CN107138362A - A kind of application process of easy open cover - Google Patents
A kind of application process of easy open cover Download PDFInfo
- Publication number
- CN107138362A CN107138362A CN201710350118.0A CN201710350118A CN107138362A CN 107138362 A CN107138362 A CN 107138362A CN 201710350118 A CN201710350118 A CN 201710350118A CN 107138362 A CN107138362 A CN 107138362A
- Authority
- CN
- China
- Prior art keywords
- open cover
- easy open
- application process
- light material
- reverse side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
Abstract
The invention discloses a kind of application process of easy open cover, shorten technological process, save cost input, shorten the aluminum profile extrusion cycle, the correct time of delivery is improved, the easy open cover of this technique includes obverse and reverse, and the application process of the obverse and reverse comprises the following steps：A, selection aluminium light material；B, clean and dry the light material；C, by the light material be passivated；The positive application process is further comprising the steps of：D1, smearing organic coating, solidification；E1, cutting；F1, printed patterns；G1, the easy open cover being molded front；The application process of the reverse side is further comprising the steps of：D2, smearing organic coating, solidification；G2, the easy open cover reverse side being molded；The step D1 and step D2 is synchronously carried out.
Description
Technical field
The present invention relates to easy open cover product scope, more particularly to a kind of application process of easy open cover.
Background technology
Pop can is a kind of canister, and easy open cover is a structure in pop can, and easy open cover is typically mounted at easy-to-draw
, there is the indentation for tear at the top of tank between the two, and indentation is easy to easy open cover to be separated with pop can.
Easy open cover is typically all made up of aluminium, and aluminium needs just meet production and application standard by working process, processing
Typically there is two ways.Mode one, coil coating, using aluminium as substrate, through surface preparation, smears one layer or several layers of organic paintings
Material, baking-curing shaping is obtained, and high in machining efficiency, the cycle is short, and the aluminum product being made can directly send production of machinery easy open cover.Side
Formula two, piece is applied, it is necessary to customize the light material without coating, and size needed for cutting sends into coating factory printed patterns；But without coating
Light material need to carry out the processing of multi-step, including (DOS oil is SA two for cleaning, drying, Passivation Treatment, DOS oiling treatments
Pungent fat, raw material antirust, lubrication and raising punching performance for food container), whole process processing efficiency is low, the cycle
It is long, it is costly.
In the prior art, it is general to apply mode using piece to needing the easy open cover of processing printed pattern, but due to its entirety
Processing efficiency is low, is very easy to being smoothed out for influence production, can be influenceed when serious and delay the production cycle.
For how to improve and need the easy open cover processing technology efficiency of printed patterns, cost input is reduced, is this area skill
Art personnel continue the direction researched and developed.
The content of the invention
The invention provides a kind of easy open cover application process, shorten technological process, save cost input, shorten aluminum profile extrusion
In the cycle, improve the correct time of delivery.
To solve the above problems, a kind of easy open cover application process that the present invention is provided, the easy open cover includes front and anti-
Face, the application process of the obverse and reverse comprises the following steps：
A, selection aluminium light material；
B, clean and dry the light material；
C, by the light material be passivated；
The positive application process is further comprising the steps of：
D1, smearing organic coating, solidification；
E1, cutting；
F1, printed patterns；
G1, the easy open cover being molded front；
The application process of the reverse side is further comprising the steps of：
D2, smearing organic coating, solidification；
G2, the easy open cover reverse side being molded；
The step D1 and step D2 is synchronously carried out.
Preferably, the light material passivation of the step C uses chromium-free deactivation mode.
Preferably, the passivator of the chromium-free deactivation is acrylic resin, epoxy resin, tannic acid, phytic acid and organic-molybdenum
Any one in hydrochlorate.
Preferably, the organic coating described in step D1 and step D2 is epoxy phenolics.
Preferably, step D1 and step D2 are specially：Epoxy phenolics, front are smeared to light material front and/or reverse side
Coating layer thickness be 3~6g/ ㎡, the coating layer thickness of reverse side is 9~11g/ ㎡, solidification.
Preferably, it is described to smear epoxy phenolics to light material front and/or reverse side, be specially：In 25~35 DEG C of ring
Under border, epoxy phenolics is smeared to light material front and/or reverse side；
The solidification is specially：In the environment of 100~150 DEG C, 15~30min of static solidification.
