CN111040219B - Anti-adhesion antistatic polyester film - Google Patents
Anti-adhesion antistatic polyester film Download PDFInfo
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- CN111040219B CN111040219B CN201911382605.0A CN201911382605A CN111040219B CN 111040219 B CN111040219 B CN 111040219B CN 201911382605 A CN201911382605 A CN 201911382605A CN 111040219 B CN111040219 B CN 111040219B
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- 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
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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
- 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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- 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
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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
- 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
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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
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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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
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides an anti-adhesion antistatic polyester film which comprises a substrate layer and an anti-adhesion antistatic layer, wherein the anti-adhesion antistatic layer contains water-based resin, a water-based antistatic agent, a water-based cross-linking agent, a water-based wax emulsion, a water-based wax microdispersion, a water-based wetting agent and water. The prepared coating liquid is coated on the surface of the polyester film, and the anti-adhesion antistatic polyester film is obtained after drying and rolling. The surface resistance of the film can reach 10 after being measured6Ω～1010Omega, the antistatic performance is excellent, and the anti-adhesion effect is excellent, so that the anti-adhesion antistatic layer and the back ink processing layer can not be adhered during rolling, and the anti-adhesion antistatic film can be widely applied to the fields of anti-adhesion antistatic films such as electrons, flat panel displays and IMR.
Description
Technical Field
The invention relates to the technical field of films, in particular to a heat transfer antistatic film.
Background
At present, the thermal transfer printing technology is to print patterns on the surface of a film in advance, the printed patterns have rich layers and bright colors, can achieve the required effect of pattern designers, and is suitable for mass production. The transfer printing process transfers the exquisite pattern on the transfer printing film on the surface of the product through one-step processing (heating and pressurizing) of a thermal transfer printing machine, and finally the formed ink layer and the surface of the product are dissolved into a whole. However, when the ink layer is processed on the non-antistatic surface of the antistatic polyester film in the preparation method, after the ink pattern procedure is upgraded, the ink drying time is greatly shortened on the premise of the existing production equipment and energy consumption, and the ink layer is easily adhered to the antistatic layer after the ink layer is dried and rolled due to incomplete curing.
Disclosure of Invention
The invention aims to provide an anti-adhesion antistatic polyester film, which has excellent antistatic effect, and an ink layer and an antistatic layer can not be adhered after the ink layer is dried and rolled after an ink pattern process is changed in the process of processing the ink layer by using a non-antistatic surface of the antistatic polyester film.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an antiseized even antistatic polyester film, the film includes substrate and antiseized even antistatic layer, antiseized even antistatic layer is located one side of substrate layer, antiseized even antistatic layer does not include anti-adhesion particle, antiseized even antistatic layer contains water-based resin, waterborne antistatic agent, waterborne cross-linking agent, water-based wax emulsion, water-based wax microdispersion, water-based wetting agent and water, waterborne antistatic agent is aqueous carbon nanotube dispersion, the water-based wax emulsion is oxidation modification polyethylene wax emulsion, the water-based wax dispersoid is oxidation modification polyethylene wax microdispersion.
According to the anti-blocking antistatic polyester film, the anti-blocking antistatic layer comprises the following components in percentage by mass:
the anti-blocking antistatic polyester film has the wax emulsion particle size of 50-500 nm.
The anti-blocking antistatic polyester film has the wax micro-dispersion particle size of 1-5 microns.
The ratio of the wax emulsion to the wax micro-dispersion of the anti-blocking antistatic polyester film is 1: 1-1: 1.5.
The preparation method of the anti-adhesion antistatic polyester film comprises the following steps: and coating the prepared anti-adhesion antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, drying and rolling to obtain the anti-adhesion antistatic polyester film.
Advantageous effects
The anti-adhesion antistatic polyester film is prepared by coating anti-adhesion antistatic coating liquid prepared by coating aqueous carbon nanotube dispersion liquid, aqueous wax emulsion and aqueous wax dispersion, drying and rolling, and has the surface resistance of 106Ω～1010Omega, excellent antistatic performance and excellent anti-adhesion effect, and can be applied to the field of IMR heat transfer printing anti-adhesion antistatic polyester films.
Drawings
FIG. 1 is a schematic cross-sectional structure diagram of an anti-blocking antistatic ester film of the present invention.
In the drawings, the reference numerals denote: 1. base material layer, 2, antiseized even antistatic layer.
Detailed Description
According to the anti-adhesion antistatic polyester film prepared by the invention, the polyester film comprises a base material layer and an anti-adhesion antistatic layer, the anti-adhesion antistatic layer is positioned on one side of the base material layer, and the anti-adhesion antistatic layer does not comprise anti-adhesion particles. Wax emulsion and wax micro-dispersion with certain particle size are added into antistatic coating liquid prepared by selecting inorganic antistatic agent carbon nano tube dispersion liquid, and anti-adhesion and antistatic effects are realized at the same time.
The anti-blocking antistatic layer coating liquid is prepared from the following raw materials in percentage by mass:
the aqueous antistatic agent can be cationic polymers, anionic polymers, polythiophene and inorganic carbon materials, is required to have good antistatic performance, can achieve dustproof and antistatic effects in production, and prevents dust adsorption and potential safety hazards caused by generated static electricity. The inorganic carbon material not only has good antistatic performance, but also has excellent high-temperature stability, and in order to achieve good subsequent processing performance and produce better anti-blocking effect, the inorganic carbon material aqueous carbon nanotube dispersion liquid is preferably selected, wherein the mass ratio of the carbon nanotubes in the aqueous carbon nanotube dispersion liquid is 0.5-1%, and the balance of water.
The aqueous resin is a film forming substance, can help the aqueous carbon nanotube dispersion liquid to form a better film and form a stable conductive path, and can be polyesters, polyacrylates and polyurethanes.
The aqueous wax emulsion is oxidized modified polyethylene wax emulsion, a first layer of low convex surface can be formed on the surface of a coating by the aqueous wax emulsion, the wax emulsion can be spherical or irregular, and the particle size of the aqueous wax emulsion is 50 nm-500 nm; the aqueous wax micro-dispersion is an oxidized modified polyethylene wax emulsion, a second layer of high convex surface is formed on the surface of the coating by the aqueous wax micro-dispersion, the aqueous wax micro-dispersion is spherical or irregular, and the particle size of the aqueous wax micro-dispersion is 1-5 mu m; the mass percentage of the aqueous wax emulsion to the aqueous wax micro-dispersion is 1: 1-1: 1.5.
The aqueous crosslinking agent may be a melamine, a azapyridine or an oxazoline.
The wetting agent is a nonionic surface wetting agent, and can reduce the surface tension of the coating liquid, be beneficial to better spreading the coating liquid on the surface of a film and prevent the defects of the paint film, such as shrinkage cavity, fish eyes, pinholes, orange peel and thick edges, caused by poor wetting. Many wetting agents having substrate wetting function, such as alkyl sulfate, sulfonate, fatty acid or fatty acid ester sulfate, carboxylic acid soap, phosphate, polyoxyethylene alkylphenol ether, polyoxyethylene fatty alcohol ether, polyoxyethylene polyoxypropylene block copolymer, and the like, can be classified into ionic type and nonionic type, and in order to prevent agglomeration of the aqueous carbon nanotube dispersion from affecting antistatic performance, the wetting agent is a nonionic type wetting agent, and can be polyoxyethylene polyoxypropylene block copolymer, polyoxyethylene fatty alcohol ether, or polyoxyethylene alkylphenol ether.
The wet coating amount of the anti-adhesion antistatic coating liquid is 1g/m2～4g/m2。
The present invention will be described in further detail with reference to specific examples.
Example 1
5g of aqueous carbon nanotube dispersion liquid (with the trade name of CNTS-016, Suzhou carbon Feng graphene science and technology limited, the mass ratio of carbon nanotubes in the aqueous carbon nanotube dispersion liquid is 1%), 5g of aqueous polyurethane (with the trade name of Huayue, Hefei Huayue new material science and technology limited), 0.1g of melamine crosslinking agent (with the trade name of LF-8500, Linan energy-rich resin limited), 0.5g of wax emulsion (with the trade name of L-01, Guangzhou Hui wheat industry limited) and 0.5g of wax micro-dispersion (with the trade name of 010101, Nanjing Baiji science and technology limited), 0.1g of water-based wetting agent (with the trade name of TFE-2, Sangda chemical Co., Ltd., polyoxyethylene polyoxypropylene block copolymer) and 88.8g of deionized water, and the materials are mixed and then uniformly dispersed by a high-shear emulsifying machine to prepare the anti-adhesion antistatic coating liquid. And then coating the prepared anti-blocking antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, wherein the wet coating amount is 4g/m2, and drying and rolling to obtain the anti-blocking antistatic polyester film.
Example 2
The preparation method comprises the following steps of mixing 10g of aqueous carbon nanotube dispersion (the trademark is CNTS-016, Suzhou carbon rich graphene science and technology Limited, the mass ratio of carbon nanotubes in the aqueous carbon nanotube dispersion is 1%), 10g of aqueous polyester (the trademark is HT-350, Hefeitangtian New Material science and technology Limited), 1g of aziridine crosslinking agent (the trademark is SAC-100, Shanghai Youn chemical Co., Ltd.), 2g of wax emulsion (the trademark is WE6, Huishen trade Limited), 2.5g of wax microdispersion (the trademark is CERFOBOL R75, Lvyuan cypress chemical Co., Ltd.), 0.3g of aqueous wetting agent (the trademark is EH-9/6/3, Shenzhen Rong science and technology Limited, polyoxyethylene fatty alcohol ether) and 74.2g of deionized water, and uniformly dispersing the mixture by using a high-shear emulsifying machine to prepare the anti-adhesion coating liquid. Then coating the prepared anti-blocking antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, wherein the wet coating amount is 2.5g/m2And drying and rolling to obtain the anti-adhesion antistatic polyester film.
Example 3
Taking 15g of aqueous carbon nanotube dispersion (with the trade name of CNTS-016, Suzhou carbofeng graphene science and technology Limited, the mass ratio of carbon nanotubes in the aqueous carbon nanotube dispersion is 1%), 15g of aqueous acrylate (with the trade name of AA-8662S, Suzhou Qingtian new materials Limited), 2g of oxazoline cross-linking agent (with the trade name of XH-540, Aster Dongyang Asahi Yi Hua chemical industry Limited), 5g of wax emulsion (with the trade name of OE-6102, Yousho chemical technology Limited) and 5g of wax micro-dispersion (with the trade name of XH-3200, Xinghong chemical materials Limited), 0.5g of water-based wetting agent (the trade name is PE-100, polyoxyethylene alkylphenol ether, Guangzhou Hengyu chemical Co., Ltd.) and 57.5g of deionized water, and the materials are mixed and then are uniformly dispersed by a high-shear emulsifying machine to prepare the anti-adhesion antistatic coating liquid. And then coating the prepared anti-blocking antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, wherein the wet coating amount is 1g/m2, and drying and rolling to obtain the anti-blocking antistatic polyester film.
Example 4
Taking 7g of aqueous carbon nanotube dispersion (with the brand number of CNTS-016, Suzhou carbofeng graphene science and technology limited, the mass ratio of carbon nanotubes in the aqueous carbon nanotube dispersion is 1%), 7g of aqueous polyurethane (with the brand number of HT-350, Heyi Heng Tian New Material science and technology limited), 0.5g of aziridine crosslinking agent (with the brand number of SAC-100, Shanghai Yon chemical industry limited), 1g of wax emulsion (with the brand number of L-01, Huiyi Mai industry limited, Guangzhou city), 1.5g of wax micro-dispersion (with the brand number of 010101, Nanjing Baiji science and technology limited), 0.2g of water-based wetting agent (the trademark is EH-9/6/3, Shenzhen Rongchang science and technology Limited, polyoxyethylene fatty alcohol ether) and 82.8g of deionized water, and the materials are mixed and then uniformly dispersed by a high-shear emulsifying machine to prepare the anti-blocking antistatic coating liquid. Then coating the prepared anti-blocking antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, wherein the wet coating amount is 2g/m2And drying and rolling to obtain the anti-adhesion antistatic polyester film.
Example 5
12g of aqueous carbon nanotube dispersion (the trade name is CNTS-016, Suzhou carbofeng graphene science and technology limited, the mass ratio of carbon nanotubes in the aqueous carbon nanotube dispersion is 1%), 12g of aqueous polyester (the trade name is HT-350, Hefehengtian New Material science and technology limited), 1.5g of oxazoline cross-linking agent (the trade name is XH-540, Aster Asahi Yi Hua chemical Co., Ltd.), 3.5g of wax emulsion (the trade name is OE-6102, Yousho chemical science and technology limited), and 3.5g of wax micro-dispersion (the trade name is XH-3200, Hongxing chemical materials limited), 0.2g of water-based wetting agent (the trademark is PE-100, polyoxyethylene alkylphenol ether, Guangzhou Hengyu chemical Co., Ltd.) and 67.15g of deionized water, and the materials are mixed and then uniformly dispersed by a high-shear emulsifying machine to prepare the anti-adhesion antistatic coating liquid. Then coating the prepared anti-adhesion antistatic coating liquid on the surface of the polyester film in one of gravure coating, silk rod coating, dip coating and the like, and wet coatingThe coating amount is 3g/m2And drying and rolling to obtain the anti-adhesion antistatic polyester film.
Comparative example 1
12g of aqueous carbon nanotube dispersion (the trade name is CNTS-016, Suzhou carbon Feng graphene science and technology limited, the mass ratio of carbon nanotubes in the aqueous carbon nanotube dispersion is 1%), 12g of aqueous polyester (the trade name is HT-350, Hefei Heng Tian New Material science and technology limited), 1.5g of oxazoline cross-linking agent (the trade name is XH-540, Aster Asahi hundred million Hua chemical Co., Ltd.), 0.2g of aqueous wetting agent (the trade name is PE-100, Guangzhou Heng Yun chemical Co., Ltd., polyoxyethylene alkylphenol ether) and 74.15g of deionized water are taken, the substances are mixed and then uniformly dispersed by a high-shear emulsifying machine to prepare the anti-adhesion antistatic coating liquid. Then coating the prepared anti-blocking antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, wherein the wet coating amount is 3g/m2And drying and rolling to obtain the anti-adhesion antistatic polyester film.
Comparative example 2
12g of water-based quaternary ammonium salt antistatic agent (SN, Jinan Shi chemical Co., Ltd.), 12g of water-based polyester (HT-350, Hefu Heng Tian New Material science and technology Co., Ltd.), 1.5g of oxazoline crosslinking agent (XH-540, Asahi Yi Hua chemical Co., Ltd., east Aster City), 0.2g of water-based wetting agent (PE-100, Guangzhou Heng Yu chemical Co., Ltd., polyoxyethylene alkylphenol ether) and 74.15g of deionized water are mixed and uniformly dispersed by a high-shear emulsifying machine to prepare the anti-adhesion antistatic coating liquid. Then coating the prepared anti-blocking antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, wherein the wet coating amount is 3g/m2And drying and rolling to obtain the anti-adhesion antistatic polyester film.
