CN109398910A - Facial mask bag material, production technology and mask packaging bag - Google Patents
Facial mask bag material, production technology and mask packaging bag Download PDFInfo
- Publication number
- CN109398910A CN109398910A CN201811204528.5A CN201811204528A CN109398910A CN 109398910 A CN109398910 A CN 109398910A CN 201811204528 A CN201811204528 A CN 201811204528A CN 109398910 A CN109398910 A CN 109398910A
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- Prior art keywords
- film
- polyethylene
- vinyl acetate
- acetate copolymer
- ethylene
- Prior art date
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Links
- 239000000463 material Substances 0.000 title claims abstract description 52
- 230000001815 facial effect Effects 0.000 title claims abstract description 48
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 82
- 239000004698 Polyethylene Substances 0.000 claims abstract description 47
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 44
- 229920006267 polyester film Polymers 0.000 claims abstract description 34
- 230000001070 adhesive effect Effects 0.000 claims abstract description 32
- 239000000853 adhesive Substances 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 239000002775 capsule Substances 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 28
- 239000011888 foil Substances 0.000 claims description 27
- 229920002635 polyurethane Polymers 0.000 claims description 18
- 239000004814 polyurethane Substances 0.000 claims description 18
- 238000013329 compounding Methods 0.000 claims description 17
- 239000008187 granular material Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000005041 Mylar™ Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 19
- -1 polyethylene Polymers 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 5
- 239000012793 heat-sealing layer Substances 0.000 description 4
- 239000013557 residual solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012775 heat-sealing material Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention discloses a kind of facial mask bag material, which includes the printing film being cascading, aluminium foil, polyester film and polyethylene and ethylene-vinyl acetate copolymer co-extrusion film；Wherein, compound by adhesive between the printing film and the aluminium foil, between the aluminium foil and the polyester film and between the polyester film and the polyethylene and ethylene-vinyl acetate copolymer co-extrusion film.Present invention simultaneously discloses a kind of facial mask bag material producing process, which includes: to prepare printing film；Aluminium foil is combined on the printing film, and is cured；Polyester film is combined on the aluminium foil, and is cured；Polyethylene and ethylene-vinyl acetate copolymer co-extrusion film are combined on the polyester film, and curing and cooling, obtain finished composite material.Invention additionally discloses a kind of mask packaging bags.The present invention improves the sealing performance at facial mask bag and capsule heat-sealing.
Description
Technical Field
The invention relates to the field of packaging bags, and particularly relates to a mask bag material, a production process and a mask packaging bag.
Background
The capsule facial mask mainly comprises a single capsule type and a binary type combining the originality of an efficacy capsule and a patch facial mask. The capsule facial mask is named as a capsule facial mask because the main functional components are wrapped in the capsule shell.
At present, a capsule facial mask bag is generally made by hot-melting and pressing a capsule and a facial mask bag, wherein the facial mask bag is generally made of a three-layer composite material of PET + aluminized + PE from outside to inside, and the capsule is generally made of a polyvinyl chloride (PVC) material.
However, the heat-sealing property of the mask pack is generally that there is a leakage ratio of about 2% at the place where the mask pack and the capsule are heat-sealed.
Disclosure of Invention
The invention mainly aims to provide a mask bag material, a production process and a mask packaging bag, and aims to solve the problem of material leakage at the heat sealing position of a capsule and a mask bag.
In order to achieve the purpose, the invention provides a facial mask bag material, which comprises a printing film, an aluminum foil, a polyester film and a polyethylene and ethylene vinyl acetate copolymer co-extrusion film which are sequentially stacked; wherein,
and the printing film and the aluminum foil, the aluminum foil and the polyester film and the polyethylene and ethylene-vinyl acetate copolymer co-extruded film are compounded through adhesives.
Preferably, the printed film is made of a mylar printing ink.
Preferably, the thickness of the printing film is 12-16 um.
Preferably, the adhesive is a polyurethane composite adhesive.
Preferably, the thickness of aluminium foil is 6 ~ 8um, polyester film's thickness is 12 ~ 25um, the thickness of polyethylene and ethylene vinyl acetate copolymer coextrusion film is 80 ~ 90um, the thickness of gluing for the polyurethane is 5 ~ 7 um.
