CN203726942U - Insect-resistant antibacterial refreshing packaging film for agricultural products - Google Patents
Insect-resistant antibacterial refreshing packaging film for agricultural products Download PDFInfo
- Publication number
- CN203726942U CN203726942U CN201320526491.4U CN201320526491U CN203726942U CN 203726942 U CN203726942 U CN 203726942U CN 201320526491 U CN201320526491 U CN 201320526491U CN 203726942 U CN203726942 U CN 203726942U
- Authority
- CN
- China
- Prior art keywords
- insect
- layer
- refreshing
- antibacterial
- packaging film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an insect-resistant antibacterial refreshing packaging film for agricultural products. The insect-resistant antibacterial refreshing packaging film is of a composite layer structure. The insect-resistant antibacterial refreshing packaging film is characterized in that the composite layer structure consists of a base body layer positioned at the outer layer, an insect-resistant antibacterial slow-release layer positioned at the middle layer and a surface antibacterial function layer positioned at the inner layer. The insect-resistant antibacterial slow-release layer is a blended material of polyethylene and a double-component compound of calcium sulfite and sodium sulfite, the blended material can react with water permeating out from the inner layer, and releases SO2, and then the SO2 component permeates into the inner spaces of packaged fruit and vegetable products so as to play insect-resistant and antibacterial roles; the inner layer of the refreshing packaging film is the surface antibacterial function layer which is a blended material of polyethylene resin and silver-loaded zeolite, and by slow release of Ag<+> ions, the breeding of microorganisms is prevented and the sterilization effect is achieved. The insect-resistant antibacterial refreshing packaging film disclosed by the utility model has the advantages that the insect-resistant and antibacterial functions are lasting, the suitability for refreshing package of the fruits and the vegetables with longer refreshing period is achieved, the insect damage and the phenomenon of decaying acceleration caused by breeding of the microorganisms can be effectively prevented and the refreshing period can be prolonged.
Description
Technical field
The utility model relates to a kind of packing film, particularly a kind of agricultural products fresh-keeping packaging film with insect protected bacteria resistance function.
Background technology
Fresh-keeping is that appropriateness maintains the vital movement of fruits and vegetables for fruits and vegetables provide suitable storage environment, and the process delaying senility keeps fruits and vegetables freshness, fragrance and outward appearance, and ample supply of vegetables in the off seasons, the busy season is not rotten to reach fruit and vegetable food.Fruits and vegetables storage at present and fresh-keeping method mainly contain deepfreeze, controlled atmosphere, irradiation, chemical sterilization and preservative film packaging etc., but because first three is planted, investment is large, cost is high, still can not popularize; And how many chemicals sterilizations can pollute to fruits and vegetables, human body is brought to adverse effect; Comparatively speaking, preservative film packing method has the advantages such as cost is low, simple to operate, widely applicable, successful, is widely used.At present, the fresh-keeping packaging research of agricultural product mainly concentrates on the aspects such as the absorption eliminating, moisture permeability, carbon dioxide/permeability, the antifog property of film of controlled atmospheric packing, pernicious gas, but the preserving fruit and vegetable utilizing of growing for freshness date, particularly require the fruits and vegetables of selling wrong season, freshness date requires may be up to more than the several months.In the antistaling storing phase so long, when harvesting, be attached to insect pest and the various microorganism possibility amount reproduction of fruit and vegetable surfaces or inside and discharge harmful toxins, when plucking galled spots, damage or have the fruit and vegetable food of otch, these wounds can infect harmful microorganism very soon and present acceleration putrefactive phenomenon.Therefore need to use the extra package with insect protected bacteria resistance function, with the shelf-life of significant prolongation agricultural product.
Utility model content
The utility model is used for solving the defect of above-mentioned prior art, provides a kind of and extend the agricultural products fresh-keeping phase, can effectively prevent the agricultural product insect protected bacteriostasis, preservation packaging film of the acceleration fruits and vegetables putrefactive phenomenon that insect pest and microbial reproduction cause.
The alleged problem of the utility model solves by the following technical programs:
A kind of agricultural product insect protected bacteriostasis, preservation packaging film, it be lamination layer structure, special feature is: described layer of structure by being positioned at outer field base layer, the surperficial bacteria resistance function layer that is positioned at the antibacterial slow release layer of insect protected in middle level and is positioned at internal layer forms.
Above-mentioned agricultural product insect protected bacteriostasis, preservation packaging film, the thickness of described base layer is 10-20 micron, and the thickness of the antibacterial slow release layer of described insect protected is 20-50 micron, and the thickness of described surperficial bacteria resistance function layer is 10-20 micron.
Above-mentioned agricultural product insect protected bacteriostasis, preservation packaging film, described surperficial bacteria resistance function layer is Antibiotic Membrane.
Above-mentioned agricultural product insect protected bacteriostasis, preservation packaging film, the antibacterial slow release layer of described insect protected is that sulfur dioxide produces film.
Above-mentioned agricultural product insect protected bacteriostasis, preservation packaging film, the particle diameter of the zeolite with carrying silver particulate containing in described Antibiotic Membrane is 20-100nm.
Above-mentioned agricultural product insect protected bacteriostasis, preservation packaging film, the particle diameter of the calcium sulfite particulate containing in described sulfur dioxide generation film is that the particle diameter of 50-200 nm, sodium sulfite particulate is 50-200 nm.
The utility model, for extending agricultural products fresh-keeping phase problem, provides a kind of fresh-keeping packaging film.Institute's fresh-keeping packaging film is lamination layer structure, and the antibacterial slow release layer of its middle level insect protected is the blend of polyethylene and calcium sulfite and sodium sulfite bi-component compound, can react with the moisture infiltrating from internal layer, discharges SO
2, SO
2composition penetrates into the inner space of having packed fruit and vegetable food, plays insect protected bacteriostasis.Described fresh-keeping packaging film inner layer is surperficial bacteria resistance function layer, and it is the blend of polyvinyl resin and zeolite with carrying silver, is stoped the breeding of microorganism and is played bactericidal action by slowly-releasing Ag+ ion.The utlity model has lasting insect protected bacteria resistance function, the Fresh-keeping Packaging for Fruits and Vegetables that applicable freshness date is grown, can effectively prevent the acceleration putrefactive phenomenon that insect pest and microbial reproduction cause, prolongs storage period.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model (local amplification).
Attached number in the figure is as follows: 1, base layer; 2, the antibacterial slow release layer of insect protected; 2-1 calcium sulfite and sodium sulfite particulate; 3, surperficial bacteria resistance function layer; 3-1, zeolite with carrying silver particulate.
Detailed description of the invention
Referring to Fig. 1, agricultural product insect protected bacteriostasis, preservation packaging film described in the utility model is layer structure, and it is made up of three structure sheafs that are admittedly integrated, and three structure sheafs are followed successively by from outside to inside: base layer 1, the antibacterial slow release layer 2 of insect protected, surperficial bacteria resistance function layer 3.Above-mentioned three structure sheaf coextrusion are combined with each other.
The thickness of described base layer 1 is 10-20 micron, and it is that surface can carry out carrying out compound with other thin-film materials after online sided corona treatment by the blend of one or more materials of the materials such as low density polyethylene (LDPE), LLDPE, polyethylene elastomer.
The thickness of described surperficial bacteria resistance function layer 3 is 10-20 micron, and surperficial bacteria resistance function layer is the Antibiotic Membrane of distribution zeolite with carrying silver particulate 3-1, and the particle diameter of zeolite with carrying silver particulate is 20-100nm.This layer is the blend of polyvinyl resin and zeolite with carrying silver, and zeolite with carrying silver is silver nitrate, silver iodide etc. and the bond of Zeolite support.Stop the breeding of microorganism and play bactericidal action by slowly-releasing Ag+ ion.Antifungal mechanism is: the metal ion of stripping, particularly ion is combined with cell membrane and memebrane protein, make stereochemical structure damage (metamorphosis), produce at short notice dysfunction, and arrive the combination of enzyme in intracellular metal ion and cell, destroyed space structure and the activity of enzyme, the metabolism of microorganism can not be carried out, thereby plays sterilization and antibacterial effect.
The thickness of the antibacterial slow release layer 2 of described insect protected is 20-50 micron, and the antibacterial slow release layer of insect protected is that the sulfur dioxide of distribution calcium sulfite and sodium sulfite particulate 2-1 produces film.The particle diameter of calcium sulfite particulate is 50-200 nm, and the particle diameter of sodium sulfite particulate is 50-200 nm.This layer is the blend of polyethylene and calcium sulfite and sulphite bi-component compound, and it reacts with the moisture infiltrating from internal layer, discharges SO
2, SO
2composition penetrates into the inner space of having packed fruit and vegetable food, plays insect protected bacteriostasis.Because moisture is slowly to penetrate into intermediate layer to contact and react with sodium sulfite with calcium sulfite in shelf time, so SO
2composition has the feature of long-acting slow release, thereby makes packaging bag have long-acting insect protected fungistatic effect.
The utility model can be processed into bag, or is directly used in agricultural products fresh-keeping packaging.
Claims (2)
1. an agricultural product insect protected bacteriostasis, preservation packaging film, it is lamination layer structure, it is characterized in that: described layer structure by being positioned at outer field base layer (1), be positioned at the antibacterial slow release layer of insect protected (2) in middle level and be positioned at surperficial bacteria resistance function layer (3) formation of internal layer; Described surperficial bacteria resistance function layer (3) is Antibiotic Membrane; The antibacterial slow release layer of described insect protected (2) is sulfur dioxide generation film.
2. agricultural product insect protected bacteriostasis, preservation packaging film according to claim 1, it is characterized in that: the thickness of described base layer (1) is 10-20 micron, the thickness of the antibacterial slow release layer of described insect protected (2) is 20-50 micron, and the thickness of described surperficial bacteria resistance function layer (3) is 10-20 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526491.4U CN203726942U (en) | 2013-08-28 | 2013-08-28 | Insect-resistant antibacterial refreshing packaging film for agricultural products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526491.4U CN203726942U (en) | 2013-08-28 | 2013-08-28 | Insect-resistant antibacterial refreshing packaging film for agricultural products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726942U true CN203726942U (en) | 2014-07-23 |
Family
ID=51197046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320526491.4U Expired - Fee Related CN203726942U (en) | 2013-08-28 | 2013-08-28 | Insect-resistant antibacterial refreshing packaging film for agricultural products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203726942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857919A (en) * | 2017-10-11 | 2018-03-30 | 南京财经大学 | A kind of food antibacterial fresh-keeping packaging material with sustained release performance and preparation method thereof |
| CN109367633A (en) * | 2018-11-15 | 2019-02-22 | 盐城市华悦汽车部件有限公司 | A kind of automobile stand column flow-guiding structure |
-
2013
- 2013-08-28 CN CN201320526491.4U patent/CN203726942U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857919A (en) * | 2017-10-11 | 2018-03-30 | 南京财经大学 | A kind of food antibacterial fresh-keeping packaging material with sustained release performance and preparation method thereof |
| CN109367633A (en) * | 2018-11-15 | 2019-02-22 | 盐城市华悦汽车部件有限公司 | A kind of automobile stand column flow-guiding structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ghidelli et al. | Recent advances in modified atmosphere packaging and edible coatings to maintain quality of fresh-cut fruits and vegetables | |
| CN107183158B (en) | Fruit vegetables flowers card that keeps fresh with fresh-keeping function | |
| KR102165310B1 (en) | Functional film, functional container, and freshness maintenance method | |
| CN102475121A (en) | Sterilization and fresh-keeping method of fruits and vegetables | |
| Mehyar et al. | Active packaging for fresh‐cut fruits and vegetables | |
| Baldevraj et al. | Incorporation of chemical antimicrobial agents into polymeric films for food packaging | |
| CN105432779B (en) | A kind of ethylene absorbent and preparation method thereof for banana fresh-keeping | |
| CN110122562B (en) | Living body compound preservation method for dendrocalamus latiflorus shoots with shells | |
| CN203726942U (en) | Insect-resistant antibacterial refreshing packaging film for agricultural products | |
| CN108024528A (en) | Application including citral, hexanal and linalool antimicrobial compositions as active component and in packaging micro Process fruit or vegetables | |
| Chitranshi et al. | Sustainable botanical products for safe post-harvest management of perishable produce: A review | |
| CN108864465A (en) | A kind of graphene oxide antimicrobial preservative film | |
| CN104365822A (en) | Method for keeping south grape fresh by using plant essential oil | |
| CN103478239A (en) | Preservation method of strawberry | |
| KR101297647B1 (en) | Packaging method for dried persimons | |
| CN100353871C (en) | Granular concave rod alcohol antistaling agent | |
| CN101755895B (en) | Sheet-type chlorine dioxide gas generant | |
| Vakkalanka et al. | Emerging packaging technologies for fresh produce | |
| CN106489626A (en) | A kind of preservation method of fruit | |
| CN102415439A (en) | Method for preserving red date by coating | |
| CN102986841B (en) | Method for retaining freshness of bamboo shoots for pandas | |
| CN102885129B (en) | Pleurotus eryngii freshness retaining method | |
| Thumula | Studies on storage behaviour of tomatoes coated with chitosan-lysozyme films | |
| CN103947740B (en) | A kind of method of novel lichee | |
| CN107232295A (en) | A kind of fresh-cut Hangzhoupro Chinese cabbage preservation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20210828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |