CN107059033A - A kind of oil removing process for improving medicinal aluminum foil moistened surface tension force - Google Patents
A kind of oil removing process for improving medicinal aluminum foil moistened surface tension force Download PDFInfo
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- CN107059033A CN107059033A CN201710187823.3A CN201710187823A CN107059033A CN 107059033 A CN107059033 A CN 107059033A CN 201710187823 A CN201710187823 A CN 201710187823A CN 107059033 A CN107059033 A CN 107059033A
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- annealing furnace
- oil removing
- aluminium foil
- surface tension
- oil
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of oil removing process for improving medicinal aluminum foil moistened surface tension force, belong to medicinal aluminum foil processing technique field, comprise the following steps：(1) annealing furnace is warming up to preset temperature；(2) will the aluminium foil of oil removing be mounted in annealing furnace inframe, and be placed on annealing furnace dolly；(3) reach and fire door is opened after preset temperature, pending aluminium foil is sent into stove with annealing furnace dolly；(4) it is incubated the scheduled time under preset temperature；(5) it is incubated and opens fire door to after the scheduled time, annealing furnace dolly is taken out, and naturally cool to room temperature in atmosphere.In particular disclose a kind of technique for being adapted to 8011 alloy aluminium foil oil removings.The bubble-cap medicinal aluminum foil dyne value that solves the processing of traditional aluminium foil oil removing process is relatively low, oil removing time length, the defect of high energy consumption, realizes and aluminium foil surface tension value is brought up to 34 dynes of purpose, meet the requirement of user.
Description
Technical field
The present invention relates to aluminium foil oil removing process, more particularly to a kind of oil removing work for improving bubble-cap medicinal aluminum foil wetting tension
Skill, belongs to medicinal aluminum foil processing technique field.
Background technology
With the development of science and technology aluminium foil is more and more extensive as the application of package encapsulation material, people are to aluminium foil surface
The quality requirement also product such as more and more higher, particularly heat-sealed foil, medicinal foil, flexible pipe paper tinsel.Except requiring that it possesses suitable mechanics
Outside performance, the surface of smooth, also require that aluminium foil surface oil removing is clean, to ensure security, the applicability of final products.
The update of aluminium foil mill improves Mechanized Processing speed and production efficiency, causes the aluminium foil table just rolled
Face more or less has ROLLING OIL, after tested, and the attached oil mass of every square metre of filtering is about in 0.4g or so.The moistened surface of aluminium foil
Power is directly related with the attached oil mass of aluminium foil surface, and the clean aluminium foil surface tension force of complete oil removing is more than 72 dynes, the aluminium after roughing
Paper tinsel surface tension is at 31 dynes or so, and the aluminium foil surface tension force after finish rolling is at 32 dynes or so.If oil removing is not thorough, aluminium foil production
Product just occur viscous oil, foaming, play the defects such as lines, oil mark, and these defects are not periodically to occur typically in finished product, in inspection
It is not easy to find, the ROLLING OIL cleaning that its origin cause of formation is mainly aluminium foil surface is unclean caused.
All it is hard state delivery, so aluminium foil surface meeting due to needing higher intensity for bubble-cap medicinal aluminum foil
With ROLLING OIL, this aluminium foil when in use again must be compound with PVC, it is desirable to which the attached oil of aluminium foil surface is more few better, that is to say, that
The wetting tension of aluminium foil surface is the bigger the better, i.e., the higher the better for a dyne value, and general user requires that a dyne value is more than 34.But in life
The product come, which is rolled out, in production practice generally there was only 32 dynes.Accordingly, medicine is improved in the urgent need to a kind of suitable oil removing process
Moistened surface tension force is obtained with aluminium foil, while meeting tensile strength index request.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of oil removing process for improving medicinal aluminum foil moistened surface tension force,
Make to meet tensile strength and wetting tension index request by the bubble-cap medicinal aluminum foil product after oil removing.
Found through substantial amounts of research and experiment, the tensile strength of aluminium foil is closely related with removing oil temperature and oil removing time, with
The rise of temperature, the tensile strength of aluminium foil can decline, before aluminium foil reaches perfect recrystallization, its tensile strength is in some temperature
Degree is put extension over time and reduced, therefore the requirement according to user to tensile strength needs to formulate optimal temperature and time
It can be only achieved optimal aluminium foil tensile strength.
Especially, to ensure the aluminium foil of each annealing furnace processing in tensile strength and the uniformity of moistened surface tension force index,
Temperature rise, heat-insulating property in view of annealing furnace are had differences, and preferentially the temperature of annealing furnace is risen to after preset temperature and fed again, drop
Low influence of the annealing furnace difference to product performance index.