The invention also provides a production process of the mask bag material, which comprises the following steps:
preparing a printing film;
compounding an aluminum foil on the printing film and curing;
compounding a polyester film on the aluminum foil and curing;
and compounding the polyethylene and ethylene-vinyl acetate copolymer co-extruded film on the polyester film, curing and cooling to obtain the finished product composite material.
Preferably, before the step of compounding the co-extruded film of polyethylene and ethylene vinyl acetate copolymer to the polyester film, curing and cooling to obtain the finished composite material, the production process further comprises:
respectively placing granules of polyethylene and ethylene-vinyl acetate copolymer into an extruder, and heating and melting;
and extruding the melted polyethylene and ethylene-vinyl acetate copolymer layer by layer, cooling and forming to obtain the polyethylene and ethylene-vinyl acetate copolymer co-extruded film.
The invention also provides a facial mask packaging bag which comprises a bag body, wherein the bag body comprises two layers of facial mask bag materials which are bonded together through heat sealing of the peripheral edges, the facial mask bag materials are the facial mask bag materials, and the polyethylene and ethylene-vinyl acetate copolymer co-extrusion film is used as the inner surface of the bag body.
Preferably, the facial mask packaging bag further comprises a capsule, the capsule is provided with an opening, a continuous heat sealing part is arranged along the edge of the opening, a through hole for the capsule to pass through is formed in one layer of facial mask bag material of the bag body, the heat sealing part is located between the two layers of facial mask bag materials of the bag body, and the heat sealing parts are respectively bonded with the inner surfaces of the two sides of the bag body through heat sealing.
According to the technical scheme, the aluminum foil, the polyester film and the polyethylene and ethylene-vinyl acetate copolymer co-extrusion film are sequentially compounded on the printing film by using the adhesive, and the sealing performance of the heat sealing position of the capsule and the facial mask bag is ensured due to the excellent heat sealing performance of the polyethylene and the ethylene-vinyl acetate copolymer.
Drawings
FIG. 1 is a schematic view of a composition structure of an embodiment of the mask pack material of the present invention;
FIG. 2 is a flow chart of an embodiment of a process for producing a mask pack material according to the present invention;
FIG. 3 is a flow chart of the preparation of the co-extruded film of polyethylene and ethylene vinyl acetate copolymer in FIG. 2.
Detailed Description
In the following, the embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it is apparent that the embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a facial mask bag material, and referring to fig. 1, the facial mask bag material comprises a printing film 10, an aluminum foil 20, a polyester film 30 and a polyethylene and ethylene vinyl acetate copolymer co-extrusion film 40 which are sequentially stacked; wherein,
the printing film 10 and the aluminum foil 20, the aluminum foil 20 and the polyester film 30, and the polyester film 30 and the polyethylene and ethylene-vinyl acetate copolymer co-extruded film 40 are compounded through an adhesive 50.
In this embodiment, the aluminum foil 20 is generally a pure aluminum foil, and is made of a metal thin material that is directly rolled by metal aluminum and then is softened by sufficient annealing, so that the aluminum foil is soft, has good barrier property, light-proof property, high temperature resistance and low temperature resistance, has high hardness, small tearing strength, high tensile strength, good composite property, and is easy to tear.
The polyester film 30 is a film material which is prepared by using polyethylene terephthalate as a raw material, making a thick sheet by an extrusion method, and performing biaxial stretching, is usually a colorless transparent glossy film, has excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature and low temperature resistance, and good chemical resistance, oil resistance, air tightness and aroma retention, and is a common printing material and a barrier composite film base material.
