CN113789133A - Double-layer antistatic acrylic protective film and preparation method thereof - Google Patents

Double-layer antistatic acrylic protective film and preparation method thereof Download PDF

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CN113789133A
CN113789133A CN202111028447.6A CN202111028447A CN113789133A CN 113789133 A CN113789133 A CN 113789133A CN 202111028447 A CN202111028447 A CN 202111028447A CN 113789133 A CN113789133 A CN 113789133A
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layer
antistatic
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protective film
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喻伯强
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Jiangsu Chuangke New Material Technology Co ltd
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Jiangsu Chuangke New Material Technology Co ltd
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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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • 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
    • C09J135/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J135/06—Copolymers with vinyl aromatic monomers
    • 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
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • 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
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • 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
    • C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
    • 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
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
    • 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 relates to the technical field of protective films, in particular to a double-layer antistatic acrylic protective film and a preparation method thereof, wherein the double-layer antistatic acrylic protective film comprises a fluoroplastic release film, a modified acrylic adhesive layer and a PET transparent film which are sequentially stacked from top to bottom, the modified acrylic adhesive is obtained by modifying a heat-resistant polymer and an antistatic polymer, a blue light-proof layer is coated on the contact surface of the PET transparent film and the modified acrylic adhesive layer, and an antibacterial antistatic layer is coated on the lower surface of the PET transparent film; the thickness of the modified acrylic adhesive layer is 25 micrometers, and the thickness of the PET transparent film is 35 micrometers; according to the invention, the acrylic adhesive is modified by adopting the heat-resistant polymer and the antistatic polymer, so that the high temperature resistance and the antistatic performance of the acrylic adhesive are improved, meanwhile, the acrylic adhesive with the antistatic performance is adopted, the PET film is coated with the antibacterial antistatic layer, and the structural design of the two antistatic layers improves the antistatic performance of the acrylic protective film, the antibacterial performance of the protective film and the use safety of the protective film.

Description

Double-layer antistatic acrylic protective film and preparation method thereof
Technical Field
The invention relates to the technical field of protective films, in particular to a double-layer antistatic acrylic protective film and a preparation method thereof.
Background
The acrylic protective film has good transparency, chemical stability and weather resistance, is easy to dye and process, has beautiful appearance, is popular in the new material industry, and is also famous and noisy in the field of protective films. The acrylic has higher transparency, soft light and clear vision, the acrylic colored by the dye has good color spreading effect, has light transmittance comparable to glass, but has half of the density of the glass. In addition, the acrylic adhesive is not as fragile as glass, and does not form sharp fragments like glass even if damaged, so that the acrylic adhesive is an ideal material for protecting films of electronic products.
In the aspect of processing, the characteristics of the acrylic adhesive are particularly good, the acrylic adhesive has good weather resistance, higher surface hardness and surface gloss and better high-temperature performance, and the acrylic adhesive can be thermoformed or machined. The wear resistance of the acrylic is close to that of aluminum, the stability is good, and the acrylic is resistant to corrosion of various chemicals, so that the acrylic is also beneficial to mixing with other chemical compounds in the processing process.
However, the adhesiveness of the acrylic adhesive is high, the adhesive remains after being torn off, and the temperature resistance and stability of the acrylic adhesive are inferior to those of the silica gel.
Disclosure of Invention
The purpose of the invention is: overcomes the defects in the prior art and provides a double-layer antistatic acrylic protective film.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a double-deck antistatic ya keli protection film, includes fluoroplastic release film, modified ya keli glue film and the transparent membrane of PET that from the top down stacked gradually the setting, modified yakeli glue adopts heat-resisting polymer and antistatic polymer to modify and obtains, it has the blue light layer of one deck prevention to coat on the contact surface of the transparent membrane of PET and modified yakeli glue film, the lower surface coating of the transparent membrane of PET has one deck antibiotic antistatic layer;
the thickness of modified ya keli glue film is 25 μm, the thickness of PET transparent film is 35 μm.
Further, the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
Further, the modified acrylic adhesive comprises the following components in parts by mass:
100 parts of modified polyacrylic resin, 1-3 parts of acrylic resin, 0.2-0.8 part of isocyanate, 0.12-0.18 part of azodiisobutyronitrile, 2.5-3.2 parts of phenyl glycidyl ether and 5-8 parts of polyvinyl alcohol.
Further, the preparation method of the modified polyacrylic resin comprises the following steps:
fully mixing 100 parts of terephthalic acid, 120 parts of ethylene glycol and 0.12 part of sodium acetate, transferring the mixture into a reaction kettle, heating the mixture to 230 ℃ under nitrogen atmosphere, controlling the pressure to be 0.15Mpa, adding 10-20 parts of N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer and 0.04 part of ethylene glycol antimony when the reaction water yield reaches 98% of the theoretical water yield, transferring the mixture into a pre-polycondensation reaction kettle for pre-polycondensation reaction, adding a quaternary ammonium salt maleimide copolymer for final polycondensation reaction, and obtaining the modified polyacrylic resin.
Further, the pre-polycondensation reaction temperature of the pre-polycondensation is 260-265 ℃, the pressure is 1150Pa, and the reaction time is 45-60 min.
Further, the vacuum degree of the final polycondensation is 116Pa, the reaction temperature is controlled to be 270-285 ℃, and the reaction time is 35-50 min.
Further, the thickness of the antibacterial and antistatic layer is 5-10 μm.
Further, the preparation method of the antibacterial and antistatic layer comprises the following steps: mixing methyl (meth) acrylate copolymer PEG and titanium ethoxide according to the mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 0.8-1.2 wt% of silane coupling agent, 0.8-2.4 wt% of photoinitiator benzophenone and 0.001 wt% of nano silver simple substance, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h, and obtaining the antistatic coating.
Another object of the invention is: the preparation method of the double-layer antistatic acrylic protective film is simple in process and low in production cost.
A preparation method of a double-layer antistatic acrylic protective film comprises the following steps:
1) a layer of blue-light-proof layer and an antibacterial and antistatic layer are distributed and coated on the lower surface of the PET transparent film;
2) 100 parts of modified polyacrylic resin, 1-3 parts of acrylic resin, 0.2-0.8 part of isocyanate, 0.12-0.18 part of azodiisobutyronitrile, 2.5-3.2 parts of phenyl glycidyl ether, 5-8 parts of polyvinyl alcohol and 200 parts of deionized water are mixed and stirred uniformly to obtain modified acrylic glue for later use;
3) coating the modified acrylic adhesive in the step 1) on one side surface of a fluoroplastic release film, and performing ultraviolet irradiation treatment;
4) and (3) attaching the side surface of the PET coated with the blue-light-proof layer to an acrylic adhesive layer of the fluoroplastic release film to obtain the double-layer antistatic acrylic protective film.
The technical scheme adopted by the invention has the beneficial effects that:
according to the invention, the acrylic adhesive is modified by adopting the heat-resistant polymer and the antistatic polymer, so that the high temperature resistance and the antistatic performance of the acrylic adhesive are improved, meanwhile, the acrylic adhesive with the antistatic performance is adopted, the PET film is coated with the antibacterial antistatic layer, and the structural design of the two antistatic layers obviously improves the antistatic performance of the acrylic protective film, improves the antibacterial performance of the protective film and obviously improves the use safety of the protective film.
According to the invention, by adding phenyl glycidyl ether and polyvinyl alcohol into the acrylic adhesive, the cohesiveness of the acrylic adhesive can be effectively reduced, the exhaust performance of the acrylic adhesive is improved, and the problem of adhesive residue of the acrylic protective film in the using process is solved.
Drawings
Fig. 1 is a schematic layer structure diagram of a double-layer antistatic acrylic protective film according to the present invention.
In the figure: 1 fluoroplastic release film, 2 modified acrylic adhesive layer, 3 anti-blue light layer, 4PET transparent film and 5 antibacterial and antistatic layer.
Detailed Description
The double-layer double-antistatic PU adhesive protective film of the invention is further described below with reference to the detailed description and the drawings.
The test methods used in the following examples are all conventional methods unless otherwise specified.
The materials and reagents used in the following examples are commercially available, unless otherwise specified.
Example 1
Referring to fig. 1, the double-layer antistatic acrylic protective film comprises a fluoroplastic release film 1, a modified acrylic adhesive layer 2 and a PET transparent film 4 which are sequentially stacked from top to bottom, wherein the modified acrylic adhesive is obtained by modifying a heat-resistant polymer and an antistatic polymer, a blue light-proof layer 3 is coated on the contact surface of the PET transparent film 4 and the modified acrylic adhesive layer 2, and an antibacterial antistatic layer 5 is coated on the lower surface of the PET transparent film 4; the thickness of the modified acrylic adhesive layer 2 is 25 μm, and the thickness of the PET transparent film 4 is 35 μm.
Wherein, the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
The modified acrylic adhesive comprises the following components in parts by mass:
100 parts of modified polyacrylic resin, 1 part of acrylic resin, 0.2 part of isocyanate, 0.12 part of azodiisobutyronitrile, 2.5 parts of phenyl glycidyl ether and 5 parts of polyvinyl alcohol.
The preparation method of the modified polyacrylic resin comprises the following steps:
fully mixing 100 parts of terephthalic acid, 120 parts of ethylene glycol and 0.12 part of sodium acetate, transferring the mixture into a reaction kettle, heating the mixture to 230 ℃ under a nitrogen atmosphere, controlling the pressure to be 0.15MPa, adding 10 parts of N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer and 0.04 part of ethylene glycol antimony when the reaction water yield reaches 98% of the theoretical water yield, transferring the mixture into a pre-polycondensation reaction kettle for pre-polycondensation reaction, wherein the pre-polycondensation reaction temperature of the pre-polycondensation is 260 ℃ and 265 ℃, the pressure is 1150Pa, the reaction time is 45-60min, adding a quaternary ammonium salt maleimide copolymer, and carrying out final polycondensation reaction to obtain the modified polyacrylic resin, wherein the final polycondensation vacuum degree is 116Pa, the reaction temperature is controlled to be 270 ℃ and 285 ℃, and the reaction time is 35-50 min.
Wherein, the thickness of the antibacterial and antistatic layer 5 is 5 μm.
The preparation method of the antibacterial and antistatic layer 5 comprises the following steps: mixing methyl (meth) acrylate copolymer PEG and titanium ethoxide according to the mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 0.8 wt% of silane coupling agent, 0.8 wt% of photoinitiator benzophenone and 0.001 wt% of nano silver simple substance, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h to obtain the antistatic coating.
Example 2
Referring to fig. 1, the double-layer antistatic acrylic protective film comprises a fluoroplastic release film 1, a modified acrylic adhesive layer 2 and a PET transparent film 4 which are sequentially stacked from top to bottom, wherein the modified acrylic adhesive is obtained by modifying a heat-resistant polymer and an antistatic polymer, a blue light-proof layer 3 is coated on the contact surface of the PET transparent film 4 and the modified acrylic adhesive layer 2, and an antibacterial antistatic layer 5 is coated on the lower surface of the PET transparent film 4; the thickness of the modified acrylic adhesive layer 2 is 25 μm, and the thickness of the PET transparent film 4 is 35 μm.
Wherein, the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
The modified acrylic adhesive comprises the following components in parts by mass:
100 parts of modified polyacrylic resin, 1.5 parts of acrylic resin, 0.3 part of isocyanate, 0.14 part of azodiisobutyronitrile, 2.6 parts of phenyl glycidyl ether and 6 parts of polyethylene.
The preparation method of the modified polyacrylic resin comprises the following steps:
fully mixing 100 parts of terephthalic acid, 120 parts of ethylene glycol and 0.12 part of sodium acetate, transferring the mixture into a reaction kettle, heating the mixture to 230 ℃ under a nitrogen atmosphere, controlling the pressure to be 0.15MPa, adding 12 parts of N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer and 0.04 part of ethylene glycol antimony when the reaction water yield reaches 98% of the theoretical water yield, transferring the mixture into a pre-polycondensation reaction kettle for pre-polycondensation reaction, wherein the pre-polycondensation reaction temperature of the pre-polycondensation is 260 ℃ and 265 ℃, the pressure is 1150Pa, the reaction time is 45-60min, adding a quaternary ammonium salt maleimide copolymer, and carrying out final polycondensation reaction to obtain the modified polyacrylic resin, wherein the final polycondensation vacuum degree is 116Pa, the reaction temperature is controlled to be 270 ℃ and 285 ℃, and the reaction time is 35-50 min.
Wherein, the thickness of the antibacterial and antistatic layer 5 is 6 μm.
The preparation method of the antibacterial and antistatic layer 5 comprises the following steps: mixing methyl (meth) acrylate copolymer PEG and titanium ethoxide according to the mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 0.9 wt% of silane coupling agent, 1.2 wt% of photoinitiator benzophenone and 0.001 wt% of nano silver, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h, and obtaining the antistatic coating.
Example 3
Referring to fig. 1, the double-layer antistatic acrylic protective film comprises a fluoroplastic release film 1, a modified acrylic adhesive layer 2 and a PET transparent film 4 which are sequentially stacked from top to bottom, wherein the modified acrylic adhesive is obtained by modifying a heat-resistant polymer and an antistatic polymer, a blue light-proof layer 3 is coated on the contact surface of the PET transparent film 4 and the modified acrylic adhesive layer 2, and an antibacterial antistatic layer 5 is coated on the lower surface of the PET transparent film 4; the thickness of the modified acrylic adhesive layer 2 is 25 μm, and the thickness of the PET transparent film 4 is 35 μm.
Wherein, the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
The modified acrylic adhesive comprises the following components in parts by mass:
100 parts of modified polyacrylic resin, 2 parts of acrylic resin, 0.5 part of isocyanate, 0.15 part of azodiisobutyronitrile, 2 parts of phenyl glycidyl ether and 6.5 parts of polyvinyl alcohol.
The preparation method of the modified polyacrylic resin comprises the following steps:
fully mixing 100 parts of terephthalic acid, 120 parts of ethylene glycol and 0.12 part of sodium acetate, transferring the mixture into a reaction kettle, heating the mixture to 230 ℃ under a nitrogen atmosphere, controlling the pressure to be 0.15Mpa, adding 15 parts of N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer and 0.04 part of ethylene glycol antimony when the reaction water yield reaches 98% of the theoretical water yield, transferring the mixture into a pre-polycondensation reaction kettle for pre-polycondensation reaction, wherein the pre-polycondensation reaction temperature of the pre-polycondensation is 260 ℃ and 265 ℃, the pressure is 1150Pa, the reaction time is 45-60min, adding a quaternary ammonium salt maleimide copolymer, and carrying out final polycondensation reaction to obtain the modified polyacrylic resin, wherein the final polycondensation vacuum degree is 116Pa, the reaction temperature is controlled to be 270 ℃ and 285 ℃, and the reaction time is 35-50 min.
Wherein, the thickness of the antibacterial and antistatic layer 5 is 7 μm.
The preparation method of the antibacterial and antistatic layer 5 comprises the following steps: mixing methyl (meth) acrylate copolymer PEG and titanium ethoxide according to the mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 0.9 wt% of silane coupling agent, 1.2 wt% of photoinitiator benzophenone and 0.001 wt% of nano silver, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h, and obtaining the antistatic coating.
Example 4
Referring to fig. 1, the double-layer antistatic acrylic protective film comprises a fluoroplastic release film 1, a modified acrylic adhesive layer 2 and a PET transparent film 4 which are sequentially stacked from top to bottom, wherein the modified acrylic adhesive is obtained by modifying a heat-resistant polymer and an antistatic polymer, a blue light-proof layer 3 is coated on the contact surface of the PET transparent film 4 and the modified acrylic adhesive layer 2, and an antibacterial antistatic layer 5 is coated on the lower surface of the PET transparent film 4; the thickness of the modified acrylic adhesive layer 2 is 25 μm, and the thickness of the PET transparent film 4 is 35 μm.
Wherein, the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
The modified acrylic adhesive comprises the following components in parts by mass:
100 parts of modified polyacrylic resin, 2.5 parts of acrylic resin, 0.6 part of isocyanate, 0.16 part of azodiisobutyronitrile, 3 parts of phenyl glycidyl ether and 7.5 parts of polyvinyl alcohol.
The preparation method of the modified polyacrylic resin comprises the following steps:
fully mixing 100 parts of terephthalic acid, 120 parts of ethylene glycol and 0.12 part of sodium acetate, transferring the mixture into a reaction kettle, heating the mixture to 230 ℃ under a nitrogen atmosphere, controlling the pressure to be 0.15MPa, adding 18 parts of N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer and 0.04 part of ethylene glycol antimony when the reaction water yield reaches 98% of the theoretical water yield, transferring the mixture into a pre-polycondensation reaction kettle for pre-polycondensation reaction, wherein the pre-polycondensation reaction temperature of the pre-polycondensation is 260 ℃ and 265 ℃, the pressure is 1150Pa, the reaction time is 45-60min, adding a quaternary ammonium salt maleimide copolymer, and carrying out final polycondensation reaction to obtain the modified polyacrylic resin, wherein the final polycondensation vacuum degree is 116Pa, the reaction temperature is controlled to be 270 ℃ and 285 ℃, and the reaction time is 35-50 min.
Wherein, the thickness of the antibacterial and antistatic layer 5 is 8 μm.
The preparation method of the antibacterial and antistatic layer 5 comprises the following steps: mixing a (methyl) methyl acrylate copolymer PEG and titanium ethoxide according to a mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 1 wt% of a silane coupling agent, 2.2 wt% of a photoinitiator benzophenone and 0.001 wt% of a nano silver simple substance, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h, and obtaining the antistatic coating.
Example 5
Referring to fig. 1, the double-layer antistatic acrylic protective film comprises a fluoroplastic release film 1, a modified acrylic adhesive layer 2 and a PET transparent film 4 which are sequentially stacked from top to bottom, wherein the modified acrylic adhesive is obtained by modifying a heat-resistant polymer and an antistatic polymer, a blue light-proof layer 3 is coated on the contact surface of the PET transparent film 4 and the modified acrylic adhesive layer 2, and an antibacterial antistatic layer 5 is coated on the lower surface of the PET transparent film 4; the thickness of the modified acrylic adhesive layer 2 is 25 μm, and the thickness of the PET transparent film 4 is 35 μm.
Wherein, the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
The modified acrylic adhesive comprises the following components in parts by mass:
100 parts of modified polyacrylic resin, 3 parts of acrylic resin, 0.8 part of isocyanate, 0.18 part of azodiisobutyronitrile, 3.2 parts of phenyl glycidyl ether and 8 parts of polyvinyl alcohol.
The preparation method of the modified polyacrylic resin comprises the following steps:
fully mixing 100 parts of terephthalic acid, 120 parts of ethylene glycol and 0.12 part of sodium acetate, transferring the mixture into a reaction kettle, heating the mixture to 230 ℃ under a nitrogen atmosphere, controlling the pressure to be 0.15MPa, adding 20 parts of N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer and 0.04 part of ethylene glycol antimony when the reaction water yield reaches 98% of the theoretical water yield, transferring the mixture into a pre-polycondensation reaction kettle for pre-polycondensation reaction, wherein the pre-polycondensation reaction temperature of the pre-polycondensation is 260 ℃ and 265 ℃, the pressure is 1150Pa, the reaction time is 45-60min, adding a quaternary ammonium salt maleimide copolymer, and carrying out final polycondensation reaction to obtain the modified polyacrylic resin, wherein the final polycondensation vacuum degree is 116Pa, the reaction temperature is controlled to be 270 ℃ and 285 ℃, and the reaction time is 35-50 min.
Wherein, the thickness of the antibacterial and antistatic layer 5 is 10 μm.
The preparation method of the antibacterial and antistatic layer 5 comprises the following steps: mixing a (methyl) methyl acrylate copolymer PEG and titanium ethoxide according to a mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 1.2 wt% of a silane coupling agent, 2.4 wt% of a photoinitiator benzophenone and 0.001 wt% of a nano silver simple substance, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h, and obtaining the antistatic coating.
Comparative example 1 (in this example, ordinary acrylic rubber is used, and thermal cracking carbon black with antistatic agent is added)
A double-layer antistatic acrylic protective film comprises a fluoroplastic release film 1, an acrylic adhesive layer and a PET transparent film 4 which are sequentially stacked from top to bottom, wherein thermal cracking carbon black is added into the acrylic adhesive, a blue light prevention layer 3 is coated on the contact surface of the PET transparent film 4 and the acrylic adhesive layer, and an antibacterial antistatic layer 5 is coated on the lower surface of the PET transparent film 4; the thickness of the acrylic adhesive layer is 25 μm, and the thickness of the PET transparent film 4 is 35 μm.
Wherein, the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
Wherein, the thickness of the antibacterial and antistatic layer 5 is 7 μm.
The preparation method of the antibacterial and antistatic layer 5 comprises the following steps: mixing methyl (meth) acrylate copolymer PEG and titanium ethoxide according to the mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 0.9 wt% of silane coupling agent, 1.2 wt% of photoinitiator benzophenone and 0.001 wt% of nano silver, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h, and obtaining the antistatic coating.
The preparation methods of the double-layered antistatic acryl protective film in examples 1 to 5 and comparative example 1 include the steps of:
1) a blue light prevention layer 3 and an antibacterial antistatic layer 5 are distributed and coated on the lower surface of the PET transparent film 4;
2) 100 parts of modified polyacrylic resin, 1-3 parts of acrylic resin, 0.2-0.8 part of isocyanate, 0.12-0.18 part of azodiisobutyronitrile, 2.5-3.2 parts of phenyl glycidyl ether, 5-8 parts of polyvinyl alcohol and 200 parts of deionized water are mixed and stirred uniformly to obtain modified acrylic glue for later use;
3) coating the modified acrylic adhesive in the step 1) on one side surface of a fluoroplastic release film 1, and performing ultraviolet irradiation treatment;
4) and (3) coating the side surface of the blue light prevention layer 3 on the PET with an acrylic adhesive layer of a fluoroplastic release film 1 to obtain the double-layer antistatic acrylic protective film.
TABLE 1
Figure BDA0003244382780000101
Test methods for each parameter in table 1:
180 degree peel force: GB/T2792-2014
Tensile breaking strength: GB/T10654-2001
Elongation at break: GB/T10654-2001
Surface resistance: ASTM D25793
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment contains only one independent claim, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a double-deck antistatic ya keli protection film which characterized in that: the modified acrylic adhesive film is obtained by modifying heat-resistant polymer and antistatic polymer, a blue light prevention layer is coated on the contact surface of the PET transparent film and the modified acrylic adhesive layer, and a layer of antibacterial and antistatic layer is coated on the lower surface of the PET transparent film;
the thickness of modified ya keli glue film is 25 μm, the thickness of PET transparent film is 35 μm.
2. The double-layer antistatic acrylic protective film according to claim 1, wherein: the heat-resistant polymer adopts an N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer; the antistatic polymer is a quaternary ammonium maleimide copolymer.
3. The double-layer antistatic acrylic protective film according to claim 2, wherein: the modified acrylic adhesive comprises the following components in parts by mass:
100 parts of modified polyacrylic resin, 1-3 parts of acrylic resin, 0.2-0.8 part of isocyanate, 0.12-0.18 part of azodiisobutyronitrile, 2.5-3.2 parts of phenyl glycidyl ether and 5-8 parts of polyvinyl alcohol.
4. The double-layer antistatic acrylic protective film according to claim 3, wherein: the preparation method of the modified polyacrylic resin comprises the following steps:
fully mixing 100 parts of terephthalic acid, 120 parts of ethylene glycol and 0.12 part of sodium acetate, transferring the mixture into a reaction kettle, heating the mixture to 230 ℃ under nitrogen atmosphere, controlling the pressure to be 0.15Mpa, adding 10-20 parts of N-naphthylmaleimide-naphthylethylene-acrylonitrile terpolymer and 0.04 part of ethylene glycol antimony when the reaction water yield reaches 98% of the theoretical water yield, transferring the mixture into a pre-polycondensation reaction kettle for pre-polycondensation reaction, adding a quaternary ammonium salt maleimide copolymer for final polycondensation reaction, and obtaining the modified polyacrylic resin.
5. The double-layer antistatic acrylic protective film according to claim 4, wherein: the pre-polycondensation reaction temperature of the pre-polycondensation is 260-265 ℃, the pressure is 1150Pa, and the reaction time is 45-60 min.
6. The double-layer antistatic acrylic protective film according to claim 4, wherein: the vacuum degree of the final polycondensation is 116Pa, the reaction temperature is controlled to be 270-285 ℃, and the reaction time is 35-50 min.
7. The double-layer antistatic acrylic protective film according to claim 1, wherein: the thickness of the antibacterial and antistatic layer is 5-10 μm.
8. The double-layer antistatic acrylic protective film according to claim 1, wherein: the preparation method of the antibacterial and antistatic layer comprises the following steps: mixing methyl (meth) acrylate copolymer PEG and titanium ethoxide according to the mass ratio of 2:1, adding distilled water, mixing and stirring uniformly, adding 0.8-1.2 wt% of silane coupling agent, 0.8-2.4 wt% of photoinitiator benzophenone and 0.001 wt% of nano silver simple substance, stirring and mixing uniformly at a high speed, standing and defoaming for 1.5-2.5h, and obtaining the antistatic coating.
9. The preparation method of the double-layer antistatic acrylic protective film is characterized by comprising the following steps:
1) a layer of blue-light-proof layer and an antibacterial and antistatic layer are distributed and coated on the lower surface of the PET transparent film;
2) 100 parts of modified polyacrylic resin, 1-3 parts of acrylic resin, 0.2-0.8 part of isocyanate, 0.12-0.18 part of azodiisobutyronitrile, 2.5-3.2 parts of phenyl glycidyl ether, 5-8 parts of polyvinyl alcohol and 200 parts of deionized water are mixed and stirred uniformly to obtain modified acrylic glue for later use;
3) coating the modified acrylic adhesive in the step 1) on one side surface of a fluoroplastic release film, and performing ultraviolet irradiation treatment;
4) and (3) attaching the side surface of the PET coated with the blue-light-proof layer to an acrylic adhesive layer of the fluoroplastic release film to obtain the double-layer antistatic acrylic protective film.
CN202111028447.6A 2021-09-02 2021-09-02 Double-layer antistatic acrylic protective film and preparation method thereof Pending CN113789133A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114456728A (en) * 2021-12-31 2022-05-10 江苏吉腾新材料科技有限公司 High-temperature-resistant acrylic protective film and preparation method thereof
CN114479703A (en) * 2021-12-31 2022-05-13 江苏吉腾新材料科技有限公司 Multilayer composite heat-insulating acrylic protective film and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101503543A (en) * 2008-02-04 2009-08-12 中国石油天然气股份有限公司 Maleimide heat resisting composition and preparation
CN206298543U (en) * 2016-11-01 2017-07-04 东莞市蓝恩科技有限公司 A kind of anlistatig diaphragm
CN112852323A (en) * 2019-11-28 2021-05-28 湖南尚鑫新材料科技有限公司 PET (polyethylene terephthalate) anti-static acrylic protective film and preparation method thereof
CN113278373A (en) * 2021-03-30 2021-08-20 东莞戴卡电子科技有限公司 Multifunctional adhesive tape and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101503543A (en) * 2008-02-04 2009-08-12 中国石油天然气股份有限公司 Maleimide heat resisting composition and preparation
CN206298543U (en) * 2016-11-01 2017-07-04 东莞市蓝恩科技有限公司 A kind of anlistatig diaphragm
CN112852323A (en) * 2019-11-28 2021-05-28 湖南尚鑫新材料科技有限公司 PET (polyethylene terephthalate) anti-static acrylic protective film and preparation method thereof
CN113278373A (en) * 2021-03-30 2021-08-20 东莞戴卡电子科技有限公司 Multifunctional adhesive tape and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王文广: "《"十三五"普通高等教育本科规划教材 聚合物改性原理》", 31 March 2018, 中国轻工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114456728A (en) * 2021-12-31 2022-05-10 江苏吉腾新材料科技有限公司 High-temperature-resistant acrylic protective film and preparation method thereof
CN114479703A (en) * 2021-12-31 2022-05-13 江苏吉腾新材料科技有限公司 Multilayer composite heat-insulating acrylic protective film and preparation method thereof

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