CN104311990A - Polypropylene anti-counterfeiting film and preparation method thereof - Google Patents
Polypropylene anti-counterfeiting film and preparation method thereof Download PDFInfo
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- CN104311990A CN104311990A CN201410481983.5A CN201410481983A CN104311990A CN 104311990 A CN104311990 A CN 104311990A CN 201410481983 A CN201410481983 A CN 201410481983A CN 104311990 A CN104311990 A CN 104311990A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a polypropylene anti-counterfeiting film and a preparation method thereof. The polypropylene anti-counterfeiting film includes, by weight, 100 parts of polypropylene, 0.1-20 parts of anti-counterfeiting masterbatch and 0-1 part of a processing aid. The anti-counterfeiting masterbatch includes, by weight, 30-99.9% of a carrier resin, 0.01-15% of a fluorescent powder, 0.01-65% of a coding material and 0-3.25% of an auxiliary; and the carrier resin is polypropylene. The preparation method is as below: conducting extrusion molding on polypropylene, processing aid and anti-counterfeiting masterbatch to a coextrusion head by using a large extruder and a small extruder respectively; evenly mixing polypropylene and the processing aid and extruding from the large extruder; extruding the anti-counterfeiting masterbatch from the small extruder; and extruding a double color bubble tube, and conducting blowing, traction and rolling. By adopting specific coextrusion film blowing process, the anti-counterfeiting strip and the polypropylene film are combined into one body to gain good binding force; the production process is simple, low in anti-counterfeiting cost, and easy for processing and moulding and mass production; and according to the fluorescent features and coding information on the anti-counterfeiting strip, authenticity and traceability of the product can be realized.
Description
Technical field
The present invention relates to package anti-counterfeiting technical field, particularly a kind of polypropylene anti-false film and preparation method thereof.
Background technology
Polypropylene screen has the performance of many excellences, and relative density is little, and physical strength is large.Especially it has the transparency and the thermotolerance of height, makes it to be widely used, is particularly suitable for the small packages of clothing, food and all kinds of daily necessities.
But it does not have antiforge function usually, when needing false proof field for some, need on polypropylene screen, to arrange special anti-counterfeiting mark in addition, such as antiforge ink, or paste antifalsification label etc., namely have impact on the outward appearance of product, turn increase manufacturing procedure.And due to these anti-counterfeiting technologies be all widely used anti-counterfeiting technology, fake producer is easy to find out, thus imitated corresponding anti-counterfeiting mark.
Summary of the invention
In order to the shortcoming overcoming prior art is with not enough, primary and foremost purpose of the present invention be to provide a kind of antifalse effect good, real and fake discrimination can be realized and trace to the source, and the polypropylene anti-false film that production cost is low.
Another object of the present invention is to provide the preparation method of above-mentioned polypropylene anti-false film.
The present invention is achieved by the following technical solutions:
A kind of polypropylene anti-false film, by weight, comprises following component:
Polypropylene 100 parts;
False proof master batch 0.1 ~ 20 part;
Processing aid 0 ~ 1 part;
Wherein, described false proof master batch, by weight percentage, comprises following component:
Vector resin 30 ~ 99.9%;
Fluorescent material 0.01 ~ 15%;
Coding material 0.01 ~ 65%;
Auxiliary agent 0 ~ 3.25%;
Described vector resin is polypropylene.
The preparation method of false proof master batch of the present invention, comprises the steps:
Vector resin, fluorescent material, coding material and auxiliary agent are weighed by proportioning, pour high-speed mixer and mixing into even, 200 ~ 300 DEG C of meltings in twin screw extruder, extruding pelletization, obtains false proof master batch.
False proof master batch add-on of the present invention is preferably 0.1 ~ 20 weight part; False proof master batch and polyacrylic ratio determine the width of false proof bar on polypropylene film, in order to obtain the false proof bar that width is 0.3 ~ 5cm, need add the false proof master batch of 0.1 ~ 20 part; The false proof master batch adding 0.1 ~ 20 part can be cost-saving, and can strengthen antifalse effect, because prepare false proof master batch fluorescent material used and coding material component, its prices of raw and semifnished materials comparatively polypropylene are expensive, and addition fewer be more difficult to analyze counterfeit; And if the false proof master batch added is more than 20 parts, its raw-material cost is high, and easy to be analyzed counterfeit.
Wherein, described coding material is selected from one or more of compound of magnesium, potassium, calcium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, germanium, selenium, strontium, yttrium, zirconium, niobium, molybdenum, palladium, silver, indium, tin, antimony, tellurium, barium, lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, bismuth; Described coding material has the characteristic being easy to be detected, distinguish and accurately identify, object is the coding being combined to form some amount by it, the product information that binding is relevant.
