CN108004519A - Medicine is packed for high-barrier VMCPP method for manufacturing thin film and medicine and is packed for high-barrier VMCPP films automatically automatically - Google Patents
Medicine is packed for high-barrier VMCPP method for manufacturing thin film and medicine and is packed for high-barrier VMCPP films automatically automatically Download PDFInfo
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- CN108004519A CN108004519A CN201710677458.4A CN201710677458A CN108004519A CN 108004519 A CN108004519 A CN 108004519A CN 201710677458 A CN201710677458 A CN 201710677458A CN 108004519 A CN108004519 A CN 108004519A
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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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
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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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
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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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
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- Physical Vapour Deposition (AREA)
Abstract
It is packed for high-barrier VMCPP method for manufacturing thin film and medicine automatically the invention discloses medicine and is packed for high-barrier VMCPP films automatically, wherein medicine is packed for high-barrier VMCPP method for manufacturing thin film and includes the following steps automatically：By scroll-like CPP film substrates to be plated unreeling on station mounted in vacuum evaporation plating machine, CPP films are vacuumized through chill roll on winding station with vacuum pump, it is 1.2 × 10 to make the vacuum in deposited chamber- 5torr~1.5×10- 5Torr, heating evaporation boat, melts the aluminium wire of high-purity and flashes to gaseous aluminum.Start winding film system, CPP films are deposited from unreeling to stand out again after plasma treatment, after the film speed of service reaches certain numerical value, opening baffle makes gaseous aluminum particulate form one layer of continuous and bright metallic aluminum in mobile CPP film substrates surface deposition, cooling.The medicine of the present invention is packed for high-barrier VMCPP films peel strength than 23 times of raising commonly producing automatically, and the OTR oxygen transmission rates of BOPP//VMCPP composite membranes is than 45 times of raising commonly producing.
Description
Technical field
The present invention relates to a kind of Key works Drug packing VMCPP metallized film preparation methods, more particularly to medicine is packed for automatically
High-barrier VMCPP method for manufacturing thin film and medicine are packed for high-barrier VMCPP films automatically.
Background technology
With the fast development of medical packaging industry, among drug packing field, plastics package is current leading production
Product, have larger development prospect.Aluminized complex film is widely used in medicine and wraps automatically because of its inexpensive and preferable barrier property
Package material field.By its preferable barrier, it can prevent smell, gas and steam and light etc. from entering packaging and working as well
In, and then be able to ensure that the validity of medicine etc., especially for the medicine of some poor chemical stabilities, to extend the guarantor of medicine
The matter phase, then propose packaging barrier the requirement of higher.The barrier of packaging material concerns shelf-life and the medicine of medicine
Security performance, and the barrier of packaging material determine oxygen moisture enter product packaging inside number.
A kind of multi-layer composite oxygen absorbing film for food packaging of Chinese patent CN201110005697.8, is packed for multilayer and answers
Oxygen absorbing film and preparation method thereof is closed, belongs to packing technique field.Including outermost layer oxygen barrier layer, intermediate layer catalysis oxygen absorption layer and
Innermost layer food contact layer；Oxygen barrier layer is KBOPP films, vacuum aluminum-coated cast polypropylene film VMCPP, vacuum aluminum-coated, polyester
Film VMPET, or high barrier plating silica polyester film SiOx/PET, plating aluminum oxide polyester film Al2O3/PET；Intermediate layer
(catalysis oxygen absorption layer) is the dry glue film being dispersed in cobalt salt in natural rubber or butadiene rubber；Food contact layer is preferred
LDPE low-density, PE modified film.The oxygen absorbing film is using conventional dry laminating equipment production.Foregoing invention oxygen absorbing film
Oxygen uptake ability is strong, and speed of oxygen intake is fast, can be used for the packaging of oxysensible food, beverage, can effectively reduce food nutrition
Component aoxidizes, and ensures food quality, and then Shelf-life.Prepare compound oxygen absorbing film be averaged speed of oxygen intake be 40~
120mlO2/m2·Day, its barrier property are that OTR (OTR oxygen transmission rate) is 2~13.5cc/m2Day0.1MPa, WVTR (water
Vapor transmission rates) about 0.5~5g/m2·day·0.1MPa。
To sum up, the oxygen absorbing packaging material of studies in China, majority are that small molecule oxygen absorbent is added in packaging material, are added above-mentioned
After small molecule oxygen absorbent, the transparency and mechanical property of material are remarkably decreased, and small molecule easily migrates, foregoing invention patent
Be from interbed (the catalysis oxygen absorption layer), dry glue film cobalt salt being dispersed in natural rubber or butadiene rubber, finally
Obtained laminated film speed of oxygen intake is not also high, can not meet the present market demand, and OTR oxygen transmission rate peak reaches
13.5cc/m2Day0.1MPa, has exceeded 10cc/m224h0.1MPa, and on peel strength and related mechanical property
Also can it not referred in text.
BOPP//VMCPP composite membranes applied to Key works Drug packing have performance following requirements：（1）Peel strength requirement is more than
1N/15mm；（2）OTR oxygen transmission rate is less than 10 cc/m2·24h·0.1MPa；（3）Steam penetrating capacity is less than 1.0 g/m
²·24h.But in the market only has steam penetrating capacity applied to Key works Drug packing BOPP//VMCPP composite membrane products and substantially meets medicine
The requirement of product packaging composite film, peel strength and OTR oxygen transmission rate are because its aluminium lamination compactness is poor, and aluminium lamination adhesive force is not high, with BOPP
Peel strength after meeting is relatively low or even only 0.1 ~ 0.2N/15mm, OTR oxygen transmission rate are 20-35 cc/m2·24h·
0.1MPa, is insufficient for the requirement of Key works Drug packing.
The reason for barrier is poor：
（1）Vacuum aluminum-coated is under vacuum conditions, aluminum metal heating to be melted to evaporation, aluminium atom condenses in high molecular material table
Face, forms very thin aluminium lamination.Vacuum in deposited chamber is inadequate, is subject to be deposited the gaseous impurity such as vapor, oxygen in environment
Reason so that aluminium atom unbalance stress, it is impossible to it is uniform to adsorb on base film surface, influence uniformity and the densification of aluminium film
Property, so improving the vacuum of deposited chamber is of great benefit to film quality, it is particularly the barrier of film.
（2）Since CPP is non-polar material so that substrate surface tension is relatively low, it is not easy to formed with other materials stronger
Polar-polar between interaction, therefore in this kind of materials'use usually will to its surface carry out sided corona treatment.At corona
Reason as a result, be make material surface formed one layer have polar group chemical bond, so as to improve the polarity on surface.Usual surface
Pretreatment is usually constructed with timeliness.Although handling the surface tension rise of caudacoria, this state is a physically unstable
State, the oiliness small molecule after a period of time in material body, the oil in the resin or plasticizer, and air of such as low molecular weight
Property material, can move to the surface of film, so that surface tension reduces again, cause aluminium lamination adhesive force and compactness after aluminizing
Poor, when the joint product to BOPP//VMCPP films carries out splitting, aluminium coated is largely transferred to thin with BOPP
On film, aluminium coated migration can cause joint product peel strength to decline, and finally decline the barrier of Key works Drug packing, medicine is easy
It is rotten.
The content of the invention
The object of the present invention is to provide a kind of medicine to be packed for high-barrier VMCPP method for manufacturing thin film automatically, changes film system
Preparation Method improves thin-film barrier by improving vacuum in vacuum chamber and plasma process processing, with BOPP it is compound after,
Its peel strength of BOPP//VMCPP composite membranes is 1-2N/15mm, and OTR oxygen transmission rate is 5-10 cc/m224h0.1MPa and
Aluminium lamination does not shift, and possesses excellent barrier property, meets the requirement of Key works Drug packing, effectively extends the shelf-life of medicine.It is logical
The vacuum and the flow of oxygen and argon gas crossed in control preparation process are packed for high-barrier VMCPP films to prepare.
In order to solve the above technical problems, the object of the present invention is achieved like this：
Medicine is packed for high-barrier VMCPP method for manufacturing thin film automatically, includes the following steps：By scroll-like CPP films to be plated
Base material is unreeled on station mounted in vacuum evaporation plating machine, true with vacuum pumping by CPP films through chill roll on winding station
Sky, it is 1.2 × 10 to make the vacuum in deposited chamber- 5torr~1.5×10- 5Torr, heating evaporation boat, melts the aluminium wire of high-purity
Change and flash to gaseous aluminum.Start winding film system, CPP films are steamed from unreeling to stand out again after plasma treatment
Plating, after the film speed of service reaches certain numerical value, opening baffle makes gaseous aluminum particulate sink on mobile CPP film substrates surface
Product, cooling form one layer of continuous and bright metallic aluminum.
Step 1：Base material is unreeled passes through each deflector roll by base film according to required path, until winding.
Step 2：It is ice that trapping pump, which is opened, by trapping pump by the hydrogenesis in the vacuum storehouse of aluminum-spraying machine, in favor of taking out
Vacuum.
Step 3：Indoor vacuum will be deposited by vacuum pump by, which vacuumizing, rises in required scope.
Step 4：Heating evaporation boat heats evaporation boat according to the power of setting, can carry out the steaming of aluminium wire
Hair.
Step 5：Send aluminium wire to be sent to aluminium wire on heated evaporation boat by the speed of setting by servo motor to carry out
Evaporation.
Step 6：Plasma treatment controls the purity and stream of current strength and plasma species according to the condition of setting
Amount, film are handled base film surface under certain speed of service, and increase aluminium lamination is in the attachment jail of film surface
Degree.
Step 7：Aluminium on evaporation boat is plated in base film surface by evaporation
Step 8：Film after cooling is aluminized is cooled down by chill roll.
Step 9：Film after aluminizing is wound into film roll by winding by the speed of setting
Further, the current strength in step 6 is 15A ~ 20A.
Further, the oxygen flow 200sccm ~ 400sccm, the argon flow amount 800sccm ~ 1200sccm.
Further, the film speed of service is 12m/s ~ 14m/s.
The step 6 plasma material is oxygen and argon gas, and the purity of the oxygen and the argon gas is 99.9%.
A kind of medicine is packed for high-barrier VMCPP films automatically, and base material CPP films are by corona layer, intermediate layer, hot sealing layer three
Layer is formed, wherein corona layer accounting 20%, intermediate layer accounting 60%, hot sealing layer accounting 20%；
Preferably, the base material CPP overall film thickness is 25um.
A kind of medicine of the present invention is packed for high-barrier VMCPP method for manufacturing thin film automatically, possesses following beneficial effects：
（1）By improving the on-link mode (OLM) of water pipe and tracheae, increase water pipe, the compactness of tracheae, improve the vacuum of deposited chamber；（2）
Optimize frequency conversion system, increase the power of diffusion pump, in the case of same consumption energy, improve the vacuum of deposited chamber；（3）Pass through vacuum chamber
Built-in moisture trapping pump（Subzero 150 degree）, improve the vacuum of deposited chamber；（4）Remove the pollutant and residual for substrate surface of aluminizing
Gas, effectively avoids gas release occurring during aluminizing and aluminium lamination produces small pin hole, enhances the compactness of aluminium lamination, carry
The barrier of high metallized film；（5）Can to form polar group on plastic film polymer molecular chain, such as-CO ,-OH ,-
COOH ,-NH etc., can significantly improve substrate surface activity.Substrate surface after treatment easily with Van der Waals force, hydrogen bond or change
Learn key and form firm, fine and close combination power so that aluminium lamination adhesive force significantly improves, so as to significantly improve the barrier of metallized film
Property；（6）The method cost of plasma treatment substrate surface is low, without discarded object, pollution-free, can obtain traditional physics and chemistry
The treatment effect that method is difficult to.A kind of medicine prepared by the present invention is packed for high-barrier VMCPP films automatically, and BOPP//
VMCPP composite membranes peel strength is than 2-3 times of the improve commonly produced, and the OTR oxygen transmission rate of BOPP//VMCPP composite membranes is than common
4-5 times of the raising of production, the film performance for contrasting the prior art are excellent.
