CN206692592U - One kind is packed for Antistatic type pre-coating film - Google Patents
One kind is packed for Antistatic type pre-coating film Download PDFInfo
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- CN206692592U CN206692592U CN201720285527.2U CN201720285527U CN206692592U CN 206692592 U CN206692592 U CN 206692592U CN 201720285527 U CN201720285527 U CN 201720285527U CN 206692592 U CN206692592 U CN 206692592U
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- 239000011248 coating agent Substances 0.000 title claims abstract description 70
- 238000000576 coating method Methods 0.000 title claims abstract description 70
- 239000010410 layer Substances 0.000 claims abstract description 103
- 239000000463 material Substances 0.000 claims abstract description 54
- 239000004831 Hot glue Substances 0.000 claims abstract description 27
- 230000001737 promoting effect Effects 0.000 claims abstract description 26
- 239000002346 layers by function Substances 0.000 claims description 28
- 239000004743 Polypropylene Substances 0.000 claims description 20
- 229920001155 polypropylene Polymers 0.000 claims description 20
- -1 polypropylene Polymers 0.000 claims description 19
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 8
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims description 3
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 3
- 229920006225 ethylene-methyl acrylate Polymers 0.000 claims description 3
- 229920006284 nylon film Polymers 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 24
- 238000001125 extrusion Methods 0.000 abstract description 11
- 150000001875 compounds Chemical class 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 7
- 230000005686 electrostatic field Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 230000002688 persistence Effects 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 4
- 238000007639 printing Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010931 gold Substances 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 238000012858 packaging process Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 83
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 28
- 238000001035 drying Methods 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 20
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 19
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 12
- 239000000654 additive Substances 0.000 description 12
- 230000000996 additive effect Effects 0.000 description 12
- 239000002131 composite material Substances 0.000 description 12
- 239000006120 scratch resistant coating Substances 0.000 description 10
- 238000003851 corona treatment Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 6
- 239000012943 hotmelt Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000007766 curtain coating Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 239000007888 film coating Substances 0.000 description 4
- 238000009501 film coating Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002318 adhesion promoter Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
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- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- 230000000704 physical effect Effects 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
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Landscapes
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model discloses one kind to be packed for Antistatic type pre-coating film, includes successively from top to down：One anti-static function layer；One base material；One hot melt adhesive layer；One adhesion promoting layer or a digital layer.By being coated with anti-static function layer in base material side, the sheet resistance on top layer is less than 1010Ω, electrostatic field is not more than ± 3kv, and antistatic property is not influenceed by ambient temperature and humidity, and persistence is no less than 6 months.Meanwhile anti-static function layer at 120 DEG C without adhesion phenomenon, can tolerate the processes such as hydrothermal aging, extrusion Compound Machining, overlay film, no precipitation, stable performance.In addition, surface tension is not less than 42dyne, printing packaging process after gold stamping grade can be met.Existing product is contrasted, this pre-coating film has the advantages that simple in construction, multiple functional, effect is lasting.
Description
Technical field
A kind of printed apcksging material is the utility model is related to, more precisely, being a kind of 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 work is convenient, energy-efficient, excellent performance.The printed matters such as paper publication thing, packing material pass through pre-coating film overlay film after-vision
Effect is good, bright in luster.
But pre-coating film is since volume production in 2013, the problem of film roll electrostatic is big, receives cutting worker and customer always
Complaint.Although taking the measure in cutting link installation ion blower, it is quiet to effectively reduce the surface cut before rolling out factory
Electricity, but be the failure to change the physical property of material 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 process.
Utility model content
The utility model is mainly to solve the technical problem present in prior art, so as to provide a kind of Antistatic type precoating
Film.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
The utility model discloses a kind of Antistatic type pre-coating film, include successively from top to down：
One anti-static function layer；
One base material；
One hot melt adhesive layer；
One adhesion promoting layer or a digital layer.
As the utility model preferred embodiment,
Described anti-static function layer is Antistatic type anti-scratch layer or soft tactile layer；
Described base material is biaxially oriented polyester film or BON biaxially oriented nylon film or bidirectional stretching polypropylene film；
Described hot melt adhesive layer is ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid
One of which in copolymer, ethylene-methyl acrylate copolymer and low density polyethylene (LDPE).
