CN114133883A - Hardened belt antistatic acrylic protective film and preparation method thereof - Google Patents

Hardened belt antistatic acrylic protective film and preparation method thereof Download PDF

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Publication number
CN114133883A
CN114133883A CN202111666656.3A CN202111666656A CN114133883A CN 114133883 A CN114133883 A CN 114133883A CN 202111666656 A CN202111666656 A CN 202111666656A CN 114133883 A CN114133883 A CN 114133883A
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CN
China
Prior art keywords
layer
antistatic
protective film
hardened
antistatic acrylic
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Pending
Application number
CN202111666656.3A
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Chinese (zh)
Inventor
罗炜
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Dongguan Liangya Plastic Products Co ltd
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Dongguan Liangya Plastic Products Co ltd
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Priority to CN202111666656.3A priority Critical patent/CN114133883A/en
Publication of CN114133883A publication Critical patent/CN114133883A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/255—Polyesters
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/123—Treatment by wave energy or particle radiation
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00—Presence of polyester
    • C09J2467/006—Presence of polyester in the substrate

Abstract

The invention discloses a hardened antistatic acrylic protective film with a hardened zone and a preparation method thereof, wherein the hardened antistatic acrylic protective film comprises the following steps: coating ultraviolet curing antistatic hardening liquid on the first corona layer of the polyurethane PET film to form a hardening layer; coating antistatic acrylic glue on a second corona layer of the polyurethane PET film to form a glue surface layer; and sticking a release film on the adhesive surface layer to obtain the hardened antistatic acrylic protective film. The hardened layer is added, so that the wear resistance is better and the scratch is not easy to occur; the water drop angle of the hardened layer is more than 105 degrees, the smoothness is higher in the use process, and the use hand feeling is good; hardening layer and glue surface course all have antistatic properties simultaneously, effectively reduce static and produce, do not injure electronic components, reduce the adhesion of dust on the product surface, glue the surface course moreover not only exhaust effectually, it is more convenient more fast at attached in-process, the weatherability is strong moreover, the comprehensive properties is superior, application scope is wide, can be applied to the protection of cell-phone, panel, computer screen.

Description

Hardened belt antistatic acrylic protective film and preparation method thereof
Technical Field
The invention relates to the technical field of protective films, in particular to an antistatic acrylic protective film with a hardened band and a preparation method thereof.
Background
The protective film has been applied to various aspects of life, and can be classified into a digital product protective film, an automobile protective film, a household protective film, a food preservation protective film and the like according to purposes. The protective film generally has good adhesiveness and can be easily peeled off after use without contaminating the respective surfaces with an adhesive. In the production process of the protective film, some colloids such as acrylic glue, PU glue and silica gel are needed.
The utility model discloses a toughened glass membrane, including PET from type rete, high ya keli glue film, transparent PET substrate layer, low silica gel layer and the compound rete of PET, PET stacks gradually five layers of laminated structure of constitution from type rete, high ya keli glue film, transparent PET substrate layer, low silica gel layer and the compound rete of PET. The utility model discloses a high ya keli glue film laminating toughened glass, low silica gel layer laminating screen to play the protection screen. However, the protective film is liable to generate static electricity during use, and is not very satisfactory in terms of abrasion resistance and scratch resistance.
Disclosure of Invention
In view of the above disadvantages, the present invention is directed to a cured antistatic acrylic protective film and a method for preparing the same. The prepared hardened antistatic acrylic protective film is wear-resistant, is not easy to scratch, is antistatic, does not damage electronic components and does not absorb dust.
In order to achieve the purpose, the invention provides the technical scheme that: a preparation method of an antistatic acrylic protective film for a hardened belt comprises the following steps:
(1) preparing a polyurethane PET film with the thickness of 40-60 microns, and carrying out corona treatment on the upper surface and the lower surface of the polyurethane PET film to form a first corona layer and a second corona layer;
(2) uniformly coating ultraviolet curing antistatic hardening liquid on the first corona layer, wherein the coating thickness is 2-3 microns, and after the ultraviolet curing antistatic hardening liquid is coated, the ultraviolet curing antistatic hardening liquid is sent into an oven to be baked, wherein the temperature of a first section of the oven is 60 ℃, the temperature of a second section of the oven is 80 ℃, the temperature of the second section of the oven is 100 ℃, the temperature of a fifth section of the oven is 100 ℃, and the temperature of a sixth section of the oven is 80 ℃. Roasting in an oven, and then carrying out ultraviolet curing by using a UV machine to form a hardened layer after curing;
(3) uniformly coating antistatic acrylic glue on the second corona layer, wherein the release force of the antistatic acrylic glue is 1-10G, the coating thickness of the antistatic acrylic glue is 8-10 microns, the antistatic acrylic glue is coated and then sent into an oven for high-temperature curing, and a glue surface layer is formed after curing;
(4) and (3) pasting a release film with the thickness of 40-60 microns on the adhesive surface layer to obtain the hardened antistatic acrylic protective film.
The utility model provides an adopt antistatic ya keli protection film of hardening area that above-mentioned antistatic ya keli protection film preparation method of hardening area prepared, it includes polyurethane PET membrane, sclerosis layer, glues the surface course, leaves type membrane, first corona layer and second corona layer, sclerosis layer, first corona layer, polyurethane PET membrane, second corona layer, glue the surface course and leave type membrane from last superpose in proper order extremely down.
The invention has the beneficial effects that: the preparation method provided by the invention is simple, easy to implement and high in production efficiency, and can be used for quickly producing the hardened antistatic acrylic protective film. The antistatic acrylic protective film with the hardened band is additionally provided with the hardened layer, so that the hardened band is more wear-resistant and is not easy to scratch; the water drop angle of the hardened layer is more than 105 degrees, the smoothness is higher in the use process, and the use hand feeling is good; hardening layer and glue surface course all have antistatic properties simultaneously, effectively reduce static and produce, do not injure electronic components, reduce the adhesion of dust on the product surface, glue the surface course moreover not only exhaust effectually, it is more swift more convenient at attached in-process, the weatherability is strong moreover, the comprehensive properties is superior, application scope is wide, can be applied to the protection of making, shipment, use of cell-phone, panel, computer screen.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Detailed Description
Example (b): referring to fig. 1, an embodiment of the present invention provides a hardened antistatic acrylic protective film with a protective film, which includes a polyurethane PET film 1, a hardened layer 2, an adhesive surface layer 3, a release film 4, a first corona layer 5, and a second corona layer 6, wherein the hardened layer 2, the first corona layer 5, the polyurethane PET film 1, the second corona layer 6, the adhesive surface layer 3, and the release film 4 are sequentially stacked from top to bottom. In other embodiments, the hardened antistatic acrylic protective film may further include a heat dissipation silicone layer having a thickness of 40 to 60 μm, and the heat dissipation silicone layer is attached to the other surface of the release film. The heat dissipation silica gel layer is the silica gel film piece that has the heat dissipation function, and the heat dissipation rate is 3 ~ 8W/MK, can prevent simultaneously that sunshine from directly transmitting from the type layer and shine on antistatic ya keli glue film, avoids antistatic ya keli glue film ageing so that its viscidity became invalid, and the protection effect is good.
The preparation method of the antistatic acrylic protective film with the hardened band comprises the following steps:
(1) preparing a polyurethane PET film 1 with the thickness of 40-60 microns, and carrying out corona treatment on the upper surface and the lower surface of the polyurethane PET film 1 to form a first corona layer 5 and a second corona layer 6; the light transmittance of the polyurethane PET film 1 is more than or equal to 90 percent, and the haze is less than 1 percent;
(2) uniformly coating ultraviolet curing antistatic hardening liquid on the first corona layer 5, wherein the coating thickness is 2-3 microns, and the ultraviolet curing antistatic hardening liquid is coated on the first corona layer 5, and then the ultraviolet curing antistatic hardening liquid is sent into an oven to be baked, wherein the temperature of the first section of the oven is 60 ℃, the temperature of the second section of the oven is 80 ℃, the temperature of the second section of the oven is 100 ℃, the temperature of the fifth section of the oven is 100 ℃, and the temperature of the sixth section of the oven is 80 ℃. Baking in an oven, performing ultraviolet curing by using a UV machine, and forming a hardened layer 2 after curing, wherein the hardness of the hardened layer 2 is 2-3H, and the electrostatic value is 10 x 8-11;
(3) the antistatic acrylic glue is prepared, the hardening liquid is acrylic and can be fused with the fluorine-containing static liquid without reaction, so that the antistatic liquid is added into the hardening liquid according to the proportion of 5-15%, and the antistatic acrylic glue is prepared. Uniformly coating antistatic acrylic glue on the second corona layer 6 at a speed of 20M/min and a wet coating amount of 20 mu M/45 DEG by using a 120M/45-degree screen roller, wherein the release force of the antistatic acrylic glue is 1-10G, the coating thickness of the antistatic acrylic glue is 8-10 micrometers, the antistatic acrylic glue is fed into an oven for high-temperature curing after being coated, a glue surface layer 3 is formed after curing, and the viscosity of the glue surface layer 3 is 1-10G and the static value is 10 & lt 8-10 & gt;
(4) and (3) sticking a release film 4 with the thickness of 40-60 microns on the adhesive surface layer 3 to prepare the hardened antistatic acrylic protective film. Preferably, a heat dissipation silica gel layer with the thickness of 40-60 micrometers can be attached to the release film, the heat dissipation silica gel layer is a silica gel film sheet with a heat dissipation function, the heat dissipation rate is 3-8W/MK, meanwhile, sunlight can be prevented from directly transmitting through the release layer to irradiate on the antistatic acrylic adhesive layer, the antistatic acrylic adhesive layer is prevented from aging to cause viscosity failure, and the protection effect is good. The hardening layer 2 is additionally arranged on the antistatic acrylic protective film of the hardening belt, so that the hardening belt is more wear-resistant and is not easy to scratch; the water drop angle of the hardened layer 2 is more than 105 degrees, the smoothness is higher in the use process, and the use hand feeling is good; hardening layer 2 and glue surface course 3 all have antistatic properties simultaneously, effectively reduce static and produce, do not hinder electronic components, reduce the adhesion of dust on the product surface, glue surface course 3 moreover not only exhaust effectually, at attached in-process more swiftly more convenient, the weatherability is strong moreover.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the invention in any way, and other protective films and preparation methods which are the same as or similar to the terms are used within the protection scope of the invention.

Claims (10)

1. The preparation method of the antistatic acrylic protective film with the hardened belt is characterized by comprising the following steps of:
(1) carrying out corona treatment on the upper surface and the lower surface of the polyurethane PET film to form a first corona layer and a second corona layer;
(2) uniformly coating ultraviolet curing antistatic hardening liquid on the first corona layer, and forming a hardening layer after the ultraviolet curing antistatic hardening liquid is cured;
(3) uniformly coating antistatic acrylic glue on the second corona layer, and forming a glue surface layer after curing;
(4) and sticking a release film on the adhesive surface layer to obtain the hardened antistatic acrylic protective film.
2. The method for preparing the antistatic acrylic protective film with the curing function according to claim 1, wherein the thickness of the polyurethane PET film is 40-60 micrometers.
3. The method for preparing the antistatic acrylic protective film with the curing function according to claim 1, wherein the coating thickness of the ultraviolet curing antistatic curing liquid is 2-3 microns.
4. The method for preparing a cured antistatic acrylic protective film according to claim 1, wherein the ultraviolet curable antistatic curing liquid is coated in the step (2) and then the coated ultraviolet curable antistatic curing liquid is put into an oven to be baked, wherein the oven has a first temperature of 60 ℃, a second temperature of 80 ℃, a second temperature of 100 ℃, a fifth temperature of 100 ℃ and a sixth temperature of 80 ℃.
5. The method for preparing a hardening antistatic acrylic protective film according to claim 4, wherein the step (2) is baked in an oven and then UV-cured by a UV machine.
6. The method for preparing a cured antistatic acrylic protective film according to claim 1, wherein the step (2) is carried out by coating an antistatic acrylic glue and then sending the coated antistatic acrylic glue into an oven for high temperature curing.
7. The method for preparing the antistatic acrylic protective film with the curing tape according to claim 1, wherein the release force of the antistatic acrylic glue is 1-10G.
8. The method for preparing the antistatic acrylic protective film for the hardened tape according to claim 1, wherein the coating thickness of the antistatic acrylic glue is 8-10 microns.
9. The method for preparing the antistatic acrylic protective film with the curing function according to claim 1, wherein the thickness of the release film is 40-60 micrometers.
10. The hardened antistatic acrylic protective film is characterized by comprising a polyurethane PET (polyethylene terephthalate) film, a hardened layer, an adhesive surface layer, a release film, a first corona layer and a second corona layer, wherein the hardened layer, the first corona layer, the polyurethane PET film, the second corona layer, the adhesive surface layer and the release film are sequentially stacked from top to bottom.
CN202111666656.3A 2021-12-31 2021-12-31 Hardened belt antistatic acrylic protective film and preparation method thereof Pending CN114133883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111666656.3A CN114133883A (en) 2021-12-31 2021-12-31 Hardened belt antistatic acrylic protective film and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111666656.3A CN114133883A (en) 2021-12-31 2021-12-31 Hardened belt antistatic acrylic protective film and preparation method thereof

Publications (1)

Publication Number Publication Date
CN114133883A true CN114133883A (en) 2022-03-04

Family

ID=80384198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111666656.3A Pending CN114133883A (en) 2021-12-31 2021-12-31 Hardened belt antistatic acrylic protective film and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114133883A (en)

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