CN101653988A - Anti-fake stayguy material on tobacco bale and preparation method thereof - Google Patents
Anti-fake stayguy material on tobacco bale and preparation method thereof Download PDFInfo
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- CN101653988A CN101653988A CN200910092597A CN200910092597A CN101653988A CN 101653988 A CN101653988 A CN 101653988A CN 200910092597 A CN200910092597 A CN 200910092597A CN 200910092597 A CN200910092597 A CN 200910092597A CN 101653988 A CN101653988 A CN 101653988A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 32
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- 238000000034 method Methods 0.000 claims abstract description 9
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- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses an anti-fake stayguy material on tobacco bale and a preparation method thereof. The method comprises the steps of providing a polypropylene fused mass used for film which contains IR fluorescent powder, extruding the polypropylene fused mass used for film into platelets and performing biaxial extension on the platelets to form the anti-fake stayguy material on tobacco bale.At least partial IR fluorescent powder is added into the polypropylene fused mass, and then the anti-fake stayguy material containing fluorescent powder on tobacco bale is formed by performing biaxial extension. Compared with the prior anti-fake arts, the preparation method provided by the invention is simple. When infrared light illuminates, the anti-fake stayguy material on tobacco bale can show the anti-fake bright spots, so the consumers can conveniently identify the fake cigarettes.
Description
Technical field
The present invention relates to field of high polymer material processing, be specifically related to a kind of anti-fake stayguy material on tobacco bale and preparation method thereof.
Background technology
The cigarette of poor quality of personation famous brand floods market at present, jeopardizes the interests of country, consumer and tobacco manufacturer greatly.The preparation process of false smoke is generally: the cigarette pack thing of the tobacco manufacturer that utilize to reclaim, in adorn cigarette of poor quality; Perhaps the cigarette pack thing of tobacco manufacturer is made in imitation, in adorn cigarette of poor quality and pretend to be best brand of product to deceive consumers in general, escape state tax revenue, obtain illegal huge income.Therefore, need carry out false proof processing to tobacco package.
In the prior art, be used for cigarette packaging material and be generally biaxial stretch-formed polypropylene film, be also referred to as bidirectional stretching polypropylene film, the english abbreviation code is BOPP, and performances such as the stretching molecule orientation of described biaxial stretch-formed polypropylene film, mechanical strength, doubling intensity, air tightness, moistureproof obstruct all are better than the common polythene film.In addition, biaxial stretch-formed polypropylene film is compared with glassine paper with unit are, and unit price is lower than glassine paper.Because the biaxial stretch-formed polypropylene film excellent transparency, seal back, lining reproducing colors is especially bright attractive in appearance, is widely used in the plastic compound flexible packaging field.
In the prior art, cigarette pack generally uses by biaxial-stretched polypropylene films as packaging film, also is provided with a tobacco bale antifalse pulling wire in the outside of packaging film, and described anti-fake stayguy material generally also is a biaxial stretch-formed polypropylene film.At present, tobacco bale tear tape anti-counterfeiting technology generally adopts holographic in the tobacco bale backguy encrypt, print micro picture and text, composite anti-counterfeiting fiber.The holographic encryption is at backguy plastic foil surface molding laser face; Print the micro picture and text and be on backguy plastic foil surface with common ink or have anti-fraud functional printing ink and stamp pattern, literal; Composite anti-counterfeiting fiber is the anti-false fiber that is stained with about 30 microns of one or more diameters in the vertical central authorities of common backguy, adds in this anti-false fiber to have anti-fraud functional material.
The shortcoming of above-mentioned antifalse pulling wire is complicated process of preparation, all needs special auxiliary equipment.The inventor considers if the backguy for preparing behind the adding anti-fake material in the operation before the plastic foil finished product is compared with above-mentioned common antifalse pulling wire can reach equally and can not reclaim, the not reproducible effect of using and being difficult to copy.And, utilize existing checkout gear or naked eyes just can discern.Like this, not only increase the false making difficulty, had higher anti-counterfeiting power, and simplified preparation technology.
