CN106113801B - Fixed point coating aluminum foil-plastic-aluminum foil and its preparation process - Google Patents
Fixed point coating aluminum foil-plastic-aluminum foil and its preparation process Download PDFInfo
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- CN106113801B CN106113801B CN201610408676.3A CN201610408676A CN106113801B CN 106113801 B CN106113801 B CN 106113801B CN 201610408676 A CN201610408676 A CN 201610408676A CN 106113801 B CN106113801 B CN 106113801B
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- aluminum foil
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- glue
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 67
- 238000000576 coating method Methods 0.000 title claims abstract description 60
- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000011888 foil Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000005030 aluminium foil Substances 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 229920000728 polyester Polymers 0.000 claims abstract description 14
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 14
- 239000004760 aramid Substances 0.000 claims abstract description 13
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 13
- 238000007639 printing Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004411 aluminium Substances 0.000 abstract description 6
- 239000012855 volatile organic compound Substances 0.000 abstract description 5
- 238000004026 adhesive bonding Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 34
- 238000007789 sealing Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 244000185238 Lophostemon confertus Species 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 235000013234 Rhus glabra Nutrition 0.000 description 1
- 235000013831 Rhus typhina Nutrition 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- BTMVHUNTONAYDX-UHFFFAOYSA-N butyl propionate Chemical compound CCCCOC(=O)CC BTMVHUNTONAYDX-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/095—Layered products comprising a layer of metal comprising metal 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 comprising polyurethanes
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/09—Layered products comprising a layer of metal comprising metal 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 comprising polyesters
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- 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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- 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
- B05D2320/00—Organic additives
-
- 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
- B05D2502/00—Acrylic polymers
-
- 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
- B05D2503/00—Polyurethanes
-
- 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
- B05D2506/00—Halogenated polymers
- B05D2506/20—Chlorinated polymers
-
- 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
- B05D2508/00—Polyesters
-
- 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
- B05D2602/00—Organic fillers
-
- 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
- B32B2307/70—Other properties
- B32B2307/738—Thermoformability
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
This case is related to a kind of fixed point coating aluminum foil-plastic-aluminum foil and its preparation process, includes：There is opposite first surface and second surface, the first surface to be equipped with adhesive for polyurethane layer for aluminium foil layer, the aluminium foil layer, which is equipped with aramid layer or polyester layer；The second surface is equipped with the VC glue-lines of fixed point coating；Wherein, it is additionally provided with ink printing block between the adhesive for polyurethane layer and the aramid layer or polyester layer.This case is using fixed point coating method, the coating weight of VC glue can be reduced within original 40%, save 60% or more gluing cost, VOCs discharge capacitys decrease 60% simultaneously, the feature of environmental protection in tropical aluminium production greatly improved in energy consumption while reduction, it plays the role of energy saving, this method has the characteristics that simple, implementation cost is low, shelf effect is good.
Description
Technical field
The present invention relates to drug packing material field, more particularly to a kind of fixed point coating aluminum foil-plastic-aluminum foil and its preparation work
Skill.
Background technology
Aluminum foil-plastic-aluminum foil foil is a kind of combination of thermoforming plastic bubble-cap and cold forming clad aluminum, and blister package keeps bubble
Molded dimension is constant, and the slightly wider hot belt type bubble-cap composite membrane so as to after cold forming of the area around bubble-cap can be steeped with thermoforming
In cover sealing, compensate for the aluminum-plastic packaged middle light transmission of tradition, water preventing ability difference problem, now just gradually received by domestic manufacturer.
The composition of aluminum foil-plastic-aluminum foil (also referred to as aluminum-plastic-aluminum) is polyamide or polyester/aluminium/adhesive, it is in certain temperature
It is specifically for the traditional plastic-aluminum packet of enhancing by special equipment a kind of sheet material made of these types of Material cladding under degree and pressure
The barrier property of dress and a kind of packaged form to grow up only need to add an aluminium again behind in polyvinyl chloride (PVC) bubble-cap stiff sheet
The lid of modeling composite membrane is formed aluminum foil-plastic-aluminum foil packaging..
In the prior art, the usual structure of tropical bubble-cap aluminium is polyamide PA25/ aluminium foil AL60/ acrylic acid VC glue,
Middle VC glue uses aluminium foil surface full version coating method, but actually VC glue only plays the role of heat sealing in heat-seal land, at other
The VC glue of position coating is not all used effectively.The working concentration of solvent type heat-seal coating is usually 25%, and butt coating weight is
3.0g/m2, it is computed every one square metre of coating, then the organic solvent amount that discharged into air is 2.25g.These are discharged into greatly
Organic solvent (abbreviation VOCs) in gas on the one hand can cause serious atmosphere light chemical combination to pollute, cause greenhouse effects, cause pole
Big environmental hazard, makes crop production reduction, is entered in human body by breathing, is damaged to the liver and nervous system of human body,
Endanger the health of enterprise direct labor and surrounding population；On the other hand lead to the significant wastage of volatile organic compounds raw material.
