CN206394126U - A kind of low absorption composite sheet for product packaging - Google Patents
A kind of low absorption composite sheet for product packaging Download PDFInfo
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- CN206394126U CN206394126U CN201621284416.1U CN201621284416U CN206394126U CN 206394126 U CN206394126 U CN 206394126U CN 201621284416 U CN201621284416 U CN 201621284416U CN 206394126 U CN206394126 U CN 206394126U
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- low absorption
- composite sheet
- adhesive layer
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- product packaging
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Abstract
The utility model is related to a kind of low absorption composite sheet for product packaging.The structure of the composite sheet from contact pack content internal layer be outwards successively：Low absorption inner membrance, the first adhesive layer, the second adhesive layer, barrier layer, the 3rd adhesive layer, outer membrane.By the way that the outer membrane, barrier layer and low absorption inner membrance are squeezed, multiple combination process progress is compound to be prepared the low absorption composite sheet, and extruding compounding machine using Double-mold-head is disposably combined completion.The low absorption composite sheet, can efficiently reduce the absorption of pack content, a greater degree of various small molecule compositions for retaining content, effectively increase the shelf-life of content.
Description
Technical field
The utility model is related to packaging field, relates more specifically to a kind of composite sheet for product packaging, described multiple
Closing sheet material has low adsorption effect, can preferably retain the various composition of pack content.The composite sheet is applicable to make up
The packaging of the various products such as product, oral care, personal nursing, food.
Background technology
Compared with extruding pipe, a big advantage of composite soft tube is that its body material is composite sheet, the composite sheet
Material be the Film laminated for being produced a variety of different materials by way of compound together.The composite sheet can be from each
Plant high barrier material such as aluminium foil, aluminizer, ethylene-vinyl alcohol copolymer etc., it might even be possible to select two or more high barrier materials
To improve the barrier property of composite sheet or even composite soft tube, with more preferable protective packaging content, shelf life of products is improved.So
And some small-molecule substances in lotion, such as some perfume ingredients, under the protection of high barrier material, although packaging will not be passed through
Infiltration is into environment, but a part therein may be still migrated into composite sheet from lotion, through after a while
Accumulation, causes certain loss of effective components, so as to influence the efficiency of content to a certain extent.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of composite sheet with low adsorption effect, it can be more preferable
The various composition of ground preservation of packaged content, extends the shelf-life of product.Therefore theme of the present utility model is a kind of for producing
The low absorption composite sheet of product packaging, the internal layer of the structure of the composite sheet from contact pack content is outwards successively：It is low
Inner membrance, the first adhesive layer, the second adhesive layer, barrier layer, the 3rd adhesive layer, outer membrane are adsorbed, wherein first adhesive layer is by gathering
Ethene is constituted.
In a scheme of the present utility model, the low absorption inner membrance is made up of the polythene material of single or multiple lift,
The thickness range of the low absorption inner membrance is 50~200um.The low absorption inner membrance can need to add certain ratio according to client
The color masterbatch of example produces coloured low absorption inner membrance, such as white low absorption inner membrance.
In another scheme of the present utility model, the low absorption inner membrance is three layers or the multilayer film knot more than three layers
Structure, layer thickness ratio is 1:1~3:1.
In another scheme of the present utility model, the first bondline thickness scope is 10~50um.
In another scheme of the present utility model, it is common that the barrier layer is selected from polyolefin film, aluminium foil, ethylene-vinyl alcohol
One kind in polymers film, PVDC films, PET polyester films, the barrier material of aluminizer or PA membrane.
In another scheme of the present utility model, second adhesive layer and the 3rd adhesive layer are obstructed according to centre
Layer material is the thickness range of polyethylene layer or ethylene acrylic acid co polymer layer, second adhesive layer and the 3rd adhesive layer
It is 10~50um.
In another scheme of the present utility model, the outer membrane is made up of polyolefine material, the thickness model of the outer membrane
Enclose for 50~200um.The outer membrane can also need to add a certain proportion of color masterbatch according to client produces coloured outer membrane, such as
White outer membrane.
