CN100537227C - Vacuum aluminium plating film with high adhesion to aluminium and its production method - Google Patents
Vacuum aluminium plating film with high adhesion to aluminium and its production method Download PDFInfo
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- CN100537227C CN100537227C CNB2007101337879A CN200710133787A CN100537227C CN 100537227 C CN100537227 C CN 100537227C CN B2007101337879 A CNB2007101337879 A CN B2007101337879A CN 200710133787 A CN200710133787 A CN 200710133787A CN 100537227 C CN100537227 C CN 100537227C
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Abstract
The invention discloses a vacuum aluminum film, which has a high adhesion to aluminum as well as its production method. A corona layer is blended up with an isotactic polypropylene and / or a copolymer polypropylene, and a polyolefin elastomer which can be melted with the polypropylene and an anti-adherent. A middle layer group comprises the isotactic polypropylene. A heat layer group consists of polypropylene or isotactic polypropylene. The invention enhances the adhesion of the aluminum layer through adding polar polymer material into the film corona layer. The testing result of the aluminum layer adhesion of the vacuum aluminum flow extension film provided by the invention is larger than 1.0 Newton, while the testing result of the aluminum layer adhesion of a general vacuum aluminum flow extension film is only 0.6 Newton at most. The invention can be widely used for printing, compositing and packaging areas, and has an excellent barrier property for water vapor and oxygen.
Description
Technical field
The present invention relates to a kind of printing, compound, packaging field of being used for, have the vacuum aluminum-coated cast film and the production method of high adhesion force.
Background technology
Because vacuum aluminized film has excellent barrier property to steam and oxygen, has been widely used in the packaging for foodstuff industry at present.But common vacuum aluminum-coated cast film phenomenon or the very little situation of peeling force that aluminium lamination shifts can occur after compound with other films (as the BOPP film), causes the easy layering of composite membrane, has a strong impact on the shelf-life of product.The conventional vacuum cast film of aluminizing generally adopts three-decker: corona layer, intermediate layer, hot sealing layer, the corona layer uses homopolymerization or COPP, and HOPP is used in the intermediate layer, and hot sealing layer uses COPP, the use The tape casting is produced, and aluminizes at the corona layer after the film forming.Cast film is after the corona layer is aluminized but conventional vacuum is aluminized, and the adhesive force of aluminium lamination is not very high, and this can exert an influence to the composite effect of back.
Summary of the invention
The objective of the invention is to avoid conventional vacuum aluminize the aluminium lamination adhesive force of cast film less, cause the deficiency that compound back aluminium lamination shifts and a kind of vacuum aluminum-coated thin and production method that aluminium is had high adhesion force that provides.
Technical scheme of the present invention is as follows:
The vacuum aluminized film that aluminium is had high adhesion force, include corona processing layer, intermediate layer and hot sealing layer, it is characterized in that: described corona layer, by the isotactic HOPP or/and COPP, can melt mixed polyolefin elastomer, antitack agent blend with polypropylene and form, wherein, polypropylene accounts for 75%-95%, and polyolefin elastomer accounts for 3%-20%, antitack agent 1-5%; The intermediate layer component is the isotactic HOPP; The hot sealing layer component is COPP or isotactic HOPP.
Described COPP is meant propylene-ethylene copolymers, propene-1-butene copolymer, propylene-octene copolymer, propylene-ethylene-butene trimer or propylene-ethylene-octene trimer.
Described isotactic HOPP is formed, and wherein auxiliary material only contains antioxidant and chlorine is captured agent.
The percentage by weight of each component is in the described corona layer: polypropylene copolymer or isotactic HOPP 83-90%, polyolefin elastomer 8-14%, antitack agent 2-3%; The intermediate layer component is isotactic HOPP or the COPP that contains/do not contain antitack agent; The hot sealing layer component is polypropylene trimer or isotactic HOPP.
The production method that aluminium is had the vacuum aluminized film of high adhesion force, it is characterized in that: in the process of the vacuum aluminized film that adopts the production of curtain coating coextruding method to form, in the corona processing layer material, add the blend of polar polymer material by corona processing layer, intermediate layer and hot sealing layer.
Described have the production method of the vacuum aluminized film of high adhesion force to aluminium, it is characterized in that: the polyolefin elastomer of described polar polymer material for mixing with polypropylene melt, its percentage by weight in corona processing layer is 3%-20%.
