CN203567291U - Cold stamped solid medicine composite hard sheet - Google Patents
Cold stamped solid medicine composite hard sheet Download PDFInfo
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- CN203567291U CN203567291U CN201320752530.2U CN201320752530U CN203567291U CN 203567291 U CN203567291 U CN 203567291U CN 201320752530 U CN201320752530 U CN 201320752530U CN 203567291 U CN203567291 U CN 203567291U
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Abstract
The utility model provides a cold stamped solid medicine composite hard sheet and belongs to the technical field of medicine packaging materials. The cold stamped solid medicine composite hard sheet solvers the problem that the water vapor and oxygen transmission rate of the existing medicine composite hard sheet is high. The cold stamped solid medicine composite hard sheet comprises a polyamide layer, an aluminum foil layer and a polyvinyl chloride layer which are sequentially arranged, wherein a dry laminating adhesive layer is arranged between the aluminum foil layer and the polyamide layer, the surface of the aluminum foil layer comprises an aluminum phosphate thin film and a rough layer, the surface of the aluminum foil layer is coated with a polyurethane resin layer, the polyurethane resin layer is arranged between the aluminum foil layer and the polyamide layer, a maleic anhydride modified polyethylene layer and an acrylic acid modified polyethylene layer are sequentially arranged between the polyamide layer and the aluminum foil layer, and adhesive layers which are made of alcohol-waterborne polyurethane modified polyacrylic ester are respectively arranged between the acrylic acid modified polyethylene layer and the polyurethane resin layer and between the aluminum foil layer and the polyurethane resin layer. The cold stamped solid medicine composite hard sheet has the advantages of long service life and low water vapor and oxygen transmission rate.
Description
Technical field
The utility model belongs to pharmaceutical pack material technology field, particularly a kind of cold stamping solid medicinal composite hard sheet.
Background technology
At existing medicine packaging industry, adopt PVC plastic uptake and medical aluminum foil PTP to carry out heat seal packing, there is performance deficiencies such as intercepting water vapour, oxygen in PVC, the resting periods such as medicine, health products, food are short, and the light transmission of PVC can not effectively intercept ultraviolet ray, and easily aging under ultraviolet ray is irradiated, produce toxic gas.Although China's pharmaceuticals industry and health products, food service industry develop rapidly, drug packing material has also obtained develop rapidly, but the hot belt type cold stamping composite hard sheet structure existing in the industry is at present nylon layer (both aramid layers), aluminium foil layer, hot pressing and plastic uptake PVC involution after moulding, this series products easily causes between nylon layer and aluminium foil layer and in layering and punching course, causes aluminium foil layer damaged in cold stamping process, affect shelf life of products and reduction production efficiency.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the cold stamping solid medicinal composite hard sheet that a kind of long service life, steam, OTR oxygen transmission rate reduce.
The purpose of this utility model can realize by following technical proposal: a kind of cold stamping solid medicinal composite hard sheet, comprise the aramid layer setting gradually, aluminium foil layer, polyvinyl chloride layer, between described aluminium foil layer and described polyvinyl chloride layer, be provided with a dry multiple glue layer, it is characterized in that, the surface of described aluminium foil layer comprises aluminum phosphate film and rough layer, at aluminium foil layer surface-coated, there are urethane resin layer and described urethane resin layer between aluminium foil layer and aramid layer, between described aramid layer and described aluminium foil layer, be also disposed with maleic anhydride modified polyethylene layer and acrylic acid modified polyethylene layer, described acrylic acid modified polyethylene layer and described urethane resin layer, between aluminium foil layer and urethane resin layer, be equipped with the adhesive layer that adopts alcohol-water based polyurethane modified polyacrylate to make.
Compared with prior art, the utlity model has following advantage:
1, interlayer adhesion increases, and steam, OTR oxygen transmission rate reduce, and barrier property increases, and global formation performance improves; Can stable prod quality, extend product service life and improving product security performance.
2, employing has stronger boiling resistance alcohol-water based polyurethane modified polyacrylate adhesive, replace original non-Environmental Safety toluene or ethyl acetate solvent borne polyurethane hot setting adhesive, polyester/aluminium/polyvinyl medicine composite film for foods package is carried out to bonding modification, during laminating production, the discharge of drying is nontoxic nonflammable alcohol-water mixing gas, not only thoroughly overcome the shortcoming of existing non-environment-friendly adhesive, kept again the Integrated using performance that this drug and food composite packing film is good simultaneously, thereby promoted well the production technology quality grade of this compound soft packing material product, obtained good environment protection modification effect.
