CN201647341U - Biaxially oriented polypropylene film - Google Patents
Biaxially oriented polypropylene film Download PDFInfo
- Publication number
- CN201647341U CN201647341U CN200920263379XU CN200920263379U CN201647341U CN 201647341 U CN201647341 U CN 201647341U CN 200920263379X U CN200920263379X U CN 200920263379XU CN 200920263379 U CN200920263379 U CN 200920263379U CN 201647341 U CN201647341 U CN 201647341U
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- China
- Prior art keywords
- cryptomaterial
- light
- rete
- polypropylene film
- film
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Abstract
The utility model discloses a biaxially oriented polypropylene film, which comprises one or more film layers and is characterized in that at least one film layer is internally distributed with optical cryptomaterial capable of emitting light with special colors under the irradiation of specific light. By adopting the specific light to irradiate the film, the optical cryptomaterial in the film layer can emit the light with special colors such as green fluorescence, yellow fluorescence and the like. When the biaxially oriented polypropylene film which has a function of optical cryptogram is used for packaging an object to be anti-counterfeited, an anti-counterfeit label is not needed to be additionally arranged because the film is anti-counterfeit and the anti-counterfeit concealment effect is good, thus being difficult for a copycat to detect. In addition, the anti-counterfeit label is not needed to be additionally produced and pasted so that the product anti-counterfeiting is simpler and more convenient.
Description
Technical field
The utility model relates to wrapping bidirectional stretching polypropylene film.
Technical background
Bidirectional stretching polypropylene film (BOPP film) is a kind of very important flexible packing material, it is colourless, do not have smell, tasteless, nontoxic, have high tensile, strength under shock, rigidity, obdurability and the good transparency, be widely used in the packing of food, clothing and books.Yet, it does not have antiforge function usually, pack when the added value high product that anti-counterfeiting mark discerned need be set with it, need in addition special anti-counterfeiting mark be set on the BOPP film of packing again, it had both influenced the outward appearance of product, increased the manufacturing procedure of product again, and anti-counterfeiting mark is obvious, and is unhidden, and imitated person can find out easily, thereby imitated corresponding anti-counterfeiting mark further brings fascination to the customer.
The utility model content
The utility model is intended to provide a kind of bidirectional stretching polypropylene film that utilizes the film self-characteristic product of packaging to be carried out anti-counterfeiting mark.
Bidirectional stretching polypropylene film of the present utility model comprises one or more layers of rete, it is characterized in that: have at least to be distributed with the light cryptomaterial that can send special color light under the particular light ray irradiation in one deck rete.
Bidirectional stretching polypropylene film of the present utility model is distributed with the light cryptomaterial at least one tunic layer of film, and when adopting specific light irradiate, the light cryptomaterial in the rete can send the light of particular color, as green fluorescence, yellow fluorescence etc.Pack when needing false proof article with it, anti-counterfeiting mark need be set in addition on film surface again, itself promptly has antiforge function its film, whether the article of packing shine its packing film observation by particular light ray has light of particular color to send the true and false that can judge connection with wrapping of piece, thereby realizes false proof.It carries out false proof with the film self characteristics, false proof good concealment is difficult to be found by imitated person.And do not need extra production and the stickup anti-counterfeiting mark, product false proof is also more simple and convenient.
The light cryptomaterial sends the material of special color light under certain particular light ray irradiation, it comprises a variety of materials.Can be under ultraviolet irradiation, sending the ultraviolet light cryptomaterial of special color light such as red fluorescence, as gadolinium oxide, terbium oxide etc., or its compound; Also can be the infrared light cryptomaterial of special color light such as under infrared radiation, sending red fluorescence, blue fluorescence, green fluorescence, purple fluorescence or yellow fluorescence, as alundum (Al, lead fluoride, calcium fluoride, strontium fluoride, lanthanum fluoride, beryllium fluoride, thulium oxide, samarium sesquioxide, gadolinium sesquioxide, europiumsesquioxide etc., or two or more compound wherein.
When the light cryptomaterial is the compound of multiple material, it can send the light of multiple different colours simultaneously under the particular light ray irradiation, by selecting the combination of multiple different light cryptomaterial, film can corresponding send the light of different colours combination, these multiple color combination can constitute the password of a color, thereby promote the anti-counterfeiting performance of film.
As the light cryptomaterial is the compound of multiple infrared light cryptomaterial, shine following time at infrared light, it can send the light of multiple different color, as use the combination of alundum (Al, lead fluoride, calcium fluoride, it can send green, redness and white light simultaneously, and it can send green, redness and blue light simultaneously as the combination of using alundum (Al, lead fluoride, beryllium fluoride.
Light cryptomaterial in the film can only have the infrared light cryptomaterial or the ultraviolet light cryptomaterial is only arranged, and also can both have infrared light cryptomaterial and ultraviolet light cryptomaterial simultaneously.It shines following time at infrared light, can send the light of corresponding different color combination, can send the light of other different color combination again in UV-irradiation following time.It makes film have the double anti-forge function, and antifalse effect is better, with better function.
Figure of description
The scheme drawing of a kind of bidirectional stretching polypropylene film of Fig. 1;
The scheme drawing of a kind of bidirectional stretching polypropylene film of Fig. 2;
The scheme drawing of a kind of bidirectional stretching polypropylene film of Fig. 3;
The scheme drawing of a kind of bidirectional stretching polypropylene film of Fig. 4.
The specific embodiment
Embodiment 1, and a kind of bidirectional stretching polypropylene film is as Fig. 1, comprise the three-layer polypropylene rete, be distributed with infrared light cryptomaterial 1 in the skim layer in the middle of it, described infrared light cryptomaterial is the inorganic matter alundum (Al, and it is granule and is evenly distributed in the middle rete.It has the infrared light cipher characteristic, and under the Infrared irradiation, the alundum (Al in the middle of being evenly distributed in the rete can send green fluorescence.During with its connection with wrapping of piece, it is false proof to utilize its light cipher characteristic to carry out, and does not need extra practical anti-counterfeiting mark, and disguise is also better simultaneously.The infrared light cryptomaterial also can comprise multiple smooth cryptomaterial simultaneously, as comprising alundum (Al, lead fluoride and calcium fluoride simultaneously, it can send green fluorescence, red fluorescence and white fluorescence simultaneously under the irradiation of infrared light, three coloured light constitute the light password, better promote the anti-counterfeiting performance of film.
Embodiment 2, and a kind of bidirectional stretching polypropylene film as Fig. 2, comprises the individual layer rete, is distributed with ultraviolet light cryptomaterial 2 in its rete, and described ultraviolet light cryptomaterial is a gadolinium oxide, and it is granule and is evenly distributed in the rete.It has the ultraviolet light cipher characteristic, and under the ultraviolet light irradiation, the gadolinium oxide in the middle of being evenly distributed in the rete can send red fluorescence.
Embodiment 3, and a kind of bidirectional stretching polypropylene film as Fig. 3, comprises one deck rete, and its rete not only contains ultraviolet light cryptomaterial 2 but also contain infrared light cryptomaterial 1, and infrared light cryptomaterial and ultraviolet light cryptomaterial are granule respectively and are evenly distributed in the rete.The infrared light cryptomaterial can be the combination of alundum (Al, lead fluoride, beryllium fluoride, and the ultraviolet light cryptomaterial can be terbium oxide, and it had both had the ultraviolet light cipher characteristic simultaneously, had the infrared light cipher characteristic again.Under ultraviolet light irradiation is to send red fluorescence, can send green, red, blue three fluorescence simultaneously in infrared radiation following time.Send the light of different color under infrared ray and the ultraviolet irradiation, make film have the double anti-forge function, anti-counterfeiting performance is better.
Embodiment 4, and a kind of bidirectional stretching polypropylene film is as Fig. 4, comprise double-deck rete, contain in the one rete in ultraviolet light cryptomaterial 2, one retes and contain infrared light cryptomaterial 1, infrared light cryptomaterial and ultraviolet light cryptomaterial are granule respectively and are evenly distributed in separately the rete.It not only has the ultraviolet light cipher characteristic, also has the infrared light cipher characteristic.Under the ultraviolet light irradiation, the ultraviolet light cryptomaterial in the one rete can send the light of special colors such as green fluorescence or yellow fluorescence, and under the Infrared irradiation, the ultraviolet light cryptomaterial in its another rete can send green fluorescence or yellow fluorescence.It has the double anti-forge performance simultaneously, with it connection with wrapping of piece is carried out false proofly, false proof more reliable, and anti-counterfeiting mark is also more hidden.Simultaneously, the ultraviolet light cryptomaterial lays respectively at different retes with the infrared light cryptomaterial, and the cryptomaterial of not sharing the same light when it can avoid being arranged in same rete is contingent to influence each other and reflection mutually, makes antifalse effect more stable.
In the foregoing description, infrared light cryptomaterial and ultraviolet light cryptomaterial also can be organic matter, and it is, and macroscopic view is compatible, the inconsistent state of microcosmic is evenly distributed in its rete.
Claims (6)
1. a bidirectional stretching polypropylene film comprises one or more layers of rete, it is characterized in that: have at least to be distributed with the light cryptomaterial that can send special color light under the particular light ray irradiation in one deck rete.
2. bidirectional stretching polypropylene film according to claim 1 is characterized in that: it has at least in the rete of one deck distribute light cryptomaterial and is distributed with multiple different light cryptomaterial.
3. bidirectional stretching polypropylene film according to claim 1 is characterized in that: described rete be two-layer or two-layer more than, be distributed with different light cryptomaterials respectively in its two-layer at least rete.
4. bidirectional stretching polypropylene film according to claim 1 is characterized in that: described smooth cryptomaterial is the ultraviolet light cryptomaterial.
5. bidirectional stretching polypropylene film according to claim 1 is characterized in that: described smooth cryptomaterial is the infrared light cryptomaterial.
6. bidirectional stretching polypropylene film according to claim 3, it is characterized in that: described rete is two-layer, have in the one rete to be granule rectangular distribution ultraviolet light cryptomaterial therein, have in its another rete to be granule rectangular distribution infrared light cryptomaterial therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920263379XU CN201647341U (en) | 2009-11-25 | 2009-11-25 | Biaxially oriented polypropylene film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920263379XU CN201647341U (en) | 2009-11-25 | 2009-11-25 | Biaxially oriented polypropylene film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201647341U true CN201647341U (en) | 2010-11-24 |
Family
ID=43112573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920263379XU Expired - Lifetime CN201647341U (en) | 2009-11-25 | 2009-11-25 | Biaxially oriented polypropylene film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201647341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177654A (en) * | 2012-07-27 | 2013-06-26 | 杜浩燕 | Manufacturing method of optical anti-fake membrane, optical anti-fake membrane label, optical anti-fake label and optical anti-fake system |
-
2009
- 2009-11-25 CN CN200920263379XU patent/CN201647341U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177654A (en) * | 2012-07-27 | 2013-06-26 | 杜浩燕 | Manufacturing method of optical anti-fake membrane, optical anti-fake membrane label, optical anti-fake label and optical anti-fake system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |