CN106380960A - Easy-tear cover aluminium foil for food package and preparation technology of easy-tear cover aluminium foil - Google Patents
Easy-tear cover aluminium foil for food package and preparation technology of easy-tear cover aluminium foil Download PDFInfo
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- CN106380960A CN106380960A CN201610758868.7A CN201610758868A CN106380960A CN 106380960 A CN106380960 A CN 106380960A CN 201610758868 A CN201610758868 A CN 201610758868A CN 106380960 A CN106380960 A CN 106380960A
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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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- 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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
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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
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2301/00—Inorganic additives or organic salts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2320/00—Organic additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
- B05D2502/005—Acrylic polymers modified
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2508/00—Polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention belongs to the technical field of a packaging material, and relates to an easy-tear cover aluminium foil for food package and preparation technology of the easy-tear cover aluminium foil. The easy-tear cover aluminium foil comprises an aluminium foil layer, a first functional layer arranged on an upper surface of the aluminium foil layer, a second functional layer arranged on a lower surface of the aluminium foil layer, and a third functional layer arranged on a lower surface of the second functional layer. The second functional layer is coated with a coating liquid I, the first functional layer is coated with a coating liquid III, and the main component of the coating liquid I is an acrylic resin. The third functional layer is coated with a coating liquid II, and the main component of the coating liquid II is a polyester resin. The technology allows the function of each functional layer to be achieved according to the characteristics of each functional layer. The provided easy-tear cover aluminium foil is good in leakproofness, firm to connect, smooth to peel, and resistant to corrosion, and the use safety is ensured.
Description
Technical field
The invention belongs to field of packaging material, more particularly, to a kind of food packaging Easy tearing lid aluminium foil and its preparation work
Skill.
Background technology
More the encapsulation of food containers mouth, at present, adopt tinplate decorative cover to coordinate the Easy tearing lid of aluminium foil film, have preferable resistance
It is widely used every protection and easy unlatching feature.Such as Patent No. CN105459539A is in disclosed on 04 06th, 2016
A kind of Easy tearing lid aluminium foil, the protective layer including barrier layer, being arranged on above described barrier layer and being arranged under described barrier layer
The hot sealing layer in face, described protective layer is by the mixing of acrylic resin, ethyl acetate, polyamide and organosilicon slipping agent
Become, described barrier layer is by the mixing of acrylic resin, vistanex, ethyl acetate, MDI type polyurethane and ethyl acetate
Become.There is good sealing effect, air tight, no leakage, after unlatching, decorative cover does not remain the feature of binding liquid.But this Easy tearing lid aluminum
When paper tinsel is used for containing throne container cap that Pickles etc. have acid ingredient, aluminium foil can be corroded, impact food safety.
The Chinese invention patent that patent publication No. is CN 101665174A, publication date is 2010.03.10 discloses one kind
Hot melt adhesive aluminum foil sealing film and its manufacture method, sealed membrane includes protective layer, barrier layer, basic unit and hot sealing layer successively；Described resistance
Interlayer is aluminium foil layer；Described basic unit is polyethylene film layer or casting polypropylene film layer, although wherein disclosing basic unit, its work
With being to effectively increase overall intensity and fastness by using polyethylene film layer or casting polypropylene film layer as basic unit, solid
Durable and barrier property is preferable.Or corrosion resistant problem cannot be solved, and preparation method causes the uniformity of coating poor, shadow
Ring the quality of Easy tearing lid aluminium foil.
Content of the invention
It is an object of the invention to provide a kind of food packaging Easy tearing lid aluminium foil, solve what existing Easy tearing lid aluminium foil existed
The problems referred to above, obtained Easy tearing lid aluminium foil can corrosion-resistant it is ensured that using safety, peel off smooth, noresidue.
It is a further object of the present invention to provide a kind of preparation technology of food packaging Easy tearing lid aluminium foil, for each function
The characteristic of layer, realizes the function of each functional layer, whole method difficulty is little.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of food packaging Easy tearing lid aluminium foil, the first functional layer including aluminium foil layer, being arranged on described aluminium foil layer upper surface, sets
Put in the second functional layer of described aluminium foil layer lower surface and be arranged on the 3rd functional layer of described second functional layer lower surface, described
Second functional layer is formed using masking liquid one coating, and described first functional layer is formed using masking liquid three coating, the master of described coating one
Composition is acrylic resin, and described 3rd functional layer is formed using masking liquid two coating, and the main constituent of described masking liquid two is polyester tree
Fat.
Technique scheme, by arranging the second functional layer, plays the protection uncorroded effect of aluminium foil, can be used for containing
There is corrosive food such as acidity, improve food packaging safety.Acrylic resin in this programme is as the master of the second functional layer
Composition, can play corrosion-resisting function, and good with the attachment force of aluminium foil, will not fall off, do not affect Easy tearing lid easily tears effect.
Preferably, the thickness of described second functional layer is 0.03-0.1mm.
Preferably, the thickness of described second function and described 3rd functional layer is than for 1:1-2.
Preferably, described aluminium foil layer is soft state aluminium foil layer, thickness is 0.08-0.1mm.
The thickness of the second functional layer not only determines etch-proof effect, has an effect on Easy tearing lid sealing effectiveness and peels off effect
Really, thickness cannot realize etch-proof effect less than 0.03mm, more than 0.1mm, leads to peeling effect poor, the 3rd functional layer can be residual
Stay vessel port.
Preferably, described masking liquid one includes component acryl acid resin 65-85 part of following weight portion, solvent one 35-45
Part, filler one 2-10 part, additive one 2-5 part.The masking liquid one obtaining according to this programme formula, coats the first function of obtaining
Layer, more preferably, anticorrosion ability is good for its forming degree, is suitable for the attachment force of aluminium foil and the 3rd functional layer, peels off smooth, noresidue.
Preferably, the filler one in described masking liquid one is food stage montmorillonite, starch, nano-titanium oxide and Calcium Carbonate
Mixture.
Filler in masking liquid one selects filler commonly used in the prior art, Pulvis Talci, Calcium Carbonate, starch etc., can reach
Preferably antiseptic effect, but, the second functional layer is poor with the attachment force of aluminium foil, when tearing lid, is easily caused the second functional layer and the
Three functional layers remain in vessel port, the filler in this programme, not only can ensure good antiseptic effect, and can increase
The attachment force of two functional layers and aluminium foil, the especially addition of montmorillonite so that the stripping of Easy tearing lid is more smooth, noresidue.
Further preferably, the mixing quality of food stage montmorillonite, nano-titanium oxide and Calcium Carbonate is than for 3-5:1:0.5-
1.5.
Preferably, described masking liquid two include component polyester resin 60-75 part of following weight portion, solvent two 23-35 part,
Filler two 3-8 part, additive two 1-5 part.The masking liquid two obtaining according to this programme formula, coats the second functional layer obtaining, its
More preferably, heat-sealing effect is good for forming degree, is suitable for the attachment force of the second functional layer, peels off smooth, noresidue.
Preferably, described filler two is shitosan.
Preferably, described additive one is the mixture of zinc oxide and ferrum oxide.
Preferably, described polyester resin is the modified polyester resin being modified by epoxy grafting.
Preferably, the percent grafting of described modified polyester resin is 12-18%.
Preferably, described acrylic resin adopts epoxy modified acrylic resin.
Preferably, acrylic resin is one of methyl methacrylate, butyl acrylate, ethyl acrylate or several
Kind.
Preferably, the preparation method of epoxy modified acrylic resin is as follows：（1）Get the raw materials ready：
Mix monomer：Methyl methacrylate, butyl acrylate, ethyl acrylate, acrylic acid, styrene；Coupling agent, asphalt mixtures modified by epoxy resin
Fat, dimethylbenzene, benzoyl peroxide；（2）Dimethylbenzene is warming up to 50 DEG C, adds epoxy resin, stir in intensification, to epoxy
Resin all dissolves, and obtains just mixed liquid；（3）The mix monomer that part is prepared in advance adds in first mixed liquid, adds coupling agent,
Mix, obtain two mixed liquid, benzoyl peroxide is dissolved in remaining mix monomer, at the uniform velocity instill in two mixed liquid, finally protect
Temperature, discharging, are obtained acrylic resin modified.
By epoxy resin, acrylic resin is modified, modified resin is used for the second functional layer main constituent, prevents
Rotten effect is more preferably, more suitable with the attachment force of aluminium foil layer and the 3rd functional layer, peels off more smooth, is not in residual.
The preparation technology of above-mentioned food packaging Easy tearing lid aluminium foil, comprises the steps：
（1）Dispensing：Aluminium foil, coating one, coating two, coating three：
（2）Tension force is applied to aluminium foil, controls tension force in 6-8kg；
（3）It is coated with the upper surface of aluminium foil with coating three, forms the first functional layer, coating weight is 2.0-4.0g/m2；
（4）Aluminium foil first functional layer is carried out dry drying；
（5）Aluminium foil temperature is reduced by cold wind, chill roll；
（6）Coat one in the lower surface coating of aluminium foil, be dried, form the second functional layer, coating weight is 2.0-4.0g/m2；
（7）Second functional layer of aluminium foil is coated with masking liquid two, forms the 3rd functional layer, coating weight is 7.0-8.0g/m2, to aluminum
Paper tinsel is dried；
（8）To the 3rd functional layer natural cooling, rolling after cooling.
Preferably, when the second functional layer drying is to masking liquid one just immobilising degree, masking liquid two in coating, favorably
It is connected more firm between the second functional layer and the 3rd functional layer, during stripping, operation is more smooth, is not in residual.
Preferably, it is ensured that the temperature of the second functional layer is 45-60 DEG C during coating masking liquid two.
In such a temperature range, it is coated with masking liquid two, one can accelerate the molding of the 3rd functional layer, and two is favourable
Connecting it is ensured that attachment force between the two between the second functional layer and the 3rd functional layer, container during stripping, will not be remained in
Mouthful.
Preferably, in step（7）In drying carried out to aluminium foil adopt oven drying at low temperature, drying temperature is 85-105 DEG C, mistake
High-temperature is dried, and can affect the attachment force between each layer and aluminium foil and between layer, causes to peel off difficulty.
By implementing technique scheme, the Easy tearing lid aluminium foil that the present invention provides, good airproof performance, it is connected firmly, peel off suitable
Freely, can corrosion-resistant it is ensured that using safety.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1：
A kind of food packaging Easy tearing lid aluminium foil, the first functional layer including aluminium foil layer, being arranged on described aluminium foil layer upper surface, sets
Put in the second functional layer of described aluminium foil layer lower surface and be arranged on the 3rd functional layer of described second functional layer lower surface, described
Second functional layer is formed using masking liquid one coating, and the main constituent of described coating one is acrylic resin, and described 3rd functional layer is adopted
Formed with masking liquid two coating, the main constituent of described masking liquid two is polyester resin.First functional layer, in outside, plays outer protection and makees
With the 3rd functional layer, in inner side, plays the effect with vessel port heat-sealing, and the second functional layer is arranged on aluminium foil layer and the 3rd functional layer
Between, jointly protect aluminium foil layer with the 3rd functional layer, prevent aluminium foil layer to be corroded.
Embodiment 2：
A kind of food packaging Easy tearing lid aluminium foil, the first functional layer including aluminium foil layer, being arranged on described aluminium foil layer upper surface, sets
Put in the second functional layer of described aluminium foil layer lower surface and be arranged on the 3rd functional layer of described second functional layer lower surface, described
Second functional layer is formed using masking liquid one coating.Aluminium foil layer is soft state aluminium foil layer, and thickness is 0.1mm, the thickness of the second functional layer
For 0.03mm, the thickness of the second function and described 3rd functional layer is than for 1:1, the thickness of the 3rd functional layer is 0.03mm.
The preparation technology of above-mentioned Easy tearing lid aluminium foil, comprises the steps：
（1）Dispensing：Aluminium foil, coating one, coating two, coating three：Coating one is identical with the component of coating three；
（2）On aluminium foil, machine unreels, and applies tension force；
（3）It is coated with the upper surface of aluminium foil with coating three, forms the first functional layer, coating weight is 2.0g/m2；
（4）Aluminium foil first functional layer is carried out dry drying；
（5）Aluminium foil temperature is reduced by cold wind, chill roll.
（6）Coat one in the lower surface coating of aluminium foil, be dried, form the second functional layer, coating weight is 4.0g/m2；
（7）Second functional layer of aluminium foil is coated with masking liquid two, forms the 3rd functional layer, coating weight is 8.0g/m2, aluminium foil is entered
Row heat drying is dried；
（8）3rd functional layer is cooled down, rolling after cooling.
Embodiment 3：
A kind of food packaging Easy tearing lid aluminium foil, the first functional layer including aluminium foil layer, being arranged on described aluminium foil layer upper surface, sets
Put in the second functional layer of described aluminium foil layer lower surface and be arranged on the 3rd functional layer of described second functional layer lower surface, described
Second functional layer is formed using masking liquid one coating.Aluminium foil layer is soft state aluminium foil layer, and thickness is 0.15mm, the thickness of the second functional layer
For 0.1mm, the thickness of the second function and described 3rd functional layer is than for 1:2, the thickness of the 3rd functional layer is 0.2mm.
（1）Dispensing：Aluminium foil, coating one, coating two, coating three：Coating one is identical with the component of coating three；
（2）On aluminium foil, machine unreels, and applies tension force；
（3）It is coated with the upper surface of aluminium foil with coating three, forms the first functional layer, coating weight is 3.0g/m2；
（4）Aluminium foil first functional layer is carried out dry drying；
（5）Aluminium foil temperature is reduced by cold wind, chill roll.
（6）Coat one in the lower surface coating of aluminium foil, be dried, form the second functional layer, coating weight is 3.0g/m2；
（7）Second functional layer of aluminium foil is coated with masking liquid two, forms the 3rd functional layer, coating weight is 7.0g/m2, aluminium foil is entered
Row heat drying is dried；
（8）3rd functional layer is cooled down, rolling after cooling.
Embodiment 4：
A kind of food packaging Easy tearing lid aluminium foil, the first functional layer including aluminium foil layer, being arranged on described aluminium foil layer upper surface, sets
Put in the second functional layer of described aluminium foil layer lower surface and be arranged on the 3rd functional layer of described second functional layer lower surface, described
Second functional layer is formed using masking liquid one coating.Aluminium foil layer is soft state aluminium foil layer, and thickness is 0.1mm, the thickness of the second functional layer
For 0.03mm, the thickness of the second function and described 3rd functional layer is than for 1:2, the thickness of the 3rd functional layer is 0.06mm.
Masking liquid one includes 65 parts of the component acryl acid resin of following weight portion, one 45 parts of solvent, one 2 parts of filler, additive
One 5 parts；Acrylic resin is methyl methacrylate, butyl acrylate, the mixture in ethyl acrylate, and filler one is food
The mass ratio of level montmorillonite, nano-titanium oxide and Calcium Carbonate is 3:1:The mixed fillers of 1.5 mixing；Additive one be zinc oxide and
The mixture of ferrum oxide.
Masking liquid two includes 60 parts of the component polyester resin of following weight portion, 2 35 parts of solvent, shitosan（Filler two）3 parts,
25 parts of additive, polyester resin is the modified polyester resin being modified by epoxy grafting, and percent grafting is 12%.
Masking liquid three includes 65 parts of the component acryl acid resin of following weight portion, 35 parts of solvent.
The preparation technology of above-mentioned food packaging Easy tearing lid aluminium foil, comprises the steps：
（1）Dispensing：Aluminium foil, coating one, coating two, coating three：
（2）Tension force is applied to aluminium foil, controls tension force in 6kg；
（3）It is coated with the upper surface of aluminium foil with coating three, forms the first functional layer, coating weight is 4.0g/m2；
（4）Aluminium foil first functional layer is carried out dry drying；
（5）Aluminium foil temperature is reduced by cold wind, chill roll；
（6）Coat one in the lower surface coating of aluminium foil, be dried, form the second functional layer, coating weight is 2.5g/m2；
（7）When the second functional layer drying is to masking liquid one just immobilising degree, masking liquid two in coating, form the 3rd function
Layer, coating weight is 7.0g/m2, oven drying at low temperature is carried out to aluminium foil, drying temperature is 85 DEG C；
（8）To the 3rd functional layer natural cooling, rolling after cooling.
Embodiment 5：
A kind of food packaging Easy tearing lid aluminium foil, the first functional layer including aluminium foil layer, being arranged on described aluminium foil layer upper surface, sets
Put in the second functional layer of described aluminium foil layer lower surface and be arranged on the 3rd functional layer of described second functional layer lower surface, described
Second functional layer is formed using masking liquid one coating.Aluminium foil layer is soft state aluminium foil layer, and thickness is 0.1mm, the thickness of the second functional layer
For 0.03mm, the thickness of the second function and described 3rd functional layer is than for 1:2, the thickness of the 3rd functional layer is 0.06mm.
Masking liquid one includes 85 parts of the component acryl acid resin of following weight portion, one 35 parts of solvent, one 10 parts of filler, additive
One 2 parts；Filler one is the mass ratio of food stage montmorillonite, nano-titanium oxide and Calcium Carbonate is 5:1:The mixed fillers of 0.5 mixing；
Additive one is zinc oxide and ferrum oxide in mass ratio 1:1 mixture.
Masking liquid two includes 75 parts of the component polyester resin of following weight portion, 2 23 parts of solvent, shitosan（Filler two）8 parts,
21 parts of additive, polyester resin is the modified polyester resin being modified by epoxy grafting, and percent grafting is 18%.
The preparation technology of above-mentioned food packaging Easy tearing lid aluminium foil, comprises the steps：
（1）Dispensing：Aluminium foil, coating one, coating two, coating three：
（2）Tension force is applied to aluminium foil, controls tension force in 6kg；
（3）It is coated with the upper surface of aluminium foil with coating three, forms the first functional layer, coating weight is 3.0g/m2；
（4）Aluminium foil first functional layer is carried out dry drying；
（5）Aluminium foil temperature is reduced by cold wind, chill roll；
（6）Coat one in the lower surface coating of aluminium foil, be dried, form the second functional layer, coating weight is 2.5g/m2；
（7）When the second functional layer drying is to masking liquid one just immobilising degree, and ensure that the temperature of the second functional layer is
50 DEG C, masking liquid two in coating, form the 3rd functional layer, coating weight is 8.0g/m2, oven drying at low temperature, drying temperature are carried out to aluminium foil
For 100 DEG C；
（8）To the 3rd functional layer natural cooling, rolling after cooling.
Embodiment 6：
A kind of food packaging Easy tearing lid aluminium foil, the first functional layer including aluminium foil layer, being arranged on described aluminium foil layer upper surface, sets
Put in the second functional layer of described aluminium foil layer lower surface and be arranged on the 3rd functional layer of described second functional layer lower surface, described
Second functional layer is formed using masking liquid one coating.Aluminium foil layer is soft state aluminium foil layer, and thickness is 0.1mm, the thickness of the second functional layer
For 0.03mm, the thickness of the second function and described 3rd functional layer is than for 1:2, the thickness of the 3rd functional layer is 0.06mm.
Masking liquid one includes 80 parts of the component acryl acid resin of following weight portion, one 40 parts of solvent, one 8 parts of filler, additive
One 4 parts；Filler one is the mass ratio of food stage montmorillonite, nano-titanium oxide and Calcium Carbonate is 4:1:The mixed fillers of 1 mixing；Add
Plus agent one is zinc oxide and ferrum oxide in mass ratio 1:2 mixture.
Masking liquid two includes 65 parts of the component polyester resin of following weight portion, 2 30 parts of solvent, shitosan（Filler two）5 parts,
23 parts of additive, polyester resin is the modified polyester resin being modified by epoxy grafting, and percent grafting is 15%.
The preparation method of epoxy modified acrylic resin is as follows：（1）Get the raw materials ready：Mix monomer：Methyl methacrylate, propylene
Acid butyl ester, ethyl acrylate, acrylic acid, styrene；Coupling agent, epoxy resin, dimethylbenzene, benzoyl peroxide；（2）By diformazan
Benzene is warming up to 50 DEG C, adds epoxy resin, stirs in intensification, all dissolve to epoxy resin, obtains just mixed liquid；（3）By portion
Divide the mix monomer preparing in advance to add just and mix in liquid, add coupling agent, mixing, obtain two mixed liquid, by benzoyl peroxide
It is dissolved in remaining mix monomer, at the uniform velocity instill in two mixed liquid, finally insulation, discharging, it is obtained acrylic resin modified.
The preparation technology of above-mentioned food packaging Easy tearing lid aluminium foil, comprises the steps：
（1）Dispensing：Aluminium foil, coating one, coating two, coating three：
（2）Tension force is applied to aluminium foil, controls tension force in 6kg；
（3）It is coated with the upper surface of aluminium foil with coating three, forms the first functional layer, coating weight is 4.0g/m2；
（4）Aluminium foil first functional layer is carried out dry drying；
（5）Aluminium foil temperature is reduced by cold wind, chill roll；
（6）Coat one in the lower surface coating of aluminium foil, be dried, form the second functional layer, coating weight is 2.5g/m2；
（7）When the second functional layer drying is to masking liquid one just immobilising degree, and when the temperature of the second functional layer is 60 DEG C,
Masking liquid two in coating, form the 3rd functional layer, and coating weight is 7.0g/m2, oven drying at low temperature is carried out to aluminium foil, drying temperature is 105
℃；
（8）To the 3rd functional layer natural cooling, rolling after cooling.
Claims (9)
1. a kind of food packaging Easy tearing lid aluminium foil, including aluminium foil layer, is arranged on the first functional layer of described aluminium foil layer upper surface
With the 3rd functional layer being arranged on described aluminium foil layer lower surface it is characterised in that also including being arranged on described aluminium foil layer and described
The second functional layer between 3rd functional layer, described first functional layer is formed using masking liquid three coating, and described second functional layer is adopted
Formed with masking liquid one coating, described 3rd functional layer is formed using masking liquid two coating；The main constituent of described coating one is acrylic acid
Resin, the thickness of described second functional layer is 0.03-0.1mm.
2. according to claim 1 a kind of food packaging Easy tearing lid aluminium foil it is characterised in that, the main one-tenth of described masking liquid two
It is divided into polyester resin.
3. according to claim 1 a kind of food packaging Easy tearing lid aluminium foil it is characterised in that described second function and described
The thickness of the 3rd functional layer is than for 1:1-2.
4. according to claim 1 a kind of food packaging Easy tearing lid aluminium foil it is characterised in that described aluminium foil layer be soft state aluminum
Layers of foil, thickness is 0.08-0.1mm.
5. according to claim 1 a kind of food packaging Easy tearing lid aluminium foil it is characterised in that described masking liquid one include following
Component acryl acid resin 65-85 part of weight portion, solvent one 35-45 part, filler one 2-10 part, additive one 2-5 part.
6. according to claim 5 a kind of food packaging Easy tearing lid aluminium foil it is characterised in that filler in described masking liquid one
One is food stage montmorillonite, the mixture of starch, nano-titanium oxide and Calcium Carbonate.
7. as claimed in claim 1 a kind of preparation technology of food packaging Easy tearing lid aluminium foil it is characterised in that including following walking
Suddenly：
Dispensing：Aluminium foil, coating one, coating two, coating three：
Tension force is applied to aluminium foil, controls tension force in 6-8kg；
It is coated with the upper surface of aluminium foil with coating three, forms the first functional layer, coating weight is 2.0-4.0g/m2；
Aluminium foil first functional layer is carried out dry drying；
Aluminium foil temperature is reduced by cold wind, chill roll；
Coat one in the lower surface coating of aluminium foil, be dried, form the second functional layer, coating weight is 2.0-4.0g/m2；
Second functional layer of aluminium foil is coated with masking liquid two, forms the 3rd functional layer, coating weight is 7.0-8.0g/m2, aluminium foil is entered
Row is dried；
To the 3rd functional layer natural cooling, rolling after cooling
According to claim 7, a kind of preparation technology of food packaging Easy tearing lid aluminium foil is it is characterised in that in the second function
Layer be dried to masking liquid one just immobilising degree when, masking liquid two in coating.
8. according to claim 7 a kind of preparation technology of food packaging Easy tearing lid aluminium foil it is characterised in that coating masking liquid
It is ensured that the temperature of the second functional layer is 45-60 DEG C when two.
9. according to claim 7 a kind of preparation technology of food packaging Easy tearing lid aluminium foil it is characterised in that in step
（7）In drying carried out to aluminium foil adopt oven drying at low temperature, drying temperature is 85-105 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589229A (en) * | 2019-09-04 | 2019-12-20 | 湖州金洁实业有限公司 | Temperature-resistant sterilization easy-to-tear cover aluminum foil |
| CN112896706A (en) * | 2021-03-17 | 2021-06-04 | 江苏鼎胜新能源材料股份有限公司 | Heat-sealable lunch box and preparation method thereof |
| CN116213223A (en) * | 2023-02-09 | 2023-06-06 | 深圳市佰特富材料科技有限公司 | Preparation method of soft double-aluminum easy-to-tear film |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030031883A1 (en) * | 2000-04-11 | 2003-02-13 | Motonori Hochi | Layered film and packaging material |
| CN101186800A (en) * | 2006-11-21 | 2008-05-28 | 卡夫食品集团公司 | Peelable composite thermoplastic sealants in packaging films |
| CN102380983A (en) * | 2010-09-06 | 2012-03-21 | 苏州海顺包装材料有限公司 | Easy-to-peel cover film |
| CN103386788A (en) * | 2013-07-02 | 2013-11-13 | 余姚市康乐彩印包装有限公司 | Laminate-paper easy-pulling cover and preparation method thereof |
| CN103442886A (en) * | 2011-01-03 | 2013-12-11 | 洲际大品牌有限责任公司 | Peelable sealant containing thermoplastic composite blends for packaging applications |
| CN105396771A (en) * | 2015-12-09 | 2016-03-16 | 湖州金洁实业有限公司 | Preparation method of aluminum foil for cover easy to tear |
| CN105459539A (en) * | 2015-12-09 | 2016-04-06 | 湖州金洁实业有限公司 | Aluminum foil of easily torn cover |
| CN205238712U (en) * | 2015-12-24 | 2016-05-18 | 上海联净复合材料技术有限公司 | Tectorial membrane metal sheet |
-
2016
- 2016-08-30 CN CN201610758868.7A patent/CN106380960B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030031883A1 (en) * | 2000-04-11 | 2003-02-13 | Motonori Hochi | Layered film and packaging material |
| CN101186800A (en) * | 2006-11-21 | 2008-05-28 | 卡夫食品集团公司 | Peelable composite thermoplastic sealants in packaging films |
| CN102380983A (en) * | 2010-09-06 | 2012-03-21 | 苏州海顺包装材料有限公司 | Easy-to-peel cover film |
| CN103442886A (en) * | 2011-01-03 | 2013-12-11 | 洲际大品牌有限责任公司 | Peelable sealant containing thermoplastic composite blends for packaging applications |
| CN103386788A (en) * | 2013-07-02 | 2013-11-13 | 余姚市康乐彩印包装有限公司 | Laminate-paper easy-pulling cover and preparation method thereof |
| CN105396771A (en) * | 2015-12-09 | 2016-03-16 | 湖州金洁实业有限公司 | Preparation method of aluminum foil for cover easy to tear |
| CN105459539A (en) * | 2015-12-09 | 2016-04-06 | 湖州金洁实业有限公司 | Aluminum foil of easily torn cover |
| CN205238712U (en) * | 2015-12-24 | 2016-05-18 | 上海联净复合材料技术有限公司 | Tectorial membrane metal sheet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589229A (en) * | 2019-09-04 | 2019-12-20 | 湖州金洁实业有限公司 | Temperature-resistant sterilization easy-to-tear cover aluminum foil |
| CN112896706A (en) * | 2021-03-17 | 2021-06-04 | 江苏鼎胜新能源材料股份有限公司 | Heat-sealable lunch box and preparation method thereof |
| CN116213223A (en) * | 2023-02-09 | 2023-06-06 | 深圳市佰特富材料科技有限公司 | Preparation method of soft double-aluminum easy-to-tear film |
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|---|---|
| CN106380960B (en) | 2019-03-12 |
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Effective date of registration: 20220915 Address after: No. 1188, Pengfei Road, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province 313000 Patentee after: Huzhou Jinjie Packaging Co.,Ltd. Address before: 313000 899 Fukang Road, Zhili Town, Wuxing District, Huzhou, Zhejiang Patentee before: HUZHOU JINJIE INDUSTRY Co.,Ltd. |