CN101195429A - Paper backing plastic aluminum compound packing material - Google Patents
Paper backing plastic aluminum compound packing material Download PDFInfo
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- CN101195429A CN101195429A CNA2006100224597A CN200610022459A CN101195429A CN 101195429 A CN101195429 A CN 101195429A CN A2006100224597 A CNA2006100224597 A CN A2006100224597A CN 200610022459 A CN200610022459 A CN 200610022459A CN 101195429 A CN101195429 A CN 101195429A
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- polyethylene
- paper
- packing material
- base paper
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Abstract
The invention relates to a paper-base packing material, in particular to flexible packing material which is used for the long-acting sterility and fresh keeping of drinking food. The paper-base plastic-aluminum composite packing material of the invention comprises a polyethylene outer layer, a base paper layer disposed behind the outer layer, a polyethylene binding layer arranged behind the base paper layer, an aluminum leaf mounted behind the binding layer, and an adhesive polyethylene layer and a polyethylene inner layer positioned behind the aluminum leaf, wherein the base paper layer is coated with base paper modified layer, and the weight per unit area of each layer includes the polyethylene outer layer 19-20 g/m2, the base paper layer 20-40 g/m2, the polyethylene binding layer 18-20 g/m2, the base paper modified layer 1-8 g/m2, the aluminum leaf 20-22 g/m2, the adhesive polyethylene layer 15-17 g/m2, and the polyethylene inner layer 17-18 g/m2. Both the utilization per unit area of the base paper of the invention and the total weight per unit area of the products are greatly reduced, thereby reducing the cost of products under the pre-condition of guaranteeing each property of the products.
Description
(1) technical field
The present invention is the paper substrate packing, especially for the flexible packing material of the long-acting sterilized antistaling of drinking food product.
(2) background technology
The packing aspect of drinking food product, its packing must reach water vapor, antiultraviolet, resistance oxygen, every conditions such as bacterium, could guarantee pack into the requirement of the long-acting normal temperature sterilized antistaling in back of food.Paper backing plastic aluminum compound packing material is all adopted in the flexible packaging of milk, fruit juice and various beverages at present, and is the material that Sweden Tetrapack company provides mostly, and what above-mentioned paper backing plastic aluminum compound packing was inside and outside constitutes:
Outer layer of polyethene: 20～22g/m
2
Original paper layer: 60～75g/m
2
Polyethylene adhesive linkage: 18～20g/m
2
Aluminium foil: 20～22g/m
2
Bonded polyethylene layer: 15～17g/m
2
Polyethylene inner layer: 17～19g/m
2
Its unit area total weight is 150～170g/m
2This material body paper proportion of original paper layer in view of cost structure is bigger, and the original paper layer consumption had greatly both increased the material unit weight, had increased cost again.
(3) summary of the invention
Purpose in invention is to overcome the deficiency of above-mentioned existing technology, and a kind of body paper consumption that reduces is provided, and reduces material cost, and guarantees the paper backing plastic aluminum compound packing material of material elasticity and intensity.
Solution of the present invention is: a kind of paper backing plastic aluminum compound packing material, comprise outer layer of polyethene, original paper layer behind the skin, polyethylene adhesive linkage behind the original paper layer, aluminium foil behind the adhesive linkage, bonded polyethylene layer and polyethylene inner layer behind the aluminium foil are characterized in being coated with the body paper modified layer of gaining in strength on original paper layer, the weight per unit area of each layer is:
Outer layer of polyethene: 19～20g/m
2,
Original paper layer: 20～40g/m
2,
Polyethylene adhesive linkage: 18～20g/m
2,
Body paper modified layer: 1～8g/m
2,
Aluminium foil: 20～22g/m
2,
Bonded polyethylene layer: 15～17g/m
2,
Polyethylene inner layer: 17～18g/m
2
Unit area body paper consumption of the present invention reduces, and mainly is the body paper reduced thickness, and bodystock paper modified layer on body paper to gain in strength, guarantees that body paper is not damaged when rubbing folding for this reason, and it is unaffected to guarantee to change other quality of back at body paper simultaneously.
The modifier of body paper modified layer is the compound of Abietyl modified material or ethylene-vinyl acetate copolymer or BASF Retention Aid in Papermaking or polyvinyl butyral or polyvinyl alcohol or above any two kinds and two or more modifier in the solution of the present invention.
The body paper modified layer can be coated in the solution of the present invention on the polyethylene adhesive linkage behind the body paper, play equally and gain in strength, guarantee the impregnable effect of other quality.
The present invention's advantage compared with prior art: the unit area consumption of body paper is in the prior art: 60～75g/m
2, and the present invention is 20～40g/m
2, the corresponding body paper consumption that greatly reduces has reduced the product cost.The unit area total weight is 150～170g/m in the prior art simultaneously
2, and the present invention is 110～140g/m
2, the unit area total weight descends.The present invention realized water vapor, antiultraviolet, resistance oxygen equally, every functions such as bacterium, high heat-sealing strengths.
(4) specific embodiment
Embodiment 1: each layer of paper backing plastic aluminum compound packing material weight per unit area is:
Outer layer of polyethene: 20g/m
2,
Body paper: 25g/m
2,
Polyethylene adhesive linkage: 19g/m
2,
Body paper modified layer: 6g/m
2,
Aluminium foil: 20g/m
2,
Bonded polyethylene layer: 17g/m
2,
Polyethylene inner layer: 18g/m
2
Wherein the body paper modified layer is an ethylene-vinyl acetate copolymer.
