CN103786387A - Novel aluminum-plated casting polypropylene - Google Patents
Novel aluminum-plated casting polypropylene Download PDFInfo
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- CN103786387A CN103786387A CN201410057474.XA CN201410057474A CN103786387A CN 103786387 A CN103786387 A CN 103786387A CN 201410057474 A CN201410057474 A CN 201410057474A CN 103786387 A CN103786387 A CN 103786387A
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Abstract
The invention discloses novel aluminum-plated casting polypropylene, which comprises a polypropylene base material and an aluminum-plated layer, wherein both a core layer and a heat seal layer of the polypropylene base material are made of conventional materials, a corona layer comprises the materials of polypropylene random tercopolymer and maleic anhydride-grafted polyolefin in the weight ratio of (50-99):(50-1) or (70-99):(30-1), and the maleic anhydride grafting rate is more than or equal to 1. After adopting the scheme and according to the aluminum-plated casting polypropylene, the performance of the polypropylene base material can be improved by the maleic anhydride-grafted polyolefin, the adsorption strength of the aluminum-plated layer and the polypropylene base material can be enhanced, so that increasing of the thickness of the aluminum-plated layer is possible. The barrier property on barring light, gas and the like of the aluminum-plated casting polypropylene can be promoted, the transparency is low, the applications of the aluminum-plated casting polypropylene on the barrier property requirement of industries can be widened, so that the aluminum-plated casting polypropylene can be widely used for flexible packaging industry, and is very strong in packaging applicability, wide in packaging application range, suitable for commercialization, and strong in practicability.
Description
Technical field
The present invention relates to flexible package field, specifically the salivation polypropylene of aluminizing in package compound structure.
technical field
The salivation polypropylene of aluminizing is the heat-sealing type material in package compound structure.The aluminize production technology of salivation polypropylene material of plain edition is under vacuum state, to make the aluminium powder physical property of vaporization be attached on polypropylene base and form aluminium coated, and the adsorption strength between aluminium coated and polypropylene base is very low, generally lower than 0.2N/15mm.Cause aluminium coated cannot reach certain thickness because adhesive force is low, otherwise have the problem that aluminium powder comes off, aluminum layer thickness is generally in 380am left and right.Like this, on the one hand, the thickness of aluminium coated determined to aluminize salivation polyacrylic barrier poor, light transmittance is also higher, having limited aluminize salivation the polyacrylic scope of application; On the other hand, the too low salivation polypropylene that causes aluminizing of the adsorption strength between aluminium coated and polypropylene base is not suitable for commercialization, and practicality is poor.
Summary of the invention
The object of this invention is to provide a kind of good barrier property, the light transmittance novel salivation polypropylene of aluminizing low, applied widely.
Another object of the present invention is to provide a kind of suitable commercialization, the novel salivation polypropylene of aluminizing that practicality is stronger.
To achieve these goals, the present invention adopts following technical scheme:
A kind of novel salivation polypropylene of aluminizing, comprise polypropylene base and aluminium coated, polypropylene base forms by casting machine is three-layer co-extruded, there is the corona layer, sandwich layer and the hot sealing layer that are combined with each other, aluminium coated is attached on the corona layer of polypropylene base, the material of sandwich layer adopts 100% HOPP, and the material of hot sealing layer adopts 100% ternary atactic copolymerized polypropene; It is ternary atactic copolymerized polypropene and the maleic anhydride stem grafting polyolefin of 50-99:50-1 or 70-99:30-1 that the material of corona layer adopts weight ratio, wherein, and maleic anhydride grafting ratio >=1.
Adopt after such scheme, the novel cast polypropylene of aluminizing of the present invention, it is ternary atactic copolymerized polypropene and the maleic anhydride stem grafting polyolefin of 50-99:50-1 or 70-99:30-1 that the material of corona layer adopts weight ratio, and in maleic anhydride stem grafting polyolefin, maleic anhydride grafting ratio >=1.Improve the performance of polypropylene base by maleic anhydride stem grafting polyolefin, improved the adsorption strength of aluminium coated and polypropylene base, thereby made the thickness that improves aluminium coated become possibility.
On the one hand, aluminum layer thickness thickening and aluminium powder does not come off, has promoted the barrier such as resistance photoresistance gas of the cast polypropylene of aluminizing, and with visible light permeability test, its light transmittance is low, and optical density is high.The alternative pure aluminum foil of part application surface uses, and having expanded the cast polypropylene of aluminizing has the application aspect barrier requirement in all trades and professions, has solved and has made the alternative problem that barrier layer is applied on the packaging with metal.
On the other hand, the raising of the adsorption strength of aluminium coated and polypropylene base, the cast polypropylene that makes to aluminize can be widely used in Flexible-Packaging Industry, and packing applicability is very strong, and packaging applications face is also very wide, suitable commercialization, practicality is stronger.
The specific embodiment
The novel salivation polypropylene of aluminizing of one of the present invention, comprise polypropylene base and aluminium coated, polypropylene base forms by casting machine is three-layer co-extruded, there is the corona layer, sandwich layer and the hot sealing layer that are combined with each other, aluminium coated is attached on the corona layer of polypropylene base, the material of sandwich layer adopts 100% HOPP, and the material of hot sealing layer adopts 100% ternary atactic copolymerized polypropene; The material of corona layer adopts ternary atactic copolymerized polypropene and the maleic anhydride stem grafting polyolefin that weight ratio is 50-99:50-1, or weight ratio be 70-99:30-1 ternary atactic copolymerized polypropene and maleic anhydride stem grafting polyolefin, wherein, maleic anhydride grafting ratio >=1.
Adopt after such scheme, the novel cast polypropylene of aluminizing of the present invention, in the time that the material of corona layer adopts ternary atactic copolymerized polypropene that weight ratio is 50-99:50-1 and maleic anhydride stem grafting polyolefin, improved the performance of polypropylene base by maleic anhydride stem grafting polyolefin, the adsorption strength of aluminium coated and polypropylene base can reach 0.4-1.0N/15mm, the commercial applications thickness that the peel strength between two layers of material can reach above (the light-weight packed national standard 0.8N/15mm of the composite packaging double-layer structure) aluminium coated of 1.2-2.5N/15mm during as composite bed reaches as high as 580am.Aluminum layer thickness thickening and aluminium powder does not come off, has promoted the barrier such as resistance photoresistance gas of the cast polypropylene of aluminizing, and with visible light permeability test, its light transmittance is low, and optical density is high.The alternative pure aluminum foil of part application surface uses, and having expanded the cast polypropylene of aluminizing has the application aspect barrier requirement in all trades and professions, has solved and has made the alternative problem that barrier layer is applied on the packaging with metal.
In the time that the material of corona layer adopts ternary atactic copolymerized polypropene that weight ratio is 70-99:30-1 and maleic anhydride stem grafting polyolefin, improved the performance of polypropylene base by maleic anhydride stem grafting polyolefin, the adsorption strength of aluminium coated and polypropylene base can reach 0.4-0.6N/15mm, and the commercial applications thickness that the peel strength between two layers of material can reach above (the light-weight packed national standard 0.8N/15mm of the composite packaging double-layer structure) aluminium coated of 1.2-1.8N/15mm during as composite bed reaches as high as 480am.The adsorption strength of aluminium coated and polypropylene base improves, and the cast polypropylene that makes to aluminize can be widely used in Flexible-Packaging Industry, and packing applicability is very strong, and packaging applications face is also very wide, suitable commercialization, and practicality is stronger.
