CN111497482A - Composite transfer printing film - Google Patents

Composite transfer printing film Download PDF

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Publication number
CN111497482A
CN111497482A CN201911400461.7A CN201911400461A CN111497482A CN 111497482 A CN111497482 A CN 111497482A CN 201911400461 A CN201911400461 A CN 201911400461A CN 111497482 A CN111497482 A CN 111497482A
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CN
China
Prior art keywords
screen
layer
transfer
transfer printing
printing
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Pending
Application number
CN201911400461.7A
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Chinese (zh)
Inventor
刘福助
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Individual
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Individual
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Priority to CN201911400461.7A priority Critical patent/CN111497482A/en
Publication of CN111497482A publication Critical patent/CN111497482A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/502Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials

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  • Decoration By Transfer Pictures (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The embodiment of the invention discloses a composite transfer printing film, which comprises a die piece, wherein a printing screen and a screen transfer printing sheet are sequentially arranged on the bottom surface of the die piece from top to bottom, a resin precursor is arranged on the top surface of the die piece, a substrate is arranged on the outer surface of the screen transfer printing sheet, the resin precursor, the die piece, the printing screen, the screen transfer printing sheet and the substrate are sequentially superposed to form an integrated transfer printing structure, shielding coating layers are respectively arranged at the edges of the two sides of the transfer printing structure, U-shaped coating films are respectively coated on the outer surfaces of the two shielding coating layers, and pigments with different colors are respectively filled in the shielding coating layers and the U-shaped coating films; the invention ensures the stability of each piece in the whole transfer process, the whole transfer structure is simple and flexible, and the screen printing plate transfer printing piece can be separated after the in-mold transfer printing is finished, so the screen printing plate transfer printing piece can be recycled, and the whole transfer printing process can be used for the in-mold transfer printing and the in-mold texture process.

Description

Composite transfer printing film
Technical Field
The embodiment of the invention relates to the technical field of transfer printing films, in particular to a composite transfer printing film which can be used for an in-mold transfer printing process and an in-mold texture printing process.
Background
With the popularization of mobile phones and notebook computers, the demands of people on mobile phone and notebook computer housings are higher and higher, such as housings with colorful smooth surfaces and more cool shapes and colors.
With the development of coating technology, in-mold decoration (IMD) is the currently international popular surface decoration technology, mainly applied to surface decoration and functional panels of household electrical appliances, and is commonly used on panels and appearance parts in various fields such as mobile phone window lenses and shells, washing machine consoles, refrigerator consoles, air conditioner consoles, automobile instrument discs, electric cooker consoles and the like.
In the process, a pattern is printed on a film, the film is attached to a plastic mold cavity through a film feeding machine for injection molding, an ink layer with the pattern is separated from the film after the injection molding, the ink layer is left on the plastic part to obtain the plastic part with the decorative pattern on the surface, no transparent protective film is arranged on the surface of a final product, and the film is only a carrier In the production process. It is mostly used for the housings of mobile phones and notebook computers. IMR has the advantage of high automation in production and low cost for mass production.
Furthermore, there is another stamping process, using laser to carve on the mould to generate various three-dimensional patterns with different angles, lines, reflections, etc., then sending the semi-finished product of the shell into the mould, stamping the semi-finished product by the three-dimensional patterns designed by the mould, so as to form a film pattern effect with three-dimensional lines on the semi-finished product of the shell, and reflecting light by the three-dimensional lines to form three-dimensional texture. If the pattern of the housing is to be changed, a different mold needs to be redesigned. The redesign of the mold is expensive, so that the production cost of the product is greatly increased, and the structure of the conventional transfer film is loose, which is not favorable for maintaining the transfer quality.
Therefore, how to design a transfer film, which can be applied in the in-mold decoration process and has the functions of transfer and flower biting, becomes a problem to be solved.
Disclosure of Invention
Therefore, the embodiment of the invention provides a composite transfer printing film to solve the problem of high production cost caused by the fact that a mold cannot change a shell pattern in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of an embodiment of the present invention, a composite transfer film includes a mold piece, a printing screen and a screen transfer sheet are sequentially disposed on a bottom surface of the mold piece from top to bottom, a resin precursor is disposed on a top surface of the mold piece, and a substrate is disposed on an outer surface of the screen transfer sheet;
the transfer printing structure comprises a resin precursor, a mold piece, a printing screen, a screen transfer printing piece and a substrate, wherein the resin precursor, the mold piece, the printing screen, the screen transfer printing piece and the substrate are sequentially superposed to form an integrated transfer printing structure, shielding coating layers are arranged at the edges of the two sides of the transfer printing structure, U-shaped coatings are respectively coated on the outer surfaces of the two shielding coating layers, the edges of the U-shaped coatings are flush with the outer surface of the shielding coating layer, and pigments with different colors are respectively filled in the shielding coating layer and the U.
Further, the material of the membrane is polyethylene terephthalate, polycarbonate-glass fiber, polyamide-glass fiber, polycarbonate-acrylonitrile-butadiene-styrene copolymer or a combination thereof.
Further, the resin precursor is fixed and molded to form a resin film.
Furthermore, the printing screen comprises a stereo screen structure layer attached to the outer surface of the die sheet, a release layer is arranged on the outer surface of the stereo screen structure layer, and a stereo screen structure surface and a stereo structure transfer surface are respectively arranged on the outer surface of the stereo screen structure layer and the outer surface of the release layer.
Furthermore, the solid screen structure layer is cured and molded on the die, one surface of the solid screen structure layer is attached to the die, and the other surface of the solid screen structure layer forms a solid screen structure surface.
Further, the screen printing plate transfer printing sheet comprises a hard coating layer, an ink layer and an adhesive layer which are sequentially coated on the outer surface of the three-dimensional structure transfer printing surface, wherein the hard coating layer covers the three-dimensional structure transfer printing surface and copies the three-dimensional structure transfer printing surface, so that the surface of the hard coating layer forms an appearance forming pattern surface relative to the three-dimensional structure transfer printing surface.
Further, the number of the ink layers is at least one.
Further, at least one pigment is filled in the hard coating.
The embodiment of the invention has the following advantages:
(1) the invention combines the film layers to form an integrated structure in the process of single process, can ensure the stability among the sheets in the whole transfer printing process, can mark the position of the film piece by the arranged shielding film coating layer, is convenient for accurate positioning and transfer printing, has simple and flexible whole transfer printing structure, and can be selectively combined into an integrated structure or form a split structure according to the requirement;
(2) in the invention, the surface of the matrix is sequentially provided with the printing screen and the screen transfer printing sheet, the pattern on the printing screen is firstly transferred to the screen transfer printing sheet in the forming process, so that the pattern on the printing screen is transferred and formed through the screen transfer printing sheet, and the screen transfer printing sheet can be separated after the in-mold transfer printing is finished, so that the screen transfer printing sheet can be recycled, and the whole transfer printing process can be used for the in-mold transfer printing and in-mold flower biting processes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is a schematic overall structure diagram in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a printing screen according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structures of a printing screen and a screen transfer sheet according to an embodiment of the present invention;
in the figure: 10-a membrane; 20-printing a screen printing plate; 30-a screen transfer sheet; 40-resin flow overlay; 50-a substrate; 60-shielding the coating layer;
21-a three-dimensional screen structure layer; 211-a three-dimensional screen plate structure surface; 22-a release layer; 221-three-dimensional structure transfer surface;
31-hard coat; 311-appearance forming pattern surface; 32-an ink layer; 33-an adhesive layer;
61-U type envelope.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
As shown in fig. 1 to 4, the present invention provides a composite transfer film, which includes a mold piece 10, a printing screen 20 and a screen transfer sheet 30 sequentially disposed on a bottom surface of the mold piece 10 from top to bottom, a resin precursor 40 disposed on a top surface of the mold piece 10, and a substrate 50 disposed on an outer surface of the screen transfer sheet 30.
The material of the membrane 10 is polyethylene terephthalate, polycarbonate-glass fiber, polyamide-glass fiber, polycarbonate-acrylonitrile-butadiene-styrene copolymer or a combination thereof.
The resin precursor 40, the mold pieces 10, the printing screen 20, the screen transfer sheet 30 and the substrate 50 are sequentially stacked to form an integrated transfer structure, and the integrated transfer structure is formed by stacking, so that the integrated structure can be flexibly assembled or disassembled by stacking, and the integrated structure is assembled when transfer is performed, thereby ensuring stability between the sheets during the whole transfer process.
After an integrated structure is formed, shielding coating layers 60 are arranged at the edges of the two sides of the transfer printing structure, U-shaped coatings 61 are coated on the outer surfaces of the two shielding coating layers 60, the edges of the U-shaped coatings 61 are flush with the outer surface of the shielding coating layer 60, and pigments with different colors are filled in the shielding coating layer 60 and the U-shaped coatings 61 respectively. The arranged shielding coating layer can mark the position of the die piece, so that accurate positioning and transfer printing are facilitated, the whole transfer printing structure is simple and flexible, and the film can be selected to be combined into an integral structure or form a split structure according to requirements.
In the above, the printing screen 20 includes the stereoscopic screen structure layer 21 attached to the outer surface of the die 10, the release layer 22 is disposed on the outer surface of the stereoscopic screen structure layer 21, and the stereoscopic screen structure surface 211 and the stereoscopic structure transfer surface 221 are disposed on the outer surface of the stereoscopic screen structure layer 21 and the outer surface of the release layer 22, respectively.
The three-dimensional screen structure layer 21 is cured and molded on the die 10, one surface of the three-dimensional screen structure layer 21 is attached to the die 10, and the other surface of the three-dimensional screen structure layer 21 forms a three-dimensional screen structure surface 211.
In the invention, the surface of the matrix is sequentially provided with the printing screen and the screen transfer printing sheet, the pattern on the printing screen is firstly transferred to the screen transfer printing sheet in the forming process, so that the pattern on the printing screen is transferred and formed through the screen transfer printing sheet, and the screen transfer printing sheet can be separated after the in-mold transfer printing is finished, so that the screen transfer printing sheet can be recycled, and the whole transfer printing process can be used for the in-mold transfer printing and in-mold flower biting processes.
The screen printing plate transfer sheet 30 includes a hard coating layer 31, an ink layer 32, and an adhesive layer 33 sequentially coated on the outer surface of the three-dimensional structure transfer surface 221, the hard coating layer 31 is coated on the three-dimensional structure transfer surface 221 and copies the three-dimensional structure transfer surface 221, so that the surface of the hard coating layer 31 forms an appearance molding pattern surface 311 with respect to the three-dimensional structure transfer surface 221.
In the present embodiment, the resin precursor 40 is cured or thermoformed by ultraviolet irradiation, and a resin film is formed after the curing. Therefore, the curing of the resin precursor 40 can be controlled by the intensity, irradiation time, and irradiation wavelength of the ultraviolet ray.
The number of the ink layers 32 is at least one, and at least one pigment is filled in the hard coating 31.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (8)

1. The composite transfer printing film is characterized by comprising a mold piece (10), wherein a printing screen (20) and a screen transfer printing sheet (30) are sequentially arranged on the bottom surface of the mold piece (10) from top to bottom, a resin precursor (40) is arranged on the top surface of the mold piece (10), and a substrate (50) is arranged on the outer surface of the screen transfer printing sheet (30);
resin predecessor (40), diaphragm (10), printing screen (20), screen version transfer printing piece (30) and basement (50) superpose in proper order and form integrated rendition structure, the two-sided edge of rendition structure all is equipped with shields coating film layer (60), two-layerly it all coats with U type diolame (61) to shield coating film layer (60) surface, the edge of U type diolame (61) with it flushes to shield coating film layer (60) surface shield and is filled with the pigment of different colours in coating film layer (60) and U type diolame (61) respectively.
2. The composite transfer film of claim 1, wherein the membrane (10) is made of polyethylene terephthalate, polycarbonate-fiberglass, polyamide-fiberglass, polycarbonate-acrylonitrile-butadiene-styrene copolymer, or a combination thereof.
3. The composite transfer film according to claim 1, wherein the resin precursor (40) is fixed and formed to form a resin film.
4. The composite transfer film according to claim 1, wherein the printing screen (20) comprises a three-dimensional screen structure layer (21) attached to the outer surface of the mold sheet (10), a release layer (22) is disposed on the outer surface of the three-dimensional screen structure layer (21), and a three-dimensional screen structure surface (211) and a three-dimensional structure transfer surface (221) are respectively disposed on the outer surface of the three-dimensional screen structure layer (21) and the outer surface of the release layer (22).
5. The composite transfer film according to claim 1, wherein the solid screen structure layer (21) is cured and molded on the mold sheet (10), one surface of the solid screen structure layer (21) is attached to the mold sheet (10), and the other surface of the solid screen structure layer (21) forms a solid screen structure surface (211).
6. A composite transfer film according to claim 1, wherein the screen transfer sheet (30) comprises a hard coating layer (31), an ink layer (32) and an adhesive layer (33) applied on the outer surface of the three-dimensional structure transfer surface (221) in this order, the hard coating layer (31) covers the three-dimensional structure transfer surface (221) and replicates the three-dimensional structure transfer surface (221), so that the surface of the hard coating layer (31) forms an appearance forming pattern surface (311) with respect to the three-dimensional structure transfer surface (221).
7. The composite transfer film of claim 1, wherein the number of ink layers (32) is at least one.
8. A composite transfer film according to claim 1, wherein the hard coating (31) is filled with at least one pigment.
CN201911400461.7A 2019-12-30 2019-12-30 Composite transfer printing film Pending CN111497482A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911400461.7A CN111497482A (en) 2019-12-30 2019-12-30 Composite transfer printing film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911400461.7A CN111497482A (en) 2019-12-30 2019-12-30 Composite transfer printing film

Publications (1)

Publication Number Publication Date
CN111497482A true CN111497482A (en) 2020-08-07

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CN (1) CN111497482A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1872563A (en) * 2005-06-02 2006-12-06 优立企业有限公司 Transfer printing thin film in mould, and fabrication method
KR20120131977A (en) * 2011-05-27 2012-12-05 주식회사 진흥씨아이티 Transcription insert molding film, method of manufacturing the transcription insert molding film and injection molding method using the transcription insert molding film
CN103358744A (en) * 2012-03-26 2013-10-23 大日本网屏制造株式会社 Transfer method and transfer apparatus
CN203567392U (en) * 2013-11-06 2014-04-30 福尔铭股份有限公司 Composite type transfer printing film
CN104002579A (en) * 2013-02-25 2014-08-27 福尔铭股份有限公司 Transfer printing film, transfer printing device and transfer printing method
CN106739607A (en) * 2017-01-11 2017-05-31 福建省锐驰电子科技有限公司 IMR films and its processing method for producing IMR products
CN107073995A (en) * 2014-06-11 2017-08-18 亚萨合莱公司 Intermediate transfer film with substantially transparent alignment mark

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1872563A (en) * 2005-06-02 2006-12-06 优立企业有限公司 Transfer printing thin film in mould, and fabrication method
KR20120131977A (en) * 2011-05-27 2012-12-05 주식회사 진흥씨아이티 Transcription insert molding film, method of manufacturing the transcription insert molding film and injection molding method using the transcription insert molding film
CN103358744A (en) * 2012-03-26 2013-10-23 大日本网屏制造株式会社 Transfer method and transfer apparatus
CN104002579A (en) * 2013-02-25 2014-08-27 福尔铭股份有限公司 Transfer printing film, transfer printing device and transfer printing method
CN203567392U (en) * 2013-11-06 2014-04-30 福尔铭股份有限公司 Composite type transfer printing film
CN107073995A (en) * 2014-06-11 2017-08-18 亚萨合莱公司 Intermediate transfer film with substantially transparent alignment mark
CN106739607A (en) * 2017-01-11 2017-05-31 福建省锐驰电子科技有限公司 IMR films and its processing method for producing IMR products

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Application publication date: 20200807

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