CN103694798A - Reversible pressure-sensitive-discoloration anti-counterfeiting ink and preparation method thereof - Google Patents
Reversible pressure-sensitive-discoloration anti-counterfeiting ink and preparation method thereof Download PDFInfo
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- CN103694798A CN103694798A CN201310658921.2A CN201310658921A CN103694798A CN 103694798 A CN103694798 A CN 103694798A CN 201310658921 A CN201310658921 A CN 201310658921A CN 103694798 A CN103694798 A CN 103694798A
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Abstract
The invention relates to the technical field of anti-counterfeiting ink and particularly relates to reversible pressure-sensitive-discoloration anti-counterfeiting ink and a preparation method thereof. The anti-counterfeiting ink disclosed by the invention contains the following ingredients in parts by weight: 11.64-12.6 parts of 1/4-second nitro-cotton, 7.76-8.4 parts of polyamide resin, 29.1-31.5 parts of reversible pressure-sensitive-discoloration capsule powder, 29.1-31.5 parts of n-propyl acetate, 19.4-21 parts of isopropanol, 0.19-0.21 part of leveling agent and 0.19-0.21 part of defoamer. Compared with the prior art, the reversible pressure-sensitive-discoloration anti-counterfeiting ink disclosed by the invention is in reversible color development, and a face printed with the ink is white; when the face is scratched by a nail, the face shows blue and returns to white a few seconds later, so that the ink can be repeatedly used; the principle of color restoration is as follows: achromatic restoration is achieved after substance molecules in capsule cores are re-crystallized, and the speed of re-crystallization is the speed of color restoration.
Description
Technical field
The present invention relates to the technical field of anti-forgery ink, particularly a kind of reversible pressure-sensitive color varying counterfeit-proof ink and preparation method thereof.
Background technology
So-called anti-forgery ink adds the anti-fake material of property, the specialty printing ink processing through special process in ink raw materials.This specialty printing ink is mainly imprinted in ticket, product brand and packing in the mode of printing.The most of false proof feature of anti-forgery ink is to allow the public under the condition of the very first time, the first occasion, true and false with regard to distinguishing, and also claims that a line is false proof.Pressure-sensitive color varying counterfeit-proof ink is a kind of in anti-forgery ink, and still, current pressure-sensitive color varying counterfeit-proof ink exists following defect:
The colour developing of pressure-sensitive color varying counterfeit-proof ink is irreversible, cannot Reusability.
Summary of the invention
The object of the invention is to provide a kind of reversible pressure-sensitive color varying counterfeit-proof ink, to solve the colour developing of pressure-sensitive color varying counterfeit-proof ink of the prior art, is irreversible, technical matters that cannot Reusability.
Another object of the present invention is to provide the preparation method of above-mentioned reversible pressure-sensitive color varying counterfeit-proof ink, is irreversible to solve the colour developing of pressure-sensitive color varying counterfeit-proof ink of the prior art, technical matters that cannot Reusability.
The object of the invention is achieved through the following technical solutions:
A reversible pressure-sensitive color varying counterfeit-proof ink, its raw material by weight, comprises following component:
1/4 second nitro-cotton 11.64-12.6 part;
Polyamide resin 7.76-8.4 part;
Reversible pressure-sensitive variable color capsule powder 29.1-31.5 part;
N-propyl acetate 29.1-31.5 part;
Virahol 19.4-21 part;
Flow agent 0.19-0.21 part;
Defoamer 0.19-0.21 part.
Preferably, comprise the following component in weight part:
Within 1/4 second, nitro-cotton is 12 parts;
8 parts of polyamide resins;
30 parts, reversible pressure-sensitive variable color capsule powder;
30 parts of n-propyl acetates;
20 parts of Virahols;
0.2 part of flow agent;
0.2 part of defoamer; Ink is made by the raw material of this component proportion, and its conjunctiva fastness is good.
Preferably, described flow agent is selected from the wherein a kind of of BYK-VP330, DynoaddF-101 or DynoaddF-709.BYK-VP330 is purchased from Tai Er chemical company limited; DynoaddF-101, DynoaddF-709 are purchased from Tai Er chemical industry.
Preferably, reversible pressure-sensitive variable color capsule powder is purchased from the Shanghai false proof development in science and technology of ancient cooking vessel woods company limited.
Preferably, described defoamer is selected from the wherein a kind of of BYK-052, BYK-080 or BYK-141.BYK-052, BYK-080 and BYK-141 are purchased from the domestic shipping agency of BYK.
In anti-forgery ink of the present invention, the effect of 1/4 second nitro-cotton is the carrier as pigment; Polyamide resin can improve conjunctiva performance, improves transitivity, also can increase conjunctiva fastness; Reversible pressure-sensitive variable color capsule powder is to play antiforge function; The effect of n-propyl acetate is for dissolving polyamide resin; The effect of Virahol is as thinner, can reduce viscosity, improves evaporation rate.
The preparation method of above-mentioned reversible pressure-sensitive color varying counterfeit-proof ink, comprises the following steps:
(1) 1/4 second nitro-cotton adds stirring and dissolving in the mixed solution of Virahol, n-propyl acetate, then adds polyamide resin, flow agent and defoamer;
(2) with the stirring velocity of 150-200 rev/min be stirred to polyamide resin fully wetting after, stirring velocity is increased to 500-600 rev/min, treat that polyamide resin dissolves completely, stirring velocity is down to 250-350 rev/min, by decrement method, add reversible pressure-sensitive variable color capsule powder, stirring velocity is increased to 500-600 rev/min, until be uniformly dispersed;
(3) adjust three-roller front and back roller pressure, make it not destroy capsule and be limited, the capsule powder that makes said mixture be depressed into state of aggregation at three-roller central roll obtains finely divided;
(4) stir 10-20 minute, speed control is 300-350 rev/min, detects metering packing by normal quality; Wherein, the proportioning of each feed composition is identical with the proportioning of the proportioning of each feed composition in claim 1.
Compared with prior art, the present invention has following beneficial effect:
Reversible pressure-sensitive color varying counterfeit-proof ink of the present invention is reversible colour developing, and its printing surface is white, with nail, streaks and presents blueness, returns white after spending the several seconds, can Reusability; The principle of color recovery is: after the material molecule recrystallization in capsule-core, reach colour killing and restore, the speed of recrystallization is the speed of color recovery.
Embodiment
Below, by specific specific examples explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification sheets.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Notice, below in embodiment concrete not dated processing unit or device all adopt conventional equipment or the device in this area.
In addition should be understood that one or more method stepss of mentioning in the present invention do not repel between the step that can also have additive method step or clearly mention at these before and after described combination step can also insert additive method step, except as otherwise noted.And, except as otherwise noted, the numbering of various method steps is only for differentiating the convenient tool of various method steps, but not for limiting the ordering of various method steps or limiting the enforceable scope of the present invention, the change of its relativeness or adjustment, without essence change technology contents in the situation that, when being also considered as the enforceable category of the present invention.
Embodiment 1
The composition of raw materials of reversible pressure-sensitive color varying counterfeit-proof ink is as follows:
Within 1/4 second, nitro-cotton is 11.64 parts;
7.76 parts of polyamide resins;
31.5 parts, reversible pressure-sensitive variable color capsule powder;
29.1 parts of n-propyl acetates;
21 parts of Virahols;
0.21 part of flow agent;
0.19 part of defoamer.
Prepare as follows reversible pressure-sensitive color varying counterfeit-proof ink:
(1) 1/4 second nitro-cotton adds stirring and dissolving in the mixed solution of Virahol, n-propyl acetate, then adds polyamide resin, flow agent and defoamer;
(2) with the stirring velocity of 150 revs/min be stirred to polyamide resin fully wetting after, stirring velocity is increased to 500 revs/min, treat that polyamide resin dissolves completely, stirring velocity is down to 250 revs/min, by decrement method, add reversible pressure-sensitive variable color capsule powder, stirring velocity is increased to 500 revs/min, until be uniformly dispersed;
(3) adjust three-roller front and back roller pressure, make it not destroy capsule and be limited, the capsule powder that makes said mixture be depressed into state of aggregation at three-roller central roll obtains finely divided;
(4) stir 10 minutes, speed control is 350 revs/min, detects metering packing by normal quality.
According to the GB/T13217.7-2009[liquid ink attachment fastness method of inspection] the reversible pressure-sensitive color varying counterfeit-proof ink of embodiment 1 preparation is detected, its attachment fastness is 95%, similar to same colour system usual vehicle type ink.
Embodiment 2
The composition of raw materials of reversible pressure-sensitive color varying counterfeit-proof ink is as follows:
Within 1/4 second, nitro-cotton is 12.6 parts;
8.4 parts of polyamide resins;
29.1 parts, reversible pressure-sensitive variable color capsule powder;
31.5 parts of n-propyl acetates;
19.4 parts of Virahols;
0.19 part of flow agent;
0.21 part of defoamer.
Prepare as follows reversible pressure-sensitive color varying counterfeit-proof ink:
(1) 1/4 second nitro-cotton adds stirring and dissolving in the mixed solution of Virahol, n-propyl acetate, then adds polyamide resin, flow agent and defoamer;
(2) with the stirring velocity of 200 revs/min be stirred to polyamide resin fully wetting after, stirring velocity is increased to 600 revs/min, treat that polyamide resin dissolves completely, stirring velocity is down to 350 revs/min, by decrement method, add reversible pressure-sensitive variable color capsule powder, stirring velocity is increased to 600 revs/min, until be uniformly dispersed;
(3) adjust three-roller front and back roller pressure, make it not destroy capsule and be limited, the capsule powder that makes said mixture be depressed into state of aggregation at three-roller central roll obtains finely divided;
(4) stir 20 minutes, speed control is 300 revs/min, detects metering packing by normal quality.
According to the GB/T13217.7-2009[liquid ink attachment fastness method of inspection] the reversible pressure-sensitive color varying counterfeit-proof ink of embodiment 1 preparation is detected, its attachment fastness is 94%, similar to same colour system usual vehicle type ink.
Embodiment 3
The composition of raw materials of reversible pressure-sensitive color varying counterfeit-proof ink is as follows:
Within 1/4 second, nitro-cotton is 12 parts;
8 parts of polyamide resins;
30 parts, reversible pressure-sensitive variable color capsule powder;
30 parts of n-propyl acetates;
20 parts of Virahols;
0.2 part of flow agent;
0.2 part of defoamer.
Prepare as follows reversible pressure-sensitive color varying counterfeit-proof ink:
(1) 1/4 second nitro-cotton adds stirring and dissolving in the mixed solution of Virahol, n-propyl acetate, then adds polyamide resin, flow agent and defoamer;
(2) with the stirring velocity of 175 revs/min be stirred to polyamide resin fully wetting after, stirring velocity is increased to 550 revs/min, treat that polyamide resin dissolves completely, stirring velocity is down to 300 revs/min, by decrement method, add reversible pressure-sensitive variable color capsule powder, stirring velocity is increased to 550 revs/min, until be uniformly dispersed;
(3) adjust three-roller front and back roller pressure, make it not destroy capsule and be limited, the capsule powder that makes said mixture be depressed into state of aggregation at three-roller central roll obtains finely divided;
(4) stir 15 minutes, speed control is 325 revs/min, detects metering packing by normal quality.According to the GB/T13217.7-2009[liquid ink attachment fastness method of inspection] the reversible pressure-sensitive color varying counterfeit-proof ink of embodiment 1 preparation is detected, its attachment fastness is 95%, similar to same colour system usual vehicle type ink.
Disclosed is above only several specific embodiments of the application, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection domain.
Claims (5)
1. a reversible pressure-sensitive color varying counterfeit-proof ink, is characterized in that, its raw material by weight, comprises following component:
1/4 second nitro-cotton 11.64-12.6 part;
Polyamide resin 7.76-8.4 part;
Reversible pressure-sensitive variable color capsule powder 29.1-31.5 part;
N-propyl acetate 29.1-31.5 part;
Virahol 19.4-21 part;
Flow agent 0.19-0.21 part;
Defoamer 0.19-0.21 part.
2. reversible pressure-sensitive color varying counterfeit-proof ink as claimed in claim 1, is characterized in that, comprises the following component in weight part:
Within 1/4 second, nitro-cotton is 12 parts;
8 parts of polyamide resins;
30 parts, reversible pressure-sensitive variable color capsule powder;
30 parts of n-propyl acetates;
20 parts of Virahols;
0.2 part of flow agent;
0.2 part of defoamer.
3. reversible pressure-sensitive color varying counterfeit-proof ink as claimed in claim 1, is characterized in that, described flow agent is selected from the wherein a kind of of BYK-VP330, DynoaddF-101 or DynoaddF-709.
4. reversible pressure-sensitive color varying counterfeit-proof ink as claimed in claim 1, is characterized in that, described defoamer is selected from the wherein a kind of of BYK-052, BYK-080 or BYK-141.
5. the preparation method of the reversible pressure-sensitive color varying counterfeit-proof ink described in any one in claim 1-4, is characterized in that, comprises the following steps:
(1) 1/4 second nitro-cotton adds stirring and dissolving in the mixed solution of Virahol, n-propyl acetate, then adds polyamide resin, flow agent and defoamer;
(2) with the stirring velocity of 150-200 rev/min be stirred to polyamide resin fully wetting after, stirring velocity is increased to 500-600 rev/min, treat that polyamide resin dissolves completely, stirring velocity is down to 250-350 rev/min, by decrement method, add reversible pressure-sensitive variable color capsule powder, stirring velocity is increased to 500-600 rev/min, until be uniformly dispersed;
(3) adjust three-roller front and back roller pressure, make it not destroy capsule and be limited, the capsule powder that makes said mixture be depressed into state of aggregation at three-roller central roll obtains finely divided;
(4) stir 10-20 minute, speed control is 300-350 rev/min, detects metering packing by normal quality; Wherein, the proportioning of each feed composition is identical with the proportioning of the proportioning of each feed composition in claim 1.
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| CN201310658921.2A CN103694798A (en) | 2013-12-06 | 2013-12-06 | Reversible pressure-sensitive-discoloration anti-counterfeiting ink and preparation method thereof |
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| CN201310658921.2A CN103694798A (en) | 2013-12-06 | 2013-12-06 | Reversible pressure-sensitive-discoloration anti-counterfeiting ink and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303961A (en) * | 2015-10-28 | 2016-02-03 | 常州大学 | Anti-counterfeiting structure based on chemical reaction color changing |
| CN106497232A (en) * | 2016-11-30 | 2017-03-15 | 潘省予 | Cut color varying counterfeit-proof ink |
| US10876257B2 (en) | 2016-04-28 | 2020-12-29 | South China University Of Technology | Water-induced anti-counterfeiting paper and preparation method thereof |
| CN115852746A (en) * | 2022-12-01 | 2023-03-28 | 安徽集友纸业包装有限公司 | Tipping paper with pressure warning effect and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193640A (en) * | 1998-04-27 | 1998-09-23 | 杨江 | Anti-fake ink for plastic gravure and its making process |
| WO2005092995A1 (en) * | 2004-03-12 | 2005-10-06 | Sun Chemical Corporation | Reversible piezochromic systems |
-
2013
- 2013-12-06 CN CN201310658921.2A patent/CN103694798A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193640A (en) * | 1998-04-27 | 1998-09-23 | 杨江 | Anti-fake ink for plastic gravure and its making process |
| WO2005092995A1 (en) * | 2004-03-12 | 2005-10-06 | Sun Chemical Corporation | Reversible piezochromic systems |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303961A (en) * | 2015-10-28 | 2016-02-03 | 常州大学 | Anti-counterfeiting structure based on chemical reaction color changing |
| CN105303961B (en) * | 2015-10-28 | 2018-07-17 | 常州大学 | A kind of anti-counterfeit structure based on chemical reaction discoloration |
| US10876257B2 (en) | 2016-04-28 | 2020-12-29 | South China University Of Technology | Water-induced anti-counterfeiting paper and preparation method thereof |
| CN106497232A (en) * | 2016-11-30 | 2017-03-15 | 潘省予 | Cut color varying counterfeit-proof ink |
| CN115852746A (en) * | 2022-12-01 | 2023-03-28 | 安徽集友纸业包装有限公司 | Tipping paper with pressure warning effect and preparation method thereof |
| CN115852746B (en) * | 2022-12-01 | 2024-05-31 | 安徽集友纸业包装有限公司 | Tipping paper with pressure warning function and preparation method thereof |
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Application publication date: 20140402 |