Summary of the invention
The technical problem that the present invention solves is, a kind of preparation technology is provided the preparation method of simple anti-fake stayguy material on tobacco bale.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of anti-fake stayguy material on tobacco bale, comprising:
The polypropylene for films molten mass is provided, and described polypropylene for films molten mass comprises the IR fluorescence powder;
Described polypropylene for films molten mass extruded obtain tablet;
Described tablet is carried out the biaxial stretch-formed anti-fake stayguy material on tobacco bale that obtains.
Preferably, described polypropylene fusion body comprises the IR fluorescence powder of 1wt%～10wt%.
Preferably, described tablet is carried out biaxial stretch-formed comprising:
To described tablet at 120 ℃～150 ℃ longitudinal stretchings that carry out 2 times～10 times;
To described tablet at 150 ℃～190 ℃ cross directional stretch that carry out 2 times～10 times;
Preferably, described polypropylene for films molten mass also comprises the ultraviolet fluorescence powder of 1wt%～10wt%.
Preferably, described polypropylene for films molten mass also comprises the heat discoloration powder of 10wt%～30wt%.
Preferably, described polypropylene for films molten mass also comprises the visible light variable color powder of 10wt%～30wt%.
The present invention also provides a kind of anti-fake stayguy material on tobacco bale according to the described preparation method's preparation of technique scheme, comprises the polypropylene film matrix and is distributed in the interior IR fluorescence powder of described polypropylene film matrix.
Preferably, in described polypropylene film matrix, also be distributed with in ultraviolet fluorescence powder, heat discoloration powder or the visible light variable color powder one or more and the invention provides a kind of preparation method of anti-fake stayguy material on tobacco bale.
The invention provides a kind of preparation method of anti-fake stayguy material on tobacco bale.The present invention mixes a part of IR fluorescence powder at least in the polypropylene for films molten mass, biaxial stretch-formedly then can prepare the anti-fake stayguy material on tobacco bale that has the IR fluorescence powder.Compare with several anti-counterfeiting technologies of the prior art, preparation technology provided by the invention is simple.Under the infrared light irradiation, described anti-fake stayguy material on tobacco bale can show false proof bright spot, therefore can make things convenient for the consumer to discern personation cigarette.
In addition, a kind of preferred embodiment in, can also in described melt polypropylene molten mass, mix in ultraviolet fluorescence powder, heat discoloration powder or the visible light variable color powder one or more, so that the tobacco bale antifalse pulling wire reaches the multiple anti-fake effect.For the tobacco bale antifalse pulling wire, single anti-counterfeiting technology has not satisfied the requirement that identification is simple, anti-counterfeiting power is strong sometimes.And tobacco bale antifalse pulling wire provided by the invention is used for a tobacco bale backguy jointly with above-mentioned several false proof means, improves the false making difficulty and conveniently is easy to identification.Like this, the tobacco bale antifalse pulling wire of preparing just has the MULTIPLE COMPOSITE antiforge function, and therefore promptly helping the professional person makes false proof accurately judgement, and can be used as the evidence of judicial protection, also helps the consumer and distinguishes personation cigarette from a plurality of angles.
Description of drawings
Fig. 1 is the structural representation of tobacco bale antifalse pulling wire provided by the invention.
The specific embodiment
The embodiment of a preparation anti-fake stayguy material on tobacco bale of the present invention comprises:
The polypropylene for films molten mass is provided, and described polypropylene for films molten mass comprises the IR fluorescence powder;
Described polypropylene for films molten mass is extruded into tablet;
Described tablet is carried out the biaxial stretch-formed anti-fake stayguy material on tobacco bale that obtains.
The present invention also provides a kind of preparation method of tobacco bale antifalse pulling wire, comprising:
After preparing described anti-fake stayguy material on tobacco bale according to technique scheme, pressure-sensitive adhesive coating layer on described tobacco bale antifalse pulling wire, cutting promptly gets the tobacco bale antifalse pulling wire then.As shown in Figure 1, be the structural representation of tobacco bale antifalse pulling wire provided by the invention, comprise film matrix 11 and the glue-line 12 that is connected with described film matrix.
