CN111875829B - High-strength anti-counterfeiting laser packaging material and preparation method thereof - Google Patents
High-strength anti-counterfeiting laser packaging material and preparation method thereof Download PDFInfo
- Publication number
- CN111875829B CN111875829B CN202010679075.2A CN202010679075A CN111875829B CN 111875829 B CN111875829 B CN 111875829B CN 202010679075 A CN202010679075 A CN 202010679075A CN 111875829 B CN111875829 B CN 111875829B
- Authority
- CN
- China
- Prior art keywords
- coating
- product
- parts
- drying
- prepare
- 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.)
- Active
Links
Classifications
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
- C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/42—Applications of coated or impregnated materials
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
The invention discloses a high-strength anti-counterfeiting laser packaging material and a preparation method thereof. The basic lamellar structure of the anti-counterfeiting laser packaging material is formed by arranging the base material, the coatings and the aluminum-plated layer, so that the high-strength tamping basis of the packaging material is realized, the packaging material can fully exert anti-counterfeiting and attractive functions by arranging the plurality of groups of coatings, the strength improvement of the packaging material is promoted, the preparation of the base material, the coatings and the aluminum-plated layer is completed by arranging each process, the performance of each lamellar structure is realized, the anti-counterfeiting and attractive functions of the packaging material can be realized, the high-strength requirement of the packaging material is met, and the anti-counterfeiting laser packaging material is widely popularized and used.
Description
Technical Field
The invention relates to the field of anti-counterfeiting laser packaging, in particular to a high-strength anti-counterfeiting laser packaging material and a preparation method thereof.
Background
The laser anti-counterfeiting technology can meet the requirements of modern product packaging on the coordination and beauty of the comprehensive anti-counterfeiting function and the whole packaging, and some anti-counterfeiting laser packaging materials are easy to tear, influence the transportation and the sales of products, and need to improve the strength of the materials. Therefore, a high-strength anti-counterfeiting laser packaging material and a preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a high-strength anti-counterfeiting laser packaging material and a preparation method thereof, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-strength anti-counterfeiting laser packaging material and a preparation method thereof comprise a base material, a coating and an aluminum coating, and are characterized in that: the coating is arranged above the base material, an aluminum coating layer is arranged above the coating, and the coating sequentially comprises a first coating, a second coating and a third coating from bottom to top.
In above-mentioned technical scheme, through the setting of substrate, coating, aluminize layer, form anti-fake radium-shine packaging material's basic lamellar structure, for realizing packaging material's high strength tamp basis, the setting up of multiunit coating makes packaging material can the full play anti-fake with pleasing to the eye function, has the promotion effect to packaging material's intensity promotion simultaneously.
As a preferred embodiment of the present invention, the substrate comprises the following components by weight: 50-60 parts of PET, 16-24 parts of terephthalic acid, 16-30 parts of ethylene glycol, 0.2-1.2 parts of 1, 6-hexanediol diglycidyl ester, 0.2-0.8 part of 1, 4-butanediol diglycidyl ether and 0.1-0.3 part of silicon dioxide.
In the technical scheme, the PET (polyethylene terephthalate) is used as a basic component of the base material, the PET has high strength, the prepared layer sheet has a flat structure and high tensile strength, and simultaneously has high toughness and can meet the requirement of the packaging material for lamination, and the terephthalic acid, the ethylene glycol, the 1, 6-hexanediol diglycidyl ester and the 1, 4-butanediol diglycidyl ether are polymerized to have excellent mechanical property, so that the nucleation capability of the PET can be improved, the processing and application performance of the PET can be influenced, the impact strength and tensile strength of the PET can be promoted, the processing performance and product performance of the base material can be improved, the silicon dioxide in the base material component can be introduced, and the flexibility and corrosion resistance of the base material can be improved.
As a preferred embodiment of the present invention, the first coating layer comprises the following components by weight: 60-76 parts of PET, 2-6 parts of polyamide resin, 1.0-2.7 parts of polylactic resin, 1.3-3.3 parts of vinyl acetate, 0.4-0.8 part of sodium methacrylate and 0.2-0.6 part of ethyl acrylate.
In the technical scheme, PET (polyethylene terephthalate) is used as a basic component of the first coating to provide necessary strength of the first coating, polyamide resin has better mechanical strength and corrosion resistance, polylactic acid resin has better thermal stability, a polymer taking vinyl acetate as a monomer has better toughness and plasticity and stronger adhesive force, sodium methacrylate is added into a polymer system to promote component dispersion, so that the first coating is uniform in property, and the polymer taking ethyl acrylate as the monomer is soft and better in ductility, so that the first coating has higher cohesiveness and lower viscosity due to the respective properties of the sodium methacrylate and is more suitable for the processing technology of the first coating.
As a preferred embodiment of the present invention, the second coating layer comprises the following components by weight: 60-80 parts of EVA (ethylene vinyl acetate), 2-8 parts of isooctyl acrylate, 3-10 parts of butyl acrylate, 2-8 parts of methyl methacrylate, 0.2-1.5 parts of spiropyran and 1.0-2.0 parts of 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine.
In the technical scheme, EVA (ethylene-vinyl acetate copolymer) is used as a substrate of the second coating and has good flexibility, cohesiveness and tear resistance and impact resistance, isooctyl acrylate can achieve a plasticizing effect, butyl acrylate is a soft monomer, a polymer of the butyl acrylate has good cold resistance, methyl methacrylate is stable in property, the polymer of the butyl acrylate has high transparency and good processability, the components enable the second coating to have good cohesiveness and mechanical and processing properties, spiropyran is a photochromic compound, 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine is a light stabilizer and can capture active free radicals generated by the second coating under the action of ultraviolet rays, and the prepared second coating has good light resistance and can show color under illumination.
As a preferred embodiment of the present invention, the third coating layer comprises the following components by weight: 60-80 parts of PET, 0.1-0.3 part of mica titanium pearl powder, 1.0-2.7 parts of polyvinyl alcohol, 0.2-1.0 part of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and 0.5-1.5 part of 2, 6-di-tert-butyl-p-cresol.
In the technical scheme, the PET (polyethylene terephthalate) is used as a basic component of the first coating to provide the necessary strength of the third coating, the mica titanium pearl powder is a pearl pigment, the color is added to the packaging material, the weather resistance is good, the polyvinyl alcohol has good cohesiveness and toughness, the tensile strength, the tear strength and the weather resistance are good, the pentaerythrityl tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and the 2, 6-di-tert-butyl-p-cresol are used as antioxidants, and the service life of the third coating is prolonged.
A preparation method of a high-strength anti-counterfeiting laser packaging material comprises the following steps:
1) preparing a base material:
adding the silicon dioxide into ethanol water solution, silane coupling agent and oxalic acid, stirring uniformly, washing and drying a reaction product to obtain a product A;
and adding ethylene glycol and terephthalic acid into the product A, uniformly mixing, heating and preserving heat, adding 1, 6-hexanediol diglycidyl ester and 1, 4-butanediol diglycidyl ether, uniformly stirring and preserving heat for a period of time. Vacuum drying the reaction product to obtain a product B;
drying PET, adding the product B, uniformly mixing, extruding and granulating by an extruder, and blow-molding to obtain a base material;
2) preparing a coating:
a) preparing a first coating:
taking vinyl acetate, sodium methacrylate and ethyl acrylate for copolymerization to obtain a product C;
adding the PET into the product C, the polyamide resin and the polylactic acid resin to prepare a first coating, coating the surface of the base material, and drying to prepare a coating D;
carrying out laser heating on the coating D, blowing the molten coating D by using argon to form a three-dimensional pattern, and cooling to obtain a first coating;
b) preparing a second coating:
uniformly mixing isooctyl acrylate, butyl acrylate and methyl methacrylate, heating, and adding an initiator and spiropyran to obtain a product E;
adding the product E and 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine into EVA to prepare a second coating, coating the surface of the first coating, and drying to prepare a second coating;
c) preparing a third coating:
adding polyvinyl alcohol into mica titanium pearl powder, grinding and mixing, adding pure water, stirring, and drying to obtain a product F;
adding PET into the product F, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and 2, 6-di-tert-butyl-p-cresol to prepare a third coating, coating the surface of the second coating, and drying to prepare a third coating;
3) preparing an aluminum plating layer:
and (3) carrying out die pressing on the third coating by taking the laser holographic pattern, carrying out corona treatment on the surface of the die-pressed third coating, carrying out vacuum evaporation on the third coating by using pure aluminum to prepare an aluminum-plated layer, and carrying out heat treatment to obtain a finished product.
In the technical scheme, the preparation of the base material, the coating and the aluminum-plated layer is realized through the arrangement of each process, the performance of each lamellar structure is realized, the anti-counterfeiting and attractive functions of the packaging material can be realized, and the high-strength requirement of the packaging material is met.
As a preferred embodiment of the present invention, the step 1) includes the steps of:
adding silicon dioxide into ethanol water solution, adding silane coupling agent and oxalic acid, stirring uniformly, carrying out ultrasonic treatment, filtering to obtain a reaction product, repeatedly washing with absolute ethyl alcohol, and drying to obtain a product A;
adding ethylene glycol and terephthalic acid into the product A, uniformly mixing, heating to 130-140 ℃, preserving heat for 20-40 min, adding 1, 6-hexanediol diglycidyl ester and 1, 4-butanediol diglycidyl ether, maintaining the temperature at 80-130 ℃, uniformly stirring, preserving heat for 2-3 h, drying the reaction product in a vacuum oven at 100-140 ℃ for 7-10 h, and preparing a product B;
drying PET at 130-140 ℃ for 4-12 h, adding the product B, uniformly mixing, extruding and granulating by an extruder at the extrusion temperature of 260-270 ℃, and then performing blow molding at the blow molding temperature of 250-350 ℃ and the pressure of 8-16 Mpa to obtain the base material.
