CN201116188Y - Novel false proof composite sheet material - Google Patents
Novel false proof composite sheet material Download PDFInfo
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- CN201116188Y CN201116188Y CNU2007200541296U CN200720054129U CN201116188Y CN 201116188 Y CN201116188 Y CN 201116188Y CN U2007200541296 U CNU2007200541296 U CN U2007200541296U CN 200720054129 U CN200720054129 U CN 200720054129U CN 201116188 Y CN201116188 Y CN 201116188Y
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- plastics film
- extruded plastics
- composite sheet
- aluminium foil
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Abstract
The utility model discloses a novel anti-fake composite sheet, which is compounded with the following sheet layers: a plurality of layers of co-extruded plastic film surface, anti-fake embossed aluminum foil sheet, a plurality of layers of co-extruded plastic film lining. The novel anti-fake composite sheet aims at providing an aluminum plastic composite sheet different from the prior structure; the aluminum plastic composite sheet is applicable for packaging toothpaste, medicine, cosmetics, and so on with soft handle, flowery colors, clear patterns, and anti-fake function particularly.
Description
Technical field
The utility model relates to a kind of package sheet material, particularly a kind of antifalse composite sheet.
Background technology
At present, the composite sheet packing that are used on the market on toothpaste, cosmetics, the medicine mainly are plastic-aluminum combined or overall plastic composite structures.These composite sheets have almost occupied all toothpaste packing market and the tubing packaging market of most of medicine.No matter be plastic-aluminum combined sheet material or overall plastic composite sheet, its structure is all fairly simple, and is imitated easily, is difficult to have antifalse effect.In recent years, occur some in succession and had the composite sheet packing of special antifalse effect, such as in the middle level of composite sheet or outer add have laser effect aluminium foil or plastic film, the sheet material that makes has special laser pattern from seeing in appearance, is a kind of good false proof mode.But these have the aluminium foil of laser effect or plastic film normally by the transfer laser effect or directly the compound film that has laser effect make, thus, to increase two procedures at least, cause complex process, cost increases.No matter be transfer laser or the direct compound film that has laser effect, the combined strength bination of laser formation layer and base material is generally below 3N/15MM, but the sheet material interlaminar strength that is used for toothpaste or drug packaging all must reach more than the 6N/15MM, because this contradiction makes such laser transfer membrane never promote in the sheet material field and comes.
Summary of the invention
The purpose of this utility model is to provide a kind of plastic-aluminum combined sheet material that is different from the existing structure form, this plastic-aluminum combined sheet material is applicable to the packing of toothpaste, medicine, cosmetics etc., the combined strength bination height, sheet material is soft, lucuriant in design, picture and text are clear, the more important thing is to have good antiforge function.
The utility model is achieved by the following technical solutions:
A kind of antifalse composite sheet is characterized in that, is compounded with following each lamella successively: multi-layer co-extruded plastics film top layer, false proof embossing aluminium foil lamella, multi-layer co-extruded plastics film nexine.
Described multi-layer co-extruded plastics film top layer and false proof embossing aluminium foil interlayer, and combine by the bonding lamella between false proof embossing aluminium foil lamella and multi-layer co-extruded plastics film nexine.
The surface on described multi-layer co-extruded plastics film top layer is printed on ink lay.
The thickness of described false proof embossing aluminium foil lamella is the 20-60 micron.
The thickness of described multi-layer co-extruded plastics film top layer and multi-layer co-extruded plastics film nexine is the 40-120 micron.
Described multi-layer co-extruded plastics film top layer is by three-layer co-extruded composition, comprises the mixture layer of medium density polyethylene layer and two high density polyethylene (HDPE)s and medium density polyethylene;
Described multi-layer co-extruded plastics film nexine comprises the mixture layer of two high density polyethylene (HDPE)s and medium density polyethylene and the mixture layer of medium density polyethylene and linear low density polyethylene by three-layer co-extruded composition.
The thickness of each layer of the inner order of described each multi-layer co-extruded plastics film is than being 1-2: 2-3: 1-2.
Described multi-layer co-extruded plastics film top layer and multi-layer co-extruded plastics film nexine are the seven-layer coextruded plastic hyaline membrane, the top layer is the medium density polyethylene layer for seven layers, and nexine comprises the mixture layer of six medium density polyethylene layers and medium density polyethylene and linear low density polyethylene successively.
The thickness of each layer of the inner order of described each multi-layer co-extruded plastics film is than being 4.5-5.5: 3.5-4.5: 0.5-1.5: 1.5-2.5: 0.5-1.5: 3.5-4.5: 4.5-5.5.
The thickness of described bonding lamella is the 15-30 micron.
The utility model has the advantages that:
1. the utility model proposes the plastic-aluminum combined sheet material that manufacturing process is simple, interlaminar strength is high, this sheet material has the laser effect, has good anti-fake effect; And soft, make the people visual perception bright and colourful, from can very significantly being different from present several packaged forms in appearance;
2. a kind of antifalse composite sheet that the utility model proposes, surface can printing figure messages, by the combination of ink colors, pattern and spe-cial optical effects, make the packing more attractive, and are difficult to copy, and have good anti-fake effect.
3. the utility model is compound with the aluminium foil with spe-cial optical effects by multi-layer co-extruded plastics film, the package sheet material that is composited with other one multi-layer co-extruded hyaline membrane again, wherein aluminium foil all has quite high barrier to gas, moisture and ultraviolet ray, makes toothpaste, medicine or cosmetics have shelf-life more than 3 years.
4. the utility model adopts the supply of material of film volume, can on existing equipment, print, and tubulation and can, heat-sealable way is the high frequency sealing, and production process is simple, and cost is low.
5. the utility model can form the pattern with different optical effect after the embossing by make different decorative patterns on the aluminium foil emebosser on false proof embossing aluminium foil lamella, makes packing have different antifalse effects.
6. the utility model is with respect to other sheet material with antifalse effect, and technology is simpler, does not require coating or process transfering process, all adopts and extrudes compound technology, and the interlaminar strength of compound back plastics and aluminium foil can reach more than the 6N/15mm.
Description of drawings
Fig. 1 the utility model structural representation
The multi-layer co-extruded plastics membrane surface structure scheme drawing of Fig. 2 the utility model embodiment 1
The multi-layer co-extruded plastics film nexine structural representation of Fig. 3 the utility model embodiment 1
Wherein, 1: multi-layer co-extruded plastics film top layer; 2: the bonding lamella; 3: false proof embossing aluminium foil lamella; 4: the bonding lamella; 5: multi-layer co-extruded plastics film nexine.
The specific embodiment
As shown in Figure 1, a kind of antifalse composite sheet of the present utility model will have the multi-layer co-extruded plastics film top layer 1 of printing functionality, false proof embossing aluminium foil lamella 3 and multi-layer co-extruded plastics film nexine 5 by extrusion composite technology and be composited.The multi-layer co-extruded plastics film top layer 1 and the multi-layer co-extruded plastics film nexine 5 that wherein have the printing effect all are to make by multi-layer co-extruded inflation film manufacturing machine or curtain coating.
Concrete manufacturing process is as follows:
(1) by the multi-layer co-extruded plastics film of multi-layer co-extruded device fabrication top layer 1 and multi-layer co-extruded plastics film nexine 5; 1 surface, multi-layer co-extruded plastics film top layer is the medium density polyethylene layer, has good ink adhesion, can be used as printing element, is suitable for the table seal; Multi-layer co-extruded plastics film nexine 5 internal layers are the mixture layer of medium density polyethylene and linear low density polyethylene, have good heat sealability, can be used as hot sealing layer and use.The multi-layer co-extruded plastics film top layer 1 and the multi-layer co-extruded plastics film nexine 5 that are formed by co-extrusion are co-extruded by polyolefin or polyolefinic compound, finish on multi-layer co-extruded blown film equipment.
(2) false proof embossing aluminium foil lamella 3 thickness of making Antiforge by direct embossing is the aluminium foil of 20-60um, processes on special aluminium foil embosser.Special pattern design-calculated patterned roll and the pressure roller that suitable hardness is arranged are housed on the aluminium foil embosser, aluminium foil passes wherein, by the pressure of control pressure roller, machine speed guarantees the homogeneity of pattern of indentations on the aluminium foil and the degree of depth of aluminium foil embossing, thereby makes aluminium foil have special optical effect.
(3) carry out compoundly at the embossing face with the non-printing surface on multi-layer co-extruded plastics film top layer 1 and false proof embossing aluminium foil lamella 3 extruded on the equipment complex respectively, carry out the non-embossing face and the multi-layer co-extruded plastics film nexine 5 of aluminium foil compound.Select tackifying resin such as EAA in the extrusion composite technology for use, perhaps hybrid resin EAA mixes with PE as bonding lamella 2 and 4 aluminium foil layer 3 and plastic film lamella 1 and 5 is combined, and after testing, the interlayer combined strength bination is higher than 6N/15MM.
