CN209291035U - A kind of high-barrier plastic packaging bag - Google Patents
A kind of high-barrier plastic packaging bag Download PDFInfo
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- CN209291035U CN209291035U CN201821921129.6U CN201821921129U CN209291035U CN 209291035 U CN209291035 U CN 209291035U CN 201821921129 U CN201821921129 U CN 201821921129U CN 209291035 U CN209291035 U CN 209291035U
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- packaging bag
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Abstract
The utility model discloses a kind of high-barrier plastic packaging bags, including bag body, the bag body is formed by upper laminated film and lower laminated film upper-lower heat seal, and the laminated film and lower laminated film are followed successively by polyethylene film from the inside to the outside, evaporated film of silicon oxide and polyvinylidene chloride and methyl acrylate copoly film, and the top of the bag body is set as top heat-sealing portion, the lower part of the bag body is set as bottom heat-sealing portion, the top heat-sealing portion offers the handle that shape is ellipse, the bag body is fixedly connected with Plastic Package item on the inside of the heat-sealing portion of top, the top of the Plastic Package item and be located at top heat-sealing portion on offer easy-torn line.The high-barrier plastic packaging bag improves the disadvantage of conventional plastic packaging bag barrier property difference using the very excellent evaporated film of silicon oxide of barrier property and polyvinylidene chloride and methyl acrylate copoly film, and barrier property is excellent, and composition is simple, cheap.
Description
Technical field
The utility model relates to field of packaging material, are a kind of high-barrier plastic packaging bag.
Background technique
High-barrier packaging is i.e. with the packaging material of high barrier, and high-barrier is primarily referred to as resistance oxygen, blocks water and hinder corrosion
Deng certain packaging scholars think in the world, so-called high-barrier, and can be defined as a kind of material has very strong preventions another kind material
The ability entered is expected, no matter another material is gas, steam, smell or strange taste or fragrance.
Packed using high-barrier, the microbial reproduction due to caused by the infiltration of the gases such as oxygen can be prevented, prevent due to
The oxidation of content caused by oxygen infiltration, prevents the outflow of fragrance, solvent etc., improves the storage characteristics of content, meanwhile, it is high
Barrier package also has stronger water vapor barrier property, prevents the infiltration due to steam and causes the mildew of content.But at present
Conventional plastic packaging bag barrier property it is poor, or have good barrier property, but manufacturing cost is excessively high, be unfavorable for pushing away
It is wide to use, in consideration of it, the plastic packaging bag that a kind of cost is suitable, structure is simple and barrier property is good is just urgently gone out by invention research
Come.
Utility model content
The purpose of this utility model is to provide a kind of high-barrier plastic packaging bags, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of high-barrier plastic packaging bag, including bag
Body, the bag body are formed by upper laminated film and lower laminated film upper-lower heat seal, and the top of the bag body is set as top heat-sealing
Portion, the lower part of the bag body are set as bottom heat-sealing portion, and the top heat-sealing portion offers the handle that shape is ellipse, the bag body
Plastic Package item is fixedly connected on the inside of the heat-sealing portion of top, and the top of the Plastic Package item and being located in the heat-sealing portion of top is opened
Equipped with easy-torn line.
Preferably, the upper laminated film and lower laminated film are multi-layer compound film, and the laminated film is under
Laminated film is followed successively by polyethylene film, evaporated film of silicon oxide and polyvinylidene chloride from the inside to the outside and methyl acrylate is total
Poly- film, and the polyethylene film, evaporated film of silicon oxide and polyvinylidene chloride and methyl acrylate copoly film it
Between be coated with ink layer, the polyethylene film, evaporated film of silicon oxide and polyvinylidene chloride and methyl acrylate copoly
It is bonded by adhesive between film.
Preferably, the polyethylene film with a thickness of 0.06mm.
Preferably, the evaporated film of silicon oxide with a thickness of 0.015mm.
Preferably, the polyvinylidene chloride and methyl acrylate copoly film with a thickness of 0.015mm.
Preferably, described adhesive is reaction type polyurethane hot-melt adhesive.
Preferably, the periphery of the handle is provided with the handle ring of thickening.
Compared with prior art, the utility model has the beneficial effects that
(1), the high-barrier plastic packaging bag, the barrier property of plastic packaging bag is improved by using multilayer complex films.
Polyethylene film used is innermost layer, its barrier property of polyethylene film even MULTILAYER COMPOSITE is also very unsatisfactory, but poly- second
Alkene film is nontoxic and strength and toughness is all very outstanding, and the innermost layer for direct contacting foodstuff is very suitable, the oxidation in middle layer
Silicon evaporated film is very fine and close, and resistance oxygen, moisture barrier property are excellent, and fragrance protectiveness is also fine, the barrier property of evaporated film of silicon oxide
Can be better than current most plastic films, outermost polyvinylidene chloride and methyl acrylate copoly film are equally resistances
Separating performance plastic film very outstanding.
(2), the high-barrier plastic packaging bag, adhesive use reaction type polyurethane hot-melt adhesive, it not only has traditional heat
Melten gel tack is good and the excellent feature of rear curing performance, and the composed structure with polyurethane is changeable and property regulation range is big
A variety of plastics are all had excellent adhesive property by advantage, these features of reaction type polyurethane hot-melt adhesive are applicable in it
Bonding between composite plastic film different materials is conducive to its resistance so that each composite material bonding of plastic packaging bag is stronger
The holding of separating performance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model THIN COMPOSITE mode structure schematic diagram；
Fig. 3 is that the utility model opens a bag structural schematic diagram.
In figure: 1 bag body, laminated film, 3 lower laminated films, 4 top heat-sealing portions, 5 bottom heat-sealing portions, 6 handles, 7 plastic seals on 2
It is thin to fill item, 8 easy-torn lines, 9 polyethylene films, 10 evaporated film of silicon oxide, 11 polyvinylidene chloride and methyl acrylate copoly
Film, 12 ink layers, 13 adhesives, 14 handle rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of high-barrier plastic packaging bag, including bag body
1, bag body 1 is formed by upper laminated film 2 and lower 3 upper-lower heat seal of laminated film, and upper laminated film 2 and lower laminated film 3 are more
Layer laminated film, and laminated film 2 and lower laminated film 3 are followed successively by polyethylene film 9, evaporated film of silicon oxide 10 from the inside to the outside
And polyvinylidene chloride and methyl acrylate copoly film 11, polyethylene film 9 with a thickness of
0.06mm, the model of polyethylene film can be LD100AC, and polyethylene film 9 is innermost layer, polyethylene film 9
Even its barrier property of MULTILAYER COMPOSITE is also very unsatisfactory, but polyethylene film 9 is nontoxic and strength and toughness is all very outstanding, uses
It is very suitable in the innermost layer of direct contacting foodstuff, evaporated film of silicon oxide 10 with a thickness of 0.015mm, the silica in middle layer steams
100 points of densifications of film are plated, resistance oxygen, moisture barrier property are excellent, and fragrance protectiveness is also fine, the barrier property of evaporated film of silicon oxide 10
Can better than current most plastic films, polyvinylidene chloride and methyl acrylate copoly film 11 with a thickness of
0.015mm, outermost polyvinylidene chloride and methyl acrylate copoly film 11 are equally barrier property modelings very outstanding
Expect film, and its good intensity is very suitable for for outer layer protection, and polyethylene film 9, evaporated film of silicon oxide 10 and
Ink layer 12, polyethylene film 9, silica vapor deposition are coated between polyvinylidene chloride and methyl acrylate copoly film 11
It is bonded by adhesive 13 between film 10 and polyvinylidene chloride and methyl acrylate copoly film 11, adhesive
Model can be LE-518, adhesive 13 be reaction type polyurethane hot-melt adhesive, it not only have traditional hot-melt adhesive tack it is good with
The excellent feature of curing performance afterwards, and have the advantages that the composed structure of polyurethane is changeable and property regulation range is big, to a variety of modelings
Material all has excellent adhesive property, these features of reaction type polyurethane hot-melt adhesive allow it to be applicable in composite plastic film not
Be conducive to the holding of its barrier property so that each composite material bonding of plastic packaging bag is stronger with the bonding between material, and
The top of bag body 1 is set as top heat-sealing portion 4, and the lower part of bag body 1 is set as bottom heat-sealing portion 5, and it is ellipse that top heat-sealing portion 4, which offers shape,
Circular handle 6, the periphery of handle 6 are provided with the handle ring 14 of thickening, avoid the sharp sense of touch of plastic packaging bag to manpower
Portion brings discomfort, and bag body 1 is fixedly connected with Plastic Package item 7, material used in Plastic Package item 7 close to the inside in top heat-sealing portion 4
For polyethylene (PE), the nontoxic and durable characteristic of polyethylene is very suitable for the Plastic Package item inside as plastic packaging bag
7, the top of Plastic Package item 7 and be located at top heat-sealing portion 4 on offer easy-torn line 8, be conducive to user and quickly and easily open
Plastic packaging bag.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
Working principle: the high-barrier plastic packaging bag is torn packaging bag i.e. along easy-torn line 8 when in use and be can be used, in band
Article can seal Plastic Package item 7 and can hold handle 6 when needing to hold hand for transport come the use that repeats to break seal, mention when being not run out
Handle ring 14 on hand 6 can allow user to feel comfortable.
The high-barrier plastic packaging bag improves the barrier property of plastic packaging bag by using multilayer complex films.Used
Polyethylene film 9 is innermost layer, its barrier property of the even MULTILAYER COMPOSITE of polyethylene film 9 is also very unsatisfactory, but polyethylene is thin
Film 9 is nontoxic and strength and toughness is all very outstanding, and the innermost layer for direct contacting foodstuff is very suitable, and the silica in middle layer steams
100 points of densifications of film are plated, resistance oxygen, moisture barrier property are excellent, and fragrance protectiveness is also fine, the barrier property of evaporated film of silicon oxide 10
Can be better than current most plastic films, outermost polyvinylidene chloride and methyl acrylate copoly film 11 are equally
Barrier property plastic film very outstanding, and the intensity of polyvinylidene chloride and methyl acrylate copoly film 11 is good, fits
Cooperation is the outer layer for needing the plastic packaging bag of certain protective capability.In addition to this, it can be adapted for various plastics having used
Reaction type polyurethane hot-melt adhesive between film makes plastic packaging bag bonding securely, and the barrier property for keeping its excellent is protected
It holds.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of high-barrier plastic packaging bag, including bag body (1), it is characterised in that: the bag body (1) is by upper laminated film (2)
It is formed with lower laminated film (3) upper-lower heat seal, and the top of the bag body (1) is set as top heat-sealing portion (4), the bag body (1)
Lower part be set as bottom heat-sealing portion (5), top heat-sealing portion (4) offers the handle (6) that shape is ellipse, the bag body
(1) it is fixedly connected with Plastic Package item (7), the top of the Plastic Package item (7) and is located on the inside of top heat-sealing portion (4)
Easy-torn line (8) are offered on top heat-sealing portion (4).
2. a kind of high-barrier plastic packaging bag according to claim 1, it is characterised in that: the upper laminated film (2) and
Lower laminated film (3) is multi-layer compound film, and the laminated film (2) and lower laminated film (3) are followed successively by from the inside to the outside
Polyethylene film (9), evaporated film of silicon oxide (10) and polyvinylidene chloride and methyl acrylate copoly film (11), and institute
State polyethylene film (9), evaporated film of silicon oxide (10) and polyvinylidene chloride and methyl acrylate copoly film (11) it
Between be coated with ink layer (12), the polyethylene film (9), evaporated film of silicon oxide (10) and polyvinylidene chloride and propylene
It is bonded by adhesive (13) between sour methyl esters copolymerization film (11).
3. a kind of high-barrier plastic packaging bag according to claim 2, it is characterised in that: the polyethylene film (9)
With a thickness of 0.06mm.
4. a kind of high-barrier plastic packaging bag according to claim 2, it is characterised in that: the evaporated film of silicon oxide
(10) with a thickness of 0.015mm.
5. a kind of high-barrier plastic packaging bag according to claim 2, it is characterised in that: the polyvinylidene chloride and third
E pioic acid methyl ester be copolymerized film (11) with a thickness of 0.015mm.
6. a kind of high-barrier plastic packaging bag according to claim 2, it is characterised in that: described adhesive (13) is reaction
Type polyurethane hot melt adhesive.
7. a kind of high-barrier plastic packaging bag according to claim 1, it is characterised in that: the periphery of the handle (6) is set
It is equipped with the handle ring (14) of thickening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821921129.6U CN209291035U (en) | 2018-11-21 | 2018-11-21 | A kind of high-barrier plastic packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821921129.6U CN209291035U (en) | 2018-11-21 | 2018-11-21 | A kind of high-barrier plastic packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209291035U true CN209291035U (en) | 2019-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821921129.6U Active CN209291035U (en) | 2018-11-21 | 2018-11-21 | A kind of high-barrier plastic packaging bag |
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| Country | Link |
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| CN (1) | CN209291035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409944A (en) * | 2020-04-02 | 2020-07-14 | 上海久正医用包装材料有限公司 | Packaging bag with steam coating film and production process thereof |
| CN112644120A (en) * | 2020-09-24 | 2021-04-13 | 马鞍山市欧凯包装材料有限公司 | Easily tear high resistant and separate polymer wrapping bag |
-
2018
- 2018-11-21 CN CN201821921129.6U patent/CN209291035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409944A (en) * | 2020-04-02 | 2020-07-14 | 上海久正医用包装材料有限公司 | Packaging bag with steam coating film and production process thereof |
| CN112644120A (en) * | 2020-09-24 | 2021-04-13 | 马鞍山市欧凯包装材料有限公司 | Easily tear high resistant and separate polymer wrapping bag |
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