Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
1
Ihr Partner fürProjekte in derchemischen undpharmazeutischenIndustrie
Technologische Komplexität erfassen und beherrschen. In terdisziplinär. In tegral . Innovativ.
Entwicklung und Anwendungvon Polymer-Nanokompositmaterialien
Surfaces and Interfaces -Engineering at the NanoscaleGVC/DECHEMA, Frankfurt, 09. März 2005
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
� Nanotechnologie bei Bayer Technology Services� Einführung� Technologieplattform
� Beispiele zu F&E-Aktivitäten im Gebiet der Nanokomposite bei Bayer� Carbon Nanotubes� Carbosilan-Vernetzer
� Ausgewählte Polymer-Nanokompositmaterialien von Bayer MaterialScience� Dispercoll® S� Bayblend®
Gliederung
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
2
Strategische Management-Holding
D04
03A
Corporate CenterKonzernvorstandKonzernvorstand
Bayer AG
Holding
ServicegebieteArbeitsgebiete
Bayer BusinessBayer BusinessServicesServices
Bayer Technology Services
BayerBayer Industry Industry ServicesServices
BayerBayer HealthCareHealthCare
BayerBayer CropScienceCropScience
1 Vorstand und Aufsichtsrat der Bayer AGhaben beschlossen, die Chemieaktiv itäten(mit Ausnahme von Wolff Walsrode und H.C. Starck) sowie Teile des Polymer-geschäfts bis Anfang 2005 unter einem gemeinsamen Dach und unter dem Namen Lanxess an die Börse zu bringen.
BayerBayer MaterialScienceMaterialScience
11
Stand: 30.04.2004
BayerBayer ChemicalsChemicals 11
Lanxess Lanxess 11
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Bayer innovation fields: Science for a better life
HealthCare
MaterialScience
CropScience
Industrialbiotechnology /nutrition
Innovative drugs
New energies
Intelligentmaterials
Medical technology
Functional surfaces(e.g. nano-applications)
Nucleic acid diagnostics /personalized medicine
Therapeuticproteins
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
3
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Nanotechnology areas at Bayer: Science for a better Life
Functionalized coatings and surfaces
Nanoelectronics Nanobiotechnology
e.g. Nanophosphorsfor diagnostics
DNA
~ 7 nm
e.g. Surface-modified plastics:scratch resistance,UV protection,self-cleaningsurfaces, etc.
Nanoparticles/nanoadditives/nanocomposites
100 nm
Nanoencapsulation/Drug delivery
e.g. Nanostructured surfaces for tantalumcapacitor materials
200 nm
e.g. Bayblend FR with nano additives toimprove flame retardancy
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Bayer Technology Services
ProcessManagementTechnology
In silico-Technology
ProcessSynthesis
ProductDesign
Nano-technology
ProcessingSynthesis
Biotechnology
Catalysis
Nano-technology
BTS Technology platforms
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
4
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
BTS Nanotechnology platformInterdisciplinary Technology for Material Science and Life Science
•Precipitation,crystallization,pyrolysis
•Scale-up, technical process
Synthesis
•(Re-)dispersion•Deagglomeration•Phase transfer•Drying•Separation•Purification
Recovery andpurification
•Colloidal and chemicalstabilization
•Compounding•Dispersing•Characterization
Modificationand processing
•Bionanotechno-logy (biochips, medical diagnosticassays)
•Nanocomposites
Applicationsdevelopment
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
e.g. on the basis of carbon nanotubes:hybrids with outstanding
mechanical, electrical andphysico-chemical properties
200nm93390 : 1 B028202RE109
200 nm
Development of a processfor the inexpensive manufacture
of carbon nanotubesfor mass applications
New developments: nanocompositesMaterial Science: Polymer / Nanoparticle Composites
Componentsfor electrostatic
coating
Fiber-reinforced components
Tires with lowroll resistance
Supercapacitors,electrodes for high-
performance batteries
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
5
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Low-Cost Production of Multi-Walled CarbonNanotubes (MWNT)
1µm5000 0 : 1
4 µµµµm
BTS
20 nm
� Multi-Walled Carbon Nanotubes (MWCNT), diameter 5-50nm, mean diameter approx. 15-20 nm
�compared to ideal SWNT higher number of defectsbut higher aspect ratio and easier processing
�already employed in polymer composite materials,mainly for enhancing the conductivity
� functionalization possible
� Main restraints for broad commercialization�pricing and large scale availabity�quality and reproducibility
