CN109741677A - A kind of multifunctional food packaging label, preparation method and its usage - Google Patents
A kind of multifunctional food packaging label, preparation method and its usage Download PDFInfo
- Publication number
- CN109741677A CN109741677A CN201811490414.1A CN201811490414A CN109741677A CN 109741677 A CN109741677 A CN 109741677A CN 201811490414 A CN201811490414 A CN 201811490414A CN 109741677 A CN109741677 A CN 109741677A
- Authority
- CN
- China
- Prior art keywords
- film
- lamella
- colour developing
- food packaging
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention relates to a kind of multifunctional food packaging labels, preparation method and its usage, including separating film layer, colour developing lamella, antiultraviolet film and the visual windows layer set gradually；The two-dimensional code display on the colour developing lamella of antiultraviolet film side, when with contacting containing oxysome, two dimensional code gradually fades and disappears；The colour developing lamella is made of white polypropylene amide/ammonium molybdate composite aerogel piece, and the polyacrylamide is porous sheet structure；The antiultraviolet film is made of titania nanoparticles and polyethylene film, and the isolation film is microporous polyethylene film.Food packaging multifunctional label of the invention has two-dimension code anti-counterfeit and food pack gas leakage identification function, it is also used as food desiccant simultaneously, ensure food drying, fresh and certified products, has great application prospect in vacuum, aerated food packaging bag field.
Description
Technical field
The invention belongs to intelligent label fields, and in particular to a kind of multifunctional food packaging label, preparation method and its use
On the way.
Technical background
In order to guarantee the fresh and shelf-life of food, more and more food are using vacuum packaging or inflated with nitrogen packaging, mesh
Be in order to completely cut off air, prevent food exposure be oxidized in air, to extend the shelf life.Current many food packs
Because gas leak phenomenon gently will be generated by micro- cut in quality problems or handling process, so that food becomes within the shelf-life in advance
Matter, and consumer is completely unknown, easily causes food hidden danger.Especially in recent years, counterfeit and shoddy goods are becoming increasingly rampant, very much
Criminal gives consumer and brand enterprise using brand food bag food enclosed in sealed is palmed off with packaging bag off quality at a low price
All bring various losses.Therefore, one kind can identify food pack whether gas leakage, and have anti-fraud functional technology
It is vacuum-packed food bag future important directions in future.
Summary of the invention
The object of the present invention is to provide one kind have two-dimension code anti-counterfeit, identify food pack whether gas leakage and functions/drying
Food packaging multifunctional label, it can be ensured that food drying, fresh and genuine piece.
The technical solution of the present invention is as follows: a kind of food packaging multifunctional label, which is characterized in that including what is set gradually
Separating film layer, colour developing lamella, antiultraviolet film and visual windows layer；Two are shown on the colour developing lamella of antiultraviolet film side
Code is tieed up, when with contacting containing oxysome, two dimensional code gradually fades and disappears；The colour developing lamella is by white polypropylene amide/molybdenum
Sour ammonium composite aerogel piece composition, the polyacrylamide are porous structure, and aperture is 0.5-2.0 μm；The antiultraviolet
Film is made of titania nanoparticles and polyethylene film, and the isolation film is microporous polyethylene film.
Specifically, the colour developing lamella is white, and the ultraviolet lighting under two dimensional code mask plate shows the two dimension of green
Code pattern.Colour developing lamella containing two dimensional code is placed in air and is slowly aoxidized, the green two by 48 hours, in colour-development sheet
Dimension code gradually fades and disappears, and using this property, whether colour-development sheet can be used in oxygen-free environment identifying with the presence of oxygen；Institute
The colour developing lamella stated is made of porous copolymer of acrylamide/ammonium molybdate composite aerogel piece, can adsorb the water in environment, Ke Yiying
For food desiccant.
Therefore, there is food packaging multifunctional label of the invention two-dimension code anti-counterfeit and food pack gas leakage to identify function
Can, while being also used as food desiccant, it is ensured that and food drying, fresh and genuine piece, in vacuum, aerated food packaging bag field
It has great application prospect.