Embodiment 1:
(1) as shown in Figures 2 and 3, by the multi-layer co-extruded plastics film of three-layer co-extruded device fabrication top layer 1 and multi-layer co-extruded plastics film nexine 5; 1 surface, multi-layer co-extruded plastics film top layer is the medium density polyethylene layer, has good ink adhesion, can be used as printing element, is suitable for the table seal; Multi-layer co-extruded plastics film nexine 5 internal layers are mixture layers of medium density polyethylene and linear low density polyethylene, have good heat sealability, can be used as hot sealing layer and use.By multi-layer co-extruded plastics film top layer 1 and multi-layer co-extruded plastics film nexine 5 that co-extrusion forms, blown film forms on three-layer co-extruded blown film equipment.As shown in Figure 2, multi-layer co-extruded plastics film top layer 1 is by printed layers 11: barrier layer 12: compound 13 thickness rates layer by layer are the co-extrusion hyaline membrane that proportioning blowing that 1-2: 2-3: 1-2 sets forms three-decker.Wherein, printed layers 11 is medium density polyethylenes, and barrier layer 12 is compounds of high density polyethylene (HDPE) and medium density polyethylene, and composite bed 13 is compounds of high density polyethylene (HDPE) and medium density polyethylene.Multi-layer co-extruded plastics film nexine 5 is according to composite bed 51: barrier layer 52: hot sealing layer 53 thickness rates are the co-extrusion hyaline membrane that proportioning blowing that 1-2: 2-3: 1-2 sets forms three-decker.Wherein, composite bed 51 is compounds of high density polyethylene (HDPE) and medium density polyethylene, and barrier layer 52 is compounds of high density polyethylene (HDPE) and medium density polyethylene, and hot sealing layer 53 is compounds of medium density polyethylene and linear low density polyethylene.The two sides of adhesive sheet is stained with the composite bed 13 of multi-layer co-extruded plastics membrane layer 1 and the composite bed 51 of multi-layer co-extruded plastics film nexine 5 respectively.Required various resins and raw material enter screw rod according to the proportioning of setting after by the hopper weighing of automatic gauge, blow out by die head through behind the heating and melting, and the cooling while blowing, the tubbing slitting that blows out is rolling moulding separately into two.Control the good diaphaneity of film by the control chilling temperature, the deviation of thickness guarantees＜3%, 0.2＜COF＜0.3.Thereby guarantee pulsation-free operation when printing and tubulation.
(2) selection thickness is 20 microns aluminium foil, the pattern of pressing requirements on special aluminium foil embosser.Special pattern design-calculated patterned roll and the pressure roller that suitable hardness is arranged are housed on the aluminium foil embosser, aluminium foil passes wherein, pressure by the control pressure roller, machine speed guarantees the homogeneity of pattern of indentations on the aluminium foil and the degree of depth of aluminium foil embossing, thereby generates the false proof embossing aluminium foil lamella 3 with spe-cial optical effects.
(3) carry out compoundly at the embossing face with the composite bed 13 on multi-layer co-extruded plastics film top layer 1 and false proof embossing aluminium foil lamella 3 extruded on the equipment complex respectively, the non-embossing face of aluminium foil is pressed close to composite bed 51 and carried out compound with multi-layer co-extruded plastics film nexine 1.Select for use tackifying resin such as EAA as bonding lamella 2 and 4 in the extrusion composite technology, squeezing multiple thickness is 30 microns.
Embodiment 2:
(1) by the multi-layer co-extruded plastics film of seven-layer co-extrusion device fabrication top layer 1 and multi-layer co-extruded plastics film nexine 5; 1 surface, multi-layer co-extruded plastics film top layer is the medium density polyethylene layer, has good ink adhesion, can be used as printing element, is suitable for the table seal; Multi-layer co-extruded plastics film nexine 5 internal layers are mixture layers of medium density polyethylene and linear low density polyethylene, have good heat sealability, can be used as hot sealing layer and use.By multi-layer co-extruded plastics film top layer 1 and multi-layer co-extruded plastics film nexine 5 that co-extrusion forms, blown film forms on seven-layer co-extrusion blown film equipment.Multi-layer co-extruded plastics film top layer 1 totally seven layers, seven layers be medium density polyethylene entirely, its bed thickness ratio is 5: 4: 1: 2: 1: 4: 5, by the co-extrusion hyaline membrane of the proportioning blowing formation seven-layer structure of setting.Multi-layer co-extruded plastics film nexine 5 comprises the mixture layer of six continuous medium density polyethylene layers and medium density polyethylene and linear low density polyethylene, the bed thickness ratio of each layer is 5: 4: 1: 2: 1: 4: 5, and by the co-extrusion hyaline membrane of the proportioning blowing formation seven-layer structure of setting.The two sides of bonding lamella is stained with the one side on multi-layer co-extruded plastics film top layer 1 and the medium density polyethylene layer of multi-layer co-extruded plastics film nexine 5 respectively.Required various resins and raw material enter screw rod according to the proportioning of setting after by the hopper weighing of automatic gauge, blow out by die head through behind the heating and melting, and the cooling while blowing, the tubbing slitting that blows out is rolling moulding separately into two.Control the good diaphaneity of film by the control chilling temperature, the deviation of thickness guarantees＜2%, 0.15＜COF＜0.3.Thereby guarantee pulsation-free operation when printing and tubulation.
