anti-counterfeiting technology and medical devices. Heat-sensitive materials can change color or other physical properties in response to changes in external temperature, providing intuitive visual feedback or functional response.

[0003] However, traditional heat-sensitive materials have some limitations in practical applications, such as insufficient temperature sensitivity and poor environmental stability, which limit their application in high-precision and high-reliability scenarios. To overcome these limitations, a microencapsulated temperature-sensitive coating test box based on shell core structure is proposed, which combines shell core structure and microencapsulation technology to enhance the sensitivity of the material to external temperature and protect the dye from environmental interference. SUMMARY

[0004] The utility model aims at solving the shortcomings of traditional heat-sensitive materials in practical applications, such as insufficient temperature sensitivity and poor environmental stability, which limit their application in high-precision and high-reliability scenarios. A microencapsulated temperature-sensitive coating test box based on shell core structure is proposed, which combines shell core structure and microencapsulation technology to enhance the sensitivity of the material to external temperature and protect the dye from environmental interference.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a microencapsulated temperature-sensitive coating test box based on shell core structure, comprising: a test box, the test box includes a shell, the top of the test box is provided with a hole site, the inside of the hole site is an inner core, the shell and the inner core form a shell core structure, this structure is similar to "capsule", the inner core is the core part of the shell core structure, responsible for realizing temperature-sensitive color change, the shell is wrapped outside the inner core, with the function of protecting the inner core, the shell can effectively isolate the inner core from the external environment, protect the dye from oxidation or degradation, prolong the service life of the material, the shell enhances the sensitivity to temperature through heat conduction, so that the heat-sensitive dye in the inner core can quickly respond to temperature changes, the inner core contains a mixture of color developer and stabilizer, and the color developer is heat-sensitive dye, the heat-sensitive dye will change color at a specific temperature, the stabilizer is used to regulate the color development temperature and stability of the dye, to ensure the reversibility or irreversibility of color change.

[0006] As a further scheme of the present application, the shell is composed of solidified cross-linked epoxy resin polymer, which is used to protect the inner core dye from environmental interference such as humidity, light, chemicals, etc., and at the same time, the mechanical strength and temperature sensitivity of the material are enhanced.

[0007] As a further scheme of the present application, the heat-sensitive dye is encapsulated in several microns of microspheres through microencapsulation technology, which can accurately control the size and distribution of the microspheres, ensure the uniformity and stability of the heat-sensitive material, and improve the chemical stability and thermal stability of the material through microencapsulation, thereby prolonging the service life.

[0008] As a further scheme of the present application, the heat-sensitive material is added to the surface coating product in a certain proportion, and the screen printing technology is used to accurately coat the temperature-sensitive coating on each hole position, so that a highly customized temperature response effect can be achieved.

[0009] As a further scheme of the present application, the screen printing technology can coat the heat-sensitive dye on the aluminum alloy substrate in an accurate proportion and position, and by controlling the thickness and distribution of the coating, a highly sensitive response to temperature changes can be achieved. After coating the heat-sensitive material on the aluminum alloy substrate, the hole position displays red color when no sample is added, and the coating color changes to the original color of the aluminum alloy substrate due to temperature change or chemical reaction after the sample is added.

[0010] The microencapsulated temperature-sensitive coating test box based on the shell-core structure has the following beneficial effects:

[0011] 1. The shell and the inner core form a shell-core structure, which is similar to a "capsule". The inner core is the core part of the shell-core structure and is responsible for realizing temperature-sensitive color change. The shell is wrapped outside the inner core and has the function of protecting the inner core. The shell can effectively isolate the inner core from the external environment, protect the dye from oxidation or degradation, prolong the service life of the material, and enhance the sensitivity to temperature through heat conduction, so that the heat-sensitive dye in the inner core can quickly respond to temperature changes.

[0012] 2. The heat-sensitive dye is encapsulated in several microns of microspheres through microencapsulation technology, which can accurately control the size and distribution of the microspheres, ensure the uniformity and stability of the heat-sensitive material, and improve the chemical stability and thermal stability of the material through microencapsulation, thereby prolonging the service life.

[0013] 3. The screen printing technology can coat the heat-sensitive dye on the aluminum alloy substrate in an accurate proportion and position, and by controlling the thickness and distribution of the coating, a highly sensitive response to temperature changes can be achieved. After coating the heat-sensitive material on the aluminum alloy substrate, the hole position displays red color when no sample is added, and the coating color changes to the original color of the aluminum alloy substrate due to temperature change or chemical reaction after the sample is added. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The test box appearance view provided by the utility model;

[0015] Figure 2 The test box plan view provided by the utility model;

[0016] Figure 3 The test box section view provided by the utility model;

[0017] Figure 4 The test box appearance view provided by the utility model; Figure 3 Partial enlarged view.

[0018] In the figure: 1, test box; 2, shell; 3, hole position; 4, inner core. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the overall structure of the utility model, and its embodiments will be described below.

[0021] A kind of microencapsulation temperature-sensitive coating test box based on shell core structure, comprising: test box 1, the test box 1 includes shell 2, the top of the test box 1 is provided with hole site 3, the inside of the hole site 3 is inner core 4, the shell 2 and inner core 4 form shell core structure, this structure is similar to "capsule", inner core 4 is the core part of shell core structure, responsible for realizing temperature-sensitive color change, shell 2 is wrapped in the outside of inner core 4, with the effect of protecting inner core 4, shell 2 can effectively isolate inner core and external environment, protect dye from oxidation or degradation, prolong the service life of material, shell 2 enhances the sensitivity to temperature by heat conduction, so that heat-sensitive dye in inner core 4 can quickly respond to temperature change.

[0022] Further, the inner core 4 contains the mixture of color developing agent and stabilizer and the color developing agent is heat-sensitive dye, heat-sensitive dye will change color at a specific temperature, stabilizer is used to regulate the color developing temperature and stability of dye, to ensure the reversibility or irreversibility of color change.

[0023] In addition, the shell 2 is composed of solidified cross-linked epoxy resin polymer, for protecting inner core dye from environmental interference, while enhancing the mechanical strength and temperature sensitivity of material.

[0024] It should be noted that heat-sensitive dye is encapsulated in several microns of microspheres by microencapsulation technology, which can accurately control the size and distribution of microspheres, to ensure the uniformity and stability of heat-sensitive material, through microencapsulation, the chemical stability and thermal stability of material are improved, and the service life is prolonged.

[0025] And heat-sensitive material is added to surface coating product in a certain proportion, and temperature-sensitive coating is coated on each hole site 3 accurately by silk screen printing technology, which can realize highly customized temperature response effect.

[0026] Further, silk screen printing technology can coat heat-sensitive dye on aluminum alloy substrate in accurate proportion and position, by controlling the thickness and distribution of coating, highly sensitive response to temperature change can be realized, after coating this heat-sensitive material on aluminum alloy substrate, hole site shows red color (color developing state of heat-sensitive material) when no sample is added, after sample is added, coating color changes to original color of aluminum alloy substrate due to temperature change or chemical reaction.

[0027] Working principle: through microencapsulation technology, heat-sensitive dye is packaged in several microns of microspheres, ensuring the uniformity and stability of heat-sensitive materials, through microencapsulation, the chemical stability and thermal stability of the material are improved, the service life is prolonged, then the heat-sensitive material is added to the surface coating product in a certain proportion, and the temperature-sensitive coating is coated in each hole site 3 through screen printing technology, which can realize highly customized temperature response effect, using screen printing technology can coat heat-sensitive dye on aluminum alloy substrate in accurate proportion and position, by controlling the thickness and distribution of coating, highly sensitive response to temperature change can be realized, after coating this heat-sensitive material on the aluminum alloy substrate, the hole site shows red color when no sample is added, after adding sample, due to temperature change or chemical reaction, the coating color changes to the original color of the aluminum alloy substrate, the inner core contains a mixture of color developing agent and stabilizer, and the outer shell is composed of solidified cross-linked epoxy resin polymer, this structure not only can enhance the sensitivity of the material to the outside temperature, but also can effectively protect the dye from environmental interference, such as humidity, light and chemical corrosion.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A microencapsulated thermosensitive coating test cartridge based on shell-core structure, comprising: Test box (1), characterized in that: the test box (1) comprises a shell (2), the top of the test box (1) is provided with a hole position (3), the inside of the hole position (3) is an inner core (4), and the shell (2) and the inner core (4) form a shell-core structure.

2. The microencapsulated thermosensitive coating test kit based on shell-core structure according to claim 1, characterized in that, The inner core (4) contains a mixture of color developing agent and stabilizer, and the color developing agent is a heat-sensitive dye.

3. The microencapsulated thermosensitive coating test strip based on shell-core structure according to claim 1, characterized in that, The shell (2) is composed of a cured cross-linked epoxy resin polymer.

4. The microencapsulated thermosensitive coating test strip based on shell-core structure according to claim 1, characterized in that, The shell (2) is wrapped outside the inner core (4), and the shell (2) is used for protecting the inner core (4).

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