CN206501510U - A kind of high leakproofness preservative film - Google Patents
A kind of high leakproofness preservative film Download PDFInfo
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- CN206501510U CN206501510U CN201720080395.XU CN201720080395U CN206501510U CN 206501510 U CN206501510 U CN 206501510U CN 201720080395 U CN201720080395 U CN 201720080395U CN 206501510 U CN206501510 U CN 206501510U
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- density polyethylene
- polyethylene layer
- low density
- preservative film
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Abstract
The utility model is related to encapsulant technical field, specifically related to a kind of high leakproofness preservative film, including the first high-density polyethylene layer being sequentially connected from top to bottom, the first paraffin layer, the first low density polyethylene layer, linear low density polyethylene layer, the second low density polyethylene layer, the second paraffin layer and the second high-density polyethylene layer, high hydroscopic resin layer is folded with the linear low density polyethylene layer；The preservative film is composited using the polyethylene layer of multilayer different densities plus paraffin layer and super absorbent resin lipid layer, good airproof performance, the empty gas and water outside food and preservative film that can be effectively isolated in preservative film slow down rotting for food, the fresh keeping time of food is extended, practicality is good；In addition, the good toughness of the preservative film, intensity is high, not cracky, and reliability is high.
Description
Technical field
The utility model is related to encapsulant technical field, and in particular to a kind of high leakproofness preservative film.
Background technology
Preservative film is a kind of encapsulant for packaged food.Existing preservative film sealing is low, it is impossible to be effectively isolated
The empty gas and water outside food and preservative film in preservative film so that food is contacted with empty gas and water, accelerates rotting for food, causes
The fresh keeping time of food is short, there is improved necessity.
Utility model content
The purpose of this utility model is, there is provided a kind of high leakproofness preservative film, to be somebody's turn to do for above-mentioned deficiency of the prior art
Preservative film is composited using the polyethylene layer of multilayer different densities plus paraffin layer and super absorbent resin lipid layer, good airproof performance, energy
The empty gas and water outside food and preservative film being enough effectively isolated in preservative film, slow down rotting for food, extends the fresh-keeping of food
Time, practicality is good；In addition, the good toughness of the preservative film, intensity is high, not cracky, and reliability is high.
The purpose of this utility model is achieved through the following technical solutions.
A kind of high leakproofness preservative film, including be sequentially connected from top to bottom the first high-density polyethylene layer, the first paraffin
Layer, the first low density polyethylene layer, linear low density polyethylene layer, the second low density polyethylene layer, the second paraffin layer and second
High hydroscopic resin layer is folded with high-density polyethylene layer, the linear low density polyethylene layer.
Wherein, the area of the super absorbent resin lipid layer is the 80-90% of the area of the linear low density polyethylene layer, institute
State 60-80% of the thickness of super absorbent resin lipid layer for the thickness of the linear low density polyethylene layer.
Wherein, the super absorbent resin lipid layer is polyacrylic super absorbent resin lipid layer.
Wherein, the first polypropylene is provided between first low density polyethylene layer and the linear low density polyethylene layer
Layer, first low density polyethylene layer and the linear low density polyethylene layer are fixed with first polypropylene layer respectively to be connected
Connect.
Wherein, the second polypropylene is provided between second low density polyethylene layer and the linear low density polyethylene layer
Layer, second low density polyethylene layer and the linear low density polyethylene layer are fixed with second polypropylene layer respectively to be connected
Connect.
Wherein, the first flame-retardant layer, described the are provided between first high-density polyethylene layer and first paraffin layer
One high-density polyethylene layer and first paraffin layer are fixedly connected with first flame-retardant layer respectively.
Wherein, the second flame-retardant layer, described the are provided between second high-density polyethylene layer and second paraffin layer
Two high-density polyethylene layers and second paraffin layer are fixedly connected with second flame-retardant layer respectively.
Wherein, first flame-retardant layer and second flame-retardant layer include magnesium hydroxide layer and aluminum hydroxide layer, described
Magnesium hydroxide layer is fixedly connected with the aluminum hydroxide layer.
Wherein, the first anti oxidation layer, second high density polyethylene (HDPE) are folded with first high-density polyethylene layer
The second anti oxidation layer is folded with layer.
Wherein, first anti oxidation layer and second anti oxidation layer are antioxidant 1076 layer.
The beneficial effects of the utility model：A kind of high leakproofness preservative film of the present utility model, the preservative film uses multilayer
The polyethylene layer of different densities is composited plus paraffin layer and super absorbent resin lipid layer, and good airproof performance can be effectively isolated fresh-keeping
The empty gas and water outside food and preservative film in film, slow down rotting for food, extends the fresh keeping time of food, practicality is good；
In addition, the good toughness of the preservative film, intensity is high, not cracky, and reliability is high.
Brief description of the drawings
Utility model is described further using accompanying drawing, but the embodiment in accompanying drawing is not constituted to of the present utility model
What is limited, on the premise of not paying creative work, can also be according to the following drawings for one of ordinary skill in the art
Obtain other accompanying drawings that spread out.
Fig. 1 is structural representation of the present utility model.
Reference includes：
1 --- the first high-density polyethylene layer 2 --- first paraffin layer
3 --- the first low density polyethylene layer 4 --- linear low density polyethylene layers
5 --- the second low density polyethylene layer 6 --- second paraffin layers
7 --- the second high-density polyethylene layer 8 --- super absorbent resin lipid layer.
Embodiment
The utility model is further described with accompanying drawing with the following Examples.
Embodiment 1
As shown in figure 1, a kind of high leakproofness preservative film of the present embodiment, including first be sequentially connected from top to bottom are highly dense
Polyethylene layer 1, the first paraffin layer 2, the first low density polyethylene layer 3, linear low density polyethylene layer 4, the second low-density is spent to gather
High suction is folded with pvdf layer 5, the second paraffin layer 6 and the second high-density polyethylene layer 7, the linear low density polyethylene layer 4
Water tree lipid layer 8；The area of super absorbent resin lipid layer 8 is the 80-90% of the area of the linear low density polyethylene layer 4, the height
The thickness of water-absorbing resin layer 8 is the 60-80% of the thickness of the linear low density polyethylene layer 4.
The preservative film is composited using the polyethylene layer of multilayer different densities plus paraffin layer and super absorbent resin lipid layer 8,
Good airproof performance, the empty gas and water outside food and preservative film that can be effectively isolated in preservative film slow down rotting for food, extension
The fresh keeping time of food, practicality is good；In addition, the good toughness of the preservative film, intensity is high, not cracky, and reliability is high.
The super absorbent resin lipid layer 8 of the present embodiment is polyacrylic super absorbent resin lipid layer 8.High hydroscopic resin is that a class contains
Hydrophilic radical and the big of cross-linked structure are divided, and are spread out again through saponification system using starch-grafted polyacrylonitrile by Fanta etc. earliest.By original
Material is divided, and has starch-series (graft, carboxy methylation etc.), cellulose-based (carboxy methylation, graft etc.), synthetic polymer system
(polyacrylic, polyethenol series, polyoxyethylene system etc.) several major classes.Wherein polyacrylic high hydroscopic resin compared with starch-series and
It is cellulose-based to compare, with production cost is low, technique is simple, production efficiency is high, water absorbing capacity is strong, shelf life of products length etc. one be
Row advantage, the study hotspot as the current field.In the high hydroscopic resin production of the current world, polyacrylic accounts for 80%.
Gather between first low density polyethylene layer 3 and the linear low density polyethylene layer 4 of the present embodiment provided with first
Propylene layer, first low density polyethylene layer 3 and the linear low density polyethylene layer 4 respectively with first polypropylene layer
It is fixedly connected；The second polypropylene layer, institute are provided between second low density polyethylene layer 5 and the linear low density polyethylene layer 4
The second low density polyethylene layer 5 and the linear low density polyethylene layer 4 is stated to be fixedly connected with second polypropylene layer respectively.
The setting structure is simple, it is easy to be molded, and can further strengthen the sealing and structural strength of preservative film, and practicality is good.
The first flame-retardant layer is provided between first high-density polyethylene layer 1 and first paraffin layer 2 of the present embodiment, it is described
First high-density polyethylene layer 1 and first paraffin layer 2 are fixedly connected with first flame-retardant layer respectively；Second high density is gathered
The second flame-retardant layer, second high-density polyethylene layer 7 and described second are provided between pvdf layer 7 and second paraffin layer 6
Paraffin layer 6 is fixedly connected with second flame-retardant layer respectively.The setting structure is simple, it is easy to be molded, it is possible to increase preservative film
Fire resistance, fire protecting performance is good, safe.
First flame-retardant layer of the present embodiment and second flame-retardant layer include magnesium hydroxide layer and aluminum hydroxide layer, described
Magnesium hydroxide layer is fixedly connected with the aluminum hydroxide layer.The flame-retardant layer that magnesium hydroxide layer and aluminum hydroxide layer are composited is fire-retardant
Effect is good, and reliability is high.
The first anti oxidation layer, second high-density polyethylene are folded with first high-density polyethylene layer 1 of the present embodiment
The second anti oxidation layer is folded with alkene layer 7.The setting structure is simple, it is easy to be molded, it is possible to increase the antioxygenic property of preservative film,
Postpone the resting period of preservative film, practicality is good.
First anti oxidation layer of the present embodiment and second anti oxidation layer are antioxidant 1076 layer.Antioxidant 1076,
White or micro- yellow crystalline powder, fusing point is 50-55 DEG C, nontoxic, water insoluble, dissolves in benzene, acetone, ethane and esters etc. molten
Agent.Can as the resins such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, polyamide, ABS and acrylic acid antioxidant.Tool
There are the characteristics such as antioxidant good, volatility is small, wash resistant.General consumption is not more than 0.5%；It can be used as packaging material for food shaping use
Auxiliary agent.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
Lead to it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent substitution, without departing from this
The spirit and scope of utility model technical scheme.
Claims (10)
1. a kind of high leakproofness preservative film, it is characterised in that：Including be sequentially connected from top to bottom the first high-density polyethylene layer,
First paraffin layer, the first low density polyethylene layer, linear low density polyethylene layer, the second low density polyethylene layer, the second paraffin
High hydroscopic resin layer is folded with layer and the second high-density polyethylene layer, the linear low density polyethylene layer.
2. a kind of high leakproofness preservative film according to claim 1, it is characterised in that：The area of the super absorbent resin lipid layer
For the 80-90% of the area of the linear low density polyethylene layer, the thickness of the super absorbent resin lipid layer is described linear low close
Spend the 60-80% of the thickness of polyethylene layer.
3. a kind of high leakproofness preservative film according to claim 2, it is characterised in that：The super absorbent resin lipid layer is poly- third
Olefin(e) acid system super absorbent resin lipid layer.
4. a kind of high leakproofness preservative film according to claim 3, it is characterised in that：First low density polyethylene layer
It is provided with the first polypropylene layer between the linear low density polyethylene layer, first low density polyethylene layer and described linear
Low density polyethylene layer is fixedly connected with first polypropylene layer respectively.
5. a kind of high leakproofness preservative film according to claim 4, it is characterised in that：Second low density polyethylene layer
It is provided with the second polypropylene layer between the linear low density polyethylene layer, second low density polyethylene layer and described linear
Low density polyethylene layer is fixedly connected with second polypropylene layer respectively.
6. a kind of high leakproofness preservative film according to claim 5, it is characterised in that：First high-density polyethylene layer
The first flame-retardant layer, first high-density polyethylene layer and first paraffin layer difference are provided between first paraffin layer
It is fixedly connected with first flame-retardant layer.
7. a kind of high leakproofness preservative film according to claim 6, it is characterised in that：Second high-density polyethylene layer
The second flame-retardant layer, second high-density polyethylene layer and second paraffin layer difference are provided between second paraffin layer
It is fixedly connected with second flame-retardant layer.
8. a kind of high leakproofness preservative film according to claim 7, it is characterised in that：First flame-retardant layer and described
Two flame-retardant layers include magnesium hydroxide layer and aluminum hydroxide layer, and the magnesium hydroxide layer is fixedly connected with the aluminum hydroxide layer.
9. a kind of high leakproofness preservative film according to claim 8, it is characterised in that：First high-density polyethylene layer
Inside it is folded with the first anti oxidation layer, second high-density polyethylene layer and is folded with the second anti oxidation layer.
10. a kind of high leakproofness preservative film according to claim 9, it is characterised in that：First anti oxidation layer and institute
It is antioxidant 1076 layer to state the second anti oxidation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720080395.XU CN206501510U (en) | 2017-01-20 | 2017-01-20 | A kind of high leakproofness preservative film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720080395.XU CN206501510U (en) | 2017-01-20 | 2017-01-20 | A kind of high leakproofness preservative film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206501510U true CN206501510U (en) | 2017-09-19 |
Family
ID=59834569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720080395.XU Expired - Fee Related CN206501510U (en) | 2017-01-20 | 2017-01-20 | A kind of high leakproofness preservative film |
Country Status (1)
| Country | Link |
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| CN (1) | CN206501510U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455053A (en) * | 2018-02-09 | 2018-08-28 | 刘东华 | A kind of special bacteriostasis, preservation bag of strawberry and its preservation method |
| CN110436039A (en) * | 2019-08-13 | 2019-11-12 | 广州市精合致新材料科技有限公司 | A kind of packaging bag of LED-UV ink-jet printing ink |
-
2017
- 2017-01-20 CN CN201720080395.XU patent/CN206501510U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455053A (en) * | 2018-02-09 | 2018-08-28 | 刘东华 | A kind of special bacteriostasis, preservation bag of strawberry and its preservation method |
| CN108455053B (en) * | 2018-02-09 | 2023-09-29 | 刘东华 | Special bacteriostatic fresh-keeping bag for strawberries and fresh-keeping method thereof |
| CN110436039A (en) * | 2019-08-13 | 2019-11-12 | 广州市精合致新材料科技有限公司 | A kind of packaging bag of LED-UV ink-jet printing ink |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20190120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |