CN114132640B - Label type lining for cigarette box and preparation method thereof - Google Patents
Label type lining for cigarette box and preparation method thereof Download PDFInfo
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- CN114132640B CN114132640B CN202111535719.1A CN202111535719A CN114132640B CN 114132640 B CN114132640 B CN 114132640B CN 202111535719 A CN202111535719 A CN 202111535719A CN 114132640 B CN114132640 B CN 114132640B
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- liner
- label
- cigarette
- layer
- cigarette box
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- 239000011888 foil Substances 0.000 claims abstract description 31
- 238000013329 compounding Methods 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 57
- 239000003292 glue Substances 0.000 claims description 23
- 238000005520 cutting process Methods 0.000 claims description 22
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 12
- 239000012793 heat-sealing layer Substances 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 11
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 10
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- 229920002799 BoPET Polymers 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000012748 slip agent Substances 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 230000004888 barrier function Effects 0.000 abstract description 9
- 241000208125 Nicotiana Species 0.000 abstract description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 8
- 238000004806 packaging method and process Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 14
- 230000001070 adhesive effect Effects 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 238000003851 corona treatment Methods 0.000 description 4
- 239000013530 defoamer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000002372 labelling Methods 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002518 antifoaming agent Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000003002 pH adjusting agent Substances 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- -1 drying Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
- B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
- B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
- B65D85/1081—Inserts or accessories added or joined to the container, e.g. coins, pens, cards, spacers
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0257—Multilayer
Abstract
The invention relates to the technical field of tobacco packaging, in particular to a label type lining for a cigarette box and a preparation method thereof. In the label type inner liner for a cigarette case provided by the present invention, the liner body of the label type inner liner comprises: aluminum foil; and compounding specific heat sealing films on the two sides of the aluminum foil. The label type lining for the cigarette case can replace the original lining paper part, can keep better barrier property when the cigarette case is not opened, can still form a closed space after the cigarette case is opened, and prolongs the service life of the opened cigarettes. The invention further limits the structure and the material of the label type lining, so that the label type lining can obtain better oxygen barrier property and water vapor barrier property when being used in the cigarette box, and the quality of the cigarette can be effectively ensured in long-term use.
Description
Technical Field
The invention relates to the technical field of tobacco packaging, in particular to a label type lining for a cigarette box and a preparation method thereof.
Background
The moisture content of the cigarette tobacco leaves not only influences the physical properties of the cigarette tobacco leaves and the safety of the cigarettes, but also influences the sensory quality of the cigarettes: under dry climatic conditions, the tobacco shred loses moisture quickly, the mainstream smoke has low moisture, the irritation is large during smoking, the dry feeling is obvious, and the oral cavity of a smoker is easy to generate phlegm, so the smoking comfort of the cigarette is reduced; under humid conditions, tobacco shreds absorb moisture from the surrounding air, causing smoke to be stuffy and the tobacco shreds are prone to mildew. Therefore, the moisture content control of tobacco products becomes an important technical link in the tobacco industry.
At present, the method for keeping the moisture of cigarettes mainly comprises the following two methods: one is to add humectant directly into cigarette liquid or perfume. However, in practical application, the moisture retention mode is found to have unsatisfactory effect, and especially in winter in northern areas, cigarettes are very dry in a short time after package opening, so that the comfort level of cigarette smoking is seriously influenced. The other is to improve the packaging structure in the existing cigarette case, so that the cigarette case can isolate cigarettes from air to achieve the moisture-keeping effect.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a label liner for a cigarette box and a method for preparing the same, wherein the label liner provided by the present invention can obtain superior barrier performance when used in a cigarette box.
The invention provides a label type lining for a cigarette box, wherein a lining body of the label type lining comprises:
aluminum foil;
compounding heat sealing films on the two sides of the aluminum foil;
the heat-seal film includes:
a heat seal layer; the heat sealing layer is selected from a BOPP film, a PET film, an aluminum-plated BOPP film or an aluminum-plated PET film;
a bottom glue layer compounded on the heat sealing layer; the primer layer comprises waterborne polyurethane;
a printing layer compounded on the bottom glue layer;
the printing layer is prepared from the following raw materials in parts by weight:
the component a is acrylic acid, methyl acrylate or ethyl acrylate copolymer emulsion;
and the printing layer of the heat sealing film is compounded with the aluminum foil.
Preferably, the solid content of the waterborne polyurethane is 20-35%.
Preferably, the solid content of the ethyl acrylate copolymer emulsion is 15-40%.
Preferably, the solid content of the slip agent is 15-35%.
Preferably, the solid content of the antisticking agent is 5-10%.
Preferably, the thickness of the printing layer is 0.1 to 2.0 μm.
Preferably, the thickness of the heat-sealing layer is 15 to 30 μm.
Preferably, the aluminum foil has a thickness of 6.5 to 15 μm.
Preferably, the thickness of the heat-sealing film is 15 to 30 μm.
The present invention also provides a method for preparing the above-mentioned label type inner liner for a cigarette box, comprising the steps of:
a) Preparing a heat-sealing film by adopting a coating method;
b) Compounding the heat sealing films on two sides of the aluminum foil; compounding the printing layer of the heat sealing film with the aluminum foil to obtain a composite material;
c) Cutting the composite material to obtain a lining body;
d) And (3) sticking a label on the liner body, performing die cutting on the reverse side of the liner body where the label is stuck, and obtaining the label type liner for the cigarette box, wherein the label is not cut.
The invention provides a label type lining for a cigarette box, which is characterized in that a lining body of the label type lining comprises: aluminum foil; compounding heat sealing films on the two sides of the aluminum foil; the heat-seal film includes: a heat seal layer; the heat sealing layer is selected from a BOPP film, a PET film, an aluminum-plated BOPP film or an aluminum-plated PET film; a bottom glue layer compounded on the heat sealing layer; the primer layer comprises waterborne polyurethane; the printing layer is compounded on the bottom glue layer; the printing layer is prepared from the following raw materials in parts by weight: 20-95 parts of a component a; 0-70 parts of softened water; 0.5-10 parts of a slip agent; 0.3-3 parts of an anti-sticking agent; 0.1-0.3 part of defoaming agent; 0.05 to 0.2 portion of pH regulator; the component a is acrylic acid, methyl acrylate or ethyl acrylate copolymer emulsion; and the printing layer of the heat sealing film is compounded with the aluminum foil. The label type lining for the cigarette box can replace the original lining paper part, can keep better barrier property when the cigarette box is not opened, can still form a closed space after the cigarette box is opened, and prolongs the service life of the opened cigarettes. The invention further limits the structure and the material of the label type lining, so that the label type lining can obtain better oxygen barrier property and water vapor barrier property when being used in the cigarette box, and the quality of the cigarette can be effectively ensured in long-term use.
Drawings
FIG. 1 is a schematic view of a label type liner structure for a cigarette box according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a liner according to an embodiment of the present invention;
FIG. 3 is a schematic view of a label type liner structure for a cigarette box according to another embodiment of the present invention;
fig. 4 is a schematic diagram of a tag provided by an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides a label type lining for a cigarette box, wherein a lining body of the label type lining comprises:
aluminum foil;
and compounding heat sealing films on the two sides of the aluminum foil.
The label type lining for the cigarette box comprises a lining body and a label, wherein the lining body is provided with a die cut, and the label is attached to the die cut and used for repeatedly opening and closing the die cut.
Fig. 1 is a schematic view of a structure of a label type lining for a cigarette box according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a liner according to an embodiment of the present invention.
The label type lining for the cigarette box can replace the original lining paper part, can keep better barrier property when the cigarette box is not opened, can still form a closed space after the cigarette box is opened, and prolongs the service life of the opened cigarettes.
In some embodiments of the present invention, the aluminum foil has a thickness of 6.5 to 15 μm. In certain embodiments, the aluminum foil is 7 μm thick.
In certain embodiments of the present invention, the heat-sealable film has a thickness of 15 to 30 μm.
In certain embodiments of the present invention, the heat-sealable film comprises:
a heat seal layer;
a bottom glue layer compounded on the heat sealing layer;
and the printing layer is compounded on the bottom glue layer.
In some embodiments of the present invention, the printed layer of the heat seal film is laminated with the aluminum foil.
In certain embodiments of the present invention, the heat seal layer is selected from a BOPP film, a PET film, an aluminized BOPP film, or an aluminized PET film. In certain embodiments of the present invention, the heat-seal layer comprises a non-heat-seal substrate, and a heat-seal coating applied to the non-heat-seal substrate. In certain embodiments of the present invention, the heat-sealable layer has a thickness of from 15 to 30 μm. In certain embodiments, the heat-seal layer has a thickness of 20 μm.
In certain embodiments of the present invention, the primer layer comprises a waterborne polyurethane. In certain embodiments of the present invention, the aqueous polyurethane has a solids content of 20% to 35%. In some embodiments of the present invention, the primer layer has a thickness of 0.5 to 1.5 μm. In certain embodiments, the primer layer has a thickness of 0.8 μm.
In some embodiments of the present invention, the printing layer is prepared from an emulsion of a copolymer of acrylic acid, methyl acrylate and ethyl acrylate, and an additive.
In some embodiments of the present invention, the printing layer is prepared from the following raw materials in parts by weight:
the component a is acrylic acid, methyl acrylate or ethyl acrylate copolymer emulsion. In some embodiments of the present invention, the component a is acrylic acid, and the content of acrylic acid in the raw material for preparing the printing layer is 20wt% to 70wt%. In some embodiments of the present invention, the component a is methyl acrylate, and the content of methyl acrylate in the raw material for preparing the printing layer is 30wt% to 80wt%. In some embodiments of the present invention, the component a is an ethyl acrylate copolymer emulsion, and the content of the ethyl acrylate copolymer emulsion in the raw material for preparing the printing layer is 28wt% to 95wt%. The ethyl acrylate copolymer emulsion in the present invention may be generally commercially available.
In certain embodiments of the present invention, the ethyl acrylate copolymer emulsion has a solids content of 15% to 40%.
In certain embodiments of the present invention, the part by weight of component a is 50 parts.
In certain embodiments of the present invention, the softened water is 15 parts by weight.
In certain embodiments of the present invention, the weight fraction of the slip agent is 0.5 parts. In certain embodiments of the present invention, the slip agent has a solids content of 15% to 35%. The source of the slip agent is not particularly limited in the present invention, and may be generally commercially available.
In certain embodiments of the present invention, the anti-tack agent is present in an amount of 0.3 parts by weight. In certain embodiments of the present invention, the antisticking agent has a solids content of 5% to 10%. The source of the antisticking agent is not particularly limited in the present invention, and may be generally commercially available.
In certain embodiments of the present invention, the defoamer is present in an amount of 0.1 parts by weight. In certain embodiments of the present invention, the defoamer comprises at least one of an organosiloxane, a polyether, silicon, an imine, and an amide. In certain embodiments, the defoamer is a polyether defoamer, THIX-288.
In certain embodiments of the present invention, the pH adjusting agent is present in an amount of 0.05 parts by weight. In certain embodiments of the invention, the pH adjusting agent comprises an acidic adjusting agent, a basic adjusting agent, or a buffer. In certain embodiments, the pH adjuster comprises hydrochloric acid, sulfuric acid, sodium hydroxide, sodium bicarbonate, a phosphate adjuster, or a borate adjuster. In certain embodiments, the acidity regulator is the acidity regulator EP-607.
In some embodiments of the present invention, the thickness of the printing layer is 0.1 to 2.0 μm. In certain embodiments, the printed layer has a thickness of 0.1 μm.
In the invention, the printing layer of the heat sealing film is compounded with the aluminum foil.
In certain embodiments of the present invention, the heat-sealable film is prepared according to the following method:
and coating a layer of waterborne polyurethane on the heat-sealing layer, drying, coating a printing material, and drying to obtain the heat-sealing film.
The material components adopted in the preparation method are the same as above, and are not described again. The printing material is the same as the above printing layer, and the details are not repeated.
In some embodiments of the invention, the dry weight after application of the aqueous polyurethane is from 0.4 to 0.6g/m 2 . In certain embodiments, the dry weight after application of the aqueous polyurethane is 0.5g/m 2 。
In certain embodiments of the invention, the dry weight after application of the printing material is from 0.7 to 3.5g/m 2 。
The heat-sealing film obtained by coating has a small friction coefficient of 0.30-0.31, has low seal-starting temperature and high heat-sealing strength, and is suitable for high-speed packaging machines. The unsealing temperature of a composite film formed after the composite film is compounded with the aluminum foil is 80 ℃; the heat seal strength is more than 4N/15mm under the conditions of 127 ℃, 0.3s and 10N.
In some embodiments of the invention, the body of the label liner is rectangular and the length and width dimensions are determined according to the cigarette to be packaged. In certain embodiments of the present invention, the liner has a width of 70 to 100mm and a length of 200 to 230mm.
In certain embodiments of the present invention, the die cut on the liner is sized to: the width is 40-50 mm, and the length is 50-60 mm. In certain embodiments of the invention, the location of the die cut on the liner is: the length direction of the liner is determined according to the design of the cigarette packing machine and the cigarette.
In the present invention, the size of the label is larger than the size of the die cut on the liner.
Fig. 3 is a schematic view of a structure of a label type lining for a cigarette box according to another embodiment of the present invention.
In some embodiments of the invention, the label is a sticker label. The preparation method of the self-adhesive label is not limited in particular, and the preparation method of the self-adhesive label known by the technical personnel in the field can be adopted. In some embodiments of the invention, the tag may be reopened more than 80 times in use. The invention adopts the non-setting adhesive, has no residual adhesive and no odor.
In some embodiments of the invention, the tag is divided into three regions: strong glue area, weak glue area and no glue area. As shown in detail in fig. 4. Fig. 4 is a schematic diagram of a tag provided by an embodiment of the present invention.
In certain embodiments of the invention, the printed thickness of the label is 0.5 to 1 μm. In some embodiments of the invention, the glue on the label has a thickness of 5 to 20 μm.
In the invention, the strong adhesive area on the label is tightly adhered with the liner, when the label is uncovered, the adhered liner part is opened together, and the phenomenon of layering with the liner part can not occur. In some embodiments of the invention, the adhesive force between the strong glue area on the label and the liner is 8-10N/25 mm, and specifically may be 9N/25mm. The weak glue area can be repeatedly adhered to the lining body part, and no residual glue is left on the lining part. In certain embodiments of the invention, the weak glue areas have an adhesion to the liner of 1.5 to 2.5N/25mm. The glue-free area is not bonded with the lining body part and is in a natural opening state.
The label type lining for the cigarette box provided by the invention can meet the automatic heat sealing packaging function of a cigarette box machine.
The label type lining for the cigarette box provided by the invention can be heat-sealed on two sides, and has lower sealing temperature and higher heat-sealing strength.
The label type lining for the cigarette box provided by the invention has the performance of low-temperature heat sealing, the label can be repeatedly opened, and the sealing property and the barrier property (OTR is less than or equal to 0.1cc/24 h.m.m.) of the cigarette package can be improved after the traditional lining is replaced for packaging 2 ，WVTR≤0.10g/24h·m 2 )。
The invention also provides a preparation method of the label type lining for the cigarette box, which comprises the following steps:
a) Preparing a heat-sealing film by adopting a coating method;
b) Compounding the heat sealing films on two sides of the aluminum foil; the printing layer of the heat sealing film is compounded with the aluminum foil to obtain a composite material;
c) Cutting the composite material to obtain a lining body;
d) And (3) sticking a label on the liner body, performing die cutting on the reverse side of the liner body where the label is stuck, and obtaining the label type liner for the cigarette box, wherein the label is not cut.
The components and the proportions of the materials used in the preparation method of the label type lining for the cigarette box provided by the invention are the same as those in the above, and are not repeated.
The heat-sealing film is prepared by adopting a coating method, and the specific preparation method is the same as above and is not described again.
In certain embodiments of the present invention, step B) specifically comprises:
and carrying out corona treatment on the printing layer of the heat-sealing film, printing and compounding the printing layer on one surface of the aluminum foil, carrying out the same operation on the other surface of the aluminum foil, and then carrying out curing treatment to obtain the composite material.
In certain embodiments of the invention, the temperature of the corona treatment is 35 ℃ and the time is 8 hours. In certain embodiments of the present invention, the corona treatment is performed in a curing chamber.
In some embodiments of the present invention, the printing is performed using a DLY91000C printer, and the printing conditions include: speed 150m/min, color (densitometer, color difference is less than or equal to 3.0), overprinting (+/-0.2 mm), and image-text (AVT scanner).
In some embodiments of the invention, the compounding is performed by a solvent-free compounding machine of Tongze A400, the compounding speed is 150M/min, the compounding firmness (3M 616 adhesive tape) is smooth, and the compounding peel strength is more than or equal to 2.5N/15mm.
The method of slitting is not particularly limited in the present invention, and slitting methods known to those skilled in the art can be used to slit the sheet according to the desired size.
In some embodiments of the invention, the slits are flat in cross-section, free of waviness and scalloping, and have a slit tolerance of + -0.5 mm.
The die cutting method is not particularly limited in the present invention, and die cutting can be performed according to the required size by using die cutting methods well known to those skilled in the art.
In certain embodiments of the present invention, the die cut thickness is the thickness of the liner. The die cutting function is to uncover the label to form an opening for taking cigarettes, and the shape and size are determined according to the design draft.
In some embodiments of the present invention, after the die cutting, the method further comprises: and (6) inspecting, rolling and packaging. The inspection comprises the following steps: and (5) detecting whether label leakage and position deviation exist at labeling and die cutting openings. In some embodiments of the invention, the roll is rolled in a specified unit, which may be 2500 sheets/roll. The package comprises: the roll core and the film roll are labeled, and the seal is marked by an arrow; covering a PE bag on a single roll, and separating the rolls by using foam and cotton paper plates; because this kind of product film rolls up the middle part and has the self-adhesive label book, consequently the film rolls up the middle part thick and hard, and both sides position is thin and soft, needs special packing: the center of the roll core is fixed by a paper tube and is fixed by a packing belt; h-shaped suspension type packing.
The present invention is not particularly limited in the source of the above-used raw materials, and may be generally commercially available.
In order to further illustrate the present invention, the following will describe in detail a label type inner liner for cigarette box and a method for preparing the same, which are provided by the present invention, with reference to the following examples, but should not be construed as limiting the scope of the present invention.
Example 1
1. Preparation of a heat-sealing film:
the heat sealing layer is a BOPP film (the thickness is 20 mu m);
the printing material includes:
the component a is ethyl acrylate copolymer emulsion with the solid content of 20 percent;
the defoaming agent is polyether defoaming agent THIX-288;
the pH regulator is an acid regulator EP-607.
And coating a layer of waterborne polyurethane on the heat-sealing layer, drying, coating a printing material, and drying to obtain the heat-sealing film. In the obtained heat-seal film, the thickness of the primer layer was 0.8. Mu.m, and the thickness of the print layer was 0.1. Mu.m.
2. Printing, compounding and slitting:
performing corona treatment (at 35 ℃ for 8 hours) on the printing layer of the obtained heat-sealing film, printing and compounding the printing layer on one surface of an aluminum foil, performing the same operation on the other surface of the aluminum foil, and then performing curing treatment to obtain a composite material; wherein, printing: DLY91000C printer, speed 150m/min, color (densitometer, color difference ≤ 3.0), overprint (± 0.2 mm), graphics (AVT scanner); compounding: a400 solvent-free laminating machine is adopted, the speed is 150M/min, the firmness (3M 616 adhesive tape) is realized, the lamination is smooth (the composite peel strength is more than or equal to 2.5N/15 mm), and the aluminum foil is selected to be 7 mu M. The cutting section is flat without ripples and lotus leaf edges, and the cutting tolerance is +/-0.5 mm;
cutting the composite material to obtain a lining body; the liner is specified to have a length of 220mm, a width of 85mm and a thickness of 60 μm.
3. Manufacturing a self-adhesive label:
purchasing a W66 label raw material, wherein the structure is that PET 30 mu m base paper/glue 20 mu m/surface material bright silver PET 50 mu m, and a Maandi flexo printing machine: printing image-text information on the surface of the label, using cigarette package gloss oil (the model is SF 126) to carry out glue killing treatment on a part of the glue area of the label, cutting edges to discharge waste (the size precision of the label is controlled to be +/-0.5 mm), and cutting into strips.
4. Labeling:
sticking a processed label on the lining body, wherein the labeling position is as follows: the transverse accuracy is kept at +/-1.0 mm, and the transverse accuracy is kept at +/-1.0 mm. The label is divided into three areas: strong glue area, weak glue area and no glue area. Specifically, as shown in fig. 4, the adhesive force between the strong adhesive area and the liner on the label is 9N/25mm, the adhesive force between the weak adhesive area and the liner is 2N/25mm, and the non-adhesive area is not adhered to the liner and is in a natural opening state.
5. Die cutting:
and die cutting is carried out on the reverse side of the liner body stuck with the label, the die cutting thickness is the thickness of the liner body, the label cannot be cut to damage, the label is uncovered to form an opening for taking the cigarette, the shape and the size are determined according to the design drawing, the precision of the die cut is controlled to be +/-1.0 mm, and the label type liner for the cigarette box is obtained.
6. Inspecting, rolling and packaging:
detecting whether label leakage and position deviation exist at labeling and die cutting openings;
winding is carried out according to the specified unit winding, and 2500 sheets/roll are wound;
the roll core and the film roll are labeled, and the seal is marked by an arrow; covering a PE bag on a single roll, and separating the rolls by using foam and cotton paper plates; because this kind of product film rolls up the intermediate position and has the non-setting adhesive label to roll up, consequently the film rolls up the intermediate position thick and hard, and both sides position is thin and soft, needs special packing: the center of the core is fixed by a paper tube and fixed by a packing belt, and the core is packaged in an I-shaped suspension type.
The prepared label type lining for the cigarette box is detected, the length, the width and the thickness are detected by using a film ruler, the friction coefficient is detected by using a friction instrument, the heat sealing strength and the heat sealing temperature are detected by using a heat sealing instrument, and the reference test standard is SN1 biaxially oriented polypropylene film Enterprise Standard.
The test results showed that the friction coefficient of the label liner was 0.32 and the heat-seal strength was 4.3N/15mm under the test conditions of 127 ℃ and 0.16MPa for 1 s. The Oxygen Transmission Rate (OTR) of the label liner is: 0.05cc/m 2 24h, water Vapor Transmission Rate (WVTR) =0.08g/m 2 ·24h。
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A label type lining for a cigarette box is characterized in that a lining body of the label type lining is composed of an aluminum foil and a heat sealing film compounded on the two sides of the aluminum foil;
the heat sealing film consists of the following layer groups:
a heat seal layer; the heat sealing layer is selected from a BOPP film, a PET film, an aluminum-plated BOPP film or an aluminum-plated PET film;
a bottom glue layer compounded on the heat sealing layer; the bottom glue layer is made of waterborne polyurethane;
a printing layer compounded on the bottom glue layer;
the printing layer is prepared from the following raw materials in parts by weight:
the component a is acrylic acid, methyl acrylate or ethyl acrylate copolymer emulsion;
and the printing layer of the heat sealing film is compounded with the aluminum foil.
2. A labeled inner liner for a cigarette box according to claim 1, wherein the solid content of the aqueous polyurethane is 20% to 35%.
3. A labeled inner liner for a cigarette box according to claim 1, wherein the ethyl acrylate copolymer emulsion has a solid content of 15% to 40%.
4. A labeled liner for cigarette packets according to claim 1, characterized in that the solid content of the slip agent is 15% to 35%.
5. A labeled liner for cigarette packets according to claim 1, characterized in that the solid content of the antisticking agent is 5% to 10%.
6. A labeled liner for a cigarette box according to claim 1, wherein the thickness of the printed layer is 0.1 to 2.0 μm.
7. A labeled liner for a cigarette box as claimed in claim 1, wherein the thickness of said heat-seal layer is 15 to 30 μm.
8. The label liner for cigarette cases as claimed in claim 1, wherein the thickness of the aluminum foil is 6.5-15 μm.
9. A labeled liner for a cigarette box as claimed in claim 1, wherein the thickness of the heat seal film is 15 to 30 μm.
10. The method for preparing a labeled inner liner for a cigarette pack of claim 1, comprising the steps of:
a) Preparing a heat sealing film by adopting a coating method;
b) Compounding the heat sealing films on two sides of the aluminum foil; the printing layer of the heat sealing film is compounded with the aluminum foil to obtain a composite material;
c) Cutting the composite material to obtain a lining body;
d) And (3) sticking a label on the liner, performing die cutting on the reverse side of the liner where the label is stuck without cutting the label to obtain the label type liner for the cigarette box.
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| CN202111535719.1A CN114132640B (en) | 2021-12-15 | 2021-12-15 | Label type lining for cigarette box and preparation method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542529A (en) * | 1990-04-23 | 1996-08-06 | R. J. Reynolds Tobacco Company | High barrier packages for smoking articles and other products |
| CN1297395C (en) * | 2005-06-14 | 2007-01-31 | 海南赛诺实业有限公司 | Acrylic acid coating film and its manufacturing method |
| CN101092069A (en) * | 2006-12-20 | 2007-12-26 | 海南现代高科实业有限公司 | VMPET coated thin film, and production method |
| CN102950853A (en) * | 2010-05-11 | 2013-03-06 | 海南赛诺实业有限公司 | Primer-free acrylic acid coating film and producing method thereof |
| CN107804039B (en) * | 2017-10-30 | 2020-03-20 | 云南昆岭薄膜工业有限公司 | Aluminum-plated printed composite packaging film for cigarettes and preparation method thereof |
| CN111002666A (en) * | 2019-12-25 | 2020-04-14 | 苏州昆岭薄膜工业有限公司 | Cigarette inner packaging film and preparation method thereof |
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