CN110452581A - A kind of fluorescence falsification preventing ink paste and preparation method thereof - Google Patents
A kind of fluorescence falsification preventing ink paste and preparation method thereof Download PDFInfo
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- CN110452581A CN110452581A CN201910701997.6A CN201910701997A CN110452581A CN 110452581 A CN110452581 A CN 110452581A CN 201910701997 A CN201910701997 A CN 201910701997A CN 110452581 A CN110452581 A CN 110452581A
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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
- C09D11/50—Sympathetic, colour changing or similar inks
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The present invention relates to ink paste more particularly to a kind of fluorescence falsification preventing ink paste and preparation method thereof.By weight, including following raw material: 10~15 parts of cinnabar, 4~8 parts of flower soil, 5~10 parts of red fluorescence carbon dots solution, 5~10 parts of syrup of organge, 5~10 parts of wormwood extracting solution.Specifically comprise the following steps: that (1) prepares red fluorescence carbon dots solution, by weight, take 2~10 portions of rhodamine Bs and 2~10 parts of urea, by said mixture plus 200~300 parts of ultrapure water, ultrasonic mixing is uniform, mixed solution is placed in a kettle, is heated to 180~200 DEG C, heats 4~8h；(2) it prepares syrup of organge (3) preparation wormwood extracting solution (4) and prepares fluorescence falsification preventing ink paste, above-mentioned raw materials are mixed well using mortar.Ink paste has a fluorescent characteristic for a long time, realizes antiforge function, while having the advantages that flavouring, anti-corrosion, moisturizing etc. and is a variety of.Preparation method has many advantages, such as simple and convenient synthesis device, energy conservation and environmental protection, simple process, high production efficiency.
Description
Technical field
The present invention relates to ink paste more particularly to a kind of fluorescence falsification preventing ink paste and preparation method thereof.
Background technique
Ink paste (also referred to as print meat) is the treasured of the distinctive study in China, either file signature or history relic and gold
The seal or stamp of a government organization in old China of stone painting and calligraphy, requires using ink paste.It is works indispensable in expert of calligraphy and painting's creation activity, is to convey seal art
Medium.It is recorded according on history records, the development of ink paste arises from early Medieval China.Sui Tang Yihou has silk silks and paper, in
It is that people use the methods of water tune honey, cinnabar, seal is imprinted on paper.Here it is the embryos of ink paste.Due to the dry rear cinnabar of water
It is easy to fall off, the Ming Dynasty is arrived, the especially eternally happy first years of a historical period, people begin to use oil to adjust cinnabar, just gradually develop into us later and arrive now
Ink paste.
Currently, most of ink paste available on the market is all only to have marking function, do not have antiforge function；Especially in ticket
According in, important materials such as security, certificate, painting and calligraphy, check and file, can not be carried out by ink paste anti-fake.At present for seal
It is anti-fake to have been achieved for no small progress, as anti-counterfeit of seals can with ink paste is anti-fake is used together, it will greatly improve with print
Safety.
201611126538.2 disclose " a kind of synthetic method of common ink paste ", and 201611174700.8 disclose and " contain
Ink paste of rare earth compound and preparation method thereof ", 201610205898.5 disclose " system of the changeable colour for anti-fake oil for red ink paste used for seals
Make method ", above-mentioned ink paste can not integrate a variety of advantages such as anti-fake, flavouring, anti-corrosion, bacterium, moisturizing.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of fluorescence falsification preventing ink paste and preparation method thereof.Ink paste is long
Time has fluorescent characteristic, realizes antiforge function, while it is a variety of to have the advantages that flavouring, anti-corrosion, moisturizing etc..Preparation method, which has, closes
The advantages that forming apparatus is simple and convenient, energy conservation and environmental protection, simple process, high production efficiency.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of fluorescence falsification preventing ink paste, by weight, including following raw material: 10~15 parts of cinnabar, 4~8 parts of flower soil, red are glimmering
5~10 parts of light carbon dots solution, 5~10 parts of syrup of organge, 5~10 parts of wormwood extracting solution.