Described fluorescent material is selected from ultraviolet excited fluorescence powder and/or infrared excitation fluorescent material; Described ultraviolet excited fluorescence powder is preferably the formic acid diimide derivative (1 that excitation wavelength is 360nm perylene, 7-bis-bromo-3,4,9,10-perylene tetracarboxylic acid imide), described infrared excitation fluorescent material is preferably the inorganic rare earth fluorochemical (YErYbF that excitation wavelength is 980nm
3); Described fluorescent material has the characteristic of fluorescence, makes false proof master batch can absorb UV-light or infrared light, sends characteristic fluorescence, and object is to provide a kind of anti-counterfeiting characteristic being easy to identify.
Described auxiliary agent is the mixing of one or more in coupling agent, lubricant, oxidation inhibitor or static inhibitor; Described coupling agent is preferably vinyltriethoxysilane, and described lubricant is preferably stearic acid, and described oxidation inhibitor is preferably 2,6 di tert butyl 4 methyl phenol, and described static inhibitor is preferably polyether ester amides.
Described processing aid is selected from oxidation inhibitor and/or anti UV agent; Described oxidation inhibitor is preferably four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (antioxidant 1010), described anti UV agent is preferably the tertiary base phenyl of 2-(2-hydroxyl-3,5-bis-fourth)-5-chlorinated benzotriazole (UV-327).
The preparation method of polypropylene anti-false film of the present invention, comprises the steps:
With large and small two extruders respectively by polypropylene, processing aid and false proof master batch extrusion molding to co-extruding machine head, extrude from large forcing machine after polypropylene and processing aid mix, false proof master batch is extruded from little forcing machine, to extrude after double-colored bubble pipe through inflation, traction, rolling, obtain the polypropylene anti-false film with false proof bar.
The barrel temperature of described large and small two extruders is divided into 3 sections of controls, and be followed successively by feeding section 140 ~ 160 DEG C, 180 ~ 210 DEG C, stage casing, leading portion 200 ~ 220 DEG C, co-extruding machine head temperature is 200 ~ 220 DEG C, and blow-up ratio is 2.0 ~ 3.0.
False proof bar width on described polypropylene anti-false film is 0.3 ~ 5.0cm, can by the width regulating the feeding capacity of large and small two extruders to control the false proof bar after inflation.
The present invention is combined with false proof bar by polypropylene film, specific coextrusion film blowing technique is adopted to prepare polypropylene anti-false film with false proof bar, when blown film, namely on polypropylene film, false proof bar and anti-fake code is generated, the vector resin of false proof bar adopts the polypropylene material identical with film, false proof bar and polypropylene film melt and became one, and have good bonding force, thus maintain the excellent properties of polypropylene film.When polypropylene anti-false film is used for the packing of product, the production of the coded message of false proof bar and packaging product, circulation information can be bundled mutually, set up anti-counterfeiting information management system.When anti-fake check is carried out to packaging product, intercept the false proof bar of segment, detect its coded message with fast precise analyzing and testing instrument, production, the circulation information of packaging product can be inquired by anti-counterfeiting information management system fast and accurately, thus realize real and fake discrimination and trace to the source.
The present invention compared with prior art, has following beneficial effect:
1) the present invention is by adopting specific coextrusion film blowing technique, and the false proof bar for preparing and polypropylene film are melted and becames one, have good bonding force, carry out false proof with the characteristic of polypropylene anti-false film self, antifalse effect is difficult to be imitated.
2) the polypropylene anti-false film for preparing of the present invention, compared with the anti-counterfeit package of existing band anti-counterfeiting mark, do not need additionally produce and paste anti-counterfeiting mark, production technique is simple, and false proof cost is low, easier machine-shaping and mass production.
3) the polypropylene anti-false film for preparing of the present invention, can by the production of coded message and the product packaged by it, circulate and bind, realize the real and fake discrimination of product according to the fluorescent characteristics on false proof bar and coded message and trace to the source.
Accompanying drawing explanation
Fig. 1 be polypropylene anti-false film of the present invention extrude film bubble schematic diagram;
Fig. 2 is the A-A schematic cross-section of polypropylene anti-false film of the present invention;
Fig. 3 is polypropylene anti-false finished film schematic diagram of the present invention;
In figure: 1 is polypropylene film, 2 is false proof bar, and 3 is co-extrusion die head.
Embodiment
Further illustrate the present invention below by embodiment, following examples are the present invention's preferably embodiment, but embodiments of the present invention are not by the restriction of following embodiment.
In following examples and comparative example:
The polypropylene used: the Yanshan Petrochemical trade mark is the blown film grade polypropylene of F1002.
