CN106833424A - Outer spreading type Antistatic type pre-coating film and its production method - Google Patents
Outer spreading type Antistatic type pre-coating film and its production method Download PDFInfo
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- CN106833424A CN106833424A CN201710176892.4A CN201710176892A CN106833424A CN 106833424 A CN106833424 A CN 106833424A CN 201710176892 A CN201710176892 A CN 201710176892A CN 106833424 A CN106833424 A CN 106833424A
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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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
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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
- C09D165/00—Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- 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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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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
- 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
- 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
- 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
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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
- 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
- C09J2301/304—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 heat-activatable, i.e. not tacky at temperatures inferior to 30°C
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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
- 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
- C09J2301/314—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 layer and/or the carrier being conductive
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
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Abstract
The invention discloses a kind of outer spreading type Antistatic type pre-coating film, comprising：One base material；One anti-static function layer, the anti-static function layer is located at the upper surface of described base material；One hot melt adhesive layer, described hot melt adhesive layer is located at the lower surface of described base material.Anti-static function layer includes a functional layer, and the surface of described functional layer is coated with antistatic coating fluid.Anti-static function layer is coated with by base material side, the sheet resistance on surface is 105~109Ω, electrostatic field is 5~+5kv, and surface tension is not less than 42dyne, and antistatic property is not influenceed by ambient temperature and humidity, and persistence is no less than 6 months, while the operations such as hydrothermal aging, extrusion Compound Machining, overlay film are tolerated, without precipitation, stable performance.Contrast existing product, this pre-coating film has the advantages that simple structure, multiple functional, adhesive property are high.
Description
Technical field
The present invention relates to a kind of packaging material, more precisely, being a kind of outer spreading type Antistatic type pre-coating film.
Background technology
Coating technique not only can provide protective effect to printed matter, extend its service life, can also improve printed matter
Appearance, be widely used in books and periodicals, food, tobacco and wine, medicine etc. packaging on.Coating technique is divided into i.e. film coating technique
With pre-coating film coating technique, wherein compared to i.e. film coating technique, pre-coating film coating technique has environmentally friendly, safe, behaviour
The features such as making convenient, energy-efficient, excellent performance.The printed matters such as paper publication thing, packing material are by pre-coating film overlay film after-vision
Effect is good, bright in luster.
But, since the volume production in 2013, the big problem of film roll electrostatic receives cutting workman and customer to pre-coating film always
Complaint.Although taking the measure that ion blower is installed in cutting link, the surface that rolls out before factory of cutting is effectively reduced quiet
Electricity, but be the failure to change material physical property in itself.Therefore remain to experience larger electrostatic after client's uncoiling, particularly cover as
During some relatively thin paper such as 128gsm, 157gsm, the phenomenon of Electrostatic Absorption clearly, have a strong impact on follow-up two-sided overlay film,
The normal production of cross cutting or paste box operation.
The content of the invention
The present invention mainly solves the technical problem existing for prior art, so that it is pre- to provide a kind of outer spreading type Antistatic type
Film.
Above-mentioned technical problem of the invention is mainly what is be addressed by following technical proposals：
The invention discloses a kind of outer spreading type Antistatic type pre-coating film, comprising：
One base material；
One anti-static function layer, the anti-static function layer is located at the upper surface of described base material；
One hot melt adhesive layer, described hot melt adhesive layer is located at the lower surface of described base material.
As preferred embodiments of the present invention,
Described base material is biaxially oriented polyester film or BON biaxially oriented nylon film or bidirectional stretching polypropylene film；
The hot melt adhesive layer is common ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid
Any one in polymers, ethylene-methyl acrylate copolymer and low density polyethylene (LDPE).
Used as preferred embodiments of the present invention, described anti-static function layer includes a functional layer, described functional layer
Surface is coated with antistatic coating fluid, and described functional layer is anti-scratch layer or soft tactile layer, described antistatic coating fluid bag
Contain：
Antistatic additive, 0.1-10 mass parts；
Diluent, 84-98.9 mass parts；
Resin, 1-6 mass parts；
Wherein, described antistatic additive is quaternary ammonium salt, ALS, polyol esters of fatty acids class, ethyl alcohol amine
Compound or polyetheresteramide, polyether ester acid imide, acidifying tin system, poly- (3,4- ethylenedioxy thiophenes)-poly- (styrene sulfonic acid
Salt), at least one of Graphene, described diluent is at least one in water, ethanol, isopropanol, and described resin is water
At least one in property acrylic dispersions, waterborne polyester emulsion.
Used as preferred embodiments of the present invention, the thickness of described base material is 12~30 μm, described anti-static function layer
Thickness be 0.001~5 μm, the thickness of described hot melt adhesive layer is 10~50 μm.
The invention also discloses a kind of manufacture method of outer spreading type Antistatic type pre-coating film as the aforementioned, comprising step：
A, base material coiled material is placed on unreeling machine, and is unreeled by air-expanding shaft, launched；
B, the one side to base material functional layer to be coated carry out sided corona treatment, so that the surface tension of base material reaches 36-
54dyne；
C, first coating functions layer coating in be coated with the corona treated surface of base material, after drying antistatic coating fluid in
On the surface of function coating, it is dried by drying channel then；
D, hot melt adhesive layer is extruded using extruder, while being blown to extrusion by the ozone that ozone generator will be produced
At the curtain coating of hot melt adhesive layer material, the hot melt adhesive layer at curtain coating extrudes the surface for being incorporated into functional layer by nip roller, forms multiple
Film is closed, then is cooled down by chill roll；
E, the pre-coating film for machining is wound by winder.
Used as preferred embodiments of the present invention, the thickness of described described base material is 12~30 μm, and described is antistatic
The thickness of functional layer is 0.001~5 μm, and the thickness of described hot melt adhesive layer is 10~50 μm.
Outer spreading type Antistatic type pre-coating film of the invention has advantages below：Anti-static function is coated with by base material side
Layer, the sheet resistance on surface is 105~109Ω, electrostatic field is -5~+5kv, and surface tension is not less than 42dyne, and antistatic behaviour
Can not be influenceed by ambient temperature and humidity, persistence is no less than 6 months, while tolerating the works such as hydrothermal aging, extrusion Compound Machining, overlay film
Sequence, without precipitation, stable performance.Contrast existing product, it is excellent that this pre-coating film has simple structure, multiple functional, adhesive property high etc.
Point.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of outer spreading type Antistatic type pre-coating film of the invention.
Specific embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As shown in figure 1, the Antistatic type pre-coating film includes a base material 01, anti-static function layer 02 and a hot melt adhesive layer
03, anti-static function layer 02 is located at the upper surface of the base material 01, and hot melt adhesive layer 03 is located at the lower surface of the base material 01.
Specific embodiment is set forth below, Experimental Comparison is carried out for convenience, each embodiment one comparative example of correspondence：
Comparative example one
Matt Biaxially oriented polypropylene (BOPP) scratch resistance pre-coating film with width as 1400mm as comparative example, to according to this
The pre-coating film of inventive embodiments is described in detail.
Biaxially oriented polypropylene (BOPP) the scratch resistance pre-coating film, by base material 01, scratch resistance functional layer 02, hot melt adhesive layer 03
Composition, base material 01, scratch resistance functional layer 02 are identical with the width of hot melt adhesive layer 03.Wherein base material 01 is gathered using matt biaxial tension
Polypropylene film (BOPP), width is 1420mm, and thickness is 15 μm；Scratch resistance functional layer 02 uses solvent-borne type scratch-resistant coating, its
The solid content of coating is 30~35%, and the width of coating is 1420mm, and thickness is 3~5 μm；Hot melt adhesive layer 03 uses ethene-vinegar
Sour ethene (EVA) copolymer, compound width is 1420mm, and thickness is 13 μm.The thickness for manufacturing the pre-coating film for completing is about 31
~33 μm.
According to the present invention, the production method of matt Biaxially oriented polypropylene (BOPP) scratch resistance pre-coating film of comparative example one,
Comprise the following steps：
Step a, substrate layer is unreeled：Thickness is led to for 15 μm of bidirectional stretching polypropylene films (BOPP) are placed on unreeling machine
Cross air-expanding shaft to unreel, spread out；
Step b, the sided corona treatment of base material：Matt bidirectional stretching polypropylene film (BOPP) base material that will launch sends into corona
Processor, the one side to its functional layer to be coated carries out sided corona treatment, so that its surface tension >=38dyne；
Step c, is coated with scratch resistance functional layer：Biaxially oriented polypropylene from corona processor being corona treated out is thin
Film (BOPP) base material, into the first applicator roll, the first applicator roll will be placed on the painting of the first coating pan internal solvent type scratch-resistant coating
Cloth makes scratch resistance functional layer be combined with bidirectional stretching polypropylene film (BOPP) base material on the corona treated surface of base material, knot
Film after conjunction carries out drying and processing into drying channel, and the thickness of the scratch resistance functional layer after drying is 3~5 μm；
Step d, composite hot melt glue-line：Extrude extruder extrusion ethene-vinyl acetate (EVA) copolymer of composite production line
PUR, ozone generator is provided with the multi-procedure of production line, is produced ozone by ozone generator and is passed through ozonizer
It is blown at the curtain coating of the PUR of extrusion, while drying is combined with Antistatic type scratch resistance by the nip roller of production line
Bidirectional stretching polypropylene film (BOPP) film of layer is delivered to multi-procedure, and be cast to the PUR at multi-procedure position
Extruded by nip roller and combined, form composite membrane, then by chill roll cooling (temperature is 20 DEG C) treatment, the thickness of hot melt adhesive layer
It is 13 μm；
Step e, finished product winding：The pre-coating film for machining is wound by winder, the coiled material after winding is pre-
Film both sides of the edge are accumulative to cut away 20mm, and final products width is 1400mm, and thickness is 31~33 μm, thickness deviation≤2 μm.
Embodiment one
As a example by matt Biaxially oriented polypropylene (BOPP) Antistatic type scratch resistance pre-coating film with width as 1400mm, to root
It is described in detail according to the pre-coating film of the embodiment of the present invention.
Matt Biaxially oriented polypropylene (BOPP) the Antistatic type scratch resistance pre-coating film is by base material 01, Antistatic type functional layer
02nd, hot melt adhesive layer 03 is constituted, base material 01, Antistatic type functional layer 02, hot melt adhesive layer 03 width it is identical.
Using matt bidirectional stretching polypropylene film (BOPP), width is 1420mm to wherein base material 01, and thickness is 15 μm；It is anti-
Electrostatic functional layer 02 includes an anti-scratch layer and an antistatic layer, and anti-scratch layer surface is coated with antistatic coating fluid.It is anti-quiet
Electric coating fluid includes poly- (3,4-ethylene dioxythiophene)-poly- (styrene sulfonate) 10 mass parts, the mass parts of ethanol 84, aqueous third
The mass parts of olefin(e) acid dispersion liquid 6, the width of its anti-static function layer coating is 1420mm, and thickness is 3~5 μm；Hot melt adhesive layer 03 is adopted
With ethene-vinyl acetate (EVA) copolymer, compound width is 1420mm, and thickness is 13 μm.Manufacture the thickness of the pre-coating film for completing
About 31~33 μm of degree.
According to the present invention, the life of matt Biaxially oriented polypropylene (BOPP) Antistatic type scratch resistance pre-coating film of embodiment one
Product method, comprises the following steps：
Step a, substrate layer is unreeled：By thickness for 15 μm of matt bidirectional stretching polypropylene films (BOPP) are placed in unreeling machine
On unreeled by air-expanding shaft, spread out；
Step b, the sided corona treatment of base material：Bidirectional stretching polypropylene film (BOPP) base material that will launch sends into sided corona treatment
Device, the one side to its functional layer to be coated carries out sided corona treatment, so that its surface tension >=38dyne；
Step c, is coated with Antistatic type scratch resistance functional layer：From the biaxial tension of corona processor being corona treated out
Polypropylene film (BOPP) base material, into the first applicator roll, first coats the coating of scratch resistance functional layer in the sided corona treatment of base material
Antistatic coating fluid is coated with surface, after drying on the surface of scratch resistance functional layer, it is entered by drying channel then
Film after row drying is combined carries out drying and processing into drying channel, and the thickness of the Antistatic type functional layer after drying is 3~5
μm；
Step d, composite hot melt glue-line：Extrude extruder extrusion ethene-vinyl acetate (EVA) copolymer of composite production line
PUR, ozone generator is provided with the multi-procedure of production line, is produced ozone by ozone generator and is passed through ozonizer
It is blown at the curtain coating of the PUR of extrusion, while drying is combined with Antistatic type scratch resistance by the nip roller of production line
Bidirectional stretching polypropylene film (BOPP) film of layer is delivered to multi-procedure, and be cast to the PUR at multi-procedure position
Extruded by nip roller and combined, form composite membrane, then by chill roll cooling (temperature is 20 DEG C) treatment, the thickness of hot melt adhesive layer
It is 13 μm；
Step e, finished product winding：The pre-coating film for machining is wound by winder, the coiled material after winding is pre-
Film both sides of the edge are accumulative to cut away 20mm, and final products width is 1400mm, and thickness is 31~33 μm, thickness deviation≤2 μm.
