CN206242631U - Rice packaging composite membrane - Google Patents
Rice packaging composite membrane Download PDFInfo
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- CN206242631U CN206242631U CN201720240935.6U CN201720240935U CN206242631U CN 206242631 U CN206242631 U CN 206242631U CN 201720240935 U CN201720240935 U CN 201720240935U CN 206242631 U CN206242631 U CN 206242631U
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- layer
- composite membrane
- adhesive
- rice
- rice packaging
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Abstract
The utility model provides a kind of rice packaging composite membrane, and it uses layered combinations thereof structure, and the rice packaging composite membrane includes successively from outside to inside：Outer layer, the material of the outer layer is Biaxial tension polyethylene film；Adhesive layer, the material of the adhesive layer is adhesive for polyurethane；Barrier layer, the material of the barrier layer is polyvinyl alcohol；Internal layer, the material of the internal layer is metallocene PE；The outer layer, the adhesive layer, the barrier layer and the internal layer bonding connection successively.Rice packaging of the present utility model is with composite membrane barrier is high, low cost, drop impact resistance can excellent and recyclability it is good, the application of the composite membrane of alternative BON biaxially oriented nylon film and polyethylene film on rice package bag.
Description
Technical field
The utility model is related to packaging material, more particularly to a kind of rice packaging composite membrane.
Background technology
Rice is that one of product for preserving is most difficult in grain, because rice loses the protection of cot, nutriment is direct
Exposure outside, to external world temperature, humidity, gas componant influence it is more sensitive, hygroscopicity is strong, content of molds is more, nutriment generation
Thank to speed, easily occur ageing, heating go mouldy, insect pest, quality deterioration the problems such as.Under summer high temperature, super-humid conditions, greatly
Meter Chen Hua, the speed gone mouldy are accelerated, and cause the increase of rice acidity, viscosity to decline, so that losing edibility.Rice after ageing
Not only edible quality is inferior, and is likely to containing some fatal toxin such as aspergillus flavus, and the toxicity of aflatoxin is cyanogen
Change potassium 10 times, are 68 times of arsenic, and with very strong carcinogenicity, the health and lives to consumer constitute great prestige
The side of body.
The purpose of preserving rice packing technique is exactly to prevent rice infested, long during market circulation and consumer are edible
It is mould, delay its ageing speed.The rice packaging sold in supermarket mainly has two kinds of forms, and one is film woven bag packaging, and two are
BON biaxially oriented nylon film and polyethylene film compound membrane bag packaging (what is had vacuumizes).Film woven bag only has certain moistureproof
Mildew-proof function, but do not possess resistance oxygen ability, the shelf-life is shorter；BON biaxially oriented nylon film/polyethylene film compound membrane bag is moistureproof
Gas defence ability is preferable, but packaging material are relatively costly, and the ability of blocking oxygen is also poor.
The rice of supermarket's sale is mostly mono- bag of 5KG, 10KG, to higher, the internal layer PE used of drop impact resistance requirement of packaging bag
Thickness all more than 80 microns, because BON biaxially oriented nylon film is more expensive, polyethylene film it is again thicker, so packing cost is occupied
It is high not under.Because BON biaxially oriented nylon film/polyethylene film composite membrane tearing strength is low after compound, people is generally needed at handle
Work adds built-in button or external button, and to increase resistance to the putting forward property of handle, operating efficiency is relatively low.
In addition, BON biaxially oriented nylon film and polyethylene film composite membrane are due to being two kinds of composites of different materials,
So the difference that is recycled, can not recycle and reuse.
Utility model content
The technical problems to be solved in the utility model is the BON biaxially oriented nylon film and poly- second in order to overcome prior art
Alkene thin-film composite membrane barrier is low, high cost, the defect that tearing toughness is low and recyclability is poor, there is provided a kind of rice packaging is used
Composite membrane.
The utility model is to solve above-mentioned technical problem by following technical proposals：
A kind of rice packaging composite membrane, its feature is that it uses layered combinations thereof structure, and the rice packaging is used compound
Film includes successively from outside to inside：
Outer layer, the material of the outer layer is Biaxial tension polyethylene film；
Adhesive layer, the material of the adhesive layer is adhesive for polyurethane；
Barrier layer, the material of the barrier layer is polyvinyl alcohol；
Internal layer, the material of the internal layer is metallocene PE；
The outer layer, the adhesive layer, the barrier layer and the internal layer bonding connection successively.
It is preferred that the one side of the direction of the internal layer outer layer carries out sided corona treatment.
It is preferred that the adhesive for polyurethane is no-solvent type adhesive for polyurethane.
It is preferred that the thickness of the outer layer is 20-45 microns.
It is preferred that the coated weight of the adhesive layer is 1.0-1.8 grams/m.
It is preferred that the coated weight of the barrier layer is 0.6-1.0 grams/m.
It is preferred that the thickness of the internal layer is 60-100 microns.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, obtain final product the utility model it is each compared with
Good example.
Positive effect of the present utility model is：Rice packaging of the present utility model with composite membrane barrier it is high, into
This is low, drop impact resistance excellent and recyclability of energy is good, and the composite membrane of alternative BON biaxially oriented nylon film and polyethylene film exists
Application on rice package bag.
Brief description of the drawings
Fig. 1 is the structural representation of the rice packaging composite membrane of the utility model preferred embodiment.
Description of reference numerals：
Outer layer 1
Internal layer 2
Barrier layer 3
Adhesive layer 4
Specific embodiment
Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.
The rice packaging composite membrane of the present embodiment is as shown in figure 1, it uses layered combinations thereof structure.Rice packaging is used compound
Film includes outer layer 1, adhesive layer 4, barrier layer 3 and internal layer 2 successively from outside to inside.
The material of outer layer 1 is Biaxial tension polyethylene film, with tensile strength and elongation higher.Biaxial tension gathers
The price of vinyl film is low compared with BON biaxially oriented nylon film, and density of material is relatively low.Same thickness composite membrane compares, two-way drawing
Stretching polyethylene film has low cost.The elongation at break of Biaxial tension polyethylene film is higher, strength and toughness and and have
It, it is all with preferable anti-dropping capability.The thickness of outer layer 1 is 20-45 microns, and the printable ink layer in its inner side is used as decoration
Pattern.
The material of internal layer 2 is metallocene PE.In alternative other embodiment, the material of internal layer 2 can be low
Density polyethylene or LLDPE, or be low density polyethylene (LDPE), LLDPE, metallocene PE
Blending coextruded film.The one side towards outer layer 1 of internal layer 2 carries out sided corona treatment.The thickness of internal layer 2 is 60-100 microns.
The material of barrier layer 3 is polyvinyl alcohol, with high oxygen barrier property.The oxygen of polyethylene coating is passed through
Rate is less than or equal to 2ml/ (m224h0.1MPa), it is BON biaxially oriented nylon film resistance more than ten times of oxygen ability, with reference to poly-
The preferable moisture resistance of vinyl material, with splendid barrier property.Barrier layer 3 is coated on the corona surface of internal layer 2.Barrier layer 3
Coated weight be 0.6-1.0 grams/m.
The material of adhesive layer 4 is adhesive for polyurethane.Preferably, the material of adhesive layer 4 is no-solvent polyurethane adhesive.
It is highly preferred that the material of adhesive layer 4 is double component solvent-free polyurethane adhesive.Adhesive layer 4 be located at outer layer 1 and barrier layer 3 it
Between.The coated weight of adhesive layer 4 is 1.0-1.8 grams/m, and effect is that the internal layer 2 that will be coated with barrier layer 3 is bonded with outer layer 1
Together.Adhesive layer 4 uses solvent-free combination process, has the advantages that environmental protection, no solvent residue.
Outer layer 1 and internal layer 2 are polyethylene materials.Adhesive layer 4 is only 2-3 microns with the thickness of barrier layer 3, and material can
Recycling, with the preferable feature of environmental protection.
The layered combinations thereof structure of the rice packaging composite membrane of the present embodiment has four layers, wherein outer layer 1, adhesive layer 4, resistance
Interlayer 3 and internal layer 2 bonding connection successively.The tearing strength of the composite membrane of the present embodiment is far above BON biaxially oriented nylon film and gathers
Vinyl film composite membrane, directly rushed on edge sealing wide hand-held hole can meet carry extension require, be not required to fill in attacker.
The rice packaging of the present embodiment is with composite membrane barrier is high, low cost, drop impact resistance can excellent and recyclability it is good,
Application of the composite membrane of alternative BON biaxially oriented nylon film and polyethylene film on rice package bag.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these implementation methods,
But these changes and modification each fall within protection domain of the present utility model.
Claims (7)
1. a kind of rice packaging composite membrane, it is characterised in that it uses layered combinations thereof structure, the rice packaging composite membrane
Include successively from outside to inside：
Outer layer, the material of the outer layer is Biaxial tension polyethylene film；
Adhesive layer, the material of the adhesive layer is adhesive for polyurethane；
Barrier layer, the material of the barrier layer is polyvinyl alcohol；
Internal layer, the material of the internal layer is metallocene PE；
The outer layer, the adhesive layer, the barrier layer and the internal layer bonding connection successively.
2. rice packaging composite membrane as claimed in claim 1, it is characterised in that the adhesive for polyurethane is no-solvent type
Adhesive for polyurethane.
3. rice packaging composite membrane as claimed in claim 1, it is characterised in that the one of the direction outer layer of the internal layer
Face carries out sided corona treatment.
4. rice packaging composite membrane as claimed in claim 1, it is characterised in that the thickness of the outer layer is 20-45 microns.
5. rice packaging composite membrane as claimed in claim 1, it is characterised in that the coated weight of the adhesive layer is 1.0-
1.8 grams/m.
6. rice packaging composite membrane as claimed in claim 1, it is characterised in that the coated weight of the barrier layer is 0.6-
1.0 grams/m.
7. rice packaging composite membrane as claimed in claim 1, it is characterised in that the thickness of the internal layer is that 60-100 is micro-
Rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720240935.6U CN206242631U (en) | 2017-03-13 | 2017-03-13 | Rice packaging composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720240935.6U CN206242631U (en) | 2017-03-13 | 2017-03-13 | Rice packaging composite membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206242631U true CN206242631U (en) | 2017-06-13 |
Family
ID=59009101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720240935.6U Active CN206242631U (en) | 2017-03-13 | 2017-03-13 | Rice packaging composite membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206242631U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995333A (en) * | 2018-08-14 | 2018-12-14 | 重庆科欣塑料有限公司 | A kind of BOPE high-barrier composite membrane and packaging material and packaging product comprising it |
| CN109705386A (en) * | 2018-12-27 | 2019-05-03 | 海南赛诺实业有限公司 | A kind of polyvinyl alcohol coated film and its manufacturing method |
| WO2019085375A1 (en) * | 2017-11-03 | 2019-05-09 | 陈煜旸 | Universal easy-to-tear thin film and processing method and production line therefor |
| CN113002100A (en) * | 2021-03-31 | 2021-06-22 | 海南必凯水性新材料有限公司 | High-barrier composite film and preparation method thereof |
-
2017
- 2017-03-13 CN CN201720240935.6U patent/CN206242631U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085375A1 (en) * | 2017-11-03 | 2019-05-09 | 陈煜旸 | Universal easy-to-tear thin film and processing method and production line therefor |
| CN108995333A (en) * | 2018-08-14 | 2018-12-14 | 重庆科欣塑料有限公司 | A kind of BOPE high-barrier composite membrane and packaging material and packaging product comprising it |
| CN109705386A (en) * | 2018-12-27 | 2019-05-03 | 海南赛诺实业有限公司 | A kind of polyvinyl alcohol coated film and its manufacturing method |
| CN113002100A (en) * | 2021-03-31 | 2021-06-22 | 海南必凯水性新材料有限公司 | High-barrier composite film and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Haishun New Material Co., Ltd Assignor: Shanghai Haishun New Pharmaceutical Packaging Co., Ltd. Contract record no.: X2019980000291 Denomination of utility model: Complex film is used to rice packing Granted publication date: 20170613 License type: Exclusive License Record date: 20191023 |