Described have the production method of the vacuum aluminized film of high adhesion force to aluminium, it is characterized in that: the polyolefin elastomer of described polar polymer material for mixing with polypropylene melt, its percentage by weight in corona processing layer is 7%-15%.
The present invention passes through to add the polar polymer material at film corona layer, thereby reaches the effect of the adhesive force that improves aluminium coated.This polar polymer and polypropylene have good miscibility, can not influence the physical property of film.In addition, the polarity of this material and aluminium have good compatibility, thereby strengthen the adhesive force of aluminium coated and corona strata propylene.These are more many greatly than aluminize cast film aluminium lamination and polyacrylic adhesive force of conventional vacuum.The vacuum aluminum-coated cast film that the present invention produced, aluminium coated adhesive force testing result are all greater than 1.0 newton, and cast film aluminium coated adhesive force testing result maximum has only 0.6 newton and conventional vacuum is aluminized.
The specific embodiment
1, the production method that aluminium is had the vacuum aluminized film of high adhesion force, be in the process of the vacuum aluminized film that adopts the production of curtain coating coextruding method to form, in the corona processing layer material, add the blend of polar polymer material by corona processing layer, intermediate layer and hot sealing layer.Its corona processing layer is used homopolymerization or COPP, and HOPP is used in the intermediate layer, and hot sealing layer uses COPP, uses The tape casting production, aluminizes at the corona layer after the film forming.Its corona processing layer, intermediate layer, hot sealing layer also can adopt the component (except the polyolefin elastomer that good miscibility is arranged in the corona processing layer, because added this component in this technology) in following 2.
2, aluminium is had the vacuum aluminized film of high adhesion force, comprising:
A) corona layer, can be by the isotactic HOPP or/and COPP, form by the polyolefin elastomer blending of good miscibility with polypropylene.
B) intermediate layer is made up of the isotactic HOPP.Only containing antioxidant and chlorine, to capture the isotactic HOPP of agent good especially.This strata propylene accounts for 100%.
C) hot sealing layer is made up of COPP.The kind of copolymer has: propylene-ethylene copolymers, propene-1-butene copolymer, propylene-octene copolymer, propylene-ethylene-butene trimer or propylene-ethylene-octene trimer.The antitack agent that is used for this layer can prevent the adhesion of film and film.Wherein, COPP accounts for 95%-98%, and antitack agent accounts for 2%-5%.
1# China, Kingsoft petrochemical industry, FC801M, the isotactic HOPP contains the antitack agent of 300ppm.
TM(melt?point)＝162℃，MI＝8.0
2# Japan, Mitsui, FX4HCM, polypropylene trimer
TM(melt?point)＝112℃，MI＝7.0
3# Japan, Mitsui, FW4BM, COPP
TM(melt?point)＝125℃，MI＝7.5
4# Korea S, Samsung, HF429, isotactic HOPP
TM(melt?point)＝162℃，MI＝8.0
5# Korea S, Kpic, CF3230, isotactic HOPP
TM(melt?point)＝137℃，MI＝7.5
The 6# U.S., Tao Shi, EG8200, polyolefin elastomer
TM(melt?point)＝145℃，MI＝5.0
7# Korea S, Kpic, CF3392, isotactic HOPP
TM(melt?point)＝130℃，MI＝6.5
8# Japan, Mitsui, antitack agent EAZ-10, synthetic silica active ingredient accounts for 10%
Preferred embodiment of the present invention is (membrane structure is a/b/c):
1、3#89.5％+6#8.0％+8#2.5％/4#100％/2#100％
2、3#87.5％+6#10％+8#2.5％/4#100％/2#100％
3、3#85.0％+6#12％+8#3.0％/4#100％/2#100％
4、3#83.0％+6#14％+8#3.0％/4#100％/2#100％
The effect of the foregoing description is best, but formulation cost is higher.In order to reduce cost, can select other raw materials to substitute.The 3# raw material can substitute with 1# or 5#; The 4# raw material can substitute with 1#; The 2# raw material can substitute with 7#.For example, the formulation cost of sequence number 5 embodiment is minimum.
5、1#87.5％+6#10％+8#2.5％/1#100％/7#100％
For the consideration to comprehensive qualities such as film aluminium lamination adhesive force, wetting tension hold facility, heat sealability, formulation costs, 6 embodiment are better for sequence number.
6、3#87.5％+6#10％+8#2.5％/1#100％/2#100％
Claims (3)
1, the vacuum aluminized film that aluminium is had high adhesion force, include corona processing layer, intermediate layer and hot sealing layer, it is characterized in that: described corona processing layer, by the isotactic HOPP or/and COPP, can melt mixed polyolefin elastomer, antitack agent blend with polypropylene and form, wherein, polypropylene accounts for 75%-95%, and polyolefin elastomer accounts for 3%-20%, antitack agent 1-5%; The intermediate layer component is the isotactic HOPP; The hot sealing layer component is COPP or isotactic HOPP.
2, the vacuum aluminized film that aluminium is had high adhesion force according to claim 1, it is characterized in that described COPP is meant propylene-ethylene copolymers, propene-1-butene copolymer, propylene-octene copolymer, propylene-ethylene-butene trimer or propylene-ethylene-octene trimer.
3, the vacuum aluminized film that aluminium is had high adhesion force according to claim 1, the percentage by weight that it is characterized in that each component in the described corona processing layer is: polypropylene copolymer or isotactic HOPP 83-90%, polyolefin elastomer 8-14%, antitack agent 2-3%; The intermediate layer component is HOPP such as grade or the COPP that contains/do not contain the antitack agent agent; The hot sealing layer component is polypropylene trimer or isotactic HOPP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101337879A CN100537227C (en) | 2007-09-30 | 2007-09-30 | Vacuum aluminium plating film with high adhesion to aluminium and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101337879A CN100537227C (en) | 2007-09-30 | 2007-09-30 | Vacuum aluminium plating film with high adhesion to aluminium and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101143499A CN101143499A (en) | 2008-03-19 |
| CN100537227C true CN100537227C (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007101337879A Expired - Fee Related CN100537227C (en) | 2007-09-30 | 2007-09-30 | Vacuum aluminium plating film with high adhesion to aluminium and its production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079762A1 (en) * | 2009-12-29 | 2011-07-07 | 海南赛诺实业有限公司 | Biaxially oriented polypropylene film substrate free from primer coating and film free from primer coating |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265349B (en) * | 2008-04-10 | 2011-04-20 | 汕头市贝斯特科技有限公司 | Inorganic anti-sticking master batch used for BOPP thin film and producing technique thereof |
| CN103722835A (en) * | 2013-12-27 | 2014-04-16 | 浙江金瑞薄膜材料有限公司 | Method for improving fastness of aluminized-stage polymer polypropylene material |
| CN103802389A (en) * | 2014-01-17 | 2014-05-21 | 安徽双津实业有限公司 | Ultralow temperature heat-sealing tape-casting polypropylene aluminum plating film |
| CN106926540A (en) * | 2017-03-03 | 2017-07-07 | 河南浩达塑业股份有限公司 | A kind of high adhesion force barrier is aluminized base material film and preparation method thereof |
| CN110920174A (en) * | 2019-12-16 | 2020-03-27 | 嘉兴鹏翔包装材料有限公司 | VMCPP film capable of being heat-sealed at 90 degrees and preparation method thereof |
| CN113021961A (en) * | 2021-03-15 | 2021-06-25 | 江苏宗亮新材料有限公司 | Processing technology of enhanced aluminized cast polypropylene film |
-
2007
- 2007-09-30 CN CNB2007101337879A patent/CN100537227C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079762A1 (en) * | 2009-12-29 | 2011-07-07 | 海南赛诺实业有限公司 | Biaxially oriented polypropylene film substrate free from primer coating and film free from primer coating |
| US9068097B2 (en) | 2009-12-29 | 2015-06-30 | Hainan Shiner Industrial Co., Ltd. | Biaxially oriented polypropylene film substrate free from primer coating and film free from primer coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101143499A (en) | 2008-03-19 |
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Assignee: Anhui Shuangjin Group Co., Ltd. Assignor: Tang Xinguo Contract record no.: 2011340000338 Denomination of invention: Vacuum aluminium plating film with high adhesion to aluminium and its production method Granted publication date: 20090909 License type: Exclusive License Open date: 20080319 Record date: 20110812 |
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Owner name: ANHUI SHUANGJIN CO., LTD. Free format text: FORMER OWNER: TANG XINGUO Effective date: 20131129 |
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Effective date of registration: 20131129 Address after: 242300, No. 1, West Antarctic Road, Xuancheng, Anhui, Ningguo Patentee after: ANHUI SHUANGJIN CO., LTD. Address before: 242300 No. 69 industrial West Road, Ningguo Economic Development Zone, Anhui, China Patentee before: Tang Xinguo |
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