CN110922811B - Anti-counterfeiting ink, anti-counterfeiting mark and preparation method of anti-counterfeiting mark - Google Patents
Anti-counterfeiting ink, anti-counterfeiting mark and preparation method of anti-counterfeiting mark Download PDFInfo
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- CN110922811B CN110922811B CN201911009072.1A CN201911009072A CN110922811B CN 110922811 B CN110922811 B CN 110922811B CN 201911009072 A CN201911009072 A CN 201911009072A CN 110922811 B CN110922811 B CN 110922811B
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- counterfeiting
- ink
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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
- C09D11/50—Sympathetic, colour changing or similar inks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
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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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
Abstract
The invention relates to anti-counterfeiting ink, an anti-counterfeiting mark and a preparation method of the anti-counterfeiting mark. The anti-counterfeiting ink comprises, by mass, 10-30 parts of expanded graphite, 40-70 parts of a binder and 1-5 parts of a viscosity regulator. The anti-counterfeiting ink is low in cost and is used for the anti-counterfeiting mark, and the verification temperature of the anti-counterfeiting mark is low.
Description
Technical Field
The invention relates to the field of anti-counterfeiting materials, in particular to anti-counterfeiting ink, an anti-counterfeiting mark and a preparation method of the anti-counterfeiting mark.
Background
According to the traditional manufacturing method of the shape memory anti-counterfeiting mark, a material with raised pictures and texts is made into a planar material in an extrusion forming or injection molding mode, then the planar material is made into a thermosensitive three-dimensional anti-counterfeiting mark by printing, a consumer heats the anti-counterfeiting mark in a fire baking or boiling water scalding mode, when the temperature of the shape memory material reaches the vitrification temperature, the appearance of the shape memory material is restored to be provided with the raised pictures and texts, so that the anti-counterfeiting effect is achieved, however, the traditional anti-counterfeiting mark is high in manufacturing cost, high in verification temperature and inconvenient to verify, and cannot be popularized in a large area.
Disclosure of Invention
Based on this, there is a need to provide a low-cost security ink with low verification temperature.
In addition, the anti-counterfeiting mark and the preparation method of the anti-counterfeiting mark are also provided.
The anti-counterfeiting ink comprises, by mass, 10-30 parts of expanded graphite, 40-70 parts of a binder and 1-5 parts of a viscosity regulator.
In one embodiment, the viscosity modifier is selected from at least one of tung oil, linseed oil, soybean oil, aluminum salt, low viscosity alkyd resin having a viscosity of 350S to 550S, and paraffin oil.
In one embodiment, the expanded graphite has an expansion temperature greater than or equal to 50 ℃ and less than 100 ℃.
In one embodiment, the expanded graphite has an expanded volume of 50mL/g to 250mL/g.
In one embodiment, the particle size of the expanded graphite is 30nm to 50nm.
In one embodiment, the security ink is a flexographic ink.
The anti-counterfeiting mark comprises a substrate and an anti-counterfeiting ink layer stacked on the substrate, wherein the anti-counterfeiting ink layer is made of a material obtained by drying the anti-counterfeiting ink.
In one embodiment, the anti-counterfeiting ink further comprises a protective layer laminated on the side of the anti-counterfeiting ink layer away from the substrate.
A preparation method of an anti-counterfeiting mark comprises the following steps: printing anti-counterfeiting ink on a substrate, and then drying to form an anti-counterfeiting ink layer on the substrate, wherein the anti-counterfeiting ink comprises 10-30 parts by mass of expanded graphite, 40-70 parts by mass of a binder and 1-5 parts by mass of a viscosity regulator.
In one embodiment, the drying temperature is less than the expansion temperature of the expanded graphite.
In one embodiment, the step of printing the security ink on the substrate is offset printing.
In one embodiment, after the step of printing the anti-counterfeiting ink on the substrate and then drying the anti-counterfeiting ink to form the anti-counterfeiting ink layer on the substrate, the method further comprises the step of laminating a protective layer on the side of the anti-counterfeiting ink layer away from the substrate.
The anti-counterfeiting ink adopts the expanded graphite with lower cost as the shape memory material, and the connecting material and the viscosity regulator are added to form the anti-counterfeiting ink, the expansion temperature of the expanded graphite of the anti-counterfeiting ink is lower, when the anti-counterfeiting ink is used in the anti-counterfeiting mark, the volume of the expanded graphite expands when the temperature is higher than the expansion temperature, so that the volume of the ink is increased, the anti-counterfeiting mark generates obvious convex feeling, and the anti-counterfeiting mark has an anti-counterfeiting function. Therefore, the anti-counterfeiting ink is low in cost, and when the anti-counterfeiting ink is used in an anti-counterfeiting mark, the verification temperature of the anti-counterfeiting mark is low.
