CN103660133A - IML (in molding label) structure and injection molding method - Google Patents
IML (in molding label) structure and injection molding method Download PDFInfo
- Publication number
- CN103660133A CN103660133A CN201310612266.7A CN201310612266A CN103660133A CN 103660133 A CN103660133 A CN 103660133A CN 201310612266 A CN201310612266 A CN 201310612266A CN 103660133 A CN103660133 A CN 103660133A
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- China
- Prior art keywords
- stepped construction
- refractive index
- thin film
- resin molding
- optical thin
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 38
- 238000001746 injection moulding Methods 0.000 title claims abstract description 30
- 230000003287 optical effect Effects 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 31
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000010409 thin film Substances 0.000 claims abstract description 30
- 239000010408 film Substances 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims description 49
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000007639 printing Methods 0.000 claims description 8
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 238000005034 decoration Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000012778 molding material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 planographic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
Images
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an IML (in molding label) structure which comprises an optical thin film and an ink layer, wherein the optical thin film is coated with the ink layer; the optical thin film, the ink layer and an injection molding material are formed into a whole through injection molding; and the optical thin film adopts a stacked structure formed by alternatively laminating a resin film with a higher refractive index and a resin film with a lower refractive index. The invention further discloses an injection molding method of the IML structure. The metallic high-matte decoration of a product can be realized through one-time injection molding, and a non-conductive and environment-friendly metallic surface treatment effect of a structural member of a casing of an electronic product is realized.
Description
Technical field
The present invention relates to injection molding technology, particularly a kind of in-mode inserts injection structure and injection moulding process.
Background technology
In the consumer electronics industry, metal effect is more and more subject to consumer's favor, but the technique NCVM that plastic metal is processed at present can only process out the effect of overall height light or complete sub-light, and overall height light effect allows consumer feel to dazzle very much, and sub-light allows consumer think that class is inadequate.And will realize at present after the high sub-light of plastic cement mainly depends on different material NCVM, in assembling, realize, like this complex procedures and have a fit-up gap.IML (In Molding Label, in-mode inserts injection moulding) technique is to have contained the manufacturing procedures such as printing, high-pressure molding, die-cut, injection moulding, is applied to communication products, as the decorative processing of shaping mobile phone cap.Locating hole, thermoforming, pasting protective film, shearing peripheral shape are fixed, rushed to IML technique by matrix base material being cut out to material, planographic, ink setting; form matrix; then matrix and injected plastics material are carried out to assembly, realize the decoration to phone housing.Traditional plastic materials such as IML process using PET are injection molding matrix base material, and product is difficult to obtain the high sub-light decorative effect of metal.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of in-mode inserts injection structure and injection moulding process are provided, by an injection moulding, can realize on electronic product surface the high sub-light decorative effect of metal, realize the metal effect surface treatment of the non-conductive and environmental protection of electronic product casing structural member.
For achieving the above object, the present invention is by the following technical solutions:
A kind of in-mode inserts injection structure, comprise optical thin film and be coated in the ink layer on described optical thin film, described optical thin film, described ink layer and the injection mo(u)lding of injection moulding plastic are integrated, and described optical thin film comprises by the higher resin molding of refractive index and the lower alternately laminated stepped construction that forms of resin molding of refractive index.
Preferably:
Continuous being uniformly-spaced alternately distributed of layer in described stepped construction, and the thickness of layer is thin and the other end is thick in one end of described stepped construction.
Layer in described stepped construction is the waveform of crest and trough interleaved.
Described stepped construction is the stepped construction of 800～1200 layers, and general thickness is 100～300 μ m.
Described stepped construction is the stepped construction of 1000 layers, and general thickness is 200 μ m.
The refractive index of the resin molding that described refractive index is higher is 1.7, and the refractive index of the resin molding that described refractive index is lower is 1.6.
Described resin molding is PETG (PET) film or polymethyl methacrylate film or polycarbonate membrane.
An injection moulding process for in-mode inserts injection structure, comprises the following steps:
A. make optical thin film, described optical thin film comprises by the higher resin molding of refractive index and the lower alternately laminated stepped construction that forms of resin molding of refractive index;
B. coating printing ink layer on the described optical thin film of making, forms IML film;
C. IML film is carried out to moulding and die-cut;
D. IML film shaping punching being cut is placed in injection moulding in mould and forms described in-mode inserts injection structure.
Preferably:
Continuous being uniformly-spaced alternately distributed of layer in described stepped construction, and the thickness of layer is thin and the other end is thick in one end of described stepped construction.
Layer in described stepped construction is the waveform of crest and trough interleaved.
Described stepped construction is the stepped construction of 800～1200 layers, and general thickness is 100～300 μ m,
Described stepped construction is the stepped construction of 1000 layers, and general thickness is 200 μ m.
The refractive index of the resin molding that described refractive index is higher is 1.7, and the refractive index of the resin molding that described refractive index is lower is 1.6.
Useful technique effect of the present invention:
Adopt the present invention, by an injection moulding, can realize on electric product plastic rubber surface the high sub-light decorative effect of metal, realized the metal effect surface treatment of the non-conductive and environmental protection of electronic product casing structural member.The film of electroplating with evaporation mode is different from adopting, and the present invention does not use metal completely, so does not worry getting rusty or peeling off.The present invention is good decorating effect not only, also facilitates the recycling of product, and has eliminated the environmental issue that metal plating brings.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of embodiment of injection moulding process of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.Should be emphasized that, following explanation is only exemplary, rather than in order to limit the scope of the invention and to apply.
In some embodiments, a kind of in-mode inserts injection structure comprises optical thin film and is coated in the ink layer on described optical thin film, described optical thin film, described ink layer and the injection mo(u)lding of injection moulding plastic are integrated, and described optical thin film comprises by the higher resin molding of refractive index and the lower alternately laminated stepped construction that forms of resin molding of refractive index.The basic principle of optical thin film of the present invention is to utilize the interference effect of light, when light is incident in the film of the alternately laminated stepped construction of different refraction coefficients, will produce spe-cial optical effects, brings the high sub-light decorative effect of metal.
In preferred embodiment, continuous being uniformly-spaced alternately distributed of layer in described stepped construction, and the thickness of layer is thin and the other end is thick in one end of described stepped construction.More preferably, the layer in described stepped construction is the waveform of crest and trough interleaved.Described stepped construction is preferably the stepped construction of 800～1200 layers, and general thickness is 100～300 μ m.More preferably, described stepped construction is the stepped construction of 1000 layers, and general thickness is 200 μ m, and average bed thickness is about 0.2 μ m.
In preferred embodiment, the refractive index of the resin molding that described refractive index is higher is 1.7, and the refractive index of the resin molding that described refractive index is lower is 1.6.
Described resin molding can, for PETG (PET) film or polymethyl methacrylate film or polycarbonate membrane etc., preferably adopt PET film.
Referring to Fig. 1, in some embodiments, a kind of injection moulding process of in-mode inserts injection structure comprises the following steps:
A. make optical thin film, described optical thin film comprises by the higher resin molding of refractive index and the lower alternately laminated stepped construction that forms of resin molding of refractive index;
B. coating printing ink layer on the described optical thin film of making, forms IML film;
C. IML film is carried out to moulding and die-cut;
D. IML film shaping punching being cut is placed in injection moulding in mould and forms described in-mode inserts injection structure.
In preferred embodiment, continuous being uniformly-spaced alternately distributed of layer in described stepped construction, and the thickness of layer is thin and the other end is thick in one end of described stepped construction.Layer in described stepped construction is the waveform of crest and trough interleaved.Described stepped construction is the stepped construction of 800～1200 layers, and general thickness is 100～300 μ m.More preferably, the refractive index of the resin molding that described refractive index is higher is 1.7, and the refractive index of the resin molding that described refractive index is lower is 1.6.
A concrete demonstration example of injection moulding process of the present invention is as follows.
1, optical thin film is made
Replace PET film that overlapping refractive index is higher and lower PET film, form the stepped construction of approximately 1000 layers.Integral thickness is 200 μ m.1000 layers of simple calculating, every layer thickness is about 0.2 μ m.Thin one end, thickness one end of layer is thick, adopts continuous being uniformly-spaced alternately distributed.Because stepped construction makes light produce interference, occur color, employing is spacedly distributed, and can evenly reflect visible light, and preferably wave pattern design, can present metallic luster the most true to nature.
2, optical thin film printing
According to selecting injection raw material performance and mould structure, on the optical thin film of making, print 6-7 layer ink (as the Japanese IPX of kingdom ink), every layer thickness 0.003mm, republishes one deck 0.003mmIPX binding agent, and every layer is completed for printing rear baking 95 degree 30 minutes.
3, IML film hot-pressing/die-cut
According to product 3D, open moulding and die cutting die, the film printing is carried out to moulding and die-cut.
4, IML film injection moulding
The projection printing IML film that shaping punching is cut is implanted injection moulding on the solarization line mould of opening according to customer requirement, reaches the product structure requirement needing.Injection mold is opened according to predetermined structure requirement, and this mould requires to shine line on die benevolence assigned address according to product appearance, as texture line, drawing pattern, milled carbon fiber etc.
Optical thin film in the present invention is resin molding.Resin molding can form such as antireflection eyeglass. and single wavelength optical filter, length or short wavelength are by optical filter, thermo-optical mirror, cold mirror, various laser eyeglasses etc., all to utilize multiple different nonmetallic materials, evaporation is on ground mirror cup, the number of plies by individual layer to tens of, hundred layers not etc., difference optionally, and have different designs and method.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an in-mode inserts injection structure, it is characterized in that, comprise optical thin film and be coated in the ink layer on described optical thin film, described optical thin film, described ink layer and the injection mo(u)lding of injection moulding plastic are integrated, and described optical thin film comprises by the higher resin molding of refractive index and the lower alternately laminated stepped construction that forms of resin molding of refractive index.
2. in-mode inserts injection structure as claimed in claim 1, is characterized in that, continuous being uniformly-spaced alternately distributed of layer in described stepped construction, and the thickness of layer is thin and the other end is thick in one end of described stepped construction.
3. in-mode inserts injection structure as claimed in claim 2, is characterized in that, the layer in described stepped construction is the waveform of crest and trough interleaved.
4. in-mode inserts injection structure as claimed in claim 2, is characterized in that, described stepped construction is the stepped construction of 800～1200 layers, general thickness is 100～300 μ m, preferably, described stepped construction is the stepped construction of 1000 layers, and general thickness is 200 μ m.
5. in-mode inserts injection structure as claimed in claim 2, is characterized in that, the refractive index of the resin molding that described refractive index is higher is 1.7, and the refractive index of the resin molding that described refractive index is lower is 1.6.
6. the in-mode inserts injection structure as described in claim 1 to 5 any one, is characterized in that, described resin molding is PETG film or polymethyl methacrylate film or polycarbonate membrane.
7. an injection moulding process for in-mode inserts injection structure, is characterized in that, comprises the following steps:
A. make optical thin film, described optical thin film comprises by the higher resin molding of refractive index and the lower alternately laminated stepped construction that forms of resin molding of refractive index;
B. coating printing ink layer on the described optical thin film of making, forms IML film;
C. IML film is carried out to moulding and die-cut;
D. IML film shaping punching being cut is placed in injection moulding in mould and forms described in-mode inserts injection structure.
8. injection moulding process as claimed in claim 7, is characterized in that, continuous being uniformly-spaced alternately distributed of layer in described stepped construction, and the thickness of layer is thin and the other end is thick in one end of described stepped construction.
9. injection moulding process as claimed in claim 8, is characterized in that, the layer in described stepped construction is the waveform of crest and trough interleaved.
10. the injection moulding process as described in claim 7 to 9 any one, is characterized in that, described stepped construction is the stepped construction of 800～1200 layers, general thickness is 100～300 μ m, preferably, described stepped construction is the stepped construction of 1000 layers, and general thickness is 200 μ m; Preferably, the refractive index of the resin molding that described refractive index is higher is 1.7, and the refractive index of the resin molding that described refractive index is lower is 1.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310612266.7A CN103660133B (en) | 2013-11-26 | 2013-11-26 | A kind of in-mode inserts injection structure and injection moulding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310612266.7A CN103660133B (en) | 2013-11-26 | 2013-11-26 | A kind of in-mode inserts injection structure and injection moulding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103660133A true CN103660133A (en) | 2014-03-26 |
| CN103660133B CN103660133B (en) | 2015-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310612266.7A Active CN103660133B (en) | 2013-11-26 | 2013-11-26 | A kind of in-mode inserts injection structure and injection moulding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103660133B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399042A (en) * | 2017-07-17 | 2017-11-28 | 福建省石狮市通达电器有限公司 | A kind of IMF watchbands moulding process and its IMF watchbands |
| CN111565520A (en) * | 2020-04-17 | 2020-08-21 | 廖章明 | Resistor, preparation method of in-mold electronic film, resistor and in-mold electronic film |
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|---|---|---|---|---|
| US20030059616A1 (en) * | 2001-09-19 | 2003-03-27 | Hartley Scott M. | Substrate mounting for organic, dielectric, optical film |
| CN2678874Y (en) * | 2004-03-14 | 2005-02-16 | 林云 | Plastic member having surface coated decoration face |
| JP2009255503A (en) * | 2008-03-18 | 2009-11-05 | Toppan Printing Co Ltd | Manufacturing method of plastic molded product and plastic molded product |
| CN101596803A (en) * | 2008-06-05 | 2009-12-09 | 颖台科技股份有限公司 | Thin film structure and method for manufacturing the same |
| CN102431120A (en) * | 2011-11-10 | 2012-05-02 | 郭传滨 | Method for manufacturing in-mold injection molding automobile label and decoration strip |
-
2013
- 2013-11-26 CN CN201310612266.7A patent/CN103660133B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030059616A1 (en) * | 2001-09-19 | 2003-03-27 | Hartley Scott M. | Substrate mounting for organic, dielectric, optical film |
| CN2678874Y (en) * | 2004-03-14 | 2005-02-16 | 林云 | Plastic member having surface coated decoration face |
| JP2009255503A (en) * | 2008-03-18 | 2009-11-05 | Toppan Printing Co Ltd | Manufacturing method of plastic molded product and plastic molded product |
| CN101596803A (en) * | 2008-06-05 | 2009-12-09 | 颖台科技股份有限公司 | Thin film structure and method for manufacturing the same |
| CN102431120A (en) * | 2011-11-10 | 2012-05-02 | 郭传滨 | Method for manufacturing in-mold injection molding automobile label and decoration strip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399042A (en) * | 2017-07-17 | 2017-11-28 | 福建省石狮市通达电器有限公司 | A kind of IMF watchbands moulding process and its IMF watchbands |
| CN107399042B (en) * | 2017-07-17 | 2023-05-23 | 福建省石狮市通达电器有限公司 | IMF watchband forming process |
| CN111565520A (en) * | 2020-04-17 | 2020-08-21 | 廖章明 | Resistor, preparation method of in-mold electronic film, resistor and in-mold electronic film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103660133B (en) | 2015-09-30 |
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Address after: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee after: DONGGUAN HUASHENG ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee after: Guangdong Jinsheng Intelligent Group Co.,Ltd. Address before: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee before: DONGGUAN HUASHENG ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: JANUS ( DONGGUAN ) PRECISION COMPONENTS Co.,Ltd. |
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Effective date of registration: 20180119 Address after: 523878 Changan City, Guangdong Province town on the corner management area Patentee after: Guangdong Jinsheng Intelligent Group Co.,Ltd. Address before: 523878 Changan City, Guangdong Province town on the corner management area Co-patentee before: DONGGUAN HUASHENG ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: Guangdong Jinsheng Intelligent Group Co.,Ltd. |
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Address after: Shangjiao village, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Guangdong Chuangshi Intelligent Equipment Group Co.,Ltd. Address before: 523878 corner management area, Changan Town, Guangdong, Dongguan Patentee before: Guangdong Jinsheng Intelligent Group Co.,Ltd. |