� Development of a process for large scale CNT-production and polymer processing
BTS
20 nm25 nm
BTS
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Bayer process development for CNT synthesisand polymers processing baytubes
B 0 96 50 1 RE 1 01
catalyst
H2, inert gas,small amounts ofhydrocarbons
agglomerates of CNT(> 98% C-purity)
• melt impregnation• in situ polymerization• impregnation in solution
Hel lf el dabbi l dung
• high purification• disentangling• surface modification and chemical functionalization
optional
highly efficientprocess for MWCNT
production
highly efficientprocess for MWCNT
production
hydrocarbons,inert gas
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
CNT Processing in various polymers
0,01 wt.-% CNT
200nm
200000 : 1
20 0 nm20 0 nm
Dispersion• in-situ polymerization• melt impregnation
• impregnation in solution
Complete dispersion ofMWNTs from their initialagglomerates achievedvia intense mixing in e.g.a twin-screw extruder
0,05 wt.-% CNT
CNT in different polymers
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Carbosilane cross-linkers for coating applications
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
� tetraalkoxysilanes for inorganic networks
Commercial (organo-) silanes I
SiOMe
OMe
MeOMeO
Tetramethoxysilane Tetraethoxysilane
SiOEt
OEt
EtOEtO
- high cross-linking density- high weight loss (~ 72 %)- complete condensation > 500 °C- only applicable for thin layers < 1 µm
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
� non-functionalized organosilanes for organicallymodified inorganic networks
- reduced cross-l inking density- reduced weight loss- preparation of thick layers possible
SiCH3
OMe
MeOMeO Si
OMe
MeOMeO
Methyltrimethoxysilane Octyltrimethoxysilane
Si
OMe
MeOMeO
Phenyltrimethoxysilane
Commercial (organo-) silanes II
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
8
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
� functional organosilanes for organic-inorganic networks
Si
OMe
MeOMeO
NH2 Si
OMe
MeOMeO
SH Si
OMe
MeOMeO
NCO
Si
OMe
MeOMeO
O O Si
OMe
MeOMeO
O
O
3-Amino . . . 3-Mercapto . . . (3-Isocyanatopropyl-)Trimethoxysilane
(3-Glycidyloxypropyl-)Trimethoxysilane (3-Methacryloxypropyl-)Trimethoxysilane
Commercial (organo-) silanes III
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
requirements for new sol-gel precusor molecules
• flexible segments for modifying the inorganic network➢ organic, non uv-absorbing groups
but: simultaneously hard segments➢ Si-O-Si precondensed groups➢ high functionality (high amount of Si-O-Si forming groups)
• commercially available raw materials for production
Carbosilane cross-linkers
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
9
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
New polyfunctional sol-gel precursors
O SiO
SiOS i
OSi
SiSi
SiSi
CH3
CH3
CH3
H3 C
H3C
H3 C
H3C
H3C
O EtEtO OEt
O Et
O Et
O EtO Et
EtO
O SiO
S iOSi
OSi
SiS i
S iSi
CH3
CH3
CH3
H3C
H3 C
H3 C
H3 C
H3 C
OH O H
OHOH
CH3CH3
CH3
CH3
„D4-Diethoxide“ „D4-Silanol“
Carbosilane cross-linkers
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
O SiO
SiOSi
OSi
SiS i
S iSi
CH3
CH3
CH3
H3C
H3C
H3C
H3C
H3C
OEtEtO O Et
OEt
OEtO Et
EtO
O
O SiO
SiOSi
OSi
SiSi
SiSi
CH3
CH3
CH3
H3C
H3C
H3C
H3C
O EtO Et
O Et
O EtO Et
EtO
CH3 O
O SiO
SiOSi
O
Si
SiS i
S iSi
CH3
CH3
CH3
H3C
H3C
H3C
H3C
OEtO Et
O Et
OEt
OEtO Et
EtO
CH3
n
� chemically integrated organic group,� inorganic cross-linking mechanism,� photochemically stable, no hazardous material
Carbosilane cross-linkers
Condensation product from sol-gel precursors
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
• novel uv-stable sol-gel precursors could be synthesized• coatings based on those novel precursors led to
➢ excellent weathering stability➢ high scratch resistancy➢ highly improved solvent and acid resistancy
• potential applications are seen as➢ automotive clear coats➢ hard coats for plastics➢ anti-graffiti coatings➢ biocide free fouling release coatings
Carbosilane cross-linkers - summary
O SiO
SiOSi
O
Si
Si
Si
Si
Si
M e M e
M eM e
M e
M e
M e
M e
OEtEt O
OEtO Et
OEtEt O
O EtEtO
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Polychloroprene dispersions with nanoparticle silica sol
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Adhesive performace similar to solvent-borneadhesives
How can the 1K-properties be further improved ?Development of the Dispercoll® S product linefor compounding with Dispercoll® C
Polychloroprene (CR) dispersionsRapidly growing in areas such as• foam to foam bonding• countertop lamination• insole bonding
Dispercoll® C + Dispercoll® S
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Modification of adhesive raw materials with nanoparticles
Technical requirements for adhesives� easier processibility� better adhesion� options for further formulations� high bonding strength
New application fields for adhesives� replacement of solvent based systems� new chances for CR- and PU-based systems
Health, safety, environment� working place hygiene� environment protection� safety for the user
Modification withnanoscale SiO2
Focus on solvent free technologies
Dispercoll® C + Dispercoll® S
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Production of amorphous nanoscaled silicaMonomer and polymer silicic acid after kation exchange of waterglass
nucleation
5 nm
10 nm
30 nm3d - network Si
OH
OH
O O
sol
particle increase,alkalineparticle condensation
gelation
particle conditioning
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
2SiO
Si
Si
Si
O
O
Na
Na Na
NaOH
OH
OH+
++
( - ) ( - )
( - ) ( - )
+nanoparticle silica sol
� amorphous silica withsurface silanol groups
� alkaline stabilized
� particle size 5-100 nm
Dispercoll® S
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Disp ercollDisp ercoll ®® SS
XP 4020XP 4020
Disp ercollDisp ercoll ®® SS
XP 3030XP 3030
Disp ercollDisp ercoll ®® SS
XP 5005XP 5005
Disp ercollDisp ercoll ®® SS
XP 4510XP 4510Dispercoll® S range of nano-thickeners - available grades
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
250000 : 1
100 nm
Dispercoll S
CR latex particle
TEM micrograph of a Dispercoll® C particle / Dispercoll® S particle dispersion
Dispercoll® C + Dispercoll® S
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Recipe solids (%) pbwDispercoll C 55 100antioxidant 20 2Dispercoll S 50 30metal oxide dispersion 50 4
Dispercoll® S acts as a shear thinning thickener
100
1000
10000
100000
0 100 200 300 400 500Shear rate [1/s]
Visc
osity
[mP
as]
Dispercoll® C + Dispercoll® SRheology
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Dispercoll® S improves the initial peel strength
0
0,2
0,4
0,6
0,8
1
1,2
1,4
0 2 4 6 8 10
Open time after application of adhesive [min.]
[N/m
m]
with resin 1*with resin 2 *with Dispercoll® S
(drying at RT, pressure 4 bar/10 s)
*Terpene-phenole resin
adhesive based onDispercoll® C
Dispercoll C® + Dispercoll® SInitial peel strength (wet bonding) on leather
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Dispercoll® S improves the softening point of Dispercoll® C formulations
66
107
83
0
20
40
60
80
100
120
Dispercoll Ssmaller particles
resin*(Standard)
Tem
per
atu
re [
°C]
*Terpene-phenole resin
Dispercoll® C + Dispercoll® SSoftening point (SBR rubber)
Dispercoll Slarger particles
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Dispercoll® C
OH-functionality: 1-2%
Dispercoll® S
Network
S iO
S iO
S iO
S i
O H O H O HO H
Nanoparticle silica sol
OHCl Cl
Dispercoll® C + Dispercoll® SImprovement of softening point with Dispercoll® C
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Dispercoll® C + Dispercoll® S
Summary
Silica sol improves CR dispersion adhesives• rheology: viscosity regulation• allows short production cycles due to higher initial wet-bonding strength• higher heat resistance and thermal stability of the bonding
(patented by Bayer MaterialScience)
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Bayblend® FR: Eco sets the Market Trend
Unique Market Position: Bayblend® FR combines very safe flameretardancy, excellent mechanical properties and compliancewith the most important eco labels
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Bayblend® FR is made of ...Transmission Electron Micrograph, TEM (sample stained with OsO4)
2µm
Polycarbonate� Heat distortion
temperature� Ductili ty� Inherent flame
resistanceAdditivesAdditives� Teflon for
antidripping� Thermal
stabilizerSAN*SAN*� Good flowability*) Styrene / AcryloNitrile
Copolymer
� Toughness� Chemical
resistance
*) Acrylonitrile ButadieneStyrene Graft copolymer
ABS*ABS*
Organophosphate� Flame retardancy� Flowability
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Nanoparticles in Bayblend® FR
500nm
Transmission Electron Micrograph (TEM) (sample not stained)
Specific inorganic nanoparticlesare highly dispersable and help toimprove...
Specific inorganic nanoparticlesare highly dispersable and help toimprove...
Polycarbonate
ABSABS
Nanoparticles
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
... flame retardancy
Nanoparticles helpNanoparticles help to to catalyze char catalyze char formationformation at at the surface the surface
Decomposition ZoneDecomposition Zone
Char formation
Oxygen
BurningGases
Heat
Smoke
Thermal Feedback
PC-ABSPC-ABS // PhosphatePhosphate // nanoparticlesnanoparticles
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Typical desired characteristics of polymernanocomposites
• mechanical properties• scratch resistance• resistance towards chemicals• flame retardancy• hydrophobicity / hydrophilicity• gas barrier properties / permeation• UV-/ IR absorption properties• ......the original polymer properties, e.g. transparency, should notbe affected by the additional component(s)
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Preparation of polymer nanocomposites:Engineering at the nanoscale
Producer or supplier ofnanoparticles
agglomeratesas powders,eventuallysurfacemodified
well dispersednanoparticles assuspension insolvent,eventuallysurface modified
Polymer producer
Polymer synthesisExpertise incompoundingSystem expertise andmarket knowledge(polymer)
���� Adaptation of particle surfaces, general questions���� Shielding of adhesion forces?���� Deagglomeration of nanoparticles?���� Physical compatibili ty with polymer?���� Bonding behavior with polymer matrix?���� How to suppress reactivity or catalytic activity (including photocatalytic behavior in final composite) of particles towards polymer melt?���� How to avoid agglomeration during modification?���� How to obtain a thermally stable surface modification?
Synthesis Application
Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
• Automotive industry• Films• UV- protection• Displays
•
End product:
• Lacquers• Emulsions• Dispersions• Plastics
• Foils•
Processing:
NANO-MATERIALS
Synthesis:
Summary and ConclusionIncreasing interest in nanotechnology for new and better products withhigher value; polymer nanocomposites important class of materials
Value-added chain of nanomaterials:
• Chemistry• Physics• Analytics• Materials Science• Biology• Computer Science
Know-how:
Possible strategies: i) building up organic/inorganic networks,ii) combining different networks, iii) combining particles and polymers
Technologische Komplexität erfassen und beherrschen Interdisziplinär. Integral. Innovativ.
24.03.2005
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Surfaces and Interfaces - Engineering at the Nanoscale; Frankfurt, 2005-03-09Entwicklung und Anwendung von Polymer-Nanokompositmater ialienDr. Christoph Schild, Bayer Technology Services
Acknowledgements
Dr. Matthias VoetzDr. Arno NennemannDr. Sigurd Buchholz
Dr. Herbert BlankenheimDr. Steffen HofackerDr. Harald PielartzikDr. Martin VollmerDr. Eckard Wenz
Ihr Partner fürProjekte in derchemischen undpharmazeutischenIndustrie
Technologische Komplexität erfassen und beherrschen. Interdisziplinär. Integral. Innovativ.
Kontakt:Dr. Christoph SchildBayer Technology Services GmbHPhysics and Chemistry of InterfacesLeverkusen, Gebäude E 41Tel.: LEV 54010FAX: LEV 50698E-Mail: [email protected]