For the index request needed for reaching bubble-cap medicinal aluminum foil product, the technical solution adopted by the present invention is：One kind is carried
The oil removing process of high medicinal aluminum foil wetting tension, comprises the following steps：
(1) annealing furnace is warming up to preset temperature；
(2) will the aluminium foil of oil removing be mounted in annealing furnace inframe, and be placed on annealing furnace dolly；
(3) reach and fire door is opened after preset temperature, pending aluminium foil is sent into stove with annealing furnace dolly；
(4) it is incubated the scheduled time under preset temperature；
(5) it is incubated and opens fire door to after the scheduled time, annealing furnace dolly is taken out, and naturally cool to room in atmosphere
Temperature.
Specifically, described aluminium foil is 8011 alloys.
Preferably, aluminium foil surface tension force reaches 34 dynes, and tensile strength is when being not less than 150MPa, and annealing furnace removes oil temperature
Degree is set as 85 DEG C, and the oil removing time is set as 5 hours, and the aluminium foil elongation percentage under this technique is not less than 2%.
Preferably, aluminium foil surface tension force reaches 34 dynes, and tensile strength is when being not less than 160MPa, and annealing furnace removes oil temperature
Degree is set as 82 DEG C, and the oil removing time is set as 4.5 hours, and the aluminium foil elongation percentage under this technique is not less than 2%.
Preferably, aluminium foil surface tension force reaches 34 dynes, and tensile strength is when being not less than 170MPa, and annealing furnace removes oil temperature
Degree is set as 80 DEG C, and the oil removing time is set as 4.5 hours, and the aluminium foil elongation percentage under this technique is not less than 2%.
Preferably, aluminium foil surface tension force reaches 34 dynes, and tensile strength is when being not less than 180MPa, and annealing furnace removes oil temperature
Degree is set as 76 DEG C, and the oil removing time is set as 5 hours, and the aluminium foil elongation percentage under this technique is not less than 2%.
The beneficial effects of the present invention are：There is provided a kind of oil removing process for improving medicinal aluminum foil wetting tension, solve
The bubble-cap medicinal aluminum foil dyne of traditional aluminium foil oil removing process processing is worth relatively low, oil removing time length, the defect of high energy consumption, realize by
Aluminium foil surface tension value brings up to 34 dynes of purpose, meets the requirement of user.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the present invention is now with reference to showing
The embodiment for going out technical solution of the present invention is described more fully hereinafter with.However, the present invention can be specific with many multi-forms
Change and should not be construed as being limited to specific embodiment set forth herein.On the contrary, these embodiments are supplied to this area skill
Art personnel understand technical scheme.
Unless otherwise defined, term (including scientific and technical terminology) used herein above should be construed to have as belonging to the present invention
The identical meaning that those skilled in the art are commonly understood by.It will also be understood that term used herein above should be explained
For with the meaning consistent with their meanings in the content of this specification and correlation technique, and should not be to idealize
Or excessive form is explained, unless expressly so limited here.
Embodiment 1
Surface tension value reaches 34 dynes, and tensile strength reaches 150MPa, and elongation percentage reaches that 2% 8011 alloy aluminium foils are removed
Oily technique：
First, annealing furnace is warming up to 85 DEG C of constant temperature；
Secondly, 8011 pending alloy aluminium foils are mounted in annealing furnace inframe, and be placed on annealing furnace dolly, stove to be annealed
Temperature opens fire door after reaching 85 DEG C of constant temperature, and 8011 pending alloy aluminium foils are sent into stove with annealing furnace dolly；
Again, 5 hours are incubated under 85 DEG C of constant temperatures；
Finally, fire door is opened after being incubated 5 hours, annealing furnace dolly is taken out, and naturally cools to room temperature in atmosphere, is entered
Row index is detected.
Embodiment 2
Surface tension value reaches 34 dynes, and tensile strength reaches 160MPa, and elongation percentage reaches that 2% 8011 alloy aluminium foils are removed
Oily technique：
First, annealing furnace is warming up to 82 DEG C of constant temperature；
Secondly, 8011 pending alloy aluminium foils are mounted in annealing furnace inframe, and be placed on annealing furnace dolly, stove to be annealed
Temperature opens fire door after reaching 82 DEG C of constant temperature, and 8011 pending alloy aluminium foils are sent into stove with annealing furnace dolly；
Again, 4.5 hours are incubated under 82 DEG C of constant temperatures；
Finally, fire door is opened after being incubated 4.5 hours, annealing furnace dolly is taken out, and naturally cools to room temperature in atmosphere,
Carry out Indexs measure.
Embodiment 3
Surface tension value reaches 34 dynes, and tensile strength reaches 170MPa, and elongation percentage reaches that 2% 8011 alloy aluminium foils are removed
Oily technique：
First, annealing furnace is warming up to 80 DEG C of constant temperature；
Secondly, 8011 pending alloy aluminium foils are mounted in annealing furnace inframe, and be placed on annealing furnace dolly, stove to be annealed
Temperature opens fire door after reaching 80 DEG C of constant temperature, and 8011 pending alloy aluminium foils are sent into stove with annealing furnace dolly；
Again, 4.5 hours are incubated under 80 DEG C of constant temperatures；
Finally, fire door is opened after being incubated 4.5 hours, annealing furnace dolly is taken out, and naturally cools to room temperature in atmosphere,
Carry out Indexs measure.
Embodiment 4
Surface tension value reaches 34 dynes, and tensile strength reaches 180MPa, and elongation percentage reaches that 2% 8011 alloy aluminium foils are removed
Oily technique：
First, annealing furnace is warming up to 76 DEG C of constant temperature；
Secondly, 8011 pending alloy aluminium foils are mounted in annealing furnace inframe, and be placed on annealing furnace dolly, stove to be annealed
Temperature opens fire door after reaching 76 DEG C of constant temperature, and 8011 pending alloy aluminium foils are sent into stove with annealing furnace dolly；
Again, 5 hours are incubated under 76 DEG C of constant temperatures；
Finally, fire door is opened after being incubated 5 hours, annealing furnace dolly is taken out, and naturally cools to room temperature in atmosphere, is entered
Row index is detected.
The result such as following table of Indexs measure is carried out to the aluminium foil after embodiment 1-4 oil removings：
The PROCESS FOR TREATMENT of above example is applied to the oil removing of bubble-cap medicinal aluminum foil, is especially suitable for the place of 8011 alloy aluminium foils
Reason, surface tension can reach 34 dynes.
Traditional aluminium foil production is general to use heat treatment method oil removing, mainly by heated volatilization oily in annealing process.
Because the recrystallization temperature of pure aluminum foil is about 240-260 DEG C, the boiling range of aluminum foil rolling oil is typically about 200-260 DEG C, past system
Fixed annealing process, annealing temperature is generally 310 DEG C, annealing cycle 10-40 hour.This annealing process, because temperature is high, oil
Fat burns, and occurs oil film carbochain and decomposes oxidation, causes aluminium foil to pollute, cause yellowish-brown oil mark.
It is general at present to ensure that annealing and complete oil removing or segmentation insulation are removed respectively using the method for 230 DEG C of long-time heat preservations
Oil and annealing.Practice result shows：Mechanical performance for 0.007-0.15mm aluminium foil products typically only needs anneal for 10-15 hours
International requirement is can reach, and the oil removing time is then up to 28-35 hours.The adjustment of mechanical performance is to be difficult to synchronous progress with oil removing
, thus the plenty of time be wasted in oil removing annealing process, past attempts did research to annealing process, aluminium foil charging mode etc.
Gap, adjustment and improvement, but all produce effects less.
Because the medicinal aluminum foil that pharmaceutical industry is largely used need not carry out the improvement mechanical property of materials after aluminum foil rolling
Annealing, but the requirement to oil removing is higher, if continuing to use foregoing anneal oil removing technique, the one side oil removing time is longer,
Production efficiency is reduced, on the other hand except oil temperature is higher, unnecessary energy resource consumption is added, the too low rupture of performance is strong in addition
Degree is poor.Therefore, the present invention discloses one kind and is particularly suitable for 8011 conjunctions after it experienced substantial amounts of research demonstration and experiment
The oil removing process of golden aluminium foil, the purpose for improving medicinal aluminum foil moistened surface tension force is reached with this, the need of user are met well
Ask.
Although the present invention has been described with reference to specific aspect, feature and the exemplary embodiment of the present invention herein, should
When understanding, therefore purposes of the invention is not restricted, but extend and cover numerous other changes, modification with
And alternate embodiment, as will be given those skilled in the art in the invention are implied based on disclosure herein.Correspondingly, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (6)
1. a kind of oil removing process for improving medicinal aluminum foil moistened surface tension force, including,
（1）Annealing furnace is warming up to preset temperature；
（2）Pending aluminium foil is mounted in annealing furnace inframe, and is placed on annealing furnace dolly；
（3）Reach after preset temperature, will be equipped with the annealing furnace dolly feeding stove of pending aluminium foil；
（4）The scheduled time is incubated under preset temperature；
（5）It is incubated to after the scheduled time and opens fire door, annealing furnace dolly is taken out, and naturally cools to room temperature in atmosphere；Its
It is characterised by：Described preset temperature is 75-85 DEG C, and the described scheduled time is 4.5-5 hours.
2. oil removing process as claimed in claim 1, it is characterised in that：Described aluminium foil is 8011 alloys.
3. oil removing process as claimed in claim 2, it is characterised in that：Aluminium foil surface tension force reaches 34 dynes, and tensile strength
When reaching 150MPa, annealing furnace is set as 85 DEG C except oil temperature, and the oil removing time is set as 5 hours.
4. oil removing process as claimed in claim 2, it is characterised in that：Aluminium foil surface tension force reaches 34 dynes, and tensile strength
When reaching 160MPa, annealing furnace is set as 82 DEG C except oil temperature, and the oil removing time is set as 4.5 hours.
5. oil removing process as claimed in claim 2, it is characterised in that：Aluminium foil surface tension force reaches 34 dynes, and tensile strength
When reaching 170MPa, annealing furnace is set as 80 DEG C except oil temperature, and the oil removing time is set as 4.5 hours.
6. oil removing process as claimed in claim 2, it is characterised in that：Aluminium foil surface tension force reaches 34 dynes, and tensile strength
When reaching 180MPa, annealing furnace is set as 76 DEG C except oil temperature, and the oil removing time is set as 5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187823.3A CN107059033A (en) | 2017-03-27 | 2017-03-27 | A kind of oil removing process for improving medicinal aluminum foil moistened surface tension force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187823.3A CN107059033A (en) | 2017-03-27 | 2017-03-27 | A kind of oil removing process for improving medicinal aluminum foil moistened surface tension force |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220585A (en) * | 2017-12-06 | 2018-06-29 | 包头钢铁（集团）有限责任公司 | Method for annealing, annealing system and bell furnace |
| CN110195197A (en) * | 2019-06-20 | 2019-09-03 | 乳源东阳光优艾希杰精箔有限公司 | A kind of aluminium volume anneal oil removing method |
| CN111250541A (en) * | 2020-01-19 | 2020-06-09 | 江苏大亚铝业有限公司 | Production process of medicinal aluminum foil with high clean surface |
| CN111575541A (en) * | 2020-04-13 | 2020-08-25 | 江苏中基复合材料有限公司 | Alloying high peel strength high heat seal intensity double-zero aluminium foil for SP cartridge bag |
| CN114293198A (en) * | 2021-12-30 | 2022-04-08 | 博罗冠业电子有限公司 | Ultraviolet degreasing process and application thereof in improving surface affinity of rolling oil on surface of plain aluminum foil |
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| CN1111681A (en) * | 1995-03-30 | 1995-11-15 | 云南铝加工厂 | Technology of sectional type negative pressure anneal oil removing for aluminium material |
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| JP2008159297A (en) * | 2006-12-21 | 2008-07-10 | Matsushita Electric Ind Co Ltd | Aluminum foil, method for degreasing the same, electrode plate for battery, core material therefor using the aluminum foil, and lithium-ion secondary battery using them |
| CN102847733A (en) * | 2012-08-20 | 2013-01-02 | 洛阳首龙铝业有限责任公司 | Aluminum foil vacuum low-temperature oil removing process and equipment |
| CN106282863A (en) * | 2016-09-08 | 2017-01-04 | 江苏大亚铝业有限公司 | High-peeling strength food packaging aluminium foil high temperature negative pressure anneal technique |
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| CN1111681A (en) * | 1995-03-30 | 1995-11-15 | 云南铝加工厂 | Technology of sectional type negative pressure anneal oil removing for aluminium material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220585A (en) * | 2017-12-06 | 2018-06-29 | 包头钢铁（集团）有限责任公司 | Method for annealing, annealing system and bell furnace |
| CN110195197A (en) * | 2019-06-20 | 2019-09-03 | 乳源东阳光优艾希杰精箔有限公司 | A kind of aluminium volume anneal oil removing method |
| CN110195197B (en) * | 2019-06-20 | 2020-10-09 | 乳源东阳光优艾希杰精箔有限公司 | Annealing and oil removing method for aluminum coil |
| CN111250541A (en) * | 2020-01-19 | 2020-06-09 | 江苏大亚铝业有限公司 | Production process of medicinal aluminum foil with high clean surface |
| CN111250541B (en) * | 2020-01-19 | 2021-08-03 | 江苏大亚铝业有限公司 | Production process of medicinal aluminum foil with high clean surface |
| CN111575541A (en) * | 2020-04-13 | 2020-08-25 | 江苏中基复合材料有限公司 | Alloying high peel strength high heat seal intensity double-zero aluminium foil for SP cartridge bag |
| CN114293198A (en) * | 2021-12-30 | 2022-04-08 | 博罗冠业电子有限公司 | Ultraviolet degreasing process and application thereof in improving surface affinity of rolling oil on surface of plain aluminum foil |
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