WO2014061581A1 - 帯電防止フィルム - Google Patents
帯電防止フィルム Download PDFInfo
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- WO2014061581A1 WO2014061581A1 PCT/JP2013/077746 JP2013077746W WO2014061581A1 WO 2014061581 A1 WO2014061581 A1 WO 2014061581A1 JP 2013077746 W JP2013077746 W JP 2013077746W WO 2014061581 A1 WO2014061581 A1 WO 2014061581A1
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- antistatic
- film
- polymer
- curing agent
- layer
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/052—Forming heat-sealable coatings
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/21—Urea; Derivatives thereof, e.g. biuret
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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
- C09D133/24—Homopolymers or copolymers of amides or imides
- C09D133/26—Homopolymers or copolymers of acrylamide or methacrylamide
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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
- C09D139/00—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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Coating compositions based on derivatives of such polymers
- C09D139/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
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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
- C09D141/00—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 a bond to sulfur or by a heterocyclic ring containing sulfur; 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
- C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
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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
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/538—Roughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31565—Next to polyester [polyethylene terephthalate, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Definitions
- the present invention relates to an antistatic film.
- Polyester film has excellent mechanical properties, heat resistance, and transparency, so it can be used for packaging materials for packaging foods, information storage materials, building materials, electronic materials, printing materials, etc. As widely used.
- polyester films are prone to static electricity due to friction such as contact during processing or product use, and dust is likely to adhere to them.
- an antistatic film is used in applications that do not like dust, such as carrier tape cover tapes.
- a film having a polymer-type antistatic layer that is difficult to transfer an antistatic agent and has little humidity dependency is widely used (for example, JP 2006-160883A).
- An object of the present invention is to provide an antistatic film in which blocking is difficult to occur without adversely affecting antistatic properties when an antistatic agent is used.
- the present inventor has found that the above problem can be solved by providing an antistatic layer on at least one surface of the resin film by using a coating liquid containing an antistatic agent, an alkylurea derivative, and a curing agent.
- the present invention has been reached. That is, the gist of the present invention is as follows.
- An antistatic layer containing a polymer (A) having an antistatic component, an alkylurea derivative (B), and a curing agent (C) is provided on at least one surface of a resin film, An antistatic film having a surface specific resistance value at 50% RH of 1.0 ⁇ 10 11 ⁇ / ⁇ or less.
- the polymer (A) having an antistatic component is composed of a polymer (A1) having a quaternary ammonium base, and the polymer (A1) having a quaternary ammonium base and an alkyl urea derivative (B).
- the curing agent (C) is one or more selected from the group consisting of an epoxy compound, an amino resin, an isocyanate compound, a silanol compound, and a metal complex salt, from (1) to (3) Any antistatic film.
- a polymer (A) having an antistatic component or a polymer (A1) having a quaternary ammonium base, and an alkyl urea The manufacturing method of the antistatic film characterized by including the process of forming the antistatic layer by apply
- the present invention it is possible to provide a film that is excellent in antistatic property but is less likely to block even at high temperatures.
- This film does not block even when it comes into contact with a layer having a slight adhesiveness or heat sealability, particularly in packaging materials, information storage materials, building materials, printing materials, electronic materials and the like.
- the antistatic film of the present invention retains excellent laminating properties on the surface of the antistatic layer even when it is stored in a roll state.
- the antistatic film of the present invention can be suitably used for a carrier tape cover tape or the like.
- the antistatic film of the present invention is obtained by applying a specific coating solution on at least one surface of a resin film and drying it to provide an antistatic layer.
- a resin film a polyester film, a film using other resins, and the like are suitable.
- polyester resin used for the polyester film examples include polyethylene terephthalate, polyethylene-2,6-naphthalate, polybutylene terephthalate, and polybutylene terephthalate isophthalate. Polyethylene terephthalate is more preferable from the viewpoint of balance between cost and mechanical properties.
- the melting point of the polyester resin is preferably 246 ° C. or more, and by doing so, deformation at high speed and high temperature sealing (seal failure due to elongation or width shrinkage) can be suppressed.
- Polyester film is used for the purpose of preventing repellency and the like, and for improving the adhesion with the antistatic layer, even if the film surface has been subjected to treatment such as corona discharge or ion blow inline or offline. Good.
- the manufacturing method of the polyester film is not particularly limited.
- a simultaneous biaxial stretching method in which a polyester resin is melt-mixed with an extruder, an unstretched film obtained by extruding the melted resin with a T-die and rapidly cooled is stretched simultaneously in the vertical and horizontal directions after preheating.
- an unstretched film obtained by extruding the molten resin with a T-die and cooling it is stretched in the length direction using the difference in roll speed after preheating, and then stretched in the width direction by gripping with a clip.
- a sequential biaxial stretching method is preferable from the viewpoint that the stretching ratio can be easily changed.
- the draw ratio is not particularly limited, but from the viewpoint of deformation at high speed and high temperature, the longitudinal direction, that is, the length direction is preferably 3 times or more, and the transverse direction, that is, the width direction, is 3 times or more. Is preferred.
- the surface magnification is preferably 10 times or more, more preferably 11 times or more, and further preferably 12 times or more. In order to remove strain after stretching, it is preferable to perform heat setting and thermal relaxation.
- antioxidants, lubricants, etc. may be added to the polyester film as long as the effects of the present invention are not hindered.
- the coating liquid used in the present invention contains a polymer (A) having an antistatic component, an alkyl urea derivative (B), and a curing agent (C).
- a polymer (A) having an antistatic component a polymer (A1) having a quaternary ammonium base is preferably used.