In the technical scheme, ethylene glycol, terephthalic acid, 1, 6-hexanediol diglycidyl ester and 1, 4-butanediol diglycidyl ether are polymerized and connected with silicon dioxide to realize an inorganic-organic structure, a polymer with better mechanical property is formed, the polymer is connected with PET to increase the molecular chain length of the PET, chain extension of the PET is realized, the melt strength is improved, unstable bubble and inflation rupture during blow molding are avoided, and the defects of processing and performance are overcome; and the toughness is improved, and the problem that the blow molding product is hard and can not meet the product requirement is avoided.
As a preferred embodiment of the present invention, the step 2) includes the steps of:
a) preparing a first coating:
putting polyvinyl alcohol into a reaction kettle, adding pure water and alkylphenol ethoxylates, uniformly mixing, adding vinyl acetate, heating to 65-68 ℃, carrying out heat preservation, dissolving ammonium persulfate in the pure water, slowly adding the mixture into the reaction kettle in a nitrogen atmosphere, carrying out ultrasonic treatment, reacting for 1-3 hours, adding sodium methacrylate and ethyl acrylate, reacting for 3-5 hours, heating to 75-80 ℃, carrying out heat preservation for 45-75 min, and cooling to obtain a product C;
adding dimethyl formamide into PET, adding the product C, polyamide resin and polylactic resin to prepare a first coating, coating the first coating on the surface of a base material, and drying at the temperature of 60-70 ℃ to prepare a coating D;
taking the coating D, carrying out laser heating on the surface of the coating D, blowing the laser-melted coating D by using argon gas, forming a three-dimensional pattern on the surface of the coating D by controlling the change of laser frequency and blowing flow, and rapidly cooling to prepare a first coating;
b) and (3) second coating:
uniformly mixing isooctyl acrylate, butyl acrylate and methyl methacrylate, heating to 130-140 ℃, adding an initiator, preserving heat for 2-3 hours, adding spiropyran, and continuing preserving heat for 2-3 hours to obtain a product E;
adding toluene into EVA, heating to 70-90 ℃, uniformly stirring, respectively adding a product E and 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine, uniformly stirring to obtain a second coating, coating on the surface of the first coating, and drying at 40-80 ℃ to obtain a second coating;
c) and (3) third coating:
adding polyvinyl alcohol into mica titanium pearl powder, grinding and mixing, adding pure water, stirring for 2-4 h, and drying at the temperature of 60-65 ℃ for 24-48 h to obtain a product F;
adding dimethyl formamide into PET, adding the product F, uniformly stirring, adding pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and 2, 6-di-tert-butyl-p-cresol to prepare a third coating, coating the surface of the second coating, and drying at the temperature of 70-90 ℃ to prepare the third coating.
In the technical scheme, in the step a), the first coating is prepared, vinyl acetate, sodium methacrylate and ethyl acrylate are polymerized to form a product C, and then the product C is blended with PET, polyamide resin and polylactic resin to prepare a first coating with certain strength, heat resistance, corrosion resistance and uniform properties, wherein the prepared coating D has high cohesiveness and low viscosity, so that the bonding between a base material and the second coating can be met, the coating D is convenient to process, a molten pit is formed on the surface of the coating D through laser heating, a melt in the molten pit is blown out through blowing, and the laser frequency and the blowing flow rate are controlled to form a transparent three-dimensional pattern on the surface of the coating D, so that a foundation is laid for subsequent processing;
in the step b), preparing a second coating, copolymerizing isooctyl acrylate, butyl acrylate, methyl methacrylate and spiropyran to form a product E, carrying out ring opening under the change of temperature and illumination, simultaneously having photochromic and thermochromic capabilities, blending the product E with EVA to prepare a second coating, and filling a molten pit in the first coating after coating to ensure that the second coating is discolored under the action of light and heat, so as to display a three-dimensional pattern, achieve the aim of photochromic and thermochromic anti-counterfeiting and improve the anti-counterfeiting performance of the packaging material;
and c) preparing the third coating in the step c), namely blending PET, mica titanium pearl powder, polyvinyl alcohol, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and 2, 6-di-tert-butyl-p-cresol to prepare the third coating which is full of pearly luster, has higher strength and weather resistance, and is more convenient to bond with the aluminum plating layer due to the bonding property.
As a preferred embodiment of the invention, the heat treatment temperature in the step 3) is 130-170 ℃, and the heat treatment time is 30-90 min.
In the technical scheme, the bonding of each layer structure among the packaging materials is tighter through the heat treatment in the step 3), and the crystallization or overlarge crystallization of the resin in the packaging materials is avoided, so that the base material and the coating layer obtain better strength and transparency.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the high-strength anti-counterfeiting laser packaging material and the preparation method thereof, the basic lamellar structure of the anti-counterfeiting laser packaging material is formed by arranging the base material, the coating and the aluminum plating layer, so that the anti-counterfeiting and attractive functions of the packaging material can be fully exerted by arranging the plurality of groups of coatings to realize the high-strength tamping foundation of the packaging material, and meanwhile, the strength improvement of the packaging material is promoted.
