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Effect of Carbon Black and Silica Fillers in Elastomer Blends Yimin Zhang, S. Ge, B. Tang, T. Koga, M. H. Rafailovich,*, J. C. Sokolov,
 

Summary: Effect of Carbon Black and Silica Fillers in Elastomer Blends
Yimin Zhang, S. Ge, B. Tang, T. Koga, M. H. Rafailovich,*, J. C. Sokolov,
D. G. Peiffer, Z. Li, A. J. Dias, K. O. McElrath, M. Y. Lin, S. K. Satija,
S. G. Urquhart,#,& H. Ade,# and D. Nguyen$
Department of Materials Science and Engineering, State University of New York at Stony Brook,
Stony Brook, New York 11794-2275; ExxonMobil Research and Engineering Company,
Annandale, New Jersey 08801; ExxonMobil Chemical Company, Polymer Science and Butyl
Technology Divisions, Baytown, Texas 77520; Center for Neutron Research, National Institute of
Standards and Technology, Gaithersburg, Maryland 20899; Department of Physics,
North Carolina State University, Raleigh, North Carolina 27695; and Brookhaven National
Laboratory, Upton, New York 11973
Received January 30, 2001
ABSTRACT: The effects of carbon black and pyrogeneous silica fillers on the interfacial properties of a
homopolymer [polybutadiene, (PB)] and a terpolymer [brominated poly(isobutylene-co-p-methylstyrene),
(BIMS)] are reported. Neutron reflectivity (NR) was used to study the interfacial structure. The results
are complemented by scanning transmission X-ray microscopy (STXM) and lateral force microscopy (LFM),
which were used to probe the morphology and surface lateral force. Small-angle neutron scattering (SANS)
was used to characterize the size and surface properties of the filler aggregates in elastomers. Our results
show that the interfacial behavior of PB/BIMS is more sensitive to carbon black than to silica. The
interfacial broadening is significantly slowed down with addition of merely CB ) 0.01 (volume fraction)

  

Source: Ade, Harald W.- Department of Physics, North Carolina State University

 

Collections: Physics