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cleaning, activation and coating by means of
Activation, Cleaning und Coating with Openair-Plasma
Joachim SchüßlerPlasmatreat GmbHNiederlassung SÜD
Dornierstr. 475217 Birkenfeld
Openair® - Plasma Technology
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Head Office:
Plasmatreat GmbHBisamweg 1033803 Steinhagen
R & D CentreDesignProductionSales
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The Company Plasmatreat
Germany
Activation, Cleaning und Coating with Openair-Plasma
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Branche Office SouthDornierstr. 475217 Birkenfeld
SalesApplication CentreServiceTraining Development; Design, Production and Sales of:
Physical Treatment-Systems made by High-Voltage-Technology
•more than 4000 installed systems; more than 9000 jets
• some hundreds of different applications
150 150 employees in employees in 15 locations world wide:15 locations world wide:
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Basics - Plasma
Activation, Cleaning und Coating with Openair-Plasma
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plasma
+
+
*
*
e-
e-
e-
*
*
+
+
+
energy input
e.g. electrical fields
gas gas molecule
* gas molecule
(excited)
ion
free electron
+
e-
* molecular
fragment
(energetic)
Basics - Plasma
Activation, Cleaning und Coating with Openair-Plasma
substrate
organic contamination
CO, CO2
H2O, etc.
plasma cleaning
Example:
O2-molecules O2*, O2
+, O-, O3, etc.
Quelle: Fraunhofer IFAM
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plasma
+
+
*
*
e-
e-
e-
*
*
+
+
+
energy input
e.g. electrical fields
gas gas molecule
* gas molecule
(excited)
ion
free electron
+
e-
* molecular
fragment
(energetic)
Basics - Plasma
Activation, Cleaning und Coating with Openair-Plasma
polymer, CFRP, etc.
plasma activationadhesion: bonding / painting
CO, CO2
H2O, etc.
Example:
O2-molecules O2*, O2
+, O-, O3, etc.
(energetic)
Quelle: Fraunhofer IFAM
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Surface Tension Measurement
Activation, Cleaning und Coating with Openair-Plasma
untreated treated
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Automotive – Sensors and electronical device
Activation, Cleaning und Coating with Openair-Plasma
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8
9
10
11
12
13
14
15
8.9
MP
a
8.4
MP
a
12.4
MP
a
12.0
MP
a
10.1
MP
a
11.1
MP
a
Tensile Lap-shear Strength of Plastic Bondingssh
ear
Str
engt
h [M
Pa]
PP AP-Plasma (directly bonded)
PP AP-Plasma (bonded after 8w 60°C, 50% r.h.)
PP (without pretreatment)
PVDF AP-Plasma (directly bonded)
PVDF AP-Plasma (bonded after 8w 60°C, 50% r.h.)
PVDF (without pretreatment)
ECTFE AP-Plasma (directly bonded)
ECTFE AP-Plasma (bonded after 8w 60°C, 50% r.h.)
ECTFE (without pretreatment)
Activation of Plastics
Activation, Cleaning und Coating with Openair-Plasma
Fraunhofer InstitutFertigungstechnikMaterialforschung0
1
2
3
4
5
6
7
8
0.3
MP
a
0.5
MP
a
0.2
MP
a
Tens
ile L
ap-
shea
r S
tren
gth
[MP
a]
2 K - epoxy system:Ciba Araldit AW 139 / HV 998Curing at 80 °C, 2 h
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Plasma Jet PFW10 Plasma Jet PFW20
Openair®-Plasma Düsen
Treatment width: 3 – 20mm
Treatment speed: up to 900 m/min
Activation, Cleaning und Coating with Openair-Plasma
Plasma Jet RD1004 Plasma Jet RD2004
Plasma Jet RD1010
Treatment width: 10 – 50 mm
Treatment speed: up to 30 m/min
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Openair®-Plasma nozzle heads
Activation, Cleaning und Coating with Openair-Plasma
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Improvement of component advantages by specific modification of the surface:
- good cleaning capacity compared to carbon hydrids
(precision cleaning)
- modification of the surface for adhesion/paint bonding
(adhesion characteristics)
Precision Cleaning of metallic Surfaces
Activation, Cleaning und Coating with Openair-Plasma
(adhesion characteristics)
- change of the corrosion characteristics
(Hydrolysis stability)
- improvement of the weldability (disposal of „gas tanks“)
Materials: AluminumSteel
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Functionalities:
� hydrophile
� hydrophobic
� Anti corrosion layers
� Adhesion promoter layers
� De-hesive coatings
Coating with Openair PlasmaPrecipitation of thin layers
Activation, Cleaning und Coating with Openair-Plasma
Openair-Plasma coating
Coating on Aluminum with various layer
thicknesses between 5 and 700 nm
� De-hesive coatings
Substrate:
� Metal
� Plastics
� Glass
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gas
energy input
plasma
+
+
*
*
e-
e-
e-
*
*
+
+
+gas molecule
* gas molecule
(excited)
ion
free electron
+
e-
* molecular
fragment
(energetic)
Basics - Plasma
Activation, Cleaning und Coating with Openair-Plasma
Example:
CH4 molecules CH4*,+,-, CH3
*,+,-, Hx*,+,-, CxHy
*,+,-
(energetic)
substrateplasma polymerisation
H2, CxHy
Quelle: Fraunhofer IFAM
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• Adhesion promoter layersAdhesion promoter layers PTPT-- Bond technologyBond technologyfor reactive glues (PUR, Epoxy, Compounds)for reactive glues (PUR, Epoxy, Compounds)
• AAntinti--Corrosion layersCorrosion layers
Application of Plasmapolymere Layers
Coating with Openair PlasmaPrecipitation of thin layers
Activation, Cleaning und Coating with Openair-Plasma
• AAntinti--Corrosion layersCorrosion layers
for Aluminum, Steelfor Aluminum, Steel
• „easy to clean“ coatingMetals
• Scratch resistant layerse.g. for Polycarbonate (mobile-phone displays)
• Barrier layers
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Salt spray test 96 h (DIN 50021)
� The corrosion behavior of aluminum pipes with and without coating was tested
� after 96 hours salt spray test, the untreated aluminum shows strong corrosion
� On the coated material there occurred no corrosion
Corrosion protection on Aluminum; PT-Corr technology
Coating with Openair PlasmaCorrosion inhibiting layers
Activation, Cleaning und Coating with Openair-Plasma
unbeschichtet
beschichtetWith coating
Without coating
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Corrosion protection and Adhesion promotion on milled Aluminum pressure housingsAvoidance of the corrosive corrosion creep of the glue bonding
Original Process• Spraying on of a corrosion
protection remedy based on Fluorpolymere after bonding
• Manual application, high cost
PlasmaPlus®- Coating technologyCorrosion protection Motor- Pump- Unit
Activation, Cleaning und Coating with Openair-Plasma
• Manual application, high cost
Today• Pre-cleaning with Plasma
• Coating with Si-organic layer
• Good bonding
Quelle: TRW
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Density inspection after Salt spray test (Swaat-Test)
h
PlasmaPlus®- Coating technologyCorrosion protection Motor- Pump- Unit
Without corrosion protection
„Sprayed“ corrosion protection
Plasma Plus® corrosion protection
Activation, Cleaning und Coating with Openair-Plasma
green: Housing shows no leakage
red: Housing is leaky (corrosion on the flange with aperture towards inside)
Highly efficient anti corrosion coating
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PlasmaPlus®- coating technologyCorrosion protection Motor- Pump- Unit , systems engineering
• completely automated in a double- Robot cell
• throughput 1,2 Mio. part p.a.
• comprehensive process control of thePlasmaPlus® - coating enables high process
Activation, Cleaning und Coating with Openair-Plasma
PlasmaPlus® - coating enables high processsafety (Safety part of the steering)
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FPC - FinePowederCoating
• FPC- System Technology- Development
Activation, Cleaning und Coating with Openair-Plasma
- Development- Production- Sales and Service world wide
• FPC – Process Technology- R&D for layer functionallities- powder management- powder feeder- process parameters
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FPC - FinePowederCoating
Activation, Cleaning und Coating with Openair-Plasma
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FPC - FinePowederCoating
Activation, Cleaning und Coating with Openair-Plasma
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Openair® Plasma:
• suitable for inline processes, capable for robots
• long-term stable activation of different plastics and metals
• precision cleaning of metallic surfaces on highest level
• Special technology: „ functional plasmapolymere layers“
Summary
Activation, Cleaning und Coating with Openair-Plasma
• Special technology: „ functional plasmapolymere layers“
• inorganic and organic
• hydrophilic and hydrophobic
• corrosion protection
• FPC technology , coating with fine powder
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Thank you very much for your attention !
Activation, Cleaning und Coating with Openair-Plasma
Joachim SchüßlerPlasmatreat GmbHNiederlassung SÜD
Dornierstr. 475217 Birkenfeld
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Düsenköpfe PFW10/20
Activation, Cleaning und Coating with Openair-Plasma
14°
35°