- the polymer (A1) containing a quaternary ammonium base may be a polymer (ion conducting polymer) having electrostatic polarization relaxation properties.
- the quaternary ammonium base in the polymer (A1) may be in either the main chain or the side chain of the polymer.
- a quaternary ammonium base can exhibit antistatic properties.
- acrylic resins, urethane resins, polyvinyl resins, and polyamine resins are preferable, and polyvinyl resins and polyamine resins are more preferable.
- the polymer (A1) suppresses a decrease in the wetting tension on the surface of the antistatic layer over time when the antistatic film of the present invention is stored in a roll state, suppresses blocking,
- it preferably has a functional group such as a hydroxyl group, a carboxyl group, or an amino group, and particularly preferably has a hydroxyl group or an amino group.
- the carboxyl group and the quaternary ammonium base may associate with each other to thicken and gel.
- Monomers having a quaternary ammonium base include, for example, pyrrolidinium ring, quaternized alkylamine, further copolymerized with acrylic acid or methacrylic acid, quaternized N-alkylaminoacrylamide, vinylbenzyl Examples thereof include trimethylammonium salt, 2-hydroxy3-methacryloxypropyltrimethylammonium salt, and acryloyloxyethyldimethylammonium methylsulfonate. These monomers may be used alone or in combination.
- anion serving as a counter ion for the quaternary ammonium base examples include ions such as halogen, alkyl sulfate, alkyl sulfonate, nitric acid, sulfuric acid, phosphoric acid, acetic acid, and sulfamic acid.
- counter ions other than halogen are preferable, and alkyl sulfates or alkyl sulfonates are preferable from the viewpoint of heat resistance.
- Examples of the monomer having a hydroxyl group include hydroxy vinyl ether, hydroxymethyl acrylate, 2-hydroxyethyl acrylate, 3-hydroxypropyl acrylate, 4-hydroxybutyl acrylate, 5-hydroxypentyl acrylate, 6-hydroxyhexyl acrylate, and hydroxymethyl.
- Examples of the monomer having a carboxyl group include (meth) acrylic acid, itaconic acid, fumaric acid, maleic acid, acroyloxyethyl succinic acid, and phthalic acid. These monomers may be used alone or in combination.
- Examples of the monomer having an amino group include allylamines such as monoallylamine, N, N-dialkylallylamine, N-monoalkylallylamine, diallylamine and addition salts thereof; acrylamide; acrylic acid, methacrylic acid, maleic acid, etc.
- allylamine addition salts include hydrochloride, sulfate, sulfite, hydrobromide, phosphate, acetate, methanesulfonate, trifluoroacetate, and p-toluenesulfonate. .
- the polymer (A1) may further be copolymerized with other monomers as necessary.
- Other monomers include, for example, (meth) acrylic acid esters; (meth) acrylic acid amides; vinyl esters such as vinyl acetate and vinyl butyrate; unsaturated carboxylic acids such as maleic acid, fumaric acid and oleic acid; Examples thereof include unsaturated hydrocarbon compounds such as styrene, isoprene and butadiene.
- the antistatic film of the present invention in order for the surface specific resistance value at 23 ° C. ⁇ 50% RH to be 1.0 ⁇ 10 11 ⁇ / ⁇ or less as described above, a single unit having a quaternary ammonium base is used.
- the monomer is preferably from 30 to 95 mol%, more preferably from 50 to 90 mol%, based on all monomers in the polymer (A1).
- the monomer having a quaternary ammonium base is 30 to 95 mol% of the total monomers in the polymer (A1), the antistatic property and the adhesion to the substrate can be improved.
- the total of monomers having a hydroxyl group or the total of monomers having an amino group is preferably 1 to 50 mol% based on all monomers in the polymer (A1). More preferably, it is mol%.
- the total of the monomers having a hydroxyl group or the monomers having an amino group is 1 to 50 mol% with respect to the total monomers in the polymer (A1). Since the hardness of the coating film is increased by the reaction, the blocking resistance can be improved without impairing the antistatic performance.
- the amount is preferably 1 to 30 mol%, preferably 5 to 15 mol%, based on all monomers in the polymer (A1). More preferred.
- the monomer having a carboxyl group reacts with the curing agent (C), the hardness of the coating film is increased and the blocking resistance can be improved.
- Examples of the polymerization method of the polymer (A) (A1) include solution polymerization, emulsion polymerization, emulsion polymerization, radical polymerization, anionic polymerization, cationic polymerization, and redox polymerization. Among these, radical polymerization in an aqueous medium is more preferable.
- the antistatic layer of the antistatic film of the present invention needs to contain an alkyl urea derivative (B).
- the alkyl urea derivative (B) is a compound having an alkyl urea structure (R—NHCONH—, where R is an alkyl group).
- the alkyl urea derivative (B) can be obtained by reacting a compound having a known isocyanate group with a compound having a known amino group.
- the compound having an isocyanate group include octadecyl isocyanate, hexamethylene diisocyanate, inphorone diisocyanate, tolylene diisocyanate, metaxylylene diisocyanate, diphenylmethane diisocyanate, naphthylene diisocyanate, and triphenylmethane triisocyanate.
- the compound having an amino group include monoethanolamine, stearylamine, ethylenediamine, hexamethylenediamine, polyethyleneimine, guanamine, and benzoguanamine.
- the number of functional groups in the partner molecule to be reacted is not limited.
- the reaction partner is preferably an amino compound having 2 or less amino groups in the molecule.
- the reaction partner is preferably an isocyanate compound having two or less isocyanate groups in the molecule.
- the alkyl urea derivative (B) is preferably a combination of an isocyanate having a long chain alkyl group and an amine, or a combination of an isocyanate compound having an isocyanate and a long chain alkyl group from the viewpoint of blocking resistance. Furthermore, after the compound having at least one amino group in the molecule, an amino group such as monoethanolamine, diethanolamine, glycine, and glutamic acid and an isocyanate are reacted in advance, the remaining hydroxyl group or carboxyl group is converted into an epoxy compound, an oxazoline. You may make it high molecular weight by making it react with a compound, a carbodiimide compound, carboxylic acid, alcohols, and an isocyanate compound.
- Examples of such compounds include tetradecyl ethylene urea, heptadecyl ethylene urea, octadecyl ethylene urea, and derivatives thereof. Of these, octadecylethyleneurea derivatives are preferred from the viewpoint of balance between dispersibility and blocking resistance.
- the method for producing the alkyl urea derivative (B) is not particularly limited.
- a known nonionic, cationic, anionic surfactant or an organic solvent may be used.
- the total amount thereof is preferably less than 20 parts by mass and less than 10 parts by mass with respect to 100 parts by mass of the total amount of the amino compound and the isocyanate compound. Is more preferably less than 5 parts by mass, and particularly preferably less than 1 part by mass.
- an organic solvent it is preferable to remove the organic solvent as much as possible by stripping after mixing and stirring.
- acrylic urea derivative examples include, for example, “Octex EM” manufactured by Hodogaya Chemical Co., Ltd., “Palladium RC”, “Palladium RS” manufactured by Ohara Palladium, and “Geranex OM” manufactured by Matsumoto Yushi Kogyo Co., Ltd. Can be mentioned.
- the content ratio (mass ratio) of the polymer (A1) containing the quaternary ammonium base and the alkylurea derivative (B) is preferably such that A1 / B is 30/70 to 95/5, and 40/60 to 90 / 10 is more preferable, and 40/60 to 70/30 is even more preferable.
- the antistatic film of the present invention has a surface intrinsic property at 23 ° C. ⁇ 50% RH. The required antistatic property that the resistance value is 1.0 ⁇ 10 11 ⁇ / ⁇ or less can be exhibited, and the blocking resistance can be improved.
- the antistatic layer of the antistatic film of the present invention needs to contain a curing agent (C).
- the curing agent include epoxy compounds, amino resins, isocyanate compounds, silanol compounds such as silane coupling agents, metal complex salts, polyethyleneimine, polyvinyl alcohol, and compounds having a methylol group.
- epoxy compounds, amino resins, isocyanate compounds, silanol compounds, and metal complex salts are preferable, and amino resins are more preferable from the viewpoint of handleability.
- the curing agent is not included, the adhesion to the base material becomes insufficient, the phenomenon that the constituent material of the antistatic layer adheres to the seal bar during heat sealing, and the scratch resistance is insufficient.
- the antistatic layer May cause the antistatic layer to be scraped off, poor appearance, or adhesion / short circuit of electronic components.
- the antistatic layer has lower adhesion with the resin film as the base material, and the adhesion strength with the counterpart resin increases when laminated, compared with the case where the curing agent is included. The blocking resistance is deteriorated.
- the epoxy compound examples include bifunctional derivatives such as diethylene glycol diglycidyl ether, glycerin diglycidyl ether, and bisphenol A diglycidyl ether; trifunctional derivatives such as trimethylolpropane triglycidyl ether; epoxidized soybean oil; epoxidized castor oil; And a copolymer containing glycidyl (meth) acrylate.
- the epoxy compound is unavoidable of residual chlorine ions due to the use of epichlorohydrin as a raw material, but preferably has the chlorine ions removed as much as possible.
- amino resins examples include melamine resins such as trimethylol melamine, hexamethylol melamine, trismethoxymethyl melamine, hexakismethoxymethyl melamine; glyoxal resin; benzoguanamine resin.
- isocyanate compound examples include aromatic polyisocyanates such as toluene diisocyanate and diphenylmethane diisocyanate, aliphatic polyisocyanates such as hexamethylene diisocyanate, cyclohexane diisocyanate, and butane diisocyanate, and derivatives thereof.
- aromatic polyisocyanates such as toluene diisocyanate and diphenylmethane diisocyanate
- aliphatic polyisocyanates such as hexamethylene diisocyanate, cyclohexane diisocyanate, and butane diisocyanate
- a blocked isocyanate compound is preferable in terms of adjusting the reactivity and increasing the stability of the coating liquid.
- silanol compounds include epoxyalkylsilanes and aminoalkylsilanes, such as ⁇ -glycidoxypropyltrimethoxysilane and ⁇ - (2-aminoethyl) aminopropyltrimethoxysilane.
- metal complex salt include a zirconium compound and a titanium compound.
- the content of the curing agent (C) is preferably 5 to 43 parts by mass and more preferably 11 to 25 parts by mass with respect to 100 parts by mass of the polymer (A) having an antistatic component.
- the content of (C) is 5 to 43 parts by mass, it is possible to improve the adhesion to the base material and to improve the blocking resistance by improving the hardness of the coating film.
- a catalyst may be added to the curing agent as necessary.
- the curing agent catalyst include imidazole derivatives such as 2-methylimidazole and 2-ethyl-4-methylimidazole; epoxy ring-opening reaction catalysts such as polyamine and polyethyleneimine derivatives; and amino curing such as p-toluenesulfonic acid.
- Catalysts Urethane curing catalysts such as imidazole and organotin compounds.
- the content of the catalyst for the curing agent is preferably 5 to 30% by mass with respect to the total amount of the polymer (A), the curing agent (C) and the catalyst, and is 5 to 15% by mass. Is more preferable. By setting the content of the catalyst for the curing agent to 5 to 30% by mass, the amount of unreacted curing agent is reduced, thereby further improving the adhesion resistance to the substrate and the blocking resistance by improving the hardness of the coating film. be able to.