2. According to the high-strength anti-counterfeiting laser packaging material and the preparation method thereof, the preparation of the base material, the coating and the aluminum-plated layer is completed through the arrangement of the working procedures, the performance of each lamellar structure is realized, the anti-counterfeiting and attractive functions of the packaging material can be realized, and the high-strength requirement of the packaging material is met.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Adding 0.1 part of silicon dioxide into an ethanol water solution, adding a silane coupling agent and oxalic acid, uniformly stirring, carrying out ultrasonic treatment, filtering to obtain a reaction product, repeatedly washing with absolute ethyl alcohol, and drying to obtain a product A; adding 16 parts of ethylene glycol and 16 parts of terephthalic acid into the product A, uniformly mixing, heating to 130 ℃, preserving heat for 20min, adding 0.2 part of 1, 6-hexanediol diglycidyl ester and 0.2 part of 1, 4-butanediol diglycidyl ether, maintaining the temperature at 80 ℃, uniformly stirring, preserving heat for 2h, and drying the reaction product in a vacuum oven at 100 ℃ for 7h to obtain a product B; drying 50 parts of PET at 130 ℃ for 4h, adding the product B, uniformly mixing, extruding and granulating by an extruder at 260 ℃, and then performing blow molding at 250 ℃ and 8Mpa to obtain a base material;
putting polyvinyl alcohol into a reaction kettle, adding pure water and alkylphenol polyoxyethylene, uniformly mixing, adding 1.3 parts of vinyl acetate, heating to 65 ℃ and preserving heat, dissolving ammonium persulfate into pure water, slowly adding into the reaction kettle in a nitrogen atmosphere, performing ultrasonic treatment, reacting for 1h, adding 0.4 part of sodium methacrylate and 0.2 part of ethyl acrylate, reacting for 3h, heating to 75 ℃, preserving heat for 45min, and cooling to obtain a product C; adding 60 parts of PET into dimethylformamide, adding the product C, 2 parts of polyamide resin and 1.0 part of polylactic resin to prepare a first coating, coating the surface of a substrate, and drying at the temperature of 60 ℃ to prepare a coating D; taking the coating D, carrying out laser heating on the surface of the coating D, blowing the laser-melted coating D by using argon gas, forming a three-dimensional pattern on the surface of the coating D by controlling the change of laser frequency and blowing flow, and rapidly cooling to prepare a first coating;
uniformly mixing 2 parts of isooctyl acrylate, 3 parts of butyl acrylate and 2 parts of methyl methacrylate, heating to 130 ℃, adding an initiator, preserving heat for 2 hours, adding 0.2 part of spiropyran, and continuing preserving heat for 2 hours to obtain a product E; adding 60 parts of EVA into toluene, heating to 70 ℃, uniformly stirring, respectively adding the product E and 1.0 part of 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine, uniformly stirring to obtain a second coating, coating on the surface of the first coating, and drying at 40 ℃ to obtain a second coating;
adding 1.0 part of polyvinyl alcohol into 0.1 part of mica titanium pearl powder, grinding and mixing, adding pure water, stirring for 2 hours, and drying at the temperature of 60 ℃ for 24 hours to obtain a product F; adding 60 parts of PET into dimethylformamide, adding the product F into the PET, uniformly stirring the mixture, adding 0.2 part of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and 0.5 part of 2, 6-di-tert-butyl-p-cresol into the mixture to prepare a third coating, coating the surface of the second coating, and drying the coating at the temperature of 70 ℃ to prepare a third coating;
and (3) carrying out die pressing on the third coating by taking the laser holographic pattern, carrying out corona treatment on the surface of the die-pressed third coating, carrying out vacuum evaporation on the third coating by using pure aluminum to prepare an aluminum-plated layer, and carrying out heat treatment, wherein the heat treatment temperature is 130 ℃, and the heat treatment time is 30min, thus obtaining the finished product.
Example 2
Adding 0.2 of silicon dioxide into ethanol water solution, adding a silane coupling agent and oxalic acid, stirring uniformly, carrying out ultrasonic treatment, filtering to obtain a reaction product, repeatedly washing with absolute ethyl alcohol, and drying to obtain a product A; adding 23 glycol and 20 phthalic acid into the product A, uniformly mixing, heating to 135, preserving heat for 3 min, adding 0.71, 6-hexanediol diglycidyl ester and 0.51, 4-butanediol diglycidyl ether, maintaining the temperature at 105, uniformly stirring, preserving heat for 2.5h, drying the reaction product in a vacuum oven at 120 ℃ for 8.5h, and obtaining a product B; drying 55 parts of PET at 135 ℃ for 8h, adding the product B, uniformly mixing, extruding and granulating by an extruder at the extrusion temperature of 265 ℃, and then performing blow molding at the blow molding temperature of 300 ℃ and the pressure of 12Mpa to obtain a base material;
putting polyvinyl alcohol into a reaction kettle, adding pure water and alkylphenol polyoxyethylene, uniformly mixing, adding 2.3 parts of vinyl acetate, heating to 67 ℃, preserving heat, dissolving ammonium persulfate in pure water, slowly adding into the reaction kettle in a nitrogen atmosphere, performing ultrasonic treatment, reacting for 2 hours, adding 0.6 part of sodium methacrylate and 0.4 part of ethyl acrylate, reacting for 4 hours, heating to 77 ℃, preserving heat for 60 minutes, and cooling to obtain a product C; adding 68 parts of PET into dimethylformamide, adding the product C, 4 parts of polyamide resin and 1.8 parts of polylactic resin to prepare a first coating, coating the surface of a substrate, and drying at the temperature of 65 ℃ to prepare a coating D; taking the coating D, carrying out laser heating on the surface of the coating D, blowing the laser-melted coating D by using argon gas, forming a three-dimensional pattern on the surface of the coating D by controlling the change of laser frequency and blowing flow, and rapidly cooling to prepare a first coating;
uniformly mixing 5 parts of isooctyl acrylate, 6 parts of butyl acrylate and 5 parts of methyl methacrylate, heating to 135 ℃, adding an initiator, preserving heat for 2.5 hours, adding 0.8 part of spiropyran, and continuously preserving heat for 2.5 hours to obtain a product E; adding 70 parts of EVA into toluene, heating to 80 ℃, uniformly stirring, respectively adding the product E and 1.5 parts of 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine, uniformly stirring to obtain a second coating, coating on the surface of the first coating, and drying at 60 ℃ to obtain a second coating;
adding 1.8 parts of polyvinyl alcohol into 0.2 part of mica titanium pearl powder, grinding and mixing, adding pure water, stirring for 3 hours, and drying at 63 ℃ for 36 hours to obtain a product F; adding 70 parts of PET into dimethylformamide, adding the product F into the PET, uniformly stirring the mixture, adding 0.6 part of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and 1 part of 2, 6-di-tert-butyl-p-cresol into the mixture to prepare a third coating, coating the surface of the second coating, and drying the coating at the temperature of 80 ℃ to prepare a third coating;
and (3) carrying out die pressing on the third coating by taking the laser holographic pattern, carrying out corona treatment on the surface of the die-pressed third coating, carrying out vacuum evaporation on the third coating by using pure aluminum to prepare an aluminum-plated layer, and carrying out heat treatment, wherein the heat treatment temperature is 150 ℃, and the heat treatment time is 60min, so as to obtain a finished product.
Example 3
Adding 0.3 part of silicon dioxide into an ethanol water solution, adding a silane coupling agent and oxalic acid, uniformly stirring, carrying out ultrasonic treatment, filtering to obtain a reaction product, repeatedly washing with absolute ethyl alcohol, and drying to obtain a product A; adding 30 parts of ethylene glycol and 24 parts of terephthalic acid into the product A, uniformly mixing, heating to 140 ℃, preserving heat for 40min, adding 1.2 parts of 1, 6-hexanediol diglycidyl ester and 0.8 part of 1, 4-butanediol diglycidyl ether, maintaining the temperature at 130 ℃, uniformly stirring, preserving heat for 3h, drying the reaction product in a vacuum oven at 140 ℃ for 10h, and preparing a product B; drying 60 parts of PET at 140 ℃ for 12h, adding the product B, uniformly mixing, extruding and granulating by an extruder at the extrusion temperature of 270 ℃, and then performing blow molding at the blow molding temperature of 350 ℃ and under the pressure of 16Mpa to obtain a base material;
putting polyvinyl alcohol into a reaction kettle, adding pure water and alkylphenol polyoxyethylene, uniformly mixing, adding 3.3 parts of vinyl acetate, heating to 68 ℃, preserving heat, dissolving ammonium persulfate in pure water, slowly adding into the reaction kettle in a nitrogen atmosphere, carrying out ultrasonic treatment, reacting for 3 hours, adding 0.8 part of sodium methacrylate and 0.6 part of ethyl acrylate, reacting for 5 hours, heating to 80 ℃, preserving heat for 75min, and cooling to obtain a product C; adding 76 parts of PET into dimethylformamide, adding the product C, 6 parts of polyamide resin and 2.7 parts of polylactic resin to prepare a first coating, coating the surface of a substrate, and drying at the temperature of 70 ℃ to prepare a coating D; taking the coating D, carrying out laser heating on the surface of the coating D, blowing the laser-melted coating D by using argon gas, forming a three-dimensional pattern on the surface of the coating D by controlling the change of laser frequency and blowing flow, and rapidly cooling to prepare a first coating;
uniformly mixing 8 parts of isooctyl acrylate, 10 parts of butyl acrylate and 8 parts of methyl methacrylate, heating to 140 ℃, adding an initiator, preserving heat for 3 hours, adding 1.5 parts of spiropyran, and continuing preserving heat for 3 hours to obtain a product E; adding 80 parts of EVA into toluene, heating to 90 ℃, uniformly stirring, respectively adding the product E and 2.0 parts of 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine, uniformly stirring to obtain a second coating, coating on the surface of the first coating, and drying at 80 ℃ to obtain a second coating;
adding 2.7 parts of polyvinyl alcohol into 0.3 part of mica titanium pearl powder, grinding and mixing, adding pure water, stirring for 4 hours, and drying at the temperature of 65 ℃ for 48 hours to obtain a product F; adding 80 parts of PET into dimethylformamide, adding the product F into the PET, uniformly stirring the mixture, adding 1.0 part of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and 1.5 parts of 2, 6-di-tert-butyl-p-cresol into the mixture to prepare a third coating, coating the surface of the second coating, and drying the coating at the temperature of 90 ℃ to prepare a third coating;
and (3) carrying out die pressing on the third coating by taking the laser holographic pattern, then carrying out corona treatment on the surface of the die-pressed third coating, carrying out vacuum evaporation on the third coating by using pure aluminum to prepare an aluminum-plated layer, and carrying out heat treatment, wherein the heat treatment temperature is 170 ℃, and the heat treatment time is 90min, thus obtaining the finished product.
Experiment of
The process parameters in examples 2-3 were different compared to example 1;
taking the anti-counterfeiting laser packaging material prepared in the embodiment 1-3 and a common anti-counterfeiting laser packaging material, respectively detecting the tensile strength and the tear strength of the anti-counterfeiting laser packaging material and recording the detection results;
the tensile strength and tear strength test procedure was: taking a sample, placing the sample on a tension tester at room temperature, clamping the sample, keeping the sample flat, and testing; wherein the size of the test sample in the tensile strength test is 15 multiplied by 15mm, and the test sample in the tearing strength test is a T-shaped test sample.
From the data in the table above, it is clear that the following conclusions can be drawn:
the anti-counterfeiting laser packaging material prepared in the embodiment 1-3 is compared with a common anti-counterfeiting laser packaging material, and the detection result shows that the tensile strength and the tear strength of the anti-counterfeiting laser packaging material prepared in the embodiment 1-3 are obviously improved compared with a comparison ratio, which fully shows that the tensile strength and the tear strength of the anti-counterfeiting laser packaging material can be improved, the strength of the anti-counterfeiting laser packaging material is improved, the effect is stable, and the practicability is higher.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. The utility model provides a laser packaging material that high strength is anti-fake, includes substrate, coating and aluminize layer, its characterized in that: a coating is arranged above the base material, an aluminum-plated layer is arranged above the coating, and the coating sequentially comprises a first coating, a second coating and a third coating from bottom to top;
the base material comprises the following components in parts by weight: 50-60 parts of PET, 16-24 parts of terephthalic acid, 16-30 parts of ethylene glycol, 0.2-1.2 parts of 1, 6-hexanediol diglycidyl ester, 0.2-0.8 part of 1, 4-butanediol diglycidyl ether and 0.1-0.3 part of silicon dioxide;
the first coating comprises the following components in parts by weight: 60-76 parts of PET, 2-6 parts of polyamide resin, 1.0-2.7 parts of polylactic resin, 1.3-3.3 parts of vinyl acetate, 0.4-0.8 part of sodium methacrylate and 0.2-0.6 part of ethyl acrylate.
2. The high-strength anti-counterfeiting laser packaging material according to claim 1, wherein the second coating comprises the following components in parts by weight: 60-80 parts of EVA, 2-8 parts of isooctyl acrylate, 3-10 parts of butyl acrylate, 2-8 parts of methyl methacrylate, 0.2-1.5 parts of spiropyran and 1.0-2.0 parts of 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine.
3. The high-strength anti-counterfeiting laser packaging material according to claim 1, wherein the third coating comprises the following components in parts by weight: 60-80 parts of PET, 0.1-0.3 part of mica titanium pearl powder, 1.0-2.7 parts of polyvinyl alcohol, 0.2-1.0 part of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and 0.5-1.5 part of 2, 6-di-tert-butyl-p-cresol.
4. A preparation method of a high-strength anti-counterfeiting laser packaging material is characterized by comprising the following steps:
1) preparing a base material:
adding the silicon dioxide into ethanol water solution, silane coupling agent and oxalic acid, stirring uniformly, washing and drying a reaction product to obtain a product A;
adding the product A into ethylene glycol and terephthalic acid, uniformly mixing, heating and preserving heat, then adding 1, 6-hexanediol diglycidyl ester and 1, 4-butanediol diglycidyl ether, uniformly stirring and preserving heat for a period of time; vacuum drying the reaction product to obtain a product B;
drying PET, adding the product B, uniformly mixing, extruding and granulating by an extruder, and then carrying out blow molding to obtain a base material;
preparing a coating:
preparing a first coating:
taking vinyl acetate, sodium methacrylate and ethyl acrylate for copolymerization to prepare a product C;
adding the PET into the product C, the polyamide resin and the polylactic acid resin to prepare a first coating, coating the surface of the base material, and drying to prepare a coating D;
carrying out laser heating on the coating D, blowing the molten coating D by using argon gas to form a three-dimensional pattern, and cooling to obtain a first coating;
preparing a second coating:
uniformly mixing isooctyl acrylate, butyl acrylate and methyl methacrylate, heating, and adding an initiator and spiropyran to obtain a product E;
adding the product E and 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine into EVA to prepare a second coating, coating the surface of the first coating, and drying to prepare a second coating;
preparing a third coating:
adding polyvinyl alcohol into mica titanium pearl powder, grinding and mixing, adding pure water, stirring, and drying to obtain a product F;
adding the product F, the pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and the 2, 6-di-tert-butyl-p-cresol into PET to prepare a third coating, coating the surface of the second coating, and drying to prepare a third coating;
preparing an aluminum plating layer:
and (3) carrying out die pressing on the third coating by taking the laser holographic pattern, carrying out corona treatment on the surface of the die-pressed third coating, carrying out vacuum evaporation on the third coating by using pure aluminum to prepare an aluminum-plated layer, and carrying out heat treatment to obtain a finished product.
5. The method for preparing a high-strength anti-counterfeiting laser packaging material according to claim 4, wherein the step 1) comprises the following steps:
adding silicon dioxide into ethanol water solution, adding silane coupling agent and oxalic acid, stirring uniformly, carrying out ultrasonic treatment, filtering to obtain a reaction product, repeatedly washing with absolute ethyl alcohol, and drying to obtain a product A;
adding ethylene glycol and terephthalic acid into the product A, uniformly mixing, heating to 130-140 ℃, preserving heat for 20-40 min, adding 1, 6-hexanediol diglycidyl ester and 1, 4-butanediol diglycidyl ether, maintaining the temperature at 80-130 ℃, uniformly stirring, preserving heat for 2-3 h, drying the reaction product in a vacuum oven at 100-140 ℃ for 7-10 h, and preparing a product B;
drying PET at 130-140 ℃ for 4-12 h, adding the product B, uniformly mixing, extruding and granulating by an extruder at the extrusion temperature of 260-270 ℃, and then performing blow molding at the blow molding temperature of 250-350 ℃ and the pressure of 8-16 Mpa to obtain the base material.
6. The method for preparing a high-strength anti-counterfeiting laser packaging material according to claim 4, wherein the step 2) comprises the following steps:
preparing a first coating:
putting polyvinyl alcohol into a reaction kettle, adding pure water and alkylphenol ethoxylates, uniformly mixing, adding vinyl acetate, heating to 65-68 ℃, carrying out heat preservation, dissolving ammonium persulfate in the pure water, slowly adding the mixture into the reaction kettle in a nitrogen atmosphere, carrying out ultrasonic treatment, reacting for 1-3 hours, adding sodium methacrylate and ethyl acrylate, reacting for 3-5 hours, heating to 75-80 ℃, carrying out heat preservation for 45-75 min, and cooling to obtain a product C;
adding dimethyl formamide into PET, adding the product C, polyamide resin and polylactic resin to prepare a first coating, coating the first coating on the surface of a base material, and drying at the temperature of 60-70 ℃ to prepare a coating D;
taking the coating D, carrying out laser heating on the surface of the coating D, blowing the laser-melted coating D by using argon gas, forming a three-dimensional pattern on the surface of the coating D by controlling the change of laser frequency and blowing flow, and rapidly cooling to prepare a first coating;
and (3) second coating:
uniformly mixing isooctyl acrylate, butyl acrylate and methyl methacrylate, heating to 130-140 ℃, adding an initiator, preserving heat for 2-3 hours, adding spiropyran, and continuously preserving heat for 2-3 hours to obtain a product E;
adding toluene into EVA, heating to 70-90 ℃, uniformly stirring, respectively adding a product E and 4-benzoyloxy-2, 2, 6, 6-tetramethylpiperidine, uniformly stirring to obtain a second coating, coating on the surface of the first coating, and drying at 40-80 ℃ to obtain a second coating;
and (3) third coating:
adding polyvinyl alcohol into mica titanium pearl powder, grinding and mixing, adding pure water, stirring for 2-4 h, and drying at the temperature of 60-65 ℃ for 24-48 h to obtain a product F;
adding dimethyl formamide into PET, adding the product F, uniformly stirring, adding pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and 2, 6-di-tert-butyl-p-cresol to prepare a third coating, coating the surface of the second coating, and drying at the temperature of 70-90 ℃ to prepare the third coating.
