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EP2029291A1 - Procede et dispositif de traitement de surface sur des recipients ou des objets - Google Patents

Procede et dispositif de traitement de surface sur des recipients ou des objets

Info

Publication number
EP2029291A1
EP2029291A1 EP07727359A EP07727359A EP2029291A1 EP 2029291 A1 EP2029291 A1 EP 2029291A1 EP 07727359 A EP07727359 A EP 07727359A EP 07727359 A EP07727359 A EP 07727359A EP 2029291 A1 EP2029291 A1 EP 2029291A1
Authority
EP
European Patent Office
Prior art keywords
plasma
containers
plasma source
coating
treated
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.)
Withdrawn
Application number
EP07727359A
Other languages
German (de)
English (en)
Inventor
Stefan Grosse
Johannes Rauschnabel
Jochen Feichtinger
Carsten Herweg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2029291A1 publication Critical patent/EP2029291A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/04—Coating on selected surface areas, e.g. using masks
    • C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/62—Plasma-deposition of organic layers
    • 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
    • B05D3/14—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 electrical means
    • B05D3/141—Plasma treatment
    • B05D3/142—Pretreatment
    • B05D3/144—Pretreatment of polymeric 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
    • B05D7/22—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 internal surfaces, e.g. of tubes
    • B05D7/227—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 internal surfaces, e.g. of tubes of containers, cans or the like
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/448—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
    • C23C16/452—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials by activating reactive gas streams before their introduction into the reaction chamber, e.g. by ionisation or addition of reactive species