The polyethylene and ethylene vinyl acetate copolymer coextruded film 40 is a three-layer coextruded film: the heat-sealing layer, the intermediate layer and the composite layer are both made of polyethylene film materials and are formed by addition polymerization reaction of ethylene monomers, and the heat-sealing layer is non-toxic, odorless, stable in chemical performance, capable of resisting most of acid and alkali, stable in composite performance and good in heat-sealing performance. Is a commonly used composite heat sealing material. The heat sealing layer is prepared by co-extruding ethylene-vinyl acetate copolymer and polyethylene, wherein the ethylene-vinyl acetate content is 85-90%, and the polyethylene content is 10-15%. Because the polyethylene has stable chemical property and the ethylene-vinyl acetate copolymer has excellent heat sealing property, the heat sealing substrate of the mask bag has good self-sealing property and good heat sealing strength with the capsule.
In a preferred embodiment, the printed film 10 is made of mylar printing ink.
In this example, the ink was a polyurethane ink, which had low hiding power and good transparency.
In a preferred embodiment, the thickness of the printing film 10 is 12-16 um.
In this embodiment, the thickness of the printed film 10 includes the thickness of a polyester film and the thickness of ink, and generally, the thickness of the polyester film is 10 to 14um, preferably 12 um; the thickness of the printing ink is 1-3 um, preferably 2 um.
In a preferred embodiment, the adhesive 50 is a polyurethane composite adhesive.
In this embodiment, the adhesive 50 is preferably a polyurethane composite adhesive, because the polyurethane composite adhesive is a glue containing urethane groups and isocyanate groups in molecular chains, contains isocyanate and urethane groups with strong polarity, has good crosslinking reactivity, and can be cured at room temperature or high temperature, and thus has excellent adhesive properties to various materials such as aluminum foils, plastics, non-woven fabrics, and the like. The main chain of the polyurethane has good flexibility, the polyurethane has the biggest characteristics of impact shock resistance and bending fatigue resistance, the peel strength is high, particularly, the low-temperature resistance is excellent, and the influence of thermal stress is small when different materials are glued.
In a preferred embodiment, the thickness of the aluminum foil 20 is 6-8 um, the thickness of the polyester film 30 is 12-25 um, the thickness of the co-extruded film 40 of polyethylene and ethylene vinyl acetate copolymer is 80-90 um, and the thickness of the polyurethane composite adhesive is 5-7 um.
In this embodiment, the thickness of the aluminum foil 20 is preferably 7um, and 7um has already reached good barrier performance, and barrier performance is reduced below 7um, and barrier performance is improved but cost is increased above 7 um. The thickness of the polyester film 30 is preferably 25um, and the specifications of the common polyester film 30 are 12um, 19um and 25um, wherein the specification of 25um is selected to ensure that the facial mask bag material has good stiffness. In addition, in view of the heat seal strength of the polyethylene and ethylene vinyl acetate copolymer coextruded film 40 with the capsule, the thickness of the polyethylene and ethylene vinyl acetate copolymer coextruded film 40 herein is preferably 85 μm. The thickness of the polyurethane composite adhesive is preferably 6um, which is enough to meet the adhesive requirement, too much increases the adhesive time, and too little decreases the adhesive strength.
The invention also provides a production process of the facial mask bag material, and referring to fig. 2, the production process comprises the following steps:
step S100, preparing a printing film.
In this step, the printed film is made by printing a layer of ink on a polyester film.
And step S200, compounding the aluminum foil on the printing film and curing.
In this step, the printed film is compounded with the aluminum foil through an adhesive, preferably a polyurethane compounding adhesive. And (3) placing the composite film of the printing film and the aluminum foil in a curing chamber at 40-60 ℃ for curing for 24 hours to fully cure and crosslink the adhesive for polyurethane compounding to achieve certain compounding strength. The curing time is preferably longer than 24 hours, and some adhesives are required to be placed for 5-7 days.
During curing, the ventilation flow in the curing chamber is kept, the temperature of each point in the chamber is kept consistent, the indoor air is properly replaced, the residual solvent released during curing is discharged to the outside, and fresh air is supplemented, so that the residual solvent amount and the peculiar smell of the composite membrane are favorably reduced.
Then, the polyester film, the polyethylene and the ethylene-vinyl acetate copolymer co-extruded film are compounded in sequence, and a curing process is needed after each compounding. But a plurality of adhesives can be directly compounded on all the film layers and then put into a curing chamber at the temperature of 40-60 ℃ for curing.
