CN108753212B - Water-based composite adhesive and manufacturing method of holographic positioning transfer paper - Google Patents
Water-based composite adhesive and manufacturing method of holographic positioning transfer paper Download PDFInfo
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- CN108753212B CN108753212B CN201810816725.6A CN201810816725A CN108753212B CN 108753212 B CN108753212 B CN 108753212B CN 201810816725 A CN201810816725 A CN 201810816725A CN 108753212 B CN108753212 B CN 108753212B
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09J131/04—Homopolymers or copolymers of vinyl acetate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
- B41M5/426—Intermediate, backcoat, or covering layers characterised by inorganic compounds, e.g. metals, metal salts, metal complexes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
- B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
- C09J125/08—Copolymers of styrene
- C09J125/14—Copolymers of styrene with unsaturated esters
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J141/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur; Adhesives based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
Abstract
A method for manufacturing water-based composite adhesive and holographic positioning transfer paper relates to the technical field of packaging and printing. The water-based composite adhesive is mainly prepared from the following raw materials in parts by weight: 40-65 parts of an acrylate emulsion; 2-10 parts of a penetrating agent; 0.2-6 parts of a crosslinking agent; 0.1-1 part of an auxiliary agent; and 20-55 parts of solvent, the water-based composite adhesive has good adhesiveness, can permeate through the aluminized layer, and is suitable for manufacturing holographic positioning transfer paper. The holographic positioning transfer paper is produced by forming a positioning holographic layer on the surface of a base film layer; forming an aluminum coating on the surface with the holographic microstructure, and copying the aluminum coating to form the holographic microstructure; the method has the advantages that one side with the aluminum coating is compounded with the paper base by using the water-based composite adhesive, the holographic positioning composite film is peeled, and the water-based composite adhesive forms a composite adhesive layer and a protective layer.
Description
Technical Field
The invention relates to the technical field of packaging and printing, in particular to a method for manufacturing water-based composite adhesive and holographic positioning transfer paper.
Background
The holographic transfer paper is a packaging material or a packaging printing material developed in recent years, has an anti-counterfeiting function, and can replace a process of gilding and transferring a holographic pattern on a large area of a packaging product or a packaging printing product. The holographic transfer paper provides an individualized holographic positioning pattern, is beneficial to register printing in the subsequent secondary register printing, and has better anti-counterfeiting property and aesthetic property. The holographic transfer paper has good metal texture and anti-counterfeiting and environmental-friendly properties, so the holographic transfer paper is popular in the field of packaging and is widely applied to cigarette and wine packaging, daily chemical product packaging and medicine packaging box food packaging.
The production process of the holographic positioning transfer paper in the prior art comprises the following steps: 1) coating transfer paint on the surface of the base film; 2) molding a holographic positioning pattern on the surface of the transfer coating; 3) plating aluminum on the surface of the holographic positioning pattern; 4) coating water-based composite adhesive on the aluminum-plated layer and then compounding the aluminum-plated layer with a paper substrate; 5) peeling the base film; 6) and (6) top coating. Although the production process can obtain paper with high glossiness and high flatness, the production process has the disadvantages of long production flow, high material consumption and high cost.
In view of the fact that the market competition of the current packaging and printing industry is intense, the cost pressure is high, and the holographic positioning transfer paper product is still in the conditions of splicing quality stability and splicing price, a new holographic positioning transfer paper manufacturing method needs to be developed to simplify the production flow, reduce the material consumption and the production cost and improve the market competitiveness of the product.
Disclosure of Invention
The invention aims to provide the water-based composite adhesive which is good in adhesive property, can penetrate through an aluminized layer to form a protective layer, does not need to be coated with protective varnish subsequently, and is suitable for manufacturing holographic positioning transfer paper.
The invention also aims to provide a method for manufacturing the holographic positioning transfer paper, which can remarkably simplify the production flow, reduce the production cost and improve the market competitiveness of the product while ensuring the quality stability of the holographic positioning transfer paper.
The embodiment of the invention is realized by the following steps:
the water-based composite adhesive is mainly prepared from the following raw materials in parts by weight:
the acrylic ester emulsion is mainly prepared from the following raw materials in parts by weight:
in a preferred embodiment of the present invention, the penetrating agent is a mixture of polyoxyethylene ether and sodium sulfosuccinate; the cross-linking agent is one or two of hexamethylene diamine and adipic dihydrazide.
In a preferred embodiment of the present invention, the auxiliary agent is one or two of polydimethylsiloxane and hydroxymethyl cellulose; the solvent is one or two of water and ethanol.
In a preferred embodiment of the present invention, the hard monomer is one or two of styrene, vinyl acetate and methyl methacrylate; the soft monomer is one or more than two of ethyl acrylate, butyl acrylate and isooctyl acrylate; the functional monomer is one or two of hydroxypropyl acrylate and hydroxyethyl acrylate.
In a preferred embodiment of the present invention, the emulsifier is one or more selected from the group consisting of vinyl sulfonate, sodium dodecylbenzenesulfonate and polyoxyethylene octylphenyl ether.
In a preferred embodiment of the present invention, the initiator is one or both of ammonium persulfate and potassium persulfate.
A method for manufacturing holographic positioning transfer paper comprises the following steps:
s1, forming a positioning holographic layer on the surface of the base film layer, wherein the surface of the positioning holographic layer, which is far away from the base film layer, is provided with a holographic microstructure to obtain a holographic positioning composite film;
s2, forming an aluminum plating layer on the surface of the positioning holographic layer with the holographic microstructure, and copying the surface of the aluminum plating layer close to the positioning holographic layer to form the holographic microstructure to obtain a holographic positioning aluminum plating film;
s3, compounding the side, with the aluminum coating, of the holographic positioning aluminum coating with the paper base by using the water-based composite adhesive, peeling off the holographic positioning composite film, forming a composite adhesive layer by using part of the water-based composite adhesive, and forming a protective layer on the surface, with the holographic microstructure, of the aluminum coating by using the rest of the water-based composite adhesive to penetrate through the aluminum coating, so that the holographic positioning transfer paper is obtained, the holographic effect is well maintained, and the defects of whitening, light loss and the like cannot occur.
In the preferred embodiment of the invention, the holographic positioning composite film is repeatedly utilized, and the steps S2-S3 are repeated to obtain the holographic positioning transfer paper.
In the preferred embodiment of the present invention, in step S2, the peel strength between the aluminum layer 210 and the positioning holographic layer 120 is less than 0.5N/CM.
In a preferred embodiment of the present invention, the method for preparing the holographic positioning composite film comprises: corona is carried out on the surface of the basement membrane layer to enable the surface tension to reach 42-56 dyn/cm; and coating imaging paint on the corona surface of the base film layer, and molding the holographic microstructure to form the positioning holographic layer.
The embodiment of the invention has the beneficial effects that: the water-based composite adhesive provided by the embodiment of the invention is mainly prepared from the following raw materials in parts by weight: 40-65 parts of an acrylate emulsion; 2-10 parts of a penetrating agent; 0.2-6 parts of a crosslinking agent; 0.1-1 part of an auxiliary agent; and 20-55 parts of a solvent, wherein the acrylate emulsion is mainly prepared from the following raw materials in parts by weight: 15-30 parts of a hard monomer; 10-30 parts of a soft monomer; 2-12 parts of a functional monomer; 0.1-5 parts of an emulsifier; 0.1-1 part of an initiator; 30-70 parts of deionized water, the water-based composite adhesive has good adhesiveness, can penetrate through the aluminized layer to form a protective layer, does not need to be coated with protective varnish subsequently, has good holographic effect, and does not have the defects of whitening, light loss and the like. The method is suitable for manufacturing holographic positioning transfer paper. The manufacturing method of the holographic positioning transfer paper comprises the steps of forming a positioning holographic layer on the surface of a base film layer, wherein a holographic microstructure is arranged on the surface, far away from the base film layer, of the positioning holographic layer, so that a holographic positioning composite film is obtained; forming an aluminum plating layer on the surface of the positioning holographic layer with the holographic microstructure, and copying the aluminum plating layer close to the surface of the positioning holographic layer to form the holographic microstructure to obtain a holographic positioning aluminum plating film; the method comprises the steps of compounding one side, provided with an aluminum coating, of the holographic positioning aluminum coating with a paper base by using an aqueous composite adhesive, peeling off the holographic positioning composite film, forming a composite adhesive layer by using part of the aqueous composite adhesive, enabling the rest of the aqueous composite adhesive to penetrate through the aluminum coating, and forming a protective layer on the surface, provided with the holographic microstructure, of the aluminum coating to obtain the holographic positioning transfer paper.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a holographic positioning composite film according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a holographic positioning aluminizer according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of holographic positioning transfer paper according to an embodiment of the present invention.
Icon: 100-holographic positioning composite film; 110-a base film layer; 120-positioning the holographic layer; 121-holographic microstructure; 200-holographic positioning of an aluminizer; 210-plating an aluminum layer; 300-holographic positioning transfer paper; 310-paper base; 320-a composite glue layer; 330-protective layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The following is a detailed description of the method for manufacturing the aqueous composite adhesive and the holographic positioning transfer paper of the embodiment of the invention.
The embodiment of the invention provides a water-based composite adhesive which is mainly prepared from the following raw materials in parts by weight: 40-65 parts of an acrylate emulsion; 2-10 parts of a penetrating agent; 0.2-6 parts of a crosslinking agent; 0.1-1 part of an auxiliary agent; 20-55 parts of a solvent.
Wherein, the penetrating agent can be a mixture of polyoxyethylene ether and sodium sulfosuccinate; the cross-linking agent can be one or two of hexamethylene diamine and adipic dihydrazide; the auxiliary agent can be one or two of polydimethylsiloxane and hydroxymethyl cellulose; the solvent may be one or both of water and ethanol.
The acrylic ester emulsion is mainly prepared from the following raw materials in parts by weight: 15-30 parts of a hard monomer; 10-30 parts of a soft monomer; 2-12 parts of a functional monomer; 0.1-5 parts of an emulsifier; 0.1-1 part of an initiator; 30-70 parts of deionized water. In the raw materials of the acrylic ester emulsion, the hard monomer can be one or two of styrene, vinyl acetate and methyl methacrylate; the soft monomer can be one or more than two of ethyl acrylate, butyl acrylate and isooctyl acrylate; the functional monomer can be one or two of hydroxypropyl acrylate and hydroxyethyl acrylate; the emulsifier can be one or more than two of vinyl sulfonate, sodium dodecyl benzene sulfonate and polyoxyethylene octyl phenyl ether; the initiator may be one or both of ammonium peroxodisulfate and potassium peroxodisulfate.
The waterborne composite adhesive in the embodiment has good adhesiveness and permeability, can permeate through the aluminum coating, and is suitable for manufacturing holographic positioning transfer paper.
Referring to fig. 1 to 3, the present embodiment further provides a method for manufacturing the holographic positioning transfer paper 300, which includes the following steps:
s1, manufacturing a holographic positioning composite film 100: forming a positioning holographic layer 120 on the surface of the base film layer 110, and arranging a holographic microstructure 121 on the surface of the positioning holographic layer 120 away from the base film layer 110 to obtain a holographic positioning composite film 100, wherein the structure is shown in fig. 1, the holographic positioning composite film 100 comprises the base film layer 110 and the positioning holographic layer 120, and the holographic microstructure 121 is arranged on the surface of the positioning holographic layer 120, wherein the base film layer 110 is one of a PET film, a PVC film, and a PC film.
In some embodiments of the present invention, the holographic positioning composite film 100 is produced by:
(1) pretreatment of the base film layer 110: and carrying out corona treatment on the surface of the base film layer 110 to ensure that the surface tension reaches 42-56 dyn/cm.
(2) Coating: an imaging coating is applied to the corona side of the base film layer 110 and the holographic microstructures 121 are embossed to form the positioning holographic layer 120.
S2, vacuum aluminum plating: vacuum aluminum plating is carried out on the surface of the positioning holographic layer 120 with the holographic microstructure 121 to form an aluminum plating layer 210, the thickness of the aluminum plating layer 210 is generally 250-350 angstroms, the holographic microstructure 121 is formed by copying the aluminum plating layer 210 close to the surface of the positioning holographic layer 120, and a holographic positioning aluminum plating film 200 is obtained and has the structure shown in fig. 2.
In this step, the peeling strength between the aluminum layer 210 and the positioning hologram layer 120 is made less than 0.5N/CM, and the peeling strength between the positioning hologram layer 120 and the aluminum layer 210 is made to satisfy the condition by controlling the composition of the positioning hologram layer 120, for example, by adding a surfactant, so that the holographic positioning composite film 100 can be easily peeled from the aluminum layer 210 and can be reused.
S3, compound transfer: the holographic positioning aluminum-plated film 200 is compounded with the paper base 310 on the side with the aluminum-plated layer 210 by the water-based composite adhesive, the holographic positioning composite film 100 is peeled off, part of the water-based composite adhesive forms a composite adhesive layer 320, the rest of the water-based composite adhesive penetrates through the aluminum-plated layer 210, and a protective layer 330 is formed on the surface of the aluminum-plated layer 210 with the holographic microstructures 121, so that the holographic positioning transfer paper 300 is obtained, the holographic effect is kept good, and the defects of whitening, light loss and the like cannot occur. The structure is shown in fig. 3, the holographic positioning transfer paper 300 includes a paper base 310, a composite adhesive layer 320, an aluminum-plated layer 210, and a protective layer 330, which are sequentially stacked from bottom to top, and the holographic microstructure 121 is disposed on the upper surface of the aluminum-plated layer 210. Wherein the thickness of the composite adhesive layer 320 is generally 1 to 5 μm; the thickness of the aluminum layer 210 is generally 250 to 350 angstroms; the thickness of the passivation layer 330 is generally 0.5 to 1 μm.
The aqueous composite adhesive adopted in the embodiment has permeability, in the compounding process, the aqueous composite adhesive can partially permeate through the aluminum layer 210 under the action of the penetrant polyoxyethylene ether and the sodium sulfosuccinate, and when the holographic positioning composite film 100 is peeled, the aqueous composite adhesive can form the protective layer 330 on the surface of the aluminum layer 210, so that the protective layer has certain scratch resistance, and other protective layers 330 do not need to be additionally coated on the surface of the aluminum layer 210.
S4, repeatedly using the holographic positioning composite film 100, repeating the steps S2-S3, and producing the holographic positioning transfer paper 300. The holographic positioning composite film 100 in the embodiment can be repeatedly used, the dimension of the holographic positioning composite film 100 is stable, and the holographic positioning aluminum plating film 200 and the paper base 310 are compounded by using the permeable water-based composite adhesive, so that the holographic positioning pattern (holographic microstructure 121) can be effectively and completely transferred.
The method for manufacturing the holographic positioning transfer paper 300 of the embodiment has the following advantages:
1) the production flow is simplified, the material consumption and the production cost are reduced, and the market competitiveness of the product is improved. The holographic positioning composite film 100 can be repeatedly utilized for many times, and the protective layer 330 does not need to be coated, so that the production cost is reduced by at least 30 percent, and the market competitiveness of the holographic positioning transfer paper 300 product is greatly improved.
2) The positioning precision is high, and the quality is stable. The special holographic positioning composite film 100 is manufactured, the size is stable, and the positioning precision of the manufactured product completely meets the size precision requirement of the holographic positioning transfer paper 300.
Example 1
Referring to fig. 1 to 3, the embodiment provides a holographic positioning transfer paper 300, which includes a paper base 310, a composite adhesive layer 320, an aluminum plated layer 210, and a protective layer 330, which are sequentially stacked from bottom to top, wherein a holographic microstructure 121 is disposed on an upper surface of the aluminum plated layer 210, and a thickness of the composite adhesive layer 320 is 3 μm; the thickness of the aluminized layer 210 is 250 angstroms; the thickness of the protective layer 330 was 0.5 μm. The specific manufacturing method of the holographic positioning transfer paper 300 is as follows:
s1, manufacturing a holographic positioning composite film 100: taking a PET film as a base film layer 110, and carrying out corona treatment on the surface of the base film layer 110 to ensure that the surface tension reaches 48 dyn/cm; an imaging coating is applied to the corona side of the base film layer 110 and the holographic microstructures 121 are embossed to form a positioning holographic layer 120, as shown in fig. 1.
S2, vacuum aluminum plating: vacuum aluminum plating is carried out on the surface of the positioning holographic layer 120 with the holographic microstructure 121 to form an aluminum plating layer 210 with the thickness of 250 angstroms, the peeling strength between the aluminum plating layer 210 and the positioning holographic layer 120 is specifically 0.3N/CM, the aluminum plating layer 210 is close to the surface of the positioning holographic layer 120 to be copied to form the holographic microstructure 121, and a holographic positioning aluminum plating film 200 is obtained, as shown in FIG. 2.
S3, compound transfer: compounding the side, provided with the aluminum plating layer 210, of the holographic positioning aluminum plating film 200 with the paper base 310 by using water-based composite glue, peeling off the holographic positioning composite film 100, forming a composite glue layer 320 by using part of the water-based composite glue, and forming a protective layer 330 by allowing the rest of the water-based composite glue to penetrate through the surface of the aluminum plating layer 210 to obtain the holographic positioning transfer paper 300, as shown in fig. 3.
The water-based composite adhesive is prepared from the following raw materials in parts by weight: 50 parts of acrylic ester emulsion; 8 parts of polyoxyethylene ether; 2 parts of sodium sulfosuccinate; 0.5 part of adipic dihydrazide; 0.5 part of polydimethylsiloxane; 39 parts of water. The acrylic ester emulsion is prepared from the following raw materials in parts by weight: 25 parts of vinyl acetate; 15 parts of ethyl acrylate; 5 parts of hydroxypropyl acrylate; 2 parts of sodium dodecyl benzene sulfonate; 0.6 part of ammonium peroxydisulfate; and 52.4 parts of deionized water.
S4, repeatedly using the holographic positioning composite film 100, repeating the steps S2-S3, and producing the holographic positioning transfer paper 300.
Example 2
Referring to fig. 3, the present embodiment provides a holographic positioning transfer paper 300, and the manufacturing method of the holographic positioning transfer is substantially the same as that of embodiment 1, except that:
in this embodiment, the thickness of the aluminum layer 210 of the holographic positioning transfer paper 300 is 300 angstroms, and the thickness of the composite adhesive layer 320 is 1 μm. The water-based composite adhesive formed by the water-based composite adhesive is prepared from the following raw materials in parts by weight: 60 parts of acrylate emulsion; 4 parts of polyoxyethylene ether; 2 parts of sodium sulfosuccinate; 3 parts of hexamethylene diamine; 0.3 part of hydroxymethyl cellulose; 30 parts of ethanol. The acrylic ester emulsion is prepared from the following raw materials in parts by weight: 15 parts of methyl methacrylate; 25 parts of butyl acrylate; 8 parts of hydroxyethyl acrylate; 4 parts of vinyl sulfonate; 0.3 part of potassium peroxodisulfate; and 43 parts of deionized water.
Example 3
Referring to fig. 3, the present embodiment provides a holographic positioning transfer paper 300, and the manufacturing method of the holographic positioning transfer is substantially the same as that of embodiment 1, except that:
in this embodiment, the aluminum layer 210 of the holographic positioning transfer paper 300 has a thickness of 350 angstroms. The water-based composite adhesive formed by the water-based composite adhesive is prepared from the following raw materials in parts by weight: 40 parts of acrylic ester emulsion; 3 parts of polyoxyethylene ether; 1 part of sodium sulfosuccinate; 5 parts of adipic acid dihydrazide; 1 part of polydimethylsiloxane; 55 parts of water. The acrylic ester emulsion is prepared from the following raw materials in parts by weight: 30 parts of styrene; 12 parts of isooctyl acrylate; 10 parts of hydroxypropyl acrylate; 1 part of polyoxyethylene octyl phenyl ether; 1 part of ammonium peroxydisulfate; and 61 parts of deionized water.
In conclusion, the water-based composite adhesive disclosed by the embodiment of the invention has good adhesive property, can penetrate through the aluminized layer to form a protective layer, does not need to be coated with protective varnish subsequently, and is suitable for manufacturing holographic positioning transfer paper; the method for manufacturing the holographic positioning transfer paper can remarkably simplify the production flow, reduce the production cost and improve the market competitiveness of the product while ensuring the quality stability of the holographic positioning transfer paper.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A method for manufacturing holographic positioning transfer paper is characterized by comprising the following steps:
s1, forming a positioning holographic layer on the surface of the base film layer, wherein the surface of the positioning holographic layer, which is far away from the base film layer, is provided with a holographic microstructure to obtain a holographic positioning composite film;
s2, forming an aluminum plating layer on the surface of the positioning holographic layer with the holographic microstructure, and copying the aluminum plating layer close to the surface of the positioning holographic layer to form the holographic microstructure to obtain a holographic positioning aluminum plating film;
s3, compounding the side, with the aluminum-plated layer, of the holographic positioning aluminum-plated film with the paper base by using water-based composite adhesive, peeling off the holographic positioning composite film, forming a composite adhesive layer by using part of the water-based composite adhesive, enabling the rest of the water-based composite adhesive to penetrate through the aluminum-plated layer, and forming a protective layer on the surface, with the holographic microstructure, of the aluminum-plated layer to obtain holographic positioning transfer paper;
the water-based composite adhesive is mainly prepared from the following raw materials in parts by weight:
the acrylic ester emulsion is mainly prepared from the following raw materials in parts by weight:
the penetrating agent is a mixture of polyoxyethylene ether and sodium sulfosuccinate; the cross-linking agent is one or two of hexamethylene diamine and adipic dihydrazide.
2. The method for making the holographic positioning transfer paper as claimed in claim 1, wherein the holographic positioning composite film is repeatedly used, and the steps S2-S3 are repeated to obtain the holographic positioning transfer paper.
3. The method for making the holographic positioning transfer paper as claimed in claim 1, wherein in step S2, the peel strength between the aluminum layer 210 and the positioning holographic layer 120 is less than 0.5N/CM.
4. The method for making the holographic positioning transfer paper as claimed in claim 1, wherein the holographic positioning composite film is prepared by the following steps: carrying out corona treatment on the surface of the base film layer to enable the surface tension to reach 42-56 dyn/cm; and coating imaging paint on the corona surface of the base film layer, and molding the holographic microstructure to form a positioning holographic layer.
5. The method for making the holographic positioning transfer paper as claimed in claim 1, wherein the auxiliary agent is one or two of polydimethylsiloxane and hydroxymethyl cellulose; the solvent is one or two of water and ethanol.
6. The method for making the holographic positioning transfer paper as claimed in claim 1, wherein the hard monomer is one or two of styrene, vinyl acetate and methyl methacrylate; the soft monomer is one or more than two of ethyl acrylate, butyl acrylate and isooctyl acrylate; the functional monomer is one or two of hydroxypropyl acrylate and hydroxyethyl acrylate.
7. The method for making holographic positioning transfer paper as claimed in claim 1, wherein the emulsifier is one or more of vinyl sulfonate, sodium dodecylbenzene sulfonate and polyoxyethylene octyl phenyl ether.
8. The method of making the holographic positioning transfer paper of claim 1, wherein the initiator is one or both of ammonium peroxodisulfate and potassium peroxodisulfate.
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| CN101871186A (en) * | 2010-06-29 | 2010-10-27 | 常德市武陵金德镭射科技有限公司 | Transfer paper with anti-counterfeiting fuzzy holographic pattern and manufacturing method |
| CN106381103A (en) * | 2016-10-20 | 2017-02-08 | 普为（上海）新材料科技有限公司 | Water-based polyacrylate adhesive and preparation method thereof |
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| CN101704923A (en) * | 2009-11-18 | 2010-05-12 | 北京高盟化工有限公司 | Water-based acrylic acid emulsion, water-based adhesive for aluminum-plating film composite material and preparation method thereof |
| CN102140318B (en) * | 2011-01-25 | 2013-01-09 | 南通高盟新材料有限公司 | Water-based aluminized transfer glue and preparation method thereof |
| CN103709968A (en) * | 2013-10-15 | 2014-04-09 | 绍兴虎彩激光材料科技有限公司 | Improved formula and technology of emulsion-type transfer composite glue |
| CN104559853A (en) * | 2013-10-16 | 2015-04-29 | 天津东科合成材料有限公司 | Composition and preparation method of multipurpose environment-friendly aqueous laminating adhesive |
| CN104312308B (en) * | 2014-09-28 | 2016-08-31 | 上海维凯光电新材料有限公司 | High light holographic false proof transfer coatings and preparation method thereof |
| KR20170116347A (en) * | 2016-04-11 | 2017-10-19 | 더웨어러블 주식회사 | Transfer film for color fiber using laser printer and preparation method thereof |
| CN207512507U (en) * | 2017-10-17 | 2018-06-19 | 武汉华工图像技术开发有限公司 | A kind of holographic positioning transfer paper |
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| CN101871186A (en) * | 2010-06-29 | 2010-10-27 | 常德市武陵金德镭射科技有限公司 | Transfer paper with anti-counterfeiting fuzzy holographic pattern and manufacturing method |
| CN106381103A (en) * | 2016-10-20 | 2017-02-08 | 普为（上海）新材料科技有限公司 | Water-based polyacrylate adhesive and preparation method thereof |
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