CN1312165A - Food packing composite material and its production process - Google Patents
Food packing composite material and its production process Download PDFInfo
- Publication number
- CN1312165A CN1312165A CN 00111890 CN00111890A CN1312165A CN 1312165 A CN1312165 A CN 1312165A CN 00111890 CN00111890 CN 00111890 CN 00111890 A CN00111890 A CN 00111890A CN 1312165 A CN1312165 A CN 1312165A
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- China
- Prior art keywords
- layer
- composite material
- package
- sandwich layer
- food
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- 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.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 235000013305 food Nutrition 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000012856 packing Methods 0.000 title description 8
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 12
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000012209 synthetic fiber Substances 0.000 claims description 6
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 235000021056 liquid food Nutrition 0.000 abstract description 8
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 239000012792 core layer Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 239000005022 packaging material Substances 0.000 abstract 1
- 229920001610 polycaprolactone Polymers 0.000 abstract 1
- 239000004632 polycaprolactone Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
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Abstract
The present invention discloses a composite material for packaging food and its production method. The described packaging material includes core layer and outer layer, the core layer is coated with epsilon-polycaprolactone as outer layer by means of extruding process or coating process. Said composite material is easy to be natural-degraded and possesses good collapsibility, water-proof property, tightness and thermal sealing property, so that it is suitable for making liquid food packaging container.
Description
The invention belongs to the packaging for foodstuff field, relate to a kind of composite material for package of food and production method thereof.
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 objective of the invention is to develop a kind of composite material for package of food and production method thereof at above-mentioned deficiency.
Embodiment of the present invention are: a kind of composite material for package of food, comprise sandwich layer and skin, and on sandwich layer, be coated with skin, this skin is ε-poly-lactones layer.
The production method of above-mentioned composite material for package of food, described production method are extrusion molding or coating process, and the production technology of extrusion molding is with extruder ε-poly-own lactones to be expressed on the sandwich layer, make ε-poly-lactones be applied to sandwich layer with the form of thin layer; The production technology of coating process is to use coating device, makes ε-poly-lactones be applied to sandwich layer with the form of thin layer.
Advantage of the present invention: the one, described composite material for package of food can be folded into corresponding package shape according to the packing needs of liquid food; The 2nd, described composite material for package of food has adopted ε-poly-lactones layer as skin, and therefore, it is degraded more under field conditions (factors); The 3rd, described composite material for package of food has waterproof, trapping and heat sealability preferably.
Fig. 1 is a structural representation of the present invention.
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 invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, the present invention includes sandwich layer 1 and two layers of skin 2, this skin 2 is ε-poly-lactones layer, and two layers of skin 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 string or synthetic fibers.
The production method of above-mentioned composite material for package of food is an extrusion molding, and the production technology of extrusion molding is with extruder ε-poly-lactones to be expressed on the sandwich layer 1, and ε-poly-lactones is applied on the sandwich layer 1 with the form of thin layer.
The production method of above-mentioned composite material for package of food also can be coating process, and the production technology of coating process is to use coating device, and ε-poly-lactones is applied on the sandwich layer 1 with the form of thin layer.
The skin 2 of above-mentioned composite material for package of food 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 composite material for package of food can be plastic layer, and the used material of this plastic layer is mainly TPO.
The sandwich layer 1 of above-mentioned composite material for package of food can be aluminium foil layer.
The sandwich layer 1 of above-mentioned composite material for package of food can be made up of ply of paper and plastic layer, and the used material of ply of paper mainly is string or synthetic fibers, and the used material of plastic layer mainly is a TPO.
The sandwich layer 1 of above-mentioned composite material for package of food can be made up of ply of paper and aluminium foil layer, and the used material of ply of paper mainly is string or synthetic fibers.
The sandwich layer 1 of above-mentioned composite material for package of food can be by being made up of aluminium foil layer and plastic layer, and the used material of plastic layer mainly is a TPO.
Composite material for package of food of the present invention must 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, or the liquid food packing container of other shape.
Claims (10)
1, a kind of composite material for package of food comprises sandwich layer and skin, it is characterized in that being coated with on sandwich layer skin, and this skin is ε-poly-lactones layer.
2, a kind of composite material for package of food according to claim 1 is characterized in that at skin be two layers, and these two layers outer applied respectively in the upside and the downside of sandwich layer.
3, a kind of composite material for package of food 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 string or synthetic fibers.
4, a kind of composite material for package of food 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 composite material for package of food according to claim 1 is characterized in that sandwich layer can be plastic layer, and the used material of this plastic layer is mainly TPO.
6, a kind of composite material for package of food according to claim 1 is characterized in that sandwich layer can be aluminium foil layer.
7, a kind of composite material for package of food 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 string or synthetic fibers, and the used material of plastic layer mainly is a TPO.
8, a kind of composite material for package of food 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 string or synthetic fibers.
9, a kind of composite material for package of food 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 TPO.
10, the production method of a kind of composite material for package of food according to claim 1, it is characterized in that described production method is extrusion molding or coating process, the production technology of extrusion molding is with extruder ε-poly-lactones to be expressed on the sandwich layer, makes ε-poly-lactones be applied to sandwich layer with the form of thin layer; The production technology of coating process is to use coating device, makes ε-poly-lactones be applied to sandwich layer with the form of thin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001118900A CN1158178C (en) | 2000-03-05 | 2000-03-05 | Food packing composite material and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001118900A CN1158178C (en) | 2000-03-05 | 2000-03-05 | Food packing composite material and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1312165A true CN1312165A (en) | 2001-09-12 |
| CN1158178C CN1158178C (en) | 2004-07-21 |
Family
ID=4581786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001118900A Expired - Fee Related CN1158178C (en) | 2000-03-05 | 2000-03-05 | Food packing composite material and its production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1158178C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1621091A1 (en) * | 2004-07-01 | 2006-02-01 | Stanbee Company, Inc. | Stiffeners for use in footwear |
| CN100423664C (en) * | 2004-07-01 | 2008-10-08 | 斯坦比公司 | Reinforcements used in footwear |
| CN111516317A (en) * | 2020-04-28 | 2020-08-11 | 睿泊(中国)环保科技有限公司 | Composite membrane and preparation method thereof |
-
2000
- 2000-03-05 CN CNB001118900A patent/CN1158178C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1621091A1 (en) * | 2004-07-01 | 2006-02-01 | Stanbee Company, Inc. | Stiffeners for use in footwear |
| CN100423664C (en) * | 2004-07-01 | 2008-10-08 | 斯坦比公司 | Reinforcements used in footwear |
| US7975404B2 (en) | 2004-07-01 | 2011-07-12 | Stanbee Company, Inc. | Stiffeners for use in footwear |
| CN111516317A (en) * | 2020-04-28 | 2020-08-11 | 睿泊(中国)环保科技有限公司 | Composite membrane and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1158178C (en) | 2004-07-21 |
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