CN101413123A - Locating dealuminzation method for surface of aluminum plating film - Google Patents
Locating dealuminzation method for surface of aluminum plating film Download PDFInfo
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- CN101413123A CN101413123A CNA2008102195598A CN200810219559A CN101413123A CN 101413123 A CN101413123 A CN 101413123A CN A2008102195598 A CNA2008102195598 A CN A2008102195598A CN 200810219559 A CN200810219559 A CN 200810219559A CN 101413123 A CN101413123 A CN 101413123A
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- plating film
- coating
- aluminium
- locating
- supercoat
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Abstract
The invention relates to a method for dealuminizating through surface positioning of an aluminizer, which is characterized by comprising the following steps: 1) coating paint on the area needing protection on the surface of the aluminizer to form a protective coating on the area needing protection on the surface of the aluminizer; 2) putting the aluminizer into a storage tank filled with a strong lye to remove aluminum layers without the protective coating on the aluminizer; and 3) cleaning, drying and winding the aluminizer. Compared with the prior art, the method has the advantages that the aluminum layers can be 'hollowed' into any shape so that the aluminizer can generate special decorative effect, packaging patterns on the aluminizer have brighter stereovision to improve the copying difficulty and the anti-counterfeit capability simultaneously; besides, the method can also satisfy the client requirement, and part of a packaging structure is transparent for the need of exhibiting the product.
Description
Technical field
The present invention relates to the working method on a kind of aluminium plating film surface, more specifically to a kind of locating dealuminzation method for surface of aluminum plating film.
Background technology
Existing vacuum aluminum-coated wrapping material are generally full version aluminium coated, and printing is used for the packing of product after the aluminium coated process printing of full version or the Compound Machining.
But this vacuum aluminum-coated wrapping material are opaque fully, for product producer, can't show and propagate the product of oneself, and for consumers, also can't see material object from seeing through packing, can't really understand product.
Summary of the invention
The objective of the invention is prior art is improved, a kind of locating dealuminzation method for surface of aluminum plating film is provided, the aluminium lamination of aluminium plating film surface local can be removed, the technical scheme of employing is as follows:
A kind of locating dealuminzation method for surface of aluminum plating film of the present invention is characterized in that: may further comprise the steps:
1) zone that needs protection with coating coating aluminium plating film surface, the zone that needs protection on the aluminium plating film surface forms supercoat;
2) above-mentioned aluminium plating film is put into the storage tank that aqueous alkali is housed, remove the aluminium lamination that does not have the supercoat part on the aluminium plating film;
3) above-mentioned aluminium plating film is cleaned back oven dry and rolling.
Described coating is made after dissolving acrylic resin and vinyl chloride-vinyl acetate resin by the lower boiling mixed solvent, and supercoat is made up of acrylic resin and vinyl chloride-vinyl acetate resin, and the weight ratio of acrylic resin and vinyl chloride-vinyl acetate resin is 1:(1.5～4.5).After coating is applied on the aluminium plating film; enter oven for drying; in the time that baking oven passes through is 10～20 seconds; lower boiling mixed solvent in the coating can vapor away; therefore supercoat does not contain the lower boiling mixed solvent; supercoat has sticking power preferably to aluminium lamination, has cutting performance preferably, so that location, coating back picture and text edge clear.
Described lower boiling mixed solvent can be selected butyl ester and ethyl ester for use, or butyl ester and butanone, or butyl ester, ethyl ester and butanone, the weight percent of lower boiling mixed solvent and acrylic resin and vinyl chloride-vinyl acetate resin is (1～4): 1, the weight percent that is to say both total amounts of acrylic resin and vinyl chloride-vinyl acetate resin and lower boiling mixed solvent is 1:(1～4), to reach better dissolving resin and to satisfy the needs that are coated with effect.
Described aqueous alkali can be selected sodium hydroxide solution or potassium hydroxide solution for use.
The concentration of described aqueous alkali is 5%～25%, and supercoat can not dissolve in aqueous alkali.
In the described step 1), coating is coated on the aluminium plating film surface with the anilox roll that is carved with the location picture and text.
Described step 2) in; aluminium plating film with the coating supercoat; after putting into the storage tank that aqueous alkali is housed; the aluminium lamination and the highly basic of not protected coating protection part react on the aluminium plating film, generate meta-aluminate and hydrogen, and hydrogen overflow from alkali lye; meta-aluminate is soluble in water then to be entered in the alkali lye; and the aluminium lamination of protected coating protection part can not react with highly basic, therefore obtains keeping, and forms the pattern of local hollow out.
The present invention's beneficial effect against existing technologies is, can carry out " hollow out " of arbitrary shape to aluminium lamination, make aluminium plating film produce special decorative effect, the packaging pattern on the aluminium plating film has distinct gradation sense, increase imitated difficulty simultaneously, improved the anti-counterfeit capability of product; It is local transparent so that the needs of exhibiting product to satisfy the customer requirement packaging structure in addition.
Embodiment
Embodiment 1
A kind of locating dealuminzation method for surface of aluminum plating film in the present embodiment may further comprise the steps:
1) adopt the anilox roll that is carved with the location picture and text that coating is applied to the zone that the aluminium plating film surface needs protection, after coating is applied on the aluminium plating film, enter oven for drying, in the time that baking oven passes through is 10 seconds, make the lower boiling mixed solvent in the coating to vapor away, the zone that needs protection on the aluminium plating film surface forms supercoat;
2) above-mentioned aluminium plating film is put into the storage tank that aqueous alkali is housed and removed the aluminium lamination that does not have the supercoat part on the aluminium plating film;
3) above-mentioned aluminium plating film is cleaned the back by oven for drying, rolling then through clean water basin.
Described supercoat is made up of acrylic resin and vinyl chloride-vinyl acetate resin, and the weight ratio of acrylic resin and vinyl chloride-vinyl acetate resin is 1:1.5, and adopts the dissolving of lower boiling mixed solvent.Supercoat has sticking power preferably to aluminium lamination, has cutting performance preferably, so that location, coating back picture and text edge clear.
Described lower boiling mixed solvent is selected butyl ester and butanone for use, and the weight percent of both total amounts of acrylic resin and vinyl chloride-vinyl acetate resin and lower boiling mixed solvent is 1:1.
Described aqueous alkali is selected potassium hydroxide solution for use, and its concentration is 5%, and supercoat can not dissolve in aqueous alkali.
Described step 2) aluminium plating film of coating supercoat in; after putting into the storage tank that aqueous alkali is housed, the aluminium lamination and the highly basic of not protected coating protection part react on the aluminium plating film, generate meta-aluminate and hydrogen; and hydrogen overflows from alkali lye, and meta-aluminate is soluble in water then to be entered in the alkali lye.
Embodiment 2
A kind of locating dealuminzation method for surface of aluminum plating film in the present embodiment may further comprise the steps:
1) adopt the anilox roll that is carved with the location picture and text that coating is applied to the zone that the aluminium plating film surface needs protection, after coating is applied on the aluminium plating film, enter oven for drying, in the time that baking oven passes through is 20 seconds, make the lower boiling mixed solvent in the coating to vapor away, the zone that needs protection on the aluminium plating film surface forms supercoat;
2) above-mentioned aluminium plating film is put into the storage tank that aqueous alkali is housed and removed the aluminium lamination that does not have the supercoat part on the aluminium plating film;
3) above-mentioned aluminium plating film is cleaned the back by oven for drying, rolling then through clean water basin.
Described supercoat is made up of acrylic resin and vinyl chloride-vinyl acetate resin, and the weight ratio of acrylic resin and vinyl chloride-vinyl acetate resin is 1:4.5, and adopts the dissolving of lower boiling mixed solvent.Supercoat has sticking power preferably to aluminium lamination, has cutting performance preferably, so that location, coating back picture and text edge clear.
Described lower boiling mixed solvent is selected butyl ester and ethyl ester for use, and the weight percent of both total amounts of acrylic resin and vinyl chloride-vinyl acetate resin and lower boiling mixed solvent is 1:4.
Described aqueous alkali is selected sodium hydroxide solution for use, and its concentration is 25%, and supercoat can not dissolve in aqueous alkali.
Described step 2) aluminium plating film of coating supercoat in; after putting into the storage tank that aqueous alkali is housed, the aluminium lamination and the highly basic of not protected coating protection part react on the aluminium plating film, generate meta-aluminate and hydrogen; and hydrogen overflows from alkali lye, and meta-aluminate is soluble in water then to be entered in the alkali lye.
Embodiment 3
A kind of locating dealuminzation method for surface of aluminum plating film in the present embodiment may further comprise the steps:
1) adopt the anilox roll that is carved with the location picture and text that coating is applied to the zone that the aluminium plating film surface needs protection, after coating is applied on the aluminium plating film, enter oven for drying, in the time that baking oven passes through is 15 seconds, make the lower boiling mixed solvent in the coating to vapor away, the zone that needs protection on the aluminium plating film surface forms supercoat;
2) above-mentioned aluminium plating film is put into the storage tank that aqueous alkali is housed and removed the aluminium lamination that does not have the supercoat part on the aluminium plating film;
3) above-mentioned aluminium plating film is cleaned the back by oven for drying, rolling then through clean water basin.
Described supercoat is made up of acrylic resin and vinyl chloride-vinyl acetate resin, and the weight ratio of acrylic resin and vinyl chloride-vinyl acetate resin is 1:3, and adopts the dissolving of lower boiling mixed solvent.Supercoat has sticking power preferably to aluminium lamination, has cutting performance preferably, so that location, coating back picture and text edge clear.
Described lower boiling mixed solvent is selected butyl ester, ethyl ester and butanone for use, and the weight percent of both total amounts of acrylic resin and vinyl chloride-vinyl acetate resin and lower boiling mixed solvent is 1:2.5.
Described aqueous alkali is selected sodium hydroxide solution for use, and its concentration is 15%, and supercoat can not dissolve in aqueous alkali.
Described step 2) aluminium plating film of coating supercoat in; after putting into the storage tank that aqueous alkali is housed, the aluminium lamination and the highly basic of not protected coating protection part react on the aluminium plating film, generate meta-aluminate and hydrogen; and hydrogen overflows from alkali lye, and meta-aluminate is soluble in water then to be entered in the alkali lye.
Claims (8)
1, a kind of locating dealuminzation method for surface of aluminum plating film is characterized in that: may further comprise the steps:
1) zone that needs protection with coating coating aluminium plating film surface, the zone that needs protection on the aluminium plating film surface forms supercoat;
2) above-mentioned aluminium plating film is put into the storage tank that aqueous alkali is housed, remove the aluminium lamination that does not have the supercoat part on the aluminium plating film;
3) above-mentioned aluminium plating film is cleaned back oven dry and rolling.
2, locating dealuminzation method for surface of aluminum plating film as claimed in claim 1 is characterized in that: described coating is made after dissolving acrylic resin and vinyl chloride-vinyl acetate resin by the lower boiling mixed solvent; After coating is applied on the aluminium plating film; enter oven for drying; lower boiling mixed solvent in the coating vapors away the back and forms supercoat, and supercoat is made up of acrylic resin and vinyl chloride-vinyl acetate resin, and the weight ratio of aforesaid propylene acid resin and vinyl chloride-vinyl acetate resin is 1:(1.5～4.5).
3, locating dealuminzation method for surface of aluminum plating film as claimed in claim 2 is characterized in that: described lower boiling mixed solvent can be selected butyl ester and ethyl ester for use, or butyl ester and butanone, or butyl ester, ethyl ester and butanone.
4, locating dealuminzation method for surface of aluminum plating film as claimed in claim 3 is characterized in that: the weight percent of both total amounts of described acrylic resin and vinyl chloride-vinyl acetate resin and lower boiling mixed solvent is 1:(1～4).
5, locating dealuminzation method for surface of aluminum plating film as claimed in claim 1 is characterized in that: described aqueous alkali is selected sodium hydroxide solution or potassium hydroxide solution for use.
6, locating dealuminzation method for surface of aluminum plating film as claimed in claim 5 is characterized in that: the concentration of described aqueous alkali is 5%～25%.
7, locating dealuminzation method for surface of aluminum plating film as claimed in claim 1 is characterized in that: in the described step 1), with the anilox roll that is carved with the location picture and text coating is coated on the aluminium plating film surface.
8, locating dealuminzation method for surface of aluminum plating film as claimed in claim 1; it is characterized in that: described step 2); aluminium plating film with the coating supercoat; after putting into the storage tank that aqueous alkali is housed; the aluminium lamination and the highly basic of not protected coating protection part react on the aluminium plating film; generate meta-aluminate and hydrogen; and hydrogen overflows from alkali lye; meta-aluminate is soluble in water then to be entered in the alkali lye; and the aluminium lamination of protected coating protection part can not react with highly basic; therefore obtain keeping, form the pattern of local hollow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102195598A CN101413123A (en) | 2008-11-25 | 2008-11-25 | Locating dealuminzation method for surface of aluminum plating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102195598A CN101413123A (en) | 2008-11-25 | 2008-11-25 | Locating dealuminzation method for surface of aluminum plating film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101413123A true CN101413123A (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102195598A Pending CN101413123A (en) | 2008-11-25 | 2008-11-25 | Locating dealuminzation method for surface of aluminum plating film |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882441A (en) * | 2014-03-25 | 2014-06-25 | 东方电气集团东方汽轮机有限公司 | Repairing method of 2Cr12NiMo1W1V blade surface Al coating |
| CN103990620A (en) * | 2014-05-16 | 2014-08-20 | 广东壮丽彩印股份有限公司 | Method and device for removing aluminum of base membrane |
| CN108842153A (en) * | 2018-05-16 | 2018-11-20 | 深圳仕上电子科技有限公司 | Utilize the method for potassium hydroxide solution removing aluminium film |
| CN111180361A (en) * | 2019-12-13 | 2020-05-19 | 贵州航天计量测试技术研究所 | Wet unsealing method for plastic package device |
-
2008
- 2008-11-25 CN CNA2008102195598A patent/CN101413123A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882441A (en) * | 2014-03-25 | 2014-06-25 | 东方电气集团东方汽轮机有限公司 | Repairing method of 2Cr12NiMo1W1V blade surface Al coating |
| CN103990620A (en) * | 2014-05-16 | 2014-08-20 | 广东壮丽彩印股份有限公司 | Method and device for removing aluminum of base membrane |
| CN103990620B (en) * | 2014-05-16 | 2017-04-05 | 广东壮丽彩印股份有限公司 | A kind of method and apparatus of basement membrane dealuminzation |
| CN108842153A (en) * | 2018-05-16 | 2018-11-20 | 深圳仕上电子科技有限公司 | Utilize the method for potassium hydroxide solution removing aluminium film |
| CN111180361A (en) * | 2019-12-13 | 2020-05-19 | 贵州航天计量测试技术研究所 | Wet unsealing method for plastic package device |
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Open date: 20090422 |