Comparative example two
As a example by light biaxial stretching polyester (BOPET) pre-coating film with width as 1600mm, to according to embodiments of the present invention
Pre-coating film be described in detail：
Light biaxial stretching polyester (BOPET) pre-coating film, is made up of base material 01, hot melt adhesive layer 03, base material 01 and hot melt
The width of glue-line 03 is identical.Wherein using light biaxially oriented polyester film (BOPET), width is 1620mm, thickness to base material 01
It is 25 μm；Hot melt adhesive layer 03 uses ethene-vinyl acetate (EVA) copolymer, and compound width is 1620mm, and thickness is 50 μm.
The thickness for manufacturing the pre-coating film for completing is about 75 μm.
According to the present invention, the production method of light biaxial stretching polyester (BOPET) pre-coating film of comparative example two, including it is following
Step：
Step a, substrate layer is unreeled：By thickness for 25 μm of light biaxially oriented polyester films (BOPET) are placed in unreeling machine
On unreeled by air-expanding shaft, spread out；
Step b, the sided corona treatment of base material：Light biaxially oriented polyester film (BOPET) base material that will launch sends into corona
Processor, so that its surface tension >=48dyne；
Step c, composite hot melt glue-line：Extrude extruder extrusion ethene-vinyl acetate (EVA) copolymer of composite production line
PUR, ozone generator is provided with the multi-procedure of production line, is produced ozone by ozone generator and is passed through ozonizer
It is blown at the curtain coating of the PUR of extrusion, while the nip roller of production line is by the light biaxial stretching polyester of drying
(BOPET) film is delivered to multi-procedure, and extrudes combination, shape by nip roller with the PUR for being cast to multi-procedure position
Into composite membrane, then by chill roll cooling (temperature is 20 DEG C) treatment, the thickness of hot melt adhesive layer is 50 μm；
Step d, finished product winding：The pre-coating film for machining is wound by winder, the coiled material after winding is pre-
Film both sides of the edge are accumulative to cut away 20mm, and final products width is 1600mm, and thickness is 75 μm, thickness deviation≤2 μm.
Embodiment two：
As a example by light biaxial stretching polyester (BOPET) antistatic pre-coating film with width as 1600mm, to according to the present invention
The pre-coating film of embodiment is described in detail：
Light biaxially oriented polyester film (BOPET) the antistatic pre-coating film is by base material 01, antistatic layer 02, hot melt adhesive layer
03 composition, base material 01, antistatic layer 02, hot melt adhesive layer 03 width it is identical.
Using light biaxially oriented polyester film (BOPET), width is 1620mm to wherein base material 01, and thickness is 25 μm；It is anti-
Electrostatic layer 02 is to coat antistatic coating fluid on the surface of base material 01.Antistatic coating fluid includes the mass parts of polyether ester acid imide 3, different
The mass parts of propyl alcohol 96, the mass parts of waterborne polyester emulsion liquid 1, the width of coating is 1620mm, and thickness is 0.001 μm, and coating weight exists
Between 0.009~0.01g/ ㎡；Hot melt adhesive layer 03 uses ethylene-methyl acrylate (EMA) copolymer, and compound width is
1620mm, thickness is 50 μm.The thickness for manufacturing the pre-coating film for completing is about 75 μm.