As the utility model preferred embodiment, described anti-static function layer includes：
Antistatic additive, 0.1-5 mass parts
Functional coating, 100 mass parts
Wherein, described antistatic additive is at least one in cationic surface active agent, anionic interfacial agent
Kind；Described functional coating is wherein one in solvent-borne type scratch-resistant coating, water-based scratch-resistant coating, water-based soft feel coating
Kind.
As the utility model preferred embodiment, the thickness of the Antistatic type functional layer is 0.001~5 μm, described
The thickness of base material be 10~30 μm, the thickness of described hot melt adhesive layer is 10~35 μm, the thickness of the adhesion promoting layer or digital layer
Spend for 0.05~0.3 μm, the coating dry weight of described adhesion promoting layer is between 0.05~0.5g/ ㎡.
As the utility model preferred embodiment, the sheet resistance of described anti-static function layer is 105~109Ω, it is quiet
Electric field is -3~+3kv, and surface tension is not less than 42dyne.
The invention also discloses a kind of production method of Antistatic type pre-coating film as the aforementioned, step is included：
Step a, substrate layer unreels：Base material is placed on unreeling machine and unreeled by air-expanding shaft, is spread out；
Step b, the sided corona treatment of base material：The base material of expansion is sent into corona processor, to the one of its functional layer to be coated
Face carries out sided corona treatment, so that its surface tension >=38dyne；
Step c, it is coated with anti-static function layer：The base material being corona treated come out from corona processor, is applied into first
The functional coating for the addition antistatic additive being placed in the first coating pan is coated on the corona of base material by cloth rewinder roll, the first applicator roll
Handle on surface so that anti-static function layer is combined with base material, and the film with reference to after enters drying channel and carries out drying and processing；
Step d, composite hot melt glue-line：By the extruder extruding and hot melting glue-line of composite production line, in the compound work of production line
Ozone generator is provided with position, ozone is produced and by the curtain coating of ozonizer injection to the PUR of extrusion by ozone generator
Place, while the base material for being combined with anti-static function layer of drying is delivered to multi-procedure by the nip roller of production line, and with
The PUR for being cast to multi-procedure position extrudes combination by nip roller, forms composite membrane, then by chill roll cooling treatment；
Step e, it is coated with adhesion promoting layer：The film sent from chill roll enters the second applicator roll, and the second applicator roll will be put
Put the auxiliary element 0.1%~10% of polyaminoester emulsion and content of solid content in the second coating pan 5%~50%
On the surface of the hot melt adhesive layer of mixture coated thin film, it is set to be combined with film, the film then in conjunction with after enters drying channel
Carry out drying and processing；
Step f, finished product is wound：The pre-coating film machined is wound by winder.
As the utility model preferred embodiment, the thickness of the Antistatic type functional layer is 0.001~5 μm, described
The thickness of base material be 10~30 μm, the thickness of described hot melt adhesive layer is 10~35 μm, the thickness of the adhesion promoting layer or digital layer
Spend for 0.05~0.3 μm, the coating dry weight of described adhesion promoting layer is between 0.05~0.5g/ ㎡.
Antistatic type pre-coating film of the present utility model has advantages below：By being coated with anti-static function in base material side
Layer, the sheet resistance on surface is 105~109Ω, electrostatic field are -3~+3kv, and surface tension is not less than 42dyne, and antistatic behaviour
It can not be influenceed by ambient temperature and humidity, persistence is no less than 6 months, while is resistant to the works such as hydrothermal aging, extrusion Compound Machining, overlay film
Sequence, no precipitation, stable performance.In addition, by being coated with adhesion promoting layer in hot melt adhesive layer side, can improve pre-coating film and printed matter it
Between cementability, thus, the bonding force of pre-coating film is far longer than common pre-coating film, be suitably applied postprocessing working procedures requirement,
Moistened surface tension force is low and printing of the more difficult overlay film under high speed.Contrast existing product, this pre-coating film have it is simple in construction,
Multiple functional, the advantages that adhesive property is high.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the dimensional structure diagram of Antistatic type pre-coating film of the present utility model；
Wherein：01st, base material；02nd, anti-static function layer；03rd, hot melt adhesive layer；04th, adhesion promoting layer；05th, digital layer.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
As shown in figure 1, the Antistatic type pre-coating film, from top to down successively comprising an anti-static function layer 02, a base material 01,
One hot melt adhesive layer 03,04 or one digital layer 05 of an adhesion promoting layer.
The base material 01 is biaxially oriented polyester film or BON biaxially oriented nylon film or bidirectional stretching polypropylene film.This is anti-
Electrostatic function layer 02 is Antistatic type anti-scratch layer or soft tactile layer.The anti-static function layer 02 includes：
Antistatic additive, 0.1-5 mass parts
Functional coating, 100 mass parts
Wherein, the antistatic additive is at least one of cationic surface active agent, anionic interfacial agent；Should
Functional coating is one kind in solvent-borne type scratch-resistant coating, water-based scratch-resistant coating, water-based soft feel coating.
The hot melt adhesive layer 03 is that ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid are common
At least one of polymers, ethylene-methyl acrylate copolymer and low density polyethylene (LDPE).
The adhesion promoting layer 04 be solid content 5%~50% polyaminoester emulsion and solids content 0.1%~10% it is auxiliary
The mixture of co-ingredients, auxiliary element include levelling agent and adhesion promoters.
The thickness of the Antistatic type functional layer 02 is 0.001~5 μm, and the thickness of the base material 01 is 10~30 μm, the hot melt
The thickness of glue-line 03 is 10~35 μm, and the thickness of the adhesion promoting layer 04 or digital layer 05 is 0.05~0.3 μm, the adhesion promoting layer 04
Dry weight is coated between 0.05~0.5g/ ㎡.
The sheet resistance of the anti-static function layer 02 is 105~109Ω, electrostatic field are -3~+3kv, and surface tension is not less than
42dyne。
By being coated with Antistatic type functional layer, in addition to the properties for maintaining former functional layer, surface in the side of base material 01
The sheet resistance of layer can be down to 1010Below and persistence is good, and is resistant to the processes such as hydrothermal aging, extrusion Compound Machining, overlay film,
Without precipitation, stable performance.By being coated with adhesion promoting layer 04 or digital layer 05 in the side of hot melt adhesive layer 03, pre-coating film and print can be improved
Cementability between brush product, the bonding force of this pre-coating film is far longer than common pre-coating film, be suitably applied postprocessing working procedures
It is required that, moistened surface tension force is low and printing of the more difficult overlay film under high speed.
According to some preferred embodiments of the present utility model, the thickness of base material 01 is 12~20 μm, anti-static function layer 02
Thickness be 0.01~5 μm, the thickness of hot melt adhesive layer 03 is 12~25 μm, the thickness of adhesion promoting layer 04 or digital layer for 0.05~
0.1μm
Further the utility model is illustrated below by a comparative example and two embodiments.
Comparative example
It is 1400mm matt Biaxially oriented polypropylene (BOPP) scratch resistance pre-coating film for comparative example using width, to according to this
The pre-coating film of utility model embodiment is described in detail.
As shown in figure 1, Biaxially oriented polypropylene (BOPP) scratch resistance pre-coating film, by base material 01, scratch resistance functional layer 02, heat
Melt layer 03 forms, and base material 01, scratch resistance functional layer 02 are identical with the width of hot melt adhesive layer 03.Wherein base material 01 is double using matt
To stretched polypropene film (BOPP), width 1420mm, thickness is 15 μm；Scratch resistance functional layer 02 uses solvent-borne type scratch resistance
Coating, its solid content being coated with are 30~35%, and the width of coating is 1420mm, and thickness is 3~5 μm；Hot melt adhesive layer 03 uses
Ethene-vinyl acetate (EVA) copolymer, compound width are 1420mm, and thickness is 13 μm.Manufacture the thickness for the pre-coating film completed
About 31~33 μm.
According to the utility model, the producer of matt Biaxially oriented polypropylene (BOPP) scratch resistance pre-coating film of comparative example one
Method, comprise the following steps：
Step a, substrate layer unreel：Thickness is placed on unreeling machine for 15 μm of bidirectional stretching polypropylene films (BOPP) and led to
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 of expansion is sent into corona
Processor, sided corona treatment is carried out to the one side of its functional layer to be coated, so that its surface tension >=38dyne；
Step C, it is coated with scratch resistance functional layer：The Biaxially oriented polypropylene being corona treated come out from corona processor 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 enters drying channel and carries out drying and processing, 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, ozone is produced by ozone generator and passes 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 with being cast to the PUR at multi-procedure position
Extruded and combined by nip roller, form composite membrane, then (temperature is 20 DEG C) processing, the thickness of hot melt adhesive layer are cooled down by chill roll
For 13 μm；
Step e, finished product winding：The pre-coating film machined 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
So that width is 1400mm matt Biaxially oriented polypropylene (BOPP) Antistatic type scratch resistance pre-coating film as an example, to root
It is described in detail according to the pre-coating film of the utility model embodiment.
As shown in figure 1, matt Biaxially oriented polypropylene (BOPP) Antistatic type scratch resistance pre-coating film is by base material 01, antistatic
Type functional layer 02, hot melt adhesive layer 03 form, and base material 01, Antistatic type functional layer 02, the width of hot melt adhesive layer 03 are identical.
Wherein base material 01 is 12 μm using matt bidirectional stretching polypropylene film (BOPP), width 1420mm, thickness；It is anti-
Electrostatic functional layer 02 is matched as the mass parts of antistatic additive 1, scratch resistance using the solvent-borne type scratch-resistant coating of addition antistatic additive
The mass parts of coating 100, wherein antistatic additive are quaternaries cation type antistatic additive, and scratch-resistant coating is：What it was coated with consolidates
Content is 30~35%, and the width of coating is 1420mm, and thickness is 5 μm；Hot melt adhesive layer 03 is using ethene-vinyl acetate (EVA)
Copolymer, compound width are 1420mm, and thickness is 10 μm.The thickness for manufacturing the pre-coating film completed is about 27 μm.
According to the utility model, matt Biaxially oriented polypropylene (BOPP) Antistatic type scratch resistance pre-coating film of embodiment one
Production method, comprise the following steps：
Step a, substrate layer unreel：It is that 15 μm of matt bidirectional stretching polypropylene films (BOPP) are placed in unreeling machine by thickness
On unreeled by air-expanding shaft, spread out；
Step b, the sided corona treatment of base material：Bidirectional stretching polypropylene film (BOPP) base material of expansion is sent into sided corona treatment
Device, sided corona treatment is carried out to the one side of its functional layer to be coated, so that its surface tension >=
38dyne；
Step c, it is coated with antistatic scratch resistance functional layer：The biaxial tension being corona treated come out from corona processor gathers
Polypropylene film (BOPP) base material, into the first applicator roll, the first applicator roll is antistatic by the addition being placed in the first coating pan
The solvent-borne type scratch-resistant coating of agent is coated on the corona treated surface of base material, makes Antistatic type scratch resistance functional layer and two-way drawing
Polypropylene stretched film (BOPP) base material combines, and the film with reference to after enters drying channel and carries out drying and processing, anti-quiet after drying
The thickness of electric type functional layer 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, ozone is produced by ozone generator and passes 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 with being cast to the PUR at multi-procedure position
Extruded and combined by nip roller, form composite membrane, then (temperature is 20 DEG C) processing, the thickness of hot melt adhesive layer are cooled down by chill roll
For 13 μm；
Step e, finished product winding：The pre-coating film machined 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 two
Exemplified by matt Biaxially oriented polypropylene (BOPP) Antistatic type by width for 1400mm viscosifies scratch resistance pre-coating film,
Pre-coating film according to the utility model embodiment is described in detail.
As shown in figure 1, matt Biaxially oriented polypropylene (BOPP) Antistatic type viscosifies scratch resistance pre-coating film by base material 01, anti-
Electrostatic functional layer 02, hot melt adhesive layer 03 and adhesion promoting layer 04 form, base material 01, Antistatic type functional layer 02, hot melt adhesive layer 03
It is identical with the width of adhesion promoting layer 04.
Wherein base material 01 is 15 μm using matt bidirectional stretching polypropylene film (BOPP), width 1420mm, thickness；It is anti-
For electrostatic functional layer 02 using the solvent-borne type scratch-resistant coating of addition type antistatic additive, antistatic additive is quaternaries cation type
Antistatic additive, the solid content of its coating fluid is 30~35%, and the width of coating is 1420mm, and thickness is 0.001 μm；Hot melt adhesive layer
03 uses ethene-vinyl acetate (EVA) copolymer, and compound width is 1420mm, and thickness is 13 μm.Adhesion promoting layer 04 uses to be contained admittedly
Measure 5%~50% polyaminoester emulsion and solids content 0.1%~10% auxiliary element mixture, auxiliary element bag
Include levelling agent, adhesion promoters, the thickness of adhesion promoting layer is 0.3 μm, the coating dry weight of adhesion promoting layer 04 0.05~0.5g/ ㎡ it
Between.The thickness for manufacturing the pre-coating film completed is about 31~33 μm.
According to the utility model, matt Biaxially oriented polypropylene (BOPP) Antistatic type thickening scratch resistance of embodiment two is pre-
The production method of film, comprises the following steps：
Step a, substrate layer unreel：It is that 15 μm of matt bidirectional stretching polypropylene films (BOPP) are placed in unreeling machine by thickness
On unreeled by air-expanding shaft, spread out；
Step b, the sided corona treatment of base material：Matt bidirectional stretching polypropylene film (BOPP) base material of expansion is sent into corona
Processor, sided corona treatment is carried out to the one side of its functional layer to be coated, so that its surface tension >=38dyne；
Step c, it is coated with antistatic scratch resistance functional layer：The biaxial tension being corona treated come out from corona processor gathers
Polypropylene film (BOPP) base material, into the first applicator roll, the first applicator roll is antistatic by the addition being placed in the first coating pan
The solvent-borne type scratch-resistant coating of agent is coated on the corona treated surface of base material, makes Antistatic type scratch resistance functional layer and two-way drawing
Polypropylene stretched film (BOPP) base material combines, and the film with reference to after enters drying channel and carries out drying and processing, anti-quiet after drying
The thickness of electric type functional layer 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, ozone is produced by ozone generator and passes 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 with being cast to the PUR at multi-procedure position
Extruded and combined by nip roller, form composite membrane, then (temperature is 20 DEG C) processing, the thickness of hot melt adhesive layer are cooled down by chill roll
For 13 μm；
Step e, it is coated with adhesion promoting layer：The film sent from chill roll enters the second applicator roll, and the second applicator roll will be put
Put the auxiliary element 0.1%~10% of polyaminoester emulsion and content of solid content in the second coating pan 5%~50%
On the hot melt adhesive layer surface of mixture coated thin film, it is set to be combined with film, the film then in conjunction with after enters into drying channel
Row drying and processing, the thickness of the adhesion promoting layer after drying is 0.3 μm, and the coating dry weight of adhesion promoting layer increases between 0.05~0.5g/ ㎡
Auxiliary element in adhesion coating includes levelling agent, adhesion promoters；
Step f, finished product is wound：The pre-coating film machined 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.
Following table is the performance test data of above-mentioned comparative example and embodiment.
Table one
| Comparative example | Embodiment one | Embodiment two | |
| Sheet resistance (Ω) | >1013 | 108~9 | 109 |
| Surface tension (dyne) | 36 | 54 | 54 |
| Peel off force value (N/15mm) | 6.2 | 6.3 | 7.1 film breakage |
| Sheet resistance (Ω) after aging | >1013 | 109 | 109 |
| Surface tension (dyne) after aging | 36 | 50 | 50 |
| Force value (N/15mm) is peeled off after aging | 4.9 | 4.8 | 4.5 film breakage |
According to the pre-coating film of the utility model embodiment, by being coated with anti-static function layer, the table on top layer in base material side
Surface resistance is less than 1010Ω, electrostatic field is not more than ± 3kv, and antistatic property is not influenceed by ambient temperature and humidity, and persistence is no less than
6 months.Meanwhile anti-static function layer at 120 DEG C without adhesion phenomenon, can tolerate hydrothermal aging, extrusion Compound Machining, overlay film etc.
Process, no precipitation, stable performance.In addition, surface tension is not less than 42dyne, printing packaging process after gold stamping grade can be met.It is right
Than existing product, this pre-coating film has the advantages that simple in construction, multiple functional, effect is lasting.
This is not limited to, any change or replacement expected without creative work, should all be covered in the utility model
Protection domain within.Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (2)
1. a kind of Antistatic type pre-coating film, is included successively from top to down：
One anti-static function layer (02)；
One base material (01)；
One hot melt adhesive layer (03)；
One adhesion promoting layer (04) or a digital layer (05), the thickness of the Antistatic type functional layer (02) is 0.001~5 μm, described
The thickness of base material (01) be 10~30 μm, the thickness of described hot melt adhesive layer (03) is 10~35 μm, the adhesion promoting layer (04)
Or the thickness of digital layer (05) is 0.05~0.3 μm, the coating dry weight of described adhesion promoting layer (04) or digital layer (05) is 0.05
Between~0.5g/ ㎡.
2. Antistatic type pre-coating film according to claim 1, it is characterised in that
Described anti-static function layer (02) is Antistatic type anti-scratch layer or soft tactile layer；
Described base material (01) is biaxially oriented polyester film or BON biaxially oriented nylon film or bidirectional stretching polypropylene film；
Described hot melt adhesive layer (03) is ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid
One of which in copolymer, ethylene-methyl acrylate copolymer and low density polyethylene (LDPE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285527.2U CN206692592U (en) | 2017-03-22 | 2017-03-22 | One kind is packed for Antistatic type pre-coating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285527.2U CN206692592U (en) | 2017-03-22 | 2017-03-22 | One kind is packed for Antistatic type pre-coating film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206692592U true CN206692592U (en) | 2017-12-01 |
Family
ID=60442871
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|---|---|---|---|
| CN201720285527.2U Active CN206692592U (en) | 2017-03-22 | 2017-03-22 | One kind is packed for Antistatic type pre-coating film |
Country Status (1)
| Country | Link |
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| CN (1) | CN206692592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774473A (en) * | 2018-06-19 | 2018-11-09 | 河北乐成新材料科技有限公司 | A kind of Antistatic type pre-coating film and preparation method thereof |
| CN109306234A (en) * | 2018-09-05 | 2019-02-05 | 纳琳威纳米科技南通有限公司 | A kind of antistatic coated film of long-acting type and preparation method thereof |
| CN109651971A (en) * | 2019-01-31 | 2019-04-19 | 开平市齐裕胶粘制品科技有限公司 | A kind of wear-resisting matt sense of touch tacky film and preparation method thereof |
-
2017
- 2017-03-22 CN CN201720285527.2U patent/CN206692592U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774473A (en) * | 2018-06-19 | 2018-11-09 | 河北乐成新材料科技有限公司 | A kind of Antistatic type pre-coating film and preparation method thereof |
| CN109306234A (en) * | 2018-09-05 | 2019-02-05 | 纳琳威纳米科技南通有限公司 | A kind of antistatic coated film of long-acting type and preparation method thereof |
| CN109651971A (en) * | 2019-01-31 | 2019-04-19 | 开平市齐裕胶粘制品科技有限公司 | A kind of wear-resisting matt sense of touch tacky film and preparation method thereof |
| CN109651971B (en) * | 2019-01-31 | 2023-04-18 | 开平市齐裕胶粘制品科技有限公司 | Wear-resistant matte touch adhesive film and preparation method thereof |
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Effective date of registration: 20190214 Address after: 273200 Shengcheng Road, Sishui Economic Development Zone, Jining City, Shandong Province Patentee after: Shandong Kangzheng New Materials Co., Ltd. Address before: 102299 No. 26 Zhenxing Road, Changping District Science and Technology Park, Beijing, 1 Building and 2 Floors Patentee before: BEIJING KANGDEXIN FUNCTION MATERIAL CO., LTD. |