3, the maleic anhydride modified polyethylene layer of extruding by coextrusion mode and acrylic acid modified polyethylene layer, not only have with accompanying separately aluminium foil layer, aramid layer and there is higher peel strength, and whole extruding layer is soft, toughness is strong, there is high hot strength and elongation at break, can effectively prevent that the aluminium that product may occur in cold stamping process from splitting and the problems such as absciss layer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, aramid layer; 2, aluminium foil layer; 3, polyvinyl chloride layer; 4, dry multiple glue layer; 5, urethane resin layer; 6, maleic anhydride modified polyethylene layer; 7, acrylic acid modified polyethylene layer; 8, adhesive layer.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this cold stamping solid medicinal composite hard sheet comprises the aramid layer 1 setting gradually, aluminium foil layer 2, polyvinyl chloride layer 3, between aluminium foil layer 2 and described polyvinyl chloride layer 3, be provided with a dry multiple glue layer 4, the surface of aluminium foil layer 2 comprises aluminum phosphate film and rough layer, at aluminium foil layer 2 surface-coateds, there are urethane resin layer 5 and described urethane resin layer 5 between aluminium foil layer 2 and aramid layer 1, between described aramid layer 1 and described aluminium foil layer 2, be also disposed with maleic anhydride modified polyethylene layer 6 and acrylic acid modified polyethylene layer 7, acrylic acid modified polyethylene layer 7 and urethane resin layer 5, between aluminium foil layer 2 and urethane resin layer 5, be equipped with the adhesive layer 8 that adopts alcohol-water based polyurethane modified polyacrylate to make.
The maleic anhydride modified polyethylene layer 6 of extruding by coextrusion mode and acrylic acid modified polyethylene layer 7, not only have with accompanying separately aluminium foil layer 2, aramid layer 1 and there is higher peel strength, and whole extruding layer is soft, toughness is strong, there is high hot strength and elongation at break, can effectively prevent that the aluminium that product may occur in cold stamping process from splitting and the problems such as absciss layer.
Adopt and there is stronger boiling resistance alcohol-water based polyurethane modified polyacrylate adhesive simultaneously, replace original non-Environmental Safety toluene or ethyl acetate solvent borne polyurethane hot setting adhesive, polyester/aluminium/polyvinyl medicine composite film for foods package is carried out to bonding modification, during laminating production, the discharge of drying is nontoxic nonflammable alcohol-water mixing gas, not only thoroughly overcome the shortcoming of existing non-environment-friendly adhesive, kept again the Integrated using performance that this drug and food composite packing film is good simultaneously, thereby promoted well the production technology quality grade of this compound soft packing material product, obtained good environment protection modification effect
This cold stamping solid medicinal composite hard sheet interlayer adhesion increases, and steam, OTR oxygen transmission rate reduce, and barrier property increases, and global formation performance improves; Can stable prod quality, extend product service life and improving product security performance
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (1)
1. a cold stamping solid medicinal composite hard sheet, comprise the aramid layer setting gradually, aluminium foil layer, polyvinyl chloride layer, between described aluminium foil layer and described polyvinyl chloride layer, be provided with a dry multiple glue layer, it is characterized in that, the surface of described aluminium foil layer comprises aluminum phosphate film and rough layer, at aluminium foil layer surface-coated, there are urethane resin layer and described urethane resin layer between aluminium foil layer and aramid layer, between described aramid layer and described aluminium foil layer, be also disposed with maleic anhydride modified polyethylene layer and acrylic acid modified polyethylene layer, described acrylic acid modified polyethylene layer and described urethane resin layer, between aluminium foil layer and urethane resin layer, be equipped with the adhesive layer that adopts alcohol-water based polyurethane modified polyacrylate to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320752530.2U CN203567291U (en) | 2013-11-25 | 2013-11-25 | Cold stamped solid medicine composite hard sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320752530.2U CN203567291U (en) | 2013-11-25 | 2013-11-25 | Cold stamped solid medicine composite hard sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203567291U true CN203567291U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320752530.2U Expired - Fee Related CN203567291U (en) | 2013-11-25 | 2013-11-25 | Cold stamped solid medicine composite hard sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203567291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589728A (en) * | 2014-12-31 | 2015-05-06 | 宁波龙安包装科技有限公司 | Cold-stamping composite hard tablet for solid medicine |
-
2013
- 2013-11-25 CN CN201320752530.2U patent/CN203567291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589728A (en) * | 2014-12-31 | 2015-05-06 | 宁波龙安包装科技有限公司 | Cold-stamping composite hard tablet for solid medicine |
| CN104589728B (en) * | 2014-12-31 | 2016-08-24 | 宁波龙安包装科技有限公司 | Cold stamping solid medicinal composite hard sheet |
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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: 20140430 Termination date: 20171125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |