CN103707584A - Aluminum-plated base film with low coefficient of friction - Google Patents
Aluminum-plated base film with low coefficient of friction Download PDFInfo
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- CN103707584A CN103707584A CN201410025133.4A CN201410025133A CN103707584A CN 103707584 A CN103707584 A CN 103707584A CN 201410025133 A CN201410025133 A CN 201410025133A CN 103707584 A CN103707584 A CN 103707584A
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- aluminum
- friction
- base film
- film
- plated base
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Abstract
The invention relates to an aluminum-plated base film with low coefficient of friction. The aluminum-plated base film comprises a core film and a surface layer film, and is characterized in that the surface layer film is a composite layer containing homopolymer polypropylene and glass beads in the weight ratio of (95%-97%):(3%-5%), and the particle size of the glass beads is 0.5 micron. The aluminum-plated base film has the advantages that the coefficient of friction is reduced to 0.2-0.3, the aluminum plating speed is improved to above 500m/s, and the work efficiency is greatly improved.
Description
Technical field:
The present invention relates to plastic film, particularly a kind of aluminium plating basement membrane of low-friction coefficient.
Background technology:
Plastic film is aluminized and is implemented on vacuum diaphragm aluminum-spraying machine.Aluminium plating basement membrane unreels and walk around cambered surface on front carrying roller on backward, walk around the roller lower camber side of aluminizing under backward, upwards walk around cambered surface on rear carrying roller again enters winder.Before and after carrying roller play idler roller effect, that basement membrane is to horizontal S shape is tight with the roller combination of aluminizing, in the vacuum space of roller of aluminizing, the aluminium wire of its below is subject to after hot gas volatilization gaseous aluminum upwards to meet the cold aluminium plating basement membrane lower surface that is attached to and forms aluminium coated.Basement membrane is when doing tight the moving ahead of horizontal S shape, its upper and lower surface and front and back carrying roller, the roller of aluminizing exist and drag contact friction force, basement membrane is wound on unreeling machine, when departing from basement membrane cut roll point orientation, basement membrane there is equally frictional force, these frictional force have influence on basement membrane gait of march, namely have influence on the work efficiency of aluminizing.
Existing basement membrane is trilamellar membrane, and its core membrane material is HOPP, thick approximately 13 microns.In order to make diaphragm with antistatic, anti-adhesion effects, so core film is two-sided, be attached with upper and lower top layer, bed thickness is 1 micron.Skin-material generally be take HOPP as major ingredient, combines with composite master batch.Existing composite master batch is 2-3% inorganic silicon class antitack agent, and the skin-friction coefficient forming is more than 0.5.Existing front line speed is 200 meter per seconds, and this coefficient too greatly can affect the speed of aluminizing.Also have people in order to reduce coefficient of friction, composite master batch is selected slipping agent, and coefficient of friction has reduced, but attachment fastness also reduced, and the basic quality of film declines inadvisable.
We analyze and research to this problem, the particle diameter of finding inorganic silicon class antitack agent reaches 2 microns, and top layer is thick, be only 1 micron, on microcosmic, analyze inorganic silicon class antitack agent random projection of meeting in top layer, certainly also have part to be dipped into core film, but great majority all want projection on top layer, bossing is lattice-like, form top layer compared with large roughness, this larger roughness causes higher coefficient of friction.
Summary of the invention:
The object of the invention is to overcome above-mentioned defect, and a kind of aluminium plating basement membrane of low-friction coefficient is provided.
The solution of the present invention is: comprise core film, top layer film, it is characterized in that: top layer film is HOPP and the glass microballoon composite bed of weight ratio 95-97% to 3-5%, and glass microballoon particle diameter is 0.5 micron.
The invention has the advantages that: coefficient of friction reduces to 0.2-0.3, more than the speed of aluminizing is brought up to 500 meter per seconds, work efficiency greatly improves.
Accompanying drawing explanation:
Fig. 1 is existing aluminium plating basement membrane structural representation.
Fig. 2 is carrying roller before and after aluminum-spraying machine, the roller combining structure of aluminizing schematic diagram.
Fig. 3 is structural representation of the present invention.
The specific embodiment:
The present invention includes core film 1, top layer film 2, it is characterized in that: top layer film 2 is the HOPP of weight ratio 95-97% to 3-5% and glass microballoon 4 composite beds, and glass microballoon 4 particle diameters are 0.5 micron.
Glass microballoon 4 particle diameters are less than skin depth, so when compound glass microballon 4 and HOPP, glass microballoon is embedded in HOPP substantially, certainly surface can not be completely smooth, also have a small amount of glass microballoon projection, but height of projection is generally less than particle diameter half, only have 1-2 microns.The surface roughness of its formation is significantly smaller than the roughness that inorganic silicon class antitack agent 3 forms, thereby coefficient of friction drops to 0.2-0.3.
Claims (1)
1. the aluminium plating basement membrane of a low-friction coefficient, comprise core film (1), top layer film (2), it is characterized in that: top layer film (2) is the HOPP of weight ratio 95-97% to 3-5% and glass microballoon (4) composite bed, and glass microballoon (4) particle diameter is 0.5 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025133.4A CN103707584A (en) | 2014-01-09 | 2014-01-09 | Aluminum-plated base film with low coefficient of friction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025133.4A CN103707584A (en) | 2014-01-09 | 2014-01-09 | Aluminum-plated base film with low coefficient of friction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103707584A true CN103707584A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410025133.4A Pending CN103707584A (en) | 2014-01-09 | 2014-01-09 | Aluminum-plated base film with low coefficient of friction |
Country Status (1)
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| CN (1) | CN103707584A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786359A (en) * | 2009-12-31 | 2010-07-28 | 广东威孚包装材料有限公司 | Transfer basement film for use in aluminum plating of gold and silver ornaments |
| CN102417655A (en) * | 2011-10-10 | 2012-04-18 | 上海金浦塑料包装材料有限公司 | BOPP aluminized basement membrane capable of completely transferring aluminized coating |
| CN202965344U (en) * | 2012-12-15 | 2013-06-05 | 凯威塑胶工业有限公司 | Heat-seal-type BOPP (Biaxially-oriented Polypropylene) aluminium plating base membrane |
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2014
- 2014-01-09 CN CN201410025133.4A patent/CN103707584A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786359A (en) * | 2009-12-31 | 2010-07-28 | 广东威孚包装材料有限公司 | Transfer basement film for use in aluminum plating of gold and silver ornaments |
| CN102417655A (en) * | 2011-10-10 | 2012-04-18 | 上海金浦塑料包装材料有限公司 | BOPP aluminized basement membrane capable of completely transferring aluminized coating |
| CN202965344U (en) * | 2012-12-15 | 2013-06-05 | 凯威塑胶工业有限公司 | Heat-seal-type BOPP (Biaxially-oriented Polypropylene) aluminium plating base membrane |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140409 |