According to the present invention, described polypropylene for films refers to the polypropylene that is used to prepare film well known to those skilled in the art, can be the homopolymers of propylene or the copolymer of other alkene beyond propylene and the propylene, the object lesson of described other alkene can be ethene, butylene, amylene, 3-methyl-1-butene, hexene, the 3-Methyl-1-pentene, 4-methyl-1-pentene, heptene, octene, nonene, decene, dodecylene, tetradecene, hexadecene, vaccenic acid, the alkene and the cyclobutane of 2-20 such as an eicosylene carbon atom, cyclopentene, cyclohexene, cyclic olefins such as cyclo-octene.Above-mentioned alkene can be separately and copolymerization of propylene as copolymer composition, also can multiple combination and copolymerization of propylene obtain polypropylene.For polyacrylic preparation method, can be according to method well known to those skilled in the art by being polymerized, fusion obtains the polypropylene for films molten mass then.The object lesson of described polypropylene for films can be Chinese patent CN1333000C, Chinese patent CN1093864C, Chinese patent CN101479329A etc., but is not limited thereto.
According to the present invention, described polypropylene fusion obtained the polypropylene fusion body after, preferably in described polypropylene fusion body, add the IR fluorescence powder, the content of IR fluorescence powder is 1wt%～10wt% in the described polypropylene fusion body, is preferably 2wt%～5wt%.Described IR fluorescence powder can for well known to those skilled in the art under infrared light irradiation luminous powder body material.
According to the present invention, in described polypropylene fusion body, add on the basis of IR fluorescence powder, can also add ultraviolet fluorescence powder, the content of described polypropylene fusion body medium ultraviolet fluorescent material is 1wt%～10wt%, is preferably 2wt%～5wt%.Described ultraviolet fluorescence powder can be those skilled in the art's luminous powder body material, for example disclosed UV light-induced variable toner in Chinese patent CN1257952C under the Ultraluminescence irradiation.For the particle diameter of institute's ultraviolet fluorescence powder, preferably less than 10 microns, more preferably less than 7 microns.
According to the present invention, add on the basis of IR fluorescence powder in described polypropylene fusion body, can also add the heat discoloration powder, the content of heat discoloration powder is 10wt%～30wt% in the described polypropylene fusion body, be preferably 20wt%～30wt%, more preferably 25wt%～30wt%.Described heat discoloration powder can be the powder that change color takes place that varies with temperature well known to those skilled in the art, for example can be cold modification heat discoloration powder, thermal change type heat discoloration powder or other heat discoloration powder well known to those skilled in the art.For example, can be at No. the 4421560th, United States Patent (USP) and No. 4424161 disclosed heat discoloration powder.The powder diameter of described heat discoloration powder is preferably less than 10 microns, is more preferably less than 7 microns.
According to the present invention, add on the basis of IR fluorescence powder in described polypropylene fusion body, can also add visible light variable color powder, the content of visible light variable color powder is 10wt%～30wt% in the described polypropylene fusion body, be preferably 20wt%～30wt%, more preferably 25wt%～30wt%.Described visible light variable color powder refers to that those skilled in the art know the powder of observing the demonstration different colours under the different angles of visible light, and the powder size of described visible light variable color powder is preferably less than 10 microns, is more preferably less than 7 microns.
According to the present invention, in described polypropylene fusion body, add on the basis of IR fluorescence powder and ultraviolet fluorescence powder, can also add heat discoloration powder or visible light variable color powder, the content of heat discoloration powder is 10wt%～30wt% in the described polypropylene fusion body, be preferably 20wt%～30wt%, 25wt%～30wt% more preferably, the content of visible light variable color powder is 10wt%～30wt% in the described polypropylene fusion body, be preferably 20wt%～30wt%, more preferably 25wt%～30wt%.
According to the present invention, the polypropylene fusion body of mentioned component is provided after, described polypropylene fusion body extruded in extruder well known to those skilled in the art obtains the sheet extrudate.
According to the present invention, when described sheet extrudate is stretched, preferably adopt biaxial stretch-formed technology, described biaxial stretch-formed optimal process comprises:
Described extrudate is carried out 3 times～10 times, be preferably 4 times～7 times longitudinal stretching, the longitudinal stretching temperature is preferably 120 ℃～150 ℃, is preferably 130 ℃～140 ℃;
Sheet extrudate through described longitudinal stretching is carried out 3 times～10 times, and the cross directional stretch that is preferably 4 times～7 times obtains anti-fake stayguy material on tobacco bale, carries out the described temperature of walking crosswise stretching and is preferably 150 ℃～190 ℃, more preferably 160 ℃～180 ℃.
Carry out described longitudinal stretching and cross directional stretch and can use stretching device well known to those skilled in the art.
The present invention mixes a part of IR fluorescence powder at least in the polypropylene for films molten mass, biaxial stretch-formedly then can prepare the anti-fake stayguy material on tobacco bale that has the IR fluorescence powder.Compare with several anti-counterfeiting technologies of the prior art, preparation technology provided by the invention is simple.Under the infrared light irradiation, described anti-fake stayguy material on tobacco bale can show false proof bright spot, therefore can make things convenient for the consumer to discern personation cigarette.In addition, can also in described melt polypropylene molten mass, mix in ultraviolet fluorescence powder, heat discoloration powder or the visible light variable color powder one or more.Like this, the tobacco bale antifalse pulling wire of preparing just has the MULTIPLE COMPOSITE antiforge function, and therefore promptly helping the professional person makes false proof accurately judgement, and can be used as the evidence of judicial protection, also helps the consumer and distinguishes personation cigarette from a plurality of angles.
In order further to understand the present invention, the preparation method of anti-fake stayguy material on tobacco bale provided by the invention is described below in conjunction with embodiment.
Following embodiment raw material is as follows:
Polypropylene powder: according to the polypropylene powder of embodiment 1 disclosed method preparation among the Chinese patent CN1093864C;
The IR fluorescence powder: the product code name that Beijing power despot dragon peace science and trade company provides is the IR fluorescence powder of FH2-5-1-27, and particle diameter is less than 10 microns;
Ultraviolet fluorescence powder: the product code name that Beijing power despot dragon peace science and trade company provides is the ultraviolet fluorescence powder of FZ, and particle diameter is less than 10 microns;
The heat discoloration powder: the product code name that Beijing power despot dragon peace science and trade company provides is the heat discoloration powder of FW, and particle diameter is less than 7 microns;
Visible light variable color powder: the product code name that Beijing power despot dragon peace science and trade company provides is a FG visible light variable color powder, and particle diameter is less than 7 microns.
Embodiment 1
Take by weighing the IR fluorescence powder mixing and stirring of polypropylene powder and the 10kg of 90kg, mixed powder melts is obtained the polypropylene fusion body.
Utilize diameter to extrude at 280 ℃ described polypropylene fusion body for the sheet extrusion machine of 90mm, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 5 times of described sheet material longitudinal stretchings, stretch 10 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 20 micron thickness.
Described biaxial stretch-formed polypropylene film under the infrared light irradiation, can be demonstrated false proof bright spot.
With described biaxial stretch-formed polypropylene film pressure-sensitive adhesive coating, cutting promptly gets the tobacco bale antifalse pulling wire.
Embodiment 2
Take by weighing the polypropylene powder of 96kg and the IR fluorescence powder of 4kg and stir, mixed powder is obtained the polypropylene fusion body.
It is that 90 millimeters sheet extrusion machine is extruded at 280 ℃ that described polypropylene fusion body is utilized diameter, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 4 times of described sheet material longitudinal stretchings, stretch 8 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 24 micron thickness.
Described biaxial stretch-formed polypropylene film under the infrared light irradiation, can be demonstrated false proof bright spot.
Embodiment 3
Take by weighing polypropylene powder, 4kg IR fluorescence powder, the 2kg ultraviolet fluorescence powder mixing and stirring of 94kg, mixed powder melts is obtained the polypropylene fusion body.
Utilize diameter to extrude at 280 ℃ described polypropylene fusion body for the sheet extrusion machine of 90mm, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 5 times of described sheet material longitudinal stretchings, stretch 10 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 20 micron thickness.
Described biaxial stretch-formed polypropylene film respectively under infrared light and UV-irradiation, is all demonstrated false proof bright spot.
Embodiment 4
Take by weighing polypropylene powder, 4kg IR fluorescence powder, the 3kg ultraviolet fluorescence powder mixing and stirring of 97kg, mixed powder melts is obtained the polypropylene fusion body.
It is that 90 millimeters sheet extrusion machine is extruded at 280 ℃ that described polypropylene fusion body is utilized diameter, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 4 times of described sheet material longitudinal stretchings, stretch 8 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 24 micron thickness.
Described biaxial stretch-formed polypropylene film respectively under infrared light and UV-irradiation, is all demonstrated false proof bright spot.
Embodiment 5
Take by weighing polypropylene powder, 4kg IR fluorescence powder, the 10kg heat discoloration powder mixing and stirring of 86kg, mixed powder melts is obtained the polypropylene fusion body.
Utilize diameter to extrude at 280 ℃ described polypropylene fusion body for the sheet extrusion machine of 90mm, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 5 times of described sheet material longitudinal stretchings, stretch 10 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 20 micron thickness.
Described biaxial stretch-formed polypropylene film under the infrared light irradiation, can be shown false proof bright spot;
Described biaxial stretch-formed polypropylene film is heated to 60 ℃～70 ℃, can shows that native color disappears, cooling back color restoration.
Embodiment 6
Take by weighing polypropylene powder, 4kg IR fluorescence powder, the 30kg heat discoloration powder mixing and stirring of 66kg, mixed powder melts is obtained the polypropylene fusion body.
It is that 90 millimeters sheet extrusion machine is extruded at 280 ℃ that described polypropylene fusion body is utilized diameter, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 3 times of described sheet material longitudinal stretchings, stretch 6 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 35 micron thickness.
Shine described biaxial stretch-formed polypropylene film with infrared light, can demonstrate false proof bright spot; Described biaxial stretch-formed polypropylene film is heated to 60 ℃～70 ℃, can shows that native color disappears, cooling back color restoration.
Embodiment 7
Take by weighing polypropylene powder, 4kg IR fluorescence powder, the 10kg visible light variable color powder mixing and stirring of 86kg, mixed powder melts is obtained the polypropylene fusion body.
Utilize diameter to extrude at 280 ℃ described polypropylene fusion body for the sheet extrusion machine of 90mm, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 5 times of described sheet material longitudinal stretchings, stretch 10 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 20 micron thickness.
Shine described biaxial stretch-formed polypropylene film with infrared light, show false proof bright spot; Observe described biaxial stretch-formed polypropylene film under the natural conditions, show different colours in different angles.
Embodiment 8
Take by weighing polypropylene powder, 4kg IR fluorescence powder, the 30kg visible light variable color powder mixing and stirring of 66kg, mixed powder melts is obtained the polypropylene fusion body.
It is that 90 millimeters sheet extrusion machine is extruded at 280 ℃ that described polypropylene fusion body is utilized diameter, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 3 times of described sheet material longitudinal stretchings, stretch 6 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 35 micron thickness.
Shine described biaxial stretch-formed polypropylene film with infrared light, can show false proof bright spot; Observe described biaxial stretch-formed polypropylene film under the natural conditions, show different colours in different angles.
Embodiment 9
Take by weighing polypropylene powder, 4kg IR fluorescence powder, 2kg ultraviolet fluorescence powder, the 20kg heat discoloration powder mixing and stirring of 74kg, mixed powder melts is obtained the polypropylene fusion body.
Utilize diameter to extrude at 280 ℃ described polypropylene fusion body for the sheet extrusion machine of 90mm, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 4 times of described sheet material longitudinal stretchings, stretch 8 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 26 micron thickness.
Shine described biaxial stretch-formed polypropylene film with ultraviolet light and infrared light respectively, all show false proof bright spot; Described biaxial stretch-formed polypropylene film is heated to 60 ℃～70 ℃, can shows that native color disappears, cooling back color restoration.
Embodiment 10
Take by weighing polypropylene powder, 4kg IR fluorescence powder, 2kg ultraviolet fluorescence powder, the 20kg visible light variable color powder mixing and stirring of 74kg, mixed powder melts is obtained the polypropylene fusion body.
It is that 90 millimeters sheet extrusion machine is extruded at 280 ℃ that described polypropylene fusion body is utilized diameter, sheet material after 30 ℃ cold roller is made 1.5mm, utilize the continuous biaxial stretch-formed device of tentering formula, at 145 ℃ with 4 times of described sheet material longitudinal stretchings, stretch 6 times at stenter in 170 ℃ subsequently, obtain the transparent biaxial stretch-formed polypropylene film of about 30 micron thickness.
