CN114311920A - Semipermeable textured IML (in-mold labeling) film and processing technology thereof - Google Patents
Semipermeable textured IML (in-mold labeling) film and processing technology thereof Download PDFInfo
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- CN114311920A CN114311920A CN202111638340.3A CN202111638340A CN114311920A CN 114311920 A CN114311920 A CN 114311920A CN 202111638340 A CN202111638340 A CN 202111638340A CN 114311920 A CN114311920 A CN 114311920A
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- 238000005516 engineering process Methods 0.000 title description 4
- 238000002372 labelling Methods 0.000 title description 2
- 229920002799 BoPET Polymers 0.000 claims abstract description 89
- 239000003292 glue Substances 0.000 claims abstract description 23
- 238000002360 preparation method Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 70
- 239000000853 adhesive Substances 0.000 claims description 26
- 230000001070 adhesive effect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 10
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000010023 transfer printing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 239000004595 color masterbatch Substances 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 230000003287 optical effect Effects 0.000 abstract description 11
- 238000007639 printing Methods 0.000 abstract description 8
- 239000013618 particulate matter Substances 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The semi-permeable textured IML film provided by the invention comprises a transparent PET film and a semi-permeable PET film, wherein one side of the transparent PET film is provided with a UV transfer texture layer, the other side of the transparent PET film is provided with a first easy-bonding layer, one side of the semi-permeable PET film is provided with a second easy-bonding layer, and the first easy-bonding layer and the second easy-bonding layer are compounded together through a UV composite glue layer. Compared with the prior art, realize the semi-transparent effect of IML film through the non-full light-transmitting effect of coloured PET film, and the preparation of coloured PET film does not have any particulate matter to need not the printing, like this, makes whole IML film do not have any particulate matter to present when reaching the dual effect of semi-transparent and taking the texture, and the optical display effect is high, can satisfy the optical display requirement of high usage occasion, can also adjust the luminousness of whole IML film, uses in a flexible way. The invention also discloses a production process of the semipermeable textured IML film.
Description
Technical Field
The invention relates to a film for in-mold injection molding, in particular to a semi-permeable textured IML film and a processing technology thereof.
Background
At present, an electrical appliance panel formed by adopting an IML process in the market is available, and the IML has the Chinese name: the in-mold insert is used for injection molding, and has the advantages that the produced plastic part has beautiful appearance, can have various colors and patterns, has wear resistance compared with a shell of a spraying process, high brightness and strong stereoscopic impression, and can transfer and print more complex patterns. The technological process includes setting the film with printed pattern inside metal mold, injecting resin for forming into the metal mold to combine with the film to form the film with printed pattern and the resin into one integral and curing to form the product; the process has the remarkable characteristics that: the surface is a layer of hardened transparent film, the middle is a printing pattern layer, and the back is a plastic layer. With the requirements of consumers on the panel, the panel is required to have a semi-transparent effect besides texture, in order to realize the semi-transparent textured effect by printing the semi-transparent ink on the back surface of the transparent film after UV texture transfer printing is performed on the transparent film by manufacturers, then, the semi-transparent ink has particles and printing marks when the film is printed, so that light can be obviously seen when the light penetrates out of the film, the requirement of a higher occasion required by optical display cannot be met, and the effect is poor.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide a semi-transparent textured IML film to solve the problem of poor optical effect caused by the fact that particles or printing traces exist on the surface of the semi-transparent textured IML film in the prior art.
Another objective of the present invention is to provide a processing method of a semi-transparent textured IML film, so as to solve the problem of poor optical effect caused by particles or printing traces on the surface of the semi-transparent textured IML film in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a semipermeable textured IML film, comprising: transparent PET film and semi-permeable PET film have, be equipped with UV rendition texture layer on the one side of above-mentioned transparent PET film, be equipped with first easily and tie up the layer on the another side of transparent PET film, above-mentioned semi-permeable PET film is coloured PET film, the one side of above-mentioned semi-permeable PET film has the second and easily ties up the layer, above-mentioned second is easily tied up and is equipped with the compound glue layer of UV on the layer, above-mentioned first easily tie up layer and second and easily tie up the layer and pass through the compound glue layer of UV and compound together.
The first easy-bonding layer and the second easy-bonding layer are both oily adhesive layers.
The thickness of the transparent PET film is 0.05-0.188mm, and the thickness of the semi-permeable PET film is 0.05 mm.
A production process of a semi-transparent textured IML film comprises a UV transfer textured film preparation step, a semi-transparent film preparation step and a compounding step, wherein the semi-transparent film preparation step is realized through the following steps:
step one, adopting transparent PET plastic particles and color master batch to extrude a colored semi-transparent PET film with the thickness of 0.04-0.06mm and the light transmittance of 3-80%,
step two, coating an easy-to-bond layer with the thickness of 3-5um on one surface of the colored semi-permeable PET film obtained in the step one to obtain an adhesive type semi-permeable PET film;
the preparation step of the UV transfer printing texture film is realized by the following steps:
step 10, selecting a transparent PET film with the thickness of 0.05-0.188 mm;
step 20, uniformly coating a UV glue layer on the surface of one side of the transparent PET film obtained in the step 10 through UV transfer printing equipment, then pressing out textures on the UV glue layer through a plate roller with textures, and carrying out UV glue curing through a UV lamp to obtain the textured transparent PET film with one side having textures;
step 30, coating an easy-to-bond layer with the thickness of 3-5um on the non-texture surface of the texture transparent PET film obtained in the step 20 to obtain an adhesive type transparent PET film;
the compounding step comprises the following specific operations: and (3) dripping UV glue on the local part of the easy-bonding layer of the adhesive type semi-permeable PET film in the second step, then placing the adhesive type transparent PET film in the second step on the adhesive type semi-permeable PET film in the second step, bonding the easy-bonding layer of the adhesive type transparent PET film in the second step with the easy-bonding layer of the adhesive type semi-permeable PET film, pressing the easy-bonding layer of the adhesive type transparent PET film in the second step together through a compounding machine, and simultaneously carrying out UV illumination in the pressing process to finally obtain the semi-permeable IML film with textures.
The easy adhesion layer in step 30 is an oily adhesive layer.
And the easy-bonding layer in the second step is an oily adhesive layer.
After the technical scheme is adopted, the semi-transparent textured IML film is realized through the non-full light-transmitting effect of the colored PET film, the colored PET film is manufactured without any particulate matter and printing, so that the whole IML film is free from any particulate matter when achieving the double effects of semi-transparent texturing, the optical display effect is extremely high, the optical display requirement of high-use occasions can be met, in addition, the light transmittance of the colored PET film can be adjusted to adjust the light transmittance of the whole IML film, the use is flexible, meanwhile, the whole IML film cannot be torn by utilizing two easy-to-adhere layers and UV glue, and the service life is long.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.
The semi-transparent textured IML film disclosed by the invention is provided with a transparent PET film 1 and a semi-transparent PET film 2 as shown in figure 1, wherein the preferable thickness of the transparent PET film 1 is 0.05-0.188mm, the front surface of the transparent PET film 1 is provided with a UV transfer texture layer 3, the UV transfer texture layer 3 is processed by adopting UV transfer equipment, the back surface of the transparent PET film is provided with a first easy-bonding layer 4, the first easy-bonding layer 4 is an oily adhesive layer, and the oily adhesive is coated on the full surface of the back surface of the transparent PET film in a coating mode to form an easy-bonding layer with the thickness of 3-5 microns.
The semi-permeable PET film 2 is a colored PET film and is formed by integrally co-extruding color master batches and transparent PET plastic particles, the front surface of the semi-permeable PET film 2 is coated with a second easy-to-bond layer 5, the second easy-to-bond layer 5 is coated with a first easy-to-bond layer 5 in an oil binder manner, the thickness of the semi-permeable PET film is 3-5 microns, the first easy-to-bond layer 5 is provided with a UV composite glue layer 6, the semi-permeable PET film 2 is attached to the transparent PET film 1, and the second easy-to-bond layer 5 and the first easy-to-bond layer 4 are oppositely arranged and are composited together through the UV composite glue layer 6.
According to the semi-transparent textured IML film, the semi-transparent effect of the IML film is realized through the non-full light transmission effect of the colored PET film, the colored PET film is manufactured without any particulate matter and printing, so that the whole IML film does not have any particulate matter when achieving the double effects of semi-transparent and textured, the optical display effect is extremely high, the optical display requirement of a high-use occasion can be met, in addition, the light transmission rate of the colored PET film can be adjusted to adjust the light transmission rate of the whole IML film, the use is flexible, meanwhile, the whole IML film cannot be torn by utilizing two easy-to-adhere layers and UV glue, and the service life is long.
The invention relates to a production process of a semi-transparent textured IML film, which comprises a UV transfer textured film preparation step, a semi-transparent film preparation step and a compounding step, wherein the semi-transparent film preparation step is realized through the following steps:
step one, adopting transparent PET plastic particles and color master batch to extrude a colored semi-transparent PET film with the thickness of 0.04-0.06mm and the light transmittance of 3-80%,
step two, coating an easy-bonding layer with the thickness of 3-5um on one surface of the colored semi-permeable PET film in the step one, wherein the easy-bonding layer is preferably an oily adhesive layer to obtain an adhesive semi-permeable PET film;
the preparation step of the UV transfer printing texture film is realized by the following steps:
step 10, selecting a transparent PET film with the thickness of 0.05-0.188 mm;
step 20, uniformly coating a UV glue layer on the surface of one side of the transparent PET film obtained in the step 10 through UV transfer printing equipment, then pressing out textures on the UV glue layer through a plate roller with textures, and carrying out UV glue curing through a UV lamp to obtain the textured transparent PET film with one side having textures;
step 30, coating an easy-bonding layer with the thickness of 3-5um on the non-texture surface of the texture transparent PET film obtained in the step 20, wherein the easy-bonding layer is preferably an oily adhesive layer, so as to obtain an adhesive type transparent PET film;
the compounding step comprises the following specific operations: and (3) dripping UV glue on the local part of the easy-bonding layer of the adhesive type semi-permeable PET film in the second step, then placing the adhesive type transparent PET film in the second step on the adhesive type semi-permeable PET film in the second step, bonding the easy-bonding layer of the adhesive type transparent PET film in the second step with the easy-bonding layer of the adhesive type semi-permeable PET film, pressing the easy-bonding layer of the adhesive type transparent PET film in the second step together through a compounding machine, and simultaneously carrying out UV illumination in the pressing process to finally obtain the semi-permeable IML film with textures.
The invention relates to a processing technology of a semipermeable textured IML film, which utilizes the combination of the semipermeable performance of a colored film and the texture of a transparent film to ensure that the whole IML film achieves the semipermeable and textured effects, does not cause any particulate matter to be presented in the whole processing process, has extremely high optical display effect, can meet the optical display requirement of high-use occasions, simultaneously, can adjust the colored semipermeable PET film according to color master batches in the step one, ensures that the adjustment range of the light transmittance of the colored semipermeable PET film is large, thereby the light transmittance of the IML film is adjusted, has wide application range, can meet the requirements of different customers, has flexible application, simultaneously utilizes two easy-adhesion layers and UV glue to ensure that the whole IML film does not have tearing phenomenon, has long service life, and simultaneously adopts a UV glue compounding mode to ensure that the compounded UV transfer textured film and the semitransparent film are completely adhered, no bubble is generated, and the adhesive force is strong.
When the IML film is used, an injection molding piece is directly injected on one surface, which is not easy to be bonded, of the colored semi-permeable PET film, so that an IML injection molding panel can be completed, and when the IML film is used, the UV texture layer of the transparent PET film is directly used as the front surface.
The above embodiments are not intended to limit the structure and production of the present invention, and any suitable changes or modifications made by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (6)
1. A semipermeable textured IML film, comprising: transparent PET film and semi-permeable PET film have, be equipped with UV rendition texture layer on the one side of above-mentioned transparent PET film, be equipped with first easily and tie up the layer on the another side of transparent PET film, above-mentioned semi-permeable PET film is coloured PET film, the one side of above-mentioned semi-permeable PET film has the second and easily ties up the layer, above-mentioned second is easily tied up and is equipped with the compound glue layer of UV on the layer, above-mentioned first easily tie up layer and second and easily tie up the layer and pass through the compound glue layer of UV and compound together.
2. The semipermeable textured IML film according to claim 1, wherein: the first easy-bonding layer and the second easy-bonding layer are both oily adhesive layers.
3. The semipermeable textured IML film according to claim 1, wherein: the thickness of the transparent PET film is 0.05-0.188mm, and the thickness of the semi-permeable PET film is 0.05 mm.
4. A production process of a semipermeable textured IML film is characterized by comprising the following steps: the method comprises a UV transfer printing texture film preparation step, a semitransparent film preparation step and a compounding step, wherein the semitransparent film preparation step is realized through the following steps:
step one, adopting transparent PET plastic particles and color master batch to extrude a colored semi-transparent PET film with the thickness of 0.04-0.06mm and the light transmittance of 3-80%,
step two, coating an easy-to-bond layer with the thickness of 3-5um on one surface of the colored semi-permeable PET film obtained in the step one to obtain an adhesive type semi-permeable PET film;
the preparation step of the UV transfer printing texture film is realized by the following steps:
step 10, selecting a transparent PET film with the thickness of 0.05-0.188 mm;
step 20, uniformly coating a UV glue layer on the surface of one side of the transparent PET film obtained in the step 10 through UV transfer printing equipment, then pressing out textures on the UV glue layer through a plate roller with textures, and carrying out UV glue curing through a UV lamp to obtain the textured transparent PET film with one side having textures;
step 30, coating an easy-to-bond layer with the thickness of 3-5um on the non-texture surface of the texture transparent PET film obtained in the step 20 to obtain an adhesive type transparent PET film;
the compounding step comprises the following specific operations: and (3) dripping UV glue on the local part of the easy-bonding layer of the adhesive type semi-permeable PET film in the second step, then placing the adhesive type transparent PET film in the second step on the adhesive type semi-permeable PET film in the second step, bonding the easy-bonding layer of the adhesive type transparent PET film in the second step with the easy-bonding layer of the adhesive type semi-permeable PET film, pressing the easy-bonding layer of the adhesive type transparent PET film in the second step together through a compounding machine, and simultaneously carrying out UV illumination in the pressing process to finally obtain the semi-permeable IML film with textures.
5. The process of claim 4, wherein the semi-permeable textured IML film comprises: the easy adhesion layer in step 30 is an oily adhesive layer.
6. The process of claim 4, wherein the semi-permeable textured IML film comprises: and the easy-bonding layer in the second step is an oily adhesive layer.
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| CN202111638340.3A CN114311920B (en) | 2021-12-29 | 2021-12-29 | Semi-transparent textured IML film and processing technology thereof |
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| CN202111638340.3A CN114311920B (en) | 2021-12-29 | 2021-12-29 | Semi-transparent textured IML film and processing technology thereof |
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| CN114311920A true CN114311920A (en) | 2022-04-12 |
| CN114311920B CN114311920B (en) | 2023-11-14 |
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|---|---|---|---|---|
| CN203198349U (en) * | 2013-01-31 | 2013-09-18 | 上海青橙实业有限公司 | In-mold insert injection molding structure |
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| CN103660763A (en) * | 2013-11-29 | 2014-03-26 | 福建省石狮市通达电器有限公司 | Production method of IML face shell with magnetic printing ink stereo pattern effect |
| CN204006579U (en) * | 2014-07-22 | 2014-12-10 | 福建省石狮市通达电器有限公司 | The large panel of a kind of IML air-conditioning |
| CN105934116A (en) * | 2016-05-31 | 2016-09-07 | 浙江兆奕科技有限公司 | 2.5D double-face IML injection molded part and injection molding mould and injection molding method thereof |
| CN107487094A (en) * | 2017-09-30 | 2017-12-19 | 福建省石狮市通达电器有限公司 | A kind of IML textures face-piece and its manufacture craft with sense of touch and stereoeffect |
| CN110481107A (en) * | 2019-09-05 | 2019-11-22 | 深圳市摩码克来沃化学科技有限公司 | One kind can dynamic optically variable films and preparation method thereof |
| CN113199843A (en) * | 2021-04-09 | 2021-08-03 | 中山国安新材料有限公司 | IML film and preparation method thereof |
-
2021
- 2021-12-29 CN CN202111638340.3A patent/CN114311920B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203198349U (en) * | 2013-01-31 | 2013-09-18 | 上海青橙实业有限公司 | In-mold insert injection molding structure |
| CN103660275A (en) * | 2013-11-29 | 2014-03-26 | 福建省石狮市通达电器有限公司 | Entire roll embossing production process of IML (in mould labeling) film |
| CN103660763A (en) * | 2013-11-29 | 2014-03-26 | 福建省石狮市通达电器有限公司 | Production method of IML face shell with magnetic printing ink stereo pattern effect |
| CN204006579U (en) * | 2014-07-22 | 2014-12-10 | 福建省石狮市通达电器有限公司 | The large panel of a kind of IML air-conditioning |
| CN105934116A (en) * | 2016-05-31 | 2016-09-07 | 浙江兆奕科技有限公司 | 2.5D double-face IML injection molded part and injection molding mould and injection molding method thereof |
| CN107487094A (en) * | 2017-09-30 | 2017-12-19 | 福建省石狮市通达电器有限公司 | A kind of IML textures face-piece and its manufacture craft with sense of touch and stereoeffect |
| CN110481107A (en) * | 2019-09-05 | 2019-11-22 | 深圳市摩码克来沃化学科技有限公司 | One kind can dynamic optically variable films and preparation method thereof |
| CN113199843A (en) * | 2021-04-09 | 2021-08-03 | 中山国安新材料有限公司 | IML film and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN114311920B (en) | 2023-11-14 |
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