- the antistatic film of the present invention comprises a polymer (A) having an antistatic component such as a polymer (A1) having a quaternary ammonium base, an alkylurea derivative (B), and a curing agent (C). It can manufacture by apply
- the coating liquid in addition to the polymer (A), the alkyl urea derivative (B), and the curing agent (C), the coating liquid further includes a dispersion antifoaming agent (D) and a modified silicone compound (E). It is preferable.
- Examples of the dispersion antifoaming agent (D) include nonionic surfactants.
- nonionic surfactants polyoxyethylene alkyl ether compounds, acetylene glycol compounds, and ethylene oxide adducts thereof are preferable, and acetylene glycol compounds and ethylene oxide adducts are more preferable.
- 3,6-dimethyl-4-decyne-3,6-diol, 2,4,7,9-tetramethyl-5-decyne-4,7-diol, and ethylene oxide were added thereto. Compounds.
- the amount of the dispersion antifoaming agent (D) added is preferably 0.01 to 1 part by mass, and 0.02 to 0 parts per 100 parts by mass of the coating liquid not containing the dispersion antifoaming agent (D). More preferably, it is 5 parts by mass.
- a highly polar polymer (A), a highly hydrophobic alkylurea derivative (B), and a curing agent (C) are uniformly mixed. It can be made easier. Moreover, since foaming at the time of coating can be suppressed, the coating liquid can be easily applied uniformly to the polyester film.
- Examples of the modified silicone compound (E) include those in which the side chain or terminal of an organosiloxane such as dimethylsiloxane or diphenylsiloxane is substituted with a long-chain alkyl group, a hydroxyl group, an amine group, an epoxy group, a carboxyl group, a thiol group, etc .;
- An organosiloxane obtained by copolymerizing a monomer or polymer having no silicon atom may be mentioned.
- Examples of the monomer having no silicon atom include (meth) acrylic monomers and vinyl monomers.
- Examples of the polymer having no silicon atom include polyether.
- a paintable organosiloxane in which a side chain or a terminal is substituted with a long-chain alkyl group, or an organosiloxane copolymerized with a polyether is preferable.
- the number of terminal groups per molecule is preferably 2 or more.
- the seal strength after processing may become unstable.
- the addition amount of the modified silicone compound (E) is preferably 1 to 20 parts by mass, more preferably 3 to 15 parts by mass, and further preferably 5 to 10 parts by mass with respect to 100 parts by mass of the alkylurea derivative (B).
- antioxidant, a lubricant, etc. may be added to the coating liquid as long as the effects of the present invention are not hindered.
- the coating solution is preferably a water-soluble or water-dispersed solution from the viewpoint of the working environment during production.
- the solid content concentration of the coating solution is preferably 2 to 30% by mass, and more preferably 3 to 15% by mass from the viewpoint of coating workability.
- Examples of the coating method of the coating liquid include Mayer bar coat, air knife coat, reverse roll coat, reverse gravure roll coat, gravure roll coat, lip coat, and die coat.
- the coating amount of the coating liquid is preferably 1 to 10 g / m 2 .
- the coating liquid may be applied to the stretched film, or may be applied after stretching in the uniaxial direction and before stretching the second axis, and then stretching the second axis.
- the drying conditions are preferably 50 to 90 ° C. and 10 to 60 seconds.
- the stretching temperature of the film is preferably 110 to 130 ° C., and the stretching ratio is 3 to 4 times. It is preferable.
- the heat treatment conditions are preferably 220 to 240 ° C. and 5 to 15 seconds.
- the thickness of the antistatic layer in the antistatic film of the present invention is preferably 0.02 to 0.5 ⁇ m. By doing in this way, the antistatic film with favorable antistatic property and few appearance defects can be obtained.
- the surface resistivity of the antistatic layer in the antistatic film of the present invention is such that the antistatic layer comprises a polymer (A) having an antistatic component, an alkylurea derivative (B), and a curing agent (C). Therefore, it can be 1.0 ⁇ 10 11 ⁇ / ⁇ or less at 23 ° C. and 50% RH.
- the wetting tension of the antistatic layer of the antistatic film of the present invention is such that the antistatic layer comprises a polymer (A) having an antistatic component, an alkylurea derivative (B), and a curing agent (C). Therefore, even if the film is stored in a roll state, the surface of the film opposite to the antistatic layer can maintain the initial wetting tension.
- the wetting tension after standing for one month is maintained at 40 mN / m or more by the evaluation method described later, the laminate property of the surface opposite to the antistatic layer in the film is maintained. Can be determined.
- the antistatic film of the present invention can be used as it is, but surface treatment such as corona discharge or ion blow may be applied to the surface of the antistatic layer or the uncoated surface of the resin film as the substrate.
- the antistatic film of the present invention is excellent in antistatic property, anti-blocking property, and adhesion between the antistatic layer and the substrate, and the laminate property of the surface of the antistatic film opposite to the antistatic layer is time-dependent. It is suppressed that it falls to. For this reason, it can be suitably used for a carrier tape cover tape or the like.
- PET film polyethylene terephthalate film having a thickness of 12 ⁇ m
- the sample film was wound around the outer periphery of a paper tube having an outer diameter of 10.5 cm with a length of 1 m so that the antistatic layer was on the outer side. Further, the above PET film is wound around the outer periphery thereof at a tension of 10 kg / m, a contact pressure of 10 kg / m, and a winding speed of 100 m / min so that the corona surface is in contact with the antistatic layer of the sample film. It was. In this state, after standing at room temperature for 1 month, the surface PET film was removed, and the wettability of the corona surface of the PET film in contact with the antistatic layer was measured according to JIS K6768.
- the laminate suitability of the opposite surface of the antistatic layer of the sample film when stored in a roll state was evaluated based on the difference in wetting tension between the initial period of PET film, that is, immediately before winding and after one month treatment.
- Blocking resistance As a counterpart film used for evaluating the blocking resistance of the sample film, “a counterpart film 1” described below with the heat seal layer exposed on the surface, and acrylic on the heat seal layer of the counterpart film 1 are used. A “counterpart film 2”, which will be described later, was prepared by further laminating an antistatic agent layer to expose the acrylic antistatic agent layer. These counterpart films were wound around the outer periphery of a paper tube having an outer diameter of 10.5 cm with a length of 1 m so that the heat seal layer or the acrylic antistatic agent layer was on the outside.
- a sample film cut to a width of 10 mm and a length of 150 mm was attached to the outer periphery so that the heat seal layer of the counterpart film was in contact with the antistatic layer of the sample film so that the length direction was the circumferential direction.
- the above PET film was wound for 2000 m under conditions of a tension of 10 kg / m, a contact pressure of 10 kg / m, and a winding speed of 100 m / min. In this state, it processed with the hot air dryer on the conditions of 60 degreeC x 3 days (hot air drying process).
- the peel strength between the antistatic film as the sample film and the counterpart film was measured using “Autograph AGS-100B” manufactured by Shimadzu Corporation.
- the specimen used for the measurement of peeling was cut so that the heat seal layer of the counterpart film and the antistatic layer of the sample film overlapped to a width of 15 mm, and then the antistatic film as the sample film was placed on the upper side. While fixing to the chuck, the counterpart film was fixed to the lower chuck, the blocking portion to be measured was bent to the antistatic film side, the peel angle was 180 °, and the peel strength when peeled at a rate of 300 mm / min was measured. .
- the blocking resistance was evaluated by the measured peel strength.
- the peel strength is preferably 0.5 N / m or less.
- a polyolefin resin Mitsubishi Chemicals Co
- the support layer was composed of a resin mixture containing 60 parts by mass of a polyolefin resin ("Tuffmer” manufactured by Mitsui Chemicals) and 40 parts by mass of low-density polyethylene ("UBE polyethylene” manufactured by Ube Industries). Using these resin mixtures, a two-layer film of heat seal layer / polyolefin resin support layer having a heat seal layer of 10 ⁇ m, a support layer of 20 ⁇ m, and a total thickness of 30 ⁇ m was prepared by a T-die coextrusion method.
- a resin mixture containing 60 parts by mass of a polyolefin resin ("Tuffmer” manufactured by Mitsui Chemicals) and 40 parts by mass of low-density polyethylene (“UBE polyethylene” manufactured by Ube Industries).
- UBE polyethylene low-density polyethylene
- the film extruded from the T-die was divided into a silicon rubber mat roll (support layer side) and a metal cooling roll (heat seal layer side) whose average surface roughness was adjusted to 0.8 ⁇ m. I picked it up and picked it up.
- the coating liquid is diluted to 5% by mass with ethyl acetate.
- EL530A urethane anchor agents
- EL530B 1: 1 (mass ratio)
- the coating liquid is diluted to 5% by mass with ethyl acetate.
- Dispersion antifoaming agent (D2) Acetylene glycol-based dispersion defoaming agent containing silica and mineral oil (manufactured by Nissin Chemical Industry Co., Ltd., “Olfin AF103”)
- Example 1 Coating dissolved in water to give 60 parts by mass of polymer (A11), 40 parts by mass of alkylurea derivative (B1), 5 parts by mass of curing agent (C1), and 1.5 parts by mass of dispersion antifoaming agent (D1) A liquid was prepared.
- the obtained coating solution was diluted with water so that the total concentration of (A) to (D) was 1.5% by mass.
- the content of (D1) was about 0.02 parts by mass with respect to 100 parts by mass of the diluted coating solution.
- a diluted coating solution is applied to one side (corona product) of a 25 ⁇ m thick biaxially stretched polyester film “Embret S-25” manufactured by Unitika, so that the film thickness after drying with a Meyer bar is 0.04 ⁇ m. It was applied to. Then, it dried at 180 degreeC * 20 second, and obtained the antistatic film.
- Example 2 to 15 and Comparative Examples 1 to 9 Compared with Example 1, the composition of the coating solution was changed as shown in Table 1. And otherwise, it carried out similarly to Example 1, and obtained the antistatic film.
- Example 16 A diluted coating solution was prepared by diluting the coating solution prepared in Example 1 with water so that the total concentration of (A) to (D) was 4.8% by mass.
- the diluted coating solution was applied to a coating amount of 4 g / m 2 , dried in an oven heated to 60 ° C., and then at 120 ° C. The film was stretched 4.8 times. Subsequently, it heat-processed at 230 degreeC for 10 second, after that, it cooled and wound up and obtained the antistatic film.
- the dry thickness of the coat layer calculated from the coating amount was 0.04 ⁇ m.
- Example 17 and 18 Compared with Example 16, the composition of the coating solution was changed as shown in Table 1. And otherwise, it carried out similarly to Example 16, and obtained the antistatic film.
- Example 19 40 parts by mass of the alkyl urea derivative (B1) and 1.5 parts by mass of the modified silicone (E1) were put into a homomixer “HM-310” manufactured by ASONE Co., and stirred at 6000 rpm for 10 minutes. Thereafter, 5 parts by mass of the curing agent (C1), 60 parts by mass of the polymer (A11) and water were added, and the mixture was further stirred at 6000 rpm for 20 minutes by this homomixer to prepare a coating solution dissolved in water.
- HM-310 manufactured by ASONE Co.
- the obtained coating liquid was diluted with water so that the total concentration of (A), (B), (C), and (E) was 4.8% by mass.
- the content of (E1) was 3.75 parts by mass with respect to 100 parts by mass of (B1).
- the coating liquid was apply
- Example 20-22 Compared with Example 19, the composition of the coating solution was changed as shown in Table 1. And otherwise, it carried out similarly to Example 19, and obtained the antistatic film.
- Tables 1 and 2 show the composition of the coating liquid used in Examples and Comparative Examples and the characteristic values of the obtained films, respectively.
- Each of the films of Examples 1 to 22 has a low surface resistivity, excellent blocking resistance and adhesion, and the opposite surface of the antistatic layer maintains excellent wetting tension even when stored in a roll state. It was.
- alkylurea derivatives (B1) to (B3) any of the commercially available products, the detailed composition other than the point that the basic structure is octadecylethyleneurea was unknown. However, using three kinds of drugs marketed as octadecylethyleneurea, all were able to exhibit the desired performance.
- Example 2 In some other examples, a plurality of types of drugs (B1) to (B3) marketed as octadecylethyleneurea were mixed and used, but the desired performance can still be exhibited without problems. I was able to.
- Table 1 also shows the cases where the drugs (B1) to (B3) marketed as octadecylethyleneurea and the like (B4) marketed as ethylene-based urea are used as in Example 5. As a result, the desired performance could be exhibited without problems.
- a polymer composed of a monomer having a quaternary ammonium salt as an antistatic agent is soft and easily causes blocking.
- a blocking agent is used and a curing agent is further used in combination.
- the crosslink density was increased and the molecular chain was less likely to move, so that the blocking resistance could be further improved.
- the compositions of the antistatic agent and the anti-blocking agent are equal, and the evaluation of anti-blocking property of Examples 2 and 17 containing a curing agent and Comparative Example 2 not containing a curing agent is compared. It is obvious.
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Abstract
Description
すなわち、本発明の要旨は下記のとおりである。
これらの単量体は、単独で用いてもよいし、併用してもよい。
金属錯塩としては、例えば、ジルコニウム化合物、チタニウム化合物が挙げられる。
なお、塗工液は、本発明の効果を妨げない範囲で、酸化防止剤、滑剤等が添加されていてもよい。
1.分析方法
(1)表面固有抵抗値
サンプルフィルムとしての帯電防止ポリエステルフィルムについて、温度23℃、湿度50%RH下で3時間放置調湿後、同温度、湿度においてダイアインスツルメンツ社製高抵抗計HT-260測定器を用いて、電圧500Vを印加後10秒後の値を測定した。サンプルフィルムの帯電防止性は、帯電防止層表面の表面固有抵抗値により評価した。
ポリエステルフィルム(ユニチカ社製PET-12(厚さ12μmのポリエチレンテレフタレートフィルム)、以下、「PETフィルム」と略称する。)のコロナ面の濡れ性を、JIS K6768に準拠して測定した。
サンプルフィルムの耐ブロッキング性を評価するために用いる相手方フィルムとして、表面にヒートシール層を露出させた後述の「相手方フィルム1」と、この相手方フィルム1のヒートシール層にアクリル系帯電防止剤層をさらに積層してそのアクリル系帯電防止剤層を露出させた後述の「相手方フィルム2」とを準備した。そして、これらの相手方フィルムを、外径が10.5cmの紙管の外周に、ヒートシール層またはアクリル系帯電防止剤層が外側になるように1mの長さで巻き付けた。さらに、その外周に、幅10mm×長さ150mmに切り取ったサンプルフィルムを、長さ方向が周方向になるよう、相手方フィルムのヒートシール層がサンプルフィルムの帯電防止層と接するように貼り付けた。そして、その上から、上述のPETフィルムを、テンション10kg/m、接圧10kg/m、巻取り速度100m/分の条件で、2000m巻き付けた。この状態で、60℃×3日間の条件下、熱風乾燥機で処理した(熱風乾燥処理)。その後、表層のPETフィルムを除去したうえで、サンプルフィルムである帯電防止フィルムと、相手方フィルムとの間の剥離強度を、島津製作所社製の「オートグラフAGS-100B」を用いて測定した。なお、剥離の測定に使用した供試物は、相手方フィルムのヒートシール層とサンプルフィルムの帯電防止層とが重なったままで15mm幅になるようにカットしたあと、サンプルフィルムとしての帯電防止フィルムを上側チャックに固定するとともに、相手方フィルムを下側チャックに固定し、測定するブロッキング部分を帯電防止フィルム側に曲げて剥離角度を180°として、300mm/分の速度で剥離した際の剥離強度を測定した。
耐ブロッキング性は、測定された剥離強度で評価した。この剥離強度は、0.5N/m以下であることが好ましい。
サンプルフィルムの帯電防止層の表面に、ニチバン社製セロテープ(登録商標)「LP-24」を貼り付けた後、フィルム面に対して垂直にこれを剥離した。そのときに、帯電防止層の欠落がなかったものを「良好」と評価し、帯電防止層が欠落したものを「不良」と評価した。
(1)相手方フィルム1
支持層にヒートシール層が積層された2層フィルムを作製した。詳細には、ヒートシール層は、スチレン-ブタジエン共重合体45質量部(電気化学工業社製「クリアレン」、スチレン/ブタジエン=30/70(質量比))と、ポリオレフィン樹脂(三井化学社製「タフマー」)45質量部と、耐衝撃性ポリエチレン(東洋スチレン社製「HI-E6」)10質量部とを含有する樹脂混合物にて構成した。支持層は、ポリオレフィン樹脂(三井化学社製「タフマー」)60質量部と、低密度ポリエチレン(宇部興産社製「UBEポリエチレン」)40質量部とを含有する樹脂混合物にて構成した。これらの樹脂混合物を用いて、T-ダイ共押出法により、ヒートシール層10μm、支持層20μm、総厚30μmの、ヒートシール層/ポリオレフィン樹脂支持層の2層フィルムを作製した。その際、T-ダイより押出されたフィルムを、シリコンゴム製のマットロール(支持層側)と、平均表面粗さを0.8μmに調整した金属製の冷却ロール(ヒートシール層側)とで挟持して引き取った。
相手方フィルム1のヒートシール層上に、コニシ社製アクリル系帯電防止剤「ボンディップPA-100」を、乾燥膜厚が0.1μmになるように塗布し、80℃×60秒で乾燥させることで、相手方フィルム2を作製した。
・重合体(A11)
アクリロイルアミノエチルジメチルアンモニウムメチルスルホン酸塩/N-メチロールアクリルアミドの共重合体、平均分子量40000、前二者の共重合比率(モル比)90/10、水酸基を有する単量体の合計は重合体(A11)中の全単量体に対して10モル%
ポリジアリルジメチルアンモニウムクロライド、平均分子量30000
アクリロイルアミノエチルジメチルアンモニウムメチルスルホン酸塩/アリルアミン塩酸塩/2-ヒドロキシエチルビニルエーテルの共重合体、平均分子量30000、前三者の共重合比率(モル比)80/5/15、水酸基を有する単量体の合計は重合体(A13)中の全単量体に対して20モル%
アクリロイルアミノプロピルトリメチルアンモニウムチオシアナート/ヒドロキシエチルアクリルアミドの共重合体、平均分子量20000、前二者の共重合比率(モル比)80/20、水酸基を有する単量体の合計は重合体(A14)中の全単量体に対して20モル%
アクリロイルアミノエチルジメチルアンモニウムメチルスルホン酸塩/アクリル酸エチル/N-メチロールアクリルアミド/共重合体、平均分子量40000、前三者の共重合比率(モル比)80/10/10、水酸基を有する単量体の合計は重合体(A11)中の全単量体に対して10モル%
ポリアミドポリアミン・アルキレンオキシド付加物硫酸塩、平均分子量20000
メチルメタクリレート/エチルアクリレート/アクリル酸/ジメチルアミノエチルメタクリレートのメチルサルフェート4級化物の共重合体、前四者の共重合比率(モル比)45/5/5/45、カルボキシル基を有する単量体の合計は重合体(A17)中の全単体量に対して5モル%
アクリロイルアミノエチルジメチルアンモニウムメチルスルホン酸塩重合体、平均分子量30000
アクリロイルアミノエチルジメチルアンモニウムメチルスルホン酸塩/アクリル酸エチルの共重合体、平均分子量20000、前二者の共重合比率(モル比)80/20
・アルキルウレア誘導体(B1)
オクタデシルエチレン尿素(保土谷化学工業社製、「オクテックスEM」)
オクタデシルエチレン尿素(大原パラヂウム社製、「パラヂウムRC」)
オクタデシルエチレン尿素(大原パラヂウム社製、「パラヂウムRS」)
エチレン系尿素(松本油脂工業社製、「ゲラネックスOM」)
・添加剤(B5)
アクリルシリコーンエマルジョン(日信化学工業社製、「シャリーヌR170EM」)
変性ポリエチレンエマルジョン(ユニチカ社製、「アローベースCD-1200」)
ポリアミドエマルジョン(中京油脂社製、「レゼムO642」)
・硬化剤(C1)
メラミン樹脂(長春化学社製、「スミマールM-30WT」)
ポリイソシアネート化合物(住化バイエルウレタン社製、「デスモジュール100」)
エポキシ基含有シランカップリング剤(信越化学工業社製、「KBM-403」)
アミノ基含有シランカップリング剤(信越化学工業社製、「KBE-703」)
ジルコニウムテトラアセチルアセトナート(マツモトファインケミカル社製、「ZC-150」)
炭酸ジルコニウムアンモニウム水溶液(第一稀元素化学工業社製、「AC-7」)
チタニウム化合物(マツモトファインケミカル社製、「TC-315」)
・分散消泡剤(D1)
アセチレングリコール系分散消泡剤(日信化学工業社製、「オルフィンE1004」)
シリカと鉱油とを含むアセチレングリコール系分散消泡剤(日信化学工業社製、「オルフィンAF103」)
・変性シリコーン化合物(E1)
ポリエーテル変性シロキサンコーポリマー(日本デグサ社製、「TEGO Glide410」)
ポリエーテル変性シリコーンオイル、ペインタブルタイプ(モメンティブ・パフォーマンス・マテリアルズ・ジャパン社製、「TSF-4452」)
重合体(A11)60質量部、アルキルウレア誘導体(B1)40質量部、硬化剤(C1)5質量部、分散消泡剤(D1)1.5質量部になるように水に溶解した塗工液を作製した。
実施例1と比べて、塗工液の配合を表1のように変更した。そして、それ以外は実施例1と同様として、帯電防止フィルムを得た。
実施例1で作製した塗工液を、(A)~(D)の合計の濃度が4.8質量%となるように水で希釈した、希釈塗工液を作製した。
実施例16と比べて、塗工液の配合を表1のように変更した。そして、それ以外は実施例16と同様として、帯電防止フィルムを得た。
アルキルウレア誘導体(B1)40質量部と、変性シリコーン(E1)1.5質量部とを、アズワン社製ホモミキサー「HM-310」に投入し、このホモミキサーによって6000rpmで10分間攪拌した。その後、硬化剤(C1)5質量部と重合体(A11)60質量部と水とを加え、さらにこのホモミキサーによって6000rpmで20分間攪拌することで、水に溶解した塗工液を作製した。
実施例19と比べて、塗工液の配合を表1のように変更した。そして、それ以外は実施例19と同様として、帯電防止フィルムを得た。
Claims (7)
- 樹脂フィルムの少なくとも片面に、帯電防止成分を有する重合体(A)と、アルキルウレア誘導体(B)と、硬化剤(C)とを含む帯電防止層が設けられており、23℃×50%RHにおける表面固有抵抗値が1.0×1011Ω/□以下であることを特徴とする帯電防止フィルム。