(2) selection thickness is 60 microns aluminium foil, the pattern of pressing requirements on special aluminium foil embosser.Special pattern design-calculated patterned roll and the pressure roller that suitable hardness is arranged are housed on the aluminium foil embosser, aluminium foil passes wherein, pressure by the control pressure roller, machine speed guarantees the homogeneity of pattern of indentations on the aluminium foil and the degree of depth of aluminium foil embossing, thereby generates the false proof embossing aluminium foil lamella 3 with spe-cial optical effects.
(3) carry out compoundly at the embossing face with the non-printing surface on multi-layer co-extruded plastics film top layer 1 and false proof embossing aluminium foil lamella 3 extruded on the equipment complex respectively, carry out the non-embossing face of false proof embossing aluminium foil lamella 3 and the medium density polyethylene face of multi-layer co-extruded plastics film nexine 5 compound.Select for use tackifying resin such as EAA and PE co-extrusion as bonding lamella 2 and 4 in the extrusion composite technology, squeezing multiple thickness is 20 microns.
Claims (10)
1. an antifalse composite sheet is characterized in that, is compounded with following each lamella successively: multi-layer co-extruded plastics film top layer, false proof embossing aluminium foil lamella, multi-layer co-extruded plastics film nexine.
2. a kind of antifalse composite sheet as claimed in claim 1 is characterized in that, described multi-layer co-extruded plastics film top layer and false proof embossing aluminium foil interlayer, and combine by the bonding lamella between false proof embossing aluminium foil lamella and multi-layer co-extruded plastics film nexine.
3. a kind of antifalse composite sheet as claimed in claim 1 is characterized in that, the surface on described multi-layer co-extruded plastics film top layer is printed on ink lay.
4. a kind of antifalse composite sheet as claimed in claim 1 is characterized in that the thickness of described false proof embossing aluminium foil lamella is the 20-60 micron.
5. a kind of antifalse composite sheet as claimed in claim 1 is characterized in that, the thickness of described multi-layer co-extruded plastics film top layer and multi-layer co-extruded plastics film nexine is the 40-120 micron.
6. a kind of antifalse composite sheet as claimed in claim 5 is characterized in that,
Described multi-layer co-extruded plastics film top layer and described multi-layer co-extruded plastics film nexine are by forming by three-layer co-extruded layer.
7. a kind of antifalse composite sheet as claimed in claim 6 is characterized in that, the thickness of each layer of the inner order of described each multi-layer co-extruded plastics film is than being 1-2: 2-3: 1-2.
8. a kind of antifalse composite sheet as claimed in claim 5 is characterized in that, described multi-layer co-extruded plastics film top layer and multi-layer co-extruded plastics film nexine are formed by the seven-layer co-extrusion layer.
9. a kind of antifalse composite sheet as claimed in claim 8 is characterized in that, the thickness of each layer of the inner order of described each multi-layer co-extruded plastics film is than being 4.5-5.5: 3.5-4.5: 0.5-1.5: 1.5-2.5: 0.5-1.5: 3.5-4.5: 4.5-5.5.
10. a kind of antifalse composite sheet as claimed in claim 2 is characterized in that the thickness of described bonding lamella is the 15-30 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200541296U CN201116188Y (en) | 2007-07-16 | 2007-07-16 | Novel false proof composite sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200541296U CN201116188Y (en) | 2007-07-16 | 2007-07-16 | Novel false proof composite sheet material |
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| Publication Number | Publication Date |
|---|---|
| CN201116188Y true CN201116188Y (en) | 2008-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200541296U Expired - Fee Related CN201116188Y (en) | 2007-07-16 | 2007-07-16 | Novel false proof composite sheet material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509636A (en) * | 2019-08-09 | 2019-11-29 | 黄山永新股份有限公司 | A kind of plastic-aluminum combined epiphragma of water boiling resistance and its production technology |
-
2007
- 2007-07-16 CN CNU2007200541296U patent/CN201116188Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509636A (en) * | 2019-08-09 | 2019-11-29 | 黄山永新股份有限公司 | A kind of plastic-aluminum combined epiphragma of water boiling resistance and its production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20150716 |
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| EXPY | Termination of patent right or utility model |