Embodiment
With reference to specific embodiment, the present invention is further described, and embodiment 5 is comparative examples.
A kind of medicine of the present invention is packed for high-barrier VMCPP method for manufacturing thin film automatically, including basement membrane is formed by three layers,
Respectively corona layer, intermediate layer and hot sealing layer, base material CPP films are made of corona layer, intermediate layer, three layers of hot sealing layer, gross thickness
For 25um, wherein corona layer accounting 20%, intermediate layer accounting 60%, hot sealing layer accounting 20%.
Plasma species O2（Purity " 99.9% "）With Ar (purity 99.9%).
Test method and test condition：
OTR oxygen transmission rate according to ASTM D3895 testing standard：23 DEG C of temperature, humidity 0%.
Aluminium lamination adhesive force according to BB/T0030-2004 standard testing；The peel strength of composite membrane is according to GBT8808-
1988 standard testing.
Steam penetrating capacity tester：U.S.'s Mocon3/61 MN types.
Oxygen passes through tester：U.S.'s Mocon2/21MD types.
Under condition of high vacuum degree, aluminium is set to be evaporated to base film surface after melting, so as to obtain vacuum aluminized film.Traditional
Vacuum aluminium plating process will improve the barrier property of metallized film, typically improve the method for thickness of coating to solve.But producing
In practice, barrier is not proportional with thickness of coating, when aluminum layer thickness increase, the compactness of aluminium lamination, aluminium lamination attachment
Power declines, and the micro- stomata increase of aluminium lamination, causes barrier to reduce.I packs VMCPP high-isolation films by the pack of company's invention automatically
Thin-film barrier is improved by improving vacuum in vacuum chamber and plasma process processing.With BOPP it is compound after, BOPP//
Its peel strength of VMCPP composite membranes is 1-2N/15mm, and OTR oxygen transmission rate is 5-10 cc/m224h0.1MPa and aluminium lamination is not
Transfer, possesses excellent barrier property, meets the requirement of Key works Drug packing, substantially prolongs the shelf-life of medicine.
The present invention uses the aluminum plating process of straight plating method, which is：It is thin that medicine is packed for high-barrier VMCPP automatically
Membrane preparation method, it is characterised in that：Include the following steps：
Step 2：It is ice that trapping pump, which is opened, by trapping pump by the hydrogenesis in the vacuum storehouse of aluminum-spraying machine, in favor of taking out
Vacuum.
Step 3：Indoor vacuum will be deposited by vacuum pump by, which vacuumizing, rises in required scope.
Step 4：Heating evaporation boat heats evaporation boat according to the power of setting, can carry out the steaming of aluminium wire
Hair.
Step 5：Send aluminium wire to be sent to aluminium wire on heated evaporation boat by the speed of setting by servo motor to carry out
Evaporation.
Step 6：Plasma treatment controls the purity and stream of current strength and plasma species according to the condition of setting
Amount, film are handled base film surface under certain speed of service, and increase aluminium lamination is in the attachment jail of film surface
Degree.
Step 7：Aluminium on evaporation boat is plated in base film surface by evaporation
Step 8：Film after cooling is aluminized is cooled down by chill roll.
Step 9：Film after aluminizing is wound into film roll by winding by the speed of setting
By scroll-like CPP film substrates to be plated unreeling on station mounted in vacuum evaporation plating machine, CPP films are wound through chill roll
On winding station, vacuumized with vacuum pump, oxygen flow 200sccm ~ 400sccm, argon flow amount 800sccm ~ 1200sccm, makes
Vacuum in deposited chamber is 1.2 × 10- 5torr~1.5×10- 5Torr, heating evaporation boat, makes the aluminium wire of high-purity melt simultaneously
Flash to gaseous aluminum.Starting winding film system, CPP films are deposited from unreeling to stand out again after plasma treatment,
The film speed of service is 12m/s ~ 14m/s, and opening baffle makes gaseous aluminum particulate be deposited on mobile CPP film substrates surface, is cold
But one layer of continuous and bright metallic aluminum is formed.
Embodiment one film speed of service 12m/s, vacuum 1.2X10-5During Torr, electric current 15A, oxygen flow
200sccm, argon flow amount 800sccm, in the case of the aluminium lamination adhesive force 0.65-0.73 of high-separation vacuum aluminium-plating thin film that produces
N/15mm, BOPP//VMCPP composite membrane peel strength 0.62-0.73 N/15mm, BOPP//VMCPP composite membrane OTR oxygen transmission rates
25-40 cc/m3·24h·0.1MPa。
Embodiment two film speed of service 12m/s, vacuum 1.2X10-5During Torr, electric current 20A, oxygen flow
200sccm, argon flow amount 800sccm, in the case of the aluminium lamination adhesive force 0.71-0.85 of high-separation vacuum aluminium-plating thin film that produces
N/15mm, BOPP//VMCPP composite membrane peel strength 0.69-0.78 N/15mm, BOPP//VMCPP composite membrane OTR oxygen transmission rates
20-35 cc/m3·24h·0.1MPa。
Embodiment three film speed of service 12m/s, vacuum 1.2X10-5During Torr, electric current 20A, oxygen flow
300sccm, argon flow amount 1000sccm, in the case of the aluminium lamination adhesive force 1.21- of high-separation vacuum aluminium-plating thin film that produces
1.43 N/15mm, BOPP//VMCPP composite membrane peel strength 1.11-1.32 N/15mm, BOPP//VMCPP composite membrane oxygen are saturating
Cross rate 7.2-9.8 cc/m3·24h·0.1MPa。
Example IV film speed of service 12m/s, vacuum 1.2X10-5During Torr, electric current 20A, oxygen flow
400sccm, argon flow amount 1200sccm, in the case of the aluminium lamination adhesive force 0.45- of high-separation vacuum aluminium-plating thin film that produces
0.49 N/15mm, BOPP//VMCPP composite membrane peel strength 0.38-0.43N/15mm, BOPP//VMCPP composite membrane oxygen are saturating
Cross rate 40-65 cc/m3·24h·0.1MPa。
Embodiment 5 film speed of service 14m/s, vacuum 4.2X10-4During Torr, electric current 15A, oxygen flow
200sccm, argon flow amount 800sccm, in the case of the aluminium lamination adhesive force 0.51-0.63 of high-separation vacuum aluminium-plating thin film that produces
N/15mm, BOPP//VMCPP composite membrane peel strength 0.42-0.53 N/15mm, BOPP//VMCPP composite membrane OTR oxygen transmission rates
28-50 cc/m3·24h·0.1MPa。
The performance test results of the VMCPP metallized films of 1 embodiment 1~5 of table
By embodiment 1-5 and table 1, the technological parameter during being aluminized by control, waits ionization voltage between 4-7V/m.
Here plasma electric field strength refers to the size of power suffered in magnetic field of the plasma between two hollow cathodes, it is anti-
The bright size of lamp of plasma is reflected.Result of study shows, with the increase for the power for producing plasma apparatus input, etc.
The increase of gas ions electric field strength, barrier also accordingly improve.When input power increases to certain value, final products barrier is anti-
And declined, this is because during the excessive corona treatment film of energy, surface can be caused to form etching, aluminium lamination attachment
Power declines, and oxygen-barrier property is deteriorated, thus electric field strength optimum range is between 4-7V/m.
The present invention is handled the surface of metallized film base material with the vacuum and plasma for improving vacuum chamber,
Effectively improve vacuum aluminum-coated barrier.
In view of the BOPP//VMCPP composite membranes applied to Key works Drug packing have performance following requirements：
（1）Peel strength requirement is more than 1N/15mm；
（2）OTR oxygen transmission rate is less than 10 cc/m2·24h·0.1MPa。
The performance test results of one 5 embodiments of contrast table, it is known that embodiment 3 is highly preferred embodiment of the present invention, this hair
It is bright that the surface of metallized film base material is handled with the vacuum and plasma that improve vacuum chamber, effectively increase true
The barrier that sky is aluminized, process conditions are：Film speed of service 12m/s, vacuum 1.2X10-5During Torr, electric current 20A, oxygen
When flow 300sccm, argon flow amount 1000sccm, the aluminium lamination adhesive force 1.21- for the high-separation vacuum aluminium-plating thin film produced
1.43 N/15mm, BOPP//VMCPP composite membrane peel strength 1.11-1.32 N/15mm, BOPP//VMCPP composite membrane oxygen are saturating
Cross rate 7.2-9.8 cc/m3·24h·0.1MPa.BOPP//VMCPP composite membranes peel strength is than the raising 2-3 that commonly produces
Times, the OTR oxygen transmission rates of BOPP//VMCPP composite membranes is than 4-5 times of raising commonly producing.
The present invention by controlling deposited chamber vacuum and the adhesive force of aluminium lamination being improved by the surface of plasma treatment of materials,
The barrier of film is added, it is specific as follows：
（1）Improve the vacuum of deposited chamber.1）Deposited chamber has cooling water pipe and tracheae, by the side of link for improving water pipe and tracheae
Formula, increases water pipe, the compactness of tracheae, improves the vacuum of deposited chamber.2）Optimize frequency conversion system, increase the power of diffusion pump,
In the case of same consumption energy, the vacuum of deposited chamber is improved.3）Base material discharge quantity is too big, causes the indoor vacuum of vacuum poor, meeting
The vacuum of deposited chamber is influenced, passes through built-in trapping pump of vacuum chamber（Subzero 150 degree）, improve the vacuum of deposited chamber.
（2）The surface tension of CPP is improved by plasma treated material surface, improves aluminium lamination adhesive force, increase is thin
The barrier of film.1）The pollutant and residual gas for substrate surface of aluminizing are removed, effectively avoids that gas occurs during aluminizing
Discharge and the small pin hole of aluminium lamination generation, enhance the compactness of aluminium lamination, improve the barrier of metallized film.2）It can cause plastics
A certain number of polar groups, such as-CO ,-OH ,-COOH ,-NH are formed on film polymer strand, base can be significantly improved
Material surface-active.Substrate surface after treatment is easily and Van der Waals force, the combination of hydrogen bond or formation of chemical bond firmly, fine and close
Power so that aluminium lamination adhesive force significantly improves, so as to significantly improve the barrier of metallized film.
Plasma is the 4th state of material.It distinguishes solid-state, liquid and gaseous state, it is characterized in that material is in ionization shape
State.In this state, the electronics in most of atoms becomes negatively charged freely electricity all departing from nuclear constraint
Sub and positively charged ion.In the plasma, the temperature of neutral atom is close to room temperature but electron temperature is up to 2-10
eV.At the same time, with the ionizing of atom, compound, excitation and transition in plasma, ultraviolet can be produced, its photon energy
Also it is 2-4eV scopes.The energy that particle and photon provide in obvious plasma is quite high.So high energy (temperature
Degree) it is that other chemical methodes cannot provide.This temperature distributing characteristic of plasma, it is a series of to determine that it has
The unexistent specific function of other materials.On the other hand, the high-molecular compound of organic matter (including paper, plastics etc.) is formed
Many bond energys be also several electron-volts, its combine can size connect with the energy of electronics in plasma, ion, photon
Closely.Therefore when electronics in plasma or ion reach dielectric surface, these chains can be opened easily, them is become certainly
By base, such as-C H ,-O H ,-C N ,-C S and-C O O H etc., so as to accelerate the activation of material surface.After this activation
Surface is easily combined with substrate surface material, improves the surface-active of substrate surface.Plasma is used during film is aluminized
In body surface surface treatment technology law, film is placed in the high energy plasma region of plasma surface processor, i.e., in film quilt
The side on surface, one group of cathode tube under the effect of midfrequent AC voltage of installation are handled, and set close to film another side
Magnetron.Gas produces substantial amounts of energetic ion body by cathode.Due to film the opposing party magnetron produce magnetic fields, etc.
Ion is moved towards film surface, and the surface of film is handled by sputtering and impacting.
Certainly, the explanation of above example is only intended to help to understand specific method of the invention.But the present invention is not
The above embodiment is defined in, in the knowledge that the technical field those of ordinary skill possesses, is not departing from this hair
Some changes and modification are made on the premise of bright objective, these are improved and modification will also fall into the protection model of the claims in the present invention
In enclosing.
Claims (7)
1. medicine is packed for high-barrier VMCPP method for manufacturing thin film automatically, it is characterised in that：Include the following steps：Will be scroll-like
CPP film substrates to be plated being unreeled mounted in vacuum evaporation plating machine on station, by CPP films through chill roll on winding station,
Vacuumized with vacuum pump, it is 1.2 × 10 to make the vacuum in deposited chamber- 5torr~1.5×10- 5Torr, heating evaporation boat, makes height
The aluminium wire of purity melts and flashes to gaseous aluminum,
Start winding film system, CPP films are deposited from unreeling to stand out again after plasma treatment, when film is run
After speed reaches certain numerical value, opening baffle makes gaseous aluminum particulate be formed in mobile CPP film substrates surface deposition, cooling
One layer of continuous and bright metallic aluminum,
Step 1：Base material is unreeled passes through each deflector roll by base film according to required path, until winding,
Step 2：It is ice that trapping pump, which is opened, by trapping pump by the hydrogenesis in the vacuum storehouse of aluminum-spraying machine, in favor of vacuumizing,
Step 3：Indoor vacuum will be deposited by vacuum pump by, which vacuumizing, rises in required scope,
Step 4：Heating evaporation boat heats evaporation boat according to the power of setting, can carry out the evaporation of aluminium wire,
Step 5：Send aluminium wire to be sent to aluminium wire on heated evaporation boat by the speed of setting by servo motor to be steamed
Plating,
Step 6：Plasma treatment controls the purity and flow of current strength and plasma species according to the condition of setting, thin
Film is handled base film surface under certain speed of service, increases attachment fastness of the aluminium lamination in film surface,
Step 7：Aluminium on evaporation boat is plated in base film surface by evaporation,
Step 8：Film after cooling is aluminized is cooled down by chill roll,
Step 9：Film after aluminizing is wound into film roll by winding by the speed of setting.
2. medicine according to claim 1 is packed for high-barrier VMCPP method for manufacturing thin film automatically, it is characterised in that：Step
Current strength in rapid 6 is 15A ~ 20A.
3. medicine according to claim 1 is packed for high-barrier VMCPP method for manufacturing thin film automatically, it is characterised in that：Institute
State oxygen flow 200sccm ~ 400sccm, the argon flow amount 800sccm ~ 1200sccm.
4. medicine according to claim 1 is packed for high-barrier VMCPP method for manufacturing thin film automatically, it is characterised in that：Institute
It is 12m/s ~ 14m/s to state the film speed of service.
5. medicine according to claim 1 is packed for high-barrier VMCPP method for manufacturing thin film automatically, it is characterised in that：Institute
It is oxygen and argon gas to state step 6 plasma material, and the purity of the oxygen and the argon gas is 99.9%.
6. as claim 1 ~ 5 any one of them medicine is packed for the thin of high-barrier VMCPP method for manufacturing thin film preparation automatically
Film, it is characterised in that：Base material CPP films are made of corona layer, intermediate layer, three layers of hot sealing layer, wherein corona layer accounting 20%, in
Interbed accounting 60%, hot sealing layer accounting 20%.
7. film according to claim 6, it is characterised in that：The base material CPP overall film thickness is 25um.
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Application publication date: 20180508 |