CN205364716U - Combined material of paper pulp mould plastic product and aluminum material - Google Patents
Combined material of paper pulp mould plastic product and aluminum material Download PDFInfo
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- CN205364716U CN205364716U CN201521037750.2U CN201521037750U CN205364716U CN 205364716 U CN205364716 U CN 205364716U CN 201521037750 U CN201521037750 U CN 201521037750U CN 205364716 U CN205364716 U CN 205364716U
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- 239000000463 material Substances 0.000 title claims abstract description 162
- 229920003023 plastic Polymers 0.000 title claims abstract description 147
- 239000004033 plastic Substances 0.000 title claims abstract description 147
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 110
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 110
- 230000008901 benefit Effects 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims description 87
- 239000004411 aluminium Substances 0.000 claims description 39
- 238000010276 construction Methods 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 23
- 238000012856 packing Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 2
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- 239000010410 layer Substances 0.000 description 186
- 150000001875 compounds Chemical class 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 15
- 239000011229 interlayer Substances 0.000 description 13
- 238000000465 moulding Methods 0.000 description 12
- 239000011230 binding agent Substances 0.000 description 10
- -1 alkyl ketene dimer Chemical compound 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 8
- 239000004814 polyurethane Substances 0.000 description 8
- 229920002635 polyurethane Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 7
- 238000003856 thermoforming Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000005030 aluminium foil Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
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- 238000007493 shaping process Methods 0.000 description 3
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- 238000003490 calendering Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
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- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
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- 238000003754 machining Methods 0.000 description 1
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Abstract
The utility model provides a combined material of paper pulp mould plastic product and aluminum material, belongs to packing product and technical field. Use paper pulp mould plastic product as skeletal material, use the aluminum material as barrier material, use plastic materials as the adhesive, the preparation is based on the combined material and the goods of paper pulp mould plastic product skeleton. This kind based on paper pulp mould plastic product skeleton, contained the combined material and the goods on aluminum material layer, the advantage and the advantage of three kinds of materials such as full play paper pulp mould plastic product, plastic materials and goods, aluminum material and goods for when this kind of combined material has better mechanical properties, still have very high barrier properties, enlarged paper pulp mould plastic product's range of application, satisfied paper pulp mould plastic product and required the packing of product to high barrier properties.
Description
Technical field
This utility model relates to a kind of composite based on moulded paper pulp product, particularly relates to the composite of moulded paper pulp product skeleton and aluminum material, belongs to packing articles and technical field.
Background technology
Moulded paper pulp product is Novel paper packaging material, have environmental sound, recyclable regeneration, volume ratio foamed plastic little, can be overlapping and facilitate the advantages such as transport, achieve in cutlery box, tableware and industry buffering package and be widely applied.
Paper mould is a kind of three-dimensional paper technology, main technical process be slurry prepare, four procedures such as molded, dry, shaping.
The main raw material(s) that moulded paper pulp product uses is plant resources material, and adds a certain amount of chemical assistant.Although, add chemical assistant and can improve some performance of moulded paper pulp product.Such as, in paper pulp molding forming process, add the sizing agent such as gum rosin, alkyl ketene dimer, it is possible to improve the water repelling property of paper mould.But these improvement are all very limited amount of.
The main raw material(s) of moulded paper pulp product is plant resources material, its key component is the three big compositions such as cellulose, hemicellulose, lignin, and moulded paper pulp product is all have certain hole to exist, these result in moulded paper pulp product existence and easily absorb the shortcoming such as moisture, breathability height.It is to say, moulded paper pulp product also exists the shortcoming intercepting moisture, intercepting the poor performance of gas.
It is known that compared with moulded paper pulp product, plastic material and goods have the barrier property that moisture, gas is more excellent.But, compared with aluminum material and goods, the barrier property of plastic material or poor.And, some plastic materials, such as the barrier property of polyvinyl alcohol, polyamide etc., it is additionally subjected to the impact of ambient temperature, humidity.These show, the barrier property of aluminum material and goods is better than the barrier property of plastic material and goods, plastic material and goods and is better than paper material and goods.
At present, itself and aluminum material are carried out compound but without relating to by moulded paper pulp product, form high obstructing performance composite and goods and the preparation method of moulded paper pulp product and aluminum material.