The fluorescent material used: the formic acid diimide derivative (bromo-3,4,9, the 10-perylene tetracarboxylic acid imide of 1,7-bis-) of ultraviolet excited fluorescence powder choosing perylene, excitation wavelength 360nm, sends green fluorescence; Inorganic rare earth fluorochemical (YErYbF selected by infrared excitation fluorescent material
3), excitation wavelength: 980nm, sends green fluorescence.
The auxiliary agent used: vinyltriethoxysilane selected by coupling agent, stearic acid selected by lubricant, and 2,6 di tert butyl 4 methyl phenol selected by oxidation inhibitor, and polyether ester amides selected by static inhibitor.
The processing aid used: four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (antioxidant 1010) selected by oxidation inhibitor; Anti UV agent selects the tertiary base phenyl of 2-(2-hydroxyl-3,5-bis-fourth)-5-chlorinated benzotriazole (UV-327).
embodiment A 1 ~ A40 and comparative example B1 ~ B4: the preparation of false proof master batch
Vector resin, fluorescent material, coding material and auxiliary agent are pressed proportioning shown in table 1 ~ 5 to weigh, pour high-speed mixer and mixing into even, 200 ~ 300 DEG C of meltings in twin screw extruder, extruding pelletization, prepares false proof master batch.
。
embodiment 1 ~ 40 and comparative example 1 ~ 6: the preparation of polypropylene anti-false film
A preparation method for polypropylene anti-false film, its composition of raw materials is as shown in table 6 ~ 10, and its preparation method comprises the following steps:
Take each component by weight, the false proof master batch extrusion molding prepared in polypropylene, processing aid and table 1 ~ 5 respectively with large and small two extruders is to co-extruding machine head, extrude from large forcing machine after polypropylene and processing aid mix, false proof master batch is extruded from little forcing machine, to extrude after double-colored bubble pipe through inflation, traction, rolling, obtain the polypropylene anti-false film with false proof bar; Wherein, the barrel temperature of described large and small two extruders is divided into 3 sections of controls, and be followed successively by feeding section 150 DEG C, 200 DEG C, stage casing, leading portion 210 DEG C, co-extruding machine head temperature is 210 DEG C, and blow-up ratio is 2.5.Measure the width of its false proof bar, the relative tear strength of false proof bar, false proof bar fluorescence, anti-fake code Detection results, false proof cost, concrete data are listed in table 6 ~ 10.
False proof bar tests the mensuration part 1 by GB/T 16578.1-2008 plastics film and the tear-resistant performance of thin slice relative to tear strength: trousers shape method of Tearing is carried out, test the tear strength of false proof bar and polypropylene film respectively, using the ratio of the two as the relative tear strength of false proof bar.
False proof bar fluoroscopic examination adopts Portable ultraviolet lamp or infrared lamp, irradiates false proof bar surface, estimate its fluorescent brightness under shading environment.
The detection method that anti-fake code detects: intercept a bit of false proof bar from false-proof film, adopts Special precision XRF fluorescence spectrum analyzer to detect kind and the content of coding material, thus accurately detects anti-fake code.
False proof cost, refer to the cost produced false proof polypropylene film comparatively production ordinary polypropylene film and increase, mainly refer to the material cost that false proof bar increases compared with the polypropylene of isodose, the tooling cost of false proof master batch and false proof bar extrude the ratio that cost etc. three accounts for the total cost of polypropylene anti-false film.
Claims (9)
1. a polypropylene anti-false film, is characterized in that, by weight, comprises following component:
Polypropylene 100 parts;
False proof master batch 0.1 ~ 20 part;
Processing aid 0 ~ 1 part;
Wherein, described false proof master batch, by weight percentage, comprises following component:
Vector resin 30 ~ 99.9%;
Fluorescent material 0.01 ~ 15%;
Coding material 0.01 ~ 65%;
Auxiliary agent 0 ~ 3.25%;
Described vector resin is polypropylene.
2. polypropylene anti-false film according to claim 1, it is characterized in that, described coding material is selected from one or more of compound of magnesium, potassium, calcium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, germanium, selenium, strontium, yttrium, zirconium, niobium, molybdenum, palladium, silver, indium, tin, antimony, tellurium, barium, lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, bismuth.
3. polypropylene anti-false film according to claim 1, is characterized in that, described fluorescent material is selected from ultraviolet excited fluorescence powder and/or infrared excitation fluorescent material; Described ultraviolet excited fluorescence powder is preferably the formic acid diimide derivative (1 that excitation wavelength is 360nm perylene, 7-bis-bromo-3,4,9,10-perylene tetracarboxylic acid imide), described infrared excitation fluorescent material is preferably the inorganic rare earth fluorochemical (YErYbF3) that excitation wavelength is 980nm.
4. polypropylene anti-false film according to claim 1, is characterized in that, described auxiliary agent is the mixing of one or more in coupling agent, lubricant, oxidation inhibitor or static inhibitor; Described coupling agent is preferably vinyltriethoxysilane, and described lubricant is preferably stearic acid, and described oxidation inhibitor is preferably 2,6 di tert butyl 4 methyl phenol, and described static inhibitor is preferably polyether ester amides.
5. polypropylene anti-false film according to claim 1, is characterized in that, described processing aid is selected from oxidation inhibitor and/or anti UV agent; Described oxidation inhibitor is preferably four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (antioxidant 1010), described anti UV agent is preferably the tertiary base phenyl of 2-(2-hydroxyl-3,5-bis-fourth)-5-chlorinated benzotriazole (UV-327).
6. polypropylene anti-false film according to claim 1, it is characterized in that: the preparation method of described false proof master batch, vector resin, fluorescent material, coding material and auxiliary agent is comprised the steps: to weigh by proportioning, pour high-speed mixer and mixing into even, 200 ~ 300 DEG C of meltings in twin screw extruder, extruding pelletization, obtains false proof master batch, stand-by.
7. the preparation method of the polypropylene anti-false film as described in any one of claim 1 ~ 6, comprises the steps:
With large and small two extruders respectively by polypropylene, processing aid and false proof master batch extrusion molding to co-extruding machine head, extrude from large forcing machine after polypropylene and processing aid mix, false proof master batch is extruded from little forcing machine, to extrude after double-colored bubble pipe through inflation, traction, rolling, obtain the polypropylene anti-false film with false proof bar.
8. the preparation method of polypropylene anti-false film according to claim 7, the barrel temperature of described large and small two extruders is divided into 3 sections of controls, be followed successively by feeding section 140 ~ 160 DEG C, 180 ~ 210 DEG C, stage casing, leading portion 200 ~ 220 DEG C, co-extruding machine head temperature is 200 ~ 220 DEG C, and blow-up ratio is 2.0 ~ 3.0.
9. the preparation method of polypropylene anti-false film according to claim 7, the false proof bar width on described polypropylene anti-false film is 0.3 ~ 5.0cm.
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| CN201410481983.5A CN104311990A (en) | 2014-09-19 | 2014-09-19 | Polypropylene anti-counterfeiting film and preparation method thereof |
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| CN201410481983.5A CN104311990A (en) | 2014-09-19 | 2014-09-19 | Polypropylene anti-counterfeiting film and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949622A (en) * | 2016-06-17 | 2016-09-21 | 武汉工程大学 | Nano fluorescent fiber anti-counterfeiting film and preparation method thereof |
| CN108239335A (en) * | 2016-12-23 | 2018-07-03 | 新加坡国立大学 | Plastic matrix with luminosity and preparation method thereof |
| CN108299729A (en) * | 2017-12-27 | 2018-07-20 | 浙江普利特新材料有限公司 | A kind of inexpensive, high-efficiency fluorescence polypropylene functional agglomerate and its composite material preparation method |
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| CN101712778A (en) * | 2009-11-25 | 2010-05-26 | 佛山塑料集团股份有限公司 | Biaxially oriented polypropylene film and preparation method thereof |
| CN103467893A (en) * | 2013-10-07 | 2013-12-25 | 上海洞舟实业有限公司 | Infrared light-emitting plastic film |
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2014
- 2014-09-19 CN CN201410481983.5A patent/CN104311990A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101712778A (en) * | 2009-11-25 | 2010-05-26 | 佛山塑料集团股份有限公司 | Biaxially oriented polypropylene film and preparation method thereof |
| CN103467893A (en) * | 2013-10-07 | 2013-12-25 | 上海洞舟实业有限公司 | Infrared light-emitting plastic film |
Non-Patent Citations (1)
| Title |
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| 刘光华主编: "《稀土材料和应用技术》", 31 December 2005, article "《稀土发光和激光材料》" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949622A (en) * | 2016-06-17 | 2016-09-21 | 武汉工程大学 | Nano fluorescent fiber anti-counterfeiting film and preparation method thereof |
| CN105949622B (en) * | 2016-06-17 | 2018-11-06 | 武汉工程大学 | A kind of nano fluorescence fiber false-proof film and preparation method thereof |
| CN108239335A (en) * | 2016-12-23 | 2018-07-03 | 新加坡国立大学 | Plastic matrix with luminosity and preparation method thereof |
| CN108299729A (en) * | 2017-12-27 | 2018-07-20 | 浙江普利特新材料有限公司 | A kind of inexpensive, high-efficiency fluorescence polypropylene functional agglomerate and its composite material preparation method |
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