CN110588112B - Method for forming colorful film by using PET film and application of colorful film in glass cover plate - Google Patents
Method for forming colorful film by using PET film and application of colorful film in glass cover plate Download PDFInfo
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- CN110588112B CN110588112B CN201910716124.2A CN201910716124A CN110588112B CN 110588112 B CN110588112 B CN 110588112B CN 201910716124 A CN201910716124 A CN 201910716124A CN 110588112 B CN110588112 B CN 110588112B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- 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
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- 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
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- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/418—Refractive
-
- 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
- B32B2457/00—Electrical equipment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/10—Block- or graft-copolymers containing polysiloxane sequences
- C08J2483/12—Block- or graft-copolymers containing polysiloxane sequences containing polyether sequences
Abstract
The invention discloses a method for forming a dazzling color film by using a PET film and application of the dazzling color film in a glass cover plate, which comprises the following steps: s1: pretreatment of the PET film: soaking a 120-180 nm PET film serving as a base material in pretreatment liquid for 3-6 hours to seal irregular micropores and defects on the surface of the PET film, and drying at 60 ℃ for 1 hour; s2: coating a modified PMMA resin film: coating a fluorine-silicon modified methacrylic acid emulsion on one side of the pretreated PET film, curing at 60 ℃ to form a modified PMMA resin film, and controlling the thickness of the film to be 100-150 nm to obtain a PET/PMMA composite film; s3: repeating the operation processes of the steps S1 and S2 to obtain 25-40 groups of PET/PMMA composite films; s4: and superposing 25-40 groups of PET/PMMA composite films in a mode that one side of PMMA faces upwards or downwards, and performing hot extrusion at 100 ℃ to form the multilayer optical interference glare film. The process disclosed by the invention does not need a melt extrusion process, can achieve a good light effect by only overlapping 25-40 groups of PET/PMMA composite films, greatly shortens the processing process, and saves a large amount of raw materials.
Description
Technical Field
The invention belongs to the technical field of PET film processing, and particularly relates to a method for forming a colorful film by a PET film and application of the colorful film in a glass cover plate.
Background
The colorful film is also called as a colorful film, a seven-color film, a colorful film and a laser colorful film, because the multilayer thin film materials are different and the refractive indexes are different, the light interference principle is utilized, the refraction and interference among the layers are used for replacing the multi-angle layered color change among the layers under the light irradiation, the effect like a sky rainbow is generated, and meanwhile, the colorful film substrate can present the completely different colorful effect due to the rich light effect per se under different distances and different angles.
The traditional dazzling color film is prepared by melt extrusion of two or more resins with different refractive indexes and at least more than 100 layers of resins are sequentially overlapped at intervals, and the process has the step of melt extrusion, so that partial mixed melting can occur among resin melts with different refractive indexes, the refractive index difference among dazzling color film layers is reduced, resin films with more layers are required to be overlapped to achieve good light effect, and the processing process is complicated. For example, patent No. CN02159049.4 discloses a multilayer optical interference rainbow film and a method for manufacturing the same, wherein the rainbow film is formed by compounding more than 70 layers of a layer a and a layer B into a resin core layer, and the processing technology is complicated and requires more raw materials.
Based on the reasons, the invention provides the colorful film coating method which is low in consumption, few in composite layer number and good in light effect and takes the PET film as the raw material, and further provides the application of the colorful film coating method.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for forming a dazzling color film by using a PET film and application of the dazzling color film in a glass cover plate.
The technical scheme of the invention is summarized as follows:
a method for forming a dazzling film by using a PET film comprises the following steps:
s1: pretreatment of the PET film: soaking a 120-180 nm PET film serving as a base material in pretreatment liquid for 3-6 hours to seal irregular micropores and defects on the surface of the PET film, and drying at 60 ℃ for 1 hour;
the pretreatment liquid comprises the following components in parts by weight: 20-30 parts of nano alumina sol, 10-20 parts of polyether modified silicone oil, 5-10 parts of heptadecafluorodecyltriethoxysilane, 1-3 parts of penetrating agent and 0.5-2 parts of emulsifier;
s2: coating a modified PMMA resin film: coating a fluorine-silicon modified methacrylic acid emulsion on one side of the pretreated PET film, curing at 60 ℃ to form a modified PMMA resin film, and controlling the thickness of the film to be 100-150 nm to obtain a PET/PMMA composite film;
s3: repeating the operation processes of the steps S1 and S2 to obtain 25-40 groups of PET/PMMA composite films;
s4: and superposing 25-40 groups of PET/PMMA composite films in a mode that one side of PMMA faces upwards or downwards, and performing hot extrusion at 100 ℃ to form the multilayer optical interference glare film.
Preferably, the osmotic agent is selected from one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, sodium alkyl succinate sulfonate and fatty alcohol-polyoxyethylene ether.
Preferably, the emulsifier is emulsifier TX-100.
And the colorful film is attached to the surface of the rear cover plate of the mobile phone glass for beautifying and protecting.
The invention has the beneficial effects that:
1) according to the invention, the PET film is used as a raw material (the refractive index is 1.65), the modified PMMA resin film (the refractive index is 1.38) is coated on the surface of the PET film, and the great refractive index between the PET film and the modified PMMA resin film is utilized to generate a remarkable light interference effect and an optical effect.
2) The pretreatment liquid is used for plugging irregular micropores and defects on the surface of the PET film, so that the PET film is smooth and clean, and the fluorine-silicon modified methacrylic acid emulsion is prevented from permeating into the pores of the PET film to influence the refractive index of the PET film.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
Example 1
A method for forming a dazzling film by using a PET film comprises the following steps:
s1: pretreatment of the PET film: soaking a 120nm PET film serving as a base material in pretreatment liquid for 3h to seal irregular micropores and defects on the surface of the PET film, and drying at 60 ℃ for 1 h;
the pretreatment liquid comprises the following components in parts by weight: 20 parts of nano alumina sol, 10 parts of polyether modified silicone oil, 5 parts of heptadecafluorodecyl triethoxysilane, 1 part of sodium dodecyl sulfate and 0.5 part of emulsifier;
s2: coating a modified PMMA resin film: coating a fluorine-silicon modified methacrylic acid emulsion on one side of the pretreated PET film, curing at 60 ℃ to form a modified PMMA resin film, and controlling the thickness of the film to be 100nm to obtain a PET/PMMA composite film;
s3: repeating the operation processes of the steps S1 and S2 to obtain 30 groups of PET/PMMA composite films;
s4: and superposing 30 groups of PET/PMMA composite films in a mode that one side of PMMA faces upwards or downwards, and performing hot extrusion at 100 ℃ to form the multilayer optical interference glare film.
Example 2
A method for forming a dazzling film by using a PET film comprises the following steps:
s1: pretreatment of the PET film: soaking a 140nm PET film serving as a base material in pretreatment liquid for 6 hours to seal irregular micropores and defects on the surface of the PET film, and drying at 60 ℃ for 1 hour;
the pretreatment liquid comprises the following components in parts by weight: 25 parts of nano alumina sol, 15 parts of polyether modified silicone oil, 7.5 parts of heptadecafluorodecyl triethoxysilane, 2 parts of fatty alcohol-polyoxyethylene ether and TX-1001 part of emulsifier;
s2: coating a modified PMMA resin film: coating a fluorine-silicon modified methacrylic acid emulsion on one side of the pretreated PET film, curing at 60 ℃ to form a modified PMMA resin film, and controlling the thickness of the film to be 110nm to obtain a PET/PMMA composite film;
s3: repeating the operation processes of the steps S1 and S2 to obtain 35 groups of PET/PMMA composite films;
s4: and superposing 35 groups of PET/PMMA composite films in a manner that one side of PMMA faces upwards or downwards, and performing hot extrusion at 100 ℃ to form the multilayer optical interference glare film.
Example 3
A method for forming a dazzling film by using a PET film comprises the following steps:
s1: pretreatment of the PET film: soaking a 150nm PET film serving as a base material in pretreatment liquid for 6 hours to seal irregular micropores and defects on the surface of the PET film, and drying at 60 ℃ for 1 hour;
the pretreatment liquid comprises the following components in parts by weight: 30 parts of nano alumina sol, 20 parts of polyether modified silicone oil, 10 parts of heptadecafluorodecyl triethoxysilane, 3 parts of succinic acid alkyl ester sodium sulfonate and TX-1002 parts of an emulsifier;
s2: coating a modified PMMA resin film: coating a fluorine-silicon modified methacrylic acid emulsion on one side of the pretreated PET film, curing at 60 ℃ to form a modified PMMA resin film, and controlling the thickness of the film to be 100nm to obtain a PET/PMMA composite film;
s3: repeating the operation processes of the steps S1 and S2 to obtain 40 groups of PET/PMMA composite films;
s4: and superposing 40 groups of PET/PMMA composite films in a mode that one side of PMMA faces upwards or downwards, and performing hot extrusion at 100 ℃ to form the multilayer optical interference glare film.
The PET colorful film manufactured in the embodiments 1-3 is applied to a glass cover plate: the glass cover plate is a mobile phone glass rear cover plate; the PET colorful film is attached to the surface of the mobile phone glass rear cover plate for beautifying and protecting.
The PET that embodiment 1 ~ 3 were made dazzles various membrane under natural light or light, takes place refraction, interference between each level and selects to take place multi-angle layer formula color and luster change between the level, produces like sky rainbow effect, simultaneously, under different distances, different angles, PET dazzles various membrane because the abundant light effect of self can demonstrate the different coloured effect that dazzles completely.
In the embodiments 1 to 3, a PET film is used as a raw material (refractive index is 1.65), a modified PMMA resin film (refractive index is 1.38) is coated on the surface of the PET film, and a significant light interference effect and an optical effect are generated by utilizing a large refractive index between the PET film and the modified PMMA resin film.
The pretreatment liquid in the embodiments 1-3 is used for plugging irregular micropores and defects on the surface of the PET film, so that the PET film is smooth and clean, and the fluorine-silicon modified methacrylic acid emulsion is prevented from permeating into the pores of the PET film to influence the refractive index of the PET film.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (4)
1. A method for forming a dazzling color film by using a PET film is characterized by comprising the following steps:
s1: pretreatment of the PET film: soaking a 120-180 nm PET film serving as a base material in pretreatment liquid for 3-6 hours to seal irregular micropores and defects on the surface of the PET film, and drying at 60 ℃ for 1 hour;
the pretreatment liquid comprises the following components in parts by weight: 20-30 parts of nano alumina sol, 10-20 parts of polyether modified silicone oil, 5-10 parts of heptadecafluorodecyltriethoxysilane, 1-3 parts of penetrating agent and 0.5-2 parts of emulsifier;
s2: coating a modified PMMA resin film: coating a fluorine-silicon modified methacrylic acid emulsion on one side of the pretreated PET film, curing at 60 ℃ to form a modified PMMA resin film, and controlling the thickness of the film to be 100-150 nm to obtain a PET/PMMA composite film;
s3: repeating the operation processes of the steps S1 and S2 to obtain 25-40 groups of PET/PMMA composite films;
s4: and superposing 25-40 groups of PET/PMMA composite films in a mode that one side of PMMA faces upwards or downwards, and performing hot extrusion at 100 ℃ to form the multilayer optical interference glare film.
2. The method for forming the glare film by using the PET film according to claim 1, wherein the penetrating agent is selected from one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, sodium alkyl succinate sulfonate and fatty alcohol-polyoxyethylene ether.
3. The method for forming the glare film by using the PET film according to claim 1, wherein the emulsifier is emulsifier TX-100.
4. The application of the color-glare film according to any one of claims 1 to 3, wherein the color-glare film comprises: the colorful film is attached to the surface of the mobile phone glass rear cover plate for beautifying and protecting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910716124.2A CN110588112B (en) | 2019-08-05 | 2019-08-05 | Method for forming colorful film by using PET film and application of colorful film in glass cover plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910716124.2A CN110588112B (en) | 2019-08-05 | 2019-08-05 | Method for forming colorful film by using PET film and application of colorful film in glass cover plate |
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| CN110588112A CN110588112A (en) | 2019-12-20 |
| CN110588112B true CN110588112B (en) | 2021-06-08 |
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| CN114506142B (en) * | 2022-03-08 | 2022-12-27 | 东莞市雄林新材料科技股份有限公司 | Preparation method of multilayer colorful composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839038A (en) * | 2003-08-18 | 2006-09-27 | 恩格哈德公司 | Solvent stable tinted iridescent film |
| CN101553371A (en) * | 2006-11-08 | 2009-10-07 | 巴斯福公司 | Iridescent films with multiple reflection peaks |
| CN105599428A (en) * | 2016-03-05 | 2016-05-25 | 郑树川 | Rainbow film forming process and apparatus |
| CN206968117U (en) * | 2017-06-07 | 2018-02-06 | 苏州新颖新材料科技股份有限公司 | Illusion-colour VCM plates |
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2019
- 2019-08-05 CN CN201910716124.2A patent/CN110588112B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839038A (en) * | 2003-08-18 | 2006-09-27 | 恩格哈德公司 | Solvent stable tinted iridescent film |
| CN101553371A (en) * | 2006-11-08 | 2009-10-07 | 巴斯福公司 | Iridescent films with multiple reflection peaks |
| CN105599428A (en) * | 2016-03-05 | 2016-05-25 | 郑树川 | Rainbow film forming process and apparatus |
| CN206968117U (en) * | 2017-06-07 | 2018-02-06 | 苏州新颖新材料科技股份有限公司 | Illusion-colour VCM plates |
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