Drawings
Fig. 1 is a process flow diagram of a method for manufacturing an anti-counterfeit mark according to an embodiment.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description taken in conjunction with the accompanying drawings. Preferred embodiments of the present invention are given in the detailed description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
One embodiment of the security ink comprises expanded graphite, a binder and a viscosity modifier.
Specifically, the anti-counterfeiting ink comprises, by mass, 10-30 parts of expanded graphite, 40-70 parts of a binder and 1-5 parts of a viscosity regulator.
Wherein the expansion temperature of the expanded graphite is greater than or equal to 50 ℃ and less than 100 ℃. The expanded graphite may expand volumetrically when the temperature exceeds the expansion temperature value. The expanded graphite has low cost and low expansion temperature, and in the embodiment, the expanded graphite is obviously expanded in volume when being higher than the expansion temperature, so that the expanded graphite shows a certain shape and can be used for the anti-counterfeiting mark.
Further, the expanded graphite has an expanded volume of 50 to 250mL/g.
In some embodiments, the expanded graphite has a particle size of 30nm to 50nm. The particle size of the expanded graphite is set to the value, so that offset printing of the anti-counterfeiting ink is facilitated.
The binder can change the rheological property, viscosity, drying property, molding property, printing performance and the like of the ink. In this embodiment, the vehicle may be any of various flexographic ink vehicles commonly used in the art. For example, the binder may be an epoxy resin, a phenolic resin, an acrylic resin, or the like.
The viscosity regulator is at least one selected from tung oil, linseed oil, soybean oil, aluminum salt, low viscosity alkyd resin and paraffin oil. Wherein the viscosity of the low-viscosity alkyd resin is 350-550S. Specifically, the viscosity of the low-viscosity alkyd resin is 350S-550S at 25 ℃ by using a 4-cup coating viscometer. In this embodiment, the viscosity modifier can adjust the viscosity and rheological property of the forgery-preventing ink, so that the forgery-preventing ink can be applied to an offset printing process.
Further, the forgery prevention ink of the present embodiment is a flexographic ink. The anti-counterfeiting ink can be used as offset printing ink by selecting the expanded graphite, the connecting material and the viscosity regulator in a specific ratio.
The anti-counterfeiting ink at least has the following advantages:
the anti-counterfeiting ink adopts the expanded graphite with lower cost as the shape memory material, and the connecting material and the viscosity regulator are added to form the anti-counterfeiting ink, the expansion temperature of the expanded graphite of the anti-counterfeiting ink is lower, when the anti-counterfeiting ink is used in the anti-counterfeiting mark, the expanded graphite expands when the temperature is higher than the expansion temperature, so that the volume of the ink is increased, the anti-counterfeiting mark generates obvious convex feeling, and the anti-counterfeiting mark has an anti-counterfeiting function. Therefore, the anti-counterfeiting ink is low in cost, and when the anti-counterfeiting ink is used in an anti-counterfeiting mark, the verification temperature of the anti-counterfeiting mark is low.
A method for preparing the security ink of the above embodiment includes: weighing the following raw materials in parts by mass: 10 to 30 parts of expanded graphite, 40 to 70 parts of connecting material and 1 to 5 parts of viscosity modifier; and then stirring and mixing the raw materials to obtain the anti-counterfeiting ink. The preparation method of the anti-counterfeiting ink is simple in process and easy for batch preparation of the anti-counterfeiting ink.
The anti-counterfeiting mark of one embodiment comprises a substrate and an anti-counterfeiting ink layer laminated on the substrate.
Wherein, the base material is a material commonly used in the field of packaging and printing. Specifically, the substrate may be polyethylene terephthalate (PET), polyvinyl chloride (PVC), paper, or aluminum foil, or the like. The substrate can bear the anti-counterfeiting ink layer.
The material of the anti-counterfeiting ink layer comprises expanded graphite. Specifically, the anti-counterfeiting ink layer is made of a material obtained by drying the anti-counterfeiting ink. The anti-counterfeiting ink comprises, by mass, 10-30 parts of expanded graphite, 40-70 parts of a binder and 1-5 parts of a viscosity regulator.
Wherein the expansion temperature of the expanded graphite is greater than or equal to 50 ℃ and less than 100 ℃. The particle size of the expanded graphite is 30 nm-50 nm. The expanded volume of the expanded graphite is 50mL/g to 250mL/g.
The vehicle may be any of a variety of flexographic ink vehicles commonly used in the art. For example, the binder may be an epoxy resin, a phenolic resin, an acrylic resin, or the like.
The viscosity regulator is at least one selected from tung oil, linseed oil, soybean oil, aluminum salt, low viscosity alkyd resin and paraffin oil. Wherein the viscosity of the low-viscosity alkyd resin is 350-550S.
In some embodiments, the security device further comprises a protective layer. The protective layer is laminated on one side of the anti-counterfeiting ink layer, which is far away from the base material. The protective layer can protect the anti-fake printing ink layer, and the expanded graphite in the anti-fake printing ink layer is prevented from falling off in the friction process. In one embodiment, the material of the protective layer includes at least one of polypropylene (PP), PET, and PVC.
The anti-counterfeiting mark at least has the following advantages:
above-mentioned false proof mark includes anti-fake printing ink layer, substrate and protective layer, and the substrate can bear anti-fake printing ink layer, and the expandable graphite that the protective layer can protect in the anti-fake printing ink layer drops, and when false proof mark's temperature was higher than expandable graphite's expansion temperature, expandable graphite's volume inflation for false proof mark has convex sense, thereby makes false proof mark have anti-fake function.
When the anti-counterfeiting mark is used, the anti-counterfeiting mark is heated or rubbed, so that the temperature of the anti-counterfeiting ink layer is raised to be higher than the expansion temperature of the expanded graphite, the volume of the expanded graphite in the anti-counterfeiting mark expands, the anti-counterfeiting mark generates a convex sense, and the anti-counterfeiting function is further provided.
Referring to fig. 1, a method for preparing an anti-counterfeit mark according to an embodiment of the present invention is a method for preparing an anti-counterfeit mark according to the above embodiment, including the following steps:
step S110: printing anti-counterfeiting ink on a substrate, and then drying to form an anti-counterfeiting ink layer on the substrate, wherein the anti-counterfeiting ink comprises 10-30 parts by mass of expanded graphite, 40-70 parts by mass of a binder and 1-5 parts by mass of a viscosity regulator.
Specifically, the base material is a material commonly used in the field of package printing. Specifically, the substrate may be polyethylene terephthalate (PET), polyvinyl chloride (PVC), paper, or aluminum foil, or the like.
Wherein the expansion temperature of the expanded graphite is greater than or equal to 50 ℃. The particle size of the expanded graphite is 30 nm-50 nm. The expanded volume of the expanded graphite is 50mL/g to 250mL/g. In this embodiment, the vehicle may be any of various flexographic ink vehicles commonly used in the art. For example, the binder may be an epoxy resin, a phenolic resin, an acrylic resin, or the like. The viscosity regulator is at least one selected from tung oil, linseed oil, soybean oil, aluminum salt, low viscosity alkyd resin and paraffin oil. Wherein the viscosity of the low-viscosity alkyd resin is 350-550S.
Specifically, the anti-counterfeiting ink is offset ink. In one embodiment, the step of printing the security ink on the substrate is offset printing. It is understood that in other embodiments, other printing methods may be used in the step of printing the anti-counterfeiting ink on the substrate.
In step S110, the drying temperature is not higher than the expansion temperature of the expanded graphite. In one embodiment, the temperature of drying is 40 ℃ to 50 ℃. And (3) laminating the anti-counterfeiting ink on the substrate by drying to obtain the anti-counterfeiting ink layer.
Step S120: and laminating a protective layer on one side of the anti-counterfeiting ink layer, which is far away from the base material, so as to obtain the anti-counterfeiting mark.
Specifically, the material of the protective layer may be a protective material commonly used in the art. In one embodiment, the material of the protective layer includes at least one of PP, PET and PVC. The method of laminating the protective layer on the side of the anti-counterfeiting ink layer away from the substrate can be a method commonly used in the art, and is not described herein again.
The preparation method of the anti-counterfeiting mark at least has the following advantages:
(1) The preparation method of the anti-counterfeiting mark can prepare the anti-counterfeiting mark with an anti-counterfeiting function, low cost and low verification temperature.
(2) The preparation method of the anti-counterfeiting mark is simple in process and convenient for industrial production.
The following are specific examples:
example 1
The anti-counterfeiting ink comprises, by mass, 10 parts of expanded graphite (provided by Kangshuo welding materials, inc. in Qinghe county, model is KS-50, particle size is 30nm, and expansion temperature is 50 ℃, 40 parts of a binder (provided by Shaogoude Rui chemical industry, inc., and a light-colored ink binder, model is JC 1060)), and 1 part of a viscosity modifier (tung oil).
The preparation process of the anti-counterfeiting mark of the embodiment is as follows:
(1) The anti-counterfeiting ink is printed on a substrate by adopting an offset printing mode, and then is dried at 40 ℃ to form the anti-counterfeiting ink layer.
(2) And arranging a PP glue film protective layer on one side of the anti-counterfeiting ink layer, which is far away from the base material, so as to obtain the anti-counterfeiting mark.
The anti-counterfeiting mark obtained by the embodiment is close to a fire source, so that the temperature of the anti-counterfeiting ink layer is increased to more than 50 ℃. At the moment, the expanded graphite in the anti-counterfeiting ink layer expands, so that the volume of the expanded graphite is increased, and the anti-counterfeiting mark generates obvious convex feeling, thereby having the anti-counterfeiting function.
Example 2
The anti-counterfeiting ink comprises, by mass, 20 parts of expanded graphite (provided by Kangshuo welding materials, inc. in Qinghe county, model is KS-60, particle size is 40 nm, and expansion temperature is 60 ℃, 55 parts of a binder (provided by Tianjin Relisi ink materials, inc., offset printing ink binder, model is RLS-571)) and 2 parts of a viscosity modifier (a mixture of 1 part of linseed oil and 1 part of soybean oil).
The preparation process of the anti-counterfeiting mark of the embodiment is as follows:
(1) The anti-counterfeiting ink is printed on a substrate in an offset printing mode, and then is dried at 50 ℃ to form the anti-counterfeiting ink layer.
(2) And (5) laminating a PP glue film protective layer on one side of the anti-counterfeiting ink layer, which is far away from the base material, so as to obtain the anti-counterfeiting mark.
The anti-counterfeiting mark obtained in the embodiment is rubbed by using an eraser, so that the temperature of the anti-counterfeiting ink layer is raised to be more than 60 ℃. At the moment, the expanded graphite in the anti-counterfeiting ink layer expands, so that the volume of the expanded graphite is increased, and the anti-counterfeiting mark generates obvious convex feeling, thereby having the anti-counterfeiting function.
Example 3
The forgery-preventing ink of the embodiment includes, by mass, 30 parts of expanded graphite (provided by a processing plant of mountain and river minerals in Lingzhou county, model number KS-60, particle size 50nm, and expansion temperature 60 ℃,) 70 parts of a binder (provided by Shenzhen Jiuzcai Engineers company Limited for industry, model number DC3134 offset ink binder), and 5 parts of a viscosity modifier (a mixture of 4 parts of tung oil and 1 part of paraffin oil).
The preparation process of the anti-counterfeiting mark of the embodiment is specifically as follows:
(1) The anti-counterfeiting ink is printed on a substrate in an offset printing mode, and then is dried at 45 ℃ to form an anti-counterfeiting ink layer.
(2) And arranging a PP glue film protective layer on one side of the anti-counterfeiting ink layer, which is far away from the base material, so as to obtain the anti-counterfeiting mark.
The anti-counterfeiting mark obtained in the embodiment is rubbed by using an eraser, so that the temperature of the anti-counterfeiting ink layer is raised to be more than 60 ℃. At the moment, the expanded graphite in the anti-counterfeiting ink layer expands, so that the volume of the expanded graphite is increased, and the anti-counterfeiting mark generates obvious convex feeling, thereby having the anti-counterfeiting function.
Comparative example 1
The forgery prevention ink of comparative example 1 includes, in parts by mass, 4 parts of expanded graphite (supplied by qinghe county kangshuo welding materials, inc., model number is KS-50, particle size is 30nm, expansion temperature is 50 degrees celsius), 40 parts of a binder (supplied by shaogoude rui chemical industry, inc., model number is JC1060 light color ink binder), and 1 part of a viscosity modifier (tung oil).
The preparation process of the anti-counterfeiting mark of the comparative example 1 is as follows:
(1) The anti-counterfeiting ink is printed on a substrate in an offset printing mode, and then dried at 40 ℃ to form the anti-counterfeiting ink layer.
(2) And arranging a PP glue film protective layer on one side of the anti-counterfeiting ink layer, which is far away from the base material, so as to obtain the anti-counterfeiting mark.
And (3) enabling the anti-counterfeiting mark obtained in the comparative example 1 to be close to a fire source, and enabling the temperature of the anti-counterfeiting ink layer to rise to be higher than 50 ℃. At the moment, the expanded graphite in the anti-counterfeiting ink layer expands, but the expanded graphite content in the ink is low, so that the expansion effect is not obvious, and the anti-counterfeiting effect is not good.
Comparative example 2
The forgery prevention ink of comparative example 2 includes, in parts by mass, 50 parts of expanded graphite (supplied by qinghe county kangshuo welding materials, inc., model number is KS-50, particle size is 30nm, expansion temperature is 50 degrees celsius), 40 parts of a binder (supplied by shaogoude rui chemical industry, inc., model number is JC1060 light color ink binder), and 1 part of a viscosity modifier (tung oil).
The preparation process of the anti-counterfeiting mark of the comparative example 2 is as follows:
(1) The anti-counterfeiting ink is printed on a substrate in an offset printing mode, and then dried at 40 ℃ to form the anti-counterfeiting ink layer.
(2) And arranging a PP glue film protective layer on one side of the anti-counterfeiting ink layer, which is far away from the base material, so as to obtain the anti-counterfeiting mark.
And (3) enabling the anti-counterfeiting mark prepared in the comparative example 2 to be close to a fire source, and enabling the temperature of the anti-counterfeiting ink layer to rise to be higher than 50 ℃. At the moment, the expanded graphite in the anti-counterfeiting ink layer expands, but the anti-counterfeiting ink layer is easy to fall off due to the fact that the expanded graphite in the ink has high content and is excessively expanded.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed 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 should be subject to the appended claims.
Claims (7)
1. The anti-counterfeiting ink is characterized by comprising, by mass, 10-30 parts of expanded graphite, 40-70 parts of offset ink binder and 1-5 parts of viscosity modifier;
the viscosity regulator is at least one selected from tung oil, linseed oil, soybean oil, aluminum salt, low-viscosity alkyd resin and paraffin oil; the viscosity of the low-viscosity alkyd resin is 350-550S;
the expansion temperature of the expanded graphite is more than or equal to 50 ℃ and less than 100 ℃; the particle size of the expanded graphite is 30-50 nm;
the anti-counterfeiting ink is offset ink.
2. The security ink according to claim 1, wherein the expanded graphite has an expanded volume of 50 to 250mL/g.
3. The anti-counterfeiting mark is characterized by comprising a substrate and an anti-counterfeiting ink layer laminated on the substrate, wherein the anti-counterfeiting ink layer is made of the material obtained by drying the anti-counterfeiting ink according to the claim 1 or 2.
4. The identification according to claim 3, further comprising a protective layer laminated to the side of the anti-counterfeiting ink layer away from the substrate.
5. A preparation method of an anti-counterfeiting mark is characterized by comprising the following steps: printing anti-counterfeiting ink on a substrate, and drying to form an anti-counterfeiting ink layer on the substrate to obtain the anti-counterfeiting mark, wherein the anti-counterfeiting ink is the anti-counterfeiting ink according to claim 1 or 2.
6. The method for preparing the anti-counterfeiting mark according to claim 5, wherein the drying temperature is lower than the expansion temperature of the expanded graphite; and/or the like, and/or,
in the step of printing the anti-counterfeiting ink on the substrate, an offset printing mode is adopted.
7. The method for preparing a security mark according to claim 5 or 6, wherein after the step of printing the security ink on the substrate and then drying the security ink to form the security ink layer on the substrate, the method further comprises the step of laminating a protective layer on the side of the security ink layer away from the substrate.
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| CN107987615A (en) * | 2018-01-09 | 2018-05-04 | 永发印务(东莞)有限公司 | A kind of water-based stereo anti-fake color shifting ink of Quick Response Code |
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| EP3121027B1 (en) * | 2007-02-26 | 2018-06-13 | The Pilot Ink Co., Ltd. | Thermochromic writing instrument |
| CN105966094A (en) * | 2016-06-13 | 2016-09-28 | 王永国 | Anti-fake carbon belt and recycling device |
| CN108084786A (en) * | 2017-12-29 | 2018-05-29 | 成都新柯力化工科技有限公司 | A kind of intumescent microcapsules printing ink and preparation method thereof |
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| CN107987615A (en) * | 2018-01-09 | 2018-05-04 | 永发印务(东莞)有限公司 | A kind of water-based stereo anti-fake color shifting ink of Quick Response Code |
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