- 帯電防止成分を有する重合体(A)が4級アンモニウム塩基を有する重合体(A1)にて構成されており、4級アンモニウム塩基を有する重合体(A1)とアルキルウレア誘導体(B)との含有比率(A1/B)が30/70~95/5(質量比)であることを特徴とする請求項1記載の帯電防止フィルム。
- 4級アンモニウム塩基を有する重合体(A1)が、カルボキシル基、水酸基およびアミノ基からなる群から選ばれた1種以上の官能基を有することを特徴とする請求項2記載の帯電防止フィルム。
- 硬化剤(C)が、エポキシ化合物、アミノ樹脂、イソシアネート化合物、シラノール化合物および金属錯塩からなる群より選ばれた1種以上であることを特徴とする請求項1記載の帯電防止フィルム。
- 請求項1から4までのいずれかに記載の帯電防止フィルムを製造するに際し、帯電防止成分を有する重合体(A)または4級アンモニウム塩基を有する重合体(A1)と、アルキルウレア誘導体(B)と、硬化剤(C)とを含む塗工液を樹脂フィルムに塗布し、乾燥することで、帯電防止層を形成する工程を含むことを特徴とする帯電防止フィルムの製造方法。
- 塗工液が、さらに分散消泡剤(D)および/または変性シリコーン化合物(E)を含むことを特徴とする請求項5記載の帯電防止フィルムの製造方法。
- 塗工液の溶媒が水であることを特徴とする請求項5記載の帯電防止フィルムの製造方法。
Priority Applications (5)
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CN201380049043.2A CN104661816A (zh) | 2012-10-15 | 2013-10-11 | 防静电膜 |
JP2014542106A JPWO2014061581A1 (ja) | 2012-10-15 | 2013-10-11 | 帯電防止フィルム |
KR1020157009098A KR20150068954A (ko) | 2012-10-15 | 2013-10-11 | 대전 방지 필름 |
EP13847200.6A EP2907659A1 (en) | 2012-10-15 | 2013-10-11 | Anti-static film |
US14/433,694 US20150259545A1 (en) | 2012-10-15 | 2013-10-11 | Anti-static film |
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JP2012-227971 | 2012-10-15 | ||
JP2012227971 | 2012-10-15 | ||
JP2013-118919 | 2013-06-05 | ||
JP2013118919 | 2013-06-05 |
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WO2014061581A1 true WO2014061581A1 (ja) | 2014-04-24 |
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PCT/JP2013/077746 WO2014061581A1 (ja) | 2012-10-15 | 2013-10-11 | 帯電防止フィルム |
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US (1) | US20150259545A1 (ja) |
EP (1) | EP2907659A1 (ja) |
JP (1) | JPWO2014061581A1 (ja) |
KR (1) | KR20150068954A (ja) |
CN (1) | CN104661816A (ja) |
TW (1) | TW201425027A (ja) |
WO (1) | WO2014061581A1 (ja) |
Cited By (2)
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WO2016194421A1 (ja) * | 2015-06-02 | 2016-12-08 | 三菱樹脂株式会社 | 塗布フィルム |
JP2018178084A (ja) * | 2017-04-07 | 2018-11-15 | 三洋化成工業株式会社 | 帯電防止コーティング層 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106590460A (zh) * | 2016-12-30 | 2017-04-26 | 东莞市尼的科技股份有限公司 | 一种防静电保护膜 |
JP6989272B2 (ja) * | 2017-03-17 | 2022-01-05 | 日東電工株式会社 | 造型マット |
CN114479035A (zh) * | 2022-02-09 | 2022-05-13 | 苏州梅克兰循环科技有限公司 | 一种循环用纳米粒子增强型抗静电pet包装材料的制备方法 |
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- 2013-10-11 US US14/433,694 patent/US20150259545A1/en not_active Abandoned
- 2013-10-11 WO PCT/JP2013/077746 patent/WO2014061581A1/ja active Application Filing
- 2013-10-11 EP EP13847200.6A patent/EP2907659A1/en not_active Withdrawn
- 2013-10-11 CN CN201380049043.2A patent/CN104661816A/zh active Pending
- 2013-10-11 KR KR1020157009098A patent/KR20150068954A/ko not_active Application Discontinuation
- 2013-10-11 JP JP2014542106A patent/JPWO2014061581A1/ja active Pending
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Also Published As
Publication number | Publication date |
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TW201425027A (zh) | 2014-07-01 |
EP2907659A1 (en) | 2015-08-19 |
CN104661816A (zh) | 2015-05-27 |
KR20150068954A (ko) | 2015-06-22 |
US20150259545A1 (en) | 2015-09-17 |
JPWO2014061581A1 (ja) | 2016-09-05 |
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