CN2693458Y - High obstruction packing material - Google Patents
High obstruction packing material Download PDFInfo
- Publication number
- CN2693458Y CN2693458Y CN 200420007397 CN200420007397U CN2693458Y CN 2693458 Y CN2693458 Y CN 2693458Y CN 200420007397 CN200420007397 CN 200420007397 CN 200420007397 U CN200420007397 U CN 200420007397U CN 2693458 Y CN2693458 Y CN 2693458Y
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- Prior art keywords
- layer
- obstruction
- paper
- oxygen
- ply
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Abstract
The utility model relates to a high obstruction packing material. The inner side of a paper layer of the high obstruction packing material is composite with high obstruction composite layer which is formed by that an oxygen obstruction layer and a light obstruction layer are composite together. The oxygen obstruction layer adopts EVOH or EVOH polymer for oxygen obstruction; the light obstruction layer adopts PE light obstruction which is added to carbon black; patterns and literals can be printed on the outer surface of the paper layer and a PE thin film can be composite as an outer surface layer of the paper layer; the inner side of the high obstruction composite layer is composite with an inner surface thin film which adopts PE as raw material and is added to titanium white to mask the blackness of the light obstruction layer. The utility model can be used for effective obstruction of oxygen molecule and optical radiation as well as water, bacteria and other variety of pollutant and is suitable for the packaging for quality-keeping, preserving and exclusion of water and oxygen of foods, pharmaceutical products and other variety of products. Besides, the utility model can be manufactured with coating or similar production processes, simplifying the production process.
Description
Technical field
The utility model relates to a kind of packaging material that oxygen and light radiation had high obstructing performance.
Background technology
Existing packaging material adopt paper substrates more, the bonding plastic sheeting that is used for waterproof of the one or both sides of base material, and other decorative layer can be set.For example China No. 99258976.2 patent disclosures the paper plastic combined package material, the one or both sides of its ply of paper are compounded with plastic film layers, and on the plastic film layers of one side, the pearlescent pigment coating or the coat of metal are set, to increase aesthetic, and for example China No. 02294458.3 patent disclosure new packaging material, a bonding plastics film of its cardboard basic unit, the bonding static metal coating of another side.The common defects of these packaging material be to the obstructing capacity of oxygen and light radiation a little less than; can't be subjected to oxygen and the bigger packed article of influence of light that more efficiently protection is provided for food etc.; influenced the quality of these packed articles; the shelf-life or the term of validity of these packed articles have been limited; the general also more complicated of its processing technology in addition; usually need process the film of layers of material respectively, and then carry out the compound of plural layers.
The utility model content
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of high-barrier packaging material, and this packaging material are strong to the obstructing capacity of oxygen and light, can provide better protection for packed article, and production technology is also simple.
The utility model realizes that the technical scheme of above-mentioned purpose is: a kind of high-barrier packaging material, comprise ply of paper and the high-barrier composite bed that is compounded in the ply of paper inboard, described high-barrier composite bed is made of oxidation prevention layer that is combined with each other mutually and shading layer, described oxidation prevention layer is made of EVOH or EVOH copolymer layer, and described shading layer is made of the PE layer that adds carbon black.
The outer surface of described ply of paper can compound extexine film.
The inner surface of described high-barrier composite bed can compound endosexine film, and described endosexine is made of the PE layer that adds titanium white.
Because the utility model is provided with the high-barrier composite bed that is made of shading layer and oxidation prevention layer; greatly improved the obstructing capacity of packaging material to light and oxygen; reduced the transmitance of oxygen molecule and light radiation; strengthened protection to packed article; prolong food etc. and be subject to the shelf-life or the term of validity of the packed article of oxygen and influence of light; also improved water simultaneously; the obstructing capacity of bacterium and other external substances; be adapted to food; medicine; guaranteeing the quality of various suitable article such as other emulsus fluids and liquid; fresh-keeping and oxygen barrier; the water proof packing; particularly to the packing of liquid foods such as milk; experiment shows; use the milk after this packaging material packaging sterilizing, its shelf-life can extend to 60 days.In addition, the production technology of this material is also much simple than current material, can adopt coating or similar production technology directly to form all the other each layers on ply of paper, does not need to make earlier various films and carries out bonding again or the pressure applying.