And step S300, compounding the polyester film on the aluminum foil and curing.
In this step, the polyester film and the aluminum foil are compounded by an adhesive, and a polyurethane compounding adhesive is generally preferred. Similarly, the curing temperature may be 40 ℃ to 60 ℃ and the curing time may be 24 hours.
Curing at high temperature for 24 hr to cure and crosslink the composite polyurethane glue fully to reach certain composite strength.
The polyester film can protect the aluminum foil and improve the rigidity and the tearability of the composite material.
And S400, compounding the polyethylene and ethylene-vinyl acetate copolymer co-extruded film on a polyester film, curing and cooling to obtain the finished composite material.
In the step, the polyethylene and ethylene-vinyl acetate copolymer co-extruded film is compounded with the polyester film through an adhesive, and the adhesive is preferably a polyurethane compounding adhesive generally.
Similarly, the curing temperature can be 40-60 ℃, and the curing time can be 48 hours. And cooling after curing for 48 hours to fully cure and crosslink the polyurethane composite adhesive to reach certain composite strength, thereby obtaining the finished composite material.
In a preferred embodiment, before step S400, referring to fig. 3, the manufacturing process further includes:
and step S500, respectively putting the granules of the polyethylene and the ethylene-vinyl acetate copolymer into an extruder, and heating and melting the granules.
In this step, the co-extruded film of polyethylene and ethylene vinyl acetate copolymer is a three-layer co-extruded film: the heat-sealing layer, the middle layer and the composite layer are made of polyethylene film materials.
Specifically, pellets of polyethylene and ethylene-vinyl acetate copolymer are respectively placed into an extruder, heated and made into viscous state materials by means of internal friction heat between the pellets.
And S600, extruding the melted polyethylene and ethylene-vinyl acetate copolymer in a layered manner, cooling and forming to obtain the polyethylene and ethylene-vinyl acetate copolymer co-extruded film.
In the step, under the rotating and pushing action of a screw of an extruder, a viscous-state material of polyethylene and ethylene-vinyl acetate copolymer is continuously extruded in a layered mode through a neck mold with a certain shape, and finally, the co-extruded film of polyethylene and ethylene-vinyl acetate copolymer is obtained through cooling and forming.
The invention also provides a facial mask packaging bag which comprises a bag body, wherein the bag body comprises two layers of facial mask bag materials which are bonded together through heat sealing of the peripheral edges, the facial mask bag materials are the facial mask bag materials, and a co-extrusion film of polyethylene and ethylene-vinyl acetate copolymer is used as the inner surface of the bag body.
In this embodiment, after obtaining the finished facial mask bag material, the composite fastness and the residual solvent amount between each layer are detected, and the finished facial mask bag material can be taken out to be made into a bag by a bag making machine after meeting the requirements, and the two layers of facial mask bag material are heat sealed to form a bag-shaped structure.
In a preferred embodiment, the facial mask packaging bag further comprises a capsule, the capsule is provided with an opening, a continuous heat sealing part is arranged along the edge of the opening, a through hole for the capsule to pass through is formed in one layer of facial mask bag material of the bag body, the heat sealing part is located between the two layers of facial mask bag materials of the bag body, and the heat sealing parts are respectively bonded with the inner surfaces of the two sides of the bag body through heat sealing.
In this embodiment, the finished facial mask bag material is positioned and punched by the positioning and punching machine, and the size of the punched hole is the size of the capsule shape. And (3) enabling the storage bag body of the capsule to penetrate through the through hole from the inner side of the facial mask bag, enabling the heat-sealing part of the capsule to abut against the inner surface of the facial mask bag, and then heat-sealing the heat-sealing part and the inner surfaces of the facial mask bags on the two sides together to obtain the finished facial mask packaging bag.
The above description is only a part of or preferred embodiments of the present invention, and neither the text nor the drawings should be construed as limiting the scope of the present invention, and all equivalent structural changes, which are made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The facial mask bag material is characterized by comprising a printing film, an aluminum foil, a polyester film and a polyethylene and ethylene-vinyl acetate copolymer co-extrusion film which are sequentially stacked; wherein,
and the printing film and the aluminum foil, the aluminum foil and the polyester film and the polyethylene and ethylene-vinyl acetate copolymer co-extruded film are compounded through adhesives.
2. The mask pack material of claim 1 wherein the printed film is made of mylar printing ink.
3. The mask pack material according to claim 2, wherein the thickness of the printed film is 12 to 16 um.
4. The mask pack material according to claim 1, wherein the adhesive is a polyurethane composite adhesive.
5. The mask bag material according to claim 1, wherein the aluminum foil is 6-8 um thick, the polyester film is 12-25 um thick, the co-extruded film of polyethylene and ethylene vinyl acetate copolymer is 80-90 um thick, and the thickness of the polyurethane composite adhesive is 5-7 um thick.
6. A production process of a mask bag material is characterized by comprising the following steps:
preparing a printing film;
compounding an aluminum foil on the printing film and curing;
compounding a polyester film on the aluminum foil and curing;
and compounding the polyethylene and ethylene-vinyl acetate copolymer co-extruded film on the polyester film, curing and cooling to obtain the finished product composite material.
7. The process for producing facial mask bag material according to claim 6, wherein before the step of compounding the co-extruded film of polyethylene and ethylene vinyl acetate copolymer onto the polyester film, curing and cooling to obtain the final composite material, the process further comprises:
respectively placing granules of polyethylene and ethylene-vinyl acetate copolymer into an extruder, and heating and melting;
and extruding the melted polyethylene and ethylene-vinyl acetate copolymer layer by layer, cooling and forming to obtain the polyethylene and ethylene-vinyl acetate copolymer co-extruded film.
8. A facial mask packaging bag characterized by comprising a bag body, wherein the bag body comprises two layers of facial mask bag materials which are bonded together through heat sealing of peripheral edges, the facial mask bag materials are the facial mask bag materials according to any one of claims 1 to 5, and a co-extrusion film of polyethylene and ethylene vinyl acetate copolymer is used as the inner surface of the bag body.
9. The facial mask pack according to claim 8, further comprising a capsule having an opening, wherein a continuous heat-sealing portion is provided along a rim of the opening, a through hole for the capsule to pass through is provided in one of the layers of the facial mask pack material of the pack body, the heat-sealing portion is provided between the two layers of the facial mask pack material of the pack body, and the heat-sealing portions are respectively bonded to inner surfaces of both sides of the pack body by heat-sealing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018111331006 | 2018-09-27 | ||
| CN201811133100 | 2018-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109398910A true CN109398910A (en) | 2019-03-01 |
| CN109398910B CN109398910B (en) | 2020-08-04 |
Family
ID=65467335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811204528.5A Active CN109398910B (en) | 2018-09-27 | 2018-10-16 | Mask bag material, production process and mask packaging bag |
Country Status (1)
| Country | Link |
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| CN (1) | CN109398910B (en) |
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| CN111392151A (en) * | 2020-03-31 | 2020-07-10 | 刘淼 | Production and packaging method of facial mask |
| CN112519322A (en) * | 2020-11-30 | 2021-03-19 | 重庆市金利药包材料有限公司 | Production process of medicinal packaging bag |
| CN115972724A (en) * | 2022-12-29 | 2023-04-18 | 水羊化妆品制造有限公司 | Four-way easy-tear packaging bag and preparation method thereof |
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| WO2016128844A1 (en) * | 2015-02-14 | 2016-08-18 | Fanavaran Nano- Meghyas Company (Ltd.) | Nano face mask and method for producing the same |
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| CN111392151A (en) * | 2020-03-31 | 2020-07-10 | 刘淼 | Production and packaging method of facial mask |
| CN112519322A (en) * | 2020-11-30 | 2021-03-19 | 重庆市金利药包材料有限公司 | Production process of medicinal packaging bag |
| CN115972724A (en) * | 2022-12-29 | 2023-04-18 | 水羊化妆品制造有限公司 | Four-way easy-tear packaging bag and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109398910B (en) | 2020-08-04 |
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