CN114958073A - Ultraviolet radiation indicating ink and ultraviolet radiation indicating device - Google Patents
Ultraviolet radiation indicating ink and ultraviolet radiation indicating device Download PDFInfo
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- CN114958073A CN114958073A CN202210528605.2A CN202210528605A CN114958073A CN 114958073 A CN114958073 A CN 114958073A CN 202210528605 A CN202210528605 A CN 202210528605A CN 114958073 A CN114958073 A CN 114958073A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- Life Sciences & Earth Sciences (AREA)
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- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to ultraviolet radiation indicating ink and an ultraviolet radiation indicating device, wherein the ultraviolet radiation indicating ink is prepared from the following raw materials in parts by mass: 20 to 40 parts of epoxy resin, 0.1 to 3 parts of ferrocene and 15 to 40 parts of organic solvent. The ultraviolet radiation indicating ink comprises epoxy resin and ferrocene components, wherein the epoxy resin has epoxy groups, ferrocene molecules have dicyclopentadiene structures, the epoxy groups in the epoxy resin can be opened under the irradiation of ultraviolet light, electrophilic substitution reaction is carried out on the epoxy groups and the cyclopentadiene structures, in the process, the color of the ultraviolet radiation indicating ink is changed from orange to brown, along with the increase of the reaction degree, the color of the ultraviolet radiation indicating ink is darker and darker, and the color depth of the ultraviolet radiation indicating ink can be used for indicating the accumulated ultraviolet radiation degree. In addition, the ultraviolet radiation indicating device comprises a substrate layer and an indicating layer, wherein the indicating layer comprises the ultraviolet radiation indicating ink.
Description
Technical Field
The invention relates to the technical field of ink, in particular to ultraviolet radiation indicating ink and an ultraviolet radiation indicating device.
Background
In hot summer, ultraviolet radiation is strong, and excessive ultraviolet radiation can harm human bodies, and at present, electronic instruments or ultraviolet photochromic ink are usually adopted to indicate the current ultraviolet light intensity, but an indicating device capable of indicating the accumulated ultraviolet radiation amount is lacked, so that people are reminded of whether the accumulated ultraviolet radiation amount is excessive or not.
Disclosure of Invention
Based on this, there is a need to provide an ultraviolet radiation indicating ink to solve the above problems.
The ultraviolet radiation indicating ink is prepared from the following raw materials in parts by weight:
20-40 parts of epoxy resin;
0.1 to 3 portions of ferrocene; and
15-40 parts of a solvent.
In one embodiment, the acrylic resin further comprises 5 to 15 parts of acrylic resin.
In one embodiment, the coating further comprises 0.1 to 0.5 parts of a defoaming agent.
In one embodiment, the composition further comprises 2 to 5 parts of an ultraviolet absorber or an ultraviolet shielding material.
In one embodiment, the ferrocene has a particle size of 5nm to 10 μm.
The ultraviolet radiation indicating ink simultaneously comprises epoxy resin and ferrocene components, wherein the epoxy resin has epoxy groups, ferrocene molecules have dicyclopentadiene structures, the epoxy groups in the epoxy resin can be subjected to ring opening under the irradiation of ultraviolet light, electrophilic substitution reaction is carried out on the epoxy groups and the cyclopentadiene structures of the ferrocene molecules to generate alkylated ferrocene, in the process, the color of the ultraviolet radiation ink is changed from orange to brown, the color of the indicating ink is darker and darker along with the increase of the reaction degree, and the color depth of the indicating ink can be used for indicating the accumulated ultraviolet radiation degree.
In addition, an ultraviolet radiation indicating device is also provided.
An ultraviolet radiation indicating device comprising:
a base layer made of a dense material; and
the indicating layer is arranged on the substrate layer in a stacked mode and comprises a color-changing area, and the color-changing area is formed by printing and drying the ultraviolet radiation indicating ink.
In one embodiment, the indicator layer further comprises a base material layer, the base material layer is arranged on the side, away from the base layer, of the indicator layer in a laminated mode, and the edge of the base material layer is connected with the base layer in a sealing mode.
In one embodiment, the base layer is further provided with an adhesive layer on a side thereof away from the base layer.
In one embodiment, a release layer is further disposed on a side of the adhesive layer away from the substrate layer.
In one embodiment, the indicator layer further comprises a reference region.
In one embodiment of the method of the present invention,
the ultraviolet radiation indicating ink comprises epoxy resin and ferrocene components, wherein the epoxy resin has epoxy groups, ferrocene molecules have dicyclopentadiene structures, the epoxy groups in the epoxy resin can be opened under the irradiation of ultraviolet light, electrophilic substitution reaction is carried out on the epoxy groups and the cyclopentadiene structures, in the process, the color of the ultraviolet radiation ink is changed from orange to brown, the color of the indicating ink is darker and darker along with the increase of the reaction degree, and the color of the indicating ink can be used for indicating the accumulated ultraviolet radiation degree.
Drawings
FIG. 1 is a schematic view of an embodiment of an ultraviolet radiation indicating device;
FIG. 2 is a schematic view of another embodiment of an ultraviolet radiation indicating apparatus;
FIG. 3 is a top view of the ultraviolet radiation indicating device shown in FIG. 2;
FIG. 4 is a schematic view of another embodiment of an ultraviolet radiation indicating device;
fig. 5 is a schematic view of another embodiment of an ultraviolet radiation indicating apparatus.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention can be embodied in many different forms than those herein described and many modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" or "in communication with" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "vertical", "horizontal", "left", "right" and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The ultraviolet radiation indicating ink and the ultraviolet radiation indicating apparatus are described in further detail below with reference to the drawings and the embodiments.
The ultraviolet radiation indicating ink of an embodiment is prepared from, by mass, 20 to 40 parts of an epoxy resin, 0.1 to 3 parts of ferrocene, and 15 to 40 parts of a solvent.
The epoxy resin plays two roles simultaneously in the ultraviolet radiation indicating ink, and on the first hand, the epoxy resin has good film forming property and is used for playing a role of a binder in the ultraviolet radiation indicating ink; in a second aspect, the ink functions as an ultraviolet activated reactive material in an ultraviolet radiation indicating ink. Specifically, the molecule of the epoxy resin contains more than two epoxy groups-CH (O) CH-, the groups have stronger reactivity, can be subjected to ring opening under ultraviolet irradiation, and can be subjected to electrophilic substitution reaction with cyclopentadiene (cyclopentadienyl ring) in ferrocene after ring opening, so that the cyclopentadienyl ring is alkylated, and the ultraviolet radiation indicating ink generates color change.
The ring opening degree of the epoxy groups is positively correlated with the radiation degree of the ultraviolet light, namely, the lower the radiation degree of the ultraviolet light is, the fewer the number of the epoxy groups generating ring opening in the epoxy resin is; conversely, the higher the degree of irradiation with ultraviolet light, the greater the number of epoxy groups that produce ring-opening in the epoxy resin.
Alternatively, the epoxy resin includes glycidyl ether type epoxy resin, glycidyl ester type epoxy resin, glycidyl amine type epoxy resin, linear aliphatic type epoxy resin, alicyclic type epoxy resin.
Further, the glycidyl ether type epoxy resins include bisphenol a type epoxy resins, novolac epoxy resins, aliphatic polyol glycidyl ether type epoxy resins, and other polyhydric phenol glycidyl ether type epoxy resins.
Preferably, the epoxy resin is bisphenol A epoxy resin, which is used as a common industrial raw material and has low cost.
Ferrocene, also known as dicyclopentadiene iron, is sublimable, chemically stable, has excellent acid, alkali and heat resistance, and strongly absorbs ultraviolet rays. Ferrocene acts simultaneously in ultraviolet radiation indicating inks: in a first aspect, ferrocene is orange and provides an initial color to the ultraviolet radiation indicating ink; and in the second aspect, the ferrocene plays a role in participating in a color change reaction, specifically, ferrocene sublimes to form gas molecules, and the ferrocene molecules can perform electrophilic substitution reaction with epoxy groups subjected to ring opening, so that cyclopentadienyl ring of the ferrocene is alkylated, and a stable brown product is generated. As the ultraviolet irradiation degree increases, the number of epoxy groups subjected to ring opening is increased, the number of products subjected to alkylation of ferrocene cyclopentadienyl rings is increased, and therefore, the color of the ultraviolet radiation indicating ink is gradually changed from orange to dark brown, and therefore, the shade of the color of the ultraviolet radiation indicating ink can be used for indicating the cumulative degree of the ultraviolet radiation.
Preferably, the particle size of the ferrocene is 5nm to 10 μm, which contributes to the improvement of printability of the ultraviolet radiation indicating ink.
Preferably, the particle size of the ferrocene is 5 nm-500 nm, under the condition of the same mass fraction, a smaller particle size range can obtain more particle quantity, and after the ferrocene particles are uniformly distributed in the ultraviolet radiation indicating ink, the ultraviolet radiation absorbing degree of the ultraviolet radiation indicating ink is improved.
And the organic solvent is used for dissolving the epoxy resin, so that the ultraviolet radiation indicating ink is in a colloidal state, and the ultraviolet radiation indicating ink has printability.
Alternative organic solvents include, but are not limited to: cyclohexanone, toluene cyclohexanone, chlorobenzene, dichlorobenzene, dichloromethane, methanol, ethanol, isopropanol, diethyl ether, propylene oxide, methyl acetate, ethyl acetate, propyl acetate, acetone, methyl butanone, methyl isobutyl ketone, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, acetonitrile, pyridine and phenol.
In another embodiment, the ultraviolet radiation indicating ink further comprises 5 parts to 15 parts of an acrylic resin.
The acrylic resin is used as a common binder, and is beneficial to improving the film forming property and the adhesive force of the ultraviolet radiation indicating ink by adding a proper amount of the acrylic resin.
In another embodiment, the ultraviolet radiation indicating ink further comprises from 0.1 parts to 0.5 parts of a defoamer.
Specifically, the defoaming agent is used for reducing the surface tension of the ultraviolet radiation indicating ink, preventing bubbles from being generated in the ultraviolet radiation indicating ink and further improving the printability.
Alternatively, anti-foaming agents include, but are not limited to: mineral oil, alcohols, fatty acid and fatty acid esters, amides, phosphates, silicones, polyethers and polyether modified polysiloxane antifoaming agents.
In another embodiment, the composition further comprises 0.5 to 2 parts of a dispersant.
The dispersant is used for improving the compatibility of the components in the same system, preventing ferrocene particles from precipitating and keeping the ultraviolet radiation indicating ink in a colloidal state.
In another embodiment, the ultraviolet radiation indicating ink further comprises 2 to 5 parts of an ultraviolet absorber or an ultraviolet shielding material, and the number of ring-opened epoxy groups of the epoxy resin can be reduced by adding the ultraviolet absorber or the ultraviolet shielding material, so that the indicating range of the ultraviolet radiation indicating ink can be adjusted.
Alternatively, ultraviolet light absorbers include, but are not limited to: salicylate ultraviolet absorbers, benzophenone ultraviolet absorbers, benzotriazole ultraviolet absorbers, substituted acrylonitrile ultraviolet absorbers, triazine ultraviolet absorbers and hindered amine ultraviolet absorbers.
Optionally, the uv-shielding material includes, but is not limited to: titanium dioxide, talcum powder, argil powder, zinc oxide and carbon black.
The ultraviolet radiation indicating ink comprises epoxy resin and ferrocene components, wherein the epoxy resin has epoxy groups, ferrocene molecules have dicyclopentadiene structures, the epoxy groups in the epoxy resin can be opened under the irradiation of ultraviolet light and generate electrophilic substitution reaction with the cyclopentadiene structures, in the process, the color of the ultraviolet radiation indicating ink is changed from orange to brown, along with the increase of the reaction degree, the color of the ultraviolet radiation indicating ink is darker and darker, and the color depth of the ultraviolet radiation indicating ink can be used for indicating the accumulated ultraviolet radiation degree.
Referring to fig. 1, an embodiment of an ultraviolet radiation indicating device includes a substrate layer 10 and an indicating layer 20.
A substrate layer 10 for carrying an indicator layer 20. Alternatively, materials for making the substrate layer 10 include, but are not limited to: paper, PET film, PVC film, PP film, and aluminum foil.
Preferably, the base layer 10 is made of a dense material, so as to prevent diffusion of ferrocene gas molecules out through the base layer 10.
And an indication layer 20 laminated on the base layer 10 for indicating the cumulative irradiation degree of the ultraviolet light.
Specifically, the indicator layer 20 includes a color shifting region 21, and the color shifting region 21 is printed with any of the ultraviolet radiation indicating inks described above.
In another embodiment, referring to fig. 2 and 3, the indication layer 20 further includes a reference region 22, the reference region 22 is disposed around the color-changing region 21, the reference region 22 is printed by common ink, the color of the reference region 22 corresponds to the color of the color-changing region 21 under different irradiation levels, in the illustrated embodiment, the reference region 22 further includes a starting color 221, an intermediate color 222, and an end color 223, in the illustrated embodiment, the starting color 221 is orange, the intermediate color 222 is light brown, and the end color 223 is dark brown, and when the color of the color-changing region 21 approaches the starting color 221, it is indicated that the color-changing region 21 is in a safe state with a small cumulative amount of ultraviolet radiation; when the color of the color-shifting region 21 is close to the neutral color 222, indicating that the cumulative ultraviolet radiation to which the color-shifting region 21 is subjected is relatively high, care should be taken to prevent sun exposure; when the color of the color-changing region 21 approaches the end color 223, indicating that the cumulative amount of ultraviolet radiation received by the color-changing region 21 exceeds the threshold, the sunscreen should be terminated immediately. Therefore, the user can intuitively judge the current cumulative degree of the ultraviolet radiation by comparing the colors of the reference region 22 and the discoloring region 21.
In another embodiment, referring to fig. 4, the ultraviolet radiation indicating device further includes a substrate layer 30, the substrate layer 30 is stacked on one side of the indicating layer 20 away from the base layer 10, the substrate layer 30 is made of a dense material, and an edge of the substrate layer 30 is hermetically connected to the base layer 10, so that an accommodating space is formed between the base layer 10 and the substrate layer 30, and the accommodating space is used for accommodating the indicating layer 20. By providing the substrate layer 30, the ferrocene molecules are prevented from escaping to the outside prior to activation.
Preferably, the base material layer 30 is made of an opaque material, and by using the opaque material, it is possible to prevent ultraviolet rays from being irradiated to the color-changing region 21, so that the color-changing region 21 maintains the original color. Therefore, the ultraviolet radiation indicating device is in a dormant state before being activated, and the substrate layer 30 can be peeled off when the ultraviolet radiation indicating device is used.
Alternatively, materials for preparing the substrate layer 30 include, but are not limited to: PET film, PVC film, PP film and aluminum foil.
In another embodiment, referring to fig. 5, an adhesive layer 40 is further disposed on a side of the base layer 10 away from the substrate layer 30, and the adhesive layer 40 is used for adhering the ultraviolet radiation indicator to the surface of the object.
Preferably, the adhesive layer 40 is made of a material that meets medical standards so that the ultraviolet radiation indicating device can be directly attached to the skin of a person by the adhesive layer 40.
In the embodiment shown in fig. 5, a release layer 50 is further disposed on a side of the adhesive layer 40 away from the base layer 10, and the release layer 50 is used for protecting the adhesive layer 40.
In the ultraviolet radiation indicating ink, the color-changing area 21 is formed by printing the ultraviolet radiation indicating ink, the ultraviolet radiation indicating ink comprises epoxy resin and ferrocene components, wherein the epoxy resin has epoxy groups, ferrocene molecules have a dicyclopentadiene structure, the epoxy groups in the epoxy resin can be opened under the irradiation of ultraviolet light and generate electrophilic substitution reaction with the cyclopentadiene structure, in the process, the color of the ultraviolet radiation indicating ink is changed from orange to brown, the color of the ultraviolet radiation indicating ink is darker and darker along with the increase of the reaction degree, and the shade of the color can be used for indicating the accumulated ultraviolet radiation degree.
Specific examples are as follows.
Example 1
The embodiment provides an ultraviolet radiation indicating ink, which is prepared from the following raw materials in parts by weight: 20 parts of epoxy resin, 0.1 part of ferrocene, and 15 parts of organic solvent. In this example, the epoxy resin is bisphenol a epoxy resin, the particle size of ferrocene is 5nm, and the organic solvent is ethanol.
The ultraviolet radiation indicating ink comprises epoxy resin and ferrocene components, wherein the epoxy resin has epoxy groups, ferrocene molecules have dicyclopentadiene structures, the epoxy groups in the epoxy resin can be opened under the irradiation of ultraviolet light, electrophilic substitution reaction is carried out on the epoxy groups and the cyclopentadiene structures, in the process, the color of the ultraviolet radiation indicating ink changes from orange to brown, the color of the ultraviolet radiation indicating ink is darker and darker along with the increase of the reaction degree, and the shade of the color can be used for indicating the accumulated ultraviolet radiation degree.
In addition, referring to fig. 1, the present embodiment further provides an ultraviolet radiation indicating apparatus, which includes a substrate layer 10 and an indicating layer 20. The indicating layer 20 is disposed on the substrate layer 10 in a stacked manner, in this embodiment, the indicating layer 20 only includes the color-changing region 21, and the color-changing region 21 is formed by printing and drying the ultraviolet radiation indicating ink provided in this embodiment.
In the ultraviolet radiation indicating ink, the color-changing region 21 is formed by printing the ultraviolet radiation indicating ink, the ultraviolet radiation indicating ink comprises epoxy resin and ferrocene components, wherein the epoxy resin has epoxy groups, ferrocene molecules have a dicyclopentadiene structure, the epoxy groups in the epoxy resin can be opened under the irradiation of ultraviolet light and have electrophilic substitution reaction with the cyclopentadiene structure, in the process, the color of the ultraviolet radiation indicating ink is changed from orange to brown, along with the increase of the reaction degree, the color of the ultraviolet radiation indicating ink is darker and darker, and the shade of the color can be used for indicating the accumulated ultraviolet radiation degree.
Example 2
The present example provides an ultraviolet radiation indicating ink similar to that provided in example 1, except that: (1) the epoxy resin is 25 parts by mass and is novolac epoxy resin; (2) 1 part of ferrocene by mass, and the particle size of the ferrocene is 500 nm; (3) the mass portion of the organic solvent is 25 parts, and the organic solvent is isopropanol.
In addition, referring to fig. 2 and fig. 3, the present embodiment further provides an ultraviolet radiation indicating device, which is similar to the ultraviolet radiation indicating device provided in embodiment 1, except that: the indication layer 20 comprises the color-changing region 21 and the reference region 22, the reference region 22 further comprises a starting color 221, an intermediate color 222 and an end color 223, the starting color 221 is orange, the intermediate color 222 is light brown, and the end color 223 is dark brown, when the color of the color-changing region 21 is close to the starting color 221, the accumulated ultraviolet radiation amount received by the color-changing region 21 is less, and the color-changing region is in a safe state; when the color of the color-shifting region 21 is close to the neutral color 222, indicating that the cumulative ultraviolet radiation to which the color-shifting region 21 is subjected is relatively high, care should be taken to prevent sun exposure; when the color of the color-changing region 21 approaches the end color 223, it indicates that the cumulative amount of uv radiation received by the color-changing region 21 exceeds the standard, and the sunscreen should be terminated immediately. Therefore, the user can intuitively judge the current cumulative degree of the ultraviolet radiation by comparing the colors of the reference region 22 and the discoloring region 21.
Example 3
The present example provides an ultraviolet radiation indicating ink similar to that provided in example 2, except that: (1) the epoxy resin is 35 parts by mass and is aliphatic polyhydric alcohol glycidyl ether type epoxy resin; (2) the mass portion of the ferrocene is 2 portions, and the particle size is 3 mu m; (3) the mass portion of the organic solvent is 35 parts, and the organic solvent is acetone; (4) 2 parts of titanium dioxide serving as an ultraviolet shielding material.
By adding the ultraviolet shielding material, the number of open rings of epoxy groups of the epoxy resin can be reduced, and the indication range of the ultraviolet radiation indication ink can be adjusted.
In addition, referring to fig. 4, the present embodiment further provides an ultraviolet radiation indicating device, which is similar to the ultraviolet radiation indicating device provided in embodiment 3, except that: a substrate layer 30 is further disposed above the indication layer 20, and the substrate layer 30 is made of an opaque PET film.
By providing the substrate layer 30, on the one hand, ferrocene molecules are prevented from escaping to the outside before activation. On the other hand, the discoloration area 21 may be prevented from being irradiated with ultraviolet rays, so that the discoloration area 21 maintains the original color. Thus, the ultraviolet radiation indicating device is in a dormant state before being activated, and the substrate layer 30 can be peeled off when the ultraviolet radiation indicating device is used.
Example 4
The present example provides an ultraviolet radiation indicating ink similar to that provided in example 2, except that: (1) 40 parts of epoxy resin and 3 parts of ferrocene, wherein the grain diameter of the epoxy resin is 10 mu m; (3) the organic solvent is 40 parts by weight, and the organic solvent is methyl acetate.
In addition, referring to fig. 4, the present embodiment further provides an ultraviolet radiation indicating device, which is similar to the ultraviolet radiation indicating device provided in embodiment 3, except that: the base layer 10 is further provided with an adhesive layer 40 and a release layer 50 on the side away from the base layer 30.
By arranging the adhesive layer 40, the ultraviolet radiation indicating device can be conveniently pasted on the surface of an object, and the release layer 50 is used for protecting the adhesive layer 40.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The ultraviolet radiation indicating ink is characterized by comprising the following raw materials in parts by mass:
20-40 parts of epoxy resin;
0.1 to 3 portions of ferrocene; and
15-40 parts of organic solvent.
2. The ultraviolet radiation indicating ink of claim 1, further comprising 5 to 15 parts of an acrylic resin.
3. The ultraviolet radiation indicating ink of claim 2, further comprising from 0.1 parts to 0.5 parts of a defoaming agent.
4. The ultraviolet radiation indicating ink of claim 3, further comprising 2 to 5 parts of an ultraviolet absorber or an ultraviolet shielding material.
5. The ultraviolet radiation indicating ink of claim 4, wherein the ferrocene has a particle size of 5nm to 10 μm.
6. An ultraviolet radiation indicating device, comprising:
a base layer made of a dense material; and
an indicating layer disposed on the substrate layer in a stacked manner, the indicating layer including a color-changing region printed and dried by the ultraviolet radiation indicating ink according to any one of claims 1 to 6.
7. The ultraviolet radiation indicating device of claim 6, further comprising a substrate layer, wherein the substrate layer is laminated on a side of the indicating layer away from the base layer, and an edge of the substrate layer is hermetically connected with the base layer.
8. The ultraviolet radiation indicating device of claim 7 wherein the base layer is further provided with an adhesive layer on a side thereof remote from the substrate layer.
9. The ultraviolet radiation indicating device of claim 8, wherein a release layer is further disposed on a side of the adhesive layer remote from the substrate layer.
10. The ultraviolet radiation indicating device of claim 6, wherein the indicating layer further comprises a reference region.
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| CN114958073B (en) | 2023-03-24 |
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