CN105818489A - Preparation technology of anti-counterfeit package material through cold transfer film method - Google Patents

Preparation technology of anti-counterfeit package material through cold transfer film method Download PDF

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Publication number
CN105818489A
CN105818489A CN201610157348.0A CN201610157348A CN105818489A CN 105818489 A CN105818489 A CN 105818489A CN 201610157348 A CN201610157348 A CN 201610157348A CN 105818489 A CN105818489 A CN 105818489A
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CN
China
Prior art keywords
laser
cold
film
aluminum foil
glue
Prior art date
Application number
CN201610157348.0A
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Chinese (zh)
Other versions
CN105818489B (en
Inventor
徐祥祥
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江苏金恒新型包装材料有限公司
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Priority to CN201610157348.0A priority Critical patent/CN105818489B/en
Publication of CN105818489A publication Critical patent/CN105818489A/en
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Publication of CN105818489B publication Critical patent/CN105818489B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00Containers; Receptacles
    • B32B2439/70Food packaging

Abstract

The invention discloses a preparation technology of an anti-counterfeit package material through a cold transfer film method. The preparation technology comprises the following steps: painting a laser transfer paint on a PET film, drying; mould-pressing the PET film coated by the laser transfer paint by a mould pressing machine to obtain a laser film; washing the smooth surface of an aluminum foil by a mixed solvent, which is composed of ethanol and acetone according to a volume ratio of 3-8:1, drying the aluminum foil in a baking oven, painting a glue layer on the aluminum foil, immediately adhering the laser film on the glue layer of the aluminum foil, transferring the aluminum foil to a cold press roller to carry out cold pressing combination; after cold pressing combination, allowing the aluminum foil to stand still at a room temperature, peeling off the PET film to obtain a primary product of laser material, and laminating an outer protective layer on the laser anti-counterfeit layer of the primary product to obtain the laser material product. Cold transfer film method is adopted, the laser anti-counterfeit layer and aluminum foil are combined together, before combination, the aluminum foil is clean to remove the impurities so as to guarantee the product quality, and the obtained product has the advantages of stable structure, high yield, high surface quality, and low damage rate.

Description

A kind of cold transfer membrane method prepares anti-counterfeiting packing material technique

Technical field

The invention belongs to field of packaging material, be specifically related to a kind of cold transfer membrane method and prepare anti-counterfeiting packing material technique.

Background technology

Laser anti-counterfeiting technology is to utilize LASER Light Source light wave amplitude information and corresponding information to be recorded within the extremely short time simultaneously, utilizes interference of light principle to reflect each particle of pie graph picture, is fabricated to unique false proof plate, thus reaches false proof purpose.

How laser anti-counterfeiting technology, for ensureing product quality, is applied to product and packs or directly apply on product by current each manufacturer, to prevent fake products from destroying corporate image.Especially for high-grade tobacco and wine packaging industry, false smoke, the appearance of fake wine not only damage the economic interests of businessman and consumer and also compromise the healthy of consumer, need to strictly stop.Laser anti-counterfeiting technology is applied on packaging material be based primarily upon the operation principle of film transfer, includes the operations such as plate-making, film forming, film transfer and stripping in whole work process, still suffers from the problems such as film transfer is thorough, stripping is the cleanest in whole operation;In addition, current film transfer method is prepared anti-counterfeiting packing material and is typically used film thermal shift assay, although thermal shift assay contributes to the compound of laser anti-counterfeiting film and aluminium foil film, but it is easily caused composite film surface under the high temperature conditions and receives destruction, or the glue-line between each tunic is overflowed by after thermal softening, it is unfavorable for the carrying out of materials processing operation;Aggravation along with problem of environmental pollution, the environmental consciousness of people is increasingly stronger, and the greenization for packaging material requires more and more higher, therefore, ensure also to require while packaging material have security feature its can natural degradation performance, safeguard the sustainable development of the earth further.

Summary of the invention

Goal of the invention: present invention aim at for the deficiencies in the prior art, it is provided that high and environmental protection the cold transfer membrane method of a kind of Stability Analysis of Structures, yield rate prepares anti-counterfeiting packing material technique.

Technical scheme: one of the present invention cold transfer membrane method prepares anti-counterfeiting packing material technique, comprises the following steps:

(1) coating in PET film by laser transfer coatings under conditions of coating speed is 15~20m/min, be then introduced in baking oven, dry at 160~180 DEG C, drying speed is 25~35m/min;

(2) use moulding press that the PET film of coating laser transfer coatings is molded, obtain laser film;

(3) use volume ratio to be the ethanol of 3~8:1 and aluminium-foil paper light surface layer is carried out by the mixed solvent of acetone, coated glue layer after oven for drying, and immediately laser film is attached at the coated face of described aluminium foil, send into after multiple jockey pulleys transmit carry out under cold pressing roller colding pressing compound, pressure is 0.8~1.2MPa, and roller speed is 7~15m/min;Cold pressing and stand at ambient temperature after being combined, and PET film is taken off simultaneously, obtain radium-shine material head product;

(4) compound external protection coating on the laser anti-counterfeiting layer of radium-shine material head product, obtains radium-shine material product.

Preferably, glue-line described in step (3) is aqueous polyurethane glue-line or acrylic ester modified water-soluble polyurethane glue-line or Rhizoma amorphophalli powder-chitosan-polyvinyl alcohol blending glue-line or acrylic acid glue-line.

Preferably, described laser transfer coatings includes following components:

Preferably, described external protection coating is PLA thin layer.

Beneficial effect: the present invention uses cold transfer embrane method, is combined with aluminium foil ply of paper by laser anti-counterfeiting layer, and before compound, aluminium-foil paper is cleaned, avoiding foreign material to affect product quality, the product structure obtained is stable, and yield rate is high, and product surface quality is high, loss percentage is low;The laser transfer coatings selected in the present invention is feature of environmental protection water paint, avoids the volatilization of poisonous gas in course of processing kind, and the packaging material obtained are applicable to pack the product that the mankind directly eat, and meet greenization production requirement.

Detailed description of the invention

Below by embodiment, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.

Embodiment 1: a kind of cold transfer membrane method prepares anti-counterfeiting packing material technique, comprises the following steps:

(1) coating in PET film by laser transfer coatings under conditions of coating speed is 18m/min, be then introduced in baking oven, dry at 170 DEG C, drying speed is 28m/min;

(2) use moulding press that the PET film of coating laser transfer coatings is molded, obtain laser film;

(3) use volume ratio to be the ethanol of 6:1 and aluminium-foil paper light surface layer is carried out by the mixed solvent of acetone, coated glue layer after oven for drying, and immediately laser film is attached at the coated face of described aluminium foil, send into after multiple jockey pulleys transmit carry out under cold pressing roller colding pressing compound, pressure is 1.0MPa, and roller speed is 10m/min;Cold pressing and stand at ambient temperature after being combined, and PET film is taken off simultaneously, obtain radium-shine material head product;

(4) compound PLA external protection coating on the laser anti-counterfeiting layer of radium-shine material head product, obtains radium-shine material product.

Described in step (3), glue-line is aqueous polyurethane glue-line.

Described laser transfer coatings includes following components:

Embodiment 2: a kind of cold transfer membrane method prepares anti-counterfeiting packing material technique, comprises the following steps:

(1) coating in PET film by laser transfer coatings under conditions of coating speed is 15m/min, be then introduced in baking oven, dry at 160 DEG C, drying speed is 25m/min;

(2) use moulding press that the PET film of coating laser transfer coatings is molded, obtain laser film;

(3) use volume ratio to be the ethanol of 3:1 and aluminium-foil paper light surface layer is carried out by the mixed solvent of acetone, coated glue layer after oven for drying, and immediately laser film is attached at the coated face of described aluminium foil, send into after multiple jockey pulleys transmit carry out under cold pressing roller colding pressing compound, pressure is 0.8MPa, and roller speed is 7m/min;Cold pressing and stand at ambient temperature after being combined, and PET film is taken off simultaneously, obtain radium-shine material head product;

(4) compound PLA external protection coating on the laser anti-counterfeiting layer of radium-shine material head product, obtains radium-shine material product.

Described in step (3), glue-line is acrylic ester modified water-soluble polyurethane glue-line.

Described laser transfer coatings includes following components:

Embodiment 3: a kind of cold transfer membrane method prepares anti-counterfeiting packing material technique, comprises the following steps:

(1) coating in PET film by laser transfer coatings under conditions of coating speed is 20m/min, be then introduced in baking oven, dry at 180 DEG C, drying speed is 35m/min;

(2) use moulding press that the PET film of coating laser transfer coatings is molded, obtain laser film;

(3) use volume ratio to be the ethanol of 8:1 and aluminium-foil paper light surface layer is carried out by the mixed solvent of acetone, coated glue layer after oven for drying, and immediately laser film is attached at the coated face of described aluminium foil, send into after multiple jockey pulleys transmit carry out under cold pressing roller colding pressing compound, pressure is 1.2MPa, and roller speed is 15m/min;Cold pressing and stand at ambient temperature after being combined, and PET film is taken off simultaneously, obtain radium-shine material head product;

(4) compound PLA external protection coating on the laser anti-counterfeiting layer of radium-shine material head product, obtains radium-shine material product.

Described in step (3), glue-line is acrylic acid glue-line.

Described laser transfer coatings includes following components:

This method product is shown in Table 1 with the degradation property comparative result of existing method product;

This method product is shown in Table 2 with other Performance comparision of existing method product;

Table 1 embodiment 1~3 and existing product degradation property testing result

Table 2 embodiment 1~3 and other performance test results of existing product

Product Existing product Embodiment 1 Embodiment 2 Embodiment 3 Stripping rate (%) 90 99.5 98.9 99.3 Yield rate (%) 88 98.6 98.5 98.6 Surface damage rate (%) 0.5 0.08 0.09 0.012

Although as it has been described above, represented and described the present invention with reference to specific preferred embodiment, but it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention premise defined without departing from claims, can various changes can be made in the form and details to it.

Claims (4)

1. a cold transfer membrane method prepares anti-counterfeiting packing material technique, it is characterised in that comprise the following steps:
(1) coating in PET film by laser transfer coatings under conditions of coating speed is 15~20m/min, be then introduced in baking oven, dry at 160~180 DEG C, drying speed is 25~35m/min;
(2) use moulding press that the PET film of coating laser transfer coatings is molded, obtain laser film;
(3) use volume ratio to be the ethanol of 3~8:1 and aluminium-foil paper light surface layer is carried out by the mixed solvent of acetone, coated glue layer after oven for drying, and immediately laser film is attached at the coated face of described aluminium foil, send into after multiple jockey pulleys transmit carry out under cold pressing roller colding pressing compound, pressure is 0.8~1.2MPa, and roller speed is 7~15m/min;Cold pressing and stand at ambient temperature after being combined, and PET film is taken off simultaneously, obtain radium-shine material head product;
(4) compound external protection coating on the laser anti-counterfeiting layer of radium-shine material head product, obtains radium-shine material product.
Cold transfer membrane method the most according to claim 1 prepares anti-counterfeiting packing material technique, it is characterised in that: glue-line described in step (3) is aqueous polyurethane glue-line or acrylic ester modified water-soluble polyurethane glue-line or Rhizoma amorphophalli powder-chitosan-polyvinyl alcohol blending glue-line or acrylic acid glue-line.
Cold transfer membrane method the most according to claim 1 prepares anti-counterfeiting packing material technique, it is characterised in that: described laser transfer coatings includes following components:
In terms of weight fraction.
Cold transfer membrane method the most according to claim 1 prepares anti-counterfeiting packing material technique, it is characterised in that: described external protection coating is PLA thin layer.
CN201610157348.0A 2016-03-18 2016-03-18 A kind of cold transfer membrane method prepares anti-counterfeiting packing material technique CN105818489B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610157348.0A CN105818489B (en) 2016-03-18 2016-03-18 A kind of cold transfer membrane method prepares anti-counterfeiting packing material technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610157348.0A CN105818489B (en) 2016-03-18 2016-03-18 A kind of cold transfer membrane method prepares anti-counterfeiting packing material technique

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CN105818489B CN105818489B (en) 2018-03-20

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101135124A (en) * 2007-09-14 2008-03-05 博源科技材料(烟台)有限公司 Vacuum-coated aluminum paper having false-proof hologram pattern and method for making same
CN101537745A (en) * 2009-04-28 2009-09-23 上海宝绿包装材料科技有限公司 Process for producing PET laser transfer membrane
CN104476935A (en) * 2014-12-30 2015-04-01 安徽三联木艺包装有限公司 Holographic image-text positioning gravure printing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101135124A (en) * 2007-09-14 2008-03-05 博源科技材料(烟台)有限公司 Vacuum-coated aluminum paper having false-proof hologram pattern and method for making same
CN101537745A (en) * 2009-04-28 2009-09-23 上海宝绿包装材料科技有限公司 Process for producing PET laser transfer membrane
CN104476935A (en) * 2014-12-30 2015-04-01 安徽三联木艺包装有限公司 Holographic image-text positioning gravure printing method

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