Claims (1)
1. the novel salivation polypropylene of aluminizing, comprise polypropylene base and aluminium coated, polypropylene base forms by casting machine is three-layer co-extruded, there is the corona layer, sandwich layer and the hot sealing layer that are combined with each other, aluminium coated is attached on the corona layer of polypropylene base, the material of sandwich layer adopts 100% HOPP, and the material of hot sealing layer adopts 100% ternary atactic copolymerized polypropene; It is characterized in that: it is ternary atactic copolymerized polypropene and the maleic anhydride stem grafting polyolefin of 50-99:50-1 or 70-99:30-1 that the material of corona layer adopts weight ratio, wherein, maleic anhydride grafting ratio >=1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410057474.XA CN103786387A (en) | 2014-02-20 | 2014-02-20 | Novel aluminum-plated casting polypropylene |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410057474.XA CN103786387A (en) | 2014-02-20 | 2014-02-20 | Novel aluminum-plated casting polypropylene |
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| CN103786387A true CN103786387A (en) | 2014-05-14 |
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| CN201410057474.XA Pending CN103786387A (en) | 2014-02-20 | 2014-02-20 | Novel aluminum-plated casting polypropylene |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128482A (en) * | 2015-09-01 | 2015-12-09 | 福建凯达集团有限公司 | Degradable low-temperature-resistant three-layer co-extrusion blow-molding composite polyethylene film and preparing method thereof |
| CN106626671A (en) * | 2016-09-27 | 2017-05-10 | 吕江鹏 | Matte aluminizing film and production method thereof |
| WO2020067047A1 (en) * | 2018-09-28 | 2020-04-02 | 凸版印刷株式会社 | Laminated film and packaging container |
| CN113728475A (en) * | 2020-12-29 | 2021-11-30 | 宁德新能源科技有限公司 | Composite current collector, preparation method thereof and electrochemical device |
| CN113815280A (en) * | 2021-08-05 | 2021-12-21 | 黄山永新股份有限公司 | Easily-recycled high-barrier low-temperature heat-seal packaging composite film and production method thereof |
| CN115139615A (en) * | 2022-08-25 | 2022-10-04 | 河北泰达包装材料有限公司 | Flexible package modified CPP film and production method thereof |
| CN115873349A (en) * | 2021-09-29 | 2023-03-31 | 中国石油化工股份有限公司 | Corona layer composition of cast polypropylene aluminized film, polypropylene aluminized film and application |
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| EP1466725A1 (en) * | 2003-04-11 | 2004-10-13 | Amcor Flexibles Europe A/S | Transparent retort-stable high barrier laminates |
| CN101213246A (en) * | 2005-07-01 | 2008-07-02 | 纳幕尔杜邦公司 | Composition comprising acid anhydride-grafted polyolefin |
| CN102952331A (en) * | 2012-10-17 | 2013-03-06 | 中国石油化工股份有限公司 | Aluminum-plating-grade casting homo-polypropylene film material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1532248A (en) * | 2003-02-07 | 2004-09-29 | ���з��ɹ�˾ | Metallized multi layer coating |
| EP1466725A1 (en) * | 2003-04-11 | 2004-10-13 | Amcor Flexibles Europe A/S | Transparent retort-stable high barrier laminates |
| CN101213246A (en) * | 2005-07-01 | 2008-07-02 | 纳幕尔杜邦公司 | Composition comprising acid anhydride-grafted polyolefin |
| CN102952331A (en) * | 2012-10-17 | 2013-03-06 | 中国石油化工股份有限公司 | Aluminum-plating-grade casting homo-polypropylene film material and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128482A (en) * | 2015-09-01 | 2015-12-09 | 福建凯达集团有限公司 | Degradable low-temperature-resistant three-layer co-extrusion blow-molding composite polyethylene film and preparing method thereof |
| CN106626671A (en) * | 2016-09-27 | 2017-05-10 | 吕江鹏 | Matte aluminizing film and production method thereof |
| WO2020067047A1 (en) * | 2018-09-28 | 2020-04-02 | 凸版印刷株式会社 | Laminated film and packaging container |
| CN113728475A (en) * | 2020-12-29 | 2021-11-30 | 宁德新能源科技有限公司 | Composite current collector, preparation method thereof and electrochemical device |
| WO2022141069A1 (en) * | 2020-12-29 | 2022-07-07 | 宁德新能源科技有限公司 | Composite current collector and manufacturing method therefor, and electrochemical device |
| CN113728475B (en) * | 2020-12-29 | 2024-04-26 | 宁德新能源科技有限公司 | Composite current collector, preparation method thereof and electrochemical device |
| CN113815280A (en) * | 2021-08-05 | 2021-12-21 | 黄山永新股份有限公司 | Easily-recycled high-barrier low-temperature heat-seal packaging composite film and production method thereof |
| CN115873349A (en) * | 2021-09-29 | 2023-03-31 | 中国石油化工股份有限公司 | Corona layer composition of cast polypropylene aluminized film, polypropylene aluminized film and application |
| CN115139615A (en) * | 2022-08-25 | 2022-10-04 | 河北泰达包装材料有限公司 | Flexible package modified CPP film and production method thereof |
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