As can be seen from the above technical solutions, the present invention has advantages below：Light material is dried, is passivated by the present invention, upper painting
Material solidification, cutting, printed patterns, technical process are simple, easy to operate, compared with the prior art, effectively reduce the use of coating.This
The easy open cover application process of invention, such as the easy open cover client for the pattern that is adapted to be printed on one side, positive processing printed pattern, reverse side one side
Coil coating.Using light material aluminium, while effectively abandoning the cumbersome processing technology of piece painting, shorten technological process, save cost input, contracting
In the short aluminum profile extrusion cycle, improve the correct time of delivery.
Embodiment
The invention provides a kind of easy open cover application process, shorten technological process, save cost input, shorten aluminum profile extrusion
In the cycle, improve the correct time of delivery.
Present invention is generally directed to the easy open cover for the pattern that is printed on one side.For the pattern that is printed on one side, another side is schemed without printing
Case, is preferred material from aluminium light material, and aluminium light material surface is easy to user to make various processing without any processing.
It should be noted that the present invention describes obverse and reverse, in practical operation, obverse and reverse has no very tight
The boundary of lattice, is construed as in the present invention：The one side of printed patterns is needed to be referred to as front, the one side without printing is referred to as
For reverse side.
A kind of easy open cover application process that the present invention is provided, the easy open cover includes obverse and reverse, described positive and anti-
The application process in face comprises the following steps：
A, selection aluminium light material；
B, clean and dry the light material；
C, by the light material be passivated；
The positive application process is further comprising the steps of：
D1, smearing organic coating, solidification；
E1, cutting；
F1, printed patterns；
G1, the easy open cover being molded front；
The application process of the reverse side is further comprising the steps of：
D2, smearing organic coating, solidification；
G2, the easy open cover reverse side being molded；
The step D1 and step D2 is synchronously carried out.
In the present invention, it is routine techniques to choose aluminium light material, clean and dry the light material, therefore without detailed description.
Preferably, the light material passivation of the step C uses chromium-free deactivation mode.
Preferably, the passivator of the chromium-free deactivation is acrylic resin, epoxy resin, tannic acid, phytic acid and organic-molybdenum
Any one in hydrochlorate.
In a humid environment, metal and metal coating surface are easily by atmospheric corrosion, and forming corrosion product causes color
Change, performance and outward appearance to metal have undesirable effect, especially for the metal of food, be even more important to anticorrosive.
The passivation of aluminium can use multiple material, and most popular at present is the processing work of hexavalent chromium solution passivation
Skill, passivation layer corrosion resistance is strong, also has damaged self-healing capability, but Cr VI effect on environment is very serious.Exclude sexavalence
The pollution of chromium removes trivalent chromium, it is necessary to first by hexavalent chrome reduction into trivalent chromium, then by precipitating, and does not ensure that trivalent chromium
It can remove completely, therefore the present invention uses chromium-free deactivation, reduces the pollution to environment.
Preferably, the organic coating described in step D1 and step D2 is epoxy phenolics.
Epoxy phenolics, i.e. novolac epoxy resin, also referred to as F types epoxy resin, phenol enters with formaldehyde in acid medium
Row polycondensation reaction obtains linear phenol-aldehyde resin, then with excess propylene oxide in the presence of sodium hydroxide polycondensation reaction and be made.Ring
Oxygen phenolic resin epoxy group content is big, and viscosity is big, high with product crosslink density after solidification, there is good physical mechanical.
Preferably, step D1 and step D2 are specially：Epoxy phenolics, front are smeared to light material front and/or reverse side
Coating layer thickness be 3~6g/ ㎡, the coating layer thickness of reverse side is 9~11g/ ㎡, solidification.
Preferably, it is described to smear epoxy phenolics to light material front and/or reverse side, be specially：In 25~35 DEG C of ring
Under border, epoxy phenolics is smeared to light material front and/or reverse side；
The solidification is specially：In the environment of 100~150 DEG C, 15~30min of static solidification.
Light material is dried, is passivated by the present invention, coat solidification, cutting, printed patterns, and technical process is simple, easy to operate,
Compared with the prior art, the use of coating is effectively reduced.The easy open cover application process of the present invention, is adapted to the easy-to-draw of pattern that be printed on one side
Cover client, such as positive processing printed pattern, reverse side one side coil coating.Using light material aluminium, add while effectively abandoning the cumbersome of piece painting
Work technique, shortens technological process, saves cost input, shortens the aluminum profile extrusion cycle, improves the correct time of delivery.
It is described in detail below by specific embodiment.
Specific embodiment：
Easy open cover application process, comprises the following steps：
The aluminium light material that thickness is 0.27~0.28mm is chosen, cleaning dries drying at 70~80 DEG C, uses acrylic acid
Any one in resin, epoxy resin, tannic acid, phytic acid and organic molybdate carries out chromium-free deactivation to dried light material；
Organic coating is smeared simultaneously to easy open cover obverse and reverse, organic coating selects epoxy phenolics, 25~35
In the environment of DEG C, epoxy phenolics is smeared to light material front and/or reverse side, front smearing thickness is 3~6g/ ㎡, reverse side
Coating layer thickness is 9~11g/ ㎡；Then in the environment of 100~150 DEG C, static solidification 15~30min is easy after being smeared
Draw cover material；
Easy open cover is sent into machine, cut according to size needed for production, after the completion of cutting, easy open cover front is carried out
Pattern printing, the easy open cover after being smeared.
Below by multiple embodiments, the present invention is described in detail, and the technique of the present invention is carried out by reference examples
Compare.
Embodiment 1
The easy open cover application process of the present embodiment 1, comprises the following steps：
Choose thickness be 0.27mm aluminium light material, cleaning, dry drying at 75 DEG C, using epoxy resin to drying after
Light material carry out chromium-free deactivation；
Organic coating is smeared simultaneously to easy open cover obverse and reverse, organic coating selects epoxy phenolics, at 28 DEG C
Under environment, epoxy phenolics is smeared to light material obverse and reverse, front smearing thickness is 5g/ ㎡, and the coating layer thickness of reverse side is
10g/ ㎡, then in the environment of 120 DEG C, static solidification 19min, the easy-to-draw cover material after being smeared；
Easy open cover is sent into machine, cut according to size needed for production, after the completion of cutting, easy open cover front is carried out
Pattern printing, the easy open cover after being smeared.
The aluminium light material of selection amounts to 100m2。
Embodiment 2
The easy open cover application process of the present embodiment 2, comprises the following steps：
Choose thickness be 0.27mm aluminium light material, cleaning, dry drying at 75 DEG C, using epoxy resin to drying after
Light material carry out chromium-free deactivation；
Organic coating is smeared simultaneously to easy open cover obverse and reverse, organic coating selects epoxy phenolics, at 28 DEG C
Under environment, epoxy phenolics is smeared to light material obverse and reverse, front smearing thickness is 3g/ ㎡, and the coating layer thickness of reverse side is
9g/ ㎡, then in the environment of 120 DEG C, static solidification 19min, the easy-to-draw cover material after being smeared；
Easy open cover is sent into machine, cut according to size needed for production, after the completion of cutting, easy open cover front is carried out
Pattern printing, the easy open cover after being smeared.
The aluminium light material of selection amounts to 100m2。
Embodiment 3
The easy open cover application process of the present embodiment 3, comprises the following steps：
Choose thickness be 0.27mm aluminium light material, cleaning, dry drying at 75 DEG C, using epoxy resin to drying after
Light material carry out chromium-free deactivation；
Organic coating is smeared simultaneously to easy open cover obverse and reverse, organic coating selects epoxy phenolics, at 28 DEG C
Under environment, epoxy phenolics is smeared to light material obverse and reverse, front smearing thickness is 6g/ ㎡, and the coating layer thickness of reverse side is
11g/ ㎡, then in the environment of 120 DEG C, static solidification 19min, the easy-to-draw cover material after being smeared；
Easy open cover is sent into machine, cut according to size needed for production, after the completion of cutting, easy open cover front is carried out
Pattern printing, the easy open cover after being smeared.
The aluminium light material of selection amounts to 100m2。
Reference examples
Choose aluminium light material and amount to 100m2, conventional cleaning, drying, Passivation Treatment, DOS oiling treatments, to be cut and printing
Pattern, is finally made easy open cover.
Compare：
1st, the weight of coated paint of comparing embodiment 1, embodiment 2, embodiment 3 and reference examples：The weight of coated paint of embodiment 2<
The weight of coated paint of embodiment 1<The weight of coated paint of embodiment 3<<Reference examples weight of coated paint (<<Expression is much larger than).
2nd, the resting period for the product that comparing embodiment 1, embodiment 2, embodiment 3 and reference examples are obtained (was note with 30 days
The record time, record the corrosion condition and state of each embodiment and reference examples product)：
The etch state of embodiment 2<The storage configuration of embodiment 1<The storage configuration ≈ reference examples storage configurations of embodiment 3, implement
The corrosion of example 3 and reference examples is minimum, but 4 corrosion condition and state are more or less the same substantially.
It can be seen that, easy open cover application process of the invention, effectively reduction aluminium coating take, aluminium coating take about 250 yuan/
Ton, such as a large amount of productions can greatly save aluminium coating expense.Furtherly, DOS oiling treatments be maintain the storage of light material requirement it
One, now by the technique of the present invention, effectively reduce even using DOS oil, reduce technological process, then by the production schedule and
Arrange, prevent the appearance of other quality problems, the input of cost can be substantially reduced.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a kind of easy open cover application process, it is characterised in that the easy open cover includes obverse and reverse, the obverse and reverse
Application process comprises the following steps：
A, selection aluminium light material；
B, clean and dry the light material；
C, by the light material be passivated；
The positive application process is further comprising the steps of：
D1, smearing organic coating, solidification；
E1, cutting；
F1, printed patterns；
G1, the easy open cover being molded front；
The application process of the reverse side is further comprising the steps of：
D2, smearing organic coating, solidification；
G2, the easy open cover reverse side being molded；
The step D1 and step D2 is synchronously carried out.
2. easy open cover application process according to claim 1, it is characterised in that the light material passivation of the step C uses nothing
Chromium passivating mode.
3. easy open cover application process according to claim 2, it is characterised in that the passivator of the chromium-free deactivation is propylene
Any one in acid resin, epoxy resin, tannic acid, phytic acid and organic molybdate.
4. easy open cover application process according to claim 1, it is characterised in that organic painting described in step D1 and step D2
Expect for epoxy phenolics.
5. easy open cover application process according to claim 4, it is characterised in that step D1 and step D2 are specially：Xiang Guang
Material front and/or reverse side smear epoxy phenolics, and positive coating layer thickness is 3~6g/ ㎡, the coating layer thickness of reverse side for 9~
11g/ ㎡, solidification.
6. easy open cover application process according to claim 5, it is characterised in that described to be applied to light material front and/or reverse side
Epoxy phenolics is smeared, is specially：In the environment of 25~35 DEG C, epoxy phenolics is smeared to light material front and/or reverse side；
The solidification is specially：In the environment of 100~150 DEG C, 15~30min of static solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350118.0A CN107138362A (en) | 2017-05-18 | 2017-05-18 | A kind of application process of easy open cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350118.0A CN107138362A (en) | 2017-05-18 | 2017-05-18 | A kind of application process of easy open cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107138362A true CN107138362A (en) | 2017-09-08 |
Family
ID=59777644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710350118.0A Pending CN107138362A (en) | 2017-05-18 | 2017-05-18 | A kind of application process of easy open cover |
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| CN (1) | CN107138362A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976254A (en) * | 2019-11-26 | 2020-04-10 | 珠海鼎立包装制品有限公司 | Color easy-open lid printing and coating process |
| CN112439676A (en) * | 2020-11-02 | 2021-03-05 | 厦门保沣实业有限公司 | DOS oil coating method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182640A (en) * | 2007-12-11 | 2008-05-21 | 中南大学 | Inactivating process of galvanized steel sheet and inactivating liquid thereof |
| CN101445170A (en) * | 2008-11-24 | 2009-06-03 | 佛山市三水健力宝富特容器有限公司 | Method for preparing printed lid of aluminum easy open can |
| CN101736336A (en) * | 2009-12-31 | 2010-06-16 | 山东南山铝业股份有限公司 | Aluminum non-chromium surface treatment technology |
-
2017
- 2017-05-18 CN CN201710350118.0A patent/CN107138362A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182640A (en) * | 2007-12-11 | 2008-05-21 | 中南大学 | Inactivating process of galvanized steel sheet and inactivating liquid thereof |
| CN101445170A (en) * | 2008-11-24 | 2009-06-03 | 佛山市三水健力宝富特容器有限公司 | Method for preparing printed lid of aluminum easy open can |
| CN101736336A (en) * | 2009-12-31 | 2010-06-16 | 山东南山铝业股份有限公司 | Aluminum non-chromium surface treatment technology |
Non-Patent Citations (1)
| Title |
|---|
| 万定良: "《果蔬饮料生产技术》", 31 January 1996, 江西科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976254A (en) * | 2019-11-26 | 2020-04-10 | 珠海鼎立包装制品有限公司 | Color easy-open lid printing and coating process |
| CN112439676A (en) * | 2020-11-02 | 2021-03-05 | 厦门保沣实业有限公司 | DOS oil coating method |
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| CB03 | Change of inventor or designer information |
Inventor after: Feng Feng Inventor after: Chen Linfang Inventor after: Zou Weikang Inventor after: Liu Shaoen Inventor after: Tang Xuejun Inventor before: Feng Feng |
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Application publication date: 20170908 |
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