Utility model content
The purpose of this utility model is, a kind of moulded paper pulp product skeleton, the composite comprising the aluminium material bed of material and goods are provided, the composite of this moulded paper pulp product and aluminum material, there is higher mechanical property and high barrier property, meet the product packaging that packing articles is had higher force performance and high barrier, be a kind of high obstructing performance composite.
The hot pressing shaping technique of paper mould is combined by of the present utility model being characterized by with the Combined Machining Technology of different materials, give full play to the excellent mechanical property of moulded paper pulp product and the high obstructing performance of aluminum material, give moulded paper pulp product with higher added value.
Moulded paper pulp product skeleton of the present utility model, the composite of aluminum material high obstructing performance and goods; there is the mechanical property that high barrier property is good and higher; the packaging of the product to high obstructing performance requirement can be met simultaneously; also there is the function of transportation and packing; the physical aspect of protection product, has novelty and practicality.
The composite of moulded paper pulp product of the present utility model and aluminum material, moulded paper pulp product is as the composite of skeleton, aluminum material offer high obstructing performance, it is characterized in that, composite has multiple structure, formed by MULTILAYER COMPOSITE, including at least one layer of moulded paper pulp product layer, one layer of plastic layer and one layer of aluminium material bed of material；Moulded paper pulp product layer and the aluminium material bed of material are bonded together by plastic layer as intennediate bond oxidant layer.
Moulded paper pulp product layer is casing play, and plastic layer is adhesive phase, and the aluminium material bed of material is barrier ergosphere.
The each layer of composite of the present utility model has different functions and effect.Aluminum material layer, as internal layer, has high barrier property, has the effect intercepting moisture and gas permeation, contacts with packaged product, reaches the effect of protection packaged product.Plastic layer, as intermediate layer, plays the effect of binding agent, makes to have between the aluminium material bed of material and moulded paper pulp product layer higher bonding strength, makes composite and goods be unlikely in use interlaminar separation.Moulded paper pulp product layer, as outer layer, has good mechanical property, plays the effect of skeleton and buffering, and protection intermediate layer plastics and unlined aluminium material are not readily susceptible to the destruction of external force, and plays the effect of transportation and packing, the physical aspect of protection packaged product.
Each layer of composite of the present utility model has corresponding thickness requirement.The thickness of unlined aluminium material is 0.025mm～0.25mm, and the thickness of intermediate layer plastic layer is 0.025mm～0.25mm, and the thickness of outer layer moulded paper pulp product layer is 1.5mm～4.5mm.
Further, composite of the present utility model, there is four-layer structure, comprise inner plastic layer, the first middle aluminium material bed of material, the second intermediate layer plastic layer, outer layer moulded paper pulp product layer.
Further, composite of the present utility model and goods, there is five-layer structure, comprise inner plastic layer, the first middle aluminium material bed of material, the second intermediate layer plastic layer, the 3rd intermediate layer moulded paper pulp product layer, outer layer plastic layer.
The composite of above-mentioned four-layer structure of the present utility model and five-layer structure and goods, each layer has corresponding thickness requirement.Inner plastic layer, intermediate layer plastic layer, outer layer plastic layer thickness be 0.025mm～0.25mm, the thickness of moulded paper pulp product layer is 1.5mm～4.5mm.
Moulded paper pulp product skeleton described in the utility model and the manufacture method of the composite of aluminum material high obstructing performance, comprise the following steps:
(1) molding of moulded paper pulp product
According to the requirement to paper mould, the raw material selecting paper pulp fiber to be outer layer paper mould, the paper pulp fiber that will choose, it is diluted into the paper pulp that mass concentration is 0.8%～1.2% with tap water, molding on paper pulp model formation machine, press dewatering, dry, thermal finalization, molding moulded paper pulp product, the moulded paper pulp product mass dryness fraction obtained is 90%～95% (namely the water content of moulded paper pulp product is 5wt～10wt%).
Difference according to mould, it is possible to molding has difform moulded paper pulp product.
Or, commercially satisfactory paper pulp moulding product.