Description of drawings
Accompanying drawing is a section structure schematic diagram of the present utility model.
The specific embodiment
Referring to accompanying drawing, the high-barrier packaging material that the utility model provides, comprise ply of paper 2 and the high-barrier composite bed that is compounded in the ply of paper inboard, described high-barrier composite bed is made of oxidation prevention layer 3 that is combined with each other mutually and shading layer 4, described oxidation prevention layer 3 is made of EVOH or EVOH copolymer layer, and described shading layer 4 is made of the PE layer that adds carbon black.
Among the embodiment, described oxidation prevention layer 3 is positioned at described shading layer 4 outsides shown in the accompanying drawing.Oxidation prevention layer described in the practice 3 also can be positioned at described shading layer 4 inboards.
The thickness that increases described oxidation prevention layer 3 and shading layer 4 helps to improve barrier property, and helps to improve intensity.But based on reducing the cost and making things convenient for the consideration of use aspect, under existing packing instructions and according to existing production technology level, the thickness of common described oxidation prevention layer 3 can be the 5-20 micron, preferred 8-14 micron or 10-12 micron, for example 5 microns, 6.5 microns, 8 microns, 10 microns, 11 microns, 12 microns, 14 microns, 16 microns, 18 microns, 20 microns etc.Be understandable that,, also can select the oxidation prevention layer thickness of other any suitable according to the packing instructions of different packed articles.
The thickness of described shading layer 4 can be the 12-20 micron, preferred 15-18 micron or 16-17 micron, for example 12 microns, 13 microns, 14 microns, 15 microns, 16 microns, 17 microns, 18 microns, 19 microns, 20 microns etc.Be understandable that,, also can select the shading layer thickness of other any suitable according to the packing instructions of different packed articles.
Described oxidation prevention layer 3 adopts EVOH or EVOH copolymer layer, can utilize EVOH the high obstructing performance of oxygen to be realized the resistance oxygen purpose of oxidation prevention layer.Described EVOH and EVOH copolymer belong to prior art, can realize understanding of the present utility model according to prior art and those of ordinary skill.
The interpolation of carbon black in the described shading layer 4 can guarantee the high light resistance rate of shading layer, adds carbon black among the PE and belongs to prior art, can realize understanding of the present utility model according to prior art and those of ordinary skill.
Described ply of paper 2 outer surfaces can compound extexine film 1, and described extexine film can be the PE film.
Usually, can also be provided with printed layers on the outer surface of described ply of paper 2.Because the setting of ply of paper becomes printing and is more prone to, quality is higher.When the ply of paper outer surface was provided with printed layers, described extexine film should directly be fitted on the printed layers according to routine understanding, in the place that does not have printed layers, directly is fitted on the outer surface of ply of paper.Described extexine film 1 can adopt the face coat of any suitable, can adopt PE or other plastic material usually.
The inner surface of described high-barrier composite bed can compound endosexine film 5, and described endosexine film 5 can be made of the PE layer that adds titanium white.The interpolation of titanium white can guarantee the color covering power of endosexine film, so that the black of shading layer is covered, helps attractive in appearance.In PE, add titanium white and belong to prior art, can realize understanding of the present utility model according to prior art and those of ordinary skill.
Under the structure that the utility model provides, can adopt multi-layer co-extruded hydrostomia coating processes to produce described compound package material, wherein the oxidation prevention layer that is made of EVOH or its copolymer also can adopt roller coating technology.Can simplify production technology like this, enhance productivity and reduce cost.Certainly, if the technology that adopts other prior aries or future to occur is produced compound package material of the present utility model, belong to protection domain of the present utility model equally.
Claims (8)
1. high-barrier packaging material, comprise ply of paper, it is characterized in that also comprising the high-barrier composite bed that is compounded in the ply of paper inboard, described high-barrier composite bed is made of oxidation prevention layer that is combined with each other mutually and shading layer, described oxidation prevention layer is made of EVOH or EVOH copolymer layer, and described shading layer is made of the PE layer that adds carbon black.
2. high-barrier packaging material as claimed in claim 1, the thickness that it is characterized in that described oxidation prevention layer are the 5-20 microns, and the thickness of described each shading layer is the 12-20 micron.
3. high-barrier packaging material as claimed in claim 2, the thickness that it is characterized in that described oxidation prevention layer are the 8-14 microns, and the thickness of described each shading layer is the 15-18 micron.
4. high-barrier packaging material as claimed in claim 3, the thickness that it is characterized in that described oxidation prevention layer are the 10-12 microns, and the thickness of described each shading layer is the 16-17 micron.
5. as claim 1,2,3 or 4 described high-barrier packaging materials, it is characterized in that the compound extexine film of outer surface of described ply of paper.
6. high-barrier packaging material as claimed in claim 5 is characterized in that the compound extexine film of the outer surface of described ply of paper is the PE film.
7. high-barrier packaging material as claimed in claim 6 is characterized in that described ply of paper outer surface also is provided with printed layers, and described extexine film directly is fitted on the printed layers, in the place that does not have printed layers, directly is fitted on the outer surface of ply of paper.
8. as claim 1,2,3 or 4 described high-barrier packaging materials, it is characterized in that the compound endosexine of the inner surface film of described high-barrier composite bed, described endosexine film is made of the PE layer that adds titanium white.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420007397 CN2693458Y (en) | 2004-03-23 | 2004-03-23 | High obstruction packing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420007397 CN2693458Y (en) | 2004-03-23 | 2004-03-23 | High obstruction packing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2693458Y true CN2693458Y (en) | 2005-04-20 |
Family
ID=34767893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420007397 Expired - Fee Related CN2693458Y (en) | 2004-03-23 | 2004-03-23 | High obstruction packing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2693458Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395564A (en) * | 2018-03-15 | 2018-08-14 | 席海龙 | A kind of high-barrier PE coated films and preparation method thereof for liquid food packing |
| CN111546730A (en) * | 2020-03-25 | 2020-08-18 | 乐美包装（昆山）有限公司 | Composite packaging material and manufacturing method thereof |
| CN113734624A (en) * | 2020-05-28 | 2021-12-03 | 内蒙古蒙牛乳业（集团）股份有限公司 | Packaging container |
| CN114834126A (en) * | 2022-05-23 | 2022-08-02 | 中国科学院长春应用化学研究所 | High-gas-barrier thermal control film and preparation method thereof |
| CN115506174A (en) * | 2022-09-23 | 2022-12-23 | 岳阳林纸股份有限公司 | Plastic-free paper-based packaging material with high oxygen barrier rate and preparation method thereof |
-
2004
- 2004-03-23 CN CN 200420007397 patent/CN2693458Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395564A (en) * | 2018-03-15 | 2018-08-14 | 席海龙 | A kind of high-barrier PE coated films and preparation method thereof for liquid food packing |
| CN111546730A (en) * | 2020-03-25 | 2020-08-18 | 乐美包装（昆山）有限公司 | Composite packaging material and manufacturing method thereof |
| CN113734624A (en) * | 2020-05-28 | 2021-12-03 | 内蒙古蒙牛乳业（集团）股份有限公司 | Packaging container |
| CN114834126A (en) * | 2022-05-23 | 2022-08-02 | 中国科学院长春应用化学研究所 | High-gas-barrier thermal control film and preparation method thereof |
| CN114834126B (en) * | 2022-05-23 | 2023-10-13 | 中国科学院长春应用化学研究所 | High-gas-resistance heat-insulation control film and preparation method thereof |
| CN115506174A (en) * | 2022-09-23 | 2022-12-23 | 岳阳林纸股份有限公司 | Plastic-free paper-based packaging material with high oxygen barrier rate and preparation method thereof |
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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 |