Shine described biaxial stretch-formed polypropylene film with ultraviolet light and infrared light respectively, all show false proof bright spot; Observe described biaxial stretch-formed polypropylene film under field conditions (factors), show different colours in different angles.
More than the preparation method of anti-fake stayguy material on tobacco bale provided by the invention is described in detail, gone detailed introduction.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1, a kind of preparation method of anti-fake stayguy material on tobacco bale comprises:
The polypropylene for films molten mass is provided, and described polypropylene for films molten mass comprises the IR fluorescence powder:
Described polypropylene for films molten mass extruded obtain tablet;
Described tablet is carried out the biaxial stretch-formed anti-fake stayguy material on tobacco bale that obtains.
2, method according to claim 1 is characterized in that, described polypropylene fusion body comprises the IR fluorescence powder of 1wt%～10wt%.
3, preparation method according to claim 1 is characterized in that, described described tablet is carried out biaxial stretch-formed comprising:
To described tablet at 120 ℃～150 ℃ longitudinal stretchings that carry out 2 times～10 times;
To described tablet at 150 ℃～190 ℃ cross directional stretch that carry out 2 times～10 times.
4, according to each described preparation method of claim 1 to 3, it is characterized in that described polypropylene for films molten mass also comprises the ultraviolet fluorescence powder of 1wt%～10wt%.
According to each described preparation method of claim 1 to 3, it is characterized in that 5, described polypropylene for films molten mass also comprises the heat discoloration powder of 10wt%～30wt%.
According to each described preparation method of claim 1 to 3, it is characterized in that 6, described polypropylene for films molten mass also comprises the visible light variable color powder of 10wt%～30wt%.
According to each described preparation method of claim 4, it is characterized in that 7, described polypropylene for films molten mass also comprises the heat discoloration powder of 10wt%～30wt%.
8, preparation method according to claim 4 is characterized in that, described polypropylene for films molten mass also comprises the visible light variable color powder of 10wt%～30wt%.
9, according to the anti-fake stayguy material on tobacco bale of each described preparation method's preparation of claim 1 to 8, it is characterized in that, comprise the polypropylene film matrix and be distributed in the interior IR fluorescence powder of described polypropylene film matrix.
10, anti-fake stayguy material on tobacco bale according to claim 9 is characterized in that, also is distributed with in ultraviolet fluorescence powder, heat discoloration powder or the visible light variable color powder one or more in described polypropylene film matrix.
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| CN200910092597A CN101653988A (en) | 2009-09-11 | 2009-09-11 | Anti-fake stayguy material on tobacco bale and preparation method thereof |
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| CN200910092597A CN101653988A (en) | 2009-09-11 | 2009-09-11 | Anti-fake stayguy material on tobacco bale and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104311945A (en) * | 2014-09-19 | 2015-01-28 | 金发科技股份有限公司 | Polyethylene anti-counterfeiting plastic bag and preparation method thereof |
| CN104311979A (en) * | 2014-09-19 | 2015-01-28 | 金发科技股份有限公司 | Ethylene-vinyl acetate copolymer anti-counterfeiting film and preparation method thereof |
| CN107841797A (en) * | 2017-11-10 | 2018-03-27 | 江阴金盟纺织有限公司 | A kind of Novel luminous long filament and preparation method thereof |
| CN111994466A (en) * | 2020-08-19 | 2020-11-27 | 广州市花都联华包装材料有限公司 | Environment-friendly paper unsealing easy-to-tear tape |
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2009
- 2009-09-11 CN CN200910092597A patent/CN101653988A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311945A (en) * | 2014-09-19 | 2015-01-28 | 金发科技股份有限公司 | Polyethylene anti-counterfeiting plastic bag and preparation method thereof |
| CN104311979A (en) * | 2014-09-19 | 2015-01-28 | 金发科技股份有限公司 | Ethylene-vinyl acetate copolymer anti-counterfeiting film and preparation method thereof |
| CN107841797A (en) * | 2017-11-10 | 2018-03-27 | 江阴金盟纺织有限公司 | A kind of Novel luminous long filament and preparation method thereof |
| CN111994466A (en) * | 2020-08-19 | 2020-11-27 | 广州市花都联华包装材料有限公司 | Environment-friendly paper unsealing easy-to-tear tape |
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Open date: 20100224 |