Specifically, the antiultraviolet film is coated in polyethylene film layer by silane-modified titania nanoparticles, shape
At modifying titanium dioxide layer/polyethylene film layer composite layer.
Specifically, the visual windows layer is hyaline layer.
Technical solution of the present invention further includes a kind of production method of food packaging multifunctional label, which is characterized in that
It is included in above colour developing lamella and two dimensional code mask plate is set, and carry out ultraviolet lighting, shows pattern in 2 D code on the lamella that develops the color；
Colour-development sheet with pattern in 2 D code is placed between antiultraviolet film and isolation film, pattern in 2 D code is close to antiultraviolet film
Side, antiultraviolet film are set between colour developing lamella and visual windows layer, encapsulation.
Further, the preparation of the antiultraviolet film be after first titania nanoparticles are mixed with dehydrated alcohol
Ultrasound is made into the titania nanoparticles suspension of 0.1-0.2g/mL under the conditions of 200Hz, and silicon then is added in the suspension
Alkane continues ultrasound under the conditions of 200Hz and mixes, obtains the silane-modified titanium dioxide of hydrophobic oleophilic oil after reacting 5-8h at room temperature
Silane-modified titania nanoparticles are finally uniformly revolved Tu to polyethylene film surface and drying, obtain dioxy by nano particle
Change the antiultraviolet film of titanium nano particle load.
Specifically, the preparation method of the colour developing lamella, steps are as follows:
Step 1 grows ice crystal along two-dimensional directional using ice template method；First rectangle flat copper pipe contact low temperature is bathed,
Copper pipe is set to cool down；Add the forerunner comprising acrylamide, chemical cross-linking agent, photoinitiator and photochromic material ammonium molybdate
Liquid, ice crystal are during the growth process squeezed into the chain of polymer loose hole wall；
Step 2 is crosslinked using ultraviolet light low-temp radiating method, is chemically combined hole wall obtained in step 1,
After continuous light 5~6 hours, more stable hole wall is formed between polymer chain；
Step 3 makes the ice crystal in step 2 distil using freeze-drying, leaves the polypropylene of porous two-dimensional sheet structure
Amide/ammonium molybdate composite aerogel piece.
Specifically, the size of rectangle flat copper pipe is 0.3 × 3.0 × 3.0mm in the step 13；Low temperature bath temperature be-
20℃；The ultraviolet wavelength is 253nm；
Further, the chemical cross-linking agent is methylene-bisacrylamide (mbaa), and photoinitiator is that azo two is different
Butanimidamide, monohydrochloride (V50), wherein acrylamide: methylene-bisacrylamide: azo-bis-isobutyrate hydrochloride: ammonium molybdate precursor liquid
The ratio between substance withdrawl syndrome is 800~1000:50:1:40~100.
Technical solution of the present invention further includes the purposes of multifunctional food packaging label, as antifalsification label, desiccant and
Identify vacuum packaging bag whether gas leakage.
A kind of colour developing principle of food packaging multifunctional label of the method for the present invention preparation is the colour developing under ultraviolet lighting
Reduction reaction can occur for the photochromic material ammonium molybdate in piece, so that the white colour-development sheet containing ammonium molybdate is become green, will show
Color chips places in air slowly oxidation, and by 48 hours, green colour-development sheet gradually faded, and reverts to white, utilized this
Property, in vacuum-packed food bag, can be used for identify whether gas leakage, it is ensured that food is fresh.
A kind of drying principles of food packaging multifunctional label are the capillarys using porous copolymer of acrylamide airsetting film
Power water sorption makes food bag keep drying.
Beneficial effects of the present invention:
(1) a kind of food packaging multifunctional label of the invention, has the function of two-dimension code anti-counterfeit, and antifalse effect is good, leads to
It crosses mobile phone to scan the two-dimensional code, checks the true and false into official website, it is ensured that genuine piece takes out label, places a period of time, two dimensional code in air
It can fade away, common people are difficult to copy.
(2) a kind of food packaging multifunctional label of the invention, have identify food pack in whether the function of gas leakage
It can, it is ensured that food is fresh and dry.
(3) a kind of food packaging multifunctional label of the invention has functions/drying, may be used as food desiccant.
(4) a kind of food packaging multifunctional label of the invention has two-dimension code anti-counterfeit, identifies food pack gas leakage
And functions/drying, it has great application prospect in vacuum, aerated food packaging bag field.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of food packaging multifunctional label.
Wherein, 1-visual windows, 2-antiultraviolet films, 3-colour developing lamellas, 4-isolation films, 5- two dimensional code.
Specific embodiment
Clear, complete description is carried out to the contents of the present invention with reference to the accompanying drawing, it is clear that described embodiment is this
A part of the embodiment of invention, instead of all the embodiments.Occupy the embodiment in the present invention, those of ordinary skill in the art
Other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of multifunctional food packaging label the production method is as follows:
Preparation colour developing lamella, specific as follows:
Step 1 grows ice crystal along two-dimensional directional using ice template method.First rectangle flat copper pipe contact low temperature is bathed,
Copper pipe is set to cool down；Add the forerunner comprising acrylamide, chemical cross-linking agent, photoinitiator and photochromic material ammonium molybdate
Liquid, ice crystal are during the growth process squeezed into the chain of polymer loose hole wall；
Step 2 is crosslinked using ultraviolet light low-temp radiating method, is chemically combined hole wall obtained in step 1,
After continuous light 5 hours, more stable hole wall is formed between polymer chain；
Step 3 makes the ice crystal in step 2 distil using freeze-drying, leaves the polypropylene of porous two-dimensional sheet structure
Amide/ammonium molybdate composite aerogel piece, aperture are 0.5-2.0 μm.
Specifically, the size of rectangle flat copper pipe is 0.3 × 3.0 × 3.0mm in the step 13；Low temperature bath temperature be-
20℃；The ultraviolet wavelength is 253nm；
Further, the chemical cross-linking agent is methylene-bisacrylamide (mbaa), and photoinitiator is that azo two is different
Butanimidamide, monohydrochloride (V50), wherein acrylamide: mbaa:V50: the ratio between ammonium molybdate precursor liquid substance withdrawl syndrome is 800:50:1:
40。
The preparation of antiultraviolet film, specific as follows:
Ultrasound is made into the two of 0.1g/mL under the conditions of 200Hz after first titania nanoparticles are mixed with dehydrated alcohol
Then silane is added in Titanium dioxide nanoparticle suspension in the suspension, continue ultrasound under the conditions of 200Hz and mix, in room
The silane-modified titania nanoparticles of hydrophobic oleophilic oil are obtained after the lower reaction 5h of temperature, finally by silane-modified nano titania
Particle uniformly revolves Tu to polyethylene film surface and drying, obtains the antiultraviolet film of titania nanoparticles load.
Specifically, the preparation method of multifunctional food packaging label, first setting two dimensional code is covered above white colour developing lamella
Then diaphragm plate carries out ultraviolet lighting, so that showing a green pattern in 2 D code on white colour-development sheet；To finally have two dimension
The colour-development sheet of code pattern is placed between antiultraviolet film and isolation film, ties up code pattern close to antiultraviolet film side, UV resistance
Line film is set between colour developing lamella and visual windows layer, is packaged, is obtained multifunctional food packaging label of the invention.
Wherein, the principle for forming pattern in 2 D code is that mask plate is placed in above colour developing lamella, carries out ultraviolet light,
Reduction reaction can occur for the photochromic material ammonium molybdate in colour developing lamella, and the white colour developing lamella containing ammonium molybdate is made to become green
Color, to show the pattern in 2 D code of green；Colour developing lamella containing pattern in 2 D code is placed in air and is slowly aoxidized,
By 48 hours, green pattern in 2 D code gradually faded, and reverts to white, using this property, in vacuum-packed food
Bag in, can be used for identify whether gas leakage, it is ensured that food is fresh.
Using the capillary force water sorption of porous copolymer of acrylamide airsetting film, colour-development sheet can be used as food drying
Agent.Meanwhile the green two dimensional code on colour-development sheet is scanned by mobile phone, the true and false is checked into official website, it can be ensured that genuine piece, anti-fake effect
Fruit is good.
Embodiment 2
A kind of multifunctional food packaging label the production method is as follows:
Two dimensional code mask plate first is set above white colour developing lamella, then carries out ultraviolet lighting, so that white colour-development sheet
One green pattern in 2 D code of upper display, is finally placed in antiultraviolet film and isolation film for the colour-development sheet with pattern in 2 D code
Between, close to antiultraviolet film side, antiultraviolet film is set between colour developing lamella and visual windows layer pattern in 2 D code, envelope
Dress.
Further, the preparation method of the antiultraviolet film is first to mix titania nanoparticles and dehydrated alcohol
Ultrasound is made into the titania nanoparticles suspension of 0.2g/mL under the conditions of 200Hz after conjunction, is then added in the suspension
Silane continues ultrasound under the conditions of 200Hz and mixes, obtains the silane-modified titanium dioxide of hydrophobic oleophilic oil after reacting 8h at room temperature
Silane-modified titania nanoparticles are finally uniformly revolved Tu to polyethylene film surface and drying, obtain dioxy by nano particle
Change the antiultraviolet film of titanium nano particle load.
Specifically, the preparation method of the colour developing lamella, steps are as follows:
Step 1 grows ice crystal along two-dimensional directional using ice template method；First rectangle flat copper pipe contact low temperature is bathed,
Copper pipe is set to cool down；Add the forerunner comprising acrylamide, chemical cross-linking agent, photoinitiator and photochromic material ammonium molybdate
Liquid, ice crystal are during the growth process squeezed into the chain of polymer loose hole wall；
Step 2 is crosslinked using ultraviolet light low-temp radiating method, is chemically combined hole wall obtained in step 1,
After continuous light 6 hours, more stable hole wall is formed between polymer chain；
Step 3 makes the ice crystal in step 2 distil using freeze-drying, leaves the polypropylene of porous two-dimensional sheet structure
Amide/ammonium molybdate composite aerogel piece.
Specifically, the size of rectangle flat copper pipe is 0.3 × 3.0 × 3.0mm in the step 13；Low temperature bath temperature be-
20℃；The ultraviolet wavelength is 253nm；
Further, the chemical cross-linking agent is methylene-bisacrylamide (mbaa), and photoinitiator is that azo two is different
Butanimidamide, monohydrochloride (V50), wherein acrylamide: mbaa:V50: the ratio between ammonium molybdate precursor liquid substance withdrawl syndrome is 900:50:1:
60。
The anti-fake of gained colour-development sheet, identification gas leakage and drying property are similar to Example 1.
Embodiment 3
A kind of multifunctional food label the production method is as follows:
Two dimensional code mask plate first is set above white colour developing lamella, then carries out ultraviolet lighting, so that white colour-development sheet
One green pattern in 2 D code of upper display, is finally placed in antiultraviolet film and isolation film for the colour-development sheet with pattern in 2 D code
Between, close to antiultraviolet film side, antiultraviolet film is set between colour developing lamella and visual windows layer pattern in 2 D code, envelope
Dress.
Further, the preparation method of the antiultraviolet film is first to mix titania nanoparticles and dehydrated alcohol
Ultrasound is made into the titania nanoparticles suspension of 0.2g/mL under the conditions of 200Hz after conjunction, is then added in the suspension
Silane continues ultrasound under the conditions of 200Hz and mixes, obtains the silane-modified titanium dioxide of hydrophobic oleophilic oil after reacting 8h at room temperature
Silane-modified titania nanoparticles are finally uniformly revolved Tu to polyethylene film surface and drying, obtain dioxy by nano particle
Change the antiultraviolet film of titanium nano particle load.
Specifically, the preparation method of the colour developing lamella, steps are as follows:
Step 1 grows ice crystal along two-dimensional directional using ice template method.First rectangle flat copper pipe contact low temperature is bathed,
Copper pipe is set to cool down；Add the forerunner comprising acrylamide, chemical cross-linking agent, photoinitiator and photochromic material ammonium molybdate
Liquid, ice crystal are during the growth process squeezed into the chain of polymer loose hole wall；
Step 2 is crosslinked using ultraviolet light low-temp radiating method, is chemically combined hole wall obtained in step 1,
After continuous light 6 hours, more stable hole wall is formed between polymer chain；
Step 3 makes the ice crystal in step 2 distil using freeze-drying, leaves the polypropylene of porous two-dimensional sheet structure
Amide/ammonium molybdate composite aerogel piece.
Specifically, the size of rectangle flat copper pipe is 0.3 × 3.0 × 3.0mm in the step 13；Low temperature bath temperature be-
20℃；The ultraviolet wavelength is 253nm；
Further, the chemical cross-linking agent is methylene-bisacrylamide (mbaa), and photoinitiator is that azo two is different
Butanimidamide, monohydrochloride (V50), wherein acrylamide: mbaa:V50: the ratio between ammonium molybdate precursor liquid substance withdrawl syndrome is 1000:50:
1:80.
The anti-fake of gained colour-development sheet, identification gas leakage and drying property are similar to Example 1.
Embodiment 4
A kind of multifunctional food packaging label the production method is as follows:
Two dimensional code mask plate first is set above white colour developing lamella, then carries out ultraviolet lighting, so that white colour-development sheet
One green pattern in 2 D code of upper display, is finally placed in antiultraviolet film and isolation film for the colour-development sheet with pattern in 2 D code
Between, close to antiultraviolet film side, antiultraviolet film is set between colour developing lamella and visual windows layer pattern in 2 D code, envelope
Dress.
Further, the preparation method of the antiultraviolet film is first to mix titania nanoparticles and dehydrated alcohol
Ultrasound is made into the titania nanoparticles suspension of 0.15g/mL under the conditions of 200Hz after conjunction, then adds in the suspension
Enter silane, continues ultrasound under the conditions of 200Hz and mix, obtain the silane-modified titanium dioxide of hydrophobic oleophilic oil after reacting 7h at room temperature
Silane-modified titania nanoparticles are finally uniformly revolved Tu to polyethylene film surface and drying, obtain two by titanium nano particle
The antiultraviolet film of Titanium dioxide nanoparticle load.
Specifically, the preparation method of the colour developing lamella, steps are as follows:
Step 1 grows ice crystal along two-dimensional directional using ice template method.First rectangle flat copper pipe contact low temperature is bathed,
Copper pipe is set to cool down；Add the forerunner comprising acrylamide, chemical cross-linking agent, photoinitiator and photochromic material ammonium molybdate
Liquid, ice crystal are during the growth process squeezed into the chain of polymer loose hole wall；
Step 2 is crosslinked using ultraviolet light low-temp radiating method, is chemically combined hole wall obtained in step 1,
After continuous light 6 hours, more stable hole wall is formed between polymer chain；
Step 3 makes the ice crystal in step 2 distil using freeze-drying, leaves the polypropylene of porous two-dimensional sheet structure
Amide/ammonium molybdate composite aerogel piece.
Specifically, the size of rectangle flat copper pipe is 0.3 × 3.0 × 3.0mm in the step 13；Low temperature bath temperature be-
20℃；The ultraviolet wavelength is 253nm；
Further, the chemical cross-linking agent is methylene-bisacrylamide (mbaa), and photoinitiator is that azo two is different
Butanimidamide, monohydrochloride (V50), wherein acrylamide: mbaa:V50: the ratio between ammonium molybdate precursor liquid substance withdrawl syndrome is 1000:50:
1:100.
The anti-fake of gained colour-development sheet, identification gas leakage and drying property are similar to Example 1.
Embodiment 5
As shown in Figure 1, a kind of multifunctional food packaging label, is made by embodiment 1-4 and is obtained, which is characterized in that including
Separating film layer 4, colour developing lamella 3, antiultraviolet film 2 and the visual windows layer 1 set gradually；Positioned at 2 side of antiultraviolet film
Two-dimensional code display 5 on colour developing lamella 3, when with contacting containing oxysome, two dimensional code 5 gradually fades and disappears；The colour developing lamella 3
It is made of white polypropylene amide/ammonium molybdate composite aerogel piece, the polyacrylamide is porous sheet structure, and aperture is
0.5-2.0μm；The antiultraviolet film 2 is made of titania nanoparticles and polyethylene film, and the isolation film 4 is poly- for micropore
Vinyl film.
Specifically, the colour developing lamella 3 is white, and two dimensional code mask plate is arranged above white colour developing lamella 3, goes forward side by side
Row ultraviolet lighting shows the two dimensional code of green on white colour-development sheet.Colour-development sheet containing green two dimensional code is placed in air
Slowly oxidation, by 48 hours, the green two dimensional code 5 in colour-development sheet gradually faded and disappears, and using this property, develop the color lamella
Whether 3 can be used in oxygen-free environment identifying with the presence of oxygen；The colour-development sheet is compound by porous copolymer of acrylamide/ammonium molybdate
Airsetting film composition, can adsorb the water in environment, can be applied to food desiccant.
Further, there is a kind of food packaging multifunctional label two-dimension code anti-counterfeit and food pack gas leakage to identify function
Can, while being also used as food desiccant, it is ensured that and food drying, fresh and genuine piece, in vacuum, aerated food packaging bag field
It has great application prospect.
A kind of colour developing principle of food packaging multifunctional label of the method for the present invention preparation is the colour developing under ultraviolet lighting
Reduction reaction can occur for the photochromic material ammonium molybdate in lamella 3, and the white colour-development sheet containing ammonium molybdate is made to become green, will
Colour-development sheet places in air slowly oxidation, and by 48 hours, green colour-development sheet gradually faded, and reverts to white, utilized this
A property, in vacuum-packed food bag, can be used for identify whether gas leakage, it is ensured that food is fresh.
The principle that can be used as desiccant is, using the capillary force water sorption of porous copolymer of acrylamide airsetting film, to make
Food bag keeps drying.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, on the basis of the above description, within method and principle of the invention, made
Any modification equivalent replacement, improve, should all be included in the protection scope of the present invention.There is no need and unable to all
Embodiment is exhaustive.And obvious changes or variations extended from this are still in the protection model of the invention
Among enclosing.
Claims (9)
1. a kind of multifunctional food packaging label, which is characterized in that including separating film layer (4), the colour developing lamella set gradually
(3), antiultraviolet film (2) and visual windows layer (1)；Two dimension is shown on the colour developing lamella (3) of antiultraviolet film (2) side
Code (5), when with contacting containing oxysome, two dimensional code (5) gradually fades and disappears；The colour developing lamella is by white polypropylene acyl
Amine/ammonium molybdate composite aerogel piece composition, the polyacrylamide are porous sheet structure, and aperture is 0.5-2.0 μm；It is described
Antiultraviolet film is made of titania nanoparticles and polyethylene film, and the isolation film is microporous polyethylene film.
2. a kind of multifunctional food packaging label according to claim 1, which is characterized in that the colour developing lamella (3) is
White by the way that two dimensional code mask plate is arranged above white colour developing lamella (3), and carries out ultraviolet lighting, shows on white colour-development sheet
Show two dimensional code (5).
3. a kind of multifunctional food packaging label according to claim 1, which is characterized in that the antiultraviolet film (2)
It is coated in polyethylene film layer by silane-modified titania nanoparticles, it is multiple to form modifying titanium dioxide layer/polyethylene film layer
Close layer.
4. a kind of multifunctional food packaging label according to claim 1, which is characterized in that the visual windows layer (1)
For hyaline layer.
5. a kind of preparation method of multifunctional food packaging label, which is characterized in that be included in setting two above colour developing lamella (3)
Code mask plate is tieed up, and carries out ultraviolet lighting, shows pattern in 2 D code on the lamella that develops the color；By the colour-development sheet with pattern in 2 D code
Layer (3) is placed between antiultraviolet film (2) and isolation film (4), and pattern in 2 D code is close to antiultraviolet film (2) side, UV resistance
Line film (2) is set between colour developing lamella (3) and visual windows layer (1), encapsulation.
6. a kind of preparation method of multifunctional food packaging label according to claim 5, which is characterized in that the anti-purple
The preparation of outside line film is that ultrasound is made into 0.1- under the conditions of 200Hz after mixing titania nanoparticles with dehydrated alcohol
Then silane is added in the titania nanoparticles suspension of 0.2g/mL in the suspension, continue to surpass under the conditions of 200Hz
Sound mixes, and obtains the silane-modified titania nanoparticles of hydrophobic oleophilic oil after reacting 5-8h at room temperature, finally changes silane
Property titania nanoparticles uniformly revolve Tu to polyethylene film surface and drying, obtain the anti-purple of titania nanoparticles load
Outside line film.
7. a kind of preparation method of multifunctional food packaging label according to claim 5, which is characterized in that described is aobvious
The preparation method of color chips layer, steps are as follows:
Step 1 grows ice crystal along two-dimensional directional using ice template method；First by the contact low temperature bath of rectangle flat copper pipe, make copper
Pipe cooling；Add comprising acrylamide, chemical cross-linking agent, photoinitiator and photochromic material ammonium molybdate precursor liquid, ice
Crystalline substance is during the growth process squeezed into the chain of polymer loose hole wall；
Step 2 is crosslinked using ultraviolet light low-temp radiating method, is chemically combined hole wall obtained in step 1, is continued
After illumination 5~6 hours, more stable hole wall is formed between polymer chain；
Step 3 makes the ice crystal in step 2 distil using freeze-drying, leaves the polyacrylamide of porous two-dimensional sheet structure
Amine/ammonium molybdate composite aerogel piece.
8. the preparation method of colour developing lamella according to claim 7, which is characterized in that rectangle flat copper pipe in the step 1
Size be 0.3 × 3.0 × 3.0mm3；The temperature of low temperature bath is -20 DEG C；The chemical cross-linking agent is methylene bisacrylamide acyl
Amine, photoinitiator are azo-bis-isobutyrate hydrochloride, wherein acrylamide: methylene-bisacrylamide: two NSC 18620 salt of azo
Hydrochlorate: the ratio between ammonium molybdate precursor liquid substance withdrawl syndrome is 800~1000:50:1:40~100；The ultraviolet wavelength is
253nm。
9. the purposes of any one multifunctional food packaging label described in a kind of claim 1-4, as antifalsification label, drying
Agent and identify vacuum packaging bag whether gas leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490414.1A CN109741677A (en) | 2018-12-06 | 2018-12-06 | A kind of multifunctional food packaging label, preparation method and its usage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490414.1A CN109741677A (en) | 2018-12-06 | 2018-12-06 | A kind of multifunctional food packaging label, preparation method and its usage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109741677A true CN109741677A (en) | 2019-05-10 |
Family
ID=66358593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811490414.1A Pending CN109741677A (en) | 2018-12-06 | 2018-12-06 | A kind of multifunctional food packaging label, preparation method and its usage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109741677A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092543A (en) * | 1993-03-13 | 1994-09-21 | 谢东 | A kind of X fluorescence antiforge method for commodities and mark |
| CN1802295A (en) * | 2003-04-24 | 2006-07-12 | 芬兰技术研究中心 | Method for noticing changes in a package, method for locating a package, package and system for locating a package |
| CN104761955A (en) * | 2015-04-17 | 2015-07-08 | 深圳九星印刷包装集团有限公司 | Oxygen sensitive variable ink and preparation method thereof |
| CN205230089U (en) * | 2015-10-23 | 2016-05-11 | 西安新桂系信息技术有限公司 | Temperature sensing two -dimensional code antifalsification label |
| CN107403584A (en) * | 2016-06-11 | 2017-11-28 | 陈博 | A kind of photosensitive type antifalsification label |
| CN108645847A (en) * | 2018-05-18 | 2018-10-12 | 山东大学 | A method of oxygen is detected based on unformed tungsten oxide/polymer hybridisation nano fibrous membrane |
| CN108682283A (en) * | 2018-04-23 | 2018-10-19 | 陈浩能 | A kind of measurement label |
-
2018
- 2018-12-06 CN CN201811490414.1A patent/CN109741677A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092543A (en) * | 1993-03-13 | 1994-09-21 | 谢东 | A kind of X fluorescence antiforge method for commodities and mark |
| CN1802295A (en) * | 2003-04-24 | 2006-07-12 | 芬兰技术研究中心 | Method for noticing changes in a package, method for locating a package, package and system for locating a package |
| CN104761955A (en) * | 2015-04-17 | 2015-07-08 | 深圳九星印刷包装集团有限公司 | Oxygen sensitive variable ink and preparation method thereof |
| CN205230089U (en) * | 2015-10-23 | 2016-05-11 | 西安新桂系信息技术有限公司 | Temperature sensing two -dimensional code antifalsification label |
| CN107403584A (en) * | 2016-06-11 | 2017-11-28 | 陈博 | A kind of photosensitive type antifalsification label |
| CN108682283A (en) * | 2018-04-23 | 2018-10-19 | 陈浩能 | A kind of measurement label |
| CN108645847A (en) * | 2018-05-18 | 2018-10-12 | 山东大学 | A method of oxygen is detected based on unformed tungsten oxide/polymer hybridisation nano fibrous membrane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109577005A (en) | A kind of preparation method and applications of the ZIF-8 functionalized nano-fiber film of poly-dopamine modification | |
| Roy et al. | Introduction of selectivity and specificity to graphene using an inimitable combination of molecular imprinting and nanotechnology | |
| KR100735320B1 (en) | Formation method of phosphor film and fabrication method of light emitting diode package using the same | |
| CN1365447A (en) | Moisture indicators for the absorbent capacity of a dessicant | |
| CN107017325A (en) | Quantum dot composite material and manufacturing method and application thereof | |
| MX2009008614A (en) | Control of transport properties to and from nanoparticle surfaces. | |
| CN109021268B (en) | Preparation method of quick-response photochromic gel membrane material | |
| CN106010540B (en) | A kind of quantum dot/metal organic framework laminated film and its preparation and application | |
| CN110746957B (en) | Long-afterglow composite material based on quantum dots and preparation method and application thereof | |
| CN108485512A (en) | A kind of patterning porous polymer coating and preparation method thereof | |
| CN105036292A (en) | Method for degrading rhodamine B dye wastewater by catalyzing Oxone with magnetic cobalt catalyst | |
| CN109741677A (en) | A kind of multifunctional food packaging label, preparation method and its usage | |
| CN111777768B (en) | Rare earth terbium (III) -organic framework coordination polymer, preparation method thereof and application thereof as luminescent material | |
| CN108264579A (en) | A kind of hydrogel material containing big ring rare earth compounding, preparation method and application | |
| Chua et al. | Recent advances in aggregation-induced emission (AIE)-based chemosensors for the detection of organic small molecules | |
| CN108314868B (en) | Lignin composite hydrogel and preparation method thereof | |
| Li et al. | Easy preparation and characterization of highly fluorescent polymer composite microspheres from aqueous CdTe nanocrystals | |
| Yang et al. | UiO-66-(OH) 2 derived porous fluorescence tunable materials by doping with carbon dots | |
| CN109052546A (en) | A kind of method of absorption method-photocatalytic degradation method Combined Treatment organic dye waste water | |
| CN111647168B (en) | Rare earth terbium (III) coordination polymer and preparation method and application thereof | |
| CN107876013B (en) | A kind of preparation method of the Prussian blue composite material of MOF-199 package | |
| CN107008495B (en) | A kind of preparation method and application of the biological-inorganic hybrid membrane material with complicated nanostructure | |
| CN109060789B (en) | Visual oxygen indicator and preparation method thereof | |
| WO2021196278A1 (en) | Color conversion thin film manufacturing method, color conversion thin film and display panel | |
| CN103855265B (en) | Luminescent device preparation method and luminescent device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190510 |
|
| WD01 | Invention patent application deemed withdrawn after publication |