Present embodiment after testing, its sanitation performance index is as follows:
| Project | Unit | Testing result |
| Evaporation residue 4% acetate (60 ℃, Zhr) 65% ethanol (20 ℃, Zhr) alkane (10 ℃, Zhr) | mg/L | 29.5 4.0 18.0 |
| Potassium permanganate consumption (60 ℃, Zhr) | mg/L | ＜0.3 |
| Heavy metal (in pb) 4% acetate (60 ℃, Zhr) | mg/L | ＜1.0 |
Present embodiment after testing, its physical property index is as follows:
| Project | Unit | Testing result |
| Density | g/m 2 | 120.0 |
| Deflection | mN.m | 1.32/1.23 |
| Oxygen permeability | Cm 3/m 2.24.h.0.1MPa | 0.15 |
| Substance | KPa | 520/512 (just/anti-) |
| Fracture length | Km | (7.9/7.2 vertical/horizontal stroke) |
| Horizontal tearability | mN | 850 |
| Heat sealability | 180℃.1S.0.1MPa | There is not the envelope of leakage point |
| Heat seal strength | N/cm | 43 |
Embodiment 2: each layer of paper backing plastic aluminum compound packing material weight per unit area is:
Outer layer of polyethene: 19g/m
2,
Body paper: 40g/m
2,
Polyethylene adhesive linkage: 18g/m
2,
Body paper modified layer: 1.5g/m
2,
Aluminium foil: 20g/m
2,
Bonded polyethylene layer: 15g/m
2,
Polyethylene inner layer: 17g/m
2
Wherein: wherein the modifier of body paper modified layer adopts Abietyl modified material and polyvinyl alcohol compound.
Its production technology is a printing back and polyethylene adhesive linkage hot melt adhesive bodystock paper modifier again on body paper, dry back hot melt adhesive outer layer of polyethene, hot melt adhesive aluminium foil afterwards, hot melt adhesive bonded polyethylene layer again, last hot melt adhesion polyethylene inner layer.
Claims (3)
1. paper backing plastic aluminum compound packing material, comprise outer layer of polyethene, original paper layer behind the skin, polyethylene adhesive linkage behind the original paper layer, aluminium foil after bonding, bonded polyethylene layer and polyethylene inner layer behind the aluminium foil is characterized in that being coated with on the original paper layer body paper modified layer of gaining in strength, and the weight per unit area of each layer is:
Outer layer of polyethene: 19～20g/m,
Original paper layer: 20～40g/m
2,
Polyethylene adhesive linkage: 18～20g/m
2,
Body paper modified layer: 1～8g/m
2,
Aluminium foil: 20～22g/m
2,
Bonded polyethylene layer: 15～17g/m
2,
Polyethylene inner layer: 17～18g/m
2
2. paper backing plastic aluminum compound packing material according to claim 1, the modifier of the described body paper modified layer of its feature are the compound of Abietyl modified material or ethylene-vinyl acetate copolymer or BASF Retention Aid in Papermaking or polyvinyl butyral or polyvinyl alcohol or above any two kinds and two or more modifier.
3. paper backing plastic aluminum compound packing material according to claim 1 is characterized in that on the polyethylene adhesive linkage after the body paper modified layer is coated original paper layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100224597A CN101195429A (en) | 2006-12-07 | 2006-12-07 | Paper backing plastic aluminum compound packing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100224597A CN101195429A (en) | 2006-12-07 | 2006-12-07 | Paper backing plastic aluminum compound packing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101195429A true CN101195429A (en) | 2008-06-11 |
Family
ID=39546095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100224597A Pending CN101195429A (en) | 2006-12-07 | 2006-12-07 | Paper backing plastic aluminum compound packing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101195429A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470626A (en) * | 2009-07-08 | 2012-05-23 | 利乐拉瓦尔集团及财务有限公司 | Robust packaging laminate, method for manufacturing of the packaging laminate and packaging container produced therefrom |
| CN106189916A (en) * | 2016-07-08 | 2016-12-07 | 姚华鹏 | Long-acting damp-proof blister packaging materials |
| CN106364104A (en) * | 2015-07-24 | 2017-02-01 | 重庆市绿乐包装有限公司 | Paper-aluminum-plastic composite aseptic packaging material |
| CN108221492A (en) * | 2017-12-28 | 2018-06-29 | 安徽荣泽科技有限公司 | A kind of environment protecting paper aluminum compound packing material preparation method |
| CN108760506A (en) * | 2018-08-17 | 2018-11-06 | 长葛市大阳纸业有限公司 | The soft folding performance testing device of paper of more installation stations |
-
2006
- 2006-12-07 CN CNA2006100224597A patent/CN101195429A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470626A (en) * | 2009-07-08 | 2012-05-23 | 利乐拉瓦尔集团及财务有限公司 | Robust packaging laminate, method for manufacturing of the packaging laminate and packaging container produced therefrom |
| CN102470626B (en) * | 2009-07-08 | 2015-07-08 | 利乐拉瓦尔集团及财务有限公司 | Robust packaging laminate, method for manufacturing of the packaging laminate and packaging container produced therefrom |
| CN106364104A (en) * | 2015-07-24 | 2017-02-01 | 重庆市绿乐包装有限公司 | Paper-aluminum-plastic composite aseptic packaging material |
| CN106189916A (en) * | 2016-07-08 | 2016-12-07 | 姚华鹏 | Long-acting damp-proof blister packaging materials |
| CN108221492A (en) * | 2017-12-28 | 2018-06-29 | 安徽荣泽科技有限公司 | A kind of environment protecting paper aluminum compound packing material preparation method |
| CN108760506A (en) * | 2018-08-17 | 2018-11-06 | 长葛市大阳纸业有限公司 | The soft folding performance testing device of paper of more installation stations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080611 |