A kind of preparation method of fluorescence falsification preventing ink paste, this method specifically comprise the following steps:
(1) red fluorescence carbon dots solution is prepared
By weight, 2~10 portions of rhodamine Bs and 2~10 parts of urea are taken, by said mixture plus ultrapure water 200~300
Part, ultrasonic mixing is uniform, and mixed solution is placed in a kettle, is heated to 180~200 DEG C, heats 4~8h；
(2) syrup of organge is prepared
It takes fresh orange peel, after being cut into powder by knife, squeeze the juice using juice extractor, by filtered through gauze, stays clear liquid spare；
(3) wormwood extracting solution is prepared
Dry folium artemisiae argyi is taken, 70~90% ethyl alcohol are added with solid-liquid ratio 1:20~1:40 and carry out ultrasonic extraction, ultrasonic time
20~40min, 40~60 DEG C of Extracting temperature, 300~400W of ultrasonic power；After ultrasound with the revolving speed of 2000~3000r/min from
The heart discards precipitating, stays supernatant spare；
(4) fluorescence falsification preventing ink paste is prepared
By weight, take 10~15 parts of cinnabar, 4~8 parts of flower soil, red 5~10 parts of carbon dots solution, 5~10 parts of syrup of organge,
It 5~10 parts of wormwood extracting solution, is mixed well using mortar, as fluorescence falsification preventing ink paste finished product.
Compared with the conventional method, the beneficial effects of the present invention are:
(1) core material of the present invention joined red fluorescence carbon quantum dot, issue ink paste in the UV lamp distinctive red
Color fluorescence imparts the characteristic of ink paste fluorescence, allows its marking that red fluorescence to be presented on paper, and red fluorescence is long-acting glimmering
Light, therefore ink paste can have fluorescent characteristic in a long time, realize anti-fake function.
(2) red carbon quantum dot synthetic method is hydro-thermal method, simple with synthesis device, operating performance is succinct, pure
The advantages that change method is convenient.
(3) it is added to Chinese medicine wormwood extract, the bacteriostasis property of ink paste is improved, extends the shelf-life, improve ink paste
Preservative efficacy.
(4) syrup of organge is produced using orange peel, makes ink paste that there is orange fragrance.The smell of orange peel fragrance and good lubricity
Can, impart the preferable quality of product.
The present invention has a fluorescent characteristic for a long time, realizes antiforge function, while having flavouring, anti-corrosion, moisturizing etc. and is a variety of excellent
Point.Preparation method has many advantages, such as simple and convenient synthesis device, energy conservation and environmental protection, simple process, high production efficiency.
Detailed description of the invention
Fig. 1 is the state diagram under fluorescent lamp of the present invention；
Fig. 2 is the state diagram of the present invention in the UV lamp；
Fig. 3 is marking state diagram under daylight etc. of the present invention on paper；
Fig. 4 is marking state diagram in the UV lamp of the present invention on paper.
Specific embodiment
Specific embodiments of the present invention will be further explained below, but is not intended to limit the scope of the invention:
A kind of fluorescence falsification preventing ink paste, by weight, including following raw material: 10~15 parts of cinnabar, 4~8 parts of flower soil, red are glimmering
5~10 parts of light carbon dots solution, 5~10 parts of syrup of organge, 5~10 parts of wormwood extracting solution.
A kind of preparation method of fluorescence falsification preventing ink paste, this method specifically comprise the following steps:
(1) red fluorescence carbon dots solution is prepared
By weight, 2~10 portions of rhodamine Bs and 2~10 parts of urea are taken, by said mixture plus ultrapure water 200~300
Part, ultrasonic mixing is uniform, and mixed solution is placed in a kettle, is heated to 180~200 DEG C, heats 4~8h；
(2) syrup of organge is prepared
It takes fresh orange peel, after being cut into powder by knife, squeeze the juice using juice extractor, by filtered through gauze, stays clear liquid spare；
(3) wormwood extracting solution is prepared
Dry folium artemisiae argyi is taken, 70~90% ethyl alcohol are added with solid-liquid ratio 1:20~1:40 and carry out ultrasonic extraction, ultrasonic time
20~40min, 40~60 DEG C of Extracting temperature, 300~400W of ultrasonic power；After ultrasound with the revolving speed of 2000~3000r/min from
The heart discards precipitating, stays supernatant spare；
(4) fluorescence falsification preventing ink paste is prepared
By weight, take 10~15 parts of cinnabar, 4~8 parts of flower soil, red 5~10 parts of carbon dots solution, 5~10 parts of syrup of organge,
It 5~10 parts of wormwood extracting solution, is mixed well using mortar, as fluorescence falsification preventing ink paste finished product.
Embodiment 1:
A kind of fluorescence falsification preventing ink paste, by weight, including following raw material: 10 parts of cinnabar, 4 parts of flower soil, red fluorescence carbon dots
5 parts of solution, 50 parts of syrup of organge, 7.5 parts of wormwood extracting solution.
A kind of preparation method of fluorescence falsification preventing ink paste, this method specifically comprise the following steps:
(1) synthesis of red fluorescence carbon dots
After taking 0.2g rhodamine B, 0.2g urea plus ultrapure water 20ml, ultrasound is mixed, set in reaction kettle 180 DEG C of heating 4~
8h。
(2) preparation of syrup of organge
Take fresh orange peel, after being cut into powder by knife, squeeze the juice using juice extractor.
(3) preparation of wormwood extract
Dry folium artemisiae argyi is taken, 70% ethyl alcohol is added with solid-liquid ratio 1:20~1:40 and carries out ultrasonic extraction, ultrasonic time
20min, 40 DEG C of Extracting temperature, ultrasonic power 300W.2000r/min is centrifuged after ultrasound, goes supernatant spare.
(4) preparation of fluorescence falsification preventing ink paste
Cinnabar 1g, flower soil 0.4g, red carbon dots solution 0.5ml, syrup of organge 0.5ml, wormwood extract 0.5ml are taken, is used
Mortar mixes well, as fluorescence falsification preventing ink paste finished product.
Embodiment 2:
A kind of fluorescence falsification preventing ink paste, by weight, including following raw material: 12 parts of cinnabar, 6 parts of flower soil, red fluorescence carbon dots
7.5 parts of solution, 75 parts of syrup of organge, 5 parts of wormwood extracting solution.
A kind of preparation method of fluorescence falsification preventing ink paste, this method specifically comprise the following steps:
(1) synthesis of red fluorescence carbon dots
After taking 0.6g rhodamine B, 0.6g urea plus ultrapure water 25ml, ultrasound is mixed, and sets 200 DEG C of heating 8h in reaction kettle.
(2) preparation of syrup of organge
Take fresh orange peel, after being cut into powder by knife, squeeze the juice using juice extractor.
(3) preparation of wormwood extract
Take dry folium artemisiae argyi, with solid-liquid ratio 1:20~1:40 be added 8% ethyl alcohol carry out ultrasonic extraction, ultrasonic time 30min,
50 DEG C of Extracting temperature, ultrasonic power 350W.2500r/min is centrifuged after ultrasound, goes supernatant spare.
(4) preparation of fluorescence falsification preventing ink paste
Cinnabar 1.2g, flower soil 0.6g, red carbon dots solution 0.75ml, syrup of organge 0.75ml, wormwood extract 0.75ml are taken,
It is mixed well using mortar, as fluorescence falsification preventing ink paste finished product.
Embodiment 3:
A kind of fluorescence falsification preventing ink paste, by weight, including following raw material: 15 parts of cinnabar, 8 parts of flower soil, red fluorescence carbon dots
10 parts of solution, 10 parts of syrup of organge, 10 parts of wormwood extracting solution.
A kind of preparation method of fluorescence falsification preventing ink paste, this method specifically comprise the following steps:
(1) synthesis of red fluorescence carbon dots
After taking 1g rhodamine B, 1g urea plus ultrapure water 30ml, ultrasound is mixed, and sets 200 DEG C of heating 8h in reaction kettle.
(2) preparation of syrup of organge
Take fresh orange peel, after being cut into powder by knife, squeeze the juice using juice extractor.
(3) preparation of wormwood extract
Dry folium artemisiae argyi is taken, 70~90% ethyl alcohol are added with solid-liquid ratio 1:20~1:40 and carry out ultrasonic extraction, ultrasonic time
40min, 60 DEG C of Extracting temperature, ultrasonic power 400W.With the centrifugation of 3000r/min speed after ultrasound, go supernatant spare.
(4) preparation of fluorescence falsification preventing ink paste
Cinnabar 1.5g, flower soil 0.8g, red carbon dots solution 1ml, syrup of organge 1ml, wormwood extract 1ml are taken, mortar is used
It mixes well, as fluorescence falsification preventing ink paste finished product.
As shown in Figs 1-4, core material of the present invention joined red fluorescence carbon quantum dot, issue ink paste in the UV lamp
Distinctive red fluorescence imparts the characteristic of ink paste fluorescence, allows its marking that red fluorescence to be presented on paper, and red fluorescence is
Long-acting fluorescence, therefore ink paste can have fluorescent characteristic in a long time, realize anti-fake function.
Red carbon quantum dot synthetic method is hydro-thermal method, and, operating performance simple with synthesis device be succinct, purifying side
The advantages that method is convenient.
It is added to Chinese medicine wormwood extract, the bacteriostasis property of ink paste is improved, extends the shelf-life, improves the anti-of ink paste
Rotten effect.Syrup of organge is produced using orange peel, makes ink paste that there is orange fragrance.The smell of orange peel fragrance and good greasy property,
Impart the preferable quality of product.
The present invention has a fluorescent characteristic for a long time, realizes antiforge function, while having flavouring, anti-corrosion, moisturizing etc. and is a variety of excellent
Point.Preparation method has many advantages, such as simple and convenient synthesis device, energy conservation and environmental protection, simple process, high production efficiency.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of fluorescence falsification preventing ink paste, which is characterized in that by weight, including following raw material: 10~15 parts of cinnabar, flower soil 4~8
Part, 5~10 parts of red fluorescence carbon dots solution, 5~10 parts of syrup of organge, 5~10 parts of wormwood extracting solution.
2. a kind of preparation method of fluorescence falsification preventing ink paste described in claim 1, which is characterized in that this method specifically includes as follows
Step:
(1) red fluorescence carbon dots solution is prepared
By weight, 2~10 portions of rhodamine Bs and 2~10 parts of urea are taken, said mixture plus 200~300 parts of ultrapure water surpass
Sound is uniformly mixed, and mixed solution is placed in a kettle, is heated to 180~200 DEG C, heats 4~8h；
(2) syrup of organge is prepared
It takes fresh orange peel, after being cut into powder by knife, squeeze the juice using juice extractor, by filtered through gauze, stays clear liquid spare；
(3) wormwood extracting solution is prepared
Take dry folium artemisiae argyi, with solid-liquid ratio 1:20~1:40 be added 70~90% ethyl alcohol carry out ultrasonic extraction, ultrasonic time 20~