(2) compound of plastics and aluminum material
Selecting thermoplastic resin is the raw material of plastics, will choose one or more thermoplastic resins, is extruded into thin film or sheet material, and forms the composite of aluminum material/plastics with aluminum material on plastic shaping extruder.
Or, commercially plastic sheeting or sheet material, utilize thermoforming process, and plastic material and aluminum material are formed the composite of aluminum material/plastics.
(3) compound of the composite of aluminum material/plastics and moulded paper pulp product
Adopting thermoforming process, on thermoforming machine, be placed in the lower mold of thermoforming machine by the composite of the aluminum material/plastics of step (2) and be heated, plastics are subject to thermal softening；Then, would be embedded with the mold of moulded paper pulp product and move down, press with lower mold, the plastics among the composite of plastic/aluminium material and moulded paper pulp product are combined with each other；Finally, upper/lower die is cooled down, completing the compound of moulded paper pulp product and the composite material plastic of plastic/aluminium material, obtain the composite consistent with the shape of moulded paper pulp product and goods, its structure is unlined aluminium material/intermediate layer plastics/outer layer moulded paper pulp product.
By above making step, the three-decker composite of the unlined aluminium obtained material/intermediate layer plastics/outer layer moulded paper pulp product and goods, greatly improve the performance of composite and goods, expand the range of application of moulded paper pulp product.
(4) further, on the unlined aluminium material/intermediate layer plastics/composite of outer layer moulded paper pulp product obtained in step (3) and the basis of goods, adopt thermoforming technology, plastics and aluminum material/intermediate layer plastics/outer layer moulded paper pulp product are carried out compound, plastics and aluminum material is made to be combined with each other, it is possible to obtain composite and the goods of the four-layer structure of inner plastic/aluminum interlayer material/intermediate layer plastics/outer layer moulded paper pulp product.
The composite of this structure and goods, comprise inner plastic, it is possible to use plastics have the advantage of heat sealability, carries out heat sealing, forms material and the goods of enclosed construction.
(5) further, obtain on the composite of four-layer structure and the basis of goods of inner plastic/aluminum interlayer material/intermediate layer plastics/outer layer moulded paper pulp product in step (4), inner plastic/aluminum interlayer material/intermediate layer plastics/outer layer moulded paper pulp product and plastics are carried out compound, plastics and paper mould is made to be combined with each other, it is possible to obtain composite and the goods of the five-layer structure of inner plastic/aluminum interlayer material/intermediate layer plastics/intermediate layer moulded paper pulp product/outer layer plastic.
The composite of this structure and goods, it is possible to paper mould is printed, or outer layer plastic carries out inner print, and then carry out compound, make composite comprise outer layer plastic, there is the advantage of the pollution preventing printing-ink.It addition, the outer layer plastic of composite also has the destruction to paper mould such as the liquid substance that prevents water.
The composite of the moulded paper pulp product being prepared as described above and aluminum material and goods, the goods that molding is variously-shaped can be made, or select the aluminum material, plastic raw materials and the goods that are suitable for requiring and moulded paper pulp product to carry out compound as required, all can realize the purpose of this utility model.
Compared with traditional moulded paper pulp product, this utility model advantage and providing the benefit that obviously.Thermoforming technology and Material cladding process technology and calendering formation technology three are combined by this utility model, the mechanical property advantage of moulded paper pulp product and the high obstructing performance advantage of aluminum material are played, while the composite obtained and goods have excellent mechanical performances, there is high barrier property, packaged product is had good transportation and packing function and protective packaging function.
Another advantage of the present utility model is, while giving full play to various material advantage, and contributes to the use of minimizing plastic material and the use of aluminum material, embodies Packaging Reduce requirement, reach to economize on resources and alleviate the purpose of environmental pollution.
Composite of the present utility model and goods, not only have and also have high barrier property than plastic, but also owing to having good surface property and printing performance, thus having good marketing packing effect.
This utility model be with moulded paper pulp product be framework material, with aluminum material be barrier material, with plastic material for binding agent, prepare based on the composite of moulded paper pulp product skeleton and goods.
This based on moulded paper pulp product skeleton, the composite containing the aluminium material bed of material and goods, give full play to advantage and the advantage of moulded paper pulp product, plastic material and three kinds of materials such as goods, aluminum material and goods, while making this composite have good mechanical property, also there is significantly high barrier property, expand the range of application of moulded paper pulp product, meet the moulded paper pulp product packaging to high obstructing performance requirement product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the three-decker composite of unlined aluminium material/intermediate layer plastics/outer layer moulded paper pulp product.
Fig. 2 is the schematic diagram of the four-layer structure composite of inner plastic layer/aluminum interlayer material/intermediate layer plastics/outer layer moulded paper pulp product.
Fig. 3 is the schematic diagram of the five-layer structure composite of inner plastic/aluminum interlayer material/intermediate layer plastics/intermediate layer moulded paper pulp product/outer layer plastic.
The 1 aluminium material bed of material in figure, 2 plastic layers, 3 moulded paper pulp product layers.
Detailed description of the invention
By embodiment in detail below and application example, the utility model is described in further detail.Following specific descriptions are for the ease of understanding this utility model, are not intended to limit protection domain of the present utility model.
Embodiment 1
The three-decker composite of moulded paper pulp product and aluminum material and goods, structure is unlined aluminium material/intermediate layer plastics/outer layer moulded paper pulp product.
Each layer material therefor and thickness: unlined aluminium material is 1099 aluminium foils, thickness is 0.05mm.Intermediate layer plastics are ethylene vinyl acetate copolymer (EVA), and thickness is 0.08mm.Outer layer paper mould is that bleached pulp makes, and thickness is 1.5mm, and whiteness is 78%.
Preparation technology: first, is combined with each other unlined aluminium material and intermediate layer plastics between 150～200 DEG C, forms aluminium plastic composite material.Then, the inner side of the plastics side of aluminium plastic composite material Yu paper mould being carried out compound, combined temp is 100～150 DEG C, obtains three-decker composite and the goods of unlined aluminium prepared material/intermediate layer plastics/outer layer moulded paper pulp product.
The performance of this three-decker composite and goods is be firmly combined with between layers, do not separate, and barrier is high, and deflection is high.
Embodiment 2
The four-layer structure composite of moulded paper pulp product and aluminum material and goods, structure is inner plastic layer/aluminum interlayer material layer 1/ intermediate layer plastic layer 2/ outer layer moulded paper pulp product layer.
Each layer material therefor and thickness: inner plastic is polyethylene, thickness is 0.08mm.Intermediate layer 1 aluminum material is 1099 aluminium foils, and thickness is 0.05mm.Intermediate layer 2 plastics are ethylene vinyl acetate copolymer (EVA), and thickness is 0.08mm.Outer layer paper mould is that bleached pulp makes, and thickness is 1.5mm, and whiteness is 78%.
Preparation technology: first, is combined with each other aluminum interlayer material layer 1 and intermediate layer plastic layer 2 between 150～200 DEG C, forms aluminium plastic composite material.Then, the inner side of the plastics side of aluminium plastic composite material Yu paper mould being carried out compound, combined temp is 100～150 DEG C, obtains three-decker composite and the goods of aluminum material layer/plastic layer/moulded paper pulp product layer.Finally, by vinyon and aluminum material/plastic/paper slurry moulding article composite, it is combined with each other, forms composite and the goods of the four-layer structure of the inner layer polyethylene plastics/aluminum interlayer saw lumber bed of material 1/ intermediate layer plastic layer 2/ outer layer moulded paper pulp product layer
The performance of this four-layer structure composite and goods is be firmly combined with between layers, do not separate, and barrier is high, and deflection is high.
Embodiment 2 and embodiment 1 are different in that, the internal layer of embodiment 2 is plastic material, it is possible to use the heat sealability of inner plastic, form material and the goods of enclosed construction, and this is the advantage place of embodiment 2.
Embodiment 3
The five-layer structure composite of moulded paper pulp product and aluminum material and goods, structure is inner plastic layer/plastic layer 2/ intermediate layer, aluminum interlayer material layer 1/ intermediate layer paper pulp moulded articles layer/outer layer plastic layer.
Each layer material therefor and thickness: inner plastic is polyethylene, thickness is 0.08mm.Aluminum interlayer material layer 1 is 1099 aluminium foils, and thickness is 0.05mm.Intermediate layer plastic layer 2 is ethylene vinyl acetate copolymer (EVA), and thickness is 0.08mm.Intermediate layer moulded paper pulp product layer 3 makes for bleached pulp, and thickness is 1.5mm, and whiteness is 78%.Outer layer plastic is polyethylene terephthalate, and thickness is 0.05mm.
Preparation technology: first, is combined with each other aluminum interlayer material layer 1 and intermediate layer plastic layer 2 between 150～200 DEG C, forms aluminium plastic composite material.Then, the inner side of the plastics side of aluminium plastic composite material Yu paper mould being carried out compound, combined temp is 100～150 DEG C, obtains three-decker composite and the goods of aluminum material/plastic/paper slurry moulding article.Finally, by outer layer polyethylene plastics with aluminum material/plastic/paper slurry moulding article composite and outer layer plastic, it is combined with each other, forms composite and the goods of the five-layer structure of inner layer polyethylene plastics/plastic layer 2/ intermediate layer, the aluminum interlayer saw lumber bed of material 1/ intermediate layer moulded paper pulp product layer 3/ outer layer plastic
The performance of this four-layer structure composite and goods is be firmly combined with between layers, do not separate, and barrier is high, and deflection is high.
Embodiment 3 and embodiment 2 are different in that, the outer layer of embodiment 3 is plastic material, it is possible to paper mould is printed, or outer layer plastic carries out inner print, it is prevented that the pollution of printing-ink, and this is one of the advantage of embodiment 3.It addition, outer layer plastic also has the destruction to paper mould such as the liquid substance that prevents water.
Embodiment 4
The four-layer structure composite of moulded paper pulp product and aluminum material and goods, structure is plastic layer 2/ intermediate layer, unlined aluminium material 1/ intermediate layer moulded paper pulp product/outer layer plastic layer.
Each layer material therefor and thickness: unlined aluminium material is 1099 aluminium foils, thickness is 0.05mm.Intermediate layer plastic layer 2 is ethylene vinyl acetate copolymer (EVA), and thickness is 0.08mm.Intermediate layer moulded paper pulp product layer 3 makes for bleached pulp, and thickness is 1.5mm, and whiteness is 78%.Outer layer plastic is polyethylene terephthalate, and thickness is 0.05mm.
Aluminum material and intermediate layer plastics and paper mould are combined with each other by preparation technology: first between 150-200, form the composite of aluminum material/plastic/paper slurry molding.Then, the composite of aluminum material/plastic/paper slurry molding is carried out compound with plastics, forms four-layer structure composite and the goods of unlined aluminium material layer/intermediate layer plastic layer 2/ intermediate layer moulded paper pulp product layer 3/ outer layer plastic.
The performance of this four-layer structure composite and goods is be firmly combined with between layers, do not separate, and barrier is high, and deflection is high.
Embodiment 4 and embodiment 1 are different in that, the outer layer of embodiment 4 is plastics, it is possible to paper mould is printed, or outer layer plastic carries out inner print, it is prevented that the pollution of printing-ink, and this is one of the advantage of embodiment 3.It addition, outer layer plastic also has the destruction to paper mould such as the liquid substance that prevents water.
Embodiment 5
The three-decker composite of moulded paper pulp product and aluminum material and goods, structure is unlined aluminium material/intermediate layer polyurethane binder/outer layer moulded paper pulp product.
Each layer material therefor and thickness: unlined aluminium material is 1099 aluminium foils, thickness is 0.05mm.Intermediate layer is polyurethane binder, and thickness is 0.05mm.Outer layer paper mould is that bleached pulp makes, and thickness is 1.5mm, and whiteness is 78%.
Preparation technology: first, is combined with each other aluminum material and polyurethane binder, forms the composite of aluminum material/polyurethane binder.Then, the inner side of polyurethane binder side of aluminum material/polyurethane binder composite Yu paper mould is carried out compound, obtain three-decker composite and the goods of unlined aluminium prepared material/intermediate layer polyurethane binder/outer layer moulded paper pulp product.
The performance of this three-decker composite and goods is be firmly combined with between layers, do not separate, and barrier is high, and deflection is high.
Embodiment 5 and embodiment 1 are different in that, embodiment 5 adopts polyurethane binder, unlined aluminium material and outer layer paper mould are bonded together.
Above-described embodiment further demonstrates that, the composite of a kind of moulded paper pulp product of the present utility model and aluminum material, because composite contains aluminum material, the composite making paper mould base has good mechanical properties and the high advantage of barrier property, thus reaching the excellent packaging to packaging product and safeguard function, improve the performance of moulded paper pulp product, expand the use scope of moulded paper pulp product.
The composite of paper mould of the present utility model and filter paper material and the preparation method of goods, combine the thermoforming technology of plastics with the calendering formation technology of Material cladding process technology and aluminum material, have simple to operate, it is easy to the advantage of enforcement.
The composite of this utility model paper mould and filter paper material and goods, give full play to various material advantage, contribute to saving material, it is achieved minimizing is packed, and is conducive to alleviating environmental pollution.
The composite of this utility model paper mould and filter paper material and goods, it is also possible to after paper mould is printed, carry out compound, or carry out compound again after outer layer plastic is carried out inner print, reach the effect of packing and decorating, help lend some impetus to the sale of packaged product.
It is apparent to those skilled in the art that above-described embodiment is illustrating this patent, be not intended that the restriction to this patent.Can make improvements as required, combine, sub-combination and conversion, all of improvement, combination, sub-combination, conversion and equivalence are replaced, and are all incorporated in appended scope of the claims.
Claims (5)
1. the composite of moulded paper pulp product and aluminum material, it is characterised in that composite has multiple structure, MULTILAYER COMPOSITE form, including at least one layer of moulded paper pulp product layer, one layer of plastic layer and one layer of aluminium material bed of material；Moulded paper pulp product layer and the aluminium material bed of material are bonded together by plastic layer as intennediate bond oxidant layer, and aluminum material layer is as internal layer, and moulded paper pulp product layer is as outer layer.
2. the composite of the moulded paper pulp product described in claim 1 and aluminum material, it is characterized in that, the thickness of unlined aluminium material layer is 0.025mm～0.25mm, and the thickness of intermediate layer plastic layer is 0.025mm～0.25mm, and the thickness of outer layer moulded paper pulp product layer is 1.5mm～4.5mm.
3. the composite of the moulded paper pulp product described in claim 1 and aluminum material, it is characterised in that there is four-layer structure, comprise inner plastic layer, the first middle aluminium material bed of material, the second intermediate layer plastic layer, outer layer moulded paper pulp product layer；
Or there is five-layer structure, and comprise inner plastic layer, the first middle aluminium material bed of material, the second intermediate layer plastic layer, the 3rd intermediate layer moulded paper pulp product layer, outer layer plastic layer.
4. the composite of the moulded paper pulp product described in claim 3 and aluminum material, it is characterised in that inner plastic layer, intermediate layer plastic layer, outer layer plastic layer thickness be 0.025mm～0.25mm, the thickness of moulded paper pulp product layer is 1.5mm～4.5mm.
5. the composite of the moulded paper pulp product described in claim 3 and aluminum material, it is characterised in that as inner plastic layer, utilize plastics to have the advantage of heat sealability, carries out heat sealing, forms the goods of enclosed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037750.2U CN205364716U (en) | 2015-12-14 | 2015-12-14 | Combined material of paper pulp mould plastic product and aluminum material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037750.2U CN205364716U (en) | 2015-12-14 | 2015-12-14 | Combined material of paper pulp mould plastic product and aluminum material |
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| CN205364716U true CN205364716U (en) | 2016-07-06 |
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| CN201521037750.2U Expired - Fee Related CN205364716U (en) | 2015-12-14 | 2015-12-14 | Combined material of paper pulp mould plastic product and aluminum material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328948A (en) * | 2015-12-14 | 2016-02-17 | 北京印刷学院 | Composite of paper pulp molded product and aluminum material and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328948A (en) * | 2015-12-14 | 2016-02-17 | 北京印刷学院 | Composite of paper pulp molded product and aluminum material and preparation method |
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