In another scheme of the present utility model, the polyolefine material is polyethylene and/or polypropylene.
Low absorption composite sheet provided by the utility model, can efficiently reduce the absorption of pack content, more great Cheng
The various small molecule compositions of the reservation content of degree, effectively increase the shelf-life of content.
Brief description of the drawings
Fig. 1 is the sheet structure figure of the low absorption composite soft tube of plastic-aluminum of the utility model embodiment one；
Fig. 2 is the sheet structure figure of the overall plastic low absorption composite soft tube of the utility model embodiment two.
Embodiment
, it is necessary to stability in view of production technology, production during the actual production and utilization of low absorption composite sheet
The factors such as the physical property of product.Therefore for the characteristics of more fully understanding the utility model, the utility model lists two implementations
Example, is designed into production process to sheet structure and is described.
Embodiment one：
The low absorption composite sheet (as shown in Figure 1) of plastic-aluminum, in the present embodiment, about 250 microns of sheet material gross thickness, its China and foreign countries
About 120 microns of film thickness, outer membrane 101 is designed as three-decker, and the polythene material such as high density that outer membrane is commonly used using market is gathered
Ethene, the material such as LLDPE, while the intermediate layer of outer membrane adds the color masterbatch of a small amount of white, the interlayer of outer membrane is thick
Degree is than being 1:1~3:1；The intermediate barrier layer of sheet material is 12 microns of aluminium foil barrier layer 103；Low absorption inner membrance 105 is monofilm
The ratio of structure, its medium high density polyethylene and metallocene linear-low density polyethylene in low absorption inner membrance is 10%:90%,
Low absorption inner film thickness is about 50 microns, and outer membrane and low absorption inner membrance are all produced by way of blown film.
Compound working procedure, composite sheet used in the present embodiment is combined, the first adhesive layer using twin-screw co-extrusion mode
201 are made up of low density polyethylene (LDPE) and metallocene linear-low density polyethylene, and ratio is 40%:60%；Second adhesive layer 202 is
Ethylene acrylic acid co polymer (EAA) layer；3rd adhesive layer 203 is the coextruded layer of polyethylene and ethylene acrylic acid co polymer (EAA),
By outer membrane 101 from main unwinding unit, by the first extrusion unit, by the 3rd adhesive layer, (203 are bonded in one with barrier layer 103
Rise, then unit is extruded by second, bonded while extruding the second adhesive layer 202 and the first adhesive layer 201 with low absorption inner membrance 105
Together, low absorption composite sheet is thus produced.
Extrude complex parameter as shown in table 1 below：
Table 1
It is common with similar to the same thickness that market the is common structure of low absorption composite sheet provided by the utility model
Composite sheet carries out low adsorption test respectively.The low adsorption test content is the common ordinary toothpaste lotion in market.
Under 50 DEG C of environment after saved 30 days, quantitative constituent analysis is carried out to the lotion in packaging.The utility model
Low absorption composite sheet to the absorption of all kinds of essence compared with the common composite sheet in market, the average reduction ratio of adsorption rate is shown
In table 2 below.The data obtained shows that low absorption composite sheet provided by the utility model has brighter for a variety of perfume ingredients
The effect of aobvious reduction absorption.
Table 2
Embodiment two：
Overall plastic low absorption composite sheet (as shown in Figure 2), outer membrane 111 is the polyethylene film of three-decker, and outer film thickness is about
For 150 microns；The intermediate barrier layer 113 of sheet material is ethylene vinyl alcohol copolymer film, and thickness is about 80 microns；Low absorption inner membrance
115 be the inner membrance of three-decker, and layer thickness ratio is 1:2:1, low absorption inner film thickness is about 150 microns, and its middle-high density gathers
The ratio of ethene and low density polyethylene (LDPE) in low absorption inner membrance is 35%:65%, sheet material gross thickness is about 425 microns, outer membrane
111 and it is low absorption inner membrance 115 produced by way of blown film.
Compound working procedure, composite sheet used in the present embodiment is still combined, the first adhesive layer using twin-screw coextrusion mode
211 are made up of low density polyethylene (LDPE) and metallocene linear-low density polyethylene, and ratio is 50%:50%；Second adhesive layer 212,
3rd adhesive layer 213 is polythene material layer.
Although the above is described in further detail to the utility model, and list correlation embodiment,
Application in other respects is still possible.In view of this, spirit and scope of the present utility model should not be limited to this explanation
Embodiment explanation in book.
Claims (8)
1. a kind of low absorption composite sheet for product packaging, it is characterised in that the structure of the composite sheet is wrapped from contact
Content-filled internal layer is outwards successively：It is low absorption inner membrance, the first adhesive layer, the second adhesive layer, barrier layer, the 3rd adhesive layer,
Outer membrane, wherein first adhesive layer is made up of polyethylene.
2. the low absorption composite sheet according to claim 1 for product packaging, it is characterised in that in the low absorption
Film is made up of the polythene material of single or multiple lift, and the thickness range of the low absorption inner membrance is 50~200um.
3. the low absorption composite sheet according to claim 2 for product packaging, it is characterised in that in the low absorption
Film is three layers or the multi-layer film structure more than three layers, and layer thickness ratio is 1:1~3:1.
4. the low absorption composite sheet according to any one of claim 1 to 3 for product packaging, it is characterised in that
The first bondline thickness scope is 10~50um.
5. the low absorption composite sheet according to any one of claim 1 to 3 for product packaging, it is characterised in that
The barrier layer is selected from polyolefin film, aluminium foil, ethylene vinyl alcohol copolymer film, PVDC films, PET polyester films, aluminizer or polyamides
One kind in the barrier material of amine film.
6. the low absorption composite sheet according to any one of claim 1 to 3 for product packaging, it is characterised in that
Second adhesive layer and the 3rd adhesive layer are polyethylene layer or ethylene acrylic acid co polymer according to intermediate barrier layer material
The thickness range of layer, second adhesive layer and the 3rd adhesive layer is 10~50um.
7. the low absorption composite sheet according to any one of claim 1 to 3 for product packaging, it is characterised in that
The outer membrane is made up of polyolefine material, and the thickness range of the outer membrane is 50~200um.
8. the low absorption composite sheet according to claim 7 for product packaging, it is characterised in that the polyolefin material
Expect for polyethylene or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284416.1U CN206394126U (en) | 2016-11-28 | 2016-11-28 | A kind of low absorption composite sheet for product packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284416.1U CN206394126U (en) | 2016-11-28 | 2016-11-28 | A kind of low absorption composite sheet for product packaging |
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| Publication Number | Publication Date |
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| CN206394126U true CN206394126U (en) | 2017-08-11 |
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| CN201621284416.1U Active CN206394126U (en) | 2016-11-28 | 2016-11-28 | A kind of low absorption composite sheet for product packaging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116000A (en) * | 2016-11-28 | 2018-06-05 | 爱索尔（广州）包装有限公司 | A kind of low adsorption composite sheet for product packaging |
| CN109927358A (en) * | 2019-04-12 | 2019-06-25 | 广东超维塑料薄膜有限公司 | A kind of high-barrier anti-extrusion all-plastic flexible sheet material and preparation method thereof |
-
2016
- 2016-11-28 CN CN201621284416.1U patent/CN206394126U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116000A (en) * | 2016-11-28 | 2018-06-05 | 爱索尔（广州）包装有限公司 | A kind of low adsorption composite sheet for product packaging |
| CN108116000B (en) * | 2016-11-28 | 2024-04-05 | 爱索尔（广州）包装有限公司 | Low-adsorption composite sheet for product packaging |
| CN109927358A (en) * | 2019-04-12 | 2019-06-25 | 广东超维塑料薄膜有限公司 | A kind of high-barrier anti-extrusion all-plastic flexible sheet material and preparation method thereof |
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