According to the present invention, the production method of embodiment two light biaxially oriented polyester film (BOPET) antistatic pre-coating film,
Comprise the following steps：
Step a, substrate layer is unreeled：By thickness for 25 μm of light biaxially oriented polyester films (BOPET) are placed in unreeling machine
On unreeled by air-expanding shaft, spread out；
Step b, the sided corona treatment of base material：Light biaxially oriented polyester film (BOPET) base material that will launch sends into corona
Processor, the one side to its functional layer to be coated carries out sided corona treatment, so that its surface tension >=48dyne；
Step c, is coated with antistatic layer：From the light biaxially oriented polyester film of corona processor being corona treated out
(BOPET) base material, into the first applicator roll, the coating of first coating functions layer on the corona treated surface of base material, after drying again
Antistatic coating fluid is coated on the surface of function coating, then by drying channel to its film after carrying out drying combination
Drying and processing is carried out into drying channel, the thickness of the functional layer after drying is 0.001 μm, and coating weight is in 0.009~0.01g/
Between ㎡；
Step d, composite hot melt glue-line：Extrude extruder extrusion ethylene-methyl acrylate (EMA) copolymerization of composite production line
Thing PUR, ozone generator is provided with the multi-procedure of production line, is produced ozone by ozone generator and is passed through ozone
Pipe injection at the curtain coating of the PUR of extrusion, while the nip roller of production line is by the light for scribbling antistatic additive of drying
Biaxially oriented polyester film (BOPET) delivers to multi-procedure, and passes through nip roller with the PUR for being cast to multi-procedure position
Extruding is combined, and forms composite membrane, then by chill roll cooling (temperature is 20 DEG C) treatment, the thickness of hot melt adhesive layer is 50 μm；
Step e, finished product winding：The pre-coating film for machining is wound by winder, the coiled material after winding is pre-
Film both sides of the edge are accumulative to cut away 20mm, and final products width is 1600mm, and thickness is 75 μm, thickness deviation≤2 μm.
Comparative example three
As a example by light biaxial tension nylon (BOPA) pre-coating film with width as 1600mm, to according to embodiments of the present invention
Pre-coating film is described in detail：
Light biaxial tension nylon (BOPA) pre-coating film, by base material 01, soft contact sensing functions layer 02,03 group of hot melt adhesive layer
Into base material 01, soft contact sensing functions layer 02 are identical with the width of hot melt adhesive layer 03.Wherein base material 01 uses light biaxial tension nylon
(BOPA) film, width is 1620mm, and thickness is 12 μm；Soft contact sensing functions layer 02 uses soft feel coating, and the solid of its coating contains
It is 30~35% to measure, and the width of coating is 1620mm, and thickness is 3~5 μm；Hot melt adhesive layer 03 is using ethene-vinyl acetate (EVA)
Copolymer, compound width is 1620mm, and thickness is 31 μm.The thickness for manufacturing the pre-coating film for completing is about 46~48 μm.
According to the present invention, the production method of light biaxial tension nylon (BOPA) pre-coating film of comparative example three, including it is following
Step：
Step a, substrate layer is unreeled：By thickness for 12 μm of light biaxial tension nylon (BOPA) films are placed on unreeling machine
Unreeled by air-expanding shaft, spread out；
Step b, the sided corona treatment of base material：At light biaxial tension nylon (BOPA) film substrate feeding corona that will launch
Reason device, so that its surface tension >=48dyne；
Step c, is coated with soft contact sensing functions layer：From the biaxial tension nylon of corona processor being corona treated out
(BOPA) film substrate, into the first applicator roll, the first applicator roll will be placed on soft feel coating in the first coating pan and be coated on
On the corona treated surface of base material, soft contact sensing functions layer is set to be combined with BON biaxially oriented nylon film (BOPA) base material, with reference to after
Film carries out drying and processing into drying channel, and the thickness of the soft contact sensing functions layer after drying is 3~5 μm；
Step d, composite hot melt glue-line：Extrude extruder extrusion ethene-vinyl acetate (EVA) copolymer of composite production line
PUR, ozone generator is provided with the multi-procedure of production line, is produced ozone by ozone generator and is passed through ozonizer
It is blown at the curtain coating of the PUR of extrusion, while the nip roller of production line is by the light biaxial tension nylon of drying
(BOPA) film is delivered to multi-procedure, and extrudes combination, shape by nip roller with the PUR for being cast to multi-procedure position
Into composite membrane, then by chill roll cooling (temperature is 20 DEG C) treatment, the thickness of hot melt adhesive layer is 31 μm；
Step d, finished product winding：The pre-coating film for machining is wound by winder, the coiled material after winding is pre-
Film both sides of the edge are accumulative to cut away 20mm, and final products width is 1600mm, and thickness is 46~48 μm, thickness deviation≤2 μm.
Embodiment three
As a example by Antistatic type light biaxial tension nylon (BOPA) pre-coating film with width as 1600mm, to according to the present invention
The pre-coating film of embodiment is described in detail：
Antistatic type light biaxial tension nylon (BOPA) pre-coating film is by base material 01, antistatic layer 02, hot melt adhesive layer 03
Composition, base material 01, antistatic layer 02, hot melt adhesive layer 03 width it is identical.
Wherein base material 01 uses light biaxial tension nylon (BOPA) film, and width is 1620mm, and thickness is 12 μm；It is anti-quiet
Electric layer 02 includes a soft tactile layer and an antistatic layer, and soft sense of touch layer surface is coated with antistatic coating fluid.Antistatic coating fluid
Comprising the mass parts of Graphene 0.1, the mass parts of water 98.9, the mass parts of water soluble acrylic acid dispersion liquid 1, the width of coating is 1620mm,
Thickness is 3 μm, and coating weight is between 0.009~0.01g/ ㎡；Hot melt adhesive layer 03 uses ethylene-methyl acrylate (EMA) copolymerization
Thing, compound width is 1620mm, and thickness is 31 μm.The thickness for manufacturing the pre-coating film for completing is about 46 μm.
According to the present invention, the production method of embodiment three Antistatic type light biaxial tension nylon (BOPA) pre-coating film, bag
Include following steps：
Step a, substrate layer is unreeled：By thickness for 15 μm of Antistatic type light biaxial tension nylon (BOPA) films are placed in
Unreeled by air-expanding shaft on unreeling machine, spread out；
Step b, the sided corona treatment of base material：Antistatic type light biaxial tension nylon (BOPA) film substrate for launching is sent
Enter corona processor, the one side to its functional layer to be coated carries out sided corona treatment, so that its surface tension >=48dyne；
Step c, the soft contact sensing functions layer of coating Antistatic type：From the biaxial tension of corona processor being corona treated out
Nylon (BOPA) film substrate, into the first applicator roll, the first applicator roll will be placed on soft feel coating in the first coating pan and apply
Cloth makes soft contact sensing functions layer be combined with BON biaxially oriented nylon film (BOPA) base material on the corona treated surface of base material, dries
Antistatic coating fluid is coated with afterwards on the surface of soft contact sensing functions layer, and the film with reference to after is carried out at drying into drying channel
Reason, the thickness of the soft contact sensing functions layer of Antistatic type after drying is 3~5 μm；
Step d, composite hot melt glue-line：Extrude extruder extrusion ethylene-methyl acrylate (EMA) copolymerization of composite production line
Thing PUR, ozone generator is provided with the multi-procedure of production line, is produced ozone by ozone generator and is passed through ozone
Pipe injection at the curtain coating of the PUR of extrusion, while the nip roller of production line is by the light for scribbling antistatic additive of drying
Biaxial tension nylon (BOPA) film delivers to multi-procedure, and is squeezed by nip roller with the PUR for being cast to multi-procedure position
Pressure is combined, and forms composite membrane, then by chill roll cooling (temperature is 20 DEG C) treatment, the thickness of hot melt adhesive layer is 31 μm；
Step e, finished product winding：The pre-coating film for machining is wound by winder, the coiled material after winding is pre-
Film both sides of the edge are accumulative to cut away 20mm, and final products width is 1600mm, and thickness is 46~48 μm, thickness deviation≤2 μm.
Specific test data is as shown in Table 1:
Table one
Remarks：45 DEG C of aging condition, humidity 90%, time 72h.
It should be noted that the composition of antistatic coating is：
Antistatic additive 0.1-10 mass parts
Diluent 84-98.9 mass parts
Resin 1-6 mass parts
Wherein, antistatic additive is one or more in cationic active agent, anion active agent, conductive polymer subtype
Combination, diluent is the mixed solvent of one or more in water, ethanol, isopropanol, and described resin is water soluble acrylic acid point
The mixing of one or more in dispersion liquid, waterborne polyester emulsion.Pre-coating film according to embodiments of the present invention, by base material side
Coating anti-static function layer, the sheet resistance on surface is 105~109Ω, electrostatic field is -5~+5kv, and surface tension is not less than
42dyne, and antistatic property do not influenceed by ambient temperature and humidity, persistence is no less than 6 months, while tolerating hydrothermal aging, extrusion
The operations such as Compound Machining, overlay film, without precipitation, stable performance.Contrast existing product, this pre-coating film has simple structure, function neat
Entirely, the advantages of adhesive property is high.
This is not limited to, any change or replacement expected without creative work should all be covered in guarantor of the invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of outer spreading type Antistatic type pre-coating film, comprising：
One base material (01)；
One anti-static function layer (02), anti-static function layer (02) is located at the upper surface of described base material (01)；
One hot melt adhesive layer (03), described hot melt adhesive layer (03) is located at the lower surface of described base material (01).
2. outer spreading type Antistatic type pre-coating film according to claim 1, it is characterised in that
Described base material (01) is biaxially oriented polyester film or BON biaxially oriented nylon film or bidirectional stretching polypropylene film；
The hot melt adhesive layer (03) is ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid are common
Any one in polymers, ethylene-methyl acrylate copolymer and low density polyethylene (LDPE).
3. outer spreading type Antistatic type pre-coating film according to claim 2, it is characterised in that described anti-static function layer
(02) comprising a functional layer, the surface of described functional layer is coated with antistatic coating fluid, and described functional layer is anti-scratch layer
Or soft tactile layer, described antistatic coating fluid includes：
Antistatic additive, 0.1-10 mass parts；
Diluent, 84-98.9 mass parts；
Resin, 1-6 mass parts；
Wherein, described antistatic additive is quaternary ammonium salt, ALS, polyol esters of fatty acids class, ethyl alcohol amine chemical combination
Thing or polyetheresteramide, polyether ester acid imide, acidifying tin system, poly- (3,4- ethylenedioxy thiophenes)-poly- (styrene sulfonate), stone
At least one of black alkene, described diluent is at least one in water, ethanol, isopropanol, and described resin is aqueous acrylamide
At least one in sour dispersion liquid, waterborne polyester emulsion.
4. outer spreading type Antistatic type pre-coating film according to claim 3, it is characterised in that the thickness of described base material (01)
It is 12~30 μm, the thickness of described anti-static function layer (02) is 0.001~5 μm, the thickness of described hot melt adhesive layer (03)
It is 10~50 μm.
5. a kind of manufacture method of outer spreading type Antistatic type pre-coating film as claimed in claim 3, comprising step：
A, base material (01) coiled material is placed on unreeling machine, and is unreeled by air-expanding shaft, launched；
B, the one side to base material (01) functional layer to be coated carry out sided corona treatment, so that the surface tension of base material (01) reaches 36-
54dyne；
C, first coating functions layer coating in be coated with the corona treated surface of base material (01), after drying antistatic coating fluid in
On the surface of function coating, it is dried by drying channel then；
D, using extruder by hot melt adhesive layer (03) extrude, while by ozone generator will produce ozone be blown to extrusion
At the curtain coating of hot melt adhesive layer material, the hot melt adhesive layer (03) at curtain coating extrudes the surface for being incorporated into functional layer, shape by nip roller
Into composite membrane, then cooled down by chill roll；
E, the pre-coating film for machining is wound by winder.
6. the manufacture method of outer spreading type Antistatic type pre-coating film according to claim 5, it is characterised in that described base material
(01) thickness is 12~30 μm, and the thickness of described anti-static function layer (02) is 0.001~5 μm, described hot melt adhesive layer
(03) thickness is 10~50 μm.
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| CN109016580A (en) * | 2018-08-20 | 2018-12-18 | 扬州市众和同盛包装材料有限公司 | A kind of preparation process of BOPP sense of touch mercerising film |
| CN109294411A (en) * | 2018-09-05 | 2019-02-01 | 纳琳威纳米科技南通有限公司 | A kind of clear aqueous AZO antistatic coating and preparation method thereof |
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| CN112063207A (en) * | 2020-09-01 | 2020-12-11 | 上海敦欣标签标识有限公司 | Environment-friendly degradable BOPP synthetic label film coating and preparation method thereof |
| CN114410247A (en) * | 2021-12-20 | 2022-04-29 | 张家港保税区康得菲尔实业有限公司 | Portrait digital pre-coating film, preparation method and film coating process |
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Effective date of registration: 20200123 Address after: 215600 west side of Taiwan Road, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province, south side of Hexin chemical Applicant after: ZHANGJIAGANG FREE TRADE ZONE KANGDE FILM INDUSTRY Co.,Ltd. Address before: 102299, Changping District science and Technology Park, Zhenxing Road, 26, 1, 2, Beijing Applicant before: BEIJING KANGDEXIN FILM MATERIAL CO.,LTD. |
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Application publication date: 20170613 |