7. The method for preparing a high-strength anti-counterfeiting laser packaging material according to claim 4, wherein the heat treatment temperature in the step 3) is 130-170 ℃, and the heat treatment time is 30-90 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679075.2A CN111875829B (en) | 2020-07-15 | 2020-07-15 | High-strength anti-counterfeiting laser packaging material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679075.2A CN111875829B (en) | 2020-07-15 | 2020-07-15 | High-strength anti-counterfeiting laser packaging material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111875829A CN111875829A (en) | 2020-11-03 |
| CN111875829B true CN111875829B (en) | 2022-05-27 |
Family
ID=73151408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010679075.2A Active CN111875829B (en) | 2020-07-15 | 2020-07-15 | High-strength anti-counterfeiting laser packaging material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111875829B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661999B (en) * | 2020-12-06 | 2022-08-16 | 江苏新光镭射包装材料股份有限公司 | Platinum light beam laser packaging material and preparation process thereof |
| CN116284930B (en) * | 2023-03-29 | 2023-11-28 | 珠海嘉雄包装材料有限公司 | Degradable environment-friendly anti-counterfeiting packaging material and preparation method thereof |
| CN118024702B (en) * | 2024-04-15 | 2024-06-07 | 合力包装科技(青州)有限公司 | Laser film composite material for roof package and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3442686A (en) * | 1964-03-13 | 1969-05-06 | Du Pont | Low permeability transparent packaging films |
| CN201998589U (en) * | 2011-01-17 | 2011-10-05 | 深圳市天意通防伪包装材料有限公司 | Color printing holographic pattern transfer film |
| CN104960351B (en) * | 2015-07-07 | 2018-01-19 | 山东泰宝防伪技术产品有限公司 | On Orgnic Luminous Materials information anti-fake stamping systems and preparation method thereof |
| CN105818559B (en) * | 2016-03-18 | 2018-12-25 | 江苏金恒新型包装材料有限公司 | A kind of laser anti-counterfeiting material and its processing technology for Key works Drug packing |
| CN109468053B (en) * | 2018-09-26 | 2021-03-30 | 江苏乘鹰新材料股份有限公司 | Color-changeable UV (ultraviolet) -composite laser coating composition |
| CN110258186A (en) * | 2019-06-28 | 2019-09-20 | 安徽紫江喷铝环保材料有限公司 | It is a kind of brilliant to bore credit and dodge laser anti-counterfeiting packaging material and its manufacturing method |
| CN110284372B (en) * | 2019-07-01 | 2023-05-30 | 安徽顺彤包装材料有限公司 | Laser transfer paper and production process thereof |
-
2020
- 2020-07-15 CN CN202010679075.2A patent/CN111875829B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111875829A (en) | 2020-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111875829B (en) | High-strength anti-counterfeiting laser packaging material and preparation method thereof | |
| CN105764981B (en) | acrylic resin film | |
| CN106661150A (en) | Methacrylic resin or methacrylic resin composition | |
| US4558098A (en) | Methacrylic resin composition | |
| AU726562B2 (en) | Method for producing resin article having undercut shape | |
| CN106349411A (en) | Toughening modifying agent for transparent polyvinyl chloride product and high-transparency polyvinyl chloride mixture | |
| CA2134305C (en) | Craze resistant transparent sheet | |
| WO2021008321A1 (en) | Polyacrylate polymer composite material and preparation method therefor | |
| JPH05500782A (en) | White pigmented, melt-stable ethylene/carboxylic acid copolymer laminate and adhesive compositions | |
| CN115926415A (en) | PC/PMMA/ASA ternary alloy material and preparation method and application thereof | |
| JPS5998156A (en) | Acrylic resin composition having excellent heat resistance and impact resistance | |
| CN106947118A (en) | A kind of biodegradable thermoplastic's material and its processing method and application | |
| TW202016180A (en) | An easily stretchable and modified polyester film used for in-mold decoration film having excellent stretchability and heat resistance, and high light transmittance | |
| JPH0129220B2 (en) | ||
| JPS61141715A (en) | Heat-resistant copolymer resin, its production and optical element comprising the same | |
| JPH09207196A (en) | Poly(methyl methacrylate) extruded plate and manufacture thereof | |
| CN107365470A (en) | A kind of high heat-resisting HI high impact PMMA resins and preparation method thereof | |
| CN100584883C (en) | Fast gel type impact processing modifier for PVC | |
| CN113512265A (en) | Preparation method of anodic oxidation effect imitation spraying-free aesthetic ABS material | |
| CN114316424B (en) | Transparent weather-proof PP/PS composite material and preparation method thereof | |
| CN108070146A (en) | A kind of acrylic resin composite material and preparation method thereof | |
| CN114393758A (en) | Preparation method of die-cast simulated emerald texture cap emblem | |
| CN112961483A (en) | PMAA composition applied to cosmetic container and preparation method thereof | |
| CN115044302A (en) | Modified EVA hot melt adhesive and precious metal commemorative coin are with hot tectorial membrane | |
| CN112062982A (en) | Method for modifying acrylic polymethyl methacrylate |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |