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WO2018103012A1 - Procédé de fabrication de film de transfert de microstructure et film de transfert de microstructure - Google Patents

Procédé de fabrication de film de transfert de microstructure et film de transfert de microstructure Download PDF

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Publication number
WO2018103012A1
WO2018103012A1 PCT/CN2016/108869 CN2016108869W WO2018103012A1 WO 2018103012 A1 WO2018103012 A1 WO 2018103012A1 CN 2016108869 W CN2016108869 W CN 2016108869W WO 2018103012 A1 WO2018103012 A1 WO 2018103012A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
microstructure
transfer film
transfer
polyethylene
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.)
Ceased
Application number
PCT/CN2016/108869
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English (en)
Chinese (zh)
Inventor
庄新烈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PCT/CN2016/108869 priority Critical patent/WO2018103012A1/fr
Publication of WO2018103012A1 publication Critical patent/WO2018103012A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • 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
    • B65D65/40—Applications of laminates for particular packaging purposes

Definitions

  • the present invention relates to a method for manufacturing a microstructure transfer film and a microstructure transfer film, in particular, the method for manufacturing the method can greatly reduce the process, reduce the cost, and save space, and the substrate layer can be kept flat after the substrate is peeled off. For recycling and reuse.
  • a microstructured film that is, an evaporation film having a laser holographic structure on the surface, such as a cat's eye, a lens, a hologram, a floating image, etc., which can utilize light interference to produce a colorful color, and the pattern is obviously colorful and bright, It has excellent effects and anti-counterfeiting effect, and is widely used in various high-quality boutique packaging.
  • a common microstructure film can be applied to a high-grade wine packaging box after being covered with paper, but it cannot be used on a cigarette packaging box, mainly because of the relevant laws and regulations, and the micro-package box.
  • the structural film must use transfer paper, that is, the transfer film should be first transferred to the paper.
  • FIG. 6 is a schematic diagram of the production of the conventional microstructure transfer film 90.
  • a roll of substrate layer 910 is prepared, and a front end of the substrate layer 910 is coated with a hardened resin transfer layer 920, that is, ultraviolet rays, through a coating head R3 on the roll R1 and the stocker R2.
  • a hardened resin transfer layer 920 that is, ultraviolet rays
  • the hardenable glue passes through the support wheel R4 to the roller group R5 on the other side, and then the hardenable resin transfer layer (UV glue) 920 on the substrate layer 910 is rolled over a microstructured wheel R6,
  • the ultraviolet irradiation unit R7 disposed on the opposite side is irradiated and shaped to form a microstructured surface 930 on the hardenable resin transfer layer 920.
  • a metal reflective layer is deposited on the microstructured surface 930. 940, and a hot melt adhesive layer 951 is further disposed on the metal reflective layer 940 to facilitate subsequent transfer to the tray 4 or the surface of the paper.
  • the substrate layer 910 will be twisted and wrinkled instantaneously after being torn off, and it is impossible to roll and recycle and waste, which is a major defect.
  • the main object of the present invention is to provide a method for manufacturing a microstructure transfer film and a microstructure transfer film. , its steps include:
  • Step a Incompatible two thermoplastic polymer materials are coextruded by two layers, extruded from a T-die to form a two-layer extrudate, one side of which forms a substrate layer, and the other side is attached a transfer layer
  • Step b. through a back pressure wheel and a surface of the micro-structured wheel, the two-layer extrudate is extruded into a film, and a microstructured surface is formed on the transfer layer, and;
  • Step c Forming a metal reflective layer on the microstructured surface to form a microstructure transfer film.
  • the step a is to put two incompatible thermoplastic polymer raw materials into two extruders, and after splitting by melt extruding and splitting, form two layers from a T-die.
  • a cooling layer and a winding wheel are firstly cooled to form a composite layer semi-finished product; and then step c is performed to form a metal reflective layer on the surface of the microstructure surface by aluminum evaporation.
  • the transfer layer is one of polypropylene (PP) and polyethylene (PE); and the substrate layer is polybutylene terephthalate (PBT), polyacetal resin ( POM), super crosslinked polymers (HCPs), polyethylene terephthalate (PET), polycarbonate (PC) and polyamide (PA).
  • PBT polybutylene terephthalate
  • POM polyacetal resin
  • HCPs super crosslinked polymers
  • PET polyethylene terephthalate
  • PC polycarbonate
  • PA polyamide
  • the transfer layer is a copolymer of polyethylene, polypropylene, polyethylene, a copolymer of polypropylene or a mixture containing polyethylene or polypropylene.
  • the substrate layer is polyethylene terephthalate.
  • the content of polyethylene and polypropylene in the mixture containing polyethylene and polypropylene is higher than 50%.
  • the mixture containing polyethylene and polypropylene further comprises a trace additive, which is a slip agent or a slip agent.
  • the article of the present invention is a microstructure transfer film, which mainly comprises: a substrate layer, a transfer layer, a microstructured surface and a metal reflective layer, wherein the substrate layer and the transfer layer are two An incompatible thermoplastic polymer consisting of two-layer co-extrusion extrusion, the microstructured surface being formed on the transfer layer by pressing a back pressure wheel and a plate wheel having a microstructure on the surface, and; the metal reflective layer It is formed on the microstructured surface by evaporation. And wherein the metal reflective layer is further provided with a hot melt adhesive layer.
  • the microstructure transfer film is simpler and faster to manufacture, and the cost reduction process can be greatly reduced to save space, and the substrate layer can be kept flat for recycling after application.
  • FIG. 1 is a flow chart of a method for fabricating a microstructure transfer film of the present invention.
  • FIG. 2 is a schematic view showing the production of a method for manufacturing a microstructure transfer film of the present invention.
  • FIG. 3 is a cross-sectional view of a microstructure transfer film article of the present invention.
  • FIG. 4 is a schematic view showing the application of the microstructure transfer film product of the present invention.
  • FIG. 5 is a cross-sectional view showing the application of the microstructure transfer film article of the present invention.
  • FIG. 6 is a schematic view showing the production of a conventional method for manufacturing a microstructure transfer film.
  • FIG. 7 is a cross-sectional view showing the application of a conventional microstructure transfer film product.
  • the manufacturing method of the microstructure transfer film 20 of the present invention the main steps include:
  • Step a Incompatible two thermoplastic polymers 210, 220 raw materials are coextruded by two layers, extruded by a T-die 13 to form a two-layer extrudate, and a substrate layer is formed. 21, the other side attached to a transfer layer 22
  • Step b The bilayer extrudate is extruded into a film by a back pressure wheel 14 and a plate wheel 15 having a microstructure 151 on the surface, and a microstructured surface 23 is formed on the transfer layer 22. as well as;
  • Step c vapor deposition on the microstructured surface 23 to form a metal reflective layer 24 to form a microstructure transfer film 20;
  • thermoplastic polymers More specifically, as shown in FIG. 2, wherein the step of performing the step a. two incompatible thermoplastic polymers can be used.
  • 210, 220 raw materials are placed in two extruders 11, 12, formed by melt extrusion and shunt splitting
  • the two layers are extruded from the T-die 13 to be cooled by the plate wheel 15, and the film is formed by extrusion of the back pressure wheel 14, so that one substrate layer 21 is formed on one side and a transfer layer 22 is attached to the other side;
  • a microstructure surface 23 is formed on the transfer layer 22.
  • a cooling layer 16 and a winding wheel 17 are first passed to form a composite layer semi-finished product by cooling, but the actual manufacturing is not Limits, of course, can be achieved by other cooling or retracting methods.
  • Step c is further performed; and the metal reflective layer 24 is deposited on the microstructured surface 23 of the transfer layer 22 by an evaporation machine (not shown), usually an aluminum metal film, as shown in FIG. Microstructure transfer mold 20.
  • the microstructure transfer film 20 is made simpler and faster to manufacture, and the cost reduction process can be greatly reduced.
  • the microstructure transfer film 20 produced by the method of the present invention mainly comprises: a substrate layer 21, a transfer layer 22, a microstructured surface 23 and a metal reflective layer 24, wherein the base
  • the material layer 21 and the transfer layer 22 are two incompatible thermoplastic polymers 210, 220, which are formed by two-layer co-extrusion extrusion, and the microstructured surface 23 is provided with a microstructure 151 on the back pressure wheel 14 and the surface.
  • the plate wheel 15 is extruded to be formed on the transfer layer 22, and the metal reflective layer 24 is formed on the microstructured surface 23 by evaporation.
  • the microstructure transfer film 20 is composed of the transfer layer 22 on the upper side of the substrate layer 21, and the microstructure surface 23 is formed on the transfer layer 22 by embossing.
  • the metal reflective layer 24 is formed on the microstructured surface 23 by vapor deposition.
  • the vapor deposition material of the metal reflective layer 24 is, for example but not limited to, aluminum.
  • the thermoplastic polymer 220 used in the transfer layer 22 is, for example but not limited to, a copolymer of polyethylene, polypropylene, polyethylene, a copolymer of polypropylene or contains polyethylene, poly
  • the cost of a mixture of propylene is about 10 yuan to 20 yuan per kilogram.
  • the UV adhesive transfer layer is about 60 yuan to 100 yuan per kilogram, which can achieve a substantial reduction in the microstructure transfer film 20 Manufacturing cost
  • the content of the mixture containing polyethylene and polypropylene is, for example but not limited to, more than 50%, and the mixture containing polyethylene and polypropylene further includes a trace additive, the trace addition For example, but not limited to, a slip or slip agent.
  • the base material layer 21 may be a thermoplastic polymer 210 that is incompatible with polypropylene (PP), so that the transfer layer 22 and the substrate are formed after film formation.
  • the layers 21 are not sticky to each other, and are only in a temporary fit state, and can be quickly branched by applying an appropriate external force.
  • the substrate layer 21 may be polybutylene terephthalate (PBT) or polyacetal resin ( POM), super crosslinked polymers (HCPs), polyethylene terephthalate (PET), polycarbonate (PC), and polyamide (PA, nylon).
  • the article microstructure transfer mold 20 of the method of the present invention is made of two thermoplastic polymers 210, 220 whose transfer layer 22 is incompatible with the substrate layer 21. They are not sticky to each other, only in a temporary fit state, and they can be quickly separated by applying appropriate external force.
  • a hot melt adhesive layer 31 is disposed on the metal reflective layer 24 of the actual application. After the transfer is applied to the surface of the paper box 4, after the base material layer 21 is peeled off, the entire substrate layer 21 can be kept flat for recycling. , is the biggest feature of the invention.
  • the provided microstructure transfer mold 20 manufacturing method and microstructure transfer mold 20 are indeed progressive and can successfully overcome the defects of the existing manufacturing method and its finished product application.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé de fabrication de film de transfert de microstructure et un film de transfert de microstructure, comprenant les principales étapes consistant : a. - à co-extruder deux types non compatibles de matière première de polymère thermoplastique, extrudée et formée en un extrudat à deux couches par une matrice à géométrie en T, un côté formant une couche de matériau de base et l'autre côté comportant une couche de transfert ; b. - au moyen d'une roue de contre-pression et d'une roue de plaque présentant une surface pourvue d'une microstructure, à presser l'extrudat à deux couches en un film, et à former une surface de microstructure sur la couche de transfert, et ; c. - à former par évaporation une couche réfléchissante métallique sur la surface de microstructure, de façon à créer un film de transfert de microstructure. De cette manière, la formation d'un film de transfert de microstructure est plus simple et plus rapide, peut faire baisser considérablement les coûts et réduire et économiser de l'espace, et une couche de matériau de base reste stable après retrait, ce qui permet le recyclage et la réutilisation.
PCT/CN2016/108869 2016-12-07 2016-12-07 Procédé de fabrication de film de transfert de microstructure et film de transfert de microstructure Ceased WO2018103012A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/108869 WO2018103012A1 (fr) 2016-12-07 2016-12-07 Procédé de fabrication de film de transfert de microstructure et film de transfert de microstructure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/108869 WO2018103012A1 (fr) 2016-12-07 2016-12-07 Procédé de fabrication de film de transfert de microstructure et film de transfert de microstructure

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WO2018103012A1 true WO2018103012A1 (fr) 2018-06-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11999188B2 (en) 2019-05-31 2024-06-04 3M Innovative Properties Company Patterned transfer articles

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6558788B1 (en) * 1999-08-04 2003-05-06 Applied Extrusion Technologies, Inc. Holographic transfer film
CN1565839A (zh) * 2003-06-26 2005-01-19 庄新烈 具可热封性的彩虹膜及其制法
CN1663790A (zh) * 2005-03-14 2005-09-07 潍坊富维塑胶有限公司 一种复合塑料薄膜及其加工工艺
US20080299362A1 (en) * 2007-05-31 2008-12-04 Cosmo Films Ltd. Extrusion coated biaxially oriented polypropylene film
CN101623973A (zh) * 2008-07-10 2010-01-13 中丰田光电科技(珠海)有限公司 共挤压金属效果全面转移膜及其生产方法和使用方法
TWM526992U (zh) * 2016-01-12 2016-08-11 xin-lie Zhuang 金屬板覆合用金屬調裝飾膜之主功能膜

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6558788B1 (en) * 1999-08-04 2003-05-06 Applied Extrusion Technologies, Inc. Holographic transfer film
CN1565839A (zh) * 2003-06-26 2005-01-19 庄新烈 具可热封性的彩虹膜及其制法
CN1663790A (zh) * 2005-03-14 2005-09-07 潍坊富维塑胶有限公司 一种复合塑料薄膜及其加工工艺
US20080299362A1 (en) * 2007-05-31 2008-12-04 Cosmo Films Ltd. Extrusion coated biaxially oriented polypropylene film
CN101623973A (zh) * 2008-07-10 2010-01-13 中丰田光电科技(珠海)有限公司 共挤压金属效果全面转移膜及其生产方法和使用方法
TWM526992U (zh) * 2016-01-12 2016-08-11 xin-lie Zhuang 金屬板覆合用金屬調裝飾膜之主功能膜

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11999188B2 (en) 2019-05-31 2024-06-04 3M Innovative Properties Company Patterned transfer articles

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