Comparative example 3
Taking 12g of water-based quaternary ammonium salt antistatic agent (SN, Jinan Shi chemical Co., Ltd.), 12g of water-based polyester (HT-350, Hefei Heng Tian New Material science and technology Co., Ltd.), and oxazoline crosslinking agent (XH-540, Aster City Asahi Yi Hua chemical industry, east China)Limit company) 1.5g, wax emulsion (OE-6102, Yousho chemical technology Co., Ltd.) 3.5g, wax microdispersion (XH-3200, Xinghong chemical materials Co., Ltd.) 3.5g, water-based wetting agent (PE-100, Guangzhou Hengyu chemical Co., Ltd., polyoxyethylene alkyl phenol ether) 0.2g and deionized water 67.15g, and the materials are mixed and uniformly dispersed by a high-shear emulsifying machine to prepare the anti-adhesion antistatic coating liquid. Then coating the prepared anti-blocking antistatic coating liquid on the surface of the polyester film in one of gravure coating, wire rod coating, dip coating and the like, wherein the wet coating amount is 3g/m2And drying and rolling to obtain the anti-adhesion antistatic polyester film.
The performance test methods are as follows:
(1) surface resistance of the film: GB/T33398;
(2) the anti-adhesion effect test method comprises the following steps: after the prepared anti-adhesion antistatic polyester film is rolled into a roll with at least more than 1000 meters after being processed into an ink layer, the roll is pulled out by 100 meters from the shaft bottom, and the dropping and adhesion conditions of the ink layer are observed: the ink layer is stripped and seriously adhered by X; the ink layer is less prone to falling off and adhesion and is delta; the ink layer did not peel off, and adhesion was O.
TABLE 1
As can be seen from the above table, the polyester film of the present invention is excellent in antistatic properties and also excellent in antiblocking effect.
Claims (3)
1. The utility model provides an antiseized even antistatic polyester film, the film includes substrate and antiseized even antistatic layer, antiseized even antistatic layer is located one side of substrate layer, its characterized in that, antiseized even antistatic layer does not include anti-adhesion particle, antiseized even antistatic layer contains water-based resin, waterborne antistatic agent, waterborne cross-linking agent, water-based wax emulsion, water-based wax micro-dispersion body, waterborne wetting agent and water, the waterborne antistatic agent is aqueous carbon nanotube dispersion liquid, the water-based wax emulsion is oxidation modified polyethylene wax emulsion, the water-based wax dispersion body is oxidation modified polyethylene wax micro-dispersion body;
the particle size of the wax emulsion is 50 nm-500 nm; the particle size of the wax micro-dispersion is 1-5 mu m.
2. The anti-blocking antistatic polyester film according to claim 1, wherein the anti-blocking antistatic layer comprises the following components in mass ratio:
5 to 15 percent of aqueous antistatic agent
5 to 15 percent of water-based resin
0.1 to 2 percent of water-based cross-linking agent
0.5 to 5 percent of water-based wax emulsion
0.5 to 5 percent of aqueous wax micro-dispersion
0.1 to 0.5 percent of water-based wetting agent
57.5 to 88.8 percent of deionized water.
3. The anti-blocking antistatic polyester film as claimed in claim 1, wherein the ratio of the wax emulsion to the wax micro-dispersion is 1:1 to 1: 1.5.
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| CN201911382605.0A CN111040219B (en) | 2019-12-27 | 2019-12-27 | Anti-adhesion antistatic polyester film |
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| CN201911382605.0A CN111040219B (en) | 2019-12-27 | 2019-12-27 | Anti-adhesion antistatic polyester film |
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| CN111040219B true CN111040219B (en) | 2022-05-03 |
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| CN114213913A (en) * | 2021-11-11 | 2022-03-22 | 上海金狮化工有限公司 | Antistatic agent for leather, preparation method and application thereof |
| CN114106387A (en) * | 2021-12-07 | 2022-03-01 | 合肥乐凯科技产业有限公司 | Anti-static polyester film and preparation method thereof |
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