CN115141561A - Antistatic PET film for electronic product - Google Patents

Antistatic PET film for electronic product Download PDF

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Publication number
CN115141561A
CN115141561A CN202210667357.XA CN202210667357A CN115141561A CN 115141561 A CN115141561 A CN 115141561A CN 202210667357 A CN202210667357 A CN 202210667357A CN 115141561 A CN115141561 A CN 115141561A
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parts
antistatic
coating
pet film
antistatic coating
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CN202210667357.XA
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CN115141561B (en
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杨晓明
涂大记
潘华
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Zhejiang Ouren New Materials Co ltd
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Zhejiang Ouren New Materials 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
    • C09D129/00—Coating compositions 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
    • C09D129/02—Homopolymers or copolymers of unsaturated alcohols
    • C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • 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
    • 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
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • 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
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/16—Anti-static materials
    • 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
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
    • 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
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • 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
    • C09J2429/00—Presence of polyvinyl alcohol
    • C09J2429/003—Presence of polyvinyl alcohol in the primer coating
    • 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
    • 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
    • C09J2475/00—Presence of polyurethane
    • C09J2475/003—Presence of polyurethane in the primer coating

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Elimination Of Static Electricity (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses an anti-static PET film for electronic products, which comprises a substrate layer, a first anti-static coating and a second anti-static coating, wherein the first anti-static coating and the second anti-static coating are respectively positioned on the upper surface and the lower surface of the substrate layer, a pressure-sensitive adhesive layer is positioned between a release layer and the second anti-static coating, the pressure-sensitive adhesive layer is positioned on the surface of the second anti-static coating opposite to the substrate layer, and the coating solution comprises the following components in parts by weight: polyurethane resin, polyvinyl alcohol, sodium octyl sulfate, N-ethyl-N- (3-sulfopropyl) -3-methylaniline sodium salt, dioctyl terephthalate, N-butyl alcohol, isobutyl acetate, castor oil polyoxyethylene ether, triethylene tetramine, silane coupling agent, antioxidant and flatting agent. The invention not only improves the antistatic performance, but also ensures that the surface resistance change of the antistatic PET film for electronic products is almost small under the condition of larger environmental humidity shadow change, and the antistatic performance is stable.

Description

Antistatic PET film for electronic product
Technical Field
The invention belongs to the technical field of protective films, and particularly relates to an anti-static PET film for an electronic product.
Background
On the other hand, the surfaces of products such as electronic products are easily contaminated by contact or scratched by abrasion during transportation and use. On the other hand, under the demand of lighter, thinner, smaller and smaller electronic devices, the power density of electrical operation needs to be increased continuously, and the application occasions of these electronic products generally have the requirement of static prevention, because the existence of static electricity is not only that dust is easily adsorbed on the surface of the product, which affects the precision of the circuit more, or causes circuit breakdown in the processing process of the electronic product, which makes the product fail. Therefore, it is necessary to perform an electrostatic protection process on the protective film.
The existing antistatic film is greatly influenced by the environmental humidity, and the antistatic performance is unstable, so that the humidity change interval of an electronic product pasted with the antistatic film is large in the process flow or the use environment and the like, and uncertain risks are brought to the product. Therefore, how to develop an antistatic film having stable antistatic performance and little influence from environmental humidity has become an effort for those skilled in the art.
Disclosure of Invention
The invention aims to provide an anti-static PET film for an electronic product, which not only improves the anti-static performance, but also ensures that the surface resistance of the anti-static film is changed almost very little and the anti-static performance is stable under the condition of large environmental humidity shadow change, thereby being suitable for the process flow and climate of complex electronic products and greatly reducing the damage probability of the electronic products.
In order to achieve the purpose, the invention adopts the technical scheme that: an anti-static PET film for electronic products comprises a base material layer, a first anti-static coating and a second anti-static coating, wherein the first anti-static coating and the second anti-static coating are respectively positioned on the upper surface and the lower surface of the base material layer;
the first antistatic coating and the second antistatic coating are both obtained by drying coating liquid, and the coating liquid consists of the following components in parts by weight: 100 parts of polyurethane resin, 45 parts of polyvinyl alcohol, 3 parts of sodium octyl sulfate, 2 parts of N-ethyl-N- (3-sulfopropyl) -3-methylaniline sodium salt, 9 parts of dioctyl terephthalate, 50 parts of N-butyl alcohol, 24 parts of isobutyl acetate, 0.6 part of castor oil polyoxyethylene ether, 0.4 part of triethylene tetramine, 1.2 parts of silane coupling agent, 1.8 parts of antioxidant and 0.7 part of flatting agent.
The technical scheme of further improvement in the technical scheme is as follows:
1. in the above embodiment, the antioxidant is selected from antioxidant 1010.
2. In the above embodiment, the leveling agent is selected from the leveling agents 440.
3. In the above scheme, the substrate layer is a PET layer.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the antistatic PET film for the electronic product, the octyl sodium sulfate, the N-ethyl-N- (3-sulfopropyl) -3-methylaniline sodium salt and the castor oil polyoxyethylene ether are added, so that the antistatic performance is improved, the surface resistance change of the antistatic film is almost small under the condition of large environmental humidity influence change, the antistatic performance is stable, the antistatic PET film is suitable for the complex process flow and climate of the electronic product, and the probability of damage of the electronic product is greatly reduced.
Drawings
FIG. 1 is a schematic structural view of an antistatic PET film for electronic products according to the present invention;
fig. 2 is a partial schematic view of fig. 1.
In the drawings above: 1. a substrate layer; 2. a first antistatic coating; 3. a second antistatic coating; 4. a pressure sensitive adhesive layer; 5. and a release layer.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
The invention is further described below with reference to examples:
example (b): an anti-static PET film for an electronic product comprises a substrate layer 1, a first anti-static coating 2 and a second anti-static coating 3, wherein the first anti-static coating 2 and the second anti-static coating 3 are respectively positioned on the upper surface and the lower surface of the substrate layer 1, a pressure-sensitive adhesive layer 4 is positioned between a release layer 5 and the second anti-static coating 3, and the pressure-sensitive adhesive layer 4 is positioned on the surface of the second anti-static coating 3 opposite to the substrate layer 1;
the first antistatic coating 2 and the second antistatic coating 3 are both obtained by drying coating liquid, and the coating liquid consists of the following components in parts by weight: 100 parts of polyurethane resin, 45 parts of polyvinyl alcohol, 3 parts of sodium octyl sulfate, 2 parts of N-ethyl-N- (3-sulfopropyl) -3-methylaniline sodium salt, 9 parts of dioctyl terephthalate, 50 parts of N-butyl alcohol, 24 parts of isobutyl acetate, 0.6 part of castor oil polyoxyethylene ether, 0.4 part of triethylene tetramine, 1.2 parts of silane coupling agent, 1.8 parts of antioxidant and 0.7 part of flatting agent.
The antioxidant is selected from an antioxidant 1010, the leveling agent is selected from a leveling agent 440, and the base material layer 1 is a PET layer.
The thickness of the substrate layer 1 was 50 μm, and the thicknesses of the first antistatic coating layer 2 and the second antistatic coating layer 3 were both 6 μm.
The preparation method of the antistatic PET film for the electronic product comprises the following steps: mixing polyurethane resin, polyvinyl alcohol, sodium octyl sulfate, N-ethyl-N- (3-sulfopropyl) -3-methylaniline sodium salt, dioctyl terephthalate, N-butyl alcohol, isobutyl acetate, castor oil polyoxyethylene ether, triethylene tetramine, silane coupling agent, antioxidant and flatting agent, and stirring uniformly to obtain coating liquid;
and (3) uniformly coating the coating liquid on the substrate layer 1, and baking and drying to obtain the antistatic PET film for the electronic product.
Comparative example 1~2: an antistatic film comprises a substrate layer 1, a first antistatic coating 2 and a second antistatic coating 3, wherein the first antistatic coating 2 and the second antistatic coating 3 are respectively positioned on the upper surface and the lower surface of the substrate layer 1, a pressure-sensitive adhesive layer 4 is positioned between a release layer 5 and the second antistatic coating 3, and the pressure-sensitive adhesive layer 4 is positioned on the surface of the second antistatic coating 3, which is opposite to the substrate layer 1;
the first antistatic coating 2 and the second antistatic coating 3 are both obtained by drying coating liquid, and the coating liquid consists of the following components in parts by weight as shown in table 1:
TABLE 1
Figure DEST_PATH_IMAGE002
The comparative example was prepared in the same manner as in the example.
The performance of the antistatic films prepared in the above examples and comparative examples 1~2 are shown in table 2:
TABLE 2
Figure DEST_PATH_IMAGE004
Surface resistance the antistatic layers of the antistatic films of each example and comparative example were tested using a surface resistance tester SRM-110.
As shown in the evaluation results of table 2, the antistatic film of example is excellent in antistatic performance, and the change of surface resistance is hardly changed in the case of a large change of environmental humidity shadow, while the antistatic effect of comparative example 1 is relatively poor, and the surface resistance of comparative example 2 fluctuates greatly with the change of humidity; therefore, the antistatic coating improves the antistatic performance, and the antistatic coating has almost small surface resistance change and stable antistatic performance under the condition of large environmental humidity shadow change, thereby being suitable for the process flow and climate of complex electronic products and greatly reducing the damage probability of the electronic products.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (4)

1. The utility model provides an electronic product is with preventing static PET membrane which characterized in that: the antistatic coating comprises a base material layer (1), a first antistatic coating (2) and a second antistatic coating (3), wherein the first antistatic coating (2) and the second antistatic coating (3) are respectively positioned on the upper surface and the lower surface of the base material layer (1), a pressure-sensitive adhesive layer (4) is positioned between a release layer (5) and the second antistatic coating (3), and the pressure-sensitive adhesive layer (4) is positioned on the surface of the second antistatic coating (3) opposite to the base material layer (1);
the first antistatic coating (2) and the second antistatic coating (3) are both obtained by drying coating liquid, and the coating liquid consists of the following components in parts by weight: 100 parts of polyurethane resin, 45 parts of polyvinyl alcohol, 3 parts of sodium octyl sulfate, 2 parts of N-ethyl-N- (3-sulfopropyl) -3-methylaniline sodium salt, 9 parts of dioctyl terephthalate, 50 parts of N-butyl alcohol, 24 parts of isobutyl acetate, 0.6 part of castor oil polyoxyethylene ether, 0.4 part of triethylene tetramine, 1.2 parts of silane coupling agent, 1.8 parts of antioxidant and 0.7 part of flatting agent.
2. The antistatic PET film for electronic products according to claim 1, characterized in that: the antioxidant is selected from antioxidant 1010.
3. The antistatic PET film for electronic products according to claim 1, characterized in that: the leveling agent is selected from leveling agents 440.
4. The antistatic PET film for electronic products according to claim 1, characterized in that: the substrate layer (1) is a PET layer.
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CN201910438532.6A CN111978879B (en) 2019-05-24 2019-05-24 Solvent-resistant antistatic film

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CN111978879B (en) 2022-05-06
WO2020238083A1 (en) 2020-12-03

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Denomination of invention: Anti static PET film for electronic products

Granted publication date: 20230815

Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Zhejiang Yangtze River Delta Integrated Demonstration Zone Sub branch

Pledgor: ZHEJIANG OUREN NEW MATERIALS Co.,Ltd.

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