Using fixed point coating method, i.e., only the position sealed is being needed just to be coated with VC glue, remaining position is not coated with VC glue, this
The coating weight of VC glue can be reduced within original 40% by sample, that is, realize 60% or more gluing cost savings, simultaneously
VOCs discharge capacitys decrease 60%, to which the feature of environmental protection in tropical aluminium production greatly improved.But VC glue in the prior art
Heat seal strength dramatic decrease, the stability of this set point coating method can bring no small challenge over time.
Invention content
In view of the deficienciess of the prior art, this case provides a kind of fixed point coating aluminum foil-plastic-aluminum foil and its prepares work
Skill.
To achieve the above object, this case is achieved through the following technical solutions：
A kind of fixed point coating aluminum foil-plastic-aluminum foil comprising have：Aluminium foil layer, the aluminium foil layer have opposite first surface and
Second surface, the first surface are equipped with adhesive for polyurethane layer, which is equipped with aramid layer or poly-
Ester layer；The second surface is equipped with the VC glue-lines of fixed point coating；Wherein, in the adhesive for polyurethane layer and the aramid layer
Or ink printing block is additionally provided between polyester layer.
Preferably, the fixed point is coated with aluminum foil-plastic-aluminum foil, wherein the thickness of the aramid layer or polyester layer is
15-40μm。
Preferably, the fixed point is coated with aluminum foil-plastic-aluminum foil, wherein the thickness of the aluminium foil layer is 30-100 μm.
Preferably, the fixed point is coated with aluminum foil-plastic-aluminum foil, wherein and the coating thickness of the VC glue-lines is 4-8 μm,
Coating width is 8-12mm.
Preferably, the fixed point is coated with aluminum foil-plastic-aluminum foil, wherein the VC glue-lines include resin base material, should
Resin base material is selected from acrylic resin, vinyl chloride-vinyl acetate resin, polyester resin or combinations thereof.
Preferably, the fixed point is coated with aluminum foil-plastic-aluminum foil, wherein the VC glue-lines further include having modifying agent, institute
Stating modifying agent includes：
Preferably, the fixed point is coated with aluminum foil-plastic-aluminum foil, wherein in parts by weight, the resin base material: described
Modifying agent=100: 10-20.
Preferably, the fixed point is coated with aluminum foil-plastic-aluminum foil, wherein the ethylene-ethyl methacrylate copolymerization
In object, ethylene contents 31-33wt%, surplus is ethyl methacrylate.
A kind of preparation process of fixed point coating aluminum foil-plastic-aluminum foil as described above comprising：
The ink printing block is printed on the aramid layer or polyester layer；
Adhesive for polyurethane layer paving is invested on the aluminium foil layer, and carries out with the ink printing block be bonded, is added
Heat cure, wherein the coating weight of the adhesive for polyurethane layer is 0.2-9.9g/m2；
The VC glue-lines are coated on by way of pinpointing and being coated on the aluminium foil layer.
Preferably, the preparation process of the fixed point coating aluminum foil-plastic-aluminum foil, wherein the fixed point of the VC glue-lines applies
Cloth technique is：It pneumatically unreels and version → precision coating → predrying → floated drying → gap is received automatically → manually to version →
Volume；
Wherein, the version molded dimension of coating mesh roller used can be detected and identify when accurate coating；
The edge of the carved region and non-engraved area of the coating mesh roller is respectively set to waveform, and is spaced,
To cope with site expansion；
The VC glue-lines before coating, are configured to the liquid of concentration >=40wt%.
The beneficial effects of the invention are as follows：This case is only needing the position sealed to be just coated with VC using fixed point coating method
Glue, remaining position are not coated with VC glue, can thus be reduced to the coating weight of VC glue within original 40%, that is, realize 60% with
On gluing cost savings, while VOCs discharge capacitys decrease 60%, and while energy consumption reduces and tropical aluminium greatly improved
The feature of environmental protection in production, plays the role of energy saving, and this method has the characteristics that simple, implementation cost is low, shelf effect is good；
Pass through the improvement to VC glue so that it, which has, more stablizes and lasting heat seal strength.
Description of the drawings
Fig. 1 is the structural schematic diagram of fixed point coating aluminum foil-plastic-aluminum foil.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in Figure 1, the fixed point coating aluminum foil-plastic-aluminum foil of an embodiment is listed in this case comprising have：Aluminium foil layer 1, should
There is aluminium foil layer 1 opposite first surface and second surface, first surface to be equipped with adhesive for polyurethane layer 2, the polyurethane gluing
2 surface of oxidant layer is equipped with aramid layer 3 or polyester layer 3；Second surface is equipped with the VC glue-lines 4 of fixed point coating；Wherein, in polyurethane adhesive
Ink printing block 5 is additionally provided between adhensive layer and aramid layer or polyester layer.The effect of ink printing block 5 is conducive in powder charge ring
Section carries out photoelectric tracing.
In the above-described embodiments, the thickness of aramid layer 3 or polyester layer 3 is preferably 15-40 μm.
In the above-described embodiments, the thickness of aluminium foil layer 1 is preferably 30-100 μm.
In the above-described embodiments, the coating thickness of VC glue-lines 4 is 4-8 μm, coating width 8-12mm.
In the above-described embodiments, VC glue-lines 4 include resin base material, which is selected from acrylic resin, chlorine vinegar tree
Fat, polyester resin or combinations thereof.
As another embodiment of this case, wherein 4 further include having modifying agent in VC glue-lines, which includes：
The effect of modifying agent is the problem of heat seal strength for slowing down VC glue over time and generating drastically declines, to improve
The stability and persistence of VC glue heat seal strengths so that, will not subtracting because of spreading area even with the mode of fixed point coating
Heat seal strength that is small and influencing VC glue.Above-mentioned formula as a whole, answer severely limited by respective ratio.But it studies
It was found that influence very little of the molecular weight of the polymer in above-mentioned formula to its performance, it is therefore not necessary to each polymer in formula
Molecular weight defines.Carboxylic styrene butadiene latex and polyethylene glycol are mainly used for improving the adhesion strength of VC glue at high temperature, and
To the antioxygen property of air；Isopropyl acid N-butyl is mainly used for adjusting the rate that VC glue is heat-sealed to solidification from high temperature, meanwhile, it is different
Another effect of n-butyl propionate is shrinkage stress when reducing VC gellings admittedly, to improve the stability of heat-sealing；Ethylene-methyl
The effect of ethyl acrylate copolymer is to reduce the deformation amplitude of VC glue at high temperature, while increasing the viscosity of VC glue at high temperature
Coefficient, to reduce its mobility, so that VC glue can still keep higher heat seal strength under smaller spreading area.
In addition to resin base material, modifying agent in VC glue, conventional dispersant or surfactant, but this may preferably further comprise
A little dispersants or surfactant need to be only that adhesive field is common, therefore this case no longer limits herein.
In the above-described embodiments, resin base material with modifying agent that is, in parts by weight set by the preferred adding proportion containing there are one
Aliphatic radical material: modifying agent=100: 10-20.
In the above-described embodiments, in ethylene-ethyl methacrylate copolymer, ethylene contents are preferably 31-33wt%, remaining
Amount is ethyl methacrylate.In order to ensure that the effect of ethylene-ethyl methacrylate copolymer is to reduce deformation amplitude and increasing
Add viscosity coefficient, needs to be defined ethylene contents therein.
The preparation process of fixed point coating aluminum foil-plastic-aluminum foil as described above comprising：
The off-set oil ink print block on aramid layer or polyester layer；
Adhesive for polyurethane layer paving is invested on aluminium foil layer, and carries out with ink printing block be bonded, is heating and curing, wherein poly-
The coating weight of urethane adhesive layer is 0.2-9.9g/m2；
VC glue-lines are coated on by way of pinpointing and being coated on aluminium foil layer.
In the above-described embodiments, the fixed point coating process of VC glue-lines is：Pneumatically unreel → manually to version → automatically to version →
Accurate coating → predrying → floated drying → gap winding；
Wherein, the version molded dimension of coating mesh roller used can be detected and identify when accurate coating；
The edge of the carved region and non-engraved area that are coated with mesh roller is respectively set to waveform, and is spaced, to answer
Site is expanded；
VC glue-lines before coating, are configured to the liquid of concentration >=40wt%.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
1. a kind of fixed point is coated with aluminum foil-plastic-aluminum foil, which is characterized in that include：Aluminium foil layer, the aluminium foil layer have opposite the
One surface and second surface, the first surface are equipped with adhesive for polyurethane layer, which is equipped with polyamides
Amine layer or polyester layer；The second surface is equipped with the VC glue-lines of fixed point coating；Wherein, the adhesive for polyurethane layer with it is described
Ink printing block is additionally provided between aramid layer or polyester layer；
The VC glue-lines include resin base material, which is selected from acrylic resin, vinyl chloride-vinyl acetate resin, polyester resin or its group
It closes；
The VC glue-lines further include having modifying agent, and the modifying agent includes：
The sum of above-mentioned each component is 100%.
2. fixed point coating aluminum foil-plastic-aluminum foil as described in claim 1, which is characterized in that the aramid layer or polyester layer
Thickness is 15-40 μm.
3. fixed point coating aluminum foil-plastic-aluminum foil as described in claim 1, which is characterized in that the thickness of the aluminium foil layer is 30-
100μm。
4. fixed point coating aluminum foil-plastic-aluminum foil as described in claim 1, which is characterized in that the coating thickness of the VC glue-lines is
4-8 μm, coating width 8-12mm.
5. fixed point coating aluminum foil-plastic-aluminum foil as described in claim 1, which is characterized in that in parts by weight, the resin base
Material: modifying agent=100: 10-20.
6. fixed point coating aluminum foil-plastic-aluminum foil as described in claim 1, which is characterized in that the ethylene-methyl methacrylate second
In ester copolymer, ethylene contents 31-33wt%, surplus is ethyl methacrylate.
7. a kind of preparation process of fixed point coating aluminum foil-plastic-aluminum foil as described in claim 1, which is characterized in that including：
The ink printing block is printed on the aramid layer or polyester layer；
Adhesive for polyurethane layer paving is invested on the aluminium foil layer, and carries out with the ink printing block be bonded, heating is solid
Change, wherein the coating weight of the adhesive for polyurethane layer is 0.2-9.9g/m2；
The VC glue-lines are coated on by way of pinpointing and being coated on the aluminium foil layer.
8. the preparation process of fixed point coating aluminum foil-plastic-aluminum foil as claimed in claim 7, which is characterized in that the VC glue-lines
Pinpointing coating process is：Pneumatically unreel → manually to version → automatically to version → precision coating → predrying → floated drying →
Gap is wound；
Wherein, the version molded dimension of coating mesh roller used can be detected and identify when accurate coating；
The edge of the carved region and non-engraved area of the coating mesh roller is respectively set to waveform, and is spaced, to answer
Site is expanded；
The VC glue-lines before coating, are configured to the liquid of concentration >=40wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408676.3A CN106113801B (en) | 2016-06-12 | 2016-06-12 | Fixed point coating aluminum foil-plastic-aluminum foil and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408676.3A CN106113801B (en) | 2016-06-12 | 2016-06-12 | Fixed point coating aluminum foil-plastic-aluminum foil and its preparation process |
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| Publication Number | Publication Date |
|---|---|
| CN106113801A CN106113801A (en) | 2016-11-16 |
| CN106113801B true CN106113801B (en) | 2018-07-24 |
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| CN201610408676.3A Active CN106113801B (en) | 2016-06-12 | 2016-06-12 | Fixed point coating aluminum foil-plastic-aluminum foil and its preparation process |
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| CN109435390B (en) * | 2018-10-30 | 2020-12-25 | 上海海顺新型药用包装材料股份有限公司 | Release film for circuit board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201080319Y (en) * | 2007-09-29 | 2008-07-02 | 上海海顺包装材料有限公司 | High-sealing heat belt type bubble cap aluminum |
| CN202321118U (en) * | 2011-09-30 | 2012-07-11 | 江苏申凯包装有限公司 | Easy-to-tear cup cover film |
| CN103848093A (en) * | 2012-12-03 | 2014-06-11 | 汕头方大印刷包装科技有限公司 | Packaging film of bubble cap |
| CN104859290A (en) * | 2015-05-14 | 2015-08-26 | 江阴市中南塑料彩印有限公司 | Device and method for coating OPP film with heat-seal glue in fixed point mode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8399110B2 (en) * | 2008-05-29 | 2013-03-19 | Corning Incorporated | Adhesive, hermetic oxide films for metal fluoride optics and method of making same |
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2016
- 2016-06-12 CN CN201610408676.3A patent/CN106113801B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201080319Y (en) * | 2007-09-29 | 2008-07-02 | 上海海顺包装材料有限公司 | High-sealing heat belt type bubble cap aluminum |
| CN202321118U (en) * | 2011-09-30 | 2012-07-11 | 江苏申凯包装有限公司 | Easy-to-tear cup cover film |
| CN103848093A (en) * | 2012-12-03 | 2014-06-11 | 汕头方大印刷包装科技有限公司 | Packaging film of bubble cap |
| CN104859290A (en) * | 2015-05-14 | 2015-08-26 | 江阴市中南塑料彩印有限公司 | Device and method for coating OPP film with heat-seal glue in fixed point mode |
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| CN106113801A (en) | 2016-11-16 |
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