40min, 40~60 DEG C of Extracting temperature, 300~400W of ultrasonic power；It is centrifuged, is abandoned with the revolving speed of 2000~3000r/min after ultrasound
Fall precipitating, stays supernatant spare；
(4) fluorescence falsification preventing ink paste is prepared
By weight, 10~15 parts of cinnabar, 4~8 parts of flower soil, red 5~10 parts of carbon dots solution, 5~10 parts of syrup of organge, wormwood are taken
It 5~10 parts of extracting solution, is mixed well using mortar, as fluorescence falsification preventing ink paste finished product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116162455A (en) * | 2023-01-06 | 2023-05-26 | 黄冈师范学院 | Moxa smoke carbon dot and preparation method and application thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227859A (en) * | 1998-09-22 | 1999-09-08 | 周卫祖 | Method for manufacturing multifunctional anti-fake inkpad |
| JP2001026172A (en) * | 1999-07-13 | 2001-01-30 | Shigemitsu Fujii | Vermilion inkpad case for sealing |
| CN104357049A (en) * | 2014-11-07 | 2015-02-18 | 山西大学 | Fluorescent carbon quantum dot as well as preparation method and application thereof |
| CN105969333A (en) * | 2016-06-20 | 2016-09-28 | 中国科学院兰州化学物理研究所 | Preparation method of photoluminescence ionic liquid containing carbon quantum dots |
| CN106752308A (en) * | 2016-12-19 | 2017-05-31 | 中国科学院包头稀土研发中心 | Ink paste of compounds containing rare earth and preparation method thereof |
| CN106987169A (en) * | 2017-05-09 | 2017-07-28 | 铜仁市万山区丹凤朱砂工艺品研发检测鉴定中心有限公司 | A kind of cinnabar seal-ink and preparation method thereof |
| CN107033888A (en) * | 2017-05-23 | 2017-08-11 | 天津工业大学 | Chinese medicine dreg prepares carbon point and its research for Antiforge fluorescent ink |
| CN109651873A (en) * | 2018-12-12 | 2019-04-19 | 段晓 | A kind of office preparation method of ink paste |
-
2019
- 2019-07-31 CN CN201910701997.6A patent/CN110452581A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227859A (en) * | 1998-09-22 | 1999-09-08 | 周卫祖 | Method for manufacturing multifunctional anti-fake inkpad |
| JP2001026172A (en) * | 1999-07-13 | 2001-01-30 | Shigemitsu Fujii | Vermilion inkpad case for sealing |
| CN104357049A (en) * | 2014-11-07 | 2015-02-18 | 山西大学 | Fluorescent carbon quantum dot as well as preparation method and application thereof |
| CN105969333A (en) * | 2016-06-20 | 2016-09-28 | 中国科学院兰州化学物理研究所 | Preparation method of photoluminescence ionic liquid containing carbon quantum dots |
| CN106752308A (en) * | 2016-12-19 | 2017-05-31 | 中国科学院包头稀土研发中心 | Ink paste of compounds containing rare earth and preparation method thereof |
| CN106987169A (en) * | 2017-05-09 | 2017-07-28 | 铜仁市万山区丹凤朱砂工艺品研发检测鉴定中心有限公司 | A kind of cinnabar seal-ink and preparation method thereof |
| CN107033888A (en) * | 2017-05-23 | 2017-08-11 | 天津工业大学 | Chinese medicine dreg prepares carbon point and its research for Antiforge fluorescent ink |
| CN109651873A (en) * | 2018-12-12 | 2019-04-19 | 段晓 | A kind of office preparation method of ink paste |
Non-Patent Citations (5)
| Title |
|---|
| KALYTCHUK,S；WANG,Y；POLAKOVA,K: ""Carbon Dot Fluorescence-Lifetime-Encoded Anti-Counterfeiting"", 《ACS APPLIED MATERIALS & INTERFACES》 * |
| 全国防伪标准化技术委员会: "《防伪技术国家标准实施指南》", 31 July 2003, 中国计量出版社 * |
| 刘武等: ""一种具有室温磷光的碳量子点基复合材料"", 《功能材料》 * |
| 张晓艳等: ""艾草提取工艺研究"", 《赤峰学院学报（自然科学版）》 * |
| 高宪文等: "《实用化学小工艺》", 30 November 1981, 福建教育出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116162455A (en) * | 2023-01-06 | 2023-05-26 | 黄冈师范学院 | Moxa smoke carbon dot and preparation method and application thereof |
| CN116162455B (en) * | 2023-01-06 | 2023-11-21 | 黄冈师范学院 | Moxa smoke carbon dot and preparation method and application thereof |
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