CN2412860Y - Composite film for food packaging bag - Google Patents
Composite film for food packaging bag Download PDFInfo
- Publication number
- CN2412860Y CN2412860Y CN 00216726 CN00216726U CN2412860Y CN 2412860 Y CN2412860 Y CN 2412860Y CN 00216726 CN00216726 CN 00216726 CN 00216726 U CN00216726 U CN 00216726U CN 2412860 Y CN2412860 Y CN 2412860Y
- Authority
- CN
- China
- Prior art keywords
- layer
- complex film
- sandwich layer
- packing foods
- ply
- 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
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Abstract
The utility model discloses a composite film for food package, which comprises a core layer and an outer layer. The core layer is coated with the outer layer which is an epsilon-poly caprolactone layer. The utility model has advantages of easy natural degradation, good folding performance, water resistance, gas separating performance and hot sealing performance. The utility model is very suitable for being used for manufacturing liquid food packing containers.
Description
The utility model belongs to the packaging for foodstuff field, specifically a kind of used for packing foods complex film.
The disclosed Chinese patent 1055506A in 1991 (application number is 90105802.5) has introduced a kind of three-layer plastic compound film.But with the difficult liquid food packing container that is manufactured with certain collapsed shape of this laminated film, and this laminated film is difficult for degraded under field conditions (factors), is unfavorable for environmental protection.
The purpose of this utility model is at above-mentioned deficiency, develops a kind of used for packing foods complex film.
Embodiment of the present utility model is: a kind of used for packing foods complex film, comprise sandwich layer and skin, and on sandwich layer, be coated with skin, this skin is ε-poly-own lactones layer.
Advantage of the present utility model: the one, it can be folded into corresponding package shape according to the packing needs of liquid food; The 2nd, because it has adopted ε-poly-own lactones layer as skin, therefore, degraded more under field conditions (factors); The 3rd, it has waterproof, trapping and heat sealability preferably.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of square liquid food packing box.
Fig. 3 is the structural representation of roof shape liquid food packing box.
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model comprises sandwich layer 1 and two layers of skin 2, and outer 2 is ε-poly-own lactones layer, and these two layers of skins 2 are applied respectively in the upside and the downside of sandwich layer 1.Sandwich layer 1 is a ply of paper, and the used material of this ply of paper mainly is vegetable fibre or syntheticfibres.
The skin 2 of above-mentioned used for packing foods complex film can have only one deck, and this one deck outer 2 is applied in a side of sandwich layer 1.
The sandwich layer 1 of above-mentioned used for packing foods complex film can be plastic layer, and the used material of this plastic layer is mainly polyolefins.
The sandwich layer 1 of above-mentioned used for packing foods complex film can be aluminium foil layer.
The sandwich layer 1 of above-mentioned used for packing foods complex film can be made up of ply of paper and plastic layer, and the used material of ply of paper mainly is vegetable fibre or syntheticfibres, and the used material of plastic layer mainly is a polyolefins.
The sandwich layer 1 of above-mentioned used for packing foods complex film can be made up of ply of paper and aluminium foil layer, and the used material of ply of paper mainly is vegetable fibre or syntheticfibres.
The sandwich layer 1 of above-mentioned used for packing foods complex film can be made up of aluminium foil layer and plastic layer, and the used material of plastic layer mainly is a polyolefins.
Above-mentioned described used for packing foods complex film can be made square liquid food packing box as shown in Figure 2, also can make roof shape liquid food packing box as shown in Figure 3.
Claims (9)
1, a kind of used for packing foods complex film comprises sandwich layer and skin, it is characterized in that being coated with on sandwich layer skin, and this skin is ε-poly-own lactones layer.
2, a kind of used for packing foods complex film according to claim 1 is characterized in that skin is two layers, and these two layers outer applied respectively in the upside and the downside of sandwich layer.
3, a kind of used for packing foods complex film according to claim 1 is characterized in that sandwich layer is a ply of paper, and the used material of this ply of paper mainly is vegetable fibre or syntheticfibres.
4, a kind of used for packing foods complex film according to claim 1 is characterized in that skin can be one deck, and this one deck is outer applied in a side of sandwich layer.
5, a kind of used for packing foods complex film according to claim 1 is characterized in that sandwich layer can be plastic layer, and the used material of this plastic layer is mainly polyolefins.
6, a kind of used for packing foods complex film according to claim 1 is characterized in that sandwich layer can be aluminium foil layer.
7, a kind of used for packing foods complex film according to claim 1 is characterized in that sandwich layer can be made up of ply of paper and plastic layer, and the used material of ply of paper mainly is vegetable fibre or syntheticfibres, and the used material of plastic layer mainly is a polyolefins.
8, a kind of used for packing foods complex film according to claim 1 is characterized in that sandwich layer can be made up of ply of paper and aluminium foil layer, and the used material of ply of paper mainly is vegetable fibre or syntheticfibres.
9, a kind of used for packing foods complex film according to claim 1 is characterized in that sandwich layer can be made up of aluminium foil layer and plastic layer, and the used material of plastic layer mainly is a polyolefins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216726 CN2412860Y (en) | 2000-03-05 | 2000-03-05 | Composite film for food packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216726 CN2412860Y (en) | 2000-03-05 | 2000-03-05 | Composite film for food packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2412860Y true CN2412860Y (en) | 2001-01-03 |
Family
ID=33582426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00216726 Expired - Fee Related CN2412860Y (en) | 2000-03-05 | 2000-03-05 | Composite film for food packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2412860Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101528844B (en) * | 2006-09-05 | 2012-08-29 | 索维公司 | Composition of at least one vinylidene chloride polymer |
-
2000
- 2000-03-05 CN CN 00216726 patent/CN2412860Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101528844B (en) * | 2006-09-05 | 2012-08-29 | 索维公司 | Composition of at least one vinylidene chloride polymer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |