Openair -Plasma TechnologyOpenair®Plasma: •suitable for inline processes, capable for robots...

cleaning, activation and coating by means of

Activation, Cleaning und Coating with Openair-Plasma

Joachim SchüßlerPlasmatreat GmbHNiederlassung SÜD

Dornierstr. 475217 Birkenfeld

Openair® - Plasma Technology

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:

Basics - Plasma

Activation, Cleaning und Coating with Openair-Plasma

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

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

Surface Tension Measurement

Activation, Cleaning und Coating with Openair-Plasma

untreated treated

Automotive – Sensors and electronical device

Activation, Cleaning und Coating with Openair-Plasma

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

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

Openair®-Plasma nozzle heads

Activation, Cleaning und Coating with Openair-Plasma

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

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

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

• 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

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

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

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

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)

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

FPC - FinePowederCoating

Activation, Cleaning und Coating with Openair-Plasma

FPC - FinePowederCoating

Activation, Cleaning und Coating with Openair-Plasma

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

Thank you very much for your attention !

Activation, Cleaning und Coating with Openair-Plasma

Joachim SchüßlerPlasmatreat GmbHNiederlassung SÜD

Dornierstr. 475217 Birkenfeld

Düsenköpfe PFW10/20

Activation, Cleaning und Coating with Openair-Plasma

14°

35°