CN215321233U

CN215321233U - Injection molding that can temperature sensing discolour

Info

Publication number: CN215321233U
Application number: CN202121135842.XU
Authority: CN
Inventors: 赵峰
Original assignee: Dongguan Imr Technology Co ltd
Current assignee: Alma Technology Co.,Ltd.
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-28
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a thermochromic injection molding piece which comprises a base mold layer, a temperature change layer, a base color layer, a bonding layer and a plastic layer, wherein the base mold layer is arranged on the upper surface of the temperature change layer, the base color layer is arranged on the lower surface of the temperature change layer, and the plastic layer and the base color layer are bonded through the bonding layer. The injection molding part capable of changing color with temperature sensing can be adhered to the plastic layer through the jointing layer after the base mold layer, the temperature change layer, the bottom color layer and the jointing layer are printed and molded, so that the surface of the injection molding part utilizing the structure has a temperature sensing effect, the surface color of the injection molding part can change along with the change of temperature, the effect of reminding abnormal temperature can be achieved, and a certain decoration effect can be achieved.

Description

Injection molding that can temperature sensing discolour

Technical Field

The utility model relates to the technical field of injection molding piece color development, in particular to a thermochromic injection molding piece.

Background

Injection molding is a very important molding mode in the existing manufacturing industry, at present, more and more daily necessities are used for injection molding products, the color and pattern of the existing injection molding part are changed only, the personalized design is lacked, and the change of the color and pattern cannot be changed along with the change of temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thermochromic injection molding piece, wherein the surface of the thermochromic injection molding piece has a temperature sensing effect, the surface color can change along with the change of temperature, the temperature anomaly reminding function can be realized, and a certain decorative function can be realized.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a but thermochromic injection molding, includes base mould layer, temperature change layer, end chromatograph, tie layer and plastic layer, the base mould layer sets up the upper surface on temperature change layer, end the chromatograph sets up the lower surface on temperature change layer, the plastic layer passes through with end the color layer the tie layer bonds.

In one embodiment, the temperature change layer is prepared by mixing temperature change powder and resin.

In one embodiment, the temperature-change layer comprises one or more of a reversible thermosensitive decoloring ink, a reversible thermosensitive coloring ink, a memory-type thermosensitive ink, or an interval-coloring ink.

In one embodiment, the temperature range of the temperature change layer is 18 ℃ to 65 ℃.

In one embodiment, the base color layer is comprised of one or more of a resin, a pigment, a filler, an adjuvant, or a solvent.

In one embodiment, the base mold layer is a PET transparent film or a PC transparent film.

In one embodiment, the plastic layer is formed by injection molding.

In one embodiment, a protective layer is further included, the protective layer being disposed between the base color layer and the bonding layer.

In one embodiment, the protective layer is formed by curing UV gloss oil and PU gloss oil.

The injection molding part capable of changing color with temperature sensing can be adhered to the plastic layer through the jointing layer after the base mold layer, the temperature change layer, the bottom color layer and the jointing layer are printed and molded, so that the surface of the injection molding part utilizing the structure has a temperature sensing effect, the surface color of the injection molding part can change along with the change of temperature, the effect of reminding abnormal temperature can be achieved, and a certain decoration effect can be achieved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

1. a base mold layer; 2. a temperature-change layer; 3. a ground color layer; 4. a protective layer; 5. a bonding layer; 6. a plastic layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a thermochromic injection molded part is provided, which includes a base mold layer 1, a temperature change layer 2, a ground color layer 3, a bonding layer 5 and a plastic layer 6, wherein the base mold layer 1 is disposed on an upper surface of the temperature change layer 2, the ground color layer 3 is disposed on a lower surface of the temperature change layer 2, and the plastic layer 6 and the ground color layer 3 are bonded through the bonding layer 5.

The temperature change layer 2, the ground color layer 3 and the junction layer 5 can be sequentially printed on the basic die layer 1 through processes of silk screen or intaglio printing, relief printing and the like, the printed basic die layer is placed into an oven to be cured and baked by chemical solvents after being printed every time, after all printing is completed, the base material with the required shape can be obtained through modes of hot pressing die, punching die forming and the like, and then the base material is bonded with the plastic layer 6 through the junction layer 5 to be cured on the plastic layer 6.

Specifically, the temperature change layer 2 is prepared by mixing temperature change powder and resin. The temperature change powder has no irritation to skin, does not contain harmful substances to human body oil, and meets the national safety standard.

The temperature change layer 2 comprises one or more of reversible thermosensitive decoloring ink, reversible thermosensitive coloring ink, memory type thermosensitive ink or interval coloring ink. The thermal oil is special ink capable of changing color along with temperature change and is divided into 5 series of reversible decoloration, reversible color development and reversible color change, and the memory type and interval color development, wherein the original characteristic of the reversible thermal decoloration ink is that the color disappears after the color is heated, and the original color can be recovered after the temperature is reduced; the reversible thermosensitive coloring ink has the characteristics of colorless appearance, color display after heating and color disappearance after cooling; the reversible thermosensitive color-changing ink has the characteristics that the original color is changed into another color after being heated, and the original color can be restored after being cooled; the memory type thermal ink is colorless in appearance, is colored when heated to a certain temperature, is not decolored after being cooled, and is decolored when heated to the same temperature for the second time. Can be recycled and is reversible printing ink; the interval color developing ink is characterized in that the ink is colorless in a low-temperature area or a high-temperature area, develops color only in a temperature range of 33-47 ℃, and is reversible ink.

In one embodiment, the temperature range of the temperature change layer 2 is 18 ℃ to 65 ℃, and if the temperature change layer 2 is the interval color developing ink, the temperature range of the temperature change layer is 33 ℃ to 47 ℃.

Specifically, the base color layer 3 is composed of one or more of resin, pigment, filler, auxiliary agent or solvent; the base mold layer 1 is a PET transparent film or a PC transparent film.

Specifically, the plastic layer 6 is formed by injection molding. After the temperature change layer 2, the ground color layer 3 and the jointing layer 5 are made into a base material with a required shape, the base material can be placed into an injection mold for injection molding, and in the injection molding process, the plastic layer 6 is adhered to the jointing layer 5 of the base material.

Specifically, the jointing layer is composed of a main agent and an auxiliary agent, wherein the main agent is a main material, a base material or a binding material; the auxiliary agents comprise curing agents, diluents, plasticizers, fillers, coupling agents, initiators, thickeners, anti-aging agents, polymerization inhibitors, stabilizers, complexing agents, emulsifiers and the like, and can also comprise flame retardants, foaming agents, antifoaming agents, colorants, mildewproof agents and the like according to requirements and purposes.

In one embodiment, a protective layer 4 is further included, the protective layer 4 being disposed between the base color layer 3 and the bonding layer 5. The protective layer 4 is formed by curing UV gloss oil and PU gloss oil, specifically, the protective layer 4 can prevent ink in the temperature change layer 2 and the ground color layer 3 which are printed when glue is fed at high temperature from being washed away, wherein the thicker the printing, the larger the protective effect is.

The injection molding part capable of changing color with temperature sensing can be adhered to the plastic layer 6 through the jointing layer 5 after the base mold layer 1, the temperature change layer 2, the ground color layer 3 and the jointing layer 5 are printed and molded, so that the surface of the injection molding part utilizing the structure has a temperature sensing effect, the surface color of the injection molding part can change along with the change of temperature, the effect of reminding abnormal temperature can be achieved, and a certain decoration effect can be achieved.

The foregoing examples, which represent several preferred embodiments of the present invention and are described in considerable detail with the understanding that the present disclosure is not limited to the forms disclosed herein and is not to be considered as exhaustive of other examples, but is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, either by the above teachings or by the skill or knowledge of the relevant art, and is therefore not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and those skilled in the art can make modifications and variations without departing from the spirit and scope of the present invention, which falls within the protection scope of the appended claims. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a but thermochromic injection molding, its characterized in that, includes base mould layer, temperature change layer, end chromatograph, tie layer and plastic layer, the base mould layer sets up the upper surface on temperature change layer, end the chromatograph sets up the lower surface on temperature change layer, the plastic layer passes through with the base colour layer the tie layer bonding.

2. The thermochromic injection molded part of claim 1, wherein the temperature-sensitive layer is prepared by mixing and blending a temperature-sensitive powder and a resin.

3. The thermochromic injection molded part of claim 1, wherein the temperature-changing layer comprises one or more of a reversible thermochromic decolorizing ink, a reversible thermochromic developing ink, a reversible thermochromic ink, a memory-type thermochromic ink, or a zone-developing ink.

4. The thermochromic injection molded part of claim 1, wherein the temperature-changing layer changes in a temperature range of 18 ℃ to 65 ℃.

5. The thermochromic injection molded part of claim 1, wherein the primer layer is comprised of one or more of a resin, a pigment, a filler, an aid, or a solvent.

6. The thermochromic injection molded part of claim 1, wherein the base mold layer is a PET transparent film or a PC transparent film.

7. The thermochromic injection molded part of claim 1, wherein the plastic layer is injection molded.

8. The thermochromic injection molded part of any of claims 1-7, further comprising a protective layer disposed between the base color layer and the bonding layer.

9. The thermochromic injection molded part of claim 8, wherein the protective layer is formed by curing UV gloss oil and PU gloss oil.