Definitions

  • the invention relates to a method and a device for surface treatment on containers or articles, in particular in pharmaceutical packaging, such as vials, syringes or cartridges, according to the preamble of claim 1.
  • this siliconization process is performed, for example, in bulk syringes or cartridges.
  • this siliconization process leads to the fact that after delivery of unsterile syringes or cartridges in BuIk cleaning is done in a washing machine and in the last station of the washing machine a defined amount of silicone oil is injected into the syringe or carpule.
  • the next station is usually a heat tunnel, through which the syringes or cartridges are pushed in the pulk, wherein the heat provides the necessary sterility and at the same time serves to burn the siliconization. Then the sterile and siliconized syringes and cartridges are filled.
  • SCF TM syringes For pre-sterilized syringes in the nest, eg. So-called SCF TM syringes (SCF TM) are cleaned prior to sterilization on a Buick cleaning machine and in the last station of the washing machine they are provided with a defined amount of silicone oil. Subsequently, the syringes are packaged and brought to sterilization with ethylene oxide, so that a delivery of sterile syringes with siliconization in so-called SCF-Tubs can be done. Alternatively, the siliconization can also be baked in a heat tunnel here. In both aforementioned cases, however, the processing steps are outsourced to the packaging manufacturer.
  • burn-in siliconization is often practiced despite some disadvantages to insure easy sliding of plugs or fabrics in the package. This easy gliding is necessary, for example, to administer the drug continuously to the patient during the injection without pressure surges.
  • the burn-in siliconization is particularly in pharmaceutical packaging, such as syringes or This is disadvantageous because of the risk that during the injection, parts of the siliconization are injected into the patient.
  • the reaction of drug components with siliconization reduces the shelf life of some pharmaceutical products.
  • DE 199 03 935 A1 discloses a method for the sterilization of containers or objects, in which a plasma is excited by electromagnetic oscillations in or on the containers or objects. Such a method is also referred to as a plasma sterilization method or here briefly as a plasma process.
  • the inner surfaces to be treated are advantageously treated in a plasma process in such a way that an improvement in lubricity, in particular by a coating, results.
  • the inner surfaces to be treated are exposed in one process step to a functionalizing plasma, that is to say a plasma which improves or wets the surface wettability, and in another process step to a coating plasma.
  • the functionalizing and the coating plasma are advantageously produced with the same plasma source, which is arranged inside or outside the surface of pharmaceutical packaging or articles. In principle, a number of types of plasma excitation can be distinguished.
  • the plasma can be generated directly in the pharmaceutical packaging, whereby a high field strength is generated inside the pharmaceutical packaging by means of a suitable arrangement so that a plasma ignites there.
  • the plasma can also be generated by a micro plasma source and pushed into the pharmaceutical packaging.
  • the energy for the ionization in the microplasma source can optionally be an inductive or capacitive high-frequency coupling or a microwave coupling.
  • a so-called remote plasma generation can be carried out, in which the plasma is generated outside the pharmaceutical packaging and expanded into the pharmaceutical packaging or specifically drawn by an air flow in the pharmaceutical packaging.
  • the functionalizing plasma is produced according to the invention with a first working gas and the coating plasma with a second working gas or fluid at atmospheric pressure or at low negative pressure, the first working gas being, for example, argon, nitrogen, oxygen, hydrogen or a combination of these gases can.
  • a non-coating plasma can be excited with the remote plasma source arranged outside the object to be treated, which expands into the packaging material or is drawn with an air flow. And in this way, in a particularly advantageous embodiment at the opening of the packaging material, a monomer for a coating plasma can be added become. This arrangement helps protect the plasma source itself from coating.
  • the second working gas or working fluid is formed for example from a silicon-containing monomer, such as hexamethyldisiloxane (HMDSO), tetraethoxysilane (TEOS), tetramethylsilane (TMS) or oxygen or a combination of these substances, for a deposition of silicon oxide (SiOx) - Layers .
  • the second working gas or working fluid may also be formed from a carbon-containing monomer, such as methane, acetylene or halogenated hydrocarbons, or a combination of these, for deposition of carbon layers on the surface to be treated. It is in principle possible to apply liquid precursors for the coating.
  • the substance HMDSO is in liquid form.
  • the two process steps can also be repeated as often as desired in order to obtain an improvement of the result. It is also conceivable to carry out the method steps independently of one another as a one-step process in certain applications. It is also conceivable that the functionalizing process step takes place subsequent to the coating process step in order to obtain a further improvement of the surface.
  • the present invention thus makes it possible, by using a single plasma source, to replace the burn-in siliconization mentioned at the outset by an inner coating which is advantageously carried out as a plasma-polymerized overlay or by a plasma-induced modification of the inside of the container or of the article.
  • the plasma density the plasma process can also be monitored online, for example, via the indirect parameter light emission with the aid of a diode, and if necessary also readjusted.
  • the sliding coefficient on the surface can be adjusted, for example, via the degree of crosslinking, that is to say the power of the plasma source and the punctual dwell time during the plasma process, to the respective container, the plug type and the other object in one or both method steps.
  • the sliding layer produced according to the invention by the plasma is also characterized by being much thinner, approximately ⁇ 100 nm, than the burn-in siliconization known from the prior art with a layer thickness of approximately 1-50 ⁇ m.
  • Layer detachment is also significantly lower in the invention because of a much better adhesion, whereby the risk of contamination for the patient is reduced to a minimum.
  • the resulting layer materials can be easily selected by the second working gas or fluid, such as the already mentioned quartz-like silica (SiOx) or carbon, which, if you get into the bloodstream of humans, are medically much safer than the known Siliconization and continue to emerge through the treatment according to the invention with the pharmaceutical products no unwanted interactions.
  • the second working gas or fluid such as the already mentioned quartz-like silica (SiOx) or carbon, which, if you get into the bloodstream of humans, are medically much safer than the known Siliconization and continue to emerge through the treatment according to the invention with the pharmaceutical products no unwanted interactions.
  • the inventive method can also be used in addition for a particularly cost-effective and safe burn-in a siliconization, if it should not be waived, this use would be especially for the packaging of pre-filled syringes from the aforementioned SCF Tubs advantage.
  • the syringes could be taken directly from the SCF tub and could be briefly treated with the plasma without washing and heat tunnel for refilling.
  • an advantageous surface treatment can be carried out as a coating, in particular of the inner surfaces of a container or an article with a plasma source, which is inside or outside the container or the article during the first and the second th process step is present. Furthermore, there are still means for introducing the first and the second working gas.
  • the plasma source is an arrangement for generating high-frequency oscillations, as described in detail in the aforementioned prior art DE 199 03 935 A1.
  • the plasma source is a micro-plasma source for inductive, capacitive or microwave-based power coupling, which can also be guided, possibly in conjunction with an electron beam source, into the interior of the containers or articles to be treated.
  • Another advantage of the invention is the universal applicability of the method and the device for a wide variety of packaging materials, in particular for plastics, which can only be treated to a limited extent because of their thermo-stability in the heat tunnel.
  • polymeric packaging compared to glass packaging materials have a higher permeability to oxygen, which can lead to premature oxidation of the product, and since in the plastic solutes, such as.
  • Plasticizer can migrate into the product, or drug can dissolve into the plastic, but the application of the invention, a high degree of crosslinking of the coating, or, the polymeric surface causes, a longer shelf life, or longer constancy of the effective dose of the product be achieved.
  • a variation of the coating thickness along the syringe axis is also easily possible by the invention, wherein, in particular in the region of the position of the elastomer plug during storage, a reliably closed layer is necessary in order to avoid stratifications.
  • the plasma source can be arranged outside of the containers or articles to be treated, and according to a third embodiment, the plasma can be generated in both process steps outside of the containers or objects to be treated and by means of an arrangement for generating a gas flow in a or more containers or items is insertable.
  • an introduction of the container or article to be treated takes place in a precisely fitting metallic hollow body, which is charged with a suitable voltage, DC voltage or pulsed. This allows, for example, the utilization of a barrier discharge for the functionalizing cleaning and activation process according to the invention or the plasma polymerization process.
  • Plasma source is coupled with a load cell, for example, at the stopper-setting station for the pharmaceutical container so that in case of deviations from the target of the effort to push the plug, the plasma source is readjusted so that subsequent containers again show a frictional resistance in the desired range. This method is not applicable to the known siliconization so.
  • An additional advantage may result in conjunction with an electron beam source, since the electron beam acts locally and, together with the plasma target, can help to modify partial regions of the packaging material inner surface in which it can, for example, be modified. locally increases the degree of crosslinking.
  • structuring of the surface can also be achieved.
  • FIG. 1 shows a schematic representation of the generation of a first plasma in the interior of a syringe as an application example of a pharmaceutical article
  • Figure 2 is a schematic representation of the generation of a second plasma inside a syringe for coating the inner surface of the
  • Figure 3 shows an embodiment with an inductive
  • FIG. 4 shows an exemplary embodiment with the plasma excitation outside the syringe and with an inflow of the plasma into the interior of the syringe according to FIG. 1
  • FIG 5 shows an embodiment with the plasma excitation outside of a series arrangement of syringes and with an inflow of the plasma into the interior of the syringes.
  • a syringe 1 is shown as a pharmaceutical article to be treated on its inner surface.
  • a plasma source 2 is present here with lancet-like continuations 3 forms a so-called micro-plasma source in the interior of the syringe 1 a plasma 4, or a micro-plasma, as a first process step for the cleaning and activation of the inner surface of the syringe 1 with seen in itself from the above-mentioned prior art DE 199 03 935 Al known method carries.
  • the plasma 4 flows out of the lance-shaped continuation 3 of the plasma source 2 either at atmospheric pressure or possibly at a slight negative pressure, wherein the slight underpressure facilitates the targeted pumping of the exhaust gases.
  • the ignition of the plasma source 2 takes place with a non-coating first working gas, e.g. Argon or oxygen, thereby generating the first plasma 4 in the direction of the syringe opening 5, as indicated by arrow 6, as it moves into the syringe 1.
  • This non-coating first plasma 4 as it moves through the syringe 1, cleans the inner surface of the syringe 1 to be coated later. whereby the layer adhesion on this surface can be positively influenced.
  • the Working gas switched to a second coating working gas of Figure 2 for generating a second plasma 7.
  • the second working gas for example, from a silicon-containing monomer, such as HMDSO, TMS, TEOS or oxygen or combinations thereof for the deposition of SiOx layers, or from a carbon-containing monomer, such as methane, acetylene or argon or their combinations for the deposition of carbon layers.
  • the plasma-cleaned inner surface of the tip 1 is coated with the coating working gas.
  • the invention is, as already mentioned, applicable with a variety of known plasma sources, which are capable of a plasma inside the syringe 1 or other container or article
  • the lance-like continuation 3 is used only for introducing the working gases into the syringe 1.
  • the plasma excitation can also be realized by other microwave-based power input.
  • Figure 3 shows an embodiment with an inductive coupling of an externally applied high-frequency alternating field (IkHz to 100MHz) by means of an RF generator 10 and a coil 11 in the syringe 1 to produce a plasma 4 or in an identical manner a plasma 7.
  • a capacitive, hollow cathode or Helikon high-frequency excitation or a microwave excitation (1 to 10 GHz) possible, for example on the basis of the well-known Surfatrons or Surfaguides or a particular elliptical Mikrowellenkonzentrators conceivable.
  • the plasma 4, 7 is likewise generated by a plasma source 2 and pushed into the syringe 1 by an air flow according to arrow 12.
  • the energy for the ionization in the plasma source 2 can optionally be an inductive or capacitive high-frequency coupling or a microwave coupling.
  • FIG. 5 shows a further exemplary embodiment in which a so-called remote plasma 13 is generated.
  • the plasma 13 is produced here outside a series of syringes 1 as pharmaceutical packaging in a device 14 and expands into the syringes 1 in each case according to arrow 15 or is deliberately drawn into the syringes 1 by a corresponding air flow.
  • the illustrated and illustrated exemplary embodiments represent only a selection of a multiplicity of variants for the selection of the working gases or fluids and for the process flow.
  • a multiplicity of coating gases or substances can be used as the second working gas or fluid, with particular advantage all silicon-containing or carbon-containing coatings, or coatings containing silicon and carbon, are.
  • a multilayer of the aforementioned layer systems can be applied.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Chemical Vapour Deposition (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un procédé et un dispositif de traitement de surface sur des récipients ou des objets, dans lequel les surfaces intérieures à traiter sont exposées au cours d'une étape de procédé à un plasma fonctionnalisant (4) et/ou au cours d'une autre étape de procédé à un plasma recouvrant (7). Le plasma fonctionnalisant (4) et le plasma recouvrant (7) sont produits de préférence avec une source de plasma (2) qui est disposée à l'intérieur ou à l'extérieur des récipients ou des objets (1).
EP07727359A 2006-05-26 2007-03-26 Procede et dispositif de traitement de surface sur des recipients ou des objets Withdrawn EP2029291A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006024675A DE102006024675A1 (de) 2006-05-26 2006-05-26 Verfahren und Vorrichtung zur Oberflächenbehandlung an Behältnissen oder Gegenständen
PCT/EP2007/052886 WO2007137890A1 (fr) 2006-05-26 2007-03-26 procédé et dispositif de traitement de surface sur des récipients ou des objets

Publications (1)

Publication Number Publication Date
EP2029291A1 true EP2029291A1 (fr) 2009-03-04

Family

ID=38165029

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07727359A Withdrawn EP2029291A1 (fr) 2006-05-26 2007-03-26 Procede et dispositif de traitement de surface sur des recipients ou des objets

Country Status (6)

Country Link
US (1) US20090181185A1 (fr)
EP (1) EP2029291A1 (fr)
JP (1) JP2009538391A (fr)
CN (1) CN101484249A (fr)
DE (1) DE102006024675A1 (fr)
WO (1) WO2007137890A1 (fr)

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EP2674513B1 (fr) * 2009-05-13 2018-11-14 SiO2 Medical Products, Inc. Revêtement de récipient et inspection
GB201003273D0 (en) * 2010-02-26 2010-04-14 Portal Medical Ltd Medicament dispenser device
US10081864B2 (en) * 2011-03-10 2018-09-25 Kaiatech, Inc Method and apparatus for treating containers
CN102497719B (zh) * 2011-12-06 2014-04-02 大连民族学院 注射器式大气压微等离子体发生装置
KR101483846B1 (ko) * 2013-03-07 2015-01-19 성균관대학교산학협력단 플라즈마를 이용하여 내부 표면이 개질된 튜브 및 이의 제조방법
ITMI20131666A1 (it) * 2013-10-09 2015-04-10 Ind Paolo Gobbi Frattini Contenitore per liquidi.
CN104013985B (zh) * 2014-06-24 2017-01-11 中山大学 便携式微等离子体消毒器
CN104386918B (zh) * 2014-10-22 2017-07-07 宁波正力药品包装有限公司 一种玻璃瓶内壁阻隔性薄膜的制备方法
JP6994747B2 (ja) * 2017-02-22 2022-01-14 春日電機株式会社 表面処理装置
DE102018116560A1 (de) * 2018-07-09 2020-01-09 Gerresheimer Regensburg Gmbh Verfahren zur beschichtung eines glasspritzenkörpers für eine hypodermische fertigglasspritze, hypodermische fertigglasspritze sowie plasmabehandlungsvorrichtung für glasspritzenkörper hypodermischer fertigglasspritzen
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Also Published As

Publication number Publication date
US20090181185A1 (en) 2009-07-16
DE102006024675A1 (de) 2007-11-29
WO2007137890A1 (fr) 2007-12-06
JP2009538391A (ja) 